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1845 articles
Proceedings Article

Assessment of Urban Flood Resilience Based on an Innovative PSSR Concept Model

Yang Zhang, Kejian Shang
Urban flooding caused by extreme rainstorms is one of the most prominent and difficult problems to be solved in the expansion of the world's cities. This study draws on the Wuli-Shili-Renli (WSR) methodology, and on the basis of the Pressure-State-Response (PSR) index model, reconstructs the “Shili”...
Proceedings Article

Application of CAD Programs for a Gearing Geometric Model

Samuel Sivák
CAD programs are used in engineering environment on a daily basis, because of their wide use in designing, machining or evaluating process. This fact boosted the development and impact range of CAD software possibilities, but in the field of gears, there may be some shortcomings. These shortcomings are...
Proceedings Article

High Security Adaptive BCH Code Discrete Wavelet Transform Copyright Protection

Irma Safitri, Rizki R. Ginanjar, Yosa Yunawan
In this research, we analyzed the audio watermarking system with combining adaptive wavelet with SVD in various BCH Codes. The host audio signal is embedded with a watermark signal in the form of an image signal accompanied by several attacks on the watermarking system. The results showed that ODG and...
Proceedings Article

Study on Numerical Simulation of Electrochemical Machining Ring Narrow Groove

Mu Ruiyuan, Cao Yan, Jia Feng, Lei Yan
For annular narrow slot structure of electrochemical machining process test cycle is long, type face the problem of difficult to predict, establish mask electrochemical machining process of the electric field, flow field and temperature field coupling mathematical model, using COMSOL Multiphysics to...
Proceedings Article

Experimental Characterization of Magnetite Under Thermal Cycling For Thermocline Energy Storage

Yousra Filali Baba, Ahmed Al Mers, Hamid Ajdad, Yaroslav Grosu, Abdessamad Faik
the present paper investigates the effect of thermal cycling on magnetite thermo physical characteristics particularly density, heat capacity, thermal diffusivity and thermal conductivity. The purpose was to evaluate the stability of the TESM and to emphasize its suitability for thermocline energy storage...
Proceedings Article

Characterization of Thermal Activated Fly Ash Adsorbent by Studying the Effect of Temperature

Aida Syarif, Rusdianasari, M. Yerizam, Sayhirmanyusi
Fly ash is a solid waste resulting from the use of coal as an energy resource. The potential for fly ash presence in Indonesia is considerable with increased coal consumption where the potential availability of coal ash is 10% of total coal consumption, with 80% details being fly ash. The increase in...
Proceedings Article

Research on the Impact of e-commerce Development on Enterprise Digital Transformation: Based on the Intermediary Effect of R&D Investment

Yiqing Yang, Mengyao He, Zhengmao Yang
The integration of internet information technology and e-commerce has led to the digitalization of the production and operation mode of enterprises. In order to explore the impact of e-commerce development on the digital transformation of manufacturing enterprises, this paper takes listed companies of...
Proceedings Article

Conduct data analysis of large-scale marketing for wechat market

Qianmin LI
Using wechat platform to carry on the development and design of data mining, and it is applied to the embedded bus, so that the enterprise marketing activities can get better results. Through the establishment of a large number of marketing data collection and scheduling, through the analysis and analysis...
Proceedings Article

Dispersion and orientation of montmorillonite in Nylon-6

Ilchgerel Dash, Robb Winter, Ulziidelger Byambasuren, Myagmarnaran Tsedenbazar, Batbileg Sanjaa
Incorporation of high aspect ratio nanoparticles can significantly increase mechanical properties such as elastic modulus and tensile strength, and the functionality of the obtained nanocomposites. In this work, organically modified montmorillonite (Closite 30B) is dispersed and simultaneously oriented...
Proceedings Article

Numerical Investigation of the Mechanical Properties of 3D Printed PLA Scaffold

Zainal Abidin, Irfan Ghani Fadhlurrahman, Imam Akbar, Risky Utama Putra, Akbar Teguh Prakoso, M. Zahri Kadir, Astuti Astuti, Ardiyansyah Syahrom, Muhammad Imam Ammarullah, J. Jamari, Hasan Basri
This study aims to determine the dimensional accuracy and porosity of polylactic acid scaffold using 3D printing and the value of the effective elastic modulus. The main contribution of this research is to obtain the most suitable scaffold porosity for use as cancellous bone implants. It was obtained...
Proceedings Article

Meaningfulness of the Stable Range of Factor of Safety for Deep Pits – A Numerical Modelling Assessment

Mahdi Zoorabadi, Mojtaba Mousakhani
Limit Equilibrium (LE) methods have been used as the main tool to assess rock mass failure mechanisms at inter-ramp and overall slope scales in open pit mines. Rock mass shear strength parameters are determined by reducing the intact strength using Geological Strength Index (GSI), Damage factor (D),...
Proceedings Article

Performance Evaluation of Over-Opening of Runner Blade and Vane Blade with the Internal Flow Simulation of Tubular Turbine

Zhibin Cai, Guandong Wu, Yanxun Wu, Bingxing Zhang, Zilong Hu, Qiang Liu, Ran Tao
Tubular turbines have been widely used because of their good hydraulic performance and energy characteristics. During the operation of tubular turbine, the runner blades and guide vanes may be over-opened. This article uses computational fluid dynamics methods to numerically simulate the internal flow...
Proceedings Article

Study of Kana (Canna sp) and Butterfly (Bauhinia purpurea) Plants as Leading Absorbents (Pb)

Sunu Kuntjoro, Fida Rachmadiarti
According to the Environment Project Agency (2007), about 25% of lead (Pb) remains in the engine and the other 75% will pollute the air as exhaust fumes. Kana (Cana sp) and Butterfly plant (Bahuinia purpurea) are plants that are suitable for the needs of urban forest plants. Studies related to the potential...
Proceedings Article

Research on Comprehensive Development Mode and Technical Path of Bus Station

Shumei Sun, Kun Tian, Yiwen Xu, Youke Wang
Under the urban development background of giving priority to the development of public transport, the comprehensive development of bus stations will become an effective means to alleviate traffic congestion, improve land use efficiency and promote urban economic development. However, the current comprehensive...
Proceedings Article

Ford vehicle identification via shallow neural network trained by particle swarm optimization

Jingyuan Yang, Lei Wang, Qiaoyong Jiang
Automatic identification of the car manufacturer is difficult to achieve because of the similarity among the different brands. In this work, we propose a new system of Ford vehicle identification. Firstly, we captured the side view of the car image. Secondly, we employed the wavelet entropy (WE) to extract...
Proceedings Article

The Application of BeiDou Navigation Satellite System in Slope Displacement Monitoring

Wenjia Wu
The stability monitoring of high slope engineering is extremely important. In this paper, BeiDou Navigation Satellite System (BDS) is applied to the displacement monitoring of slope engineering in Dazhou Hospital Area of West China Hospital in Sichuan Province. The installation method of BDS under the...
Proceedings Article

Drying Rate of Skim Milk From Virgin Coconut Oil Remaining Water

Abu Hasan, Indah Purnamasari, Muhammad Yerizam, Robert Junaidi
Coconut tree’s benefits were not only in flesh that can be processed into coconut milk, copra, and coconut oil but also in all part of coconut plants. Coconut oils were produced from dried coconut by extraction. The oil from this process is known as virgin coconut oil (VCO). During the VCO production,...
Proceedings Article

Research on Knowledge Management of Aviation Manufacturing Industry Based on Association Rules

Ai Xin, Du Jiang, Bai Yu, Liu Hang
[Purpose/Meaning] Aim at the two Safeguard measures to strengthen the China's industrial infrastructure capabilities proposed by "Made in China 2025" plan and the real Product development requirements of China's aviation industry, the method to provide high quality and efficient knowledge management...
Proceedings Article

Optimal storage operation with flexible tariff under consideration of sector coupling and renewable energy sources in a new settlement area

Muhammad Tayyab, Ines Hauer, Christian Klabunde, Martin Wolter
Energy storages are important to manage the high amount of electricity generation from renewable energy sources in microgrids. Furthermore, the economic benefits of battery energy storage (BESS) such as self-consumption maximization have proven its feasibility. In the present paper, a settlement area...
Proceedings Article

Design and Performance Analysis of a Latent Heat Storage for the Operation of a High-Temperature Methanol Fuel Cell

Lisa Deinert, Robert Daschner, Andreas Hornung
Due to ever stricter economical and legislative regulations, the efficiency of technical processes has to be constantly increased. Besides many other efficiency enhancing methods, the use of waste heat has a great potential to save energy. In particular, the use of waste heat at temperatures above 373...
Proceedings Article

Copyright Protection High Robustness Arnold Transform Wavelet Method

Bruguiera A. F. Agradriya, Irma Safitri, Ledya Novamizanti, Muhammad Ainul Yaqin
Audio watermarking is a technique of information insertion into an audio signal without altering the significant origin of the audio host. Audio watermarking is usually used to protect the copyright of a work in the form of songs, recording of state and other secrets to avoid irresponsible persons. Audio...
Proceedings Article

Research on Predictive Maintenance Architecture of Experimental Aircraft Based on Digital Twins

Ziyue Liang
With the rapid development of industrial technology and the new generation of information technology, the integration and intelligence of aircraft equipment continue to improve, increasing the probability of experimental aircraft malfunction and functional failures, resulting in a significant increase...
Proceedings Article

Research on the Design Strategy of Assembled Low-energy Housing for Post-disaster Reconstruction in Beijing Rural Areas Based on the Characteristics of Sansheng Space

Ming Fang, Jing Ma, Xiaoxi Liu, Zichen Pan
For the urgent need of rural housing reconstruction in Beijing after the devastation caused by heavy rainfall and flooding, based on an analysis of the area’s basic climatic conditions and considering the spatial characteristics of production, living, and ecological spaces, known as the Sansheng spaces,...
Proceedings Article

Curriculum Implementation in Biology Program of Universitas Negeri Surabaya

Ahmad Bashri, Rinie Pratiwi Puspitawati, Muslimin Ibrahim
This study aims to describe the effectiveness of curriculum implementation in the Biology Program, implementation of curriculum implementation in the Biology Program, and obstacles in implementing the curriculum. This research is an observational study, which observes curriculum documents and their implementation....
Proceedings Article

Separation of Red Palm Oil from Crude Palm Oil Using Ceramic Membrane from Clay and Bentonite

Siti Chodijah, Erwana Dewi, Jaksen M. Amin
Filtration or filtration is a method of separating particles of solid substances from a fluid by passing the fluid through a filter medium; solid substances will be retained. The palm fruit consists of 80% pericarp parts (epicarp and mesokarp) which produce crude palm oil Crude Palm Oil and 20% seeds...
Proceedings Article

A scheduling algorithm for social workflow optimization based on hybrid cloud streaming mechanism

Min Chen
In order to solve the current workflow scheduling problem, a new optimal scheduling algorithm is proposed in this paper, which has the advantages of high cost, poor time convergence, poor cost accounting quality and so on. Then, a self-evolving workflow structure is constructed to integrate the decentralized...
Proceedings Article

Techno-Economic Planning and Exergy Analysis of Large-Scale Hot-Water Tank and Pits

Abdulrahman Dahash, Fabian Ochs, Alice Tosatto
Large-scale seasonal thermal energy storage (STES) substantially facilitates a full exploitation of the local renewable energy sources (e.g. geothermal, solar, waste heat) potential in renewables-based district heating systems in order to mitigate CO2 emissions and the climate change. Large-scale seasonal...
Proceedings Article

The Source and Exploitation of the Program Vulnerability

Li jian, Lou jing, Gao Yang
Vulnerabilities with the C and C ++ language programming are the source of information security incidents. The language is an insecure programming language, which allows an attacker to change the behavior of the running program or completely control it through the vulnerabilities in the program. This...
Proceedings Article

Effect of Sugar, Ammonium Sulfate and Magnesium Sulfate as Supplementary Nutrients in Coconut Water Fermented by Acetobacter xylinum to Produce Biocellulose Membranes

Elina Margaretty, Erwana Dewi, Leila Kalsum, Aisyah Suci Ningsih, Jaksen M. Amin
Biocellulose can be made by fermentation of coconut water by Acetobacter xylinum. Microorganism. Several developed countries have been starting to research the use of biocellulose as a bio-cellulose that is easily broken down in the world of plastics or membranes, such as edible films and biocellulose...
Proceedings Article

Degradation of Methylene Blue Dye Using ZnO/NiFe2O4 Photocatalyst Under Visible Light

Yuniar Yuniar, Tri Mawarni, Poedji Loekitowati Hariani, Muhammad Faizal, Tuty Emilia Agustina
The effective synthesis of ZnO/NiFe2O4 photocatalyst with a co-precipitation technique was used to degrade dyes in the air in this study. XRD, SEM-EDS, and other equipment are used to characterize the crystalline phase, surface morphology, and chemical composition of photocatalysts. The exact peaks of...
Proceedings Article

The Influence of E-Commerce Development on Traditional Retail Industry Under the Background of “Internet Plus”

Fengxian Yang, Limei Zhou
Under the background of ‘internet plus’, the development of e-commerce impacts deeply the traditional retail industry. This paper analyzes the different influences of the e-commerce on different segments of traditional retail industry under the background of internet. Firstly, we analyzes the development...
Proceedings Article

Construction Efficiency Analysis of Ultra-deep Underground Diaphragm Wall in High Altitude Area

Wanting Zhao, Rongsheng Chen, Zhichao Tian
Due to the special geographical location, geological conditions and construction conditions of the project in Tibet, there are often problems in the construction of ultra-deep underground diaphragm wall, which lead to the current preparation regulations, cost standards and supporting quotas can not be...
Proceedings Article

Study on Bearing Capacity Evaluation of Tie Arch Bridge Based on Dynamic and Static Load Test

Ran Xing, Dongguang Han, Liqun Ren, Xiujia Li
Taking the reinforced concrete tie arch bridge with single span 35m as the engineering background, the load test method of bridge-1 (JTG/TJ 21-01-2015). Load test includes static load test and dynamic load test. By applying the test load equivalent to the design load to the bridge structure, grasp the...
Proceedings Article

The Impact of Internet-Using on Household Consumption—An Empirical Study Based on Multiple Linear Regression

Ti Wang, Jie Liu
Purpose-this paper is to study the impact of Internet-using on household consumption expenditure. Methodology-based on the data of Chinese General Social Survey in 2017, this study uses Stata16 software and multiple linear regression to test hypothesis. Findings-the results show that Internet-using significantly...
Proceedings Article

Industry correlation chart model for industry chain feature mining and industry screening for demand side response

Yangyun Guo, Shuyu Xiao, Min Luo, Shangli Zhou, Yuchen Lai
To broaden the exploration of the latent value of industry electricity data and offer a novel perspective for socio-economic development and demand side management, this study proposes an innovative model for industry chain characteristic analysis. Initially, an industry electric energy correlation model...
Proceedings Article

Mathematical Model of Technical System in SimScape

Jozef Jenis, Jozef Ondriga, Patrik Kováčik, Matúš Čuchor, František Brumerčík, Slavomír Hrček
The aim of this paper is to demonstrate the use of MATLAB and Simulink SimScape functions and toolboxes to model and evaluate key properties of an engineering system. In this case, it was a parcel delivery drone. The drone is assembled from four electric motors, propellers, a battery, four structural-bearing...
Proceedings Article

Research on obtaining zeolite from the ash of Erdenet thermal power station

Qian Yu, Tungalagtamir Bold, Enkhtsetseg Erdenee, Byambagar Batdelger, Munkhbaatar Punsantsogvoo
This research work completed the study of obtaining zeolite by hydrothermal method using the ash of Erdenet Thermal Power Plant. According to the results of the study, the ratio of macroelements of ash in the ash pond of Erdenet Thermal Power Plant is less than 1, so it belongs to acid ash. Also, based...
Proceedings Article

Analysis of Rheological Properties of Selective Laser Melting 17-4PH Powder

Yin Simin, Cao Yan, Wang Yuanfei, Zheng Ning
In the selective laser melting process, high mechanical stability, excellent thermal performance and rheological property are required for printable materials, and due to the change of environmental conditions such as external force and temperature rise during the forming process and the using process...
Proceedings Article

Numerical Modelling for Improved Open Pit Optimization

S. J. Jackson
Simple open pit optimization using industry standard approaches (e.g. Whittle or NPV scheduler) provides a range of pit shells for an engineer to evaluate and select an optimal pit, and/or interim push backs to which a mine design can be developed. The first optimization step requires the definition...
Proceedings Article

Carboxylated Multi-walled Carbon Nanotubes/Calcium Alginate Composite for Methylene Blue Removal

Puguh Setyopratomo, Restu Kartiko Widi, Rudy Agustriyanto, Endang Srihari
In this research work, the adsorption of methylene blue (MB) on carboxylated poly-walled nanotubes carbon (PWNC)/calcium alginate composite was studied. The composite was synthesized by the impregnation method. The study was aimed to observe the impact of carbon nanotube dosage on the ability of the...
Proceedings Article

Circular Flange Joints of Pressure Vessel

Jiri Zacal, Lukas Hruzik, Vaclav Mosler
For flange joints of pressure vessels, bolts are most commonly used. Even though they may seem to be only simple mechanical elements, the reality is ever so different. In some fields of engineering practice, these connections must meet particularly high technical requirements. The article discusses the...
Proceedings Article

Extending the UTAUT Model to Understand the Citizens’ Acceptance and Use of Electronic Government in Developing Country: A Structural Equation Modeling Approach

Deden Witarsyah Jacob, Irfan Darmawan
The rapid development of information and communication technologies had a positive impact on the government to provide better and efficient services to the community. Despite some criticisms of electronic government services (e-gov) but so far, its utilization has continued to improve. The citizens need...
Proceedings Article

Optimal sizing and dispatch schedule of battery storage in grid-connected microgrid

Dinna Fitriyana, Thai Hau Vo, Phuong. H. Nguyen, I. G. Kamphuis, Dintani Y. N. Naimah, M. Donny Koerniawan
Battery storage can provide considerable benefits in renewable energy transitions. However, high capital and maintenance costs become the main barriers to its implementation. To overcome the challenges, using the battery storage in multiple applications and incorporating optimization method are proven...
Proceedings Article

Azolla microphylla and Pistia stratiotes as Phytoremediator of Pb (lead)

Fida Rachmadiarti, Herlina Fitrihidajati, Tarzan Purnomo, Yuliani Yuliani, Dwi Asih Wahyuningsih
Azolla microphylla and Pistia stratiotes were type of plants which used as alternative to remove pollutant from contaminated water. This study aimed to determine efficiency of Azolla microphylla and Pistia stratiotes as phytoremediator of Pb. These plants were grown in 14 days under hydroponic system...
Proceedings Article

Numerical Study of the Influence of Fins’ Geometry on the Thermal Performances of a Vertical Shell and Tube Latent Heat Thermal Energy Storage

Teddy Chedid, Erwin Franquet, Jérôme Pouvreau, Pierre Garcia, Jean-Pierre Bédécarrats
This study consists of evaluating the impact of radial-fins’ configurations on natural convection in liquid PCM and on the thermal performances of a vertical shell-and-tube latent heat thermal energy storage system. The design parameters tested are the fin number for a given tube length, the fins’ length...
Proceedings Article

2013 Landslide Failure Mechanism and Back Analysis of Tijuana-Ensenada Scenic Highway

Carlos Chávez, Rafael Soto, J. Eleazar Arreygue
The Tijuana-Ensenada highway crosses the “Salsipuedes Bay”. This zone has been subject to numerous landslides due mainly to geological conditions. The last great landslide occurred on 28 December 2013. The principal causes that triggered the landslide were: the shale weathering, the groundwater, and...
Proceedings Article

Research on the Impact of CSR on Innovation Performance

Empirical Analysis Based on Pharmaceutical Enterprises

Jingyi Ni, Huabing Zhu
Innovation is the foundation of enterprise development. More and more enterprises pay attention to technological innovation, and the impact of CSR on innovation is worth exploring. This paper selects the relevant data of A-share pharmaceutical enterprises from 2016 to 2021 as a sample to explore the...
Proceedings Article

Study on Seismic Performance and Application of L-shaped Concrete-filled Steel Tube Column

Shiqi Jiang
In rural residential housing, there are issues such as limited homestead land area, leading to insufficient actual indoor usable space. Steel tube concrete special-shaped columns have good load-bearing capacity, occupy a small footprint, which can solve the problem of protruding indoor column bases....
Proceedings Article

Comparison of Strategies for Thermal Storage Operation to Increase the Share of Renewable Energy in District Heating Systems

Nicolas Witte-Humperdinck, Christian Thommessen, Florian Nigbur, Jan Scheipers
Combined heat and power (CHP) plants are the main supply source in Germany’s district heating systems (DHS). Usually the generated power is fed into the power grid. Because CHP plants normally come along with thermal storages the heat supply operation is flexible, so that the electricity production can...
Proceedings Article

Diversify House Heating Mode Comparison and Optimization in Northern China

Shudong Zhang, Jingyan Xuan, Han Song, Yan Zhang, Chengri Jin, Dongzhu Yan
The air pollution caused by coal-fired heating in the northern cities is again attracting attention. As a new type of heating mode, electric heating enters people's view. In order to make the public understand the characteristics of electric heating, this paper firstly analyzes the technical scheme of...
Proceedings Article

Effect of Sulfonation Temperature and Time on the Preparation of Methyl Ester Sulfonate Surfactant From Crude Palm Oil (CPO) Based Methyl Ester

Jaksen, Idha Silviyati, Endang Supraptiah, Rima Daniar, Elina Margaretty
Research to study the effect of temperature and sulfonation time on the preparation of Methyl Ester Sulfonate (MES) surfactant using CPO-based Methyl Ester (ME) as raw material has been carried out. The temperature was varied 80 oC, 90 oC and 100 oC; while the observation time is carried out every 1...
Proceedings Article

Syngas Analysis of Lowrank Coal Gasification Downdraft Products with Variations in Air Flow Rate

Aida Syarif, Neli Masnila, Indrayani Indrayani, M. Yerizam, Apriansyah Zulatama, Sarmidi Sarmidi, Mirza Adiwarma
Coal gasification is the process of converting solid into a gas mixture that has fuel value. Coal gasification will produce gas in the form of synthetic gas (syngas) with the main components consisting of carbon monoxide (CO), hydrogen(H2), and (CH4) gas. By converting coal using gasification as a clean...
Proceedings Article

Intelligent Surrounding Rock Grade Identification Combining XGBoost Algorithm and Drilling Parameters of Drill Jumbo

Guoqiang Huang, Chengjin Qin, Feixiang Liu, Ruihong Wu, Jianfeng Tao, Chengliang Liu, Jinjun Liao
Surrounding rock classification represents distinguishing the different grades of surrounding rock according to the hardness and integrity of surrounding rock. Accurately obtaining the surrounding rock grade of drill jumbo working face is not only the basis for selecting the tunnel position and support...
Proceedings Article

Applications of Some Extremal and Variational Problems to the Study of Vibrations in Mechanical Systems

Valeriu Ionica, Mihaela Bogdan, Leonard Marius Ciurezu-Gherghe, Adrian Bogdan, Ionut Geonea
The object of the present study is the mathematical side of extremi-related problems. We have studied certain applications of the variational calculus in the domain of vibrations existing in mechanical systems. The most frequently encountered problem in the matter of vibrations is the one of determining...
Proceedings Article

RMB exchange rate forecasting algorithm and empirical analysis

Ruoxi Gu, Yongqi Du, Shaohua Guo, Zhuofan Zhang, Kaisu Wu
This paper studies the forecasting algorithm of RMB exchange rate. Firstly, the Complete Ensemble Empirical Mode Decomposition with Adaptive Noise algorithm (CEEMDAN) is used to decompose the exchange rate data into several intrinsic mode functions (IMF). Then the correlation coefficients of each IMF...
Proceedings Article

Study on Cathode Design Method for Electrochemical Machining of Turbine Blade

Li Lin, Cao Yan, Jia Feng, Zhi Xiaowei
Electrolytic machining technology is one of the main machining methods of turbine blade, which is the core component of aerospace engine. The standardization and uniformity of the angle between the cathode feed direction and the clamping angle of the workpiece and the normal direction of the workpiece...
Proceedings Article

Characterization of Microorganism Isolated From “Fermege”: The Ruminant Fermented Feed from Water Hyacinth (Eichhornia crassipes)

Isnawati Isnawati, Guntur Trimulyono
The aim of this study was to determine the number of bacteria and fungi in the fermentation process and characterization of these microorganisms. There were several steps in this research including production of fermented feed, isolation of indigenous microorganisms, purification, characterization of...
Proceedings Article

A Multi-product Newsvendor Problem Model Based on Demand Transfer and Mental Accounting in the Context of E-Commerce

Yuan Qiao, Wenhao Yang, Ziyao Sun
With the development of digital economy which multi-product co-management is an essential feature, e-commerce becomes harder to make decisions in the process of management. This paper studies the Multi-Product Newsvendor Problem with demand transfer, budget constraints and mental accounting under demand...
Proceedings Article

Variance Analysis of Negative Impacts of Offshore Construction on Marine Environment

Zhengbin Chen, Huan Wang
With the advancement of technology and social development, China has witnessed a gradual increase in offshore construction activities. However, this has led to the destruction and pollution of the marine environment, resulting in severe disruptions to the survival of marine life. Therefore, this paper...
Proceedings Article

Design and Implementation of Smart Logistics Big Data Management Service Platform

Xianjuan Shang, En Guo, Yuxin Song, Yusen Li
With the overall informatization level of the logistics industry increasing day by day, the logistics data information shows explosive growth. The traditional logistics information management system lacks corresponding processing methods for large-scale, real-time and heterogeneous data information,...
Proceedings Article

Cost-Based Storage of the R-tree Aggregated Values over Flash Memory

Wojciech Macyna, Krzysztof Majcher
The flash memory due to its shock - resistance, power economy and non-volatile nature is considered as a very popular storage device. It is widely used in mobile phones, sensor networks and hand-held devices. What attracts the attention is the data storage in the flash memory. Database vendors try to...
Proceedings Article

Power Quality in Smart Distribution Systems with Electric Battery, Large Loads and PV Generation.

Miguel Muñoz Ortiz, Idar Petersen, Ralf Mikut, Henrik Landsverk, Stig Harald Simonsen
A change in the electricity consumption is taking place, where one of the main reasons is the large increase in Distributed Generation, as photovoltaic (PV) systems and electric batteries in the low voltage (LV) distribution grid. This could translate in specific cases into a situation of increased peak...
Proceedings Article

Study of the Delignification Process of Kelutuk Banana Stem (Pseudostem of Musa Balbisiana) as Raw Material for Bioethanol Production

Erlinawati Erlinawati, Aida Syarif, Irawan Rusnadi
Research on new and renewable energy (EBT) continues to be developed to reduce dependence on fuel oil whose availability continues to decrease. Currently, an alternative energy product that has the opportunity to be developed is bioethanol because it has a high oxygen content so that it burns more completely...
Proceedings Article

Kinetic study of thermal decomposition of Shivee-Ovoo and Tavantolgoi coals

Jargalmaa Soninkhuu, Avid Budeebazar, Purevsuren Barnasan, Shiirav Gandandorj, Ilchgerel Dash, Namkhainorov Jargalsaikhan, Battsetseg Munkhtaivan
The present research work deals with the behavior of the thermal decomposition of the coals from Shivee-Ovoo and Tavantolgoi deposits and the determination of the kinetic parameters of their thermal decomposition. Thermal decomposition experiments were performed at five different heating temperature...
Proceedings Article

Comprehensive Evaluation of International Market Competitiveness Based on ANP-Grey Theory

Yi-Hsin Lin, Yi Zhang
This study is aimed at formulating competitiveness index system for Chinese medium-sized construction enterprises entering overseas international construction markets and evaluate a company’s competitiveness by adopting grey theory. An analytic network process (ANP) method is adopted to establish a set...
Proceedings Article

Effect of Fabrication Parameters and Material Features on Surface Roughness of FDM Build Parts

Xinlong Huang, Zhenhui Shen, Shuanqiang Yang
The part fabricated by fused deposition modeling (FDM) process is influenced by fabrication parameters viz., layer resolution, processing quality, fill mode and the processing material on surface roughness. In this work, effects of fabrication parameters are investigated experimentally. The test specimen...
Proceedings Article

Development of an Industrial Heat Storage Using High-Temperature PCM-Graphite Composites

Herbert Zondag, Gertjan Herder, Michel van der Pal, Simon Smeding, Gerard Elzinga, Robert de Boer
A material development study is carried out on high-temperature PCMs with graphite. D-Mannitol and adipic acid are tested as high temperature PCM materials for application in industrial steam systems. The study concludes that adipic acid is easier to use because of better chemical stability and much...
Proceedings Article

Practical Learning Based on Virtual Reality Methods as a Solution to Increase Evaluation Level 1 Results in Practical learning at PT PLN (Persero) UPDL Palembang

Fajrie Agus Dwino Putra, Supli Efendi Rahim, Zulhipni Reno Saputra.
During the Covid 19 pandemic, all learning cannot be carried out face-to-face, especially with learning that requires a practicum. Based on these problems, the authors researched the form of research and development based on quantitative research methods. Practical learning based on the virtual reality...
Proceedings Article

Regional-Scale Landslide Hazard Analysis in Sensitive Clays Using an Integrated Approach

Ali Saeidi, Blanche Richer, Rama Vara Prasad Chavali, Maxime Boivin, Alain Rouleau
The Saguenay region in Quebec is largely covered by sensitive marine clays that are highly susceptible to large retrogressive landslides. This work addresses the development of a methodology to forecast slope failure and zonation of landslides in sensitive clays. This is demonstrated by applying an integrated...
Proceedings Article

Research on vibration comfort of steel structure pedestrian bridges in slow moving systems

Zhenwei Xiong, Yongping Zhang, Changgen Wu, Shougui Zhang, Genqin Li
The current urban life needs a public, very attractive, leisure and entertainment space that can enjoy ecological services. Based on the above requirements, the slow traffic system bridge plays a role of “stringing beads into a chain” in the ecological park around the city. Its design complexity and...
Proceedings Article

Research on Water Environment Improvement in Urban Rivers and Lakes Connected Areas——Taking “Shanghai Fish” Lake as an Example

Hongkuan Liu
In order to clarify the spatiotemporal variation patterns of water quality in urban river lake connected areas and improve the regional water environment, this research takes “Shanghai Fish” Lake and its surrounding backbone river network as the research objects. One-dimensional and two-dimensional hydrodynamic...
Proceedings Article

Improving the Quality of Goat Sperm through the Implementation of Fermented Feed based on Water Hyacinth: Fermege Formula 3

Evie Ratnasari, Herlina Fitrihidajati, Isnawati Isnawati
Fermented feed made from water hyacinth contain high nutrition, increase goat weight, improve carcass quality and improve the reproduction system of goats. The aims of this study were determining the effect of fermege formula 3 on the quality of goat spermatozoa was compared to conventional feed. This...
Proceedings Article

Delignification and Characterization of Fiber from Durian Peel Waste

Emma Savitri, Prayogo Widyastoto Waluyo, Leonardus Edward Layantara, Nathasya Fabiola Rusly
The limited availability of natural fiber sources makes durian peel waste an alternative source of natural fiber. The characteristic of durian peel waste, which is mechanically strength, has the potential to be developed. During the durian season, the amount of durian consumption by the community increases...
Proceedings Article

A Study of Dual-Channel Supply Chain Promotion Strategies

Xia Zhang, Ying Wang
With the development of e-commerce, the e-promotion and dual-channel supply chains has become a common phenomenon in society. And the promotional strategies of dual-channel supply chain members have become a popular studying topic. In this paper, a Nash equilibrium model is used to investigate the optimal...
Proceedings Article

Research on Fire Fighting Scheme of Indoor Fire Fighting Robot Based on Multi-sensor

Tian Junwei, Ding Ruimin, Li Jintao, Zhang Yanling
How to find the fire source point is the key technical point of the indoor fire-fighting robot in the operation process. The proposed low-cost comprehensive detection fire source solution using multi-sensor and surveillance camera photo recognition can successfully solve the problem that the fire-fighting...
Proceedings Article

The Warm Blanket of Geotechnical Databases and the Reality of Rock Mechanics

Julian Watson, Antonio Verduzco Mendez, Patricia Robertson
The limited success of simplified slope stability assessment tools and concerns related to slope performance resulted in a review of an open pit mine located in South Western United States. 3D numerical was used to assess the LOM design which led to improved slope stability, while maintaining key safety...
Proceedings Article

Face Recognition Using Local Binary Pattern (LBP) and Local Enhancement (LE) Methods At Night Period

Abdurrahman Fi Zhilali'l, Muhammad Nasrun, Casi Setianingsih
Face recognition is a technique that is widely used in the field of identification of a person or in the field of security. This technique basically determine the similarity on each face of a person who will be identified with the face already stored in a storage (database). In this paper the facial...
Proceedings Article

Oil Palm Empty Bunches as an Alternative Raw Material for Making Bioplastics

A Husaini, M Zaman, S Chodijah, Hilwatullisan, Ibrahim
The purpose of this research is to obtain bioplastics that are biodegradable and safe if disposed of in the environment. This bioplastic is made using Empty Bunches and white rice and plasticizer. White rice flour as a source of starch with variations in the addition of chitosan additives and glycerol...
Proceedings Article

Model simulation of reconstructed fiber yarns

Josef Vosáhlo
These abstract deals with fiber yarn model simulation, a technique used to optimize realistic simulations associated with the fiber manufacturing process. Filament yarn is produced using a complex process that involves spinning the fibers into a single thick and continuous strip called yarn. The objective...
Proceedings Article

Consecutive Operation of a Rock Bed Thermal Energy Storage - CFD Analysis

Yousif Muhammad, Kai Knobloch, Henrik Lund Frandsen, Kurt Engelbrecht
High temperature thermal energy storage units can provide the flexibility required, by storing the excess energy in the form of heat and suppling it back either into the electric grid or as heat to any energy intense industrial process. DTU Energy has constructed a vertical flow high temperature thermal...
Proceedings Article

Analysis of the Ways to Create Intrinsic Safe Enterprises

Yajing Bi, Yi He, Qi Wang
Intrinsic safety is the inherent safety feature of an integrated enterprise system. The realization of the intrinsic safety of an enterprise depends not only on improving the safety level of “equipment” and “environment” through science and technology, but also on improving the safety quality of the...
Proceedings Article

Hydrolysis Reaction Kinetics of Baggasse and Banana Peel in the Process of Bioethanol Production

Indah Purnamasari, Endang Supraptiah, Rima Daniar, Cindi Ramayanti, Tri Lestari, Eti Nurmahdani
The alternative biofuel that is inexpensive in terms of production and environmentally friendly is the development of bioethanol from agricultural wastes (biomass) which contains a lot of lignocellulose such as bagasse (solid waste from the sugar industry) and banana peel (waste from markets). One of...
Proceedings Article

Research on Mix Design and Impermeability Test of Fully Recycled Concrete Based on Building Materials

Yun Xiao, Meng Zhang, Qi Liu, Wenjing Guan, Jinyan Li, Mingming Dai
Reclaimed concrete may successfully accomplish concrete recycling, cut down on resource waste, and advance environmental and green development. This work studies the impermeability performance of totally recycled coarse aggregate concrete by designing the mix ratio using the coarse aggregate found in...
Proceedings Article

Applications of a Clamping Joint in a Rail Vehicle Design

Lukáš Hruzík, Jiří Struž, Jiří Začal, Květoslav Kaláb
This paper deals with design problematics of a clamping joint for the tanker frame in a rail vehicle. This car body is made from aluminum alloy. The main requirement of the joint is safe transmission the load given by the norm ČSN EN 12 663-1. At the beginning of the study is make the analysis of friction...
Proceedings Article

The Optimal Contract for Land Trusteeship

Cuiling Li, Qiuling Hou
Land trusteeship, as a new management mode to realize large-scale and intensive land management, has been paid more and more attention by the government and scholars. This paper develops a model to study the optimal contract of land trusteeship via principal-agent theory which is based on Tirole's...
Proceedings Article

Improving the Quality of Tofu Liquid waste by the Sedimentation Process and the Phytoremediation of Water Hyacinth (Eichornia crassipes)

Herlina Fitrihidajati, Fida Rachmadiarti, Dwi Savitri Vidyawati
Waste from the tofu industry produced the pollutant like NH3, NO2, NO3 with high content that caused environmental pollution. Hence, the processing of tofu liquid waste was needed. The purpose of this research was to determine the effect on the levels of pH, NH3, NO2, NO3 and to determine the biomass...
Proceedings Article

Making Herbal Tea from a Mixture of Butterfly Pea Flower (Clitoria Ternatea) and Ginger Powder (Zingiber Officinale) by using Drying Method According to Indonesian National Standards (SNI)

Sofiah Sofiah, Arizal Aswan, Isnandar Yunanto, Cindi Ramayanti, Putri Desty Amelia, Aliyah Nahda Utami
Herbal tea is a term for herb flowers, leaves, seeds, roots or dried fruit that is not derived from the tea plant (Camellia sinensis). One of the plants that can be used as herbal teas are butterfly pea (Clitoria ternatea) and ginger (Zingiber officinale). Butterfly pea is known traditionally as an eye...
Proceedings Article

Probability of Correct Decision–Making at Triggering of Load–Shifting, Intended for Low CO2 Intensity and Low EEX Trading Prices via Simple Grid Frequency Monitoring

Stefan Krauter, Lin Zhang
To provide a simple control signal to operate residential Load–Shifting or Demand–Side–Management, the monitoring of actual grid frequency seems to be an appropriate method. Due to the present inflexibility and the lack of sufficient throttling capabilities of residual lignite and nuclear power plants,...
Proceedings Article

Structure-Related Non-uniformities in Composite Bars Made of Hybrid Dammar-Based Resin and Reinforced with Natural Fiber Fabrics

Alexandru Bolcu, Sabin Rizescu, Nicolae Dumitru
The paper presents the factors characterizing the non-uniformities that might occur during the technological process of making composite materials. These factors were analyzed in cases of two types of composite materials made of hybrid Dammar-base resin and reinforced with hemp and linen fabric, respectively....
Proceedings Article

Study on the influence of Peripheral Hole Interpolation Angle on Tunnel Overcut and Undercut

Jun Wang
The parameters that control the smooth blasting effect of tunnel driving include peripheral hole spacing, charge structure and external interpolation Angle, among which the peripheral hole external interpolation Angle is an important parameter to ensure the quality of smooth blasting. This paper uses...
Proceedings Article

Analysis of the influence of the universality of aviation equipment parts on the probability of spare parts support and equipment availability

Wang Junke, Jiang Tiejun, Li Zheng, Chen Bing
To study the impact of universal parts on spare parts support probability and equipment availability, first, the calculation method of spare parts support probability is given. According to the difference in equipment and spare parts number, the change of spare parts support probability is mathematically...
Proceedings Article

The Frame Structure of Underwater Robot for Shallow Water

Zhang Yunhui, Sun Lina, Qiao Lu, Feng Qiang
In order to monitor and detect the turbid water in the shallow water channel, this paper designs a frame underwater robot. In this paper, according to the depth of diving and the thrust of the size of the frame, shell, underwater light detection, propeller and battery compartment structure distribution...
Proceedings Article

The Effect of the Catalyst (NaOH) on the Processing of Waste Used Oil Into Liquid Fuel

Azharuddin, Syafei, Didi Suryana, HB Indra, M R Rahmaddy, Y Pratomo, M A Ariasya
The use of lubricating oil is increasing every year the resulting waste is also increase. Based on the waste criteria issued by the Ministry of Environment, used oil is included in the category of B3 waste. Although used oil can still be used, if not managed properly, it can be dangerous for the environment....
Proceedings Article

Research on the Importance of Corporate Social Responsibility in the Digital Economy Based on Intelligent Consumer Behavior Algorithm

Ruibo Zhao
This research brings up an adapted consumer utility model based on marginal utility to describe the relationship between corporate social responsibility (CSR) and corporate development in the age of digital economy. It then conducts verification based on the controversial gambling industry in Macau....
Proceedings Article

Research of Vulnerability Security Detection for Video Surveillance Equipment

Pang Tianyu, Chen Rui, Shen Quanjiang
Abstract—Aiming at various security vulnerabilities in video surveillance system, the paper proposes a vulnerability security detection method for video surveillance equipment. The method scans the TCP / IP different ports services of the target video equipment remotely, records the response content...
Proceedings Article

Slope Stability Analysis for Optimisation of Overburden Dump Capacity in Opencast Coal Mines

Sravan Kumar Gara, Nirbhay Narayan Singh, Randip Singh, K. S. Rao
Slope stability study of Over Burden (OB) dump needs to be carried out for maintaining them at the steepest possible angle without any danger from the stability point of view. One of the most important input parameters for stability analysis is the shear strength i.e., cohesion and angle of internal...
Proceedings Article

Live E-Commerce Multi-entity Value Co-creation Behavior: A Consumer Engagement Motivation Perspective

Yu-miao Chang, Ying Zhu, Hui Li
Consumers, anchors, platforms, manufacturers, and other multi-type subjects constitute the value co-creators of e-commerce live streaming. The virtual presence and real-time interaction between multiple subjects and consumers through the live e-commerce scene directly convert traffic into sales and become...
Proceedings Article

The phonon dispersion of graphene

Myagmarsuren Genden, Amartaivan Tsenddavaa, Gantulga Tsedendorj, Enkhtor Lkahmsuren
In frame of De Launay model we calculated phonon dispersion of graphene in ГM direction using radial and tangential force constants for first four neighbor atoms. Calculated phonon dispersion is in satisfactory agreement with experimental phonon spectra of graphite. In long wave approximation we estimated...
Proceedings Article

Development of Project Document Management System Based on Data Governance With DAMA International Framework

Hanung Nindito Prasetyo, Regina Nathania Djepapu, Ferra Arik Tridalestari, Irman Hariman
Information will continue to grow in an organization, Various forms of information formed such as file documents, archives, policies, procedures, and so forth. In the current era of information technology, document management becomes an absolute thing for the organization. All business processes, activities...
Proceedings Article

Batteries and pumped-hydro: Pooling for synergies in the frequency response provisioning

Louis Bahner, Achim Schreider, Ralf Bucher
Battery electric storage systems (BESS) are characterised by their fast ramping, pumped-storage plants (PSP) by their relatively larger storage capacity. In this paper the pooling of PSP (with ternary set) and BESS for the common provision of frequency containment reserve (FCR, primary reserve) is analysed....