Advances in Engineering Research

The article analyzes the integral component-wise estimation using a system of balanced indexes as one of the effective estimation methods for the tourist and recreational territory potential. This method implicates the following of a certain algorithm of the study, which includes a number of evaluation...

AAC slab is a component of precast floor slabs commonly used in buildings. As a new product, the performance of AAC must be examined to ensure that its slabs meet the requirements of the applicable standards. Those requirements are reviewed in terms of strength and stiffness. This research was conducted...

To address the prevalent inaccuracies in arch rib alignment and the illogical outcomes of cable forces encountered during the cable-stayed buckle suspension construction of long-span steel box arch bridges, we introduce a novel multi-scale optimization method for determining the cable forces in a 570-m-span...

Hydrilla verticillata is an aquatic plant that contains various secondary metabolites, such as triterpenoids and steroids. Several steroid compounds contained in Hydrilla verticillata are β-sitosterol, stigmasterol, fucosterol, campesterol, and cholesterol. Steroid compounds have the potential as candidates...

As the integration process nodes enter the nanoscale, traditional planar transistors face physical limitations due to issues such as short-channel effects and surge leakage currents. This paper systematically analyzes advanced semiconductor device technologies, including Fully Depleted Silicon-On-Insulator...

Bamboo is a natural material with excellent mechanical properties and environmental benefits. It is susceptible to longitudinal splitting, which can be attributed primarily to its shear behavior parallel to the fibers. However, there is a lack of statistical assessment of the shear stre3ngth. In this...

With the continuous growth of urban population and rapid economic development, urban renewal has become a solution to many challenges such as outdated urban infrastructure, environmental pollution, and traffic congestion. This article discusses traffic management and control under the background of urban...

Accessing accurate and comprehensive food calorie and nutrition data remains a challenge, as existing references are often incomplete, outdated, or difficult to access. This limitation reduces the effectiveness of daily dietary monitoring for both individuals and healthcare professionals. This study...

Computational thinking skills (CTS) are needed for pre-service science teachers as a provision in organizing 21st-century learning. This research focused on developing a Scratch programming learning model by means of a team-based project to train science teacher candidate CTS. Development was carried...

Separation of cobalt and nickel from sulfate solutions was studied, using the sodium hypochlorite solution as the oxidant of Co2+. The cobalt removal rate reached 98% while Ni2+ was hardly oxidized at 80 C, 1h, pH 2.3 and Co2+/ClO- molar ratio of 1:15. Solution pH and the amount of ClO- had more significant...

The estimation of annual average earthquake losses in life long period for simple multi-story isolated-based reinforced concrete (RC) frames based stochastic method models is the focus of the article. An innovative seismic fragility methodology is firstly adopted for seismic loss estimation, that damage...

Successive deposition of uniform metal droplet is a new kind of 3D printing and rapid prototyping (RP) technology. Broad interests have been aroused in the deposition of metal droplets due to its potential application in microstructures fabrication. In this paper, the 3D models based on a volume of fluid...

A secure and efficient routing protocol for heterogeneous wireless sensor networks is proposed to deal with some issues in the LEACH arithmetic. The wireless sensor networks have some sensor nodes that have greater power and transmission capability than other nodes have. Both ordinary nodes and heterogeneous...

he texturization of monocrystalline silicon wafers using a mixture of potassium hydroxide and isopropyl alcohol solutions has been investigated. The texture morphology and pyramid size are affected by the KOH concentration, the temperature and the time together. The surface reflectance and the surface...

In order to change the shortcoming of bonding steel plate method, which can’t improve the stress state of the original structure, this paper analyzed the causes of diseases of the composite box girder bridge at Yancheng east interchange bridge, compared and analyzed the difference between the bonding...

Relatively efficient and precise quantum molecular dynamics simulations were performed to gain fundamental insights into the mechanisms for the primary detonation process of water under shock wave loading using self-consistent charge density-functional tight binding (SCC-DFTB) calculations combined with...

The hydraulic parameters are important for the numerical computation in which hydraulic conductivity is one of the most frequent. The horizontal component of hydraulic conductivity could be obtained with field trial. And the vertical component is usually computed with the horizontal one by dividing a...

The topic of this paper, ecosystem services, is an issue which is on the frontier of interdisciplinary research involving economics and ecology, and also ranks very high on the applied decision-making. This paper reviews the relationship between ecosystem services and ecosystem, ecosystem services and...

Deformation of the outer plate of the car side is very complicated in the forming process. It is difficult to grasp the deformation law and more quality problems. Based on the on-the-spot debugging, the mechanism of the wrinkling problem in the drawing process is analyzed by introducing the forming process...

Nowadays, NOx emission was taken more and more seriously, Emission standard of air pollutants for thermal power plants was enacted newly by Chinese State Environmental Protection Department which is considered to be the strictest NOx emission standard up to now, but similar to other NOx controlling regulations...

Boronizing of steel surface leads to the formation of two phases (FeB, Fe2B). FeB phase has high brittleness due to its high hardness. Thus, the traditional boronizing cannot be applied for tools and machine parts, working in conditions of dynamic loads, but the new method of electron- beam heating in...

In previous studies about cloud computing scheduling algorithm, people usually ignore impact of data transmission between tasks, but data locality and data transmission have a great influence on the data-intensive task, especially for scientific workflow scheduling. This thesis explains importance of...

The Polyvinyl-chloride (PVC) composites filled with micro-Calcium Carbonate (CaCO3), submicro-CaCO3, nano-CaCO3 and nano-coating micron CaCO3 powder were prepared by the method of melt blending process. The tensile properties of the PVC/CaCO3 composites were tested at the room temperature. The interfacial...

A shaking table test of a full-scaled semi-rigid composite beam frame has been carried out to study the dynamic characteristics and the failure mode, the aim of the research is to provide a theory basis for the design of the composite frames. The analysis was concentrated on the dynamic characteristics,...

Difference equation is a kind of important tool to study the rule of natural phenomena. In this paper, we discuss several specific solutions of a class of second order difference equation with boundary conditions.

This paper studies the frequency synthesis for precision time protocol clock generation circuit, and more particularly focused on a multi-rate phase locked loop structure for generating an output signal at a desired frequency with reduced jitter towards the magnitude of femtosecond. We proposed a unique...

The safety signs are widely used in safety management and daily life, which is applied to instruct and manage people, safety behavior. In this paper, the author use the questionnaire survey to research the comprehension of safety signs in the workplace among managers and front-line employee in machining...

Hydraulic maintenance vehicle for aviation is a critical ground device to ensure the flight safety and the provision of hydraulic oil. A novel multi-functional vehicle for aerial hydraulic maintenance is designed for proposing a maintenance approach for modern aircraft. Aiming at issues of existing ground...

A reliability analysis method is proposed to evaluate the stability state of the earth-rock aggregate slope which consists of rock blocks and soft soil. In order to describe the heterogeneity and discontinuity of the slope of this kind, uncertainty of the strength and spatial variation of the strength...

To solve the problem of evidence conflict when using D-S theory in multi-source information fusion, This paper in-depth analyzed the principle of Dempster’s rule and discussed its limitations and amendatory measures, Based on this, aiming at the air target recognition, a general method was proposed in...

The physical process of interaction of the working member of the brush cutter with trees located on the path of the machine movement is considered. In the development of existing ideas set out in the textbooks, the method for calculating brush cutters with a passive working body is refined, based on...

Keeping swans in captivity leads to changes in their microbal background. The study of mucous membranes of larynx and cloaca as well as bedding and pool water aiming at investigation of composition of both residential and pathogenic microflora in swans was carried out. For this purpose cultural-biochemical,...

This paper proposes a new method of image enhancement. Firstly, the image is sharpened by Laplace operator, and then the low frequency part of the image is removed by non-sharpening filtering, the high frequency part of the image is retained which will obtain a high pass image. At last the high filtering...

Hydrothermal Spallation Drilling (HSD) is a relatively new method suitable for drilling through hard and brittle rocks usually encountered in deep wells and more commonly in geothermal well drilling. Up to 70% of the cost of a geothermal energy project is spent on drilling since today almost all deep...

Java Island is an area with hydrological disasters, especially landslides, which are classified as frequent. The landslide occurred because Java, especially West Java, has an extensive watery area of the entire region and has a high rainfall intensity. Geographical conditions that are dominated by basins...

Data on the number of motorbikes theft cases each year is quite high, this is related to the number of parties involved in the stolen vehicle business. To ensure the safety of motorbikes, the following research offers a module design that doubles as a hand brake and a fuel cut-off relay. The module works...

Grain grinder technology is very influential in determining the quality of rice produced. To support this potential, various things are taken, one of them is by increasing rice farmers to process their harvests independently in households. This thing must be encouraged so that we can process agricultural...

With increasing socioeconomic trends, frozen food is becoming more popular, making packaging crucial for attracting consumer interest. Brands like Cedea face the challenge of improving packaging designs to stay competitive. This study combines Kansei Engineering with the Term Frequency-Inverse Document...

Rapid urban expansion, poor waste management practices, and a reliance on coal-based energy sources have contributed significantly to soil pollution in Mongolia’s urban ger districts. This study investigates the environmental risks posed by ash disposal from household coal burning in the Nalaikh district...

The growing population of the world is increasing tension of our agriculture system. The Tension is forcing us to provide more and more food. But the resources are becoming fearful. Urbanisation is growing so fast that the land worth growing crop is being occupied by the cities and water problem is becoming...

The term ‘primary construction material’ refers to soil. Most of the time, it shows poor engineering qualities. In this regard, numerous researchers are conducting numerous experiments to advance novel concepts and consequently recommend new approaches to enhance soil qualities. Many studies are still...

With the vigorous development of the Internet, more and more people use the network, the computer network to provide convenience, bring benefits, but also make the human face a huge challenge of information security. In the form of the development of modern information technology, a safe network system...

Wi-Fi is a combination of the computer network and wireless communication technology. It uses wireless channel to access networks. With its characteristics of high speed,flexible,easy to manage and extension,etc,it has quickly become one of the most effective way of broadband access. But it was also...

Polycrystalline samples Li0.35Zn0.3Fe2.35-xGdxO4 (x=0,0.02,0.04,0.06,0.08,0.10) were prepared by sol-gel auto-combustion method.The XRD analysis shows that the samples are cubic spinel ferrite, the lattice parameter increased and the average grain size decreased with Gd3+ ions concentration increasing.The...

This paper presents a distributed clustering algorithm for large data sets. The algorithm is based on the traditional K-means algorithm to make reasonable improvements, make it more suitable for distributed environment, and analysis algorithm from complexity to compare the algorithm with the traditional...

In order to solve a series of problems caused by disabled clay brick, studied on the new wall materials which applicable to North China, combined with local resource of Shijiatong village, the autoclaved sand-lime brick was selected as the demonstration area of new wall materials. Summarized autoclaved...

Acetate fiber has many advantages, such as soft silk feel, after dyed bright color, beautiful, weather resistant, good drapability etc. In recent years, acetate fiber has become one of the man-made fiber industry developed rapidly. The deeply researches on the preparation of modified acetate fiber and...

Based on investigation data on Pb in surface and bottom waters in Jiaozhou Bay, eastern China in 1985, we analyzed the spatial and seasonal variations Pb in waters, and defined the seasonal distribution, horizontal distribution, variation range, vertical variation, vertical transfer process and high...

To analyze the factors influencing online shopping intention for fresh agricultural products, this paper constructs a research model based on UTAUT2. Data obtained from questionnaires are processed using structural equation model. The results show that performance expectancy, effort expectancy, hedonic...

In previous research, the drought evaluation index did not consider the influence of groundwater resources. This study select the standard water resources index (SWRI), and put the impacts of surface water resources, soil water resources and groundwater resources together into SWRI. A regional drought...

To observe effect of cortex lycii radicis ethanol-extract on the hypoglycemic and hypolipidemic in T2DM rats. T2DM rat modelinduced by intravenous injection small dose of streptozotocin (STZ) and feeding high fat-high glucose diet .The rats were randomly divided into blank control group, model control...

The FPGA technology becomes an electronic engineering gradually, which controls the field where technology is often use. In order to satisfy the requirement of employment, a lot of colleges and universities has provided FPGA course. But due to the different professions of each school, employment directions...

The Supervision for buildings plays the very important role in the period of construction and is closely linked with the life and property. In order to improve the management level of the supervision departments and offer better communication between the supervision departments and the construction side,...

This paper studied room temperature and in-situ high temperature Raman spectra of coal samples of different carbon content with 355 nm laser Raman spectrometer. The deconvoluted parameters of D band and G band were analysed. The relationship between different carbon content and the Raman spectra characteristics...

Bangka Island has significant potential for development of its local industries through harnessing solar power.. Improved availability of a locally generated and cost-efficient energy source is much needed to boost the local economy. Electricity use and access to fuel drives the main, local industry...

This paper analyzes the current situation of non-contact measurement at home and abroad, a profound understanding of the importance of data synchronous of non-contact measuring machine. Then, design three types of data synchronization experiment, and set up verification environments respectively to analyze...

FLUENT was used to analyze how the shapes of nanopaper affect the temperature distribution, the changes of the temperature with time and the heating rate during heating. The obtained temperature distribution maps shows that high temperature region appear in the vicinity of the nanopaper. The curve of...

The mine drainage system is the key equipment in the early stage of mine drainage rescue. The hydraulic submersible gate valve controls the opening and closing of the drainage system, which is an important part of the mine drainage system. At present, there are few researches on hydraulic system performance...

The influence of the special modification of epoxy resins and polymer composites based on them on the basic properties of the composition is investigated. Modification is perform in order to reduce the damage during machining holes. The dependence of thermal effects of processes depending on the degree...

A context-related permission model is proposed for the few control over the permission use of the Android permission mechanism. Also extend the Android system to implement a context-related permission executing system based on the context-related permission model. By enhancing the Android permission...

There is a big amount of overlap among the data of thermal system, which will seriously affect the accuracy and precision of the model. In order to improve the value density of big data of thermal system and improve the quality and efficiency of modeling, pretreatment and analysis have to be made. Aimed...

In this study, we investigate the classification problem of heart disease with incomplete datasets. Our pragmatic approach is to exploit the potential of complete data for selecting relevant features in incomplete datasets. We define our approach by implementing fuzzy-based particle swarm optimization...

Based on the regression analysis for 1918 seismic records, ductility demand probabilistic relationship with given earthquake intensity is formulated, and corresponding Bayesian network is established. With the given observation of earthquake intensity, the ductility demand posterior distribution is updated...

A quasi-dynamic method is proposed to evaluate the characteristics of ball bearings including pressure distribution over the contact area between the ball and the raceway; sliding velocity distribution and lubrication parameters. Based on the Archard wear equation, the permissible wear extent is confirmed,...

In this study, optical microscope (OM), tensile test, X-ray diffraction(XRD) method were used to investigate the effect of hot rolling parameters on texture and tensile properties of X65MO offshore pipeline steel. Result of microstructure observation reveals that the anisotropy of mechanical properties...

Objective: the use of ozone to prevent and control the disease and insect pests of vegetables has made some achievements in birth, but its mechanism is not clear. By spraying ozone water in this paper, from the point of plant physiology, the effects of ozone water spraying on the physiological and yield...

This study performs a review of the adsorptive removal of volatile organic compounds such as benzene, toluene, ethylbenzene and xylene (BTEX) from various industrial wastewaters. The literature has been reviewed in accordance with a variety of adsorbents that have been applied in BTEX removal based on...

The need for reliable and efficient clean water services in Banda Aceh City has prompted the implementation of Smart Water Management at the Regional Water Company (Perumdam) Tirta Daroy. However, the implementation of this concept still faces a number of challenges, including resistance to change, budget...

The seepage action leads to a significant loss of fine particles in soil-rock mixtures, which is the primary reason for the seepage failure of hydraulic structures. Existing research mainly focuses on the comprehensive effects of varying fine particle content and confining pressure on the seepage characteristics...

The University Course Timetabling Problem (UCTP) is rated as the main enemy by the University. UCTP aims to allocate academic courses to lecturers, the division of time, and classrooms that must carry out regularly. So that learning activities run well and smoothly until achieving an increase in the...

The GoCI is committed to supplying reliable potable water to all properties connected to the water network by 2015. The benefits of a reticulated and treated water supply with storage are that the public health is improved, especially for the young, elderly and those with a medical condition, there is...

Air quenched steel slag is much more difficult to utilize than other kinds of steel slag. 50 % percent of air quenched steel slag was used to prepare brown decorative ceramics. Due to the broken (SiO4)n glass network, the optimum sintering temperature decreases with increasing Na2O and MgO, respectively....

We study the content of Phosphorus, spatial distribution, influencing factors and the ecotoxicity in the sediment of the Bohai Sea and its adjacent area the north Yellow Sea .The results indicate that the content of total phosphorus in the study area ranges from 0.2962mg/g to 0.5422mg/g, and its spatial...

The effect of drying temperature on sensory and flavor of dehydrated mint was evaluated. The color and appearance of the dehydrated mint were affected by the drying temperature. A lower temperature, such as 55 and 65 oC, preserved the greenness and avoided the browning of the dehydrated mint. The flavor...

This paper introduced the concept, the classification and the control principal of network behaviors, discussed the concept, composition and structure, and the behavior control of the controlled network system, then proposed the detection and control model of abnormal behavior in controlled network system....

A nonlinear and parallel fluid code is developed to solve the full space-time domain coupled two-fluid plasma and Maxwell equations and is used to investigate the parametric decay instabilities (PDIs) of the inhomogeneous plasma. Under the laser plasma parameters of nuclear fusion, the threshold power...

Taking the threaded hole in the virtual model as research object, According to the calibration method of absolute value reduction method, Based on fuzzy relationship matrix and fuzzy relationship matrix auto operation, make it meet the transitivity. According to the calculation results, the clustering...

Because of the strong energy of Rayleigh wave, high signal to noise ratio and high efficiency, as a new type of engineering geophysical exploration methods, Rayleigh wave exploration get more and more attention in recent years.And because of the in-homogeneity of the earth's surface medium, the Rayleigh...

Aimed to solve current collision problems between car head and truck rear, collision simulation of a novel type multistage rear protector is achieved, structure has been designed and optimized before. Based on conservation of energy theorem and regulations of dynamic collision test, dynamic explicit...

With the wide usage of electronic devices, harmonic wave is becoming worse. A method of Phase-Shifting Control of Double Pulse (PSCDP) is introduced in this paper. In continuous conduction mode, mathematical model between harmonic and phase-shifting is built, FFT is used to evaluate the harmonic content...

To study a self-propelled cable-controlled vehicle’s movement, operation and control, the function of its cable’s towrope resistance is needed. Through calculating towrope resistances of the vehicle under different cable release lengths, the functional relation between the vehicle’s movement location...

For components that work at high temperatures, the final failure of the components is caused by the complex conditions. Most of the existing life prediction models are based on the failure of the material to withstand creep damage, fatigue damage, and the interaction between the two. In fact, many engineering...

In this paper, we propose a new age classification method based on a deep model. In our method, the fine-tuned deep facial age (FTDFA) model is used to extract facial age features. Age features output from the activations of the penultimate layer are classified by the Maximum joint probability classifier(MJPCCR).Three...

The article is devoted to the forecast and evaluation of the quantitative requirements for mechanical and structural-mechanical properties of asphalt concrete in the production stage. The results obtained can be useful for developers of asphalt mixing and compacting machinery for road construction and...

We conducted a summer thermal environment test on a traditional folk house and a modern folk house in Banliang Village, south of Hunan. The result shows that the indoor temperature of the traditional folk house is 3℃ lower than that of the modern folk house. The temperature of the outdoor spaces, transitional...

Understanding the transferring process of substance content is meanful for pollution control in marine bay. In order to reveal the unit-distance loss rate of substance contents in marine bay during the transferring process, this paper provided a horizontal loss rate model. Based on this model, we found...

By analyzing the potential influence of the operation of multiple wind turbines on the surface boundary layer was studied. Gambit software was used to establish multiple wind turbine and wind field model, and the Fluent software was used to simulate the flow of four sets of wind turbine in parallel and...

Aiming at the dynamic question of the belt conveyor, based on the Kelvin-Voigt viscoelastic constitutive law the longitudinal dynamic governing equation of the viscoelastic conveyor belt was established. The generalized coordinate method was adopted to solve dynamic displacement and dynamic tension of...

Symmetry is of important significance in mathematics and more extended region and it can simplify calculus calculation. In this paper we systematically explore of function of many variables Computing Problems by symmetry.

The calibration of vector network analyzer can reduce errors in the test system, which will significantly improves the accuracy of measurement. A short-ended double waveguide in this paper is a 1-port network used for measurement of microwave materials. SOL calibration method is very important to 1-port...

Green initiatives are one of the main topics in environmental sustainability research area. Environmental sustainability itself is known as a preferable achieving from sustainable transportation. Although service industries have a smaller environmental impact than manufacturing industries, transportation...

Synonym relationship is one of the most important relationships for knowledge organization systems. In this paper, we propose a series of methods on synonym relationship discovery based on paired translation information already in knowledge organization systems. The translations amount and the translation...

The ecological conditions of life of modern man are becoming less and less favorable. A lack of physical activity, largely associated with the progress of digital and other technologies, weakens the already reduced ability to withstand diseases. Many diseases, including hypertension, are becoming more...

Tracer study provides important information on the relationship between higher education and professional work, it assesses the relevance of higher education by comparing aim of learning and data of alumnae, it informs stakeholders about the information of alumnae, and the most importantly, The Tracer...

Deep learning has emerged as a powerful tool for detecting polymorphic malware in encrypted network traffic, where traditional signature-based methods often fail due to encryption and code obfuscation. This study introduces a hybrid 2D CNN-LSTM model augmented with GAN-based adversarial training and...

This study presents a literature review and a comparison of selected body dimensions included in many anthropometric surveys. The main purpose of this study is to determine the measurements and variables that need to be included in a study of anthropometry for agricultural workers in Madura Island, Indonesia....

The shipping industry plays a vital role in global trade but also faces major challenges regarding its environmental impact. This research aims to explore solutions to reduce the shipping industry’s environmental impact, focusing on three main aspects: sustainable container stacking site planning, implementation...

Cement-based materials undergo deterioration in a sulfate environment with different pH values. This work aimed to investigate the performance of cement mortar against hydraulic fracturing exposed to sulfate environment with different pH values. For this purpose, a series of hydraulic fracturing tests...

With the increasing incidence rate of breast cancer, early screening and diagnosis are of great significance for improving the survival rate and prognosis of patients. Photoacoustic imaging technology is an emerging non-invasive and radiation-free biomedical imaging technique. The combination of the...

The urban built environment is closely related to the occurrence of traffic accidents. Accurately identifying the spatial heterogeneity characteristics of factors affecting traffic accidents is of great significance for accurate traffic safety management and control. In this study, 2,114 Traffic Analysis...