Atlantis Highlights in Engineering

During the construction of shield tunnel under the river, the shield machine digs in the water-rich sand layer with rich water content and strong permeability, so it is difficult to control the disturbance and deformation of the stratum during the construction. In this paper, based on the shield tunnel...

Site investigation is crucial to any civil engineering or land development project. The geotechnical information acquired through site investigations is essential for the safe and economical design of buildings and infrastructural works. The field and laboratory tests (critical components of site investigations)...

The Yellow River Basin faces the major national strategic priority of constructing a green industrial structure and forming an ecological pioneer zone. Grounded in the assumption of bounded rationality, this paper develops a dynamic evolutionary game model among the government, strategic emerging enterprises,...

Information needs by the community of Merauke Regency in this era are becoming more complex and diverse. The community needs a quick and easy access to obtain the information needed, one of them is by using a smartphone that is now owned by almost all people in the city of Merauke from various backgrounds....

A gold concentrator mainly processes quartz vein ore and altered rock ore. The average tailings grade in flotation production is about 0.13 g / t, and the recovery rate is about 90%. In order to further improve the production index, the process mineralogy detection and flotation test of the two ores...

In the construction of the pile-beam-arch station, the construction procedure and force transformation of buckle arch are complex, which has a great influence on the stability and safety of the whole structure construction. In view of this, based on the subway station project, this paper uses the method...

The anisotropic geological setting has a predominant multi-orientation of weakness planes that are integrated with the matrix structure of major joint sets. The sedimentary bedding orientation and shear surface resistance significantly governed the plane’s deformation characteristics and, thus, the mode...

Government agency is one of the elements supporting the implementation of regional autonomy in any fields applying decentralization tasks. Service offices in Merauke Regency consist of 20 regional agencies, 7 regional technical institutions, 1 regional public hospital, 1 civil service police unit, and...

At the end of 2019, COVID-19 roared out across the horizon. As a contagious and fatal virus, it turned the world into a mess and had a profound impact on everyone. Fortunately, with the emergence of vaccines, human beings can have resistance to the virus, and remain a comparative health status. To consummate...

The supercritical carbon dioxide (SCO2) extraction of biomass for aroma components has the characteristics of high extraction efficiency, low pollution, and easy separation of the extraction products. Combined with appropriate raw material pretreatment methods, the physical and chemical properties of...

Gravity-type quay walls are widely used in port projects around the world because of their advantages of durability and convenience of construction. However, these quay structures are often subject to vibration damage from activities like ground treatment construction, pile driving and traffic vehicle...

Excavation construction can have an impact on the stability of the mountain and even form new landslide disasters. Based on the construction of a highway tunnel entrance in a certain mountainous area, the stability of the slope was analyzed, and numerical simulation analysis was conducted on different...

Generally, if there are several complex criteria, constraints will occur in decision making. The decision making process faces the priority of several alternatives. Sometimes, decision making occurs using mere subjective values. This is not supposed to happen in determining teacher’s quality. Based on...

In order to improve the calculation method of soil pressure on retaining walls under earthquake action, a calculation formula for seismic active soil pressure on unsaturated retaining walls under steady-state seepage conditions was derived based on the variational method and limit equilibrium method....

Research on remediation of chromium and cadmium metal contaminated soil using compost has been carried out. Added compost was 5%, 10%, 15%, 20% and 25% w/w. The study was conducted for 14 days and observed a decrease in the concentration of heavy metals in the soil. Measurement of heavy metal concentrations...

Sukinda chromite valley is the largest chromite deposit in India with six chromitite bands mined by several open pit mines. Host rock ultramafic sequence is weathered and altered to a thick profile of limonite that forms majority of the pit walls. The limonitic rockmass is massive, silt and clay rich...

The construction of micro pile is more convenient than that of anti-slide pile, but the anti-slide ability is low and the deformation control ability is insufficient. The combined support of prestressed umbrella anchor and micro pile for channel slope is the solution. The indoor model test was carried...

Based on time-series statistical data from 1990 to 2020, this study empirically studied the impact of trade openness on carbon emissions changes through two representative explanatory variables, namely foreign trade dependence and foreign investment dependence, using Eviews software through cointegration...

Polyaniline is one of the conductive polymers that can be funcionalized as a sensitive layer on quartz crystal microbalance (QCM). The sensitivity of polyaniline can be enhanced via dedicated its morphology. The plasma oxygen treatment is used to modify the surface of polyaniline coating. The purpose...

This paper researches the future trend of the Chinese pharmaceutical company’s stock prices in the Covid-19 pandemic. Through the optimized ARIMA-GARCH model, this paper investigates the China National Medicines Corporation stock representing the Chinese pharmaceutical stocks. The data analysis provides...

Many scientists and researchers have expressed concerns about changes in the Earth’s climate. Recent years have seen various disasters arising from climate change, and the government has spent billions of dollars to resolve or adapt to this issue. However, climate-related disasters have shown no trend...

Using three-dimensional limit equilibrium analysis to evaluate open pit slope stability has become popular in the mining industry. These tools allow geotechnical engineers to accurately input actual rock slope conditions and material strengths and obtain results that reflect slope behaviour and stability....

When the deep foundation pit is excavating, it will cause stratums settlement, thereby affecting nearby buildings and pipelines under surface. In this paper, based on the e-p curve obtained from the compression test, the calculation method of tangential compression modulus under arbitrary pressure is...

Recently many portable devices need electrical energy which instant and high capacity. Lithium-ion battery is one of very popular as mobile electrical energy source for them. This study focused to elaborate the electrical performances of reduced graphene. They were electrical conductivity, cycle performance...

The proposed approach combines a multi-source- multi-channel supply chain system with Model Predictive Control (MPC), with a specific focus on the impact of self-media live streaming. The study begins by modeling and analyzing the multi-source-multi-channel closed-loop supply chain under the influence...

At the present stage, my country’s land has transformed from incremental expansion to stock optimization. Urban renewal, which is a necessary and planned reconstruction of areas in the city that are no longer suitable for modern urban social life, has gradually become the key to improving the quality...

The Analysis of morphology, porosity and absorption of Fe3O4 nano particles coated with SiO2-NPs has been carried out; use polyethelen glycol as a core for forming core-shell Fe3O4@ SiO2/PEG. SiO2-NPs is prepared from quartz sand by hydrothermal and coprecipitation methods; Fe3O4-NPs have been prepared...

After the COVID-19 bursts out, all the world has been affected and the worldwide economy is struck because people cannot go out freely and more people tend to stay home due to the coronavirus. Therefore, it is important to think about some solutions to let the citizens travel freely as well as keep them...

Fully enclosed noise barriers (FENB) have been widely used in urban areas with high-rise buildings, but a new type of enclosed noise barrier with top central opening spaces (TONB) becomes an optimum proposal due to the demand for light transmission and wind resistance. This paper provides a detailed...

At the end of the 1980s, the design, testing and subsequent manufacture of steel rockfall protection barrier systems began around the world. To ensure that these barriers can effectively stop the dynamic impact of rockfall, several guidelines have been introduced worldwide since 2001. The level of knowledge...

Cyanobacterial blooms are common ecological problems that pose significant harm to humans, animals, and the health of lake ecosystems. To cope with this problem, we adopt a bio-dynamic model inspired by the invasion species and develop an integrated simulation-optimization model (Mixed Integer Programming)...

Engraving of polymer materials using cutting laser is a popular process in some manufacturing industries. This research presents the manufacture of waveguides channels on polymethyl methacrylate (PMMA) substrate using CO2 cutting laser process. The CO2 laser engraving machine has cost effective and takes...

With the increasing demand for environmentally friendly construction practices, the development of prefabricated assembled structures has gained momentum through the widespread adoption of construction industrialization. This research aims to investigate the mechanic performance for a novel prefabricated...

Graphite is a material that has excellent mechanical and thermal properties, as well as a wide application level, especially in the form of nanoparticles. High Energy Milling (HEM) is one of the methods used in the formation of nanoparticles by reducing particle size mechanically. In this research, variation...

As cities turn from new area development to built-up area renewal, quality improvement and reduction renewal of rural inefficient industrial land has become focus issues in urban planning academic circle in the face of innovation-driven development and economic upgrade. Existing literature indicates...

We define a novel normalized loss function to quantitatively evaluate the goodness-of-fit between simulated and measured rockfall trajectories using elapsed time and sampled rock positions. This loss function is optimized to back-analyze the coefficients of restitution Rn and Rt using a Monte-Carlo search...

To clarify the relationship between responsible leadership and multiple performances, a meta-analysis was conducted using R software based on 70 studies, 86 effect sizes, and a sample of 26,732 participants. The results showed that responsible leadership is positively correlated with employee task performance...

In order to develop a new coolant for nuclear and non-nuclear applications, nanoparticles of Al2O3 for nanofluids have been successfully synthesized by solgel method utilizing AlCl3 as precursor and urea as chelating agent. The mole ratio of the AlCl3 and urea was 1:2. The solution was stirred to form...

On the basis of summarizing the research results of domestic and foreign scholars on safety awareness, this paper summarizes the influencing factors of safety awareness into three levels: laws and regulations, safety management, and safety protection, and thus constructs a theoretical model of the impact...

In recent years, more and more wind farms in China, increasing the potential for seismic vulnerability. The operation and damage status of wind turbine towers under seismic action is classified into four levels: intact, temporarily out of operation, permanently out of operation, and collapse. A finite...

Among various forms of developed robots, legged robots are often used to overcome problems that cannot be solved by wheeled robots. The often occurred problem while developing this typical robot is about the flexibility and efficiency of the robot movement. In addressing the problem, this research aimed...

The corporate risk-taking level is of great significance for enterprises to seize development opportunities. Meanwhile, the establishment of Pilot Free Trade Zones in China encourages Chinese enterprises to be bold in trying and exploring. Based on the data of Chinese listed companies from 2007 to 2021,...

An X-ray intelligent sorting experiment was conducted on a certain polymetallic sulfide mine in Inner Mongolia. Under the condition of operating scrap rate of 43.65%, the grades of copper, lead, zinc, and iron in the tailings were 0.01%, 0.01%, 0.13%, and 3.15%, respectively. The recovery rates of copper,...

This paper presents findings of a qualitative study on efforts to engage elementary school students in small-group and whole-class discussions as part of the process of learning mathematics. Characteristics of the process of facilitating small-group and whole-class discussion are examined, as well as...

The Carretera Austral, today Route 7 of Chile, is one of the most important roads in the Chilean Patagonia. The road is in a mountainous area with very steep slopes. Due to the challenges presented by the zone a geotechnical assessment is necessary to make improvements to the road. During the opening...

The traffic data around the scenic spot and the daily average passenger flow trend data associated with the tourist attractions are closely related to the travel. Considering the multiple factors hindering travel, the traffic structure adjustment model around the scenic spot to meet the needs of tourists...

From 2017 to 2022, the central government has supported 88 pilot cities to promote clean winter heating in northern China. Affected by the factors of large investment in the construction of clean heating projects and high cost of use, the finance faces greater financial pressure and the severe situation...

With the continuous development of bridge construction in the direction of rapid speed, high quality and environmental protection, prefabrication technology has become the mainstream trend of bridge engineering development. Based on the prefabricated T-beam construction of the smart girder fabrication...

Suspended converter valve hall circuit is a crucial subsystem within the UHV converter station. It is characterized by electrical equipment possessing attributes of “high, large, heavy, and flexible,” making them prone to seismic-induced damage. In order to evaluate the seismic performance and vulnerability...

This study aimed at exploring middle school mathematics teacher’s views on mathematical literacy and context-based task. Data were collected through questionnaire items filled out by 91 teachers at two districts in East Java province, Indonesia. Data were analyzed by scoring the teacher responses and...

Rock slope instabilities affecting several coastal cliffs in Australia, such as rockfalls, block topples and wedge sliding failures, pose a significant risk to people and infrastructure located along important national transport networks. Such instability phenomena, mostly driven by pre-existing structures...

In order to improve the efficiency of elderly care services and solve the problem that the traditional way of providing for the elderly is difficult to provide Effective demand, this paper designs a system for monitoring the quality of the elderly's home environment and detecting abnormal behavior....

In the development process of environmental engineering, remediation of heavy metal-contaminated soil is one of the important research directions. Currently, considering the environmental pollution situation in our country, heavy metal contamination constitutes a significant proportion and poses serious...

Critical thinking skills are one of the most important life skills in the 21st century, because critical thinking skills can improve intelligence in life skills. Critical Profiles of critical thinking skills and their relationship to students' metacognitive skills are obtained from in-depth problem-based...

Overs the last few years, several rocky hills have undergone voluminous mass movements in the Yaounde area. A first check analysis of rock and slope properties suggests that rockfalls or collapses are the most likely mode of failure in this area. This paper considers the feasibility of using RocFall3...

The reservoir dam disaster is characterized by its suddenness, and the consequences of dam failure are unbearable for people. In order to accurately understand and determine the severity of the consequences of reservoir dam failure, and to ensure the safety and interests of downstream public, this paper...

In order to understand the design and application of network security vulnerability detection system, a design and application research of network security vulnerability detection system based on artificial intelligence is proposed. In this paper, firstly, aiming at the high false alarm rate of network...

Early Yanshanian is a significant tectonic evolution period for Luxi Area, which is located in eastern North China Block. Analyzing the synchronous sedimentary facies and provenance is of great significance. Based on comprehensive analysis of drilling data, seismic profiles, complemented with geological...

In the present paper we discuss dynamics and numeric simulation of prey-predator model with stage structure. Prey populations which is divided into sub populations, one is immature prey and the other is mature prey The focus of the study of the stability of prey predator prey models as well as local...

On this basis, combined with the characteristics of computer-aided instruction, a data-based computer-aided instruction management system is designed and implemented. On this basis, a data-based education management system is proposed, which is combined with the rule mining algorithm. On this basis,...

Higher-Order Thinking skills (HOTs) are needed to form our students to become more critical and creative individuals facing this sophisticated age. Teachers are required to be able to present learning that trains students to reason, think critically and creatively. This article presents the results of...

Urban air quality is receiving increased attention as a result of the explosive development in demand for energy, industry, and transportation. This study primarily uses Zhejiang province as an example and analyzes air quality monitoring data from 2018 through 2021. The findings indicate that the proportion...

Impact of climate change is very complex because it occurs in various sector of live such as health, agriculture, forestry and transportation. Extreme weather is one of climate change effect, that is a weather condition or phenomenon above normal that occurs in a particular area with short term duration,...

High-strength bolt loosening detection is an important part of steel bridge inspection. The automatic detection methods based on machine vision and UAV have the characteristics of fast speed and high efficiency, and have been widely used to replace manual inspection. However, it is difficult to realize...

Spalling in rock has been an area of focus for researchers since it was first observed in tunnels and boreholes. The earliest form of spalling tests are in-situ tests, but due to high costs and the risks associated with allowing an excavation to fail, the focus of spalling research has shifted to a safe...

Taking a high-risk legacy site (the closed electroplating enterprises) in Jiangsu as the research object, the single pollution index method and the comprehensive pollution index method were used to evaluate the soil heavy metal pollution status, and the pollution of heavy metal Ni in the site was clarified....

We often find plants that have similarities in terms of shape and texture. In agriculture if we want to plant a plant species, other plants will be called weeds as they can inhibit plant growth. We can easily classify plants and weeds using image processing. Watermelon plants were the objects of this...

Building a performance evaluation index system for professional construction of "double high" colleges is the need to promote and improve the construction and management of the national "double high plan", it is the need to High quality complete the "double high plan" of...

This research aims to describe students' errors based on the Newman procedure in solving narrative questions on whole number reviewed from cognitive style and its causing factors. This was a descriptive qualitative research with the students of fourth grade of SD Negeri 1 Merauke of 2017/2018 served...

In order to increase engineering quality and lower engineering costs, novel scenarios involving the integration of BIM technology and engineering costs can be realized. Examples include sharing engineering cost data and information and managing dynamic controls. As a result, this paper analyzes and summarizes...

Numerical modeling allows for investigating the stability of mine pillars under different loading conditions. Unfavorable shear stresses may develop within mine pillars when the orebody is inclined or when the pillar axes are not aligned with in-situ principal stress directions. Quirke Mine, ON, Canada,...

Soil and groundwater are important sites for the storage and transport of perfluorooctane sulfonic acid (PFOS), as well as areas for the presence and movement of bacteria. Bacteria are usually present as biofilms on the surface of media. It is reported that bacteria can also adsorb PFOS, so the direct...

The development of science and technology in various parts of the world is influenced by progress in the field of mathematics. Therefore, the countries that ignore mathematics education as a top priority will be left behind from other countries that provide a place for mathematics as an important subject....

The deterioration of the natural environment has attracted the attention of a wide range of scholars, and there has been a gradual increase in research on sustainable supply chains. In this paper, we consider the supply chain of joint decision making for inventory and sustainability technology investment....

This research aimed to produce Lower Secondary Mathematics Teaching Materials with the Scientific Approach Oriented to Problem Solving Ability including Lesson Plan (RPP), Student Working Sheet (LKS), and a valid, practical and effective student Learning Achievement Test (TPB). This type of research...

Energy Internet represents the direction of the world's future energy development, is an important means to promote the energy revolution, the traditional power grid enterprises need to adapt to the changes of the energy Internet, accelerate the transformation to the energy Internet platform type...

The critical state theory has been widely applied in geotechnics, and understanding the mechanical and geotechnical properties of particulate materials is one of the major challenges nowadays. In the mining industry, this is a concern regarding tailings storage facilities, that experience transitions...

The frequency and depth of routine inspection of the operation status information of the completed bridge are far from the requirements of grasping the health status of the bridge, so it is necessary to design and establish a modern, automatic and intelligent operation monitoring system. Taking Nanjing...

In today’s world of work, the rate of competition among job-hunters is getting increasingly higher. In addition, some companies want to recruit human resources who have more work skills and knowledge in order to improve their quality and productivity. Both skills and knowledge are necessary regardless...

Pronunciation is an interdisciplinary subject, and speech recognition is gradually becoming the key technology of man-machine interface in information technology. In recent years, the application of computer speech recognition has made great progress. Based on the special status of English, there have...

As a result of the intense exploitation of mineral resources on the surface, mining excavations must migrate to deeper environments. At greater depths, in-situ stresses increase along with the probability of rockburst occurrence. Different authors have studied this phenomenon in depth, however, the influence...

Entrepreneurial environment is a key factor to promote entrepreneurial activities. Through four studies, implicit research methods and SEM were applied to construct and verify the six-factor implicit evaluation model of the entrepreneurial environment in Dongguan. In Study 1, from 11 unstructured interviews,...

The application of technology has developed in the field of traffic. The occurrence of traffic violations and an increase in the number of accidents triggered by the speed of vehicles that exceed the maximum limit specified. It especially two-wheeled vehicle or motorbike. The small form of a motorbike...

Flow characteristics are the driving force to the riverbed evolution in straight channel with crisscross bars. The variation laws of longitudinal velocity, transverse velocity and turbulent intensity were studied by flume experiment. The results show that: ① the longitudinal time-average velocity decreases...

Intelligent transportation systems are now starting to develop. One aspect of the intelligent transportation support system is how to recognize a vehicle. Vehicle plate recognition is an important function of this system. Plate detection systems have two problems, namely where the plate is located and...

The aim of this research is to compare the gravitational acceleration based on the two different apparatus measurement. That two apparatus are similar, use free fall setting. That difference is in time record method. This gravitational acceleration determined from metal ball fall’s time in a predetermined...

The aim of this research is comparison wood-metal load system (experiment 1) and wood-sand load system (experiment 2) to find the static friction coefficient on wood and the effectiveness of both system. This study used a descriptive quantitative approach by using graphical analysis method, the manipulation...

The true using of cosmetics will give so many good effects such as healthy, elastic and younger face, otherwise bad using of cosmetics can cause many problems such as Acne, spot, oily skin and dry skin. This clinical research using nanogold and nanoseaweed was aimed as a solution for negative effect...

In this paper, the MATLAB software is adopted to develop the system coupling model to calculate the comprehensive index and coupling level of the two systems of higher vocational education structure and industrial structure in Guangdong Province from year 2015 to year 2021. In addition, the dynamic evolution...

This research aims to analyze college students’ misconception on optical concept. Participants were 36 college students of sixth semester from one intact class. College students’ misconception of geometrical optics were measured by a three-tier misconception test. From the data collected we were determined...

This paper present the description of students’ reasoning on physics related to visual representation. This research used descriptive qualitative method. The subjects consist of 25 college students. Given some physics problem with visual representation, students answer it with different reasoning. Students...

With the continuous improvement of people’s living standards, equestrian sports have gradually entered people’s field of vision. Equestrian sports, as a sport with great ornamental and competitive value, can not only provide high-quality sports services, but also create more employment opportunities...

Fostering problem solving-skills on prospective science teacher is a challenging task, yet problem-solving skills is needed in 21st century live. The aim of this study is to foster problem solving skill on prospective science teacher through problem-solving tasks on sprint exercise theme. Method of this...

The purpose of this study was to describe the validity of the project based laboratory learning (PjBLL) model to increase science process skills and scientific creativity of students. Collecting data use preliminary research and validation phase of physics learning expert in the focus group discussion....

This article uses SPSS software to conduct WLS regression and path analysis on the 2015 CGSS data. The factors affecting Chinese residents' subjective well-being were empirically tested. It is found that education level has a positive effect on Chinese residents' happiness, and income level...

Oxidation Ditch Algae Reactor (ODAR) is a wastewater treatment reactor utilizing symbiosis between algal cultures and bacteria. ODAR reactors have large circular basin equipped with aerators. Pathogenic Escherichia coli is believed to mostly live in the contaminated area, which it could influence human...

Scientific research evaluation is the baton of scientific and technological innovation. Researches mostly focus on visualized analysis of scientific research management, and lack of visualized analysis of scientific evaluation in colleges and universities. Based on the knowledge mapping visualized analysis...

The 2nd generation HDPE Recycle Hot Press machine is the revamps of the first generation machine. The first generation hot press still has many shortcomings that make production results not optimal, such as porosity defects, limited product dimensions and the manual pressing process. The method used...

Machining processes are spent a lot of energy in the manufacturing industry. On the other hand, we understand that energy should be minimum. The purpose of this study is to find the optimal machining parameters that allow the most energy-efficient processes. The study focused on optimization of parametric...

The medical insurance fund is an important guarantee for people's health. It is of great significance for the country to maintain the people's livelihood by timely discovering illegal acts and avoiding fund losses. Due to the characteristics of high dimension, large quantity and complex data...