Advances in Engineering Research

The present paper dealt with the concentrations and bioaccumulation of heavy metals (Pb, Zn, Cu, Cd, Cr) in three endemic wild fish in Dianchi Lake, China. The mean concentration in fish organ tissues (head, scale and skin) does not have an obvious ordering. This showed that the metal concentrations...

We derive the space rotational transformation matrices under two assumptions: the invariance of vector length and the allowance of infinitesimal rotation. The derivation is simple and concise by using trigonometric functions and the result is compared with previous studies. The method can be further...

LCA (Life Cycle Assessment) method was applied to a line of Korean High-speed Railroad construction site in this study. The portion of environment was larger with this investigated site than other sites. Detailed design specification and event breakdown system construction cost analysis program was used...

The gases of nitrogen, oxygen, argon and carbon dioxide were employed as coolant and lubricant in metal cutting. Therefore, the smaller kinetic diameter of gas, leads to the lower cutting forces and deformation coefficient. A conical capillary model is proposed, based on the experimental results and...

The cracks existing in the concrete components have a strong impact on the safety of their structures. Ultrasonic testing is an effective non-destructive testing method for fast excluding surface and internal defects of concrete in construction engineering. The concrete specimens were tested by the calculation...

It's significance for us to study Chinese Text Classification, when we face so much dynamic information. The development of Text Classification has a close connection with Pattern Recognition. However, some peculiarity of Chinese Text Classification, such as it has many classes, much noise, and excessive...

The output of the PV array capacitance change influence the output efficiency of photovoltaic power generation system. The study of the circuit is a stand-alone photovoltaic power generation system, theoretical analysis and simulation results can be well combined with the PV array output suggests adding...

The majority of multi-path routing schemes in Mobile Ad-hoc Networks (MANET) does not consider the traffic distribution and load balancing routing performance, increasing network overhead, excessive energy consumption and other issues. We propose a scheme to achieve load balancing when the topology changes...

For the geological characteristics of carbonate reservoirs in West Niuxintuo Oilfield, using core description, well logging fracture identification,3DMOVE fracture prediction and other new technology, the inside story of carbonate reservoir is found out under the guidance of geology, well logging, petrology...

With wide application of the high performance concrete in Engineering, the research and application of high performance concrete admixture are attaching more and more attention by researchers. Although researches are more mature on the aspects of fly ash, slag, silica fume and other non-biological materials,...

One of the factors causing congestion is the number of vehicles which are not proportional to the increase of the volume of the road. At the present time, people generally prefer to use private vehicles compared to public transportation due to various reasons such as convenience, travel time, faster...

The concept of metal-oxide-semiconductor-field-effect-transistor (MOSFET) was proposed by Julius Edgar Lilienfeld and the electrical characterization and mathematical theory began since 1959 at Bell Telephone Laboratories. It has been a revolutionary invention since then and have led to the new generation...

The pore and fissure of coal directly affect the occurrence and seepage of gas. Therefore, it coal seam methane should be developed for utilization and gas control. In this study, characterization methods for coal fractures are introduced on the basis of extensive literature research. They are usually...

The main research of this paper is that there are three modes between urban rail transit and other means of transportation.The paper combines a large amount of practical research and data to analyze at different levels:the first one is the transfer connection between urban rail transit and urban external...

The aim of this research is to describe the meaning types in the Easy English video. This research is a qualitative research because the researcher analyzed the data in written form. The data of the research are interviewee’s utterances about what they know about Germany in Easy English video. The data...

Electro-hydraulic servo control system is a nonlinear and uncertain system with time-variation parameters and external disturbance. The traditional Proportion Integration Differentiation(PID) controller can hardly control the nonlinear and time-variant systems, whereas the Radial Basis Function (RBF)...

This paper proposes a deep learning method - convolutional neural network to analyze human falling-action in video surveillance, so that we can recognize the falling-action of human body accurately in the shortest time. Firstly, vibe algorithm is used to extract the foreground and some methods of image...

The extraction of Zhaotong lignite in Yunnan province was studied by using organic solvent 1- methyl -2- (NMP) and CS2 mixed solvent as extraction solvent. The effects of solvent ratio, rotation speed, coal particle size and extraction times on the extraction rate were investigated by multi - factorial...

With the development of computer vision technology, the positioning technology based on vision sensor had drawn more and more attentions. There were two kinds of visual odometry technologies through the image information for motion estimation to obtain the attitude information, one of them was based...

To simulate the application environment of a number of electronic products, the growth of Sn-0.3Ag-0.7Cu-0.5Bi-Ni/Cu solder joints with low content of Ag was investigated during aging in an interval mode. It shows that the intermetallic compound (IMC) (Cu,Ni)6Sn5 layer becomes thicker with increasing...

Lack of water resource and nutrient deficiency retard crop production in the light sierozem in Ningxia, China. Biochar and biochar-based ameliorant present a feasible solution to solve these problems. This study investigated the effect of adding biochar or biochar-based ameliorant on the growth of maize...

This paper proposes a combination approach of clustering, a hierarchical clustering to group similar characters of Balinese Lontar script; followed by k-means clustering as a way to identify the group to find-out the right label for members of the group. Based on the optimal value of the silhouette coefficient,...

This research aims to study the shear resistance and deformation capacity of reinforced masonry shear walls. By using the method of nonlinear regression analysis, the maximum shear resistance and deformation characteristics of the 295 reinforced masonry shear wall specimens in the quasi-static test database...

Every operational process within a company inevitably carries potential risks of workplace accidents for employees. Therefore, companies must implement Occupational Health and Safety (OHS) programs, which must be supported by employee discipline in applying these programs to minimize the risk of workplace...

The rapid development of cultural tourism and digital construction technologies has paved the way for innovative approaches to planning and managing scenic area projects. This study proposes an integrated model that combines Building Information Modeling (BIM) and Virtual Reality (VR) simulation to support...

Water spray system is one of the most commonly used fire extinguishing systems for oil-immersed transformers in booster stations. However, research on weather the water in water spray system pipeline will freeze behind the deluge valve is rare. In this paper, the calculation formula of water heat transfer...

Recent advancements in multi-axis printing and composite materials have shown promise in addressing these issues, but systematic studies on the synergistic effects of material enhancement and chunking optimization remain scarce. Therefore, this research aims to bridge this gap by integrating high-performance...

In indoor positioning, the real-world scenario often involves a multi-floor indoor environment, resulting in the construction of a large Bluetooth low energy (BLE) fingerprint database. Subsequently, high computational complexity and increased computational time are usually associated with such a large...

The art of videography has developed over time. Starting with the discovery of the photographic camera and siluloid film in the 16th century. The discovery of the photographic camera and celluloid film came from a wooden box, and in the box there was an obscure lens. The obscure lens is a small hole...

Aerospace insight is one of the parts of Archipelago insight and is important for every citizen to understand the urgency of civic education in the nation and State. The low interest in learning from archipelago insight students can be improved through learning media, such as experimental devices, simulations,...

This study aims to assess the impacts of both climate change and anthropogenic disturbances such as mining development and urbanization on pasture grazing capacity and its vulnerability in arid and semi-arid regions. To achieve the purpose, we have developed an integrated model to evaluate the pasture...

In order to improve keratin film mechanical properties, keratin and cellulose solutions were mixed in various ratios and coated on glass plates. Measurements of these composite films show that their mechanical properties decrease with an increase in keratin content in comparison with pure cellulose film....

With vehicles with vehicle-mounted GPS device gradually increased, GPS floating car technology has become a new type of road traffic state detection method. GPS and GIS data preprocessing is to achieve the basic link GPS floating vehicle technology and can provide more reliable data source for road traffic...

There are many problems of grassland carbon sequestration of collaborative management, in the initial development stage. Therefore, this paper based on PEST analysis method research grassland carbon sequestration's collaboration management in four aspects, include: Political, Economic, Social and Technology....

With the development of tourism in the field of information technology, wisdom tourism will come into being which relies on the portable Internet devices and bases on mobile, cloud computing, the Internet and other new technologies as the platform. Meanwhile, visitors experience as the core content of...

Since parameters of the traditional paint thickness accumulation rate model is difficult to determine, the model has issues as requiring a lot of repeat painting and so on. This paper presents a model of paint spray control model based on the film accumulation model to analyze how different trajectory...

This paper discussed a person detection and following quadcopter system based on the color information. This quadcopter system detects the target person based on the color of the person's jacket and follows the person to keep the constant distance. The application of our quadcopter is the indoor navigation...

Objective: This study puts its focus on the factors that affect the prognosis of recurrent ovarian cancer, so as to explore the factors of improving the therapeutic effect and prolong the survival time of patients. Method: Making retrospective analysis on 45 cases of having complete clinical treatment...

The Kariba Dam on the Zambezi River is in dire need of maintenance. This paper is intended to study the strategy of removing and replacing the Kariba Dam.The elevation map of the watershed of Zambezi River is made and rasterized by using Kriging Interpolation. Combining the precipitation and geological...

In future, with the promulgation of the energy Internet development plan and the gradual liberalization of the power sales side, the user side will appear a large variety of user service requirements and intelligent terminal access requirements. In order to realize the dynamic balance of energy supply...

The threshold pressure gradient of CO₂ miscible flooding is very complex in the low permeability reservoir. And the short low permeability core experiments are adopted to study it in this paper. Studies show that the curve of pressure gradient and flow rate presents a concave distribution and the threshold...

By dynamic simulating bench for coal transit spot in fossil power plants, dust emission was studied and characterized with different levels of belt velocity in this article. There is a very strong negative correlation between upper concentration and lower concentration of coal dust with different belt...

This paper introduces the application of micro oil ignition technology in Opposed Firing Supercritical Boiler, and the design of the sequential control logic. According to the characteristics and operation mode of micro oil ignition, compared with big oil gun control scheme, the paper study the micro...

This paper proposes a new method in which the number of dependent constraints is determined based on the transformation parameters of the coordinate systems associated with the links of a mechanism; the number of homonymous parameters that are equal to zero is subsequently used to determine the overall...

After the stage of higher tailoring, the candidate triangle pairs are still need to be further reduced to eliminate redundant tests in the stage of lower tailoring. This paper aims to propose a method to improve performance and efficiency in lower tailoring for self-collision detection of arm cloth simulation....

Seabed EM surveys in shallow water environments have a number of specific particularities. Specifically, there is difficulty with hermetical sealing of EM instruments and the necessity of overcoming electromagnetic noise caused by underwater currents and sea surface disturbances. Another problem is the...

The movement law of overburden strata in backfill mining face was studied, by the method of similar material simulation, on the background of the paste filling mining in Daizhuang Coal Mine, and in consideration of change of filling body strength with time. The results showed that the immediate roof...

Based on statics assumption and simplifications, the force and failure mode of deepwater long-line rope aquaculture facility system were analyzed, and maximum tensions of the mooring rope in the system in different sea wave heights (1~7m) were calculated to compared to its break strength and mooring...

Reviews the historical development of road project management system is presented in this paper, based on the connotation, the core management of road projects all over the world are in detail described, the problems of road engineering project management system has carried on the countermeasure analysis,...

The interface friction is used to evaluate the plastic flow behavior of workpieces material in different conditions such as temperature, pressure, strain rate and strain distribution. It is analyzed that deformation and material flow by the ring compression method during compression, which is contained...

Gathering real-time tracking for Charge-discharge voltage and temperature values of lithium iron phosphate battery.We can take full advantage of the charge-discharge characteristics of the battery to optimize battery usage, and ultimately improve the efficiency of the battery.The battery performance...

Objective:To study effect of total flavonoids of Epimedium on climacteric depression model. Methods: In addition to the blank group, other rats climacteric models, total removal of the left ovary, the right ovary removed 80%. After the injection of penicillin to prevent infection, continuous injection...

Vehicle emission is nowadays a significant source of climate change and air pollution. In order to control vehicle emissions, road maintenance is considered as one of the controlling method. Hence, it is necessary to find out how maintenance effects on vehicle emissions. Model of Highway Development...

In this work, we address a coefficient diagram method (CDM) for designing temperature control available to an energy integrated solid oxide fuel cell (SOFC) system that the high temperature of SOFC exhaust gas can be a heat source for all heat exchangers in SOFC system. The SOFC system represents the...

A DP-QPSK demodulation device what is based on Multimode Interference(MMI) cascading structure was proposal, This cascading structure does not require other additional production processes, and has good application prospect. The simulated results show that the structure can complete the polarization...

Based on the multi-body dynamics model of tracked vehicle which has been tested and verified, the mathematical relationship between road roughness and speed is obtained by using the method of experiment design, approximation model and goal seeking, and the calculation method of off-road speed under the...

The analysis of the evolution of various parameters in the roadway during the process of outburst through the physical simulation test is the development trend of studying the mechanism of the disaster of coal and gas outburst. Because the temperature data obtained by the test carries a lot of noise,...

This study reviews the research on visual and motor, visual impairment and walking in China and abroad.The effects of vision on the dynamics of gait (peak pressure distribution, impulse and plantar contact area) and kinematics (step length, step frequency and step speed) were discussed.It is hoped that...

Renewable energy sources such as solar heat, wind energy, geothermal, biomass and exhaust heat is one way to overcome the crisis of energy and environment in the world. Organic Rankine Cycle (ORC) is a power generation system modified from Rankine Cycle by using organic liquid with low boiling point...

Nowadays the development of new efficient composites based on secondary resources for high-rise construction is a relevant issue. The basis of the production of high-strength concrete is based on modern technological methods that improve technical, physic and mechanical properties, with the integrated...

Based on the three-dimensional phase field model, the competitive growth of columnar crystals under the conditions of different anisotropies and different subcooling degrees in the directional solidification process was simulated with the Al-2%mole-Cu two element alloy as an example. The influence of...

This article describes the correlation function and the angular energy spectrum of scattered waves for terrestrial paths to distribute radio waves of space propagation path and diffraction. The angular energy spectrum of the scattered waves on such paths is multimodal and causes the periodic nonstationarity...

Ammonia-based carbon capture process is one of the promising technologies for CO2 mitigation. However, it has a problem to be solved for practical implementation due to the high volatilityof ammonia, which incurs ammonia lose during regeneration. Effects of Fe3+ or Co2+ on ammonia escape and CO2 desorption...

This automatic intelligent rice cooker is designed on the base of STM32.It consists of automatic rice supply, rice washing and cooking functions, which can be realized, in the long distance, by sending messages, using smart phone apps, Bluetooth or other remote control devices.[1]In the meantime, the...

3D virtual tourism system is a new tourism information platform supported by virtual reality technology, which provides a new opportunity for the development of tourism. It is direct, authentic, interactive, dynamic, and rich in tourism information. This paper introduces the concept and development status...

Paper presents the results of measuring the hydrogen permeability of 40 m niobium foil membranes, on one side coated with a layer of a solid solution of tungsten in niobium or molybdenum in niobium. The measurements were carried out in a hydrogen atmosphere of technical purity with a smooth temperature...

In general, the heart cardio sound is used to predispose the heart's physical conditions. The review says that the idiosyncrasy extracted from heart helps in finding out the disorder that has occurred, and this idiosyncrasy is attained using ECG (electro cardio gram). This signal can be used in a better...

The earthquake that happened in Lombok Island on July 29, 2018, caused damage to buildings and stopped the educational activities. Badan Nasional Penanggulangan Bencana (BNPB) announced that there were 606 school buildings damaged by the Lombok earthquake, with a total of 3,051 classrooms damaged. Steps...

Debris flow is a sediment disaster that mostly occurs in mountainous area. In Merapi Volcano, Indonesia, debris flow frequently caused damage of infrastructures, destroyed bridges, houses, and fatalities. According to historical debris flow events, debris flow in Merapi area is predominantly triggered...

The traditional college English teaching mode cannot meet the needs of College English Teaching in the new era. The Online and Offline Blended Teaching Golden Mode, one of the key construction modes by the Ministry of Education, is particularly suitable for College English teaching. Combined with the...

Anticancer potential of methanol extracts of seagrass and taurine was proven through cytotoxic and antiproliferation tests by MTT method (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) on HeLa cervical cancer cell culture. The results showed that the methanol extract of seagrass had a...

The analysis of the influence of the mechanical strength of bamboo fiber reinforced composites using polyester resin as an alternative to making tools for the sports industry, especially rock climbing, one of the products of which is volume, namely by replacing polypropylene fibers with bamboo fibers...

The rapid development of science and technology at this time has also spurred progress in various fields of life, including education, especially in providing good and quality services. Universities compete with each other to be the best in providing services. The applied informatics management undergraduate...

The government of the Special Region of. Yogyakarta proposed the development of the Tempel – Yogyakarta – Samas railway line. This study aimed to determine the financial and economic feasibility. Investment costs and income were calculated for the 50 years concession period from 2024 to 2073. The financial...

Demographic structure is one of the important factors affecting residential patterns. Accompanied by the implementation of the comprehensive two-child policy and under the current specific national conditions of China, the demographic structure at this stage presents two obvious characteristics: population...

Insulators are components that isolate between voltage components and other components. insulators are very important in the distribution of electrical energy. If the quality of the insulator is poor, it can cause interference with the power system. The quality of the insulator is determined by the standard...

The metal rubber bearing has excellent characteristics such as anti-fatigue, anti-aging and anti-corrosion, while the vehicle live load will cause fatigue damage to the metal rubber bearing and thus affect its shear mechanical properties. This paper is based on 2 million times of vertical fatigue test...

Cold storage systems are critical for maintaining the quality and safety of temperature-sensitive products in industries such as food and pharmaceuticals. The performance of these systems heavily relies on efficient thermal insulation materials that minimize energy consumption while ensuring product...

The global shift toward sustainability has increased pressure on organizations to provide accurate, transparent, and credible ESG (Environmental, Social and Governance) disclosures. This study investigates the strategic role of data analytics in strengthening ESG reporting and enhancing corporate sustainability....

The aim of this study was to determine the effect of ecoenzymes on the growth of Hydrilla Water Plants, to determine the effect of the addition of probiotics on Hydrilla Water Plant Growth, and to determine the water quality in terms of pH, Temperature, and DO Levels. This type of research is experimental....

With the increasing dominance of photovoltaic power generation in renewable energy, non-isolated three-level photovoltaic grid-connected inverters are widely used. However, due to their topology and the existence of parasitic capacitors, inverters can cause leakage current problems, which can cause grid...

Environmental monitoring systems are crucial in smart and sustainable infrastructure, particularly in industrial settings where temperature and humidity must be continuously monitored in real-time. This research presents the design and implementation of an Internet of Things (IoT)-based monitoring system...

This study presents the construction of a multimodal dataset designed to detect online gambling advertisement infiltrations on websites. The dataset incorporates both visual (image-based) and textual data extracted from compromised web pages. Data collection begins with a Google Engine Scraper that utilizes...

The COVID-19 outbreak affects all aspects of life including stocks trading. This paper aims to highlight the performance of Malaysian Shariah stocks during the COVID-19 outbreak by employing modified Reward to Variability (mRVAL) and EMA (Exponential Moving Average). The analysis of individual stocks...

The article describes the influence of climate conditions on a solar module consisting of photovoltaic (PV) cells with a copper contact grid. The technological sequence of formation of copper contact grid on the surface of silicon heterojunction solar cell is described. The article compares the traditional...

In the construction industry, the construction quality and safety attract a widespread attention, and such problems are also critical in this industry. The acceleration of urbanization in our country results in ever-increasing construction problems, among which crack and leakage are more common. Thus,...

The article suggests the use of the concept of lean governance for formation of lean coal industry in the Kemerovo region, which may be relevant to a large coal region at the present stage of its socio-economic development. The Kuzbass coal basin is experiencing, like the entire coal industry in the...

This work is devoted to design the stabilizing state feedback controller for stability of the networked control systems. An improved stability criterion for networked control systems is proposed in the derivative of Lyapunov functions based on the relationship between the networked-induced delays and...

The cutting patterns of cutting process is drawn for cutting head of longitudinal axial roadheader. The changing of cutting groove shape, the coal lumpiness and partial load coefficient can be obtained intuitively by observing the cutting patterns. Cutting performances under different conditions of the...

This study is to optimize the longitudinal linear of the original route based on the jacking up construction of one bridge in the Xiamen-Chengdu Expressway project, which applied the synchronous jacking up construction method to raise the beam and consequently achieve the designed linear. Through the...

Ignition coil is an important component in the engine ignition system, the ignition coil issue may cause engine idling shaking. I present some types of ignition coils used in this article nowadays, and analyze the engine idling shaking, coil secondary voltage lower quality issue caused by the different...

With the rapid development of science, technology and economy, electrical and electronic products have already been closely related to people's work and life. However, a large amount of waste of electrical and electronic products also warrants our attention. To truly realize nonhazardous treatment of...

On the basis of the classical semi-disretization method (SDM) proposed by Insperger, an improved SDM and its algorithm were implemented in this paper. With the developed module, the chatter stability of milling process can be predicted. As the dichotomy search rather than sequential search is applied,...

Using maleic anhydride as raw material, sodium tungstate as catalyst, hydrogen peroxide as oxidizing agent, calcium hydroxide as initiator, the synthesis conditions of the best scale inhibition performance of poly epoxy succinic acid were studied by using the method of polymerization: maleic anhydride...

Distribution system is the section to deliver power energy to end user and realize power consumption, which draws more and more attentions. In the daily life of system operation and control for smart distribution system, the system operators heavily rely on Geographic Information System (GIS). Traditional...

With the development of science and technology, large-scale enterprises add internal regulation equipment and necessary real-time monitoring. However, traditional circuit the wiring has followed can not offer network support and gradually reveals the incommensurate disadvantages. Communication network...

We carried out the synthesis and analysis of the quasi-likelihood estimation algorithm of regular parameter of an untailored pulse with the unknown moments of appearance and disappearance observed against additive Gaussian white noise. We studied the influence of prior ignorance of the moments of appearance...

A comprehensive mathematical model has been revised to estimate greenhouse gas (GHG) emissions by urban wastewater treatment plants (WWTP) resulting from on-site activities. The contribution of individual processes and well-management levels of WWTPs to the production of GHGs in hybrid treatment system...

In order to research the performance impact of the mobile communication system from DTX setting, we test the partial section in Jiujiang city of Jiangxi province. The research shows if we import DTX technology in the mobile communication network system, it is obviously can improve the voice MOS value...

Packing in a flotation column is one way to increase separation efficiency and effective descending flotation-column height. In this paper, the two packing mode of filling packing and sieve packing is described. Based on sieve-plate packing, a high-efficiency mixed packing mode consisting of screen-plate...