Advances in Engineering Research

According to the PVT high pressure physical parameters of oil and gas, Using the PVTI in reservoir numerical simulation software Eclipse to determine the phase characteristics of the fluid, fitting the basic parameters and building component model, using the GEM modular program of CMG to calculate the...

Long-term coal mining under villages in our country has caused subsidence and deformation of land surface, large areas of farmland and houses has been damaged and the villages are no longer liveable. It is imminent to find a reasonable villages relocation method. This study improved traditional “occupation...

Evolvable Hardware can be used to design circuits automatically. The main difficulty of applying real-world applications is its scalability. This paper focuses on improving the scalability of combinational logic circuit evolutionary design. We proposed a complex circuit design method combined Generalized...

The major assumption is that the total number of cabs in a city should meet two requirements: a) the average customer waiting time is 15 minutes. b) less than 10% of customers end up waiting more than 25 minutes. Now we take a town named Ithaca as an example to work out the optimal taxi quantity. We...

In order to estimate the geological and structural rock mass characteristics in the site of upper course cofferdam of water inlet, gate shaft of water inlet and Sd1 district in south bank expansion project of Kariba south power station, Some experimental investigations were done based on the acoustic...

Along with the information technology rapid development in social each domain, also has been widely used in military operations, caused the significant changes to the way the military operations, but also to the integration of modern war, precise, intelligent direction development, equipment support...

The work proposes the model of turbulent transfer in a boundary layer, which reflects the influence of periodic control actions on turbulent transfer factors. It provides the opportunity of reasonable turbulent transfer management. The list of actions, which influence turbulent transfer intensity, is...

Objective Phospholipids are one of important factors in Hyperlipidemia development. To discover relationship of Hyperlipidemia and phospholipids, we carried out this study. Methods: We carried on the bioinformatics study on the relationship by Cytoscape software with Agilent Literature Search and ClusterONE...

In order to ensure the good fracturing effect of horizontal well in the Sulige gas field, block SuX of Sulige gas field was used as an example, the typical horizontal wells of different fracturing mode were selected. According to the different reservoir conditions, the fracturing mode of horizontal well...

This experiment was conducted to evaluate the effects of dietary lipid level on growth performance, activities, and gene expression of related lipid metabolism enzyme of common carp (initial average weight (36.12±1.18)g. Five experimental diets with increasing lipid levels of 2.1%, 4.0%, 5.8%, 7.6%,...

Photovoltaic power generation, with the advantage of renewable energy and convenient installation, has been widely used in distributed generation in distribution network as the technology gradually developed. Grid-connected photovoltaic power generation station not only changes the structure single terminal...

The programming principle of calculation software for parallel composite isolated system and the superiority of the MATLAB over other advanced programming languages are expounded. Based on the above software, the seismic time-history results of an example of parallel composite isolated system are calculated....

With the rapid development of Mongolian information technology and the closer communication within different nationalities, machine translation between Mongolian language and Chinese becomes more and more important. Traditional Mongolian-Chinese machine translation has achieved fruitful results in recent...

The HVDC line fault location methods at home and abroad are surveyed in this paper. Firstly, the disadvantage of the existing fault location techniques of HVDC transmission line is analyzed, and it points out that the engineering applications of fault location based on traveling wave principle is most...

Anaerobic co-digestion strategies has become the development trend of biogas engineering. Most of the lab researches and engineering projects only stay on the two kinds of material mixed fermentation. In order to further solve the problem of raw material shortage and nutritional imbalance, multiple-feedstocks...

A study on assessing the tensile test of bamboo lamination using Dendrocalamus asper and Gigantochloa apus. Focus in this research is strength of Gligen (part of Anco/liftnet). Here we use bamboo laminate products with special adhesive materials. The basis for making a bamboo lamination model with the...

To investigate the reduction of the COD of coking wastewater by electro-catalytic oxidation, the electro-catalytic oxidation pilot-scale experiment was carried out using the coking wastewater treated by A2/O and the coking wastewater treated by A2/O and fenton oxidation. And the modified electrode material...

Shower comfort influences the adoption of water saving showerheads, and thus the implementation of sustainable water conservation programs. This study investigates the shower spray properties of 7 sampled showerheads experimentally and evaluates their relationships with user satisfaction according to...

Under the coordinated development of Beijing-Tianjin-Hebei, accurately grasping of the feature, conception and method of big data is important to improve traffic service in the new height and starting point. By experienced and theoretically analyzing, the enhanced reliability is considered to be the...

The dewater ability of oily sludge by application of Fenton's reagent and sawdust was investigated. The results showed that the two main indexes, capillary suction time and specific resistance to filtration, which are used to evaluate the effect of dewater ability of the raw oily sludge, were reduced...

At present, the traction supply system of electrified railways has adopted phase rotation power supply technique, the power supply mode results in electrical phase-splitting of the contact line, which reduces the capacity and safety of electric locomotive. By ensuring the output voltage strict accordance...

Experimental study on spontaneous combustion of grain dust was carried out in a cylindrical combustion chamber with vertical flow. Thermocouples and gas sample analyzer were used to measure the temperature and gas of spontaneous combustion respectively. The influence of ventilation volume, bulk density...

The time-varying meshing stiffness (TVMS) provides important information about the health status of the gear system. Tooth faults, like crack, pitting, spalling and breakage will change the TVMS. In order to comprehensively understand the vibration properties of a helical gear set, it is necessary to...

Passengers' satisfaction of service quality at airports are becoming increasingly important as air traffic grows. This research investigated passengers' perceptions of satisfaction at Halim Perdanakusuma International Airport, Jakarta, Indonesia.This study aims to find alternative solution models through...

Aluminum 6061 is a material that is widely used in the railway manufacturing industry. Friction Stir Welding (FSW) is a solid-state welding method without the addition of filler metal. FSW utilizes heat between the rotating tool and the gripped workpiece so that the heat generated is soften and melt...

This study examines how cellulose aging affects the degradation of dissolving pulp quality during storage. Dissolving pulp, with a consistency of 10%, is stored in tanks before being processed into pulp sheets. Over time, the quality of this pulp deteriorates, a phenomenon known as pulp aging. Key factors...

This study investigates a 60-meter-long karst tunnel through a finite difference model developed in FLAC3D, incorporating pore water seepage effects. An orthogonal experimental design was adopted, constructing a standard L64.8.9 orthogonal array (nine factors at eight levels, 64 test cases) to evaluate...

This article addresses the dual demands of protection and development in the renewal of historical commercial streets, and explores the potential and specific paths of the application of prefabricated buildings. Taking the Da Jing Village in Longhai District, Zhangzhou City, Fujian Province as an example,...

IoT networks are increasing day-to-day life and due to its growing use their sizes are increasing continuously. As IoT network contains different devices supporting different platforms these networks are vulnerable to different types of attacks. There is a need for an intrusion detection system that...

The level of urbanization in our country is constantly improving, and the demand for high-quality civil housing is growing day by day. In order to improve the quality of housing and living experience, the construction industry urgently needs to promote the innovation and application of intelligent construction...

With the continuous improvement of China's economic strength, science and technology to provide a strong guarantee in the future development of our country. In today's science and technology growing, electrical systems gradually become highly integrated, meanwhile, relevant science and technology has...

Based on the technical characteristics of human-computer interaction, combined with the interface design theory, the viewpoints that divided the interface design elements into the dominant and implicit factors are raised. Meanwhile, the model that design implicit elements dominantly is established. For...

Based on the mechanism of thermal insulation, a new composite fluorocarbon thermal insulation coating (FTIC) was prepared with three different fillers of closed pore perlite, hollow glass microsphere and nano-antimony tin oxide (ATO) powder, in order to get the best thermal insulation performance, the...

BIM is used in the cost of fine management, which is significant to improve the construction cost management.Firstly, the main problems in fine management of construction cost are analyzed deeply. Secondly, the application of the BIM model, in the life cycle of cost management, is explored. Finally,...

The galvannealed coating with different Fe contents were prepared by controlling the galvannealed process parameters of hot-dip galvanized high-strength IF steel sheet, and analyzed the influence of Fe contents on the corrosion resistance of galvannealed coating. The results show that the corrosion resistance...

The electro-hydraulic proportional speed synchronization system is studied, and the system physical model is built by the advanced modeling and simulation software AMESim, and the dynamic characteristics are simulated and analyzed. In order to improve the response time, steady-state accuracy, stability...

With the development of large-scale wind turbine, the limitation of the classical aerodynamic characteristics of wind turbine research methods has become more sophisticated, and the improvement of CFD numerical simulation technology has provided a new research method for wind turbine aerodynamic characteristics....

With the development of social science and technology, people's awareness of the safety of life gradually high, face recognition technology has entered people's lives .This paper designs a face recognition system based on the depth residual network.This system is implemented in both PC and Android. the...

Micro-piles are widely used because of its own advantages, but relatively few theoretical studies about its anti-slide mechanism. Through the different pile spacing under three rows of micro pile reinforcement debris landslide indoor model experiment to study the micro-piles against sliding mechanism....

With the frequent occurrences of the violence incidents, research on body armor is paid much attention to. To study the human physiological responses when wearing body armor and to improve the wearing comfort of body armor, a thermal manikin was used to measure the thermal insulation and vapor resistance...

the vehicle maximum lateral vibration offset is one of the premises for judging the feasibility of out-of-gauge freights transport. Dynamics simulation models of single-vehicle NX70H flat were established by SIMPACK with American fifth track spectrum being the excitation, in order to discuss the change...

A new method based on fuzzy self-adaptive PID for the galvanometer control system is presented. This method overcomes some defects of the traditional PID control, such as lower control precision and worse anti-jamming performance. At first, this paper analyzed the theory of galvanometer control system...

In the research of the linear motion of the gear drive mechanism, the measuring platform of the gear rack is designed in order to measure the linear error. using servo motor directly drives the gears on the rack. using servo motor directly drives the gear on the rack, and is based on the motion control...

At this stage, the social and economic progress leads the building industry into a new period of development of civilization. Indicators of buildings is an important aspect to measure the building urban development, for people's production and life has a very important role, it will also affect the environment...

Cotton, an inexpensive natural product, was used as a precursor for fabrication of high specific capacitance porous carbon fibers for spercapacitors. Porous carbon fibers with the hollow structure, high surface area of 1620 m2 g-1 and high content of C=O functional group are prepared by one-step carbonization...

A pot experiment was conducted to study the effects of spraying with 5 different concentrations (0, 50, 100, 150, 200 μmol·L-1) of exogenous melatonin (MT) on photosynthetic characteristics of C. bursa-pastoris seedlings under 50 mmol·L-1 NaCl stress. The results showed that spraying exogenous MT significantly...

In order to avoid the erroneous judgement produced by the motor discontinuous current, which is caused by the gap between mechanical friction and mechanical transmission. the power window anti-pinch system model is set up based on the MATLAB/Simulink, and the simulation has been done. The simulation...

FLUENT was used to analyze how the shapes of buckypaper and the thermal conductivity of the polymer matrix affects the temperature distribution of composites reinforced by the flat, sinusoidal and pulse bending buckypaper when the composite materials is heated. The larger the thermal conductivity of...

The paper consists of calculation of strains in the In1–xGaxAs/GaAs heterostructure and their dependence on relation between the thicknesses of contacting semiconductors. It also features the examination of how concentration of components and relation between the thicknesses of layers influences the...

The paper studied the influence of processing parameters on the foam structure based on numerical simulation of tensile spline. Using CO2 and N2, single factor experiment method was employed to perform the experiments. In the study, volume filled at start of foaming, initial bubble radius, volume filled...

A new algorithm based on endpoints of skeleton is presented to efficiently get the number of fish in this paper. Considering the complexity of underwater environment like lack of light, this paper presents an improved adaptive thresholding method to segment the fish image better. In addition, the object...

Dragon boat sport are the traditional Chinese cultural and sports projects, the integration of national cultural connotation, mass fitness and modern athletic characteristics, is rapidly moving towards international and modern road. In order to further understand and improve the technical characteristics...

Computer-aided diagnosis has received intensive study in recent years, especially in an aging society which unforunately has limited medical resources but surging medical demands. It's a challenging work to determine health conditions with knowledge of dynamic successive long-term ECG.RR-Lorenz plot...

Taxpayer compliance is an act of obeying and being aware of taxation provisions. This study aims to analyze the factors that influence taxpayer compliance in the city of Jambi. The variables examined in the study were tax amnesty and taxpayer knowledge. Respondents in the survey were taxpayers, both...

Bangladesh is in great need to find renewable energy sources for its fast-developing industrial sectors. The main objectives of this research are to design and fabricate a small-scale efficient Tesla Turbine for remote areas and test it through experimental investigations. Performance analysis of the...

Over the past four decades, artificial intelligence technology, particularly in artificial neural networks and related methods, has advanced rapidly. Deep learning, a major branch of artificial intelligence, has proven its effectiveness in addressing various problems, especially those involving large-scale...

The dynamic world of e-commerce demands efficient recommendation systems to help users discover relevant products. However, a major hurdle arises when new users join a platform. Without any historical data, traditional recommendation techniques struggle to provide personalized suggestions. This ‘cold-start’...

The four‑bit absolute‑value detector (AVD) is an indispensable primitive wherever signed sensor data must be reduced to magnitude before thresholding, from cortical implants to wearable audio codecs. Yet the seemingly trivial operation hides a rich three‑way trade‑off among delay, energy and area that...

In view of the complex formation pressure characteristics faced by the 8000 meter exploration in the middle section of the southern margin of the the Junggar Basin, the pore pressure, fracture pressure and collapse pressure of the formation were calculated by using the logging data and GMI software,...

This research was conducted during PRALA (Sea Practice) on the MV. Double In, managed by CHH Shipping Management Co. Ltd., over a period of 12 months and 2 days. Data was gathered through on-site observations, ship documents, and photographic records, and analyzed using SPSS. The results revealed a buildup...

This study presents the design, modeling, and simulation of a high-performance optical sensor for magnetic field detection, utilizing Photonic Crystals (PCs). The sensor leverages the Photonic Band Gap (PBG) property of a two-dimensional (2D) PC to precisely control light propagation and achieve miniaturization....

In this paper, an alternative control strategy based on the proportional integral (PI) observer is developed for attitude stabilization of a quadrotor subject to external disturbances. The PI observer has a simple structure with only two parameters that are needed to tune. Moreover, unlike high gain...

With the development of information technology, large scale intelligent information system has been widely used in the field of electric power enterprise management. This paper combines data quality characteristics and the significant problems that power system faces with, Constructing the index system...

More and more (Field Programmable Gate Arrays)FPGAs were used in space missions, due to the characteristics of aerospace equipment ,such as satellite. The correctness of FPGA design was not only determined by the code, but also need FPGA design suite to complete the process which generates the circuit,...

with the large scale of MOOC on-line, which is bound to have a profound impact on the teaching methods of computer courses in our country. Based on the in-depth study of MOOC, this article points out the advantages and disadvantages of MOOC. Meanwhile, it proposes improvement methods on the curriculum...

The MoO3 samples were synthesized by rheological phase-hydrothermal method, and annealed at 450-650°C for 4h. The efforts of different annealed temperatures on the morphologies and electrochemical properties of the final products were systematically investigated. The MoO3 samples annealed at 550 °C exhibit...

The purpose of this study was to investigate the physicochemical properties of tapioca starch (TS) after micronization.The thermal properties analysis suggested that the gelatinization temperature was decreased after the treatment of micronization and decreased with increasing processing time. Solubility...

Uncertain errors induced in construction process could affect the stability of free-form shells. Considering shell thickness deviation, the stochastic characteristics of buckling loads are investigated using Latin hypercube sampling coupled with Newton-Raphson method. In addition, a sensitivity analysis...

In this paper, the research results of mechanical property and durability of high-strength concrete subjected to high temperature were comprehensively reviewed, the research status of mechanical property and durability of high-strength concrete at elevated temperature were discussed, and existing problems...

The drag reduction effects of a non-Newtonian fluid (CMC aqueous solution with 50-1000wppm) in a sinusoidal wavy-walled tube were investigated experimentally in the Reynolds numbers range from 25 to 360. Based on the pressure drop method, drag reduction was measured and the maximum drag reduction achieved...

PGP virtual disk encryption technology is a double-edged sword, on the one hand it is helpful to prevent the user’s sensitive information on the disk from being stolen or tampered. On the other hand, some criminals take advantage of PGP virtual disk encryption to engage in illegal activities. This paper...

The tamping operation is employed to restore the geometry of railway track distorted by train traffics. In order to study the micro mechanical properties of railway ballast under tamping operation, the analysis model of railway ballast under tamping operation is created using the discrete element method,...

Fractal theory is a very effective method for investigating pore-structure of fibrous porous materials, which build a bridge between micro-morphology and macro-performance. Fractal dimension was calculated based on the fractal theory and combined with computer virtual building model technology, which...

In this paper, we used L-aspartic acid, dimethyl tartrate and propionic anhydride as raw materials to prepare a new thermo-sensitive poly(N-propionyl-L-aspartic acid-co-dimethyl tartrate) (PPADT). The chemical structures of the intermediates, monomer and polymer have been confirmed by FTIR and 1H NMR...

The concentration of methane can play a vital role in choosing the application of CBM (coal bed methane) utilization technology, which can determine the utilization mode as well as the degree of difficulty. In recent years, with the rapid development of CBM utilization industry, especially the breakthrough...

We establish a three dimensional current field using Mike3 Flow Model in the Beibu Gulf. The accuracy is verified by comparing the current data with the measured data of an offshore oil platform. We calculate the wind-tide coupled current by adding the daily mean wind field. On this basis and decoupling...

There are derivative many problems from electromagnetic (EM) wave radiation with the development of communication technique. To protect the human body from the EM radiation, in this study, the antibacterial nylon (AN)/ bamboo charcoal polyester (BC-PET)/ stainless steel wire (SSW) metal composite yarns...

Wind power is one of the clean energy that has been developed rapidly in China recently. Offshore wind power is paid high attention all over the world for its advantages of less occupation of land, high consumption hours, and rich resources. The authors discuss the offshore wind resources in the coastal...

The fundamental characters and failure mechanism of the landslides related to freeze-thaw action are introduced in this paper. Monitoring of the ground temperature and the pore water pressure at the landslide located at the side of the Heifangtai loess platform, Gansu province suggested freezing can...

Long-life housing is a type of housing that can accommodate the function and performance to meet the needs of society and residents by changing and replacing infill parts such as exterior parts, interior parts and facilities that have a short life and are sensitive to social and functional changes while...

With the acceleration of industrialization and urbanization, and lead pollution of soil area in our country, blood lead happened frequently in recent years, the lead pollution of soil is a problem that cannot be ignored.This paper briefly illustrates the soil lead pollution present situation, summarizes...

This paper presents a hardware implementation of rate control system with scene change detection for constant bit rate traffic of Motion JPEG2000. The input frames are divided into groups, each group contains one key frame, and a frame which originally is not a key frame of a group is changed to a key...

This paper studied on the fatigue experiment of two CRTSIII slab ballastless tracks on subgrade under high-speed train load, one was the track structure with self-compacting concrete thickness of 70 mm (the 70's), the other was 90 mm (the 90's). The two tracks were made of 1:1 full-scale test models...

A reliability adaptive modeling method for CNC Machine Tools based on kernel function is proposed. Choosing Gaussian distribution as the kernel function, the optimal model with least integral square error as the objective is established, and cross-validation method and traversal search method are used...

Flipped classroom is a new teaching mode. The flipped classroom has injected fresh vigor into the modern classroom teaching. The analytical chemistry course was took as an example to design flipped classroom teaching model. Students should make full use of open education resources, virtual experiment...

The aim of this paper was to investigate adsorption of cupric ionin wastewater with a new type of adsorbent, namely natural oxidized celluloses(NOCs), whichwas synthesized in a specialselective oxidation system withraw cellulose. The characterization of NOCs was investigated by FTIR and the morphology...

The purpose of the study was to determine key parameters influencing the quality of cider. Six apple grades of different ripeness period were considered: Ulyanishchev's Memory, Berkutovskoye, Ligol, Rossoshanskoye Striped, Bogatyr, and Lobo. All fruits were grown in the pomological garden of Voronezh...

This paper is devoted to the development of multicomponent binders with the usage of finely dispersed mineral additives. In the course of the research it was found that mineral components of binders, combined with chemical additives favorably affect the process of structuring of cement stone, control...

Cleaning robot can provide cleaning services, which is greatly needed in the market. Matlab software can be applied to better conduct the simulation of cleaning robot controller, which can solve contradictory problems between requirements of students for the class and actual class environment, and can...

Herein there are the results of a tool and visual assessment of condition of excavations, border massif of rocks and anchor support elements influenced by flooding and further drainage, seismic and shock waves dynamic loading and high temperature short-pulse. The extent and term of the mine being under...

Due to the need of modern production, the future market of the robot is more and more extensive. In this paper, we study the trajectory planning method of robots with six degree of free and put forward two algorithms of smooth arc movement trajectory planning for the six degrees of freedom robots to...

By introducing a homogeneous kernel of 0-degree with an independent parameter ,and estimating the weight function through the real function techniques, we give a multiple Hilbert type integral inequality with a best possible constant factor, in which the best possible constant factor also contains hypergemetric...

The freezing disaster is one of the main disasters in the cold geotechnical engineering. Due to the complexity of geotechnical engineering problems, many problems can not be evaluated by the accurate mathematical model. In this paper, from the point of view of system theory, the basic characteristics...

The 'social network' which is formed by user behavior and its interact relation, could link user wisdom quickly, gather huge amounts of information, accelerate the sharing of knowledge and creation. Xiaomi community using grasping user comments or response data on community BBS section of typical products...

This study aims to identify and describe the Regional Financial Management Training Program which in principle leads to improvement. The method used in this evaluation study is a quantitative descriptive method with a qualitative study. The research design used in this study was Kirkpatrick’s model....

The development of technology is overgrowing. This will affect human life, especially in the online entrusted service business. An entrusted service is an activity carried out by someone who is travelling to a place and then opens an entrusted service for purchasing goods or sending goods. Currently,...

East Kalimantan is an area which rich in natural resources, as a Mahakam sand and local stones. They also have coconut fiber waste to increase the flexural strength of concrete. This material is still underutilized by the people of East Kalimantan. But, they prefer to use materials from Palu, Sulawesi,...

Socio-Scientific Issues (SSI) is a controversial topic that arises from advances in science and technology (IPTEK). In implementing Socio scientific issue as a learning context, it is necessary to study literature for investigating the selection of social-scientific issues. The aim of this research was...

This study explores how construction workers, site managers, and regulatory actors in urban Ghana understand, negotiate, and enact safety within the everyday realities of fast-growing cities. It aims to uncover the cultural norms, experiences, and informal practices that shape safety outcomes on construction...

To understand the influence mechanism of basalt fiber (BF) on the strength of cement-based materials (CBM), we conducted a study examining the effects of BF with different lengths on the strength of CBM through indoor single-factor tests and microscopic techniques. Our findings reveal that when the length...