Advances in Engineering Research

The rapid advancement of information technology has significantly transformed business marketing strategies. One such strategy is the use of online platforms to enhance marketing reach and increase revenue. This research focuses on the implementation of R-Mart Online, an e-commerce platform aimed at...

This paper discusses the research progress in the field of deep foundation pit monitoring and early warning in China. This paper uses CiteSpace software to analyze the literature data of CNKI, and reveals the research context, hot spots and frontier trends in the field of foundation pit monitoring and...

Paper waste poses a significant environmental challenge due to its slow decomposition rate. While paper waste can have adverse environmental effects, recycling offers a viable solution by repurposing paper into new products. To address the issue of paper waste effectively, it is essential to focus on...

We have studied a dynamic analysis of the prey-predator model that describes the interaction between pests and predators as natural enemies. The model is considering a Modified Leslie-Gower prey-predator model with the nature of fear of the growth of pests and additional food to predator. The predation...

With the extensive use of modern power electronic devices and non-linear devices, the problem of pollution of power quality is getting worse. The improvement of power quality assurance has become an important issue faced by the electricity sector. It is for this reason that power quality monitoring and...

Agricultural drainage is accounting for the largest to China's River Basin water pollution and agricultural non-point source pollution. The ecological function of drainage ditches is important for reducing the pollution. Through effective interception and conversion to preventing and controlling agricultural...

Firstly, the metro passenger satisfaction evaluation index system was established based on the real process of a single passenger, such as arriving, security checking, buying tickets and transiting. Secondly, the passenger travel satisfaction evaluation questionnaire was designed to conduct investigations...

The large eddy simulation (LES) has not been adequately developed in the entropic lattice Boltzmann method (ELBM) framework. In particular, analysis of high Reynolds number turbulence simulations using ELBM-LES remains to be done. A standard Smagorinsky subgrid scale model in large eddy simulation based...

This paper analyzes the new situation faced by the renewable energy development and new trend in xinjiang, expounds the renewable energy in the position and role of the future energy system, put forward the development strategy for the future of renewable energy targets and requirements. At the same...

The shortage of foundation bearing capacity would pose damage to miniature structures on highway, threatening the security of highway. Layered foundations are widely distributed in Northern Anhui, the traditional methods of computing the bearing capacity and additional stress disagree with the situation...

Recently, a major part of the newly installed wind turbines are of the variable-speed type using permanent-magnet synchronous generators (PMSGs), which are required to meet grid interconnection codes for fault ride-through (FRT), so as to actively contribute to system stability during a wide range of...

The zinc coatings on Q235 steel substrate were prepared by pack cementation at 400 °C for different holding time. The microstructure, thickness and hardness of the coatings were investigated. The thickness and hardness of the coating increased gradually with increasing heating time. The coating was composed...

The battlefield environment, external vibration load condition is complex, in the process of vehicle and shooting, random vibration and impact load can lead to car sight structure stress and strain of the primary mirror, will affect the performance of the vehicle sights. Aimed to study the vibration...

For the problems of our country's environment monitoring system, an environment monitoring system based on GPRS and ARM techniques is designed in this paper. The monitor uses LPC2220 as its control core which is an ARM7 microcontroller, sensors collect data of SO2, temperature and humidity, and then...

Recently, the attentional seq2seq model had made a remarkable progress on the abstractive summarization. But most of these models do not considers the relation between original sentences, which is the important feature in extractive method. In this work, we proposed a Hierarchical Neural model to address...

Nuclear industry production would produce large amounts of nuclear waste.How to safely dispose of the nuclear waste especially high level radioactive waste (HLW) became increasingly serious problem at present. This article turned out that compaction energy was an important factor of the impact compaction...

With the development of enterprise information technology, enterprise's demands for the real-time of information and data are increasing. Along with the continuous improvement of Internet and mobile terminal technology, this paper proposes a concept called ERP-based Mobile Business Intelligence (MBI)...

The quality characteristics of surface roughness and MRR of the end mill process have been considered to be optimized simultaneously. The input parameters that are considered are cutting fluid. cutting speed. feeding speed. and depth of cut. Optimization is carried out using the experimental design of...

This paper reports existing studies on the influence of the number of blades on vertical axis wind turbine (VAWT) performance. Wind turbine blade is an important element in the conversion of wind energy to electrical energy, because of their ability to convert wind kinetic energy, even at low wind speeds....

Under the dual driving force of national “double carbon” strategy and lightweighting of rail transportation, aluminum alloy welding is facing the urgent demand of “high quality, low consumption and green”. Traditional laser welding is difficult to meet the stringent requirements for weld strength and...

An increasing number of researchers have begun to use depth sensors in their studies due to the drop in sensor prices in recent years. In computer vision, depth provides a wider range of useful information. In sports, baseball and softball pitchers are typically unable to self-evaluate their throw quality...

With PhoneGap method, developers can use Web technical which correspond to the W3C standard developing native mobile application. According to call the API of PhoneGap, Web applications can communicate with the SDK API of the mobile platform which using by the developers, and then, they can use the native...

By analyzing of typical op-amp differentiator circuit considered the op-amp amplitude-frequency characteristic, we give out a design of sine-wave oscillator based on an improved op-amp differentiator. This oscillator is not only the output sine wave harmonic distortion very low, but also easy to design...

Fractured-vuggy carbonate reservoirs have various types of units, and making full use of the well test data to study reservoir characteristics is quit important to enhance oil production. However, conventional analytical well test model cannot consider the positional relationship of well and fractured-vuggy...

Bi2Te3 thin films grown the substrate with 80 nm in diameter have been prepared by using magnetron sputtering technique. The structure of thin films was determined by X-ray diffraction experiments. The average grain size and particle size in these powers were measured by the line profile analysis method...

In view of the characters that specimens of the integrated transmission are not sufficient, the failure modes are various and available data are not enough, this paper proposes a method utilizing experts’ experiences, similar products and typical design parameters to predict reliability. First, analyze...

Northern Sea Route is known as a new route with complex navigation environment. It will greatly shorten the distance between the Far East and Europe. This article systematically analyzes the sailing conditions of Northern Sea Route and the main factors that influence the navigation environment. An evaluation...

This article focuses on the subject of iron ore. Though analyzing the relationship between iron ore consumption and economic development about China and American, it is found that the per capita consumption of iron ore in China was too early, which is not conducive to economic development. Through elaborating...

Quadratic stability is an important performance for control systems. In this paper, the model of Buck Converter in DCM is built based on the theories of hybrid systems (HS) and switched linear systems (SLS) primarily. Then quadratic stability of SLS and two switching rules based on state feedback and...

Books are the carrier of human civilization with the help of words, symbols and graphics to record the human thoughts and emotions which telling the historical development process of human civilization. As an important part of books, book binding plays a very important role and has the independent aesthetic...

Longitudinal vibrations of vertical bar of harmonic and random disturbance are considered. Mathematical models of free, forced harmonic and random vibrations are described. The methods of d'Alembert, separation of variables and finite differences are used. To determine the eigenvalues of boundary value...

To study the function and effects of L-cysteine on the separation analysis of inorganic divalent mercury [Hg(II)], methylmercury (MeHg) and ethylmercury (EtHg), the separation, transformation and signal intensity of mercury speciation were investigated with liquid chromatography coupled on-line cold...

We present a multichain slip-spring model with fluctuating number of entanglements for dynamics of dense polymer melts, which is based on the single chain slip-spring model by Likhtman. By introducing the exclude volume interactions, a multichain version of slip-spring model can be presented with little...

The products of intelligent design are rapidly growing in popularity around the world and are having increasing impact on humans' life styles. The application of intelligent materials, the basis of intelligent products in intelligent product design, is a current research hot spot. This paper, based on...

Coal is an important pillar of energy security and sustainable economic development in India. India is rich in coal resources, the rapid growth of coal demand was led with the rapid development of its economy in recent years. On the basis of systematic analysis of characteristics of coal resources, development...

Parts of assembly are mainly fixed and connected by bolts. The performance of the assembly can be affected by the dynamic characteristics of the bolted joints. Report focuses on designing a test bench by parameter analysis and achieving the dynamic analysis of the bolted joint. In the first part, the...

In the turning process, the force is a constraint factor that must be considered because a large cutting force will generally result in a high surface roughness value. Therefore, selecting suitable parameters for the turning process is necessary to minimize surface roughness (SR), cutting force (Fc),...

With the continuous enhancement of people's awareness of environmental protection and the plight of China's lack of oil, the development of electric vehicles has become a goal in China today. At present, one of the main obstacles restricting the development of electric vehicles is the lack...

BIM technology and prefabricated technology have evolved from ideal concepts to common application technologies, bringing many opportunities and challenges to the construction industry in general, and smart buildings in particular. According to the BIM model, through software technical means, to meet...

Conductive polymers are promising materials due to their unique combination of electrical conductivity, lightweight nature, and mechanical flexibility. This research is focused on the synthesis of polyaniline (PANI)-carbon nanofiber (CNF) based conductive polymer and their ternary nanocomposites comprised...

Mount Merapi is one of the most active volcanoes in the world and produces large sediments when it erupts. The Progo River is included in the Mount Merapi area, so this river will be affected by material from the eruption and has the potential to significantly change the morphology of the Progo River....

The photo-electrical properties of few-layer WS2 nanoflakes, fabricated by mechanical exfoliation, were systematically studied in this paper. The few-layer WS2 FETs are n-type and possess a high gate modulation (On/Off ratio is larger than 104) and a relatively high carrier mobility ( ). The photo-electrical...

Currently,there are some limitations of twxisting ways of obtaining the key parameter of quad-rotor aircrafts—mechanism analysis method and experimental method,that the first one is not adapt to varied environment and need a large amount of computation,the second one especially refers to wind tunnel...

Objectives: To prepare curcumin tablets, and evaluate their in vitro dissolution. Methods: Curcumin was dissolved in acetone, wet-granulation and tableting. The amount of Poloxamer 188 and Gremophor RH40 were chosen as factors, and the in vitro dissolution at 120 min was used as evaluation index. The...

In order to study the dispersion effect of chopped carbon fibers in fluid medium, an experiment was designed to disperse carbon fibers by explosion in the air while another was by ultrasonic waves in mixed solvent of ethanol and acetone. A characterizing method has been set up based on the number of...

In order to investigate the the mathematical model considering the skewness-parameter, which covers the shortage of long-span bridge in sensitive parameter analyzing. Random variable along with its statistic probability model is taken. The application of influence coefficient helps to build up a determining...

As a new type of energy, coal-bed gas plays an important role in the national resource structure. This paper introduce the principle and process of gas recovery of single coal-bed methane well, according to the analysis of faults occurred in the system of gas recovery of single coal-bed methane well,...

Aimed at that there are large numbers of users visiting high-level athletes’ management system, the control model of traditional access can’t fully meet the weaknesses of these requirements, proposing the idea of multi-rights management based on ARBAC02 model and establishing a new rights management...

In this paper, the new requirements for urban-rural planning management proposed in the Third Plenary Session of Eighteen have been discussed. It is advised that it is necessary to focus on the public interest, strengthen the supervision, improve the administrative transparency, improve the government...

A simple method to fabricate pyroelectric sensors array using standard semiconductor process on Silicon substrate was investigated. 600 nm porous SiO2 film was prepared by spin coating, working as ultra-thin thermal insulator. Good insulation property was achieved owing to its extremely low thermal conductance....

The ecological environment problems in open pit mining and the present situation of coal mining are analyzed. The traditional open pit mining aims at pursuing economic interests, which leads to serious ecological environment problems. Open pit mining will cause the comprehensive destruction of the solid...

Reinforced earth retaining wall is a kind of retaining wall which can bear lateral pressure of soil, which is made up of fill, stressed geosynthetics and retaining blocks. It can enhance the strength and stability of soil with the interaction between the reinforced material and the soil by arranging...

Companies operating in geographically dispersed locations require a management control system that allows global access to information, related the performance of different units, allowing all level of management to follow up and intervene when is necessary. Expansion of business to isolated areas with...

The morphology and dynamic mechanical properties of epoxy modified asphalt(EMB) were studied using dynamic mechanical analyzer (DMA) and fluorescent microscopy (FM). DMA results showed that dynamic modulus and storage modulus reached a maximum value when 5 wt % epoxy resins were added. However, the dynamic...

The article substantiates the importance of environmental safety and labor protection in industrial enterprises; special attention is paid to the content of fine dust. The problems of trapping fine dust particles in a centrifugal field with the help of vortex dust collectors of CSF are considered. To...

The toll station, served as the bond to highways, has always been the bottleneck to the capacity of the highway. Based on probability distributions and queuing theory, the thesis builds the quantitative model of capacity and calculates two evaluation indicators to analyze the drawbacks of the traditional...

We have fabricated two blue light-emitting diodes (LEDs) samples with p-type electron-blocking Layer and n-type hole-blocking Layer for the modulation speed measurement. The experimental results show HBL can improve the modulation speed better for blue LED. The energy bands and recombination rates of...

As the foundation of intelligent electric grid safe and stable operation, information security involves every node of electric information systems which are difficult to manage and have a large number of users. It is important that how to promote the level of information security internal control. This...

Coil misalignment often takes place in wireless power transfer (WPT) systems. It may result in decrease of transfer efficiency and system instability. In this paper the mutual inductance model and the circuit equation of Magnetic Coupling Resonant WPT (MCRWPT) are established firstly. And the influence...

This paper presents the design and simulation of a three-phase grid-connected fast-charging system for a 12 V, 75 Ah Nickel-Metal Hydride (NiMH) electric vehicle (EV) battery using MATLAB/Simulink. The proposed system integrates a three-phase active rectifier, a DC-link filter, and a buck–boost DC-DC...

This paper proposes a new simple tree with a fixed stent makes the transplant more safe and beautiful trees. The paper in order to put forward a new type of garbage can., mainly due to the improper waste disposal and litter bins filled leak, causing environmental pollution and cigarette butts caused...

Using the independent -cultivated molecular biology method, By Next-generation DNA sequencing techniques , Gene sequences of microbial groups for water samples collected from River-lake ecotone of Poyang Lake. water samples were collected form River-lake ecotone of Poyang Lake to determine gene sequences...

In this paper, taking the Dai-nationality dwellings of different materials in JingHong in Xishuaibanna as a research object, field tests for the thermophysical properties of wall materials in the sunmmer were carried out, that have tested the temperature of wall-surface and indoor temperature, and contrast...

Electrical capacitance tomography (ECT) is a technique developed in recent 30 years, which aims to measure multi-phase flow. The image reconstruction for ECT is an inverse problem to find the permittivity distribution in a pipe. The normalized capacitance measurements are needed during the process of...

A higher precision reconstruction method for MTF, not constrained by the slant edge angle, is proposed. The improved method adopts new techniques of gradient operator and moving window in ESP sample refinement to gain more accurate and robust MTF estimated results. Experiments show that the new method...

PP/MMWPE/EPDM monofilament was prepared by blending modify and its physical performance and the cost was studied. The results showed that the breaking strength of PP/MMWPE/EPDM monofilament was 16.8% higher than that of PE monofilament while its knot strength loss rate is 3.8% higher than that of PE...

Charging and discharging control of centralized charging station becomes more important in power system operation. In order to achieve a load shifting and wind power stabilizing, this paper presents a two-stage optimal scheduling model for centralized charging stations based on the considerations of...

Based on the theory of breakage mechanics, the structural soil are conceptualized as binary-medium model consisting of bonding brick and frictional band. Shear band is structural soils’ breakage, localization band sprout and development is dynamic process that bonding brick is translating into frictional...

At home and abroad, smart home, after more than ten years development is getting more and more widely welcomed. Smart home technology is developing rapidly, and with the emergence of IPv6, smart home based on IPv6 is becoming a trend. Meanwhile, security and privacy protection of smart home is receiving...

The reservoir of Late Cretaceous Yaojia-Nengjiang Formation in Songliao Basin was a large-scale delta complex formed in the transgression and regression period, which had the characteristics of sand body in distributary channel, mouth bar and sheet sand. The sand bodies extended to the lacustrine center...

At present the development of clean energy and sustainable development have become the main stream source of the world nowadays due to facing the serious global crisis of resources and environment. Investigation of energy situation and occurred problems of China and some typical countries, such as America...

As a new type of energy dissipation component buckling restrained brace overcomes traditional brace s drawbacks such as compression buckling inability to make full use of material s plastic hysteretic energy dissipation function when under pressure. Buckling restrained brace also has the advantage of...

The internal flow field model of valve spool and valve sleeve annular gap was established. The model was called oil film. The fluid motion state space was laminar flow by calculating of Reynolds number. The formulas about resistance torque and leakage of the valve spool and the valve sleeve annular gap...

Airport ecological community is a prospective subject of environmental protection, and is the development direction of airport building. But there is no universal set of formal evaluation system for airport ecological community. From the connotation of airport ecological community, this paper discusses...

On the basis of the main thermal recovery wells casing damage characteristics, the temperature rise of the casing-cement is clearly defined by the simulation analysis of thermal recovery wells wellbore temperature field at the end of steam injection. Based on the theory of thick wall cylinder in the...

Silica gel was modified with N-[3-(Trimethoxysilyl)propyl]ethylenediamine, following grafted with ethylenediaminetetraacetic acid (EDTA). The functionalized silica gel was used to readily absorb Cu(II) ion from aqueous solution forming SG-Cu, via the coordination of EDTA group on the surface of silica...

With more and more schools expanding and redesigning their landscape spaces, therefore their outdoor furniture’s shape, dimension, quality and usage are also changing and redesigning. One of the significant changes in the design process is to take users’ needs/concerns into account. This change is influenced...

Diseases, patients and society are closely integrated together. The role of evolution of infectious disease is associated with the design of hospital building, because of the extension characteristics of the diseases from an individual to the public in and outside the hospital building. This paper analyzes...

A Discrete Bat Algorithm (DBA) is proposed to solve the assembly sequence planning (ASP) problem. Several key technologies including the position and velocity of Bat Algorithm, corresponding operators for updating the position and the position of local search are redefined. The fitness function is established...

In recent years for refrigerated processing of poultry, development and introduction of different apparatuses operating on the principle of the direct contract with carbon dioxide have been conducted. The disadvantages of the used contact apparatuses operating using carbon dioxide are: relatively low...

For the international maritime organization (IMO) has decided to implement 0.5% of global sulfur restrictions by 2020,the paper focuses on three main countermeasures,advice on the relationship between the advantages and disadvantages of the three countermeasures shall be given.It is hoped that the plan...

This note makes a comparative study of multigranulation rough set model and generalized rough set model. It is pointed out that the pessimistic multigranulation rough set model (PMGRS) is a kind of generalized rough set model, it is induced by a reflexive and symmetric relation on the universe. On the...

This research focuses on studying harmonic disturbance conditions that have the potential to arise at DC traction substations caused by non-linear loads, namely rectifiers. In the DC railway traction substation system there is a rectifier component whose function is to convert AC power to DC. The aim...

Steam power plant is one of plant of electricity needs that has great potential in energy supply and is an alternative to electricity needs in Indonesia. This study reviews the thermal performance of a steam power plant’s condenser, focusing on its exergy efficiency and heat transfer rate over five different...

With the rapid advancement of mobile robotics, vision-based target tracking has shown great potential in intelligent warehousing, service robotics, and autonomous driving. As a key technology for autonomous navigation and environmental interaction, target tracking plays a crucial role in enhancing the...

Aircraft optical pods, the core of aviation optoelectronic systems, must maintain ≤ 0.1mrad optical axis stability under -40 ℃ ~80 ℃ temperature alternation, 10-2000Hz vibration, and 3-5g overload. Traditional aluminum structures suffer 0.2-0.5mm thermal deformation, while existing studies neglect the...

With gradually increasing scarcity of traditional energy sources and electricity load, distributed power being environmentally friendly, efficient, with flexible features has attracted wide attention. Development of distributed power generation technology and the establishment of new power grid containing...

In this paper, monitoring software based on principle and structure of distributed optical fiber fire detection used to observe the temperature of the cable laying and realize the real-time alarm is designed. It was written in Qt Programming language with cooperation of optimization design of the signal...

In view of the negligence of unbalanced development between regions in current research on the energy rebound effect in China, we provide a calculation method based on stochastic frontier production function. By using China's provincial panel data from 1977 to 2014, this paper estimates energy rebound...

The food detection data plays an extremely important and indispensable role in the evaluation of food quality. However, there are a number of detection items based on different evaluation standards for a product. The detection items can be divided into four categories: optimum index, negative index,...

In this paper, characteristics of distributed energy system powered by gas turbine and gas-fueled internal combustion engine are analyzed. System configuration scheme was designed based on meteorological condition, internal load demand and time of equipment utilization. Compared with conventional energy...

The potential energy of rain has certain potential in power generation. This article used the technology of cross flow rainwater power generation. In order to achieve the highest efficiency of rainwater power generation, this paper established a reasonable distribution model of generator in pipeline...

This topic involves graphene Nafion composite. Graphene is prepared by using hummer’s method, thus the functional graphene. The functional Graphene-nafion composite has excellent electrical conductivity, thermal conductivity and mechanical properties. Therefore, it can be used as the preparation of high-strength...

In view of the disadvantage of the current method for target detection that poor efficiency and poor real-time, a novel method of target detection based on digital image processing technology was proposed. The traditional normalized correlation template matching algorithm was improved via setting optimal...

Ground vibration resulting from blasting, has become a critical environmental issue with the increasing mining activities in areas close to human settlements and many a times the locals resist the blasting even though it is not causing damage to their structures. In general, apprehensions or perceptions...

In the process of the automated mechanical transmission operating,one pair of cogwheels are engaged with the other idling.Because both gear pairs are supported on one shaft,the states of them will be mutual coupling.By analyzing the meshing stiffness,mesh damp,support stiffness and coupling state via...

Based on the analysis of current developing state of graph theory, define the description of spacial moving capability of common couples and translation base and rotation base of mechanism, based on the new description method in topological graph theory. DOF(degree of freedom) of hybrid mechanism analyzed...

Technology has evolved, especially in the field of air transportation. The dynamic of air transportation technology have seen through the competitions between airports all around the world, when the airports strive to serve as many passengers as possible and provide modern infrastructure along with the...

The surcharge preloading method is reproduced numerically in this paper. The plastic vertical drain is simulated using the drainage surface and the embankment is represented by equivalent load. The results show that the settlement and the pore pressure are correct, which can be used for the future engineering.

This research aimed to study the effect of retardants concentration on the inhibition of apical shoots of rubber rootstock and analyze the relationship between the apical bud dormancy and grafting success relating to the influence of retardants. The study was conducted in the Teaching and Research Farm...