Advances in Engineering Research

This paper presents a method which improves the thickness of the prediction model. At the same time, it builds up a SVM prediction model based on MATLAB simulation experiment. By comparing the simulation curves of the mechanism model and SVM regression prediction, it apparently can be seen that thickness-output...

With the purpose of analyzing the pressure and deformation of the two rotors’ blades of contra-rotating fan under variable speeds, the research takes the FBD5.0/2×7.5 mine contra-rotating fan as an example, establishes a 3D physical model of contra-rotating fan’s entire flow passage, and adopts 3D infrared...

Big data are affecting our work, life, even economy and the development of the society. The Big Data era has already come. This paper first sketches the basic concepts of big data, typical 4”V” characteristics as well as related application fields. Next, the paper summarizes the processing technologies...

Numerical study of two dimensional lid driven triangular cavity flow is performed via using lattice Boltzmann method on low Reynolds numbers. The equilateral triangular cavity is the first geometry to be studied, the simulation is performed at Reynolds number 500 and the numerical prediction is compared...

In this study, a novel Ce doped Ti-based SnO2/Sb electrode (Ti/SnO2@Sb@Ce) with high overpotential and high catalytic activity was prepared by two-step method. The nano-scale film was formed with the help of an additional step of hydrothermal synthesis process contributing to produce more -OH radicals...

In this paper, different exciting methodsof active thermography, including the pulsed flash lamp exciting, halogen lamp step heating and ultrasonic exciting, were applied to detect different kinds of defects according to their different heat build-up properties. The results showed in the paper reveal...

In this paper, we present a path planning for mobile robot based on improved ant colony optimization algorithm. In order to increasing the algorithm’s convergence speed and avoiding to fall into local optimum, we proposed updating the pheromone residues. Experiments show that this method is effective...

Haze pollution has become one of the most serious environmental problems in China, especially in Beijing-Tianjin-Hebei region. Chinese government has issued a haze control policy in 2013, which aims to alleviate haze pollution through reducing emission of air pollutants. However, there is a doubt whether...

This paper presents the unified mathematical model well applicable for the analysis and design of the planar and spatial cam mechanisms of all categories in terms of the differential geometry and meshing principle, exploring the interrelation of the various cam mechanisms. The general-purpose CAD/CAM...

In recent years, the Beijing construction in accordance with the philosophy of environmental protection, solid depth to carry out a series of policies and measures, such as rural energy structure optimization and adjustment; rural residential seismic energy-saving; village green landscaping. If displaying...

The aim of the present research was to prepare an organic iron compound, Lycium barbarum polysaccharide iron complex (LBP-Fe), and evaluate its antioxidant abilities on scavenging super oxide radicals and DPPH radicals in vitro. LBP-Fe was prepared by chemically modification using chloride ferric and...

The paper judges China’s regional economic growth convergence and analyzes its time-space pattern in 1998-2009 from the county scale with spatial Markov chain statistics method. The research results show that the stability of convergence clubs is featured by belt differentiation, and expressed as being...

At present, Cyanidation is still undoubtedly the most important and widespread of the various hydrometallurgical technologies that were used in the extraction of gold and silver from primary ores and concentrates, Metallic zinc has long been known as being a good precipitant for precious metals from...

The article presents the results of studies of diversity of species and condition of cenopopulations of Inula L. species in ecotopes of the Central Caucasus on the example of Kabardino-Balkaria republic. Inula L. genus is represented by Inula helenium L., I. orientalis L., I. magnifica Lipsky, I. grandiflora...

Movable water saturation can accurately evaluate the formation of gas and water layer. It is an important parameter to guide the development of tight gas reservoirs. Engineering often used single factor of porosity to estimate saturation of the movable water. And in the formation of strong heterogeneity...

In order to improve the micro-high-speed centrifugal pump cavitation performance, to understand its internal cavitation characteristics. The internal flow field of the centrifugal pump model established by UG was simulated by CFX software. The performance of the centrifugal pump in different speed, flow...

Monitoring harmonic in power grid is particularly important because harmonic will seriously affect the quality of power energy. Based on a high-performance 32-bit processor STM32F103 and a electric energy metering chip ADE7878, a harmonic monitoring device is designed for measuring 2-31 harmonics in...

The paper presented an economic and efficient method of "anaerobic SBR - UASB - SBR " for disposal mature landfill leachate with high COD, ammonia nitrogen concentration but low B/C ratio . Started up the unified process under 500% reflux ratio whose inflow of water maintained 3L/d . Improved the reflux...

PV and energy storage integrated grid-connected converter (GCC) is used popularly in distribution generation (DG) system. As there is a significant increase in the size and capacity of grid-connected power plants, the stability and reliability of the grid become more important. Different from the traditional...

Hydrolysate of steam-exploded wheat straw (SEWS) was used as the carbon source of xanthan production. The effects of common inhibitors generated during steam explosion on xanthan production were evaluated; a combine method was used to improve the fermentability of enzymatic hydrolysate of SEWS. All the...

The Minjiang river basin resources are very rich, but the water and other natural disasters happen often; Infrastructure construction is weak, and the ability to resist disasters is low, economic development relative lag; Ecological environment destruction by artificial and natural factors, in order...

With the extensive application of information technology, Industry informatization has been developed rapidly, but the network security issues where come from business networks, the Internet or caused by other factors is increasingly appear in industrial control systems. This paper is designed a security...

Organic Rankine cycle is an important means of waste heat recovery technology, this paper is mainly review of organic Rankine cycle principle and system composition, and introduces some practical application of organic Rankine cycle.

The shipping industry has been in a slump in recent years. At the same time, internet thinking has brought great influence to the shipping industry. The shipowners have been exploring new business models, and the relationship between the shipowners and the shippers is in a delicate state. Under the new...

The B2MML[1] (Business To Manufacturing Markup Language) based on XML[2] is an implementation of communication specification, to exchange text information. Based on Web Service and ISA95[3], B2MML technology was designed and implemented into as a MES integration interface scheme. The scheme is with the...

According to the national requirements of the Power Grid Corp, Our company will replace the existing single-phase into single phase electric meter of intelligent rate controlling, in order to achieve the function of remote meter reading. Customer service center measurement room needs to undertake the...

The same problem faced by nonparametric accumulation and coherent accumulation is that the high velocity motion and low radar repetition of the target cause the echo envelope to move seriously, and it can not be accumulated without using the effective method for distance correction. The Hough transform...

As the main backbone mode of transportation in China, railway transportation is of great significance for the study of energy consumption influencing factors. This paper analyses the background of railway goods transportation and energy consumption in our country, and on the basis of summarizing the...

This study is to develop an outranking method to identify compromised groundwater remediation strategies based on interval-valued grey fuzzy sets in 10-year and 20-year periods under uncertainty. The interval-valued grey fuzzy sets that could quantify the ambiguous nature of subjective judgments, have...

With the rapid development of China's social economy, the demand for power is increasing, and the construction of the power distribution network is valued by the power supply units. In the power distribution network, live work has a certain risk, so the operational team of high level should be built,...

In this paper, the power system blockset in Matlab/Simulink is applied to build a one-machine infinite-bus system to simulate the actual power system. The power system static stability will be discussed according to the severity of disturbance. Also simulation analyses and improvement measures will be...

Aiming at the crack phenomena in prestressed concrete continuous box girder bridges at present, on the background of Modaomen Bridge in Guangdong province, the influence of shrinkage and creep on crack resistance for PC box girder bridges is studied and discussed in this thesis. In the three-dimensional...

The purpose of this paper is to explore the unique interaction relationship between the Chinese enterprise internationalization and the WTO multilateral trading system, referred to in this article “the strong coupling relationship”. In 13 years since China’s accession to the WTO, its trade and FDI have...

According to the new standard of China, the effect of water binder ratio and the strength grade and mineral mixture on the resistance of concrete to sulphate attack was studied. The results of the study show that, reducing water binder ratio to enhance the strength of concrete can improve the resistance...

The impact of information technology on social life is comprehensive, it is micro-teaching model, the development of information technology provides a way to achieve a more diverse and more superior teaching effectiveness for micro teaching, development of web-based information The interaction that is...

In order to improve the accuracy of motion control, a turning model under steady state conditions of Tracked Mobile Robots (TMRs) is provided, based on considering tracks slipping. With making the sprocket rotating speed ratio of inner track to outer track independent variable, the turning of TMRs under...

Aiming at ice accretion on wind turbine blade causes power production loss and affects its normal performance safety, a novel hot air blower de-icing technique for blades was researched. The numerical simulation for the whole profile of blades was applied, and flow distribution of the blade and heat...

Life prediction of parts under complex loads has always been an important research topic in mechanical engineering design. In order to make the results more accurate, the stress correction formula for the asymmetric cyclic stress is derived mixed strength degradation law and the characteristics of 45...

This research uses a NodeMCU ESP8266 microcontroller and an INA219 sensor to monitor voltage, current and power in a solar power generation system, then the data will be sent via the internet to Blynk. The monitoring results are read on the LCD and smartphone by testing the solar panel unit...

The application of multimedia technology in college music teaching has important practical significance. The article analyzes the effect of multimedia technology in music teaching and discusses the optimization of multimedia technology in music teaching on the basis of the principles adhered to from...

It is hard to get the pressure of high speed water column on the inner barrel through the gun water-projectile test. In order to optimize the design, the calculation model of the pressure in the body tube is established. Two dimensional numerical simulation was carried out for gun water-projectile test's...

Objective:To purify and characterize the allergen extracted from fresh Amaranthus stamen. Methods:Extraction of fresh Amaranthus stamen was prepared and analyzed by SDS-PAGE. The protein bands were visualized by staining the gel with Coomassis blue and analyzed by Western-blotting with serum from allergic...

With the energy crisis and the further optimization of EEDI for new ships from International Maritime Organization, the Sail-Assisted becomes the developing direction of ship in the future. Aiming at the wide application prospect of the Sail-Assisted in the ship, introduces the application of Sail-Assisted...

Considering the various experimental conditions, we carried on the study applying EM (Effective Micro-organisms) stock solution on polluted urban river water purification. Experimental results showed that EM technology on restoration of urban polluted water bodies had a more significant effect, the accumulated...

UIC gateway built on UIC556 standard can realize inauguration, process and message data effective configuration and communication between different manufacturers EMUs. With valid configuration of node monitoring database, process data can be properly transferred to the WTB (MVB) bus through filtering...

Among various attacks against watermarking security, copy attack can embezzle other people’s copyright information, which brings challenge to copyright protection of digital works. In this paper, a new watermarking algorithm based on information layer encryption is proposed. This algorithm uses two keys...

In recent years, with the accelerating process of urbanization in China, China's construction industry has gradually entered a period of rapid development. The continuous updating of science and technology has also enabled modern construction technology to be continuously improved, and the quality of...

In this paper, based on experiments, by study the nanoparticles crystallized in Cu-Fe alloy, research possibility to form situ nanoparticles dispersion in matrix of immiscible Cu-X alloy. Nanoparticles of Fe-rich dispersed in copper alloy were obtained by experimental methods. Confirmed by adding elements...

Pinnapuram Integrated renewable energy storage power plant is a revolutionary illustration of world’s first and largest GW scale integrated renewable energy generation by mixing solar, wind, and pumped hydro energy storage components for the reliable and sustainable delivery of an energy supply. Pumped...

Brain-computer interface (BCI) technology realizes human-computer interaction through direct analysis of neural signals, and has strong application potential in the field of medical rehabilitation and intelligent equipment. However, the high power consumption characteristics of traditional front-end...

In recent years, more and more racecar teams are starting to use electric powertrain systems in their racecars because of the superior torque and power characteristics. The need for a comprehensive study on electric racecar has risen over the last few years. In order to help racecar teams to make informed...

Spatial information can not be contained in the statistical feature of hue-saturation-value(HSV) color histogram, moreover, which is not robust for the videos with the similarity of background information and affected by illumination. Therefore, a new video shot segment method based on HSV histogram...

Relatively mature methanol reforming PEMFC products have been produced domestically, and power generation efficiency of the whole system can reach 30%, but most of the waste heat is not used. Based on an experiment table of methanol reforming PEMFC system, a large mount of data about the internal temperature,...

Analyzing morphological transformation over a long history of time is deemed an effective way to identify the problems occurred in the process of urban development, in addition to achieving a fundamental understating of the socio-cultural changes and growth rooted from the context. Whilst numerous redevelopment...

Urban metabolism and urban morphology have become a bilateral entry point to solve the disorders of urban ecosystem. By analyzing the concepts of urban metabolism and urban morphology, a symbiotic relationship is defined within the urban ecosystem: urban metabolism is the inner core of the urban ecosystem,...

Jacket transform inspired by the well-known Hadamard transform, has been attracting more and more attentions due to its orthogonality, simpleness of its inversion and fast algorithms. It has also been applied to signal processing, image compression, mobile communication, quantum coding, and so on. In...

The activated carbon is a kind of adsorbents which has ample internal pore structure and high specific surface area, widely applying on chemical industry, pharmaceuticals, metallurgy industry, agriculture and environmental protection. The effects of operation parameters such as impregnation ratio, activation...

In this paper, I firstly expound the status of offshore wind turbine, which leads to the currently existing small vertical axis wind turbine technology gap. The following I simple introduce several common vertical axis wind turbines, their advantages and the Marine vertical axis wind turbine structure...

The purpose of this paper is to analyze the force status of a single transmission line tower suitable for DC UHF transmission in the vertical direction of the main line. Using the method of theoretical mechanics and material mechanics, the top hamper and the main column are regarded as rigid body, and...

The structural and electronic properties have been calculated with increased occupancy of fluorine upon hydrogenated silicene using first-principle DFT calculations. The indirect band gap has been observed for hydrogenated silicene. Band gap behavior has been changed with increasing fluorine occupancy...

This paper focuses on the problem of computing container routes in an intermodal transportation network which is considered as a multimodal multicommodity network flow problem (MMNFP). According to the characteristics of sea-rail intermodal networks in China, a container routing model is proposed taking...

The condition of secondary circuit directly determines whether mechanism box can be electrically operated, and qualification of the maintenance of the whole equipment depends on whether electric operation is in place and meets the requirements. Therefore, maintenance of the secondary circuit is the beginning...

In order to analyze the relationship between structural characteristics and toxicity of aniline and phenolic compounds in leather chemicals, the molecular connectivity indices, the molecular shape indices, electrical topology status relationship indices and electrical distance vectors of 36 kinds of...

Through static tests, this thesis studies the ability of activated alumina for absorbing the fluoride ion in fluorine-containing bitter salty water at Fuxin area, and fluoride ion in the regenerated liquid formed in a way that the original water sample is treated in a regeneration way with aluminum sulfate...

In this paper, we will illustrate the mechanism of metastability issues in ASICs designs that are driven by multiple asynchronous clocks. In order to solve this problem, effective synchronization method is described first. Using the proposed design techniques and optimization methods, metastability could...

The damage variables were defined by the microstructure of rod-shaped eutectic with parallel nano-micron fibers. The maximum strain criterion was used for determining the loading function. According to the attenuation characteristic of eutectic rigidity, the critical fracture stress of the damage rod-shaped...

This paper analyses the existing problems in the development of the balance of urban and rural education, and then explore some strategies to promote the balanced urban and rural education development in the education information construction. In order to enhance teachers' IT application ability, we...

For the aim to solve the difficulty in 3-way prestressed concrete box girder bridge widening, a new flexible horizontal stitching structure based on the transverse stiffeners is proposed. The two flange plates between the existed box girder and new one will be separated structurally, but connected with...

This paper reviews the results of botanical studies of the plant cover of natural forage lands of Chechnya and adjacent territories with the goal of developing recommendations for their sustainable use and protection. The study reveals the typological structure and territorial distribution of acreages;...

multi-connection database query optimization belongs to a kind of typical complex problem and cost of optimal query strategy obtained from traditional Particle Swarm Optimization Algorithm is relatively high under some conditions and it is easy to fall into local optimal solution. Based on Quantum Particle...

The function of components and the theory of oil-paper capacitive bushing are introduced by analyzing its contracture, and the electric properties of insulation materials are instructed. The reasons and damages of lack of oil are proper illustrated, and the judging methods are offered. The distinguishing...

Riemerella anatipestifer (RA) is a Gram-negative rod-shaped bacterium associated with epizootic infections in poultry. RA infection is probably the most economically important infectious disease of farm ducks worldwide. The complete nucleotide sequence (1593bp) of RA RagB/SusD gene has been identified...

With the rapid development of the electric vehicle (EV) industry, traditional wired charging methods have gradually exposed problems such as insufficient convenience, interface wear, and safety hazards. In order to meet users’ demand for convenient and efficient charging methods, wireless charging technology...

Requests based on the small pure electric automobile lightweight to the pure electric automobile two grades of automatic transmission transmission devices carries on the design. Including transmission gearbox transmission system the computation and main gear box design of scheme of arrangement and gear...

This paper studies the flexible job shop scheduling problem under the condition that with parallel processes. In this paper, we analyses the characteristics of the process parallelism in the job shop scheduling problem, puts forward the concept of parallel efficiency, establishes the flexible job shop...

With the strong support of the government, China's new energy automotive industry has developed rapidly, and the quantity of the waste EV batteries have been produced. From its huge quantity, environmental protection and resource regeneration point of view, waste lithium-ion batteries have a high recovery...

PC bridges with box girder has been built a lot for recent years, but an outstanding problem is exposed in most built PC bridges with box girder--cracks during the process of construction and operation, which do great harm to the normal use, safety and durability of bridge. This paper analyses the main...

In order to optimize the shell structure of the shearer ranging arm, the force of the shearer drum is analyzed, and it used three-dimensional software Solidworks to establish the shell entity model. The structural static analysis of the shell is implemented by ANSYS software. Then it attained the static...

In this article, we will study the principle of photo catalytic reaction and explore the chemical reaction occurring in the process of deodorization of industrial wasting gas with the combination of the actual situation of Chinese modern factory .We will analyze the reaction principle by using some actual...

This paper puts forward the highway tunnel electromechanical devices’ operating parameter monitoring system is composed of two parts: monitoring network and monitoring management system. Monitoring node puts monitoring data into the database while Monitoring management system chooses MySQL database under...

This paper introduces a new smart home system with low-power, scalability and highly security. The system takes the relatively high performance STM32 chip as the core of data processing, and integrates high-precision resistive touch screen, ZigBee wireless sensor control network, GPRS remote data transmission...

With the rapid development of economy, our country's marine transportation passageways get more crowded. Especially in the region of Taiwan Strait, crude oil import in East Asian districts as well as the transportation between lines in the North and South makes traffic busier than ever before. Besides,...

A proper design of energy storage system (ESS) can effectively smooth the photovoltaic (PV) output power fluctuation, lower the cost, as well as improve power quality and stability. According to the response characteristics of different energy storage equipment, in this paper, a hybrid ESS is applied...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

Explosive spalling behavior of reactive powder concrete (RPC) exposed to high temperature up to 800 ºC and the influence of steel fiber and polypropylene (PP) fiber on it were investigated in this experiment. Results show that RPC specimens encountered severe explosive spalling. However, adding PP fiber...

According to wet clutch friction temperature is too high, excessive thermal stress, and other issues during the engagement. It adopted ANSYS workbench software for finite element analysis and introduced direct coupling method to complete simulated calculation and analysed of the temperature field and...

Shield tail grease is very important to the tightness and durability of shield tail structure,and the consumption is very large as well as the construction has been accelerated. At present the related indexes of shield tail seal grease has no uniform standards, in the actual construction process for...

In this paper, the fuel consumption, vehicle emission and acceleration performance of two LNG bus were tested and compared by the heavy-duty chassis dynamometer and CVS emission test system. The reducing emission technology of two LNG bus respectively are the lean-burn with oxidation catalytic aftertreatment...

According to the research and field tests on campus architecture in Jiangsu province, which indicates the current situations and problems existing in college buildings, this paper tries to put forward several skills on greening transformation which are based on the principles of greenization and local...

In order to ensure the power supply reliability of transmission lines, reduce bird damage caused by the distribution of accidents, for the characteristics of birds, practical programmes, enhance the security of transmission line operation.

To change the combustion performance of polystyrene plates, the thermosetting phenolic resin/Al(OH)3 solution retardant, a method of flame retardant coating was used. By the analysis of the main preparation process, a kind of thermosetting polystyrene insulation board was made, and the problem between...

The optimization problem of vehicle distribution routing could be summarized as vehicle routing problem (VRP). The paper simply introduced logistics distribution VRP, established the corresponding optimization model of distribution routing by Dijkstra's Algorithm and Savings Algorithm based on MATLAB...

Skull stiffness of children is of great significance to protect brain tissues during traffic accidents. In this paper, the effects of skull stiffness on traumatic brain injury (TBI) are investigated by using a validated 6-year-old child head finite element (FE) model according to Chinese standard GB/T...

The morphology of the natural sand in the southwest of Buguli desert, Xingjiang, China, has been studied to determine the sand-mass flux of the wind-sand flow, sand particle size distribution and morphology distribution. The results show that, when the average wind speed is 6.7m/s 2 m high from the ground,...

A variety of theoretical and practical work exists on Petri-net-based optimization algorithm. However, the efficiency of optimization is still the bottleneck of its application, especial for NP problem (e.g., Flexible Manufacturing System (FMS) scheduling problem). In order to improve the optimization...

In the operation of Wind turbine generator system has the fierce system vibration, which has the very tremendous influence on gearbox's movement precision and gear's life. As for the complexity of gearbox's structure and working conditions, it is necessary to research on the vibrate question of wind...

This paper presents a virtual structures in multi-UAVs formation flight via consensus strategies. By using consensus strategies, each UAV can track coordination vector, the desired formation shape can be preserved accurately. For the multi-UAVs control problem, applying a novel base-on outdated and predicted...

The congestion of toll plaza seriously damages safety and smoothness of highway. In order to induce driver to reasonably choose charging channels, to improve the efficiency of toll station, and to relieve the congestion problem of highway toll plaza, this paper, considering drivers as the object of study...

Due to the characteristics of the operation of the wind turbine and the capacity of the converter and the rotor current and other factors, the use of wind turbine to adjust the system frequency and voltage can not fully meet the requirements. And energy storage equipment has the advantages of flexible...

Scholars at home and abroad have done lots of research on feature selection methods in Chinese text classification, such as document frequency (DF), information gain (IG), and a -test (CHI). On the basis of their work, we propose a new selection method of counting the unbalanced degree of term distribution,...