Advances in Engineering Research

The post porcelain insulator is pulled by bus, which will produce stress in post porcelain insulator, and stress concentration is in the root of the umbrella. Therefore, there will be break accident if it is not installed properly. Firstly, the fracture theory of porcelain insulator is summarized from...

There are many problems about management of fixed assets in colleges and universities in China. This article analyzes the causes of these problems and then puts forward whole-process management of fixed assets which will help colleges and universities strengthen their scientific management of fixed assets....

In recent years, lithium-ion battery packs are more and more widely used in new energy vehicles. In order to improve the battery life of new energy vehicles and to solve the imbalance of lithium-ion battery packs during charging, according to different operating conditions of lithium ion batteries, The...

Based on the mathematical programming method, this paper constructs the retail CPFR-based replenishment model, analyzes the determination of replenishment strategy, and tests the model. Then, through the analysis of the sensitivity of relevant parameters, the impacts of demand and product satisfaction...

Some kinds of compound soil conditioners (i.e.,Fe1,Fe2,Fe3 and Fe4) were made from materials including zero-valent iron, sulfur and calcium hydroxide according to a certain weight proportion of them. And a soil-pot trial was conducted to test effects of using those soil conditioners on vegetable yield,...

Bean Dregs contain abundant dietary fibers (DF), proteins, fats, vitamins and microelements, among which DF takes more than 50% content thus bean dregs are good raw material for extracting DF. DF is named as the seventh major nutrients since it has many important physiological functions. It can promote...

This paper has established the robot model of three-arm and five-degree freedom increasing large scope of traversing welding and given decoupling method of model in "large scope of traversing", "triangle movement of two arms" and "spherical movement of one arm". This has completed the image of using...

TiN coatings were prepared by means of reactive plasma spraying (RPS) titanium powders, and characterized by SEM, XRD and other methods in the paper. In order to optimize spraying process parameters and get a satisfactory spraying effect, the microstructure, the hardness, the organizations and phases...

Appropriate classroom lighting environment in universities should be able to meet the needs of the students physical and mental, and it has the practical significance to improve the student' vision, physical and mental health and learning efficiency. The paper uses the subjective and objective research...

Amidst the continuous enhancement of China’s comprehensive transportation infrastructure and tourism’s emergence as a pivotal strategic industry in the national economy, the harmonious integration of transportation and tourism has emerged as a novel trend in the transformation and evolution of traditional...

Horticultural farmers’ work activities include preparing land for planting, caring for plants by fertilizing, pulling grass or weeds, spraying pests, and harvesting and processing or handling post-harvest fruit. This is not easy work, especially if the land being worked on is quite large and there are...

The purpose of this study is to reduce environmental problems by using wasted material i.e. with crushed glass. 15% crushed glass has substituted with 15% total weight of sand materials then added polypropylene fibers within RC specimens. Specimens treatment added in this case used freshwater and seawater...

The otter board is a vital component of single trawl system, of which the hydrodynamics can directly affect the trawl operation and catch performance. This paper studied the hydrodynamics of the rectangular otter board using numerical simulation, and the simulation accuracy was verified by flume tank...

In traditional FPN model,the matrix operations are too excessive and it does not meet the requirements of real-time in fault diagnosis system.The paper has improved the FPN model and proposed a CFPN(Controlled Fuzzy Petri Net) modeling method.This method has added controlled place in FPN and improved...

Since a vehicle is prone to instability under extreme steering working conditions, an Electronic Stability Program (ESP for short) is adopted. The dynamic characteristics of the vehicle are nonlinear under the extreme conditions. To control the nonlinearity, a sliding mode controller is established based...

Reaction of the nitronyl nitroxide radical NIT-CH3 with Gd(hfac)3 affords a one-dimensional lanthanide–nitronyl nitroxide compound: [Gd (hfac)3 (NIT-CH3)]n (1) Single crystal X-ray crystallographic analysis reveals that this compound is one-dimensional chain built up by Gd(hfac)3 units bridged by radicals...

Pumping station flow channel is an important part of water pumping station, and plays an important role in the running process. The construction of the pumping station flow channel currently mainly depends on the pre-assembled wooden model, and the construction quality cannot be effectively assessed....

The motion of the lost plane will be affected mainly by the wind stress, and the Coriolis force, of which the Coriolis force will be always on work. The motion of the plane after downed to the water can be divided into three steps. Our model analyzed the plane wreck’s motion in the horizontal direction...

In view of the problem that the artillery tube life is difficult to accurately forecast under the random using condition, through the analysis of the heat transfer process of the inner wall of the tube body, introducing internal heat strengthening hypothesis, the calculation method of the highest inner...

Due to the most of popular algorithms based on image retrieval have a large calculation. While the method of DCT domain have less calculation, and compatible with international popular standard of data compression (JPEG MPEG H261/263). So this paper proposes an image retrieval method based on DCT compression....

Based on investigation dada on petroleum hydrocarbon (PHC) in July, August and October 1984 in Jiaozhou Bay, we analyzed the content, distribution of PHC. Results showed that PHC contents in 1984 in surface waters were 0.01-0.16 mg L-1 and were meeting Grade I (0.05 mg L-1), II (0.05 mg L-1) and III...

In the control of CNC machine tools, the emergency stop control is essential, and it plays an important role in the operation of the whole CNC machine tool. By analyzing the scram control principle of FANUC 0I-MC CNC system, this thesis is designed to put forward the diagnosis method of emergency stop...

Robustness refers to the ability to ensure the software system execute correctly under normal or abnormal conditions in software testing. Robustness testing needs a large number of illegal and effective inputs, which are one of the key researches. The data variance is based on mutation testing, which...

Based on TZK6026 CNC lathe tool post that as the research object,using SolidWorks2010 software to build 3D entity modeling.And then through the proprietary software interface input the 3D modeling into ANSYS Workbench to Build finite element model of the cutter saddle.Then use the ANSYS Workbench to...

Anchoring cables are widely used in the construction of foundation pit as a temporary support structure. After the construction is completed, the anchor cables left in the ground will not only cause environmental pollution but also cause a great waste of resources. The emergence of recyclable cable technology,...

In heavy equipment sales, mainly by credit payment, leasing company or owner gives customer the trust to use heavy equipment or machines and pay off the credit by the project income they are working on. Agreement between the two parties is generally implemented as a contract involving day-to-day working...

Based on the concept of national hectares, the traditional model of equilibrium factor and yield factor have been amended, and the deep analysis has been conducted about the per capita ecological footprint and ecological bearing and its changing trends of Hunan province from 2000 to 2011; And based on...

This paper designs the deer shed video monitoring system based on embedded. By using the embedded technology and video coding technology, applying the real-time camera to collect deer shed on-site information, and then via the video coding technology, analysing and displaying the received video data,...

Through expounding the ecological environment situation of key district of Changzhutan urban agglomeration, the two-oriented society ecological security evaluation of index system was established. Ecological Security was evaluation. The general structure and measures for improving the security of ecological...

The constant delays of projects demonstrate that traditional project planning methods may adopt an inefficient way to manage uncertainty. To tackle problems in traditional project system, CCPM (Critical Chain Project Management) was introduced by Goldratt(1997) to identify both task dependence and resource...

The end of query is the composition of SQL statements, completed by using the graphical interface. Operator precedence grammar was combined with segmentation to identify query statement in graphic interface, this paper customized the semantic action and added correctness judgment "constraints( )", realized...

The vocational college graduates can not find work which is related to the professional. This phenomenon results in the unfully utilization of the human resources and education resources. This situation have a great impact on individuals, businesses and society. To solve this problem, proposes a teaching...

There are the main sources of pollution of soils Kuzbass are presented. The ranges of electrical resistivity of solutions containing oil and contaminated soil, depending on the degree of contamination are presented

In order to study the corn combine harvester hydraulic drive system, the hydraulic system was designed, which mainly consists of two valve blocks, eight branch circuits and other components, mainly for cutting device, snapping roll device, raking and conveying device, Transverse transport device, husker...

This paper concludes on the application of straw in rural buildings and analyses problems existed in the application .Based on this, some new ways for straw application in rural buildings are explored in order to decrease the pollution from directly burning of straw in countryside and increase the reuse...

The inorganic ceramic membrane technology was utilized to treat harbour oily wastewater. The operational parameters were chosen and optimized. Finally, with the200nm- membrane module, the optimum parameters were obtained: operation pressure was 0.10MPa, operational temperature was 303K, surrounding pH...

The paper designs a new kind of laser marking system which is based on embedded microprocessor with several functions like continuing from the breakpoint, starting from any set point, marking on the curved surface, displaying the trace in real time and so on. The new kind of laser marking system is composed...

The ad hoc on-demand distance vector routing protocol based on delay forwarding (AODVDF) is proposed aiming at the problem of extend networks lifetime due to the limited energy in nodes. The turbulence phenomena in on-demand route protocol is presented, the delay forwarding technology is introduced in...

Grind-hardening is not only a complex process coupling mechanical, dynamical and thermal effects, but a process containing distinct changes of microstructure and performances in the surface layer of the grinded workpiece. Based on the software Deform-2D, this paper simulated the distribution and variation...

Through analysis related signal ADMAS simulation during exercise of the feed mechanism,shell transfer arm,rammer of the automatic ramming organ system,set up an automatic ramming organ system state parameters test system,which is made up of a set of laser displacement sensor,encoder,angular velocity...

This paper describes an electronic system which can enable the laser gun to aim, shoot and report target automatically. This system consists of a laser gun shoot system based on STM32F103VE MCU and an impact point identification system based on MC9S12XS128 micro controller. Laser gun, placed on a two-degrees-of-freedom...

This article deals with the issues of enhanced oil recovery in terrigenous reservoirs characterized by structural heterogeneity in both the section and along the strike. As a working oil displacing agent, high-pressure gas is used, which is more effective than water-based solutions. The mechanism of...

The article deals with the problem of classification of non-normative errors in measuring instruments. The use of such high-tech methods for creating integral joints, like induction soldering, electron beam welding, diffusion welding, is complicated by the presence of errors in measuring instruments...

Taking information technology means and using big data thinking to improve the quality and efficiency of audit has become the development trend of China's audit practice. The paper analyzes the problems existing in the audit of economic responsibility in colleges and universities, such as weak audit...

The Corn Belt of Northeastern China (CBNC) accounts for about 35% of the nation' corn production in China. In the past three decades, corn yield in CBNC have increased under changing in climate and crop management. It is important to investigate the contribution of these changing factors to the historical...

As one of new generation equipment in China, the main task of one type infantry fighting vehicle is to complete the breakthrough in the battle accompanying the main tank. It has not only the stronger firepower but equipped with auto-loader that is able to raise the fire rate and shrink the outer shape...

An ultra-high order Earth's gravity field model,such as EIGEN-6C4 and EGM2008, the order and degree of its expansion are limited, there will be a certain truncation error. RTM residual height anomaly can by high-resolution SRTM data and DTM2006.0 data using prism integral method is calculated. The experiment...

The high speed hobbing of ball end mill is affected by equipment and environmental condition, workpiece materials and heat treatment conditions and other factors, led to workpiece parameters analysis calculation error is large of parameters such as feeding speed, spindle speed etc, it is need for modification...

The development of sound energy as an alternative energy source has become increasingly important in addressing the limitations of fossil energy sources. This research focuses on the selection of piezoelectric and electromagnetic technologies to harness the vibration or sound of trains as a battery charger...

The traditional district heating network faces issues such as complex planning, barriers to information exchange, and excessive carbon emissions and energy consumption. Therefore, enhancing the intelligence of urban district heating network construction in China is essential. Firstly, this paper analyzes...

The two-stage Complementary Metal Oxide Semiconductor (CMOS) amplifier features high gain, low power consumption and excellent stability, playing an irreplaceable role in modern communication, audio processing and other fields. This paper designs and analyses a CMOS two-stage amplifier that meets specific...

Hydroponic is one of the plant cultivation systems known for its high-quality products. The growth of the plant depends on the composition of nutrient solution and the plant environment. Due to its nutrient absorption process, nutrient solution composition continuously varies in the Hydroponics nutrient...

Good or bad performance embedded navigation computer system directly affects the accuracy of the navigation system and real-time, in the moment has been more widely used. Papers based on practical engineering application requirements for implementation of embedded computer navigation system were analyzed...

The interval prediction and stability analysis model of time series are verified by the manufacturing system and friction torque experiments of rolling bearings in this paper. According to the dynamic characteristics of the surface roundness error of outer ring, the stability situation of outer ring...

The design and simulation of an asymmetrical coupling quadruple-resonant bilayer terahertz metamaterial based on Electric-inductance capacitance (ELC) resonators are presented in this paper. The simulation results show that the resonant frequencies are 0.173, 0.323, 0.481 and 0.622 THz, the first two...

In this paper, the field synergy principle is used to simulate the mass transfer performance of hollow fiber membrane modules under vibration conditions. The mass transfer characteristics of hollow fiber membrane modules are investigated by changing the vibration frequency, amplitude and fluid velocity....

This paper briefly introduces the clothing poster, explains the process of making this poster and simply talk about the inspiration origin of clothing designer. It points out that the corresponding poster background is produced according to related topics and images. It focuses on the poster image processing,...

Geomagnetic variation is divided into quiet period and active period, while active period is non-periodic and random. This paper utilizes analyze the magnetic variation field signals in active period in time-frequency domain, then models and forecasts the signals by using Artificial Neural Networks....

The microblog as a platform used to serve the communication of the internet, has been developing rapidly. The blog has become an important way to get information and to transmit information [1]. The blog message can be transmitted, and we as consumer can transmit them by a few simple and convenient operation....

Ground-roll is a main type of strong noises in petroleum seismic exploration. In oil exploration, ground rolls are treated as some kind of noise contaminating the effective waves. The typical characteristics that enable us to separate surface waves from body waves lie in their difference in velocity...

Electrochemical degradation technology, being an environment-friendly way for the elimination of a broad-range of organic contaminants from water, is limited by low efficiency and high cost. In this study, an improved gas diffusion electrode (GDE) was constructed by rolling carbon black and polytetrafluoroethylene...

The article describes a technique to calculate the reliability of a fixing element of a metal-polymer insert of a combined mold for casting products from thermoplastics. To do this, the stress-strain state of the metal-polymer fixing element is calculated by the force of ejection. The characteristics...

With the development of infrastructure, the problem of cracks in concrete structures is getting more and attention. Cracks will not only affect the appearance of the structure, if the cracks width are too large, even they can pose a threat for the durability and safety of structures, therefore we need...

In the process of we studied chromosome modifications, we found the previous studies only focused on linear relationship between chemical modifications. So we interfered the data sets of the Yeast histone Methylation modification and Acetylation which are measured by Pothook et al. We got 16 kinds of...

Fast Fourier transform(FFT) is an important tool for harmonic analysis in power systems and a method of FFT analysis of the signal is very important for power systems. For finding and forming a basic way to FFT analysis of feeder current, the paper embarks from the principle of Fourier transform and...

With the uncertainty and variability of wind, Wind turbines interconnection will change the original structure of the system and influence the power flow, the network loss and voltage stability of power grid. Therefore, a fast, practical calculation methods of the grid with wind power are in urgent need...

This paper aims to establish a suitable wind power forecasting model used to forecast the power of the wind farm. An improved real-time series model is built by linear function and Fourier function. For raw data, the picture of historical data is adopted to correct them. In order to improve the prediction...

The SHPB of 120 mm was used to investigate the dynamic mechanical behavior of the high-strength concrete under impact loading.To research the effect of different strength grade (54.82 MPa, 63.75 MPa, 84.00 MPa) and different strain rate (10 ~ 40 / s) for the dynamic mechanical properties of concrete,...

Atmospheric environment simulation in urban space plays an important role in the improvement of urban air problems and the sustainable development of the city. Using Remote Sensing (RS) and the spatial analysis technology in Geographic Information System (GIS), combined with the numerical simulation...

In order to study on the multi-teeth meshing phenomenon of involute internal gear pairs with small tooth number difference, precise entity assembly models of internal gear pairs are established, finite clement analyses for the multi-teeth contact problem are carried out, characteristics of the tensile...

In this work, a modified hydrothermal method has been developed and employed for synthesis of few layers Tungsten disulfide-nanosheets(WS2-NS). Using of sodium cholate as a surfactant and changing in raw materials were the main changes which were applied in the modified method with respect to the orginal...

During the vehicle identification in transportation, many problems must be overcome: firstly, modern vehicle outline leads the failure of getting features from 3D rigid body. Secondly, synthesis distortion is hard to overcome in contour connecting because of front wheels torsion. So a new algorithm of...

Based on the development trend of internet+ and the popularization of mobile intelligent terminals, anti-counterfeiting based on two-dimension code is also paid more and more attention by people. How to achieve higher anti-counterfeiting function through two-dimension code and realize product traceability...

Along with its development, the area of agricultural land in Kendari City has declined. This study aims to determine the extent of agricultural land in 1997, 2007 and 2017 and the causes of the conversion, in addition to knowthe projected area of agricultural land in 2027. This research is based on remote...

This research aimed to understand student’s perception toward the use of weblogs and how weblogs help them in improving their writing skills, also investigate the positive aspects and barriers occur in the learning. This study used a mixed-methods design, in which the data were collected through online...

The tasks of the teacher are to educate, teach, guide, and evaluate students. As professional educators, teachers need to have competence according to standard. This study was aimed to uncover a variable related to the competence of vocational high school teachers, specifically in academic achievement....

The Berambai is one of the areas in Samarinda, East Kalimantan, which has a tourism potential related to geological uniqueness and landscapes. The research aims to identify geomorphological and geological diversity, to determine the distribution of geotourism potential, and to identify potential environmental...

At present, there are two main types of connection methods used in prefabricated buildings: wet joints including grouted sleeve connection shear wall, vertical ribbed composite shear wall and Efficient Manufacture and Construction precast hollow-core composite shear wall, and dry joints including welded...

To verify the applicability and accuracy of the generalized M-C strength criterion, the glorious three-axis experimental data is used to calculate and verify the adherence and accuracy of the geotechnical material strength criteria. Experimental data comparison found: (1) the average error of the M-C...

Boron nitride nanotubes (BNNTs) is a new type of nano materials, with a variety of excellent physical and chemical properties. Based on the current research results, this paper makes a comprehensive summary of the relevant properties of BNNTs, and expounds its application field and development status.

The reliability of CEDI water treatment system was analyzed. The failure rate and mean failure-free operation time of the system were demonstrated, according to the GO diagram of CEDI system and GO methodology calculating formula, and the conclusion was coincident with actual working. Furthermore, the...

The traditional relations database cannot satisfy the management system of coal mine safety monitoring information which needs the real-time data fast response, but the real-time database can realize well to monitoring system's data management, exchange and sharing. According to the coal mine safety...

This paper focuses on the improvement of the toll plaza design, in order to solve the traffic congestion problem. In order to analyze the performance of the construction plan we define an evaluation index decided by the main issues in this model which are accident prevention, throughout and cost. We...

In this paper, a SWATH USV is taken as the research object, a series of static roll attenuation tests are carried out under different draft and different initial roll angles. By changing the composition of the restoring moment and damping, 4 mathematical models of roll attenuation motion system identification...

In the present study, chemical titration method for determination of concentration of REO in REF3-LiF-RE2O3 melts was investigated. The melts with the composition of 40mol%REF3-60mol%LiF (RE=La and Nd) was taken as object for illustrating the measurement of concentration and solubility of REO by the...

The adsorbent of expanded perlite (EP) was investigated to determine the removal effect on methylene blue (MB) from wastewater through static adsorption. The factors, such as adsorbent dosage, shaking time, temperature, and pH, were investigated. The optimum dosage, shaking time, temperature, and pH...

The purpose of this paper was to obtain a more in-depth understanding of the influence of migration type rust inhibitor on rust-inhibiting and the performance of concrete.Ten concents of migration type rust inhibitor BE were choosen, the relationship between content of BE with electrochemical impedance...

Wireless transmission of electric energy has always been a dream for people. The wireless power transmission technology based on induction coupling is the easiest way. We studied the factors that affect the magnetic coupling wireless power transmission system by combining the theory, the software simulation...

As a typical agricultural product, tea is one of the world's three drinks. Tea supply chain is established around tea, and its efficiency is conducive to the development of agriculture in China. As China's major tea producing area, the low efficiency of the supply chain in South Anhui has been one of...

Laser radar is a radar system that uses laser as light source and works in the optical band. It is the product of the combination of laser technology and radar technology. It has the advantages of all-weather, high precision, anti-interference and miniaturization. Aiming at the great potential of laser...

Detecting the working condition of a suck rod pumping system is an important research subject of oil extraction engineering. In the present paper, we claim a research using Extreme Learning Machine (ELM) to handle downhole dynamometer card auto recognition problems in a suck rod pumping system. First...

In this paper, to monitoring the 2-D deformation of building’s settlement joint, based on the testing Macro-strain of long gauge FBG strain sensing technology, the calculating method for the 2-D deformation is derived. One kind of accurate real time monitoring method is proposed, and its reliability...

At present, computer technologies have already penetrated into all fields of construction. With the constant deepening of the links between computer technologies and other disciplines and technologies, traditional computer practice teaching is hardly able to meet the demand for cultivating new computer...

Based on the discrete element software PFC2D, building background grid model of concrete under simulated different projectile penetration rate, in the process of penetration of concrete target, the expansion of the crack damage, and compared with the cement mortar model. In crushing zone near the projectile...

A strategy for wireless sensor network security is presented through dividing sensing multi-dimension hypercube into clusters and using the overlap key sharing (OKS) concept in this paper. The multi-dimension sensing hypercube is divided into a number of small same dimension hypercubes called cells,...

Research on road impedance function is limited to directly using travel time or travel cost as road impedance value, and the influence of distance, travel cost and level of service on route choice behaviors are not considered comprehensively. Therefore, this paper proposes a construction method for road...

To suppress the pulsation problem for the linear hydraulic motor , the pulsation problems of instantaneous angular displacement pulsation and instantaneous angular torque were analyzed. The kinematics equations of the motor crankshaft linkage were established. The kinematics models were simulated and...

The use of probiotic additives that contribute to the normalization of microbiocenosis of the animal body, as well as their resistance to pathogenic microflora, which ultimately affects the increase in meat productivity is promising for the livestock industry. The aim of the research was to study the...

In this research alumina ceramic layer on the surface of workpiece was obtained using ultrasonic mechanical aluminizing and micro arc oxidation to realize remanufacturing. Aluminum layer was gotten on the surface workpiece using ultrasonic mechanical aluminizing method. The theory of ultrasonic mechanical...

A distributed watershed hydrologic model, SWAT was applied to simulate stream flow and nutrient loadings (TN, NO3-, TP) in Meiling watershed, which is sub-watershed of Taihu Lake Basin. Model parameters were calibrated and validated using the measured data. The results were satisfactory; the evaluation...