Advances in Engineering Research

To solve the problems of a wide variety of mechanical and electrical equipment in tunnels, independent software systems, lack of emergency response control plans for mechanical and electrical equipment with “one-click linkage” control, and poor operability of emergency response plans, this article relies...

There are some one-sided in the robot performance index of the current robot. This paper applies delta parallel mechanism to analyze the condition number index and global performance index (GPI). An improved global motion performance volatility index is also introduced according to the deficiency of...

Climate is an important factor that affects the production and life. The ecological environment in the northwest Yunnan is fragile, which is greatly affected by climate change. This study is based on the analysis of climatic indexes from 1950 to 2013 in northwest Yunnan, Using SPSS means to deal with...

Shengli lignite (SL) was thermal dissolved (TD) in a toluene/ethanol mixed solvent and the dissolved matters was further analyzed with gas chromatography/mass spectrometry (GC/MS). 15 arenes were detected and their structure were identified by GC/MS. The analysis of these high-valued arenes from soluble...

In the target tracking system, sensor measurements may arrive at the fusion center out of sequence because of the different communication delays, which results in the Out-of-Sequence Measurement(OOSM) problem. In order to solve one-step-lag OOSM problem with corrected process noise and measurement noise...

The performed studies show that application of only one parameter for assessing structure service life does not allow accurately determining time of limit state occurrence. That is why emergencies, leading to the structure damage, right after assessment of technical state of the facility are present....

A half-bridge light emitting diode drive resonance power supply which consist of power factor correction rectifier and inductor-inductor-capacitor resonant topology circuit, the controller for each part is ST6562 and L6599 chip, respectively. This design and analysis has been presented. The MATHCAD is...

Neural network provides a new research method for equipment fault diagnosis with its inherent memory ability, self-learning ability and strong fault tolerance. In the basis of equipment fault diagnosis characterized mathematical, the research established the model of fault diagnosis for equipment based...

Accurate characterization of reservoirs is a great difficulty in the study of carbonate reservoirs. Characterization of reservoirs shall be firstly based on the geological recognition of carbonate reservoirs, including multiple reservoir quality-related geologic features such as structure evolution,...

In order to develop environmental self-adaptation electromagnetic protection materials, VO2 thin films with different thickness have been prepared on high-purity single-crystal Si substrates by Sol-Gel method. A phase transition testing system was manufactured based on static high voltage source and...

In order to solve such problems as environmental pollution, motor vehicle growth cities in our country has made a priority to the development of green public bicycle transportation strategy;First elaborates on the development of public bicycle industry in our country, and combining the land use status...

In recent years, urban public transport has always developed greatly in China, but it has been confronted with many challenges. To overcome them, the government should improve the management of urban public transport facing some problems. They are discovered and analyzed in the paper. As a new philosophy...

Considering that it’s difficult to build target motion model in structure stochastic jump system, this paper studies system errors estimation. Based on the Maximum Likelihood (ML) estimation, a conclusion is drawn, that is, there exists a causal conjunction between system errors and state estimation....

Aiming at the lager rule redundancy problems in traditional association rules, this article proposes minimum monotonous constraint closure Hadoop parallel association rules. First, basing on closure operator constraint rule equivalence relation set, this article gives satisfying minimum monotonous constraint...

The communication mode of PC and PLC based on Web and Ethernet is made of PC, PLC and Ethernet module .In the view of the limitation of the scope of PLC control, the poor integration of control system, the bad unified control of real-time, and the communication mode of PC and PLC based on Web and Ethernet...

In this paper, firstly, we will prove there is a general transverse gauge in general relativity for linear approximation. This gauge condition can play the same role as the radiation gauge condition in electrodynamics. It means that the non-physical metric tensor and affine connection can be removed...

Mantis shrimp eyes possess apposition compound eyes, complex visual systems, and unique ability of polarization identification. Within row 5 and row 6 in the mid-band of mantis shrimp eyes, the arrangement of microvilli in retina cells (R1-8) provides possibility of polarization identification. This...

The uncertain multi-attribute decision making (UMADM) problem that the information about attribute weights is known partly and the decision maker (DM) has preference information on alternatives in the form of interval numbers complementary judgment matrix is investigated. Firstly, based on interval numbers...

In this study, a certain amount of rare earth metal Cerium and low melting point Arsenic were closed in the barrel-shaped cylinder machined by H08 steel, heated to 1223K,1273K and 1323K respectively for 50h, and the interaction among the cerium, arsenic and iron was studied by X-ray diffraction, optical...

This paper provides tensile testing and analysis at the hybrid fiber model composites mechanical process measuring. In this study, tensile tested of hybrid fiber composites was accomplished using a mechanical high-efficiency propeller technology. This research result suggests that the tensile testing...

Teachers use the assessment of learning outcomes (Penilaian Hasil belajar/PHB) to improve students’ achievements. Teachers easily arrange the learning design and strategy based on the indicators in the assessment. The indicators are based on the expected achievement of the subjects’ characteristics....

With China's urbanization development, disposable income growth, the relaxation of international tourism re-strictions, China has become the country with the world's fastest growing luxury goods consumption and well-developed tourism. So high the explosive high-end consumption situation caused the attention...

This study evaluates the impact of assimilating Infrared Atmospheric Sounding Interferometer (IASI) radiance observations in the WRFDA system on the numerical weather prediction of typhoon Hongxia (2015). The IASI observations are quantity controlled and variational bias corrected in the assimilation...

This paper systematically discusses the technical basis, core technology, game example of Cocos2d-x. The development of mobile games based on cocos2d-x is described in detail including the building of the game development environment and the development of Lua shooting game.

In order to comply with the development direction of the water supply system of domestic and foreign, the use of SQL Server 2005 as a database development tool, Visual Studio.NET 2005 as a development tool for C # as the programming language, design and development of computer-based information processing...

Polyaniline (PANI) nanofibers were prepared in dilute polymerization system in the presence of organic solvents including acetone and ethanol. The as-prepared PANI nanofibers were characterized by field emission scanning electron microscopy, ultraviolet-visible absorption spectroscopy, Fourier transform...

In order to answer following two questions, One is the influence factors and the influence degree of China's total energy consumption Another is in the future five years China's total energy consumption trend prediction. This paper begins with a qualitative analysis of factors affecting China's total...

Rootkit and its detection technology promoted mutually. This paper proposes a kernel rootkit level division method based on function call relationship. The deeper rootkit's level is, the more difficult its detection becomes. We put forward and implement a rootkit method based on inline hook. It pushes...

Non-linear distortion would be introduced when non-constant envelope signal passes through power amplifiers. In the satellite navigation system, since composite signal generated by direct linear combination of signals does not have constant envelope characteristic, unexpected distortion would be introduced...

In this study, statistical theory is employed to identify abnormal online monitoring data and substandard effluent water quality in a wastewater treatment plant (WTP) of northern China. The effluent water quality can be monitored and checked by the national standard (GB18918-2002). The detection of abnormal...

This paper introduces a kind of wind tunnel test bed with a 3-RPR structure. Ansys workbench is chosen to be the main tool here to measure the structure’s stability. Linear static structure analysis, modal analysis and harmonic response analysis are carried out to detect the force, the frequency and...

Aiming at the problems of traditional linear variable differential transformer (LVDT) with poor linearity and small stroke length ratio, a new kind of structure with magnetic ring was presented. The finite element simulation models of the before and after improved LVDT were established. The structural...

The design and research of the crane anti-collision alarming device against HV transmission wires are introduced in this paper. The alarming device can receive wirelessly all the signals sent by the various electric-field sensors of the crane, and then the device can give out different indications about...

The reasons for the problem of wheel bag fracture in specific models in the process of reliability test were analyzed in the paper, and according to the actual structure and process requirements, corrective measures were put forward, and the reliability was once again demonstrated and verified.

The video & teleconference system is the important communications business platform of the company's production and operation. Annual State Grid and provincial network held more than a thousand times. The number of times is on the rise. The paper analysis the typical faults of video & teleconference...

In this paper, the neural network sliding mode control design method is studied for the large enveloping flight control law of the model with very different flight parameters. The neural network theory is used to approximate the nonlinear system and eliminate the errors brought by the approximate inversion,...

The shipbuilding industry still faces challenges and problems. One of them is biofouling on ships, a major problem that can lead to increased fuel consumption and a higher risk of spreading invasive species. The shipbuilding industry is a strategic and competitive domestic industry that deserves to be...

In this paper, we analyze three classical numerical models of heat transfer, including a 1D steady-state model, a 2D transient model and a complex 3D model considering radiative heat transfer. The scope of application, hypothesis, and accuracy of each model were evaluated. To address the heat transfer...

This Through the measurement of the hydration heat, the thermo analysis, SEM observation, and analysis on pore structure of the cement paste, we did the research on the effects of Alcamine Periodic Copolymer (APC) grinding aids on hydration and microstructure of Portland Lime-Mud Cement (PLMC). The result...

The effect of gangue content on concrete strength and elastic modulus was studied in this paper and the mathematical model of modulus calculation was built up for gangue concrete. In the tests, concrete specimens in four strength grades of C20-C50 were prepared using equivalent replacement with substitution...

Now space debris poses a serious threat to humanities efforts at space exploration as well as the expanding uses for earth-orbiting satellites. This thesis is to predict the growth trend of space debris. We construct the Space Debris Growth Model. Based on statistics in past years, Least Squares and...

Transpiration has an important impact not only on the growth of plants, but also on the hydrological cycle.Determining quantificationally the plant transpiration rate helps understanding the hydrological cycle more accurately. The transpiration rate of a single loquat tree at different relative humidity,...

3-bromo-4-isobutyloxyphenyl carbothioamide 1 is an important intermediate in many biologically active compounds such as febuxostat. In this work, a rapid synthetic method for compound 1 was established. The compound 1 was synthesized from the commercially available 4-hydroxybenzonitrile 2 through three...

the social development also brings a series of environmental crisis, the haze of human health, life, work has brought serious threat. In this case, this article through the analysis of domestic and international research status, combined with the suburban counties of transference, from encircling the...

The cable is indispensable appliance when ship berth alongside. With the increasing of ship's tonnage, the distance of ship berth is also increasing. The distance and approaches of seaman cable-throwing have failed to meet the demand, so designing appliances of cable throwing is necessary. To solve this...

Based on the demand of real projects that new overhead wires are been erected on the running wires with power flow, if zero-sequence parameters of the wires are needed, zero-sequence signals of different frequencies around the basic 50Hz can be added to the newly erected ones to generate zero-sequence...

A new airport is building at somewhere in northern China. The airport is located on an artificial island which is filled with gravel. Because the foundation is filled at one time and the thickness exceeds 22m, it should be consolidated. The designer supposed to use dynamic compaction method. The dynamic...

The spread of the distribution of goods and services is a necessity in the development of a country or region. It is in line with the principle of distribution i.e. the manufacturer wants to spread stuff covering - breadth, on the other hand consumers want ease in obtaining the goods. Development of...

In conventional peroxide bleaching of chemi-thermomechanical pulp (CTMP), the bleaching efficiency of hydrogen peroxide (H2O2) is far lower than its expected level. In this paper, a novel bleaching method is proposed to improve the H2O2 bleaching efficiency of poplar CTMP. This novel method, namely Continuous...

In today’s digital era, color processing plays a critical role across industries by addressing the challenge of achieving consistency in continuous object sorting, which is traditionally prone to errors in manual handling. This paper introduces a novel approach for automated object recognition and sorting,...

The oxidative polymerization of dopamine for the functional surface modification of materials has drawn extensive attention. In this work, the coloration and functional modification of silk fiber by dopamine polymerization were studied. The conditions of dopamine application were first discussed in the...

36 kinds of crops and the planting soils had been treated as research samples. All the materials came from Nandu river basin selenium-rich region. 120 research samples had been chosen to research the distribution of selenium and their effects on enrichment of heavy metals in selenium-rich regions. The...

The paper studied a forecast method of geo-hazards in mine area, by use of grey model, it is expected that in 2020, the loss statistics of mine geo-hazards in the area will increase steadily, the loss of water-inrush, slag, ground subsidence and landslide collapse will reach relatively 381,723 dollars,...

Aircraft water ingestion tests on water-contaminated runways is of great significance in the civil aircraft airworthiness certification. It is a very complex strongly nonlinear multi-physics process involving tire-generated water spray and engine spray ingestion. An integrated simulation platform, which...

The beam element, solid finite element models are established in this paper, which are studied the effects of different curvature radius to the shear lag effect in curved box girder. The analysis results show that the inner side and the outer side of the shear lag coefficient of curved box girder bridge...

the tubular joint of KT type circular steel pipe has abundantly existed with wide application of truss structure of long-span steel pipe. This paper analyzes the influence on joint stiffness through three major factors: thickness of major pipe t0, diameter of branch pipe di, the included angle between...

nanopore; PNP equation; EOF; current signals

The main characteristic of sorbents is their polarity. The function of additives is based on their ability to connect and remove harmful substances from the animal stomach. The paper describes the influence of natural sorbents - zeolite and bentonite - on nutrient digestibility, milk productivity and...

When aircrafts operate in cold regions, electric heat tracing is usually used to heat the water system pipelines to avoid icing. Based on aircrafts operational scenarios, this article analyzed the enclosed and semi-open compartment environments and the heat loss laws of pipelines, determining the power...

The coal dust will cause pollution of the marine environment when the coal wharf of a coastal power plant is operated. The coal loss in the process of unloading in the wharf was estimated through the standard formula, and then the amount of coal dust into the sea was determined. By the combined force...

As a very efficient tool, calculus could do modeling and make evaluations effectively particularly by targeting the features of concurrency and mobility which quite commonly exist in the software system nowadays. After a brief introduction of comparison, this paper mainly discusses a comparison algorithm...

With the help of the Phenolphthalein reagent method, the concrete carbonization depth of several actual engineering projects has been tested in this paper. The study focuses on the impacts of carbonization time imposed on the concrete carbonization depth. Based on the actual testing data, the conclusion...

Physical decomposition of gauge fields and gravitational field are interesting subjects for many researchers [1, 2, 3, 4] . The decomposition of gauge field in Refs[1,2,3] has successfully solved the two-decade gauge problem of a meaningful gluon spin. Ref[4] extended this method to the gravitational...

With the development of power electronics technology and popularization, STATCOM has been widely used in power system. Its smooth voltage regulation curve and precise adjustment ability, greatly improved the power quality of the power system. This paper takes the STATCOM project of China Southern Grid...

The characteristics of the small world network is widely used in Wireless Sensor Networks. In this paper, Hierarchical Algorithm of Wireless Sensor Network Based on Small World Network Model (HASWNM) is proposed. Firstly,the algorithm divide the monitoring area into different sub-regions, and select...

How to accurately find the risk existing in the network in time and rapidly put forward response plans put forward becomes a core issue in the new era of network security. Real-time quantitative assessment of network security situation due to its real-time problem discovery and reference value of assessment...

Cross-rail is a key component of support structure of the machine, whose mechanical properties have direct impact on the accuracy and dynamic performance of the machine. This paper studied a bridge type milling composite extrusion CNC machine whose cross-rail welded together by a rib structure, therefore,...

Based on the multi-agent technology, this paper presents the optimization process of power agent, user agent and government agent in detail. Combined with the principles of consumer psychology, this paper simulates the user response to the electricity price, outputting response curve and obtaining a...

Material environment performance will become a basic performance of new materials in the 21stcentury, various environmental materials and the development of green products will become a dominant direction of the development of the material industry. Life cycle assessment (LCA) has developed into key...

Polyaniline (PANI) was prepared through in-situ chemical oxidative polymerization of aniline monomers in the presence of nanocelluloses. The as-prepared nanocomposite was characterized by scanning electron microscopy, Fourier transform infrared spectrometry, X-ray diffraction analysis and electrochemical...

In view of the present smart substation-area protection situation which exists some traditional relay protection problems, this paper put forward a kind of smart substation-area protection based on multi-Agent technology, which combines with the characteristics of the Agent in the relay protection and...

Manufacturing is the main source of the pillar industries of national economy and national income. In the globalization environment, on the one hand, the competition in manufacturing has been from the market competition to the competition of industrial cluster evolution; On the other hand, the development...

An antisulphuric coating manufactured by U.S. michelman was coated on the case board to prepare antisulphuric packaging paperboard. The silver strip samples were wrapped in antisulphuric packaging paperboard under laboratory condition in a simulated extreme sulfur-containing atmosphere, then the corrosion...

Environmental problem has become a major challenge for the survival and development of human society in twenty-first Century, and it has become the consensus of the community that the green product is considered to be the only way for the sustainable development of human beings. Fuzzy AHP is an effective...

The LFM signal is commonly used in both radar and sonar system. However, the steering vector of the LFM signal is changed with time, traditional DOA ectimation method cannot be used. A DOA estimation method of fourth-order cumulants based on fractional Fourier transform is proposed in this paper. By...

As a variety of smart mobile terminals are in high-speed development, Vehicle Ad Hoc Network (VANET) reveals its huge potential of application in road traffic control and parking space information distribution and acquisition by VANET is one of its important applications. In this paper, a model of distributing...

Teleconference system is an information management system which has functions such as computer control, multimedia technology, network communication and video synthesis technology. The system has been widely used in electric power industry, which raising the efficiency of work. It is very important to...

A new friction model is built for ultrasonic consolidation process by considering deformation of foils due to the texture on the surface of sonotrode. Based on the friction model, a thermal-mechanical coupled finite elemental model is built to study the influence of process conditions on interface temperature...

Dam safety surveillance model in Switzerland is a classic example of good combination of tra-ditional way and modern concept. There is no dam failure in history of Switzerland. Swiss dam safety surveillance mode is highly praised by International Commission on Large Dams and is of enlightening and reference...

Boosting is an effective classifier combination method, which can improve classification performance of an unstable learning algorithm due to its theoretical performance guarantees and strong experimental results. However, the algorithm has been used mainly in batch mode, i.e., it requires the entire...

The attitude displacement process of nuclear power large piecesis time-consuming and very dangerous, which has became one of the important factors for improving productivity and enhancing the workpiece's surface quality.However, the research and development of upenders for nuclear power large parts is...

In order to effectively prevent rockburst, and makes the evaluation and classification of hazardous area of the working face has the potential impact of risk, to put forward the comprehensive index method and the macroscopic evaluation of multi factor coupling impact risk assessment method. In Xinglongzhuang...

In recent years, with the construction of smart grid, the participation degree of the demand side to the power market is increasingly high. For the identification of the load is like a list of electricity, can help the user side to better respond to peak and valley price, reasonable arrangement of electricity...

Technogenic hydrates are mostly a negative factor in the oil and gas industry. Their formation in the bottomhole well zone and in wellbores complicates the extraction, reducing their production rate. In the hydrocarbons collection systems, the hydrates in certain thermobaric conditions deposit on the...

The core loss test is an common-used method to diagnose the core fault of large turbo generator. However, it takes a lot of time to connect cables before and disconnect cables after the power-on test using traditional operational approach. To make the core loss test more convenient to conduct, a new...

Concerning the centralized communication overloading of the virtual machine (VM) in the cloud computing center, this paper puts forward an adjustment strategy, that is, to build a model through the load evaluation of three threshold values in consideration of the load balancing and to achieve the objective...

N-4-(4-chloro-3-trifluoromethyl-phenyl)-7-methoxy-quinazoline-4,6-diamine (1) exhibited potential biological activities in medicine, 4-chloro-7-fluoro-6-nitro-quinazoline (2) is an important intermediate in compound 1. In this work, a rapid synthetic method for compound 1 was established. The compound...

By simulating the runner of the VARI molding process with PAM-RTM about the front floor of the car, examines the different injection methods, different influence of distance of hose guide for filling time, analyzing the resin flow patterns, the effects of the mold cavity pressure distribution and the...

The common urinal flusher, whether the button switch type or infrared detection induction, due to the water hole in the system by flushing it into the water column outflow, which cannot be evenly distributed in the urinal, resulting in poor cleaning effect. Furthermore, when a large amount of water washed...

A thematic map is a media in conveying specific spatial information on the surface of the earth. One form of spatial information is disaster vulnerability area. Through maps, students can improve their competence in understanding spatial disaster information. The better the ability to read the information...

This system is a ZigBee-to-Wi-Fi wireless gateway that implements a WSN/ZigBee seamless, wireless connectivity to WLAN. It will help ZigBee devices communicate with standard equipments via wireless medium, vice versa. Hardware system is composed of LM3S9B96, CC2520 and Wi-Fi module. Z-Stack is TI's ZigBee...

The reliable operation of power equipment related to the performance of surface-to-air missile weapon systems, accurate fault diagnosis of power system is very important. In order to make an accurate diagnosis for power supply equipment of the surface-to-air missile weapon systems, this paper introduces...

The accuracy of fault detection is helpful to improve the stability of power quality. With the development of new energy, the technology of flexible HVDC transmission has been gradually mature, but there are still some problems. In this paper, the Mallat algorithm is used to detect the DC line fault...

There are three different frame formats in standard IEEE 802.11n which are mixed format HT (high throughput), non-HT and green field HT. Two types of signal were proposed in different frame formats, HT-SIG and L-SIG. Since both L-SIG and HT-SIG are BPSK modulated, the HT-SIG is rotated by 90 degrees...

Regional innovation system and circular economy are the important means to solve the problems between economic development and resources and environment. However, there are still some contradictions between them currently. Therefore, this paper studies the construction of regional innovation system in...

This paper used parallel test of single factor to investigate preparation method, the excipient, the water-soluble filler, the wetting agent and the drug loading for Pulsatilla Chinensis (Bunge) Regel total saponins-hydroxypropyl- -cyclodextrin inclusion compound pellets. The results showed that the...

By filming the excellent male athlete Nadal’s live game video in the 2014 China Open, the thesis analysis Nadal’s forehand stroke technique in virtue of three-dimensional photograph analytic method, selecting the standard video of Nadal’s baseline forehand topspin. It is aimed at revealing the kinematic...

The technology of abrasive jet assisted drilling has the advantages of high efficiency and low energy consumption, which causesits wider application in the field of offshore oil and gas exploitation engineering.This paper used fluid analysis software to simulate and analyze the movement of abrasive jet...

With the swift expansion of wireless technologies, demand for radio spectrum is continuously mounting. Along with the spectrum scarcity problem, radio spectrums are also underutilized. Cognitive radio practices an open spectrum allocation technique, which can ensure efficient handling of the frequency...

Experimental investigation is conducted for a new type precipitating apparatus, and results are reported, meantime its application also are reported. Application and experimental results show that the collection efficiency for respirable dust is above 80% and 92% , under application and experiment condition...