Advances in Engineering Research

Traditional villages have unique natural environment and cultural deposits, which have become hot spots of tourism exploitation. However, as a special landscape form and cultural connotation of rural cultural landscape, its resources have the characteristics of scarcity. In this paper, based on the perspective...

The probe and measurement circuit for the liquid level measurement of ultra low temperature cylinder was designed. Liquid Nature Gas( LNG) sensor is a coaxial capacitance sensor which was used with the material of 304 stainless steel. Teflon was used as an insulating material to isolate the stainless...

Ram-compacted piles with vibrating gravel base is a simple method of foundation treatment which was applied to engineering in soft soil areas initially with which soil surrounding can be compacted by the impact of hammer transitted by gravel. Relatively low cost and ordinary construction technique have...

In order to explore the information flow, we contract and analyze the Dynamic Complex-Net-Based Info-Transmission Model. Simulate the realistic information transmission network utilizing the model. Considering the characters of information transmission, we employ the SIR-Based Info-Transmission Model...

Study of the methane-air explosion mechanism is of great important for the safety utilization of the coal bed methane and safety production of coal mine. The methane-air explosion reactions were numerical simulated in a closed spherical 20 dm3 vessel with the ignition electrode at the center. The simulation...

Different sampling methods were used to collect samples from ventilator pipes after they were sterilized for selecting an optimal sampling method for the disinfection of ventilator pipes. 200 sets of the ventilator pipes used in clinic were randomly divided into group A and B. The pipes in group A were...

Firstly, using CAD software SolidWorks to establish a geometric model of the servo turret. Then, using HyperMesh to pretreat the model. In the established finite element model the equivalent contact area method was used to simulate the bolt connection. At the same time, the virtual material method was...

The multi-component Nb-Si system in-situ composites with composition of Nb-20Si-5Al-15Ti-xW (at. %) were prepared by Spark Plasma Sintering (SPS) technology. The high temperature oxidation behavior and microstructure of the alloy were investigated by scanning electron microscopy (SEM), X-ray diffraction...

Anodizing is a surface treatment method and this is the first to report research on anodizing on Al-B4C composite. The growth of anodic alumina oxide was conducted on Al-B4C composite in cost-effective sulfuric acid electrolyte. In this paper, we have discussed the effect order of anodizing voltage,...

To promote the application of autoclaved aerated concrete(AAC) block self-thermal insulation system in severe cold and cold zones, this paper proposes the construction of self-thermal insulation wall, shear wall insulation treatment measures and the detail construction of beam column thermal bridge....

Asymmetric flatness occurred on the products of a 2250mm hot rolling line when they were rolled in a cold mill. The production data reflected that these products deviated much in hot rolling. Because of the large thickness, rolled pieces show asymmetric profile instead of asymmetric flatness under asymmetric...

For a single sample face recognition problems, this paper propose a supervised two-way two-dimensional locality preserving projection method to extract the facial features, based on locality preserving projection. The recognition phase, this paper presents a method of sub-characteristics voting, In this...

Building information modeling (BIM) technology can effectively solve the problem of information sharing in construction project, but its benefit has not been maximized due to the lack of matching delivery. Even integrated project delivery (IPD) creates the collaborative environment for BIM, part of the...

As the fast-development of artificial intelligence and modern medical technology, the real-time monitor of vital signs of critical ill patients has become a hot topic in the field of medical research, and receives a wide range of attention. hereby present a new anomaly judgment method of vital signs...

I design a rational toll plaza layout and the congestion problem of the vehicle passing through the toll station is optimized reasonably.By analyzing the behavior process, the arrival distribution and the distribution model of the vehicles at the toll station,we get a reasonable number of conventional...

A noninvasive method based on ultrasonic velocity was proposed to detect the displacement front in core displacement experiments. CO2 drive experiments were carried out to prove the possibility of detecting the displacement front. The characteristic that ultrasounds have different propagation velocities...

This article presents the mechanical design of a modular quadruped robot, named XDog. The leg mechanism of XDog has coplanar hip joints with the leg apart from the body to increase the motion range of the hip joint. Gear pair is used to drive each joint to promise high motion accuracy and compact assembling....

Chemically mixed Mn1-xCoxFe2O4 nanoparticles with the size about 8 nm were synthesized by thermal decomposition method. The content of Co element x varied from 0.02 to 0.08. Magnetic measurement indicated that 8 nm Mn1-xCoxFe2O4 nanoparticles were superparamagnetic at room temperature and ferromagnetic...

In recent years, people made a lot of progress for solving Boolean satisfiability problem. Existing solvers have been successful in dealing with problems with thousands of Boolean variables in reasonable amount of time. And there is a trend to use Boolean satisfiability solvers to deal with practical...

The tilted visual angel of the camera determines that incline will inevitably occur in vehicle license plate (VLP) recognition system. This will bring about difficulties to the following character segmentation and character recognition. Traditional correction methods can receive high accuracy hardly...

This system controls the speed of the fan by the temperature collected by the Single chip microcomputer ,the terminal of android can remotely control the fan by the communication protocol of Bluetooth 2.0.This system can display teal-time temperature. There are three kind of wind speed can be adjusted....

This article discusses the current development of tests about pile foundation at home and abroad. According to the difference of test purpose and content, it is analyzed that several typical test methods of the Multi-Extruded-Expanded-Plates pile. In the article, due to the imperfections existed in the...

Establish two class operational effectiveness evaluation index system of smoke support system, and based on classic smoke support operational scenario, according to system simulation method, conduct program inferring and deducting and evaluate smoke operational effectiveness by integrating it into full...

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This paper employed the questionnaire method to research the community residents' perceptions and attitudes toward tourism impacts of residents in ancient city of Xingcheng. As indicated, the local residents believed that tourism development had not lead to environmental degradation, but improved community...

The aim of this work was to investigate the effect of titania nanoparticles (TiO2 NPs) on chlorella cultivated in modified Blue–Green medium (BG-11). The chlorella species were exposed for 96 h with a daily reading of the quantity of chlorella cultivated in modified BG-11 medium with different concentrations...

The flue gas compression system in a 300MW oxy-coal fired boiler unit is taken as an object of study. By the leakage test of quad-section rotary gas-gas preheater on B-MCR condition, the influence from the leakage on the operation parameters of the flue gas compression system were analyzed. The results...

Positively charged cellulose derivative quaternized cellulose (QC), was layer-by-layer (LbL) assembled with negatively charged cellulose derivative carboxymethyl cellulose (CMC) to produce the thin film. The factors of dipping and rinsing time on the thin film growth were investigated. FT-IR confirmed...

Local binary pattern (LBP) has widely used in face recognition with extracting texture feature, for the high statistical histogram dimensions of LBP and unable to effectively express the edge and direction information of image, so a method which is called fusion with blocking CS-LBP and HOG features...

A high resolution digital integrated chip capacitor measurement system was designed.The major components of the system mainly includedmain control chip, capacitance transducer, data storage and communication interface.ARM7-based mcro controllerSTM32F207was used as the main control chip, capacitance measurement...

By carding the researches of health evaluation methods of domestic urban ecosystem, this paper discusses the principles, methods and revealed problems of urban ecosystem health evaluation, in order to providing reference for the building and evaluation of urban ecosystem health evaluation system.

Based on the research of paste-like backfill technology in roadway mining under highway of Tang’an Coal Mine, the mining scheme was elaborated, the system and technology of roadway mining with paste-like backfill were introduced, the technical effects and economic benefits were analyzed. The results...

The model of urban spacial structure is a significant regulatory mechanism to control the urban space resource distribution by planners. It is the result of conflict selection by government,citizens and other economic institutions. As the reflection of public benefit, planners should utilize the social...

The overall design scheme of a rocket launcher is proposed in this paper. Modeling and rendering, model transformation and scene synthesis in scene generation has been studied. And the interactive training processisdeveloped. Moreover, the key technology of system design is illustrated.

Precision agriculture has greatly progressed by increasing crop output in recent years. Unfortunately, diseases caused by pests and insects often lead to big losses in fields, reducing crop yield. To fix this, fertilizers and pesticides improve crops and control insects and pests. People are worried...

Wireless sensor network localization technology is currently a hot research topic. WSN is a special self-organizing network, Range-free positioning technology at the advantages of its low cost and its simple hardware equipment has been widely concerned by the researchers. Therefore, this paper studies...

The construction of wind turbine generator set depends on the sufficient measurement of wind resources, and reasonable layout and management. Flat open terrain is the ideal condition for the operation of the wind turbine, but the actual terrain fluctuation is changeable. Because these terrains are close...

Laser tracker is an important optical instrument for precise geometric coordinate measurement in large scale. Position sensitive detector (PSD) is one core miss-distance detecting sensor of laser tracker to achieve precise cooperation target tracking. The tracking parameter calibration accuracy based...

In this paper we are discussing about the fuzz testing of network protocol. Compared with the general software vulnerability mining, the difficulty of using fuzz method to detect the protocol vulnerabilities is that the network protocol is a state machine, and the correctness of the input message has...

With the prosperous development of the next generation Internet technology and the rapid popularization of intelligent ends, cloud media will shift from "one cloud end, multi-screen" to "user-centered" "endless interaction", becoming the next transformation of Internet and serving the world more extensively....

In this paper, we introduce surface plasmons, a hot issue in the Frontiers of Science and Technology into the teaching process of "Mathematical Physics Method" course. We analyzed extensively metal nanowires, a typical plasmonic waveguide combining the separation method and numerical solution method....

In the process of tunnel excavation, in order to ensure the error between the direction of travel and the designed tunnel axis within required range, the relationship between the position of the shield and the designed axis of the tunnel should be monitored and measured in real time. The laser displacement...

Poly(N-isopropylacrylamide) is a representative thermosensitive polymer, whose hydrogels have broad applications. But poly(N-isopropylacrylamide) hydrogels are weak and brittle. To get higher strength hydrogels, in this paper, silica sol was utilized as nanoparticle reinforcer source to construct poly(N-isopropylacrylamide)/silica...

NASA demonstrated that there are more than 500,000 pieces of space debris around the earth.It is necessary to remove the space junk because they do great harm to the aircraft. How to remove the space junk has become a universal concern.. In this paper, model is established to find the best alternative...

The rural house with comprehensive circulated utilization systems has been designed and built in a village around Fuxin city, which could separate production from living region. At the same time the energy circulation could be taken out. This new design mode could solve the following actual problems...

A robot is a machine that can perform desired tasks with high accuracy and minimal human interference. Robots are employed to automate repetitive activities and work in unpredictable or hazardous environments. Depending upon the functionality, different types of robots, such as Automated Guided Vehicle,...

The research object is based on public rail transit network of two cities in China. The robustness analysis is carried out on the rail transit network which is constructed by the transfer stations. On the basis of the existing robustness evaluation indexes, we put forward alpha index and isolated node...

To study the gradation applicability of Lucobit modifier and make it adapt to China's basic national conditions well, the gradation of AC-13C was selected to research pavement performance in this text. The mix design of AC-13C without Lucobit is researched first. And then the performance of AC-13C is...

Knowledge compilation is a way of preprocessing a given knowledge base so that queries can be answered more efficiently. In literature, a lot of methods for knowledge compilation have been proposed. In this paper, we propose a new method for knowledge compilation, which is based on the Combination rule....

In order to accelerate the modern engineering management, promote the transformation and upgrading of highway and waterway engineering construction and development, improve the quality, safety and operation service level of highway and waterway engineering, the article sets up an evaluation index system...

Eggs are a common and accessible culinary item. Eggs are a vital source of nutrients for the human body and have a high nutritional value. Selecting high-quality eggs is essential since low-quality eggs can have a negative impact on health. Due to the human eye’s limited capacity to accurately sort vast...

With the rapid development of artificial intelligence, its application effect in the field of UAV path planning is becoming more and more significant. It plays a great role in path search optimization, environment perception modelling, dynamic environment adaptation, and multi-UAV collaboration. Reinforcement...

Machine of gypsum hollow brick is a special machine equipment for making gypsum hollow brick. To improve design efficiency of the gypsum hollow block forming machine, shorten the product design and development cycle, meet the needs of medium investors and product upgrading, enable enterprises to quickly...

Water resources shortage is a problem paid general attention to in today’s world. How to predict the clean water provided in a region become universal concern ever since. So we develop a NARSD Model to analysis water bearing capacity with the rate of water supply to water demand. It is improved from...

b-cyclodextrin (b-CD) is a kind of cyclic oligosaccharide with a unit of D-glucopyranose. It shows good molecular recognition ability for its unique physical and chemical properties and suitable cavity structure. It also is an important supermolecule. It is easy to be derived to get a variety of functional...

This paper assessed optic camouflage performance by a two-stage hybrid model combined DEA and ANN. The assessment indexes of optic camouflage performance were firstly constructed. Then we proposed the hybrid algorithm by the following two stages: (1) Conventional CCR model was improved by super-efficiency...

Urban parks are natural refuges and public recreational resources in municipalities. The profession of landscape architecture was established during the nineteenth-century urban park movement and has been taking developments of the urban park system as its main mission ever since. Experts from various...

The aim of this study was to explore the biomechanical effects of different frequencies whole-body vibration training on gastrocnemius in rats. The conclusion showed that (a) there was significant difference between high frequency group and control group, and there was extremely significant difference...

In the free-floating mode, dynamic coupling exists between the manipulators and the spacecraft base of space robot, and the base attitude and position are easily disturbed by the motions of the manipulators. In this paper, firstly, the angular momentum conservation equation is analyzed. Then, the objective...

Research on maintainability growth is an important research direction for the improvement in the equipment maintainability. A rational maintainability growth model can be utilized to predict the direction and level of maintainability growth. Moreover, it can provide theoretical and decision support for...

It studies the optimization model of medicine-chest design. Given four different conditions of the medicine-chest design, it sets up a corresponding nonlinear, double objective optimization model to realize medicine-chest design.

Speech emotion recognition is mainly based on the differences of characteristics between different emotions. The traditional recognition method is based on the manual extracted features, such as MFCC and LPCC, etc., and also achieved well. But it is unclear what kind of feature are able to reflect the...

This paper introduces the historical research on fair faced concrete, benefit evaluation system of the construction technique of fair faced concrete is studied, and the Chengdu City 2nd ring road viaduct project as an example, analyzes and expounds the construction technology of concrete benefit evaluation...

In this paper, the radiation heat supply and displacement ventilation system for the wall of capillary tube are established. The indoor thermal environment is simulated by the Airpak software, and temperature contours,velocity vector images, PMV nephogram are made respectively. By analysis and comparison,...

Spare parts are one of the important supporting resources of equipment. According to the different distribution of maintenance time in spare parts support model, the model of spare parts support models with exponential distribution and constant distribution are established. According to the maintenance...

The degradation kinetics of co-metabolic biodegradation of two linear alkylbenzene sulfonate (LAS) strains was researched. Two bacterial strains which could degrade linear alkylbenzene sulfonate by co-metabolism mechanism, named as L-2 and L-15 were determined to Klebsiella sp.and Enterobacter sp.The...

This paper introduces the application of fault diagnosis technology at home and abroad, and puts forward the way of applying the fault diagnosis technology of special vehicle electrical system. This method is conducive to improving the capabilities of vehicle electrical system fault diagnosis, and reduces...

in this paper, the magnetic field and arc of a contact structure of 126kV vacuum interrupter are studied and tested. The magnetic field values of the contact structure is measured and compared with the results of simulation. The results of simulation are verified by comparing the results of the two calculations....

The analog signal power amplifier module is an important component of relay protection tester. As is known, most of the analog signal power amplifier modules employ single output loops to achieve the output accuracy regardless of the output current, which may lead to large capacity, low efficiency and...

The electrical characteristics of insulating materials play a key role on the working performance and operation reliability of power equipment. With the rapid development of superconducting technology in recent years, the working temperature of high temperature superconducting power equipment can be...

Aiming at the machining difficulty of a large thin sheet part, high speed milling and a vacuum fixture are used to reduce its machining deformation and errors. The vacuum fixture suitable for the machining of the large thin sheet part is designed and fabricated. It is able to clamp the large thin sheet...

Slope-gully system is the basic unit not only to study erosion and sediment yield but also to configure the measures in watershed. Based on the rainfall simulation experiment, the temporal - spatial distribution characteristics of sediment yield were studied in slope gully system. The result showed that...

With the help of ABAQUS and its subroutine DLOAD calculated the asphalt pavement response of different pothole area and combination of pavement structural from moving load. So as to arrive the law of development to pothole and the best combination of pavement structure to resist the pothole .Results...

The thecate dinoflagellate bloom microalga, Scrippsiella trochoidea, was co-cultured with different grams of fresh macroalga Gracilaria lemaneiformis under laboratory conditions, to characterize the allelopathic inhibition effect of the seaweed on photophysiological activities of the microalga. Cell...

In the page, we discuss relevance feedback techniques in image retrieval system, and then focus on the SVM-based relevance feedback. Using SVM-based relevance feedback, the precision rate of image retrieval system is satisfied. In order to better understand the effectiveness of SVM-based relevance feedback...

By analyzing the principle of the UWB Ranging System, a mathematical model of the system is built, and then UWB signal models are chosen. By theoretical analysis, an important conclusion is drawn that signal processing of UWB ranging system is essentially time-domain sampling of echo signals. In the...

In this paper, we build the model to determine the best strategy that the person in the bathtub can keep the temperature.

Taking the 914 working face of Dongpo Coal Mine as the object of study, through theoretical study and numerical simulation calculation to research large-span trough deformation features of Mining Face under the mining influence and tunnel deformation features under different vertical loads , providing...

Lightning is a major threat to people’s daily activities. Therefore, to forecast its occurrence is very important to ensure the safety of life and property. Compared to a series of signals from instruments like the Doppler radar, the lightning locator and the meteorological satellite, the electromagnetic...

ZN-35 silicone rubber is a kind of effective vibration damping material in aerospace, which can be made into a vibration damping pad for preventing vibration and damage to important components in the rocket. In this paper, the energy storage modulus and loss factor of ZN-35 silicone rubber materials...

Firstly, guidance law is proposed in order to enhance the performance of the guided-bomb. Secondly, the gravity PN guidance law, bias proportional navigation guidance law with terminal impact angle constraint and sliding mode variable structure guidance law with terminal impact angular constraint are...

Analyze the signal synthesis process on Matlab theory platform, based on the theory STC15W1K24S chip and 4 road 8 digit serial d/a TLC5620 produced by TI Company are designed to be a signal synthesis circuit system. By using the system module we can created the one, three, five, seven time’s harmonic...

Self-lubricating spherical plain bearings are widely used in some important mechanical moving parts. When used in the marine environment, bearing components may be sometimes immersed by seawater. The salinity changes with evaporation or addition of water. This paper discusses the effects of salinity...

A modified road perception algorithm is presented based on the color image clustering segmentation. According to the comparison of color spaces' uniformity and integrity, an improved K-means clustering algorithm is proposed to segment color images in the space LAB. Firstly, the target area contains road...

This paper studied the antibacterial activity of the anthocyanins from blueberry wine pomace. The blueberry wine pomace, which is by product in blueberry wine process, is rich in anthocyanins, and the anthocyanins extract from blueberry wine pomace, then the extraction was purified and components of...

According to the division principle and method of parking inducing community, a parking induction partition model is established to determine the objective function and constraints of the study. The simulated annealing algorithm is used to study the partition model. According to the principle of simulated...

In order to optimize indoor light environment and solar radiation level in training stadium in Guangzhou, China, parameterization building design method is employed in the research, and a sunshade system response design strategy for training stadium with light comfort applicable for sports population...

In order to study the specific pattern of fragmentation penetrating the target plate under the influence of multi factors, this paper uses the artificial neural network method to identify the input parameters and obtain the corresponding target damage model. Based on the orthogonal design principal,...

This paper introduces a hardware and software structure and key technology of a new radioactive source vehicle recorder based on the 32 bit ARM processor. It is installed in the vehicle which has a radioactive source, it can detecting and recording important datas while the vehicle movement. Starting...

With the rapid development of cities, the building becoming larger and higher. That means the weight of building will increase , the disaster will cause a greater loss. Bearing column is the main stress components of building, determining the safety of the building under earthquake. Steel Tube Filled...

In this study, a three-dimensional model was developed by using CFD and TRACE to simulate the flow behaviors and thermal-hydraulic phenomena in the downcomer and lower-plenum of Maanshan PWR nuclear power plant (NPP) reactor pressure vessel (RPV). Detailed geometries of vessel components such as neutron...

Solvent selection is the key of solvent crystallization method In this paper, the optimal crystallization conditions for xylene and DMF extraction of refined carbazole is studied that the crude carbazole as a raw material, dissolved temperature is 85 , crystal-keeping time is 90min, the solvent ratio...

The existed energy management system (EMS) grid model and fault information is relatively perfect, which realizes automatic synchronization of data in areas I and III. Urban grid fault event management system is designed and developed for this purpose. It locates at safe area III, using data of EMS to...

The optical fiber has been extensively used as a sensor in some special fields. Because the optical fiber exists crackles itself and also produce the micro-crack as well as local damage, the fatigue behavior of the optical fiber become the main problem we care about. This paper presents the experimental...

There is a problem of poor cementing quality at the overlay segment of the liner hanger in the conventional liner hanger cementing and it can be solved by the technique of expandable liner hanger which adopts the steel tube expansion and the high strength rubber materials as the hermetic hanging mechanism;...

Aiming at the problems of traditional BP neural network in fault diagnosis of equipment, the genetic algorithm is introduced to optimize the network, and the fault diagnosis model of equipment is established. The modeling ideas and considerations are introduced in detail, and the simulation calculation...

Before comparing the heat dissipation of bubble bath and common bath, we analyze the temperature distribution in the bath.After that, we establish the heat conduction differential equation. The temperature distribution in the whole bathtub with hot water injection is obtained by the finite difference...

The oxygen blast furnace (OBF) is a new ironmaking technology. The coke rate and carbon dioxide emission can be decreased greatly in the OBF process. In the OBF process, the room-temperature oxygen is blown and the preheated top gas of CO₂ stripped is recycled into the furnace. The recycled gas has various...

Compressive property of lattice material with pyramidal truss core was investigated under uniform quasi-static compression. Load–displacement response and shape deformations of trusses during compressive loading was simulated by finite element method. The numerical prediction is in good agreement with...

The six prism type Ce0.7La0.3O2- solid solution was prepared by reverse co-precipitation method with urea and Na2CO3 as double precipitant. The reverse method favored the washing of precipitate and formation of rod-like CL. Using urea as a homogeneous precipitating agent before precipitation with Na2CO3...