Advances in Engineering Research

New ultrasonic-assisted argon-arc clad injection technology was adopted, and Ni60A was as cladding powder, TiC, TiN, WC, and Co powder as spraying powder, thus Q235 steel plate was strengthened with Ti(C N) particle reinforced the nickel wear-resistant coating. The influence of the coating thickness...

In this paper, we establish a Temporal-Spatial Distribution of Space Debris Prediction Model based on Kessler model. We deduce debris' flux and the probability that space objects be hit by debris in certain space-time. Next, we make predictions about debris' distribution with different diameters, in...

With the fresh water crisis coming people all around the world put their eye on the seawater desalination. " Asking the ocean for freshwater", has become a common choice in many countrys,which means seawater desalination becomes an important way to solve the problem of freshwater. A lot of high energy...

With development of the mobile technology, the quantity of the mobile application is also growing, and how to ensure the quality of the application has become a hot topic. Android is open platform for mobile devices, more and more developers like to develop application based on the Android system, which...

The antibacterial substance NO.026-?...?is obtained from Streptomyces avermitilis NO.026. It has significant antagonistic effect on Colletotrichum lycopersici. The stability test results showed that with the increase of temperature, the antifungal activity of active substance NO.026- I showed a downward...

The start of electrostatic gyro monitor(ESGM)requires sailing at uniform velocity and constant latitude .This is difficult to achieve and hard for the sailing . Analyzing the data of floating start base on the starting principle of ESGM .The result shows that, ESGM can use floating startmode in some...

Analysis of the seven steps of the Graph Data Modeling approach to obtain application functionality by utilizing the links (relationships) between entities (nodes) of the Named Entity Recognition (NER) entities was the aim of this study. The seven steps have two main models: the Initial and the Refactoring...

Silica gels catalysts containing undecatungstocobaltoindic heteropoly acid were prepared by means of sol-gel method. Infrared spectra revealed that the Keggin structure characteristic of InCoW11O397- anion was present in the silica gel skeleton. The regularity of the change of the characteristic peaks...

This study examined the possibility to remove color causing-compounds from effluent by pulse electrocoagulation. For better result, this work is focused on the comparison of energy saving effect at different current density, pulse frequencies. During the pulse electrocoagulation experiment using sacrificial...

Based on the principle of hydraulic mechanical stepless transmission is tracked vehicle hydraulic mechanical differential steering system can effectively improve the vehicle's steering can win, is has good prospects for development of a tracked vehicle steering model. Papers on tracked vehicle and its...

We reported a simple oleylamine-mediated method for preparation of Bi2S3 nanorod materials using BiCl3 and thiourea as reaction precursors. The as-obtained products were characterized by powder X-ray diffraction (XRD), X-ray energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM)...

The relevant increase in the number of uncontrolled space debris is nowadays considered one of the main threats for future sustainability of space activities and space access. With the increase amount of space debris, space debris causes more widespread attention over the world. After analyzing the relationship...

We report on the visible-light responsive Bi-doped In2O3 nanospheres, which were synthesized via a simple solvothermal reaction between Bi(NO3)3•5H2O and In(NO3)3•4.5H2O in the presence of absolute ethanol and ethylene glycol by adding urea and annealing it at 400 0C. The effects of experimental parameters...

In this paper the three-dimensional design of animation which is based on computer software is studied. The method that is used to design the animation is introduced. Through the three-dimensional design of animation, the designers can use software like 3D-Max to animate the model and to exhibit the...

This study models the evolution of technology innovation network. Results argue that the growth of hybrid rice innovation network fellows S-curve by time; the innovation network fits preferential attachment as amended aging Lognormal distributions. And it implies that the degree distribution of the technology...

The scour process is closely related to the damage and failure of pipelines, so the study of the flow field around pipelines and the sediment transport below pipelines is especially important. Furthermore, the effects of scour propagation below submarine pipelines especially around span shoulders have...

In combination with one projectile engraving experimental facility, movement role of the facility and work principle of its parts are analyzed. And structural parameters are considered to have the most influence on the dynamic loading. A virtual prototype model is established by ADAMS (Automatic Dynamic...

Rutting is one of the most challenging and important distresses in steel deck pavement. The prediction of rutting depth is considered to be one of the most complex issues in pavement engineering. In this study, a large piece of linear track accelerated loading facility MLS66 was used to conduct the test...

According to the principle of SPC control chart, combined with the application module and service module of MES system, the SPC based MES system is realized, which contains Generation Control Chart sub module, Test Control Chart sub module, Product Field Monitor sub module, Data Acquisition sub module,...

In this work, we have synthesized N and S co-doped mesoporous carbons as highly efficient electrocatalysts to investigate the influence of annealing temperatures on electrocatalytic activity of N and S co-doped mesoporous carbon for oxygen reduction reaction (ORR) in alkaline media. The catalysts were...

For forthcoming 5G networks, Non-Orthogonal Multiple Access (NOMA) is a very promising technique. And in today’s world, Line of Sight communication is becoming increasingly harder to achieve. Hence, technologies like Reconfigurable Intelligent Surfaces (RIS) emerge. RIS-aided NOMA network is a widely...

As concrete-filled steel tube (CFST) is widely applied in practical engineering, it is also necessary to study its internal temperature in fire. This paper aims at discovering a simple method for measuring the temperature of CFST’s cross section. Through a series of tests, it is found that Abaqus finite...

Heating industry as a basic industry overall, leading effect on the development of the national economy, and is closely related to people's life. Since the founding of our country heating industry has been rapid development, but also there are very serious problems. China's building energy consumption...

At In the photovoltaic, maximum power point tracking technology is an inevitable problem. The perturbation method is simple to operate, easy to implement and so on, however, the traditional perturbation method tracks slowly and is easy to shake. This paper compares the tracking characteristics between...

A systematic study of the primary tar produced by Shubarkol coal distillation was conducted initially and demonstrated that it can be used to produce road and construction bitumen. Oxidation of coke-chemical tar allowed determining the optimum conditions (temperature and time) of the process, possibility...

This paper propose a novel algorithm to detect the center and boundary of iris in face images of low resolution for gaze tracking system. The algorithm localizes the eye accurately by face alignments and uses convolution to detect the approximate pixel of the iris center which can determines the iris...

This paper discussed that an algorithm solves the draw issue of number depth recognition. Depth recognition methods have used many fields and have wide development prospect. Many scientific research institutions and scholars are studying the depth recognition. When user writes in an MR system, a depth...

Live work on distribution network is an effective measure to avoid interruption maintenance and ensure normal electricity services. This paper mainly describes the organizational and technical measures and safety precautions for the live work on distribution network.

The research ranges of optimal operation for large pumping stations were analyzed. Energy losses of power transmission and transformation, pumping stations and water transmission should be considered when optimal models are constituted. Under the circumstances of pumping certain discharge or volume,...

In order to reduce outage time of the transformer after the single-phase fault, the fault phase is considered by using the spare device with similar parameters. However, the use of single-phase transformers with similar parameters to replace can lead some problems of operation because of the different...

Wind give the ship with sails auxiliary thrust, and the distribution route of wind energy resource has a significant impact on energy saving of ship with dual-sail. Rayleigh wind speed distribution model of Nanjing, Shanghai and Nantong city on the Wuhu to Shanghai route segments of Yangtze route is...

Along with the socio-economic development, more high living standards have being pursued by human beings. However, more time has been spent engaging in work and they have no extra time to look after their playthings (e.g., fishes, flowers). The primary objective is to design a smart monitoring and control...

Globalization as a process of world economic, political and cultural integration requires strengthening of control over dangerous plant diseases, pests and weeds. This is evidenced by strengthening of phytosanitary requirements in some countries (the People's Republic of China imposed a ban on wheat...

The turning link inevitably exists in organic fertilizer production process. To solve numerous problems caused by low degree of automation in the turning process such as high labor intensity and low efficiency, a SCM-based automatic tracking motion system of organic fertilizer turning machine was developed...

It is known as the third wave of the information industry after the personal computer and the Internet technology. IOT is an important breakthrough in the new century. On the basis of analyzing the system structure and technical characteristics of the Internet of things, the key technology of the Internet...

This paper main provides some mathematical methods to calculate the distribution of the space debris and the damage they brought each year. Through the statistical data recorded by NASA, we can get the flux and the amounts through Kessler model. When combined with NASA's Break up model, the debris' classification...

The calculation method and formula of orifice area and area gradient of double triangular groove and U shaped groove assembled shape orifice is analyzed, the calculating program of valve orifice area is established in MATLAB software. It uses polynomial segmentation to fit the combination valve orifice...

After the wireless sensor network nodes deployed on the detection region. It needs scheduling algorithm to optimize nodes deployment and make full use of sensor nodes’ energy consequently. This paper proposed an energy efficient nodes scheduling algorithm. It could make better use of wireless network...

With the flipped classroom widely use, its shortcomings during use gradually emerged. Author’s research group explored the integration and innovation of C programming course flipped learning style based on the traditional teaching and modern educational characteristics, task-driven teaching method combined...

Because of its long tradition of printing and dyeing technology cycle, complicated production process, and the pollution of the environment, energy consumption in the future development of the ecological environment has hazards. By using Ultra Fractal to simulate fractal tie-dye pattern, reproduce the...

The consecutive layer of a nickel alloy was deposited onto a GH864 nickel-based superalloy gas turbine engine blade using laser cladding. To ensure the performance of blade, the gas turbine with laser cladding repaired blades worked two weeks and a detailed measurement and investigation were performed...

Recently, large-span cable structures are widely applied in the stadium, exhibition center, airport terminal and other public buildings. At the same time, there are some risks caused by the accidental loading in the application period, such as terrorist attacks, the car collisions, falling objects and...

The inner plate can be used to stiffen square tubular T-joint in order to improve the performance of square tubular T-joint and the radial stiffness of square tube. In this paper, tow methods of experiment and numerical simulation have been used to study the strengthening effect. Three scales of welded...

For further research on microscopic pore characteristics and its geological accumulation significance of coal bed, coal samples from drilling holes of Baode, Shanxi province in China were collected to perform scanning electron microscopy (SEM), mercury injection and low-temperature nitrogen sorption-desorption...

The title compound has been synthesized and its crystal has been cultivated. The crystal structure was determined by single crystal X-ray diffraction . Crystal data: C5H5N5O7, trigonal system, space group R3, a = 22.881(13)Å, b = 22.881(13)Å, c = 9.506(4)Å, = 90°, = 90°, = 120°, V=4310.1(4)Å3, Mr = 247.14,...

The bioactivity of titanium treated with boiling diluted alkali process was evaluated by immersing the specimens into a supersaturated calcification solution (SCS). Biomimetic bone-like apatite with typical characteristics of low crystallinity and lower Ca/P atomic ratio ranging from 1.33 to 1.45 was...

In this paper, a new topic of elderly support environment with the new design concept is introduced. The research on the living environment of elderly is based on slow city design. The different design concepts and theory for elderly are studied. With the development status and trends of Chinese aging...

In this paper, the energy saving 3D wireless sensor networks Iterative Split Clustering Energy Angle Routing (ISC-EAR) algorithm will be proposed and also discuss the design and calculation process in theory. The simulating calculation under different topology, compared with the baseline algorithm the...

Berthing/unberthing operation is a ship’s transformation from one status to the other through the integrated cooperation with crew, ship and the environment. Each process of the berthing/unberthing is complex and unduplicated and its safety is hard to be assessed through traditional mathematical and...

Modal performance of the automotive instrument panel has been studied in this article. Finite element software Hypersh/ OptiStruct has been used in modal analysis in this article. This paper first calculated the modal frequency and vibration shape of the instrument panel. Engineered modification has...

Fiber optic gyroscope (FOG) plays an important role in shipboard antenna system. The technical specifications of FOG include B.bias and SF. The paper describes in detail the methods and processes of system modeling and performance analysis with MATLAB as well as the stable precision simulation with Simulink....

Portable low-power design has gained increasing significance due to user demands for fragmented usage scenarios and the pursuit of energy efficiency, environmental sustainability, and extended battery life. The two-stage operational amplifier (OPAMP) circuit, characterized by high gain, low power consumption,...

In order to evaluate the effectiveness of automatically generated attack airline from mission planning system. The evaluation model is put forward, which is the integration of fuzzy theory, the grey system theory and multi-objective decision method of TOPSIS (Technique for Order Preference by Similarity...

By analyzing the overlying strata caving characteristics and properties of porous media that a heterogeneous porous media properties mined crack rectangle landings is formed in the mined-out area. Introduction of translation-diffusion equation and to simulate the flow of gas diffusion behavior; by the...

Traditional ant colony algorithm is applied to mobile robot path planning, existing to slowly solve, slowly convergence speed, easy to fall into local optimal .A kind of double ant colony optimization based on combined optimization is proposed. Forward ant searched path be combined with backward ant...

The central heating system is an important infrastructure of city, because it has the advantages of energy saving, environmental protection and the quality of heat supply and so on, will be more widely used in the "energy-saving emission reduction" in the environment. Heat supply network is an important...

A Pilot study on advanced treatment of wastewater produced by pressurized coarse coal gasification was done in a coal chemical plant. The feasibility of catalytic ozonation, UV/O3, and Fenton process in the advanced treatment of wastewater produced by pressurized coarse coal gasification process was...

Piezoelectric Micromachined Modal Gyroscope (PMMG) researched in the paper is a novel kind of angular rate sensor, which is based on high order resonant mode of a piezoelectric body as its reference vibration. Three methods, finite element method (FEM), scanning vibrometer and impedance analyzer, were...

For the problem of pure electric vehicle drive control, a speed-current double closed loop control strategywasproposed by using the fuzzy self-adaptive PID theory, and thevehicle simulation model was established in Matlab/Simscape.The performance of the drive control strategy was verified bystarting...

In this study, novel kinds of CuxO nanocatalysts have been successfully synthesized with different reducing agents (aniline, O-methoxyaniline and 3,5-dimethoxyaniline) by a facile hydrothermal method. The catalytic performances of the as-prepared CuxO nanocatalysts were investigated systematically for...

For better use of soil particle size distribution (PSD) models and expand the use of large database held by national Soil Surveys (Katchinski's scheme) in China, 12 PSD models were proposed as the function of cumulative mass percentage of particles and diameter (mm) for 265 soil horizons (Katchinski's...

With the acceleration of energy transition, wind and solar energy are widely utilized due to their cleanliness and low carbon emissions. However, their intermittency and volatility pose challenges to the stability of the power grid. This paper focuses on the research of the integrated wind-solar-storage...

The optimum amount of Ti element in aluminum alloy sacrificial anodes was explored by analyzing microstructure, electrochemical impedance and polarization curve of the anode. And their corrosion behavior was determined preliminarily. The results showed that the aluminum anodes with 0.1 % Ti have fine...

The rapid power grid construction has raised higher requirements for the safe and reliable operation of transformer so as to reduce the operational costs. Under the new maintenance model, the maintenance should be timely exercised and issues properly handled if necessary so as to ensure the implementation...

Various genetic mouse models have been used to understand aspects of the biology of the neurodegenerative disease. A rapid growth of data collection from the mouse brain has put image registration, a key prerequisite step for brain image analysis in great focus. SyN (symmetric image normalization method)...

In this paper, we mainly propose a new semi-discrete central-upwind scheme to solve a MCLWR model based on fifth order improved WENO-Z reconstruction and semi-discrete central-upwind numerical fluxes. By introducing the new WENO-Z reconstruction, the order of accuracy of the schemes is improved, and...

In this paper, mainly through questionnaire's form, the citizens of Beijing to understand the degree of attention and cognitive haze of pollution control proposals, according to the degree of the pollution in Beijing City, with reference to foreign successful management experience, put forward relevant...

Interior and external environment of the high-speed train are connected by the ventilation system, but the structure of the complex ventilation system and slenderness is relatively large, and therefore can be a one-dimensional assumption. This paper selects IC06 carriage of high-speed train CRH380B EMU...

The import substitution program contributed to intensive growth of domestic viticulture and winemaking. In the southern regions of Russia, more than 250 thousand tons of grapes are processed into juice and wine every year. More than 50 thousand tons of grape pomace can be used for producing more than...

Vulnerability evaluation of lightning disaster is an important part of lightning disaster research and it is a typical multi-factor comprehensive evaluation problem based on index system. Multi-factor evaluation methods such as hierarchical zoning method, cluster analysis, analytic hierarchy process,...

Data visualization plays more and more important roles in the process of information technology popularization among the enterprises. With the enlargement of the valid data acquired in daily production, great challenges of data display for the users and utilization of the data, which requires scientific...

Black cotton soils are very expansive in nature. It is well known that they exhibit swelling nature when water is being dried out. These soils possess several foundation and stability problems of Civil Engineering structures constructed over them. Hence there is a need to stabilize the expansive soil....

The occurrence of algae in the water sources is a worldwide environmental health issue. Electrocoagulation/flotation (ECF), as an efficient, safety and environmental friendly algae removal technique without additional chemicals, shows obvious advantages on energy conservation and environmental security...

A sensor-less control method of permanent magnet synchronous motor (PMSM) based on sliding mode observer (SMO) is studied in the synchronous rotating reference orthogonal coordinate system in the work. The SMO is proposed under the synchronous rotating coordinate system and in which the sign function...

This paper summarizes three kinds of improved strategies for ant colony optimization algorithm: the improved strategy based on the structure of solution, the improved strategy based on the pheromone updating, and the improved method based on the solution processing. Taking the ant colony system as an...

This paper solves the problem based on the accident of the lost Malaysian flight MH370. Because lacking of the flight data after the plane losing contact, we define an enough big object searching region. According to the search area all the recue planes can search one day and the distribution of the...

Some areas have raised discharge standards for effluent total nitrogen (TN) concentration in China. However, the main component of effluent TN in the wastewater treatment plant is nitrate nitrogen (NO3--N). This research focuses on TN removal using deep-bed denitrification filter, the hydraulic retention...

An overall three-dimensional finite element model has been established to simulate the high pressure water conveyance tunnel lining strengthened with steel-bonded reinforcement method. This model is used to analyze the mechanical characteristics of steel plate pasted on the inner surface of the lining...

This paper makes a detailed analysis of the necessity and specific indicator system for technical and economic analysis of residential building design scheme. It points out that different designing schemes may be evaluated by different methods so as to achieve the purposes of being reasonable economically...

Material inventory management plays an increasingly important role in modern operations management within manufacturing enterprises. And a multi-attribute classification model has been put up based on the application of the decide tree model and fuzzy artificial neural network. First the material inventory...

The pearl river delta is not only located at the north of the south China sea, but also at the forefront of reform and opening up and economic development, while it is the most intense interaction in the land-sea relationship and outstanding contradiction in the human-earth relationship. On the basis...

The paper mainly discusses the temperature distribution in eggs from the heating process. For eggs' heating process, the paper would explore the temperature change rules from the analysis, the lumped parameter method, numerical method of three aspects. Based on each methods, diagrams would be drawn,...

This paper describes the design of the programmer, function of the practical programmer was introduced,and presents the chip type of the programmer can support. The study includes the innovative design for imaging electronics course teaching experimental device, object oriented higher vocational technical...

In order to train the workers of power stations, a simulation system of the fire-fighting equipments manual-control-pad is designed with a high-performance 32-bit CPU TMS320F28335 and an Ethernet chip W5300. The simulation system will start or stop 8 virtual fire fighting equipments by operating the...

The primary question in the debris flow initiation study is differentiation of the initiation process from other processes. This paper introduced a new experimental method and apparatus which can apply artificial rain, detect deformation, resistance and other variables. Based on the experimental data...

Three commercial wood activated carbons for air purification were selected for static adsorption/desorption of formaldehyde. The influence of the pore structure, surface functional groups and particle size of the activated carbon on the static adsorption of formaldehyde, and temperature on the desorption...

In order to investigate the corrosion damage of aviation steel material in the atmospheric environment, the present study used the 30CrMnSiA steel specimen to carry out the accelerated corrosion test simulated aviation steel material under the airport environment. The pitting depth was measured in different...

The ageing population increases significantly in these years. How to care for the elderly people living alone becomes an important problem. This design is a wireless monitoring system for elderly people living alone based on ZigBee and LabVIEW because ZigBee is a low power and low cost wireless networking...

Image is main source for human to acquire information,therefore,accuracy of image information is very important.In real life,due to the reasons of haze in the image,which we have obtained is degraded.The degraded image not only reduces the application value of image,but also brings many negative influences...

This paper establishes the three dimensional laminar mathematical physical model of dew point evaporative cooling in plate heat exchanger, according to the simplifying assumptions of the complicated course for heat and mass transfer and counter-current flow in dew point evaporative cooler ,using the...

In this paper, the key issues of the classical Hough transform XXX radar signal detection were studied, focusing on the parameter space is divided phenomenon, given to find the optimal partitioning method for XXX and radar to find the best way to divide and give a rational method of extracting the peak....

In this paper, a fabry-perot resonator (FPR) antenna for 5 GHz Wi-Fi applications with high gain and high impedance bandwidth (IBW) is proposed. For improving the performance of circularly polarised antennas, a 6 × 6 reactive impedance surface (RIS) based meta surface and a dielectric superstrate are...

Substation plays an important role in the power transmission system for it is a connecting link between the preceding and the following, and fire proof is an important link related to whether substation runs safely. In unexpected events, the normal operation of fire proof system is very important in...

In this paper, the energy on workpiece surface in electrical discharge machining (short in EDM) process were modeled and its related parameters were analysized, based on electron sputtering and the resistance heat reaction of current flow when the tool electrode is negative. The study shows that: when...

The conversion of progesterone (1) by Aspergillus sp. was studied. The major metabolites formed from progesterone were identi ed as 11 -hydroxyl progesterone (2), 15 -hydroxyl progesterone (3), 15 -hydroxypreg-1,4-dien-3,20-dione (4), 6 ,11 -dihydroxypregesterone (5).Conversion products were characterized...

More and more people are concerned about flood control and disaster mitigation. Beiyun River, as one of five river systems in Beijing, its flood control capacity play a critical role in urban flood control and disaster mitigation. Hence, the research on the relationship between the Beiyun River's rainfall...

Carbon emission, results in global warming, and endangers the survival and development of human society. Therefore, a series of climate change response agreement such as the "Kyoto Agreement", "Paris Agreement" are introduced. Although the United States has withdrawn from "the Paris Agreement", the development...

Spacecraft Relative State Tracking is not only the application foundation of space-based space surveillance system, but also the important prerequisite for space autonomous rendezvous and on-orbit servicing. Through making genetic algorithm (GA) embedded PF resampling process, the particle degradation...

Double row pile as a retaining structure in slope reinforcement and foundation pit support engineering and many other neighborhoods, it has a wide application. But due to the complexity and difference of the soil around the pile, the interaction mechanism between pile and soil is not clear. Calculated...

This paper mainly uses the angle of declination angle, and solar elevation angle and azimuth of the sun between the relationship, according to them with the longitude and latitude, date and time of the conversion formula, and the use of MATLAB software were calculated. It is concluded that the effects...