Advances in Engineering Research

In field operation, the transformer with good insulation design and insulation condition may failure caused by transient over-voltage. The accumulation of transient overvoltage reduces the reliability of transformer internal insulation without signs. Therefore, it is necessary to assess the over-voltage...

Piles of medical record data in hospitals or health clinics are personal information of a patient. The data is a patient’s medical history that is recorded and stored in the hospital. Hospitals can use this data if at any time the patient returns to the hospital or is used for referrals to other hospitals....

This study aims to analyze the factors that influence the survival of breast cancer patients using the Cox Proportional Hazard model. The data used comes from the NKI breast cancer dataset which includes information about patients, treatment and survival. Analysis was carried out using the Cox Stratified...

A new adaptive Canny operator is proposed which aims at the effect of image edge areas when traditional Canny operator under Gaussian smooth and the shortcomings of threshold level need to be pre-set. Firstly, the adaptive median filtering is adopted to process image; Secondly, this paper adds the gradient...

In this paper, the communication network system had been studied based on the schemes of efficiency evaluation. The relative assessment system and evaluation system had been designed via fuzzy analytic hierarchy process in terms of the timeliness, stability and security. Furthermore, the efficiency evaluation...

Our goal is to establish a model that makes the optimal strategy to keep a stable temperature and consume minimum amount of water. In specific, we are required to determine the degree to which are mentioned in the problem affect our model. In addition, we also need to consider the situation where bubble...

Research on Classification Environment Technology Diffusion of Occupational Tobacco Growers

The work described herein discusses the application of a high-resolution frequency wavenumber method-the Multiple Signal Classification (MUSIC) method which is different from the traditional frequency wavenumber (F-K) method for detecting and estimating the direction of travel (DOT) of infrasound. Synthetic...

Blades are critical parts of aero-engine and nuclear turbine, and it is important to inspect blades by optical method accurately. In this paper, an optical scanning device is designed for inspecting blades. In general, the main external factor affecting the accuracy in the process is environmental vibration,...

This article focuses on the standardized recruitment and training of civil helicopter rescuers. By giving a comparable study on the existing recruitment and training methods adopted domestically and internationally, the article takes into account the industry's characteristics and its development demands...

Ground mechanics is the study of off-road driving machine interaction with the ground in a mechanical discipline, vehicle dynamics and soil mechanics is a goalkeeper of combining the interdisciplinary, involving vehicles, ground and its interaction research of dynamics, etc. Mechanical parameters test...

A stannate conversion coating was designed for AM60B magnesium alloys. The influences of temperature and time on the surface morphology and phase composition have been tested using scanning electron microscope (SEM) and X-ray diffraction (XRD), respectively.Additionally,potentiodynamic polarization tests...

The paper takes the static and dynamic error of the harmonic gear drive into a full account, bases on the harmonic drive model to establish a system dynamics model and simplifies the infinite degree of freedom of harmonic gear driving system as a multi-degree-of-freedom system to derive the dynamic response...

With the rapid development of Internet finance and its applications, online banking fraud is becoming increasingly frequent. How to accurately identify the fraud data among the huge amount of transactions, is the urgent needs of Third Party Payment Center, Channel Department and other departments of...

Railway subgrade mud pumping is one of the most common defects. Unfavorable combination of soil, water, dynamic load is the main cause of subgrade mud pumping. Based on the source of water causing railway subgrade mud pumping, it can be divided into 5 major categories; on the basis of three stages forming...

Intersecting line usually appears on the 3-way or 4- way interface spare parts, forming the curves of surfaces. During the course of processing by CNC machine, the CNC processing program established by using computer assistant programming will greatly improve the effectiveness of programming. However,...

As a city’s landmark building, railway passenger stations are often large in space, crowded and extremely comfortable, which resulted in high energy consumption. Taking Taiyuan south railway station as a case, this paper introduced the green energy-saving design of the adaptable climate through natural...

Locationbasedservice(LBS) became more and more popular.ThecoretechnologyofLBS is positioning. For indoor positioning, the GPS (Global Positioning System) receiver can’t provide accurate results and even fails in positioning. This paper raises a method by using inertial sensors to realize a continuous...

The article gives the assessment of the state of agricultural landscapes by key indicators: the degradation processes in the investigated agricultural landscapes; the level of environmental sustainability of the agricultural landscape; the types of land forming the structure of cultivated land; the quality...

With the improvement of tennis technology in China, it is necessary to study the composition of its technology philosophically.This article attempts to make a preliminary discussion on some aspects from the simplicity and complexity, accuracy and fuzziness of natural dialectics category of tennis technique,...

Cloud computing is a distributed computing model that enables developers to automatically deploy applications during task allocation and storage allocation. Cloud computing is the sharing of a virtual computer resource pool and the storage, storage and computing power of the device. In cloud computing...

It is established that the physicochemical state of niobium pentoxide of various qualifications influences the properties of solid solutions of the binary system NaNbO3 - CuNb2O6. The article shows, that for practical purposes it is possible to use technical Nb2O5. Moreover, it shows that solid solutions...

Power supply reliability evaluation is an important link in the closed loop management of power supply reliability. It is of great significance to improve the professional management and the reliability of power supply reliability. Power supply reliability evaluation of power grid sustained supply capacity,...

In this paper, according to the internal structure of the boost pressure limiting valve, the actual working characteristics of the boost pressure limiting valve is analyzed, and the key factors affecting the work curve and cut-off point of the boost pressure limiting valve are summarized, then experiments...

The in-wheel driven electric vehicle is a kind of electric vehicle with special electric drive structure. It uses four independent wheel hub motors in the drive wheel to drive the motion of the vehicle. In this paper, an optimization algorithm is applied to this drive structure and a closed-loop control...

Vendor selection has an important influence in the supply chain. Therefore, choosing the wrong vendor has a bad impact on the company’s activities. The absence of a vendor selection system makes it difficult for decision makers to choose the right vendor. This study solves the problem of vendor selection...

Microplastics (MPs) are an emerging threat to aquatic health, with growing evidence of their neurotoxic potential. This study investigated the bioaccumulation and neurotoxic impacts of 5 µm polystyrene microplastics (PS-MPs) on the brain of Ctenopharyngodon idella under varying water velocity conditions....

The blended learning system, or what is known as hybrid learning, is a good learning method to use after the COVID-19 pandemic. This learning is flexible and not only focuses on face-to-face learning in class but can also carry out the learning process anywhere. The use of information technology such...

In today’s digital era, the Diploma 2 (D2) Computer Network Administration program plays a vital role in preparing graduates to contribute to the ICT industry. The success of this program, however, relies heavily on the effectiveness of internship experiences, which serve as a bridge connecting theory...

Fourth generation mobile communication technology (4G) have more features than the third-generation standards, the fourth generation of mobile communications technology to provide wireless services in different fixed, wireless internet and cross-nowhere band network, broadband can be anywhere Internet...

This paper proposes the concept of Tourism Resource Planning (TRP in short) and gives the definition and structure of TRP. Based on this, this paper analyzes the connotation characteristics and key technologies of intelligent tourism and designs the overall architecture mode of constructing intelligent...

Since the complexity of the structure of rock itself and the current test conditions is relatively simple, combined with uneven quality of test personnel, rock mass mechanics parameters are necessarily inconsistent with the actual situation. Based on grey relation analysis of parameters sensitivity of...

A pot experiment was conducted to study the effects of photosynthesis of Chinese cabbage under NaCl stress, and different concentrations of abscisic acid (ABA) solution about 1, 5, 10 and 20 mol-L-1was sprayed, control was sprayed water on leaves. The results showed that spraying ABA could improve the...

In order to further improve the speed of instructions' execution on the basis of the current multi-cycle processor and pipeline processor which is commonly used by MIPS processors, we implemented a simple dual-pipeline processor. To show its superiority, we followed the implementation of this three processors,...

The growth of infrastructure and development in an emerging country like South Africa may requires the construction industry to shift from traditional methods of construction to modern ones in order to improve productivity and enhance performance. However, most of the existing studies have been tailored...

In order to prevent humping defects in high speed laser welding, relationship between humping tendency and welding parameters such as laser power, welding speed and shielding gas blowing direction is studied in this paper. It is found that hump will appear periodically when the welding speed exceeds...

Detection and analysis of energy consumption is the information management systems, which not only help producers to expand production, but also rationally plan and use the energy, reduce energy consumption per unit of product, improve economic efficiency. The company managers can have an accurate grasp...

In order to remove the mixed noise in an image, proposed a weighted filtering algorithm. The algorithm divided a 3x3 filtering window into six horizontal and vertical sub-windows, found out every median pixel of pixels in every sub-window and the median of these median pixels, calculated the absolution...

In the overall balance of oil reserves of Russia, high-paraffin oils (HWO) make up, by different estimations, from 55 to 75%. Asphalt-resinous and paraffin depositions (ARPD) are contained in the composition of oils in almost all oil-producing regions of the Russian Federation (RF). High content of paraffin...

For today’s increasingly serious problem of urban rainstorm waterlogging, a rainstorm and flood model is established based on SWMM, which selects Guancheng District, Dongguan City, as a relatively closed region. Under the simulation of the design storm return period P=1a, we compared the simulation results...

Structure of steel-concrete joint section in hybrid girder of a grand bridge is studied. Taking Weihe grand bridge as an engineering example, structure combination of steel-concrete joint section and detail structure design including joint section connector, longitudinal prestressed reinforcement, steel...

From the perspective of the central government, this paper analyzed that the externality of pollution control would lead to market inefficiency, and studied the implementation in dominant strategy equilibrium and sub-game perfect Nash equilibrium. Study found: Market inefficiency came from private information...

Silica (SiO2) was used to modify the waterborne ultraviolet (UV) curing wood coatings, and the waterborne UV curing wood coating was prepared by optimizing the process parameters. The mechanical properties of the waterborne UV curing wood coating (hardness, adhesion and impact strength) and gloss were...

Right from the outset of the experimental determination of rock stress-strain response, researchers are performing uniaxial and tri-axial compression testing on the cylindrical specimens. In the last two-three decades researchers have made an attempt to develop constitutive model considering anisotropy,...

Based on graphene oxide and reduced graphene oxide, a novel gas sensor was fabricated with layer-by-layer self-assembly techniques. The negatively charged graphene oxide sheets and the positively charged reduced graphene oxide sheets were layer-by-layer assembled on positive Au electrodes. The gas sensor...

In order to improve the stiffness and dynamic characteristics of the bed for CNC lathe, based on the solid isotropic material with penalization approach, the CNC lathe mathematical model of topology optimization is developed, in which minimization of the compliance is taken as objective function and...

With the pull-out test on 30 specimens, influences on bond performance between them were studied by changing diameter of BFRP rebar, coral concrete compression strength and bond length of BFRP rebar in coral concrete, respectively. The study indicates that the limit bond strength between BFRP rebar and...

Crystal reports to achieve a high degree of integration with mainstream programming language, is currently the most widely used professional reporting system. The software is designed and developed based on crystal reports, provide diversified and standardized report to dormitory charges. Firstly, research...

A 3D mathematical model to the condensation of pure vapor flowing downward in an inclined flat finned tube is proposed and implemented numerically in Wolfram Mathematica®. The predicted values for condensate rate and mean condensation HTC(Heat Transfer Coefficient) are in good agreement with the experimental...

Effects of Cyphomandra betacea seedlings intercropping with F1 generations of Solanum photeinocarpum on soil enzyme activity under cadmium (Cd) stress were studied. The activities of soil catalase, soil polyphenol oxidase, soil sucrase, and soil urease were measured. The results showed that under Cd...

In order to get the optimized process parameters for etching ZnS by inductively coupled plasma (ICP), a mixed gas of CH4, H2 and Ar is used for the etching. This paper studies the influence of ICP etching rate and surface roughness after etching of ZnS by changing the process parameters of CH4/H2/Ar...

To add new raw materials to the bread recipe in order to increase the nutritional value is associated with the changes of the properties of the dough. First of all, these changes relate to the fermentation processes and rheological properties. Flax can be used for directional modeling of food value of...

The models of multivariate analysis of variance and models of artificial neural networks based on the D-optimal design of experiment were carried out to predict the relative contact bearing area (tfМ, %) of the parts from titanium alloy VT22 during grinding. Parameter tfМ of part surface, measured using...

The article focuses on the partial discharge phenomenon of high-voltage switchgear. On the basis of grasping the significance of online detection, the paper analyzes the type of partial discharge of high-voltage switchgear and the specific detection methods. Based on the data obtained from the research,...

Based on the analysis of digital baseband system transmission characteristics, SIMULINK software is used to simulate the digital baseband transmission system. Having been fully considered the possible factors affecting the baseband signal in the transmission process, a basic model of digital baseband...

Solar energy is clean and sustainable but intermittent in nature. Efficient storage of solar thermal energy is critical for its wider applications. This paper presents design and research on a thermal energy storage unit using phase change material (PCM). Aprototype of PCM heat exchanger with a helical...

This study aims to look at the level of damage to coral reefs based on Chaetodontotidae fish and biodiversity of Chaetodontidae fish on Maitara Island. This research was conducted in April to May 2019 at 2 stations. Collecting coral reef data using the Line Intercept Transect (LIT) method which is placed...

The role of Community Health centers apart from the traditional hospital setting is meant to provide and promote the health care needs of the community. Community health centers are nonprofit organizations providing a wide range of health services in the local community to people of all ages and sex...

In Indonesia, earthquakes generally cause human casualties, property victims, and shelter. The earthquake did not cause direct human casualties but was caused by the ruins of buildings during the earthquake, hitting people around them. What can be done is disaster mitigation, one of which is by promoting...

Flooding is a prevalent natural calamity in urban areas, particularly in tropical regions like Indonesia. Some places in Palembang are more likely to flood than others because of how people act and how nature acts. Human activities that contribute to flooding in Palembang include the construction of...

This paper presents a model of wheel-rod hybrid robot and analyzes the performance and function of connecting rods. The wheel-rod hybrid robot can not only effectively walk on a flat ground, but also own better crossing ability on an irregular surface. The wheels with connecting rods are simply introduced...

The purpose of the study is an analysis of the environmental safety performance at the local level (a coal mining enterprise) and proposals for improvement of the management decision support mechanism aimed at the environmental safety improving. The results of the study of theoretical and applied aspects...

The chaos optimization algorithm and immune algorithm are combination of their respective characteristics, which is a chaos immune algorithm. The test results show that the algorithm not only keeps population diversity, also better and faster convergence speed and search ability. The influence cause...

This review gives a summary about the application of enzyme assisted extraction in natural products, especially, the mechanism of enzyme assisted extraction and its further improvement. The target of this review is to find the potential value of biotechnology for industrial application.

HfSiN thin films were prepared by the solid solution of HfN and SiN precursor films through magnetron sputtering. The obtained films were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). X-ray diffraction(XRD) measurements show that the films have amorphous structure...

As the international maritime organization made mandatory for ship's atmospheric emission pollution control requirements in MARPOL6 convention in 2013, shore-side power technology applications in the domestic and foreign port can realize the effective control of atmospheric pollution to ships berthing...

Poly(L-lactide-co-morpholine-2,5-dione) (PLAMD) was synthesized via ring-opening polymerization (ROP) of morpholine-2,5-dione and L-lactide using stannous octoate as initiator. Poly(L-lactide-co-morpholine-2,5-dione) was characterized by means of 1H NMR, FTIR spectrum and gel permeation chromatography...

A Hybrid finite-discrete element Method is introduced to simulate fracture and fragmentation processes of Brazilian disc test. The transition from continuum to discontinuum through fracture and fragmentation is implemented through a combined single and smeared crack model. An integrated development environment...

Particulate emission of diesel engines which seriously affects environment and human health is a hot topic in recent diesel engine researches. In this article, a diesel engine particulate sampling devise was designed, particulate sampling experiments were done in different positions with different exhaust...

On the basis of classifying the landscape elements, the landscape pattern of the Dalonghu wetland park was analyzed with the principle of landscape ecology in this paper, The results showed that:(1) The landscape diversity of Dalonghu wetland park was high, but the distribution of the overall landscape...

In this paper, the separation process of ethylenediamine-water azeotropic mixture is investigated with Aspen Plus software. The sim- ulation results show that the extractive disti- llation column includes 26 theoretical plates, the D/F of azeotropic distillation column is 0.18, the feed location of azeotropic...

The mobility joint is of critical importance for the spacesuit to move from place to place. Especially, the joint configuration has a significant impact on spacesuit flexibility. This paper classifies the most commonly used soft joints of spacesuits into three types, namely for convolute joints, wrinkling...

Secondary pollution, caused by the stench gas from the sewage treatment plant (station), has become one of the key environmental petition complaint. In this paper, the impact of malodorous gases Harbin Brewery (Shenyang) Co., sewage treatment station for residents, set design and construction of washing...

The Dual Hesitant Fuzzy Sets (DHFSs) is a useful tool to deal with vagueness and ambiguity in the multiple attribute decision making (MADM) problems. The distance and similarity measures analysis are important research topics. In this paper, we propose some new distance measures for dual hesitant fuzzy...

In this paper, the model tests of 7 degree frequent earthquake, 7 degree fortification earthquake and 7 degree rarely met earthquake are carried out by using the seismic ground motion parameters of a design reference period of 60 years. Displacement of platen and columns, restoring force of foundation...

Third harmonic is usually combined with the standard sinusoidal signal to increase the DC voltage utilization within the Sinusoidal Pulse Width Modulation (SPWM) based inventers. The inverter of SPWM with 3rd keystone waveform was analyzed and the one with which to get the best DC voltage utilization...

A 220t/h circulating fluidized bed boiler is selected as a research object, the heat loss of the circulating fluidized bed boiler is studied by numerical simulation while the three major parts including the furnace body of the circulating fluidized bed boiler ,cyclone separator and rear smoke channel...

In the last few years, cloud computing has grown from being a promising business concept to one of the fastest growing segments of the IT industry. With the continuous evolution of global information processes, cloud computing has become a new Internet service model following distributed computing, parallel...

The viscosity of sludge not only affects its transport properties, but also the drying efficiency. In the paper, the sludge property of apparent viscosity was studied with the different types of sludge moistureÿcontent ofÿsludge and temperature with the help of NDJ series digital viscometer. The results...

Impact of traffic noise on buildings is becoming more and more serious in a big city. It is found that a suitable urban planning and design could reduce its impact. Shenzhen International Low Carbon Eco-city is a low-density place with a mixed land-use function only having one main road. It will be transformed...

10 kV lines reactive compensation of the rural power distribution network can effectively decrease the loss, improve power factor, improve the voltage quality. 10 kV lines automatic switching control of reactive power compensation devices, are usually classified as according to the voltage switching...

This paper presents an intelligent test system for automated testing of energy metering standard devices. The energy metering standard devices in this paper refers specifically to the low voltage current transformer. Under the same current ratio, the device has the same appearance size, connection mode...

In order to improve the maximum power tracking control of a small permanent magnet wind generator, an improved scheme based on fuzzy control is proposed in this paper after analyzing the composition and tracking principle of the actual small-scale generator. The experiment shows that the variable step...

Environmental, clean and sustainable new energy sources have been paid much attention by researchers all over the world due to the increasingly exhaustion of traditional energy resources and the worsening of the ecological environment. Wind and solar energy are typical new energy sources, they cannot...

In order to improve the security and reliability of the power lithium batteries, this paper introduced forecast and health management technology of its core content-remaining useful life, established a power lithium battery remaining useful life prediction method, by collecting current, batteries, battery...

This paper is devoted to the design of electromagnetic interference(EMI) filter circuit. In particular, the component parameters are carefully considered and optimized in assistance of 3-D electromagnetic software CST MWS. What distinguishes this paper from others is that an overall model of the filter...

The traditional rail detection method cannot meet the demand of line repair, so a detection algorithm for rail fastener based on computer vision is proposed, which combines projection method and scanning of pixels in specific region to position the position of fastener, and adopts gray-scale features...

3D point cloud techniques have been playing critical roles in industrial automation. Applications focused on automated assembly are thus becoming important in manufacturing industry to solve some particular problems. To implement automated assembly, Reinforcement Learning is employed in for planning...

Black rice yeast extract is rich in bioactive compounds that have the potential to be applied in the therapeutic field. Research on nano-encapsulation has a better storage period and protects against damage to bioactive components. Research on nano-encapsulation of black rice yeast extract with a poloxamer...

Biodiesel is an alternative diesel fuel, made from renewable biological sources such as vegetable oils and animal fats. Used cooking oil is one of the biodiesel raw materials. The development of biodiesel synthesis in this study focuses on production efficiency and reducing negative effects on the environment....

Autonomous robots require accurate mapping and localization systems for successful navigation. However, odometry based localization suffers from cumulative errors that cause position drift over time, affecting navigation performance. This study addresses this issue by integrating odometry data with LiDAR-based...

The southern margin of the Junggar Basin is a typical piedmont structure, which is characterized by complex structural types, large local differences, and fault fractures. The drilling engineering construction in this area is difficult, and downhole accidents are frequent, among which the Anjihaihe Formation...

The utilization of sandy clay is done by adding organic materials to minimize excessive chemical input. The purpose of this study was to determine the soil’s characteristics after applying cocoa husk compost and Pleurotus sp to 2 types of biochar, namely rice husk and corn cob biochar. Furthermore, the...

Polycarboxylic acid samples were prepared using methyl allyl alcohol polyoxyethylene ether (TPEG) and acrylic acid (AA) as raw materials using an redox initiator system (ammonium persulfate sodium hypophosphate). Explored the influence of polycarboxylic acid molecular weight on microstructure and application...

Dynamic recrystallization (DRX) behaviors of a near- titanium alloy during isothermal hot-tensile tests were investigated with finite element simulation and electron backscattered diffraction (EBSD) test. The results show that the DRX behavior of the alloy is strongly sensitive to the strain rate, i.e.,...

In the manuscript, the forming limit for cross-section distortion is defined according to the employing area and aviation standard. First, the definition and determination method of forming limits is proposed. And then, the effects of process parameters on forming limit are investigated based the 3D...

Vehicular Ad-hoc Networks (VANET) is the research focus of ad-hoc network technology in recent years. Due to fast-moving and other properties of Vehicles, it is extremely easy to change the Topology of the VANET, and communication channels of VANET may become unstable. Then the system performance of...

The resources of traditional folk arts and crafts have distinct regional and essential features, which are defined as a treasure house of visual art in modern design. A case study of folk arts and crafts in the northeast of Jiangxi province is made in this paper, which has sorted out the present situation...

Vanadium pentoxide (V2O5) nanosheets are successfully synthesized by a hydrothermal method, followed by a high-temperature sintering treatment. Several advanced techniques are used to characterize the morphology and composition of the nanostructures, such as transmission electron microscope (TEM), high-resolution...

Binocular head-eye platform is mainly used in the recognition of active objects, and can quickly and flexibly achieve a wide-range image information collection. The existing binocular head-eye platform usually uses small camera with fixed focus lens to obtain image information, so there are some problems,...