Advances in Engineering Research

This paper, by comparing the existing problems of distribution network technical transformation and the advantages of energy management contracting, puts forward the necessity of the implementation of energy management contracting mode of distribution network transformation of the power grid enterprises,...

Compared with the conventional adaptive spatial filter algorithm, blind beamingforming algorithm is endowed with the capacity to protect desired signal, suppress interferences and reduce noise without the information about arrival direction of desired signal, thus leading to the wide application in many...

Firstly, according to the topology of conventional chopper cascade speed system to analyze the transient process of main loop during of contactor operation when device failure. Because the contactor action requires a longer time, Equipment is vulnerable to the impact of high voltage, high current during...

During the product design of a mechanical equipment, story information element could convey Products Identity (PI) more accurate and vivid. After analyzing design requirements, researching and summarizing story information elements, useful design material would be found. The method of expressing story...

Using typical fish samples collected in the north Pacific on 2011 to 2012, adopting High Purity Germanium (High Purity Germanium) passive scale efficiency detect gamma spectrometer, radioactive nuclide 134Cs was detected in all samples. Using classification and sub-organs and other treatment methods...

This paper describes in detail the web data mining technology, analyzes the relationship between the data on the web site to the tourism electronic commerce (including the server log, tourism commodity database, user database, the shopping cart), access to relevant user preference information for tourism...

A novel magnetic nanocomposites (MNCs) adsorbent was synthesized for the removal of methylene blue (MB) dyes from wastewater. The inner core Mn0.6Zn0.4Fe2O4 magnetic nanoparticles (MNPs) were coated with an outer shell of silica based on a facile method using tetraethylorthosilicate (TEOS) as a precursor...

In this study, ten full-scale Douglas fir wood beams, broken down into two groups, were tested under monotonic loading and a three-dimensional finite element method based model was developed to study the influence of longitudinal cracks on the flexural behavior of such beams. The test results indicated...

Social Network Service (SNS) includes QQ, Facebook, Twitter, Blog, etc. Studies show that in the complex network, 20% of nodes with degree accounted for 80% of total degree. So the importance of each node is very different in the network. Many researchers dedicated to studying of complex network centrality,...

Big data transmit within the wan efficient and steady is the premise of the big data applications.The solution of traditional wan data transmission is mature, but there are many limitations in the era of big data. Transmission efficiency is poor and it is not apply to multi-source data transmission.The...

The research work was carried out in the period from 2014 to 2018 in the city of Tyumen. In this period 3,237 cats of different breeds and ages were examined. The investigated reproductive disorders were found in 389 cats. It was established that these disorders are widespread in Tyumen and their percentage...

Roller automatic production line adopts the unit management system, and has six management control units. And each of these units takes the 840D system as the control center and adopts PROFIBUS network for communication between unit and unit. The realization of synchronization function between internal...

The close linkage relationship between inland port and regional economic development causes the construction boom of domestic inland port, inland port's large capital investment and low operation efficiency can't match with regional economic development. The paper uses DEA data model to make a quantitative...

A new digital image encryption method is proposed by introducing a chaos mapping combining matrix operations on Galois fields. The original image is mapped into two matrices by using chaos mapping, and then the original image matrix is processed sequentially with the two matrices over a Galois field...

The basic principle of inter-isolated structure is expounded, the application of the inter-isolated structure is analyzes home and abroad, research ideas and progress in recent years of are summarized in detail, and the earthquake disasters research focus of the structure is put forward. The study shows...

Online Trading System with Reverse Image Search is designed for people to post their items up for trade. Compared to the bartering and trading system in different social media platforms, this system assures traders that all registered individuals have a valid identity, which may avoid bogus transactions....

Increased heat transfer rates in industrial heat exchangers are the subject of ongoing research. The heat transfer augmented by passive technique and active technique especially at intermediate Reynolds numbers in pipe flow. Passive procedures include inserting various sorts of inserts into tubes. Active...

Selecting reasonable gas pipeline materials is of great significance to improve the safety and reliability of gas transmission and distribution system and reduce the project cost in gas engineering. A method used for selection of gas pipeline materials is presented used VE theory. In this method, a mathematical...

For the rapid development of economy, China has seen more than 200 million kW capacity of hydropower plant installed and more than 55 billion m3 reservoir storage formed since 1950s. As a result, over 25 million resettlers have been wholly or partially affected. To displace and settle so many people...

With the development of science, technology and production, there is an increasing demand for high-current power supply, which is widely applied in research of high-speed railways, subways, electric cars, DC transmission and electromagnetic measurement science. The commercial high-current power supply...

In order to achieve a group of desired nutrient agent of indigenous microorganism of oil reservoir after polymer flooding in Daqing oilfield, biogas production experiments, physical simulation experiments and 16S rRNA gene library experiments were carried out. The first and second group of nutrient agents...

First, this article analyzes the Application layer Distributed Denial of Service(DDoS)'s attack principle and characteristic. According to the difference between normal users' browsing patterns and abnormal ones, user sessions are extracted from the web logs of normal users and similarities between different...

This article based on the analysis of system and system thinking as the foundation, through to the existing problems of coal mine safety monitoring system for a comprehensive analysis of the system, points out the existing problems of China's coal mine safety monitoring system, and expounds the various...

Normally, transformer overloading capacity is calculated using method in guide for loading mineral-oil-immersed transformers. However, the method is not so accurate for every transformer. Therefore, a modified BP neural network based on transformer overloading calculation model is proposed. With BP neural...

Coal mine in China is mainly underground mining, it need a large number of underground roadway engineering, to keep roadway and surrounding rock stability of coal mine construction and production safety is of great significance. Bolt or anchor support in coal mines has become a main supporting way in...

With the development of industrial and information technology, the power users increasingly demand better power quality. Therefore, the power department needs to monitor power quality in real time, and timely take appropriate measures to adjust the power quality. To overcome the shortcomings of wired...

The problem of the balance of the cantilever rectangular thin plate under the uniform load is solved by using the minimum potential energy of mixed variables. The solution process is clear, and the deflection surface equation is given. Through the numerical calculation, the calculation results of the...

This paper presents a design of the government procurement management (GPM) system to improve the problems that may occur during the purchase process, such as unscientific technical recommendations, unclear purchasing procedure, slow process and complicated analysis of statistical data. The system sets...

Centralized exhaust system commonly used in high-rise residential buildings. Kitchens are the focal point in the design of ventilation. In order to solve the problems of oil fumes reflux and odor migration, simulation studies are carried out on the uniform ventilating duct and variable pressure ventilating...

Suboptimal pharmacokinetic properties, such as poor water solubility, limited stability, and severe side effects, still limited the therapeutic efficacy of drug for cancer chemotherapy, but there has been many strategies to improve these properties. In this paper, we combined several methods in a single...

With the development of science and technology and the improvement of living standards, people in ensuring the precursor of family safety on quality of life and intelligent family life increasingly high expectations. But the quality of life only in terms of temperature and humidity real-time monitoring,...

the article firstly introduces two main high-speed locomotive vehicle semi-active control strategy, and aims at SH-ADD a new hybrid semi-active control strategy are discussed in this paper From the point of the research results of the example analysis, the SH-ADD hybrid semi-active control strategy has...

Circulating water intake-drainage project is an important part in Power Station. The difference of circulating water quantity and intake-drainage method has various impacts on the circulating water intake-drainage project. Flow field variation of different water drainage projects (drainage by and open...

Based on the analysis of the circular crane working principle, nonlinear dynamic mathematical model is established for the anti-sway payload, and the dynamic simulation is carried out by using Adams. It is verified that the swing angle could be reduced by controlling the acceleration of trolley and cart...

Keywords distillation and document summarization are important task for many text applications. Existing methods have been conducting these two tasks separately without considering the relationship between the two tasks. In order to capture and make better use of their relationships between these tasks,...

Toxic micropollutants in rainwater challenge the effective reuse of rainwater. This study proposed the application of newly developed vacuum-ultraviolet (VUV) in the advanced treatment of rainwater, and assessed the efficiency and feasibility in application. The VUV was generated from the UV lamp made...

As the development and utilization of heavy metals in human society more and more, along with the increasing number of heavy metals are released into the water, more and more of the heavy metals are discharged into water bodies. After the heavy metals are into the water, the primary producers of algae...

Along with the power market reform in depth, the financial capital market as a breakthrough in the power industry reform and development, accelerate the process of electricity market. This paper introduces a method of power market risk hedge futures trend under the system.To ensure that the market depth...

Based on investigation data on Pb in surface waters in Jiaozhou Bay during 1979 to 1983, this paper analyzed the annual change of both contents and pollution levels of Pb. Results showed that Pb contents in surface waters in Jiaozhou Bay in 1979, 1980, 1981, 1982 and 1983 were 0.25-1.52 g L-1, 0.07-2.71...

Today, aviation simulators are complexes for training pilots flying an aircraft in normal situations and in pre-emergency situations. The pilot, piloting an aircraft simulator, manages an airplane model. The airplane model moves in a three-dimensional space model. The pilot monitors the movement of the...

The relationship between equity structure of commercial banks and its performance has always been a hot spot in the financial sector, this paper uses the 2007-2013 annual report data to analyses the relationship between ownership structure and performance of three kinds of listed commercial banks(state-owned...

In order to study the stress distribution law of simply-supported bridge deck pavement the finite element software ANSYS is used to building the overall structure model of the composite bridge deck. The huge difference of materials of interface of concrete cushion layer and asphalt pavement layer in...

With the wide application of RDF(Resource Description Framework) data, the data volume grows rapidly. Therefore, RDF storage has become a hot research issue in data storage field currently. Distributed storage is an effective way to solve the storage and query of RDF data, and data partition is the premise...

Energy shortage and environment pollutes aggravate ceaselessly all over the world. As a green clean pollution-free renewable energy, tidal current energy has characteristics such as large reserves, wide distribution, predictability, little environmental pollution, etc. Development and utilization of...

Titanium nitrides composite ceramic coatings are a material which possesses high mechanical properties, being often used in order to protect the substrate thus increasing their lifetime and also working in harsh environments.In this study, the paper presents the experimental results on deposition of...

Starting from the whole life cycle of the distribution network planning project, overall consideration should be given to the cost at different stages within the projection period distribution network planning project, and the time value of money. At the same time, consideration should also be given...

The safety coefficient based on finite element method (FEM) has not corresponding evaluation standard, which limits the usage of FEM in roller compacted concrete dam (RCCD). In order to popularize FEM to RCCD more widely than ever, it is necessary to study the evaluation standard for RCCD safety coefficient...

In engineering design and experiment, the speed of DC motor is often controlled. The common way is to generate PWM wave through timer, and adjust the speed of motor according to duty cycle. In theory, the velocity is proportional to the duty ratio. But in practice, because of the resistance, friction,...

This paper is concerned with the problem of reachable set estimation for fuzzy cellular neural network with unit-peak bounded. Based on the Lyapunov-Krasovskii functional approach, delay -dependent conditions for estimating the reachable set of the considered system are derived. Moreover, an example...

Marble powder is produced during the production of marble waste, the Chemical compositions of marble wastes were comparable with limestones. Therefore, the marble powder can be used instead of limestone flue gas desulfurization. In view of these, the marble powder can be alternative sorbent in WFGD....

In order to deal with the problem of trajectory privacy disclosure in mobile social network, this paper proposes a personalized mobile social network trajectory privacy protection scheme based on sensitivity degree. First of all, according to the various types users of different privacy needs, the appropriate...

This research is focusing on a single project with intention of achieving in-depth understanding on how the handling of the power plant project deviation. This research is focus on the delivering process of heavy lift equipment to Nabire by PT. Agility International. How do PT. Agility International...

Bacteria concentration is one of the important parameters throughout the fermentation process, and in the whole process of fermentation it is an important basis for judging the feeding. Bacteria concentration in the end is the important factor that affects product concentration, so the appropriate bacteria...

This paper analyzes favorable properties and realization principles of probabilistic neural network and elaborates the original image pre-processing and normalization processing of hand-written numeral, proper vector extraction, network model building, and other key techniques. Finally, this paper checks...

So far a large number of researches have shown that the cyanophages have a higher diversity in the marine and freshwater environment, but the report about the genetic diversity of cyanophages in wetland is little seen. In order to understand the genetic diversity of bacteriophage communities in Napahai...

With microcrystal muscovite (MCM) as the carrier, butyl titanate as the source of titanium, acetic acid as the inhibitors, copper nitrate as dopant, Cu-doped nano-TiO2/MCM composites were prepared by the sol–gel method. Then the composites were calcined at 500 oC for 2 hours. The samples were characterized...

The damping valve structure of shock absorber usually takes throttle slice as the main part, when the pressure difference at both ends of the valve and the pretightening force of the valve slice can be overcome, annular gap will be formed between the valve body and slice to form throttle channel, so...

The new MPEG-H/H.265 High Ef ciency Video Coding(HEVC) standard greatly promotes the video compression ef ciency and also creates new opportunities and challenges in perceptual video coding. To measure the perceptual quality, Mean Opinion Score (MOS) is obtained by averaging human scores in subjective...

Compared with low-solid state, high-solid anaerobic digestion has the advantages of requiring less reactor volume, less energy input for heating and mixing and producing nutrient-richer fertilizer. Besides, it also has a higher net energy yield. It is urgently necessary to pay attention to the resource...

In order to cut down fresh water consumption and reduce wastewater emission in industrial production, water pinch technology principle was introduced to optimize the design of water supply network of the coal chemical industry. The results show that under the premise of ensuring adequate water consumption...

With the rapid development of civil aviation and the significant improvement of people’s living standards, taking an air plane has become a common and efficient way of travel. However, due to the flight characteristics of the aircraft and the sophistication of the fuselage structure, flight delays and...

In general, an image of woven fabric sample can be regarded as a typical textured image. The detection of local fabric defects is one of the most captivating problems in computer vision and has received much attention over the years. In the textile industry, careful inspections for woven fabrics have...

Fissures in the high stress mass of deep buried had a great influence on mechanical properties and wave velocity of rock mass. Based on similarity theory, Rock like materials simulated deep buried marble of Jinping-II Hydropower Station. Under different fracture and different confining pressure, the...

In numerical simulation of Concrete Filled Steel Tubular (CFT) columns the treatments to simulation the contact between steel tube and concrete differed greatly between the researchers, and there is also no any unified standard for the friction between the concrete and steel materials. To examine proper...

Flame-retardant epoxy resin composites were prepared via in situ polymerization of diglycidyl ether of bisphenol A epoxy monomer and 4,4'-diaminodiphenyl methane, using 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide as additives. The thermal and flame-retardant properties of cured samples were investigated...

The pressure pulsation of network can be reduced effectively by using buffer,discussing the effect of the tangential inlet buffer and radial buffer with different outlet conditions. The reason that affects buffer performance can be gotten through the analysis of internal flow flied and fluid path lines...

Purchase behavior trend of online shopping customers is predicted in this paper via a Negative Space-Trust Model. Based on cognitive psychology, this model we build mainly focuses on the influences of three types of negative space proportion in e-commerce webpage design (negative space proportion of...

The light steel-wood- plastic structure of the Dai national folk houses combines the development history of Dai buildings and national culture, which is a new structure suddenly rised. This structure not only meets the local living requirements, but also is one green building.Besides, the structure is...

As the hub equipment in the distribution network, the transformer fault is difficult to diagnose because of its complexity and diversity. The reasons causing these failures are very complex and unobvious which make the transformer fault diagnosis and analysis very difficult. If the state of the transformer...

China and the United States are the top two carbon emitters worldwide, and bilateral trade between the two countries plays a vital role in driving their emissions. Defining the key drivers and sectors for the emissions embodied in China-US trade will provide opportunities for identifying avenues for...

An integrated wireless control and operation, intelligent detection, intelligent control and discharge mode of transcranial electrical stimulation system is designed. The stimulation system can real-time detect and adjust immediately to electromyography, the stimulation parameters according to the results...

In this paper, decoupled form of CFD methods considering important design parameters is applied to model and predict the surface flow on fluids. Application of Coanda-effect on-going trends of particle removal methods for determination and prediction of cleaning performance in a camera lens is a new...

We address the problem of describing and integrating long range information efficiently, such as the information demonstrated by super-pixels (patches), into conditional random field (CRF) model for object segmentation. For those purpose, a novel structural relationship between patches are defined for...

In order to shorten the shipboard stable platform’s development cycle, reduce its development cost and facilitate experimental research, a new type of six-axis simulation/testing turntable was proposed in the paper. The turntable’s application and performance index were introduced from the system's composition...

In this paper, we summarize the progress in the aspect of increasing field of view in adaptive optics. We present the isoplanatic challenge and the limits of conventional adaptive optics. Moreover, we briefly list the development of tomography and researches on the error of tomography in theory and experiment...

Cattle demodicosis takes a special place among parasitic diseases. It causes economic damage due to considerable reduction of meat and milk production, quality of rawhide, reduction of the breeding value of young stock, body resistivity and even the death of animals. The purpose of the study was to analyze...

The detecting unit of the roller automatic production line detects the key parameters of each roller and archive them, to analyze whether the roller product performance standards according to the detecting information. The detecting data was stored into SQL database using the VBS of the WinCC software...

To accurately predict and design deflection rate of screw tools is one of the key technologies to steering drilling. The artizaoxiel cle based on the principle of minimum potential energy, considered the influence of clearance between the side-wall and the stabilizer on deflection rate, gives a definition...

Due to the operating poison is far, the line of sight is not good, inconvenient operation is caused when using the operator lever, in addition, replacing insulator need to be replaced different functions pin puller. To solve the problems, this paper development a visual multifunction control lever and...

This paper designed an indoor environment monitoring system, in order to enhance the quality of indoor air. This system can accurately measure the temperature, humidity and the concentration of oxygen, carbon dioxide, carbon monoxide, formaldehyde, PM2.5 and PM10 using the sensor array and transfer the...

This paper is based on the traditional network of bayesian, introducing the concept of the time window, to construct the Temporal Bayesian Network (TBN) model. In addition, optimizing TBN model reasoning algorithm to process system data which has the temporal haracteristic. Then we can obtain the posterior...

This paper proposes a current compensation system for dc offset in transmitting digital-analogue converter (auxiliary DAC) firstly, which solves the DC offset existing in DAC output current. It greatly enhances the flexibility of the output DC offset controlling and improves the consistency of output...

Corner detection is a kind of important method for image feature extraction.This paper analyzes the Harris corner detection algorithm, due to the phenomenon that original algorithm of corner response functions are gathered is existed in the high resolution image detection, this article solves the distribution...

with the fast rapid development of high-speed railway and heavy haul, the company of a locomotive bogie assembly line production capacity and production efficiency needs to be improved. In order to improve the production efficiency of the assembly workshop of the bogie and improve annual output and save...

This paper analyzed the content, distribution, source and background level of Cu in Jiaozhou Bay and the open sea based on investigation data in 1985. Results showed that the Cu contents in surface waters ranged from 0.10-0.43 " "g L-1, and were meeting Grade I in Chinese Sea Water Quality Standard,...

Multi-walled carbon nanotube (MWCNT)/Pb-Sn composite coatings and Pb-Sn alloy coatings were prepared by electrodeposition technique, respectively. The Internal stress of the coatings was studied through changed the Process parameters and the binding force of the coatings were compared through Thermal...

Economics affordability like safety, reliability, maintainability, is the inherent attributes of aircraft. Total life cost is the main economic index for aircraft. Active economic design for aircraft shows cost as independent variable. And economic design should consider total cost throughout the product...

Forecasting passenger flow accurately, especially for the whole network, is extremely important for the holistic optimization of transportation organization. This paper is concerned with the entire high-speed rail network, not just focusing on one single channel, and proposes a complete forecasting process...

Bacteriophage is abundant in various aquatic environment. Napahai is a seasonal plateau wetland located in Yunnan of China. But the reports on phage abundance of Napahai have not been seen. The object of this study was to make an accurate estimation for phage abundance of Napahai. We collected water...

This paper proposed a straw logistics radius optimization model on the base of analyzing the cost and profit of the biogas and manure co-generation, to obtain the maximized per-unit scale profit. Through mathematical differential method, the relationship between the optimal straw logistics radius and...

Al2O3-metal composite coatings were successfully prepared on carbon steel substrate by self-propagating high-temperature synthesis(SHS) melting-casting means.The effects of transition layers of a bi-layered structure on the interface combination status of the coating were studied in detail,including...

mathematic base of travelling wave is firstly analyzed in this paper and then one novel type of calculation method for travelling wave fault location for non-open circuit faults is proposed. The usage method in actual application is proposed to enhance the accuracy of traveling wave fault detection in...

In order to suppress the mixed noise composed of salt & pepper noise and Gauss noise in a digital image, a filter algorithm for suppressing mixed noise based on grey relevance is proposed. The algorithm classifies the noise point in the center of the filtering window, calculates the correlation coefficient...

Aiming at the issue of constrained optimization problem of assignment for shipborne missile weapon, hybrid genetic algorithm has been proposed in this paper, which can get global optimization results of the assignment, and provide decision support for the assignment.

Using finite element software SYSWELD, we did three-dimensional dynamic simulation studies of 304 stainless steel flat TIG welding temperature field. The results obtained transient temperature field distribution chart and thermal cycling curve of feature points. Compared with literature data, the established...

With the rapid development of the communication technology, the traditional routing algorithms which only consider functional QoS metrics are difficult to meet the needs of applications. In this paper, we propose a trusted routing algorithm to overcome this problem. First, we propose a trust evaluation...

Plant remediation is a new developed technology for remediation of heavy metal contaminated soil and become a hot spot in this field. Mining ecotype Sedum alfredii Hance can enrich heavy metal ion of contaminated soil and have advantages of large biomass, fast growth, wide adaptability and multiple harvest....

In order to meet the requirements for multi-connected inverter air-condition of diversified service, intelligent control and reliable operation, an embedded home gateway terminal system based on STM 32 signal chip microcomputer, WIFI network and RS485 communication technique has been designed and is...

This research is about student leadership development. The aims of this study is to reveal in-depth students’ understanding of leadership development and their views on the perceived impact. This study used a qualitative approach, with Focus Group Discussion (FGD) as data collection technique. Participants...

Modern times have created various devices to help human lives in homes, offices, and other buildings. However, most of these devices still rely on manual or conventional operation which creates some inconveniences, including limitations in monitoring, remote control, safety, and inefficient energy usage....