Advances in Engineering Research

Development of cost-efficient denitration technologies has been a challenging task in industry. Here we proposed a new denitration method by using polypropylene hollow fiber membrane contactor. The NO gas from a simulative flue gas was absorbed into a saline aqueous solution through a holly fiber membrane,...

This paper presents a systematic comparative study of static and dynamic wireless charging technologies for electric vehicles. It outlines their fundamental principles: static wireless charging, which relies on magnetic field coupling, and dynamic wireless charging, which is divided into rail-type and...

Visible light active photocatalysts were prepared using N/Ce co-doped anatase TiO2 nanoparticles and using cetyltrimethyl ammonium bromide (CTAB) as template. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transformation infrared spectroscopy (FTIR),...

Compared with the traditional teaching methods, modern new media including the instructional and social media represent the new direction for the mode of education and teaching quietly, which contributes to the effectiveness of teaching increasingly. Interactive teaching mode at biological teaching of...

Reputation aggregation is a significant and inevitable mechanism for ensuring the security in social network. To solve the problem of preventing collusive attack in reputation aggregation in social network, a collusive attack detection mechanism (CADM) is proposed based on users’ relationships and their...

Any language has its inherent rules and laws, the rules of the grammar is a set of words, is the tie that vocabulary and sentences are important to the language conditions, from the essence of language, the practical characteristics of English teaching, the cognitive perspective, English grammar is the...

In this paper, we introduce a rainwater collection system based on resident landscape. It includes roof rainwater delivery system, purification system and underground stored system. Rainwater can be collected and purified through plant shallow groove, rain pipe and high flower bed. It can also be stored...

With the development of the Internet, the network crimes emerge in an endless stream. In addition, the features of the content on the Internet are complex and changing, which create many serious difficulties for judiciary to gather evidence of network crimes. Based on analysis of the characteristics...

This paper develops a discrete time-dependent model to design space debris removal scheme based on risk, cost, incomes and time. Especially, a collision model was established to consider the collision between debris. The economically attractive scheme was chosen according to the model simulation at last.

According to the new energy electric vehicle DC-DC conversion needs to adopt a zero-voltage quasi-resonant flyback converter topology based DC conversion program that will convert DC72V power to low voltage DC12V vehicle auxiliary power supply, simple circuit structure, components used, low cost energy...

Objective: This study was designed to study the antitumor, antioxidant activity and antihypoxia of Uighur medicine Seeds of Nigella glandulifera Freyn (SNF) in the S180 and EAC mice tumor model. Methods: A total of 100 were randomly divided into five groups with 20 animals in each group: control group,...

Due to its concise, simple and unambiguous qualities, the Petri net method has become a reliable and accurate way of analyzing protocol. However, with one model conducting one point, the required models of the key points of protocol analysis, namely, the protocol performance evaluation and the protocol...

The effect of Y and B content tailoring on the crystallization behavior and corrosion resistance of Fe76-2xY4+xB20+x(x=0 and 2) glassy alloys have been investigated. The tailoring of yttrium and born content enhances the thermal stability of x=2 alloy, alters the crystalline mode from a two-stage of...

The Internet contains large amounts of information, which are valuable to the researchers. Since manual product name collection needs large human efforts and also time consuming, extracting keywords automatically become a hot topic. This paper addresses the issue of automatic extraction for agricultural...

A PSD signal acquisition and processing system is designed based on the new single-chip stm32 and the segmented psd, and the data display interface circuit is designed by using the liquid crystal display module for the PSD signal output characteristic and the portable application in engineering practice....

Carbon-based lightweight, thin, and self-standing composite film/paper could be a promising material for electromagnetic shielding applications because of their high flexibility, good electromagnetic properties, and high electrical conductivity. In this paper, a new-type composite of reduced graphene...

Space is becoming cluttered with litter. For nearly fifty years, people have been launching rockets into Space, in orbit around Earth, and beyond. The remains of derelict satellites and rockets and the debris resulting from their explosions and collisions with one constitute a significant fraction of...

The design of Low-carbon Green Buildings emphasizes the application of eco-friendly strategies in buildings while paying close attention to their images, with the purpose of dealing with the relationship among buildings, environment and ecology, and realizing a benign cycle between factors of the artificial...

Numerical control (NC) lathe plays an important role in the production of mechanical parts. Because of its complicated structures and frequent operation, there exists lots of failures. When the failure happens, the NC lathe stops working, then directly lower the productive efficiency. In order to help...

At present, research on energy-saving and emissions reduction is still mainly theoretical construction and not much quantitative research on evaluation, particularly study of the empirical analysis on the provinces and the national is rarely. In order to arrange energy-saving and emissions- reduction...

An efficient regeneration protocol for in vitro propagation of castor through embryonic tips was developed. According to the different properties of seed germination and embryo germination, 5 explants with high regeneration ability were picked out and their stress abilities in pre-culture period were...

Emergency mobile communication system is an important means of emergency rescue. To assess network performance rapidly under different scenarios is the important basis for researching the organization and application of emergency mobile communication system, which plays an important role for making effective...

At present, the decentralized control was adopted at the terminal of the central air conditioning system so that cluster management couldn't be achieved. Taking into account such as different user had different management level and unreasonable, unscientific control methods which leaded to great waste...

It is usually difficult to construct the virtual scene of complex environment such as the ship engine room. Therefore, a new method for virtual engine room construction using projection matching and hybrid modeling technology based on geometry and image is presented in this paper. In this method, the...

Purpose To establish a practical, fast and accurate identification method of tortoise shell, falsify amplified polymorphism DNA (RAPD) randomly and provide reliable basis for identification of tortoise shell. Method We use the Alkali cracking method to extract mitochondrial DNA from the tortoise shell...

Analyzing the flow channels between production wells and injection wells is very important to develop an oil field. For the oilfield D, the streamline numerical simulation method is adopted to output the flow line distribution, the allocation factor graph of injection wells, and water injection efficiency...

With the bending experiment of 9 JINYU reinforced autoclaved aerated concrete slabs the objective of the research was to characterize the flexural performance of cladding panel such as deflections and extent of cracking that the elements would undergo under uniform load and finally recommended a suggestion...

The thermal shroud has the structure of stainless steel pipe welding with copper fins. It has well capability of heat exchange, structural strength and inflexibility which is used to many types of equipment for space environment simulation in recent years. This article will conduct technology research...

Annular space has been applied widely in industrial processes. However, the complexity of thermal process and the variety of influential factors lead to the difficulties. In addition, the sensor installation as well as the weak detection signal due to the barrier increases the detection issues. In order...

This paper proposes a new sensor signal processing technology to detect rotor position in permanent magnet synchronous motor (PMSM). This technology uses an incremental photoelectric encoder and some hardware circuit. It is easy to achieve, and it is not only apply to the traditional three-phase PMSM,...

A harmonic reducer is a kind of gear transmission with high performance, as the servo mechanism with a harmonic reducer is widely used in the fields such as aviation and aerospace. For meeting the more higher precision of the servo mechanism, according to the operation principle and the configuration...

In this paper, FSAE race car is taken as the research object, dynamic performance of the suspension system is studied. 3D model of the whole vehicle suspension system is built by using 3D modeling software, and the kinematics simulation is carried out. On the basis of this, ADAMS is used for dynamic...

The real economy is a solid economic foundation on which social progress depends. The research on the strategy of developing the real economy has become a hot topic nowadays. This paper first analyzes the present situation of macroeconomic data in Heilongjiang Province, explains the game relationship...

Using pot experiment to study the effect of vermicopost on the physicochemical properties of coastal saline soil in water spinach plantation under conditions without chemical fertilizer utilization. Six treatments were designed by mixing vermicompost and saline soil in different volume ratios of 0:20,...

The application of deep learning algorithms to welding defect detection has advanced rapidly in recent years within domestic and international research communities. This paper reviews the developmental trajectory of deep learning technologies and the evolutionary improvements of the You Only Look Once...

A decision model for construction enterprises is proposed in view of lack of data and uncertainty of quantitative relation existing in bidding decision. The ratio of bidding price of an opponent to the cost estimation of decision maker is regarded as random variable, and historical data of the ratio...

Hepatocarcinoma, a malignant cancer, threaten human life badly. It is a current issue to seek the effective natural remedy from plant to treat cancer due to the resistance of the advanced hepatocarcinoma to chemotherapy. Chrysin (Chr), a major symbol ingredient in Chinese Propolis, has a wide range of...

Based on explicit dynamics numerical simulation analysis, the static loading test and the shaking-table test, and combined with the plane RC frame collapse test, the example of the high-rise frame structure and the high-rise frame-core tube structure, collapse mechanism of RC structures under the static...

According to the position behavior characteristics of service object, this paper firstly determines the environmental mark point by combining the position point clustering with map topological node. By using the state of family environmental mark point to transfer fitting continuous position trajectory,...

In modern society, increasingly more emphasis are put on landscape greening rehabilitation, which significantly improves our work and living environment and is good for our health. However with its amount increases steadily, green waste inflicts some damage on the ecological environment, and hinders...

In this paper, we mainly introduce a solar-thermal underfloor heating system with electrical heating, which consists of solar vacuum tube panel, finned tube heat exchanger, disturbed flow tank, underfloor heating pipe, temperature measuring point, circulating water pump and auxiliary electric heater....

To determine optimum extraction process of volatile oil from flower of Scindepus aureus and analyze its chemical composition. The essential oils were extracted from S. aureus by microwave-assisted extraction (MAE), distillation time, solid-liquid ratio. Microwave Power were investigated with extraction...

Spatial-temporal changes of land use and landscape pattern dynamic of Four Seasons Flower Valley in Beijing mountainous area were analyzed from 2007 to 2013. The results showed that: Regional structure of ecosystems in FSFV was forest-farmland-grassland. Farmland was the dominant artificial type mainly...

In order to find a turbulent flow model which can accurately describe the internal mixing process of the nozzle adjustable jet pump, 8 combinations made up by four turbulence models (Standard κ–ξ, RNG κ–ξ, Realizable κ–ξ and RSM) and two wall functions (Standard wall functions and Non-Equilibrium wall...

According to the equilibrium condition of geometry relationship, we derived the formulas that can be used to calculate the loss of prestress of prestressing tendons with the double-end tensioning and the asymmetrical arrangement parabolic curves. Through an example of the bridge engineering, we described...

In this paper, fatigue tests of butt-welded joints, under four-point bending cyclic load, were conducted to investigate the influence of welding deformation on fatigue crack initiation life. It is found that the distribution of residual stress around the weld toe is changed depending on the welding deformation....

Reading is the process of college students' understanding of the world and their own knowledge, is the main channel to expand the knowledge perspective, and is the main means to enhance the comprehensive cultural quality. In the electronic information era, the investigation of digital resources in college...

ZE41 Magnesium (Mg) alloys are widely employed in the automotive and aerospace industries because of their advantageous qualities like lightest structural metal, corrosion resistant and better mechanical properties. Since it is highly cumbersome to machine this alloy of complex shapes using conventional...

With the continuous development of higher education, reasonable distribution of teaching resources has become an urgent problem in time and space. This question is a typical college course arrangement.Arranging Course problem is NP-complete a multiple target multi portfolio. We use an improved hybrid...

This paper outlines the basic structure of equipment maintenance work, analyzes the conditions and necessity for the emergence of green maintenance, from the different aspects of quantitative requirements, maintenance method, maintenance materials, maintenance energy , maintenance process and maintenance...

It was found that appropriately increase weight ratio as well as attention to control pH in sedimentation and reduction phases can enhance the treatment effect of chromium-containing wastewater and prevent hexavalent chromium content rebounding after processing.

Grind-hardening is a new technology for steel parts surface enhancing which uses thermal and mechanical composite effects on the parts in the grinding process. During the process, the workpiece surface generates hardened layer which improves the surface quality. As a key performance indicator of measuring...

The current research work is aimed at analyzing the total chloride content in concrete by adding Electric Arc Furnace (EAF) slag in percentages as alternative to conventional coarse and fine aggregates wherein the research is conducted to determine whether percentage changes of EAF slag could mitigate...

Energy Management System (EMS) is used as a renewable energy control strategy. This research uses photovoltaics and wind turbines, which is a suitable combination because photovoltaics work during the day while wind turbines can supply batteries that are used at night. The Energy Management System (EMS)...

Based on the Tersoff potential, we have investigated the effects of dislocations on the crystal growth rate of Si (110) rough interface by a molecular dynamics simulation. The atomic structures show that, the (110) interface morphology with a dislocation keeps flatness similar to that of dislocation-free....

In this chapter, the design of the refrigeration unit with the cooling capacity of 120W in the sightseeing beach is used to calculate the lighting area and the collector power of the vacuum tube collector from the solar radiation incident on the solar vacuum tube collector. The design principle of the...

After entering 21 century, education has been influenced by the informatization and globalization. The popularization of Internet and computer technology in education shows possibility in reforming traditional teaching modes. English MOOC is generated, and its teaching modes are combined the advanced...

Green Wall has an important effect on the outdoor thermal environment quality and the thermal comfort of pedestrian. Rational layout and green design can effectively alleviate the negative impact of "Heat Island", reducing the heating and air conditioning energy consumption of the buildings. This paper...

To create a modernization mine of safe and efficient production, the premise is that must be to ensure safety, economy, stability of the roadway support, and bolt support in coal roadway supporting systems plays an important role, in order to make the bolt support can better service for our modern mine....

Since the transmission efficiency and the transmission power of the existing resonant wireless power transmission (WPT) system with a single transmitter were lower, a compact resonant WPT system with dual transmitters was studied. There was a close coupling relationship between the dual transmitters...

High-speed high-precision data acquisition applications in modern industrial control field is very wide. The reasons of Environmental and circuit, the interference signal is introduced into the collection process inevitably, resulting in loss of precision and sampling error rate increases. When improving...

With the development of power electronics technology， how to improve the output quality of DC power supply has become an important subject of recent scholars' research. This paper put forward a new PWM control mode， the DC power supply output ripple is effectively suppressed. The theoretical basis is...

The paper explains the overview of domestic and international refrigerated transportation. It also points out some problems existing in the railway refrigerated transportation of China. The article discusses the reform of refrigerated transportation organization, the development of advanced refrigeration...

When some coefficients involved in nonlinear programming problems are taken as interval numbers, the problem becomes more challengeable than the original one. In the paper, a nonlinear programming problem with interval objective coefficients is considered, and a genetic algorithm is presented. Firstly,...

Though the artificial potential field applying to the path planning of mobile robot has the advantages of rapid respondent speed, small computation and real-time property, there are still problems such as the goal unreachable and existence of a local minimum point value, thus the improved artificial...

With boosting development demands for university information construction, the number of university application systems had been dramatically increased. However, many universities were lacking of pre-planning in the information construction, which had resulted in mutual independence of application systems,...

The double slanted cantilevers are used in some micro-structure designs, which have some unique characters. In this paper, the mathematical model of the double slanted cantilevers with irregular cross-section was investigated based on the theory of material mechanics. The moment of inertia and principal...

In the global tide of artificial intelligence, China has its own specific opportunities. Since the financial crisis, with the market environment, technological progress, factor conditions, the accumulation of capital and other major changes in the situation, China's industrial sector has emerged the...

In this paper, we removing the Kariba Dam and replacing it with 18 smaller dams along the Zambezi river. Furthermore, we set up three progressive models-the cascade dam system model, the long-term optimal dispatch of the new system model, and the successive linear programming optimal scheduling model,...

With the rapid development of urban landscape design, the lighting is more and more needed. Existing urban landscape and lighting design of the system is not perfect, according to the regulations of city road and park lighting standard to analyze, and the various forms of existing urban landscape and...

To solve the problem of current communication network for smart distribution automation, key technologies of heterogeneous networks were analyzed and researched, including network resource management, dynamic network selection and intelligent switching strategy as well as channel protection algorithm...

The Third mining area 33073 roadway of Zhaozhuang Coal Mine is a large section and broken coal roadway, after tunnel excavation, the emergence of large deformation surrounding rock phenomenon. By using simulation software roadway FLAC3D original support scheme simulation analysis, we found the original...

To investigate the seismic behavior of autoclaved aerated concrete (AAC) roof panels, the bending experiment of 4 AAC slabs for estimating the deflection and moment capacity was made. All specimens were placed under a test frame using monotonically increasing load till failure. The experimental results...

China feudal society has seriously hierarchical characteristic, its clothes distinguish the status and rank from the color to the pattern. The pattern of Ming and Qing official uniform has special function and inheritance. The bird and beast patterns in representative official uniform not only contain...

According to the problem that uncertainty information is difficult to be merged during the decision process of multi-source irrigation information, a fusion method based on fuzzy rough sets and D-S evidence theory was proposed. Using the fuzzy rough set theory, the basic probability assignment function...

Plant is an important part of urban landscape features. Although the greening condition of the Winter City is limited, a good plant arrangement design can help to create a more comfortable and beautiful public space, which reflects urban characteristics and promotes ecological development. This paper...

In order to get accurate license plate location, a method of license plate location based on Sobel operator and mathematical morphology is proposed. Sobel operator and Dilation and closing operation are used to obtain approximate position of the license plate. Then three steps are adopted to get accurate...

Dynamic power optimization is an important part of the power optimization for embedded parallel processing. Dynamic power estimation is the premise for dynamic power optimization. The evaluation model with fast calculating speed and high accuracy can improve the efficiency for dynamic power optimization....

In aircraft control, getting the current aircraft attitude is foundation that we can control the flight of aircraft.In this paper,MUP6050 and HMC5883L sensors are used to measure aircraft attitude.As time goes on,the accumulation of integral error is growing,when the gyroscope is used to solver aircraft...

In the industry, the damage detection of stayed cable is an important research subject. A proper method for the vibration signal processing is indispensable. The Hilbert-Huang Transform (HHT), which has been successfully applied to many different fields in the last ten years, may provide a promising...

With the rapid and bursting development of computer science and sensor technology, efficient remote sensing (RS) image classification algorithm is ur-gently needed. There are plenty of applications of remote sensing image processing techniques. In this paper, we propose a new agricultural remote sensing...

Aiming at the poor reliability of targets destroy for single base surface-to-air-missile weapon system, and the existing shortcomings of anti-destroying ability for missile networking system, this paper research on system level surface-to-air-missile defense system network features. On the analysis of...

To reveal the effects of the different city environment (clean area and polluted area) on native trees, leaf functional traits of six native trees in Zhanjiang were studied. The relationship between leaf mass per area (LMA) and leaf functional traits were analyzed. The results showed that different leaf...

To study the effects of PCVD combined nitriding coating processing on cutting performance of high speed steel tool, the PCVD was performed on W6Mo5Cr4VZ (MZ) steel tools to get surface strengthening, tool surface micro-hardness before and after PCVD process was studied, wear property and bonding force...

Modern mobile communication technology and mobile learning theory combined with the mobile learning, provides a new model for Japanese listening learning. This system is based on the researches on the iOS platform. First of all, research by Cocoa touch, Media application, the Core service and the Core...

Objective: The literature remains controversial on ras gene mutation prognostic significance for survival in AML and MDS. In this paper, study meta-analysis of its occurrence and prognostic relevance in acute myeloid leukemia and Myelodysplastic syndromes. Methods: The PubMed, Cochrane Library, EBSCO,...

In this paper authors carefully research the strategic emerging industries of"manufacturing industry of intelligent equipment of using new energy power generation"through the outlook of Nantong (that is, taking the manufacturing industry development of intelligent equipment of using the new energy power...

In this work, an intermediate product DOPO-A was firstly synthesized through an addition reaction between triethoxyvinylsilane and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO). Then DOPO-A was hydrolyzed to form DOPO-A' (silanol of DOPO-A) and the surface of expandable graphite (EG) was...

Transparent conductive thin films of aluminum-doped zinc oxide (ZAO) were prepared by radio-frequency magnetron sputtering with ZAO (98 wt% ZnO, 2 wt% Al2O3) as the ceramic target. The visible transmittance was investigated by ultraviolet–visible spectroscopy, the carrier concentration and Hall mobility...

Space plate-beam mixed unit model is established. Mechanical characteristics of a stiffening suspension cable reinforced steel truss bridge is analyzed preliminarily. The mechanical principles of the bridge type are discussed through studying the influence of stiffening suspension cable vector height,...

Based on Cellular Automaton (CA) and Monte Carlo method, this paper constructs a model to discuss the problem of merging after toll, and designs the shape, size, and merging pattern of the toll area. Firstly, the movement of the vehicle is broken down into three stages to establish the corresponding...

Through consulting relevant literature, during the current solution for space junk, the relatively perfect theories are the following kinds, laser removal technology, satellite debris collector, space garbage trucks, suicide satellite, and resistance-increase device. we proposed An Automatic Tool of...

Based on NC Code, in this paper, a kind of virtual descriptive language—V Code is designed and achieved for VA simulation. It is divided into three parts: scene setting code, motion controlling code and environment rendering code. At the same time, V Code definition, function classification, V Code interpreter...

Central orogenic belt means sandwiched between Tarim block, North China block and Yangtze block, it was EW distributed by Kunlun-Qilian-Qinling-Dabie-Sulu mountain chain and sandwiched between Lot composition, stretching more than 4,000 kilometers of Phanerozoic orogenic complex system. Qaidam Basin...

For three-tower cable-stayed bridge, the dynamic characteristics of the structure is studied by establishment of the finite element model. By changing structural parameters of thickness variation of the bridge panel and elastic modulus of concrete, some regularity of stiffness and dynamic properties...

In wireless sensor network protocol, a multi hop routing protocol based on density clustering is proposed to deal with the problem of large communication overhead, unbalanced node consumption and hierarchical routing. Protocol divide clusters by density based method, and transfer the data with the base...

The barrier toll is a crucial part of a freeway.The bottleneck of a freeway about safety and throughput is usually the fan-in area.In this paper, I put forward the merging model of barrier tolls (MBT) based on cellular automaton(CA) taking various factors which influence the merging of vehicles into...

As energy shortage and environmental pollution problems are becoming increasingly serious, Electric Vehicles (EVs) have drawn much more public attention. The charging technology of EVs has also developed, especially Wireless Power Transfer (WPT). Compared to a conductive charging system, its unique advantages...

To meet power cable construction underground in the city, it is necessary to ensure the normal operation of power cable. In this paper, we do the research about the compensation mode of cable line construction in Henan province, that is the difference mode and the construction mode, and analyzed with...

A novel substrate integrated waveguide (SIW) cavity-backed antenna using quarter mode SIW is proposed in this paper. The quarter mode SIW antenna is realized by splitting the SIW cavity into four parts along the fictitious quasi-magnetic wall, which can preserve the field distribution of original SIW....