One of the most promising trends in modern physics is the high-temperature superconductivity. Analysis of high-temperature superconductors revealed that almost all of them are complex copper-based oxides. Studies have shown the possibility of using them for the synthesis of coaxial magneto accelerator....

CuCr25 alloy samples in this study were coated with Cr and irradiated by high current pulsed electron beam (HCPEB) with intermittently increasing pulse numbers from 1 to 100. The results indicated that with HCPEB treatment, initial Cr particles and coated Cr layer remelted and distributed nonuniformly...

In the subway tunnel engineering, using different methods of tunnel excavation, the different influence on the stability of surrounding rock above class IV. Therefore, this paper is based on the specific engineering example. A subway tunnel in Dalian using FLAC3D software respectively adopts the CRD...

This paper adopts the melt blending method for organic silicon resin/nano Al2O3 and PF. The organic silicon resin in the blending resin cures and forms interpenetrating network structures to improve the heat resistance of PF plastics. TG, DSC and FESEM analysis characterize the changes in heat resistance...

LiFePO4/C microspheres were synthesized by a rheological phase method using nanoplates assembled quasi-microspheres of FePO4·2H2O as raw materials, and the FePO4·2H2O precusors were synthesized via a hydrothermal process. The FePO4·2H2O precursors were characterized by XRD and SEM, and the LiFePO4/C...

The thesis comprehensively apply on the study of literature and the way of comprehensive analysis. It focuses on the key competence of industrial cluster of rare-earth in Gannan. The thesis holds the view that industrial cluster of rare-earth in Gannan had formed the dimension nowadays, but it’s key...

The dendritic growth characteristics of undercooled liquid Ni-5%Cu-5%Mo-5%Ge quaternary alloy were investigated by electromagnetic levitation method. The measured dendritic growth velocity of -Ni phase increases with undercooling according to a power law relation, which attains a value of 28 m/s at the...

This study discussed the reflectance of outdoor compressed concrete paving units. The research samples were basic square ground tiles, including sandblasted tiles with secondary treatment of surface, iridescent crystal sandblasted tiles mixed with waste glass, and rustic tiles. The ASTM E1918A method...

This study aims to measure the reflectance of outdoor compressed concrete paving units. The samples are in common size of compressed concrete paving units which is 20cm * 20cm * 6cm. The first cause of gradually worsening environment is that most of artificial pavements and building shells in the cities...

In this study, the drop tests of eggs had been performed at different heights and different cushion materials, to assess the dynamic behaviour of eggs and to compare the cushioning performance of materials. Expandable polyethylene, expandable polystyrene and triple wall board were chosen as cushioning...

Built-in Self Test(BIST)has been proved as one of the effective design for testability techniques, where on-chip test architectures are designed to test the digital circuits themselves. To reduce test application time and improve fault coverage, A deterministic Built-in Self Test(BIST) technique that...

This study investigated the role of bis(p-sulfonatophenyl)phenylphosphine (BSPP) in stabilizing gold nanoparticles in 0.5×TBE aqueous solution. Gold nanoparticles were made by the method of reduction of tetrachloroauric acid by sodium citrate, and then they were coated with BSPP. After centrifugation...

Magnetic nanomaterials have received tremendous attention in the past years due to their unique magnetic responsiveness and corresponding wide applications in many fields. Herein this paper presents several methods to prepare monodisperse magnetic microspheres through a facile hydrothermal technique....

High strength concrete materials have been widely used in bridge engineering. Combined with a high strength concrete girder bridge in Texas of U.S, this paper analyzes the impacts of high strength concrete materials in bridge design. Based on analyzing the economic benefit, it clearly shows the high...

Product structure and forming scheme of seeder’s typical part were analyzed and optimized in this topic, which affecting the warping deformation of plastic part using Moldflow software, ultimately the best solution was determined. The defects of mould design and plastic parts manufacturing injection...

For the status of low precision during micro-pit machining on the aluminum surface, a double mask electrochemical process is proposed. Pitting corrosion could be eliminated with higher current density and the lateral etching could be decreased with NaNO3 solution. Using optimized machining parameters,...

The failure process on the plain weave CFRP composite laminate under three-point bending test was monitored by acoustic emission (AE). Failure process was divided into stage I, II, and III based on the energy distribution along with the mechanical results. Moreover, various failure modes in every stage...

In this work, FRP panel surface was treated by 12 plasma techniques formed by a pairwise combination of four power consumptions (300W, 400W, 500W, and 600W) and three transmission velocity (2.5m/min, 5.0m/min, and 7.5m/min) respectively, and then adhere to timbers. According to delamination test dates,...

The danger to public health and safety caused by the timely sterilization failure of harmful bacteria on the seat of the city bus due to frequent movement of the passengers is explored in this paper. According to different types and different materials of the passenger seats, combined with the advantages...

Remote field eddy current was proved to be an effective non-destructive testing method for tubular structure such as tubes and pipes. Further applications of remote field eddy current testing were restricted by disadvantages such as weak signal, over-long sensor, and poor ability to detect fine crack...

Hybrid propulsion is becoming more and more attractive in both military and commercial fields for its safety, low cost, and throttability. Most of the works on hybrid propulsion so far carried out is connected with the understanding of the combustion of hybrid fuels. However, the ignition of hybrid fuels,...

Sports are based on the progress of science sports, and it relies on the development of materials science. Modern information technology and new materials is changing the human production and way of life. High and new materials in sports play a vital role in the process of development.

The ground state properties and equation of state of the silicon clathrate Si46 intercalated by Ba atoms are investigated by first-principles calculations based on the plane-wave basis set with the generalized gradient approximation (GGA) for exchange and correlation. Some thermodynamic properties including...

Reference to the domestic and foreign relevant technical data, the paper design and manufacture enamel materials with a temperature resistant shock resistance and acid resistance excellent chemical stability, research on microscopic morphology of the enamel surface by scanning electron microscope, the...

Nowadays, air conditioning, a relatively energy-intensive method, is still the main way to cooling buildings. This paper proposes two designs of thin film which uses photonic crystal and is based on theories of black-body radiation and electrodynamics. By different designs, the two thin films have disparate...

He cold asphalt concrete is laid composite that combines the advantages of rigid cement concrete and asphalt concrete flexible pavement materials and new waterproof materials, and it is also known as semi-rigid concrete or semi-rigid waterproof concrete. Cold paved asphalt concrete composite retains...

This paper presents a new structure form of prestressed anchor block with arch-shaped cavity used in spillway pier structures. With the arch-shaped cavity, the problem of excessive tensile stress associated with the rectangular-shaped cavity can be resolved. Five different finite element models with...

Modular multilevel converter(MMC) can be used in DG system. The double closed-loop control strategy including dc bus voltage outer loop and current inner loop is adopted in the control system, which makes dc bus voltage stable even when active power changes. The current inner loop has a new control strategy...

Vertical axis turbines have many attractive features and are well suited for extraction of wind and hydrokinetic energy. At low angular velocities, the rotor blades momentarily experience high angles of attack and move in and out of stall. This gives rise to unsteady aerodynamic loads that may cause...

High Voltage Direct Current (HVDC) transmission has been expanding due to rapid development of power electronics technology and by the need for connection of offshore or remote wind farms and / or large hydro power generators. HVDC transmission has several benefits such as lower transmission losses,...

Transient Recovery Voltage (TRV) requirements for UHV and EHV circuit breakers were investigated with the simple radial and meshed network models by CIGRE WG A3.28 and it was confirmed that the CIGRE network models could provide the TRV behaviours effectively using the system and equipment parameters...

Parallel operation control is one of the key techniques for high performance inverters with the features of excellent regulation, modular, high reliability, and redundancy. Through theoretical analysis of multi-inverters parallel operation model, the paper derived the conventional droop control method,...

A functional safety pressure transmitter (SPPT) which was based on self-diagnostic is introduced. Challenge in safe communication is discussed, too. SPPT’s hardware design, software design and diagnostic design is given. Furthermore, the safety communication design of SPPT is introduced, too. At last,...

With the scale of interconnected power systems becoming larger and larger, asynchronous oscillation occurs increasingly frequently. Under this circumstance, the identification of out-of-step oscillation along with corresponding separation strategy plays a vital role in preventing catastrophic black outage...

Gear boxes and direct-drive systems are commonly used in the transmission of large wind turbines. The components such as blades, rotor, gear box and the generator should be set up coaxially in the nacelle. Thus, the total weights of the nacelle increases with the size of the wind turbines. This research...

A novel weak capacitance measurement system is proposed to measure the gas-solid two-phase flows. The system is mainly consist of capacitance sensor, Micro-programmed Control Unit (MCU), Direct Digital Synthesizer (DDS), operational amplifier, analogue multiplier and low-pass filter. Since the stray...

In order to effectively restrain the high-frequency harmonic components in compensation current and reduce the reactive power compensation claim to the dc voltage amplitude, we present a new topology of Static synchronous compensator (STATCOM). This method changes the property of impedance by connecting...

The SOC (state of charge) of the Li-ion battery cells in a pack are different because of the property differences, which would lead to over-charging/over-discharging the battery pack and as a result the service life of the battery pack would be reduced. In this article, we designed a battery management...

This paper is based on the application of automobile ECU remote update in order to facilitate automotive remote update. At first, related technology of Bootloader was introduced. System design project of automobile ECU Bootloader was completed according to the design requirement. Then “incremental update”...

In this paper, a new approach for synthesis of the accommodation system to faults of navigation sensors of underwater vehicles (UV) is developed and investigated. Proposed system is synthesized by using kinematic model of UV and data fusion of sensors signals. The results of performed simulation have...

To study the seismic performance of a souring sluice, a 3D finite element model was established by considering the foundation characters. Mode-superposition response spectrum method was used to precede the seismic calculation. It is concluded that the seismic performance can satisfy the specification....

Theoretical profile stress and displacement of a certain non-overflow gravity dam in a key water-control project was studied in this paper. Plane finite element method and dam-rock coupling effect were both considered. It is concluded that the tensile stress concentration was appeared at the heel and...

Reservoir Classification and Evaluation is an important section in the process of the research for reservoir development. Based on the analysis of core capillary pressure data, this research proposed: The relationship between R35 (Mercury enters the saturation of 35% corresponding to the pore throat...

Energy and environmental problems are more serious at present and people realized that the development of traditional engines is limited, and all countries in the world began studying all kinds of new piston engines. In history, there have been various types of engine to replace the traditional ones....

With the continuous development of urbanization, solid garage is playing a more and more important role in city infrastructure. In this paper, a mathematic model on queuing theory for lift-sliding solid garage is constructed, and some important performance parameters are analyzed base on the quening...

Current researches on landslide prevention are mostly based on time-displacement curve or some other corresponding characteristic parameters rather than landslide evolution. But landslide varies a lot from different mechanisms and evolution stages, it is necessary to study it from aspect of evolution....

In order to solve the problem of determining the value of mechanical parameters of ice in the prevention and cure of ice flood disaster, on the basis of experimental methods of classical mechanics, through improving the test equipment and controlling test conditions ,we obtain the strength, deformation...

At present, in the industrial production, have a high request for the reliability of the control equipment, to be able to in the electromagnetic interference, power voltage fluctuation, mechanical vibration and so on under the harsh environment and reliable work, and has strong anti-jamming ability....

The hydraulic steel gate, due to its specific operating environment, the corrosion is a major factor that causes its degradation. In this paper, by the sem and Tensile testing machine, according to the experimental study on the material of existing hydraulic steel gate structure, its chemical composition...

The article proposed a combination optimization method of load ratio and equilibrium power generation scheduling in long-term unit commitment base on the traditional long-term unit commitment method, which can satisfy the equilibrium generation scheduling needs, and improve the unit load rate as far...

A 2-DOF model with the coupling of vertical and torsional motions is considered to study galloping of transmission lines in this paper. Based on Lagrange equation, the equation of motion is established. dynamic analysis is obtained by using Newmark- method in an example. Finally, anti-galloping VED is...

For the current full-bridge series with the load-frequency induction heating power of the resonant frequency automatic tracking problems, analysis of the series resonant inverter load waveform changes in the work process, this paper designed a whole based on the frequency tracking circuit analog circuit,...

In this paper, in view of the influence of shimmer sights detection in mirror installation on the adjusting frame position and shape, Research on high-precision zero detection method can eliminate shimmer sights chucking errors. The method uses a CCD camera to measure the total of zero change, dual autocollimator...

The yield stress is a key rheological parameter of thick paste and critical design parameter of the high pressure pipeline system. Take coal slurry as an example, whether using vane method or curve extension method, the yield stress both exponentially increase with concentration increasing, but the data...

The paper introduced the construction method of large segment hosting and its difficulty, and drawing up the corresponding plan of liner and stress monitoring. The paper gives the calculation method of shear area for such a big cantilever thin-walled steel box girder section, namely the shear coefficient...

As a kind of power system, microgrid integrates the distributed power, the energy storage system and the controllable loads being connected to the low-voltage power grid. It can operate in the island-mode and connected-mode. In this paper, we focus on the study of the control strategy, take the reasonable...

The living anatomy of the vestibular end-organs is still unknown, complex, and studying them is a challenge for researchers in basic science and in clinical medicine. This main reason is the fact that we cannot observe the vestibular end-organs in the living subjects by any modern diagnostic facilities...

The article proposes a novel form of reactive power compensation converter, which adopts an inverter consisted of up and down symmetrical basic units and bidirectional switch. In this work, we have studied the working principle and operation characteristic of this circuit. According to the experimental...

The substation equipment status monitoring system as an important means to ensure the safe operation of the electrical equipment as well as to enhance the level of production and operation management of substation equipment, and which has become s hot spot for Smart grid researching. In this paper, Through...

In most manifold learning based face hallucination algorithms, the nearest neighbourhood metric is often adopted to describe the face subspace, which could not accurately capture the local geometrical structures of the samples. In this paper, a novel face superresolution approach based on adaptive neighbourhood...

This paper studies supportive policies of electronic information industry cluster development in Long Nan county by applying the method of literature research and charts, analyses the affect the supportive policies have on Long Nan electronic information industry cluster development . This paper argues...

This paper proposed a unified information processing and application system, which can automatically generate C++ codes of math methods, and package the software and method into a standard component. Also, the system integrates different types of method in the unified information processing system with...

Apparel products’ R&D was complicated system engineering and there were some problems in the R&D and production process, such as time constraints, poor coordination between departments, numerous miscellaneous details, and prominent contradictions in remote management and so on. So how to improve the...

This paper focuses on the pricing decision problem of a two-echelon supply chain consisting of one manufacturer and two retailers in which the manufacturer acts as a leader. The price decision models are developed by considering the sensitivity of the retail quantity to the wholesale price of the manufacturer...

As the globe undergoes extreme climate changes, disaster events and their disaster scale continue to increase; therefore, it has become imperative to devise disaster prevention measures. Traditional flood monitoring devices, while operating in harsh environments, are often influenced by changes in weather...

High-definition TV and interactive services bring a new viewing experience for the audience, and services such as video-on-demand and TV of yesterday have began to occupy a certain part of the viewing market gradually. Based on actual viewing records, this paper compares the differences between users’...

In order to improve the prediction accuracy of GM(1,1) model, function transformation was applied to improve the smoothness of the original sequence. Considering affecting of the initial value and the background value selection to forecasting precision of the model, this paper puts forward the idea of...

The spintronic memristor was proposed based upon the magnetic theory shortly after the discovery of the Hewlett-Packard (HP) TiO2 memristor. Different from that of the TiO2 memristor, the resistance of a spintronic memristor not only depends on the historic profile of voltage and current through the...

To solve the problem that students do not understand what they learn, and to improve the effect of teaching, the author constructs an instruction model for promoting understanding supported by information technology. To test the instruction model, the author designs and carries out a study which is a...

The aim of this work is to explore the application of Trapezpoidal Intuitionistic Fuzzy Numbers (TrIFNs) in afuzzy environment to find the least cost path problem of any network. A New Intuitionistic Trapezoidal Fuzzy A* Algorithm (NITFAA) is proposed to solve Intuitionistic Fuzzy Shortest Path Problem...

This paper propose the idea of building a real-time package simulation platform in VMIC Reflective Memory network through drawing on the idea of generic HLA Federation, especially for real-time needs of semi-physical simulation. For model complexity, heterogeneity and diversity of the model, it propose...

Nowadays impact assessment of websites based on web metrics has been growing, and is leading a new trend in quantitative analysis. Based on prior efforts in laying theoretical foundations, this study examined 44 provincial party members and cadres’ modern distance education websites in China. In order...

This paper studied the congestion control algorithm in the IONs and put forward two innovative algorithms. Firstly, designed a wavelength conversion algorithm which based on Partial-sparse-Limited network model (for short PLWC); Secondly, presented another wavelength conversion algorithm which based...

The Supervision for buildings plays the very important role in the period of construction and is closely linked with the life and property. In order to improve the management level of the supervision departments and offer better communication between the supervision departments and the construction side,...

PM 2.5, as an important index about air pollution, whose form and composition is very complicated, has a negative influence on humankind. The paper, according to the meteorological data from Wu Han environmental air automatic monitoring station, conducts an quantitative analysis of independence and the...

ERP system of Printing implementation has electronic computing and statistics. The various departments of information sharing and mutual control integrate printing companies in all sectors. It centralized management, saving a lot of resources. Small printing companies urgently need to implement an ERP...

We propose a spatial-multiplexed dual-view one-dimensional integral imaging (DV1DII) three-dimensional (3D) display which presents different 3D images in the left and right viewing directions simultaneously. The DV1DII 3D display consists of a display panel, a parallax barrier and two polarizer parallax...

This passage puts forward a kind of simple and convenient three-dimensional laser measurement technology for a small volume and complex shape space data acquisition of the object. This technology mainly uses the camera self calibration method for construction of three-dimensional model algorithm and...

This paper studies the typical problem of integration of chemical batching and scheduling, which is characterized by multi-product, multi-stage, parallel production, production coordination between stages, limit of equipment production capacity and inventory capacity, parallel equipment selection and...

The paper studies communication protocol, the structure of the circuit, antenna design of radio frequency identification technology (RFID), and puts forward a scheme based on IOT application: RFID logistics tracking system. Finally, the paper studies the logistics distribution center information management...

From the view of practical application, this paper designs the human body physiology information collection nodes, the coordinator node, wireless transmission system using CC2430 microcontroller, and detailed design information of human body sensor (temperature, heart rate, ECG / pulse) circuit diagram....

The robot's eyes through the background difference method were used to find broke into the visual range of a moving object and track and monitor the moving object. On the basis of geometry and according to the distance and deflection angle of the robot eyes positioning, the objects were captured and...

Along with the further development of science and technology, computer hardware and the Internet are in a rapid development, and information technology has been widely used in all fields so that complex problems are simply solved. Because of the needs for the development, software starts to mutually...

In this paper, the function characteristics of instruction are introduced, and the focus is on contact compare instruction and the characteristics of the transfer instructions. With the traffic lights control as an example, this paper proposes the application of contact compare instruction and transfer...

Laboratory information management based on the technology of Internet of things technology is the development trend of digital and information technology education in our country and the inevitable choice. Through the further study of the current situation of laboratory management in colleges and universities...

The objective of the paper is to develop a novel co-simulation analytic interface of aerodynamics, mechanism dynamics and control system dynamics for 2MW wind turbines. Therefore, three software, such as FAST, ADAMS, and MATLAB/ SIMULINK, are integrated into one interface to combine with aerodynamic,...

Based on the turbulence model, the volatility of real-time wind speed is discussed, which is composed of the average component and fluctuant component. By deriving the probability density function of fluctuant wind speed and investigating the probability density curve, we decompose the fluctuant wind...

In order to ensure the good fracturing effect of horizontal well in the Sulige gas field, block SuX of Sulige gas field was used as an example, the typical horizontal wells of different fracturing mode were selected. According to the different reservoir conditions, the fracturing mode of horizontal well...

The heat exchanger element H-type finned tube has a high enhancement of heat transfer and excellent self-cleaning property and has evident effect in the boiler renovation, especially in the field of flue gas waste heat recovery. In this paper, the heat transfer and resistance characteristics of H-type...

Substation Automation System (SAS) performance has been gained great improvements by implementing the high data rate process bus based on IEC 61850-9-2LE. However, these improvements need to be fully assessed within different circumstances before the scheme can be implemented to real SAS. This paper...

Daqinggou molybdenum deposit locates in daqinggou miaozi area luanchuan county, Henan province. It is considered to be a favorable metallogenic area because of the intense tectonic movement and frequent magmatic activities. This molybdenum deposit is a medium-sized deposit and the ore bodies are strictly...

It is unavoidable of the complex coexistence of gas, water and oil phase in the underground gas storage which is built after the late water flooding of the high water cut sandstone reservoir. This paper does experiments of setting and unsetting pressure of multicycle injection-production experiment using...

Using magnetically coupled resonators coils in a strongly coupled near field was suggested for wireless power transfer. A circuit model is presented along with a derivation of key system concepts such as frequency splitting, the maximum operating distance (critical coupling). Here, a simple circuit topological...

Tight gas, along with shale gas and coalbed methane, is known as top three unconventional gases. Tight gas development has strategically importance in the development of natural gas and energy structure adjustment in China. It should be considered in priority in the exploration and exploitation of unconventional...

The research paper is going to discuss about the development of the city gas supply system and the natural gas market in China and find out how does the development of city gas supply system and natural gas market can influence the environment of China. Nowadays, China is concerning the environmental...

In this paper, problems in coal handling system and practice of Chengjiao coal preparation plant is tested and analyzed in detail, and I have put forward solutions for problems in coal handling system. The best production program of Chengjiao coal preparation plant was chose through program comparing....

At present, there are many methods to improve the compensation performance of active power filter (APF). However, to improve the reliability of APF, dead-time between two IGBT switches in the same bridge must be set large enough to guarantee the IGBT operating safely, which will impact the output performance...

This paper applies case-based reasoning method to emergency decision-making research field, and mainly researches case representation and case retrieval method. At first, this paper analyzes character of coal mine emergency rescue work, and describes the coal mine accident case using frame representation....

As the stable operation in coal production is threaten by many kinds of safety accidents seriously, doing research on emergency knowledge in the field of coal mine safety production can provide several for emergency decision, which is of great importance. This paper designed and developed coal mine emergency...

PH gas field, which located in East China Offshore, has the characteristic: Prematurely Senile Appearance. That means it is currently in the middle period of development, but has many features of the later period of the gas field’s life. In order to compensate the reduction of gas production, the development...