Search all articles

The coming of information age makes the integrated electronic system in industrial field face new challenges. This paper takes the security management system of electronic railway industry the industrial area as the researching object, discussing the architecture of ASAAC standard system, by means of...

The development of the adsorption refrigeration technology was relatively slow, and the COP of the adsorption refrigeration system usually indicated as 0.2 to 0.3 only in experimental reports. The lower refrigerating efficiency (COP) of the adsorption refrigeration technology has become the bottleneck...

In the large water trawler system work process, trawlers are influenced by the marine environment, can produce large movement, which seriously affect the drag efficiency. This study is based on a wave passive compensation device, establish its mathematical model for the simulation analysis, design the...

Intensification of the innovative development of the agro-industrial complex is currently becoming particularly relevant, given the considerable gap in developed countries in terms of labor productivity in the industry and the competitiveness of products. Technical and technological backwardness of the...

In view of high-power LED microchannel phase-change cooling system, scientific problems, such as boiling incipience, flow pattern, heat transfer character, pressure drop and heat transfer instability are summarized. Proposing simultaneous measurement and analysis of phase-change cooling flow pattern,...

The calculation model on analysis convective heat transfer established is according to the structural features of photovoltaic rolling glass in its forming stage. The computational fluid dynamics (CFD) software FLUENT was used for numerical simulation of flow field, The study analysis the temperature...

In the MS/TP network, token is passed according to the address of master station. A novel token passing algorithm was proposed based on the characteristics of MS/TP network frame distribution and the requirements of real-time performance. The algorithm adopts distributed control method, which can adjust...

Peer pressure is common among teenagers. Family and school are the main sources of peer pressure. It is especially important to interact with others during growth and development. Appropriate peer pressure has a positive impact on the growth of teenagers. However, too much peer pressure can lead to depression...

This paper introduces the IPO (Initial Public Offering) for the enterprises which want to go public, and discusses the role of media in this process. Prior research found the correlation between media reports and IPO underpricing by the uncertainty of events reported by the media. And researchers found...

The non-linear creep behavior of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB)-based polymer bonded explosives (PBXs) with different binder content has been measured under different stresses and temperatures. Reduced creep strain and steady-state creep strain rate and prolonged creep failure time were...

Rapid construction of electric power systems leads to a large increase in quantities of network nodes and data, complicating network reconstruction issue significantly. However, the traditional serial algorithms can not reach a satisfactory computation speed; while some proposed parallel algorithms prior...

In order to obtain more energy from photovoltaic cells during the inverse process, maximum power point tracking (MPPT) method is adopted in application. Common MPPT methods may cause misjudgment phenomenon, which not only reduce efficiency of PV energy conversion but also may cause grid-connected current...

According to the wavelet-neural network algorithm of relay protection device has the characteristics of requirement of high sampling frequency and large amount of data calculation, we use FPGA to realize the algorithm in hardware. A system model is built and converted into VHDL code through the system-level...

Equal-gain combining (EGC) is a conventional linear combining scheme used in non-coherent energy detection receiver for ultra-wideband (UWB) signals. However, due to the nonlinear nature of decision boundary, the EGC results in a suboptimal test statistic. In this paper, we propose a new design for a...

Sanguis draconis is a precious traditional Chinese medicine, but it is not soluble in water, and it is difficult to use in type of injection. Sanguis draconis has a low bioavailability, because the coarse particles of draconis can be absorbed very little. In present research, solid dispersions of sanguis...

The LGBTQ community has always been in a position of discrimination in society. They are considered “abnormal” by others for a variety of reasons: religion, race, social status, etc. With the development of society, people have different views on such groups. However, most people still hold prejudice...

Geological disasters are always induced by excavating in extra-long tunnel engineering. In order to ensure safety in construction process, the ground penetrating radar (GPR) has been used to measure adverse geological conditions in front of the tunnel excavating face. Application experience of GPR in...

This paper gives a brief introduction of chaos, digital water-marking and the application of chaos digital water-marking and information hiding. Then it analyzes the main difficulty in corresponding research that hidden information should have strong robustness and invisibility which contradict each...

To accurately diagnose the mechanical failure of fan, the method based on the symmetrized dot pattern (SDP) analysis and improved Back Propagation (BP) neural network is proposed. Vibration signals acquisition of 13 kinds of running states were achieved on the 4-73 No.8D centrifugal fan test rig and...

A design of automatic boiler intelligent alert system based on the wireless AD hoc network is presented in this work for realizing unattended communication between the boiler and operators. This intelligent system was accessed to the original boiler alert system without reforming using the microprocessor...

The mine drainage system undertakes an important task in underground water exclusion, while the traditionally manual system, which has many disadvantages, can not adapt to the mine production and management mode of modern enterprises. Based on the reality of coal production and the trend of modern automatic...

Urban waterlogging, which impact traffic and residents directly, is influenced both by meteorological and urban drainage capacity. Urban waterlogging problem is also a complex issue involving meteorological department, the municipal sector, the transport sector and the general public, which may be solved...

Forward osmosis (FO) process is a new membrane separation process that developed in recent years; it is driven by the osmosis pressure difference of solution on both sides of membrane. Forward osmosis process don’t need to force energy-driven extra, and the main energy consumption of the whole craft...

In this paper, the 1082 orbits CCD camera data of Chang'e-1 satellite (2c Data) are processed and sorted, using professional remote sensing software such as ENVI ERDS NASA PDS Viewer etc. to generate the full moon image map. And the spatial resolution is 120m which lays the foundation for the census...

With continuous development of information technology, the development of various media also becomes increasingly fast. The integration between traditional media and new media becomes an inevitable process. In media convergence era, the design of news fine art also has basis for innovation. This article...

The higher requirements of Technical personnel is needed in the world knowledge economy challenges.As a new professional training direction of project management important talents, professional education and teaching content of project management major is complex.Only constantly improvement and innovation...

The aim of this study is to search for the best teaching method to improve the college students' ability utilizing the information resource . This paper presents an analysis of the survey on utilization of foreign language information resources in universities. The result shows that the rate of utilizing...

Through the analysis of relevant professional of domestic colleges and universities, on the basis of researching the demand for talent and industry characteristics in the field of resource recycling in Tianjin, tightly around the treatment and disposal of municipal sludge and electrical & electronic...

Comparing with the government-commune policy in collective economic period, under the circumstances of the shrink of national administrative authority boundaries and the expand of the power of grassroots villager autonomy, village cadres as an intermediary to connect the national and grassroots is undoubtedly...

In order to improve the efficiency of ring-based signature scheme, a new ring-based signature scheme based on cubic residues is proposed. The scheme does not need any bilinear pairing computation which is known to be difficult to computation. The proposed scheme is proved to meet the signer unconditional...

Simple supported-to-continuous girder bridges are commonly and widely used in bridge engineering in China. For this type of bridges, normally, the longitude connections are casted in-site by concrete. The quality of the casted concrete is difficult to control. After a large number of field surveys, damages...

The traditional aero model DC(direct current) motor is commutated mechanically by brush and commutator, however, there is mechanical friction between the brush and commutator, which will cause noise, sparks, electromagnetic interference and many other problems. Because of the disadvantages of high manufacturing...

The loading conditions of cavity is determined through using CAE software MOLDFLOW to simulate plastic flow injection molding process of the plastic product and as the force for the input load of the plastic products injection mold cavity strength analysis. Study on finite element simulation of stress...

In this paper, a small photovoltaic power generation system based on micro-inverter is introduced. In order to overcome the shortcomings of stand-alone mode and grid-connected mode, an operating method is presented. The system is parallel with the single-phase grid to enable grid-connected operation...

Dynamic analysis method is used in this paper to analyze the dynamic response of planetary gear train with two degrees of freedom under the conditions of the start-up and load step change during operation. The results show that the angular velocity relationship between the components under steady-state...

In order to improve the information management level in the process of automobile tire tread production, the actual condition for the tire production process is analyzed in this paper. The information management system of the extruding line in the process of automobile tire tread manufacturing is designed...

In order to improve the surface quality of the cold roll-beating workpiece and explain the surface hardening behavior of the workpiece, an experiment on the microhardness and scanning electron microscopy of a cold roll-beating workpiece was carried out by using involute spline as the subject. The changes...

Gene regulatory network is a large number of genes regulated by transcriptional factors and translated into protein complex information so as to realize the biological function, is an important part of people's understanding of biological processes and gene function. In order to understand the regulatory...

A pot experiment was conducted to study the effects of continuous shade stress during procreation growth stage on isoflavone and lignin accumulation in developing soybean seed. The results showed that continuous shade stress during procreation growth stage could improve the isoflavone and lignin accumulation,...

Based on VAR model and data from 1996-2017, the thesis states investigations of the principle, dynamic evolution and path of industry optimization and upgrading ’s influence on Chinese foreign trade. Researches show that: industry optimization and upgrading ’s influence on Chinese foreign trade is merely...

By deeply understanding the training situation at the grassroots level and focusing on analyzing the specialized organizational and training abilities related to equipment application, this study aims to develop the training objectives, ability model, training system, and teaching methods for specialized...

The coordinated management of corporate legal, compliance, internal control, and risk is not only an inevitable requirement of the policy environment but also an extension of the theoretical consistency among legal, compliance, internal control, and risk management. At the same time, digital intelligent...

Carboxylated polystyrene particles were synthesized by batch emulsion copolymerization of styrene (St) and methacrylic acid (MAA) at 70 °C for 7 h. The effects of introducing time and amount of emulsifier SDS on the polymerization and properties of polymer particles were investigated. Results showed...

Withthe rapid increase of people's living standards the requirements for the surrounding environment also change. Environmental design has a very important influence on people's work and the comfort of life at some level. In the design of aesthetics and enjoyment, the development of digital technology...

According to the high requirement for time efficiency of monitoring on pollution clouds, based on the modern infrared telemetry technology and spectral imaging technology, the edge extraction algorithm for pollution clouds is established by using the wavelet transform principle, and the damage range...

Higher education plays a key role in the present and future of a nation, of which the development direction and the route choice are major issues. In the context of the coexistence of two phenomena, the trend of globalization and the resurgence of local protectionism, it is essential that the higher...

Drawing on social exchange theory and social information processing theory, the paper analyzes the impact of per­formance appraisal orientation on knowledge hiding behavior and further discusses the mediating role of competitive climate and cooperative climate. By a questionnaire survey to knowledge...

The purpose is to reform the current curriculum system of preventive medicine undergraduate education based on the biomedical model, make full use of the comprehensive quality of colleges and universities, integrate and optimize it comprehensively, reform the teaching methods, and establish a set of...

Most of students from non-English speaking countries have a preference on choosing English as a second language because English has been one of the most popular and important language now which is widely applied in not only daily communication but also in commercial trade. Therefore, English teaching...

In this work, a new covalent triazine framework based on phthalazinone-containing dinitrile building blocks was prepared by the dynamic nitrile-trimerization reaction. The FT-IR spectra of BCTF illustrated the characteristic peaks of the triazine at 1503 cm-1 and 1360 cm-1. The nitrogen sorption isotherm...