Shenzhen, China
Shenzhen, China

Shenzhen Polytechnic is an educational institute in Shenzhen, China, founded in 1993.Shenzhen Polytechnic is located in Xili in Nanshan District. It has four campuses . It has 21,000 full-time and 6,000 part-time students enrolled. The polytechnic is a senior academy offering full-time courses, focusing on production, construction, management and services. It has four campuses - East Campus, West Campus, North Campus, and the Overseas Chinese Town Campus - which together occupy an area of 168 hectares, 49 hectares of which are buildings. These buildings house libraries with 1.34 million books, laboratory complexes, and other facilities. Shenzhen Polytechnic’s Industrial Training Center, for example, includes 28 training laboratories and 116 branch laboratories. In addition, the Polytechnic operates 330 off-campus practice bases.In 2001 the polytechnic received the First Prize of National Educational Achievement. In January 2003, the polytechnic was designated a key national vocational and technical college. In September 2003 it was the sole recipient of an “A+” in each of 15 indexes of education in a nationwide evaluation of vocational and technical colleges and, for this achievement, was granted the title of “ Fine College ”.In 2005 it received the First Prize of National Educational Achievement, for the second time, for which the Polytechnic was selected a National Model Vocational College by the Ministry of Education, and was recognized, nationwide, as a pioneer college.Shenzhen Polytechnic employs 1,775 staff. These staff includes 1047 teachers, of whom more than 80% are "dual-skilled”. There are over 20,000 full-time students and about 5,000 part-time students. These students follow a range of training courses and are granted technical certificates upon graduation. In recent years, the employment ‘take-up’ rate has also been above 95%. In addition, 53 students and staff members have been awarded the CCIE certificate, one of the world’s leading awards in the area of internet studies.Within Shenzhen Polytechnic, there are 13 schools which cater to 92 specialties. These are: The School of Electronics and Information Engineering; The School of Mechanical and Electronic Engineering; The School of Media and Communication; The School of Economics and Management; The School of Art and Design; The School of Animation; The School of Applied Chemistry and Biological Technology; The School of Automotive and Transportation Engineering; The School of Construction and Environmental Engineering; The School of Applied Foreign Languages; The School of Nursing and Medical Technology; The School of Further Education; and, finally, The School of Training.With the support of the Ministry of Education, the Computer-Aided Design course, the Electronics and Information Engineering course, and the Intelligent Building Engineering Technology course are 4-year programs. Each specialty has three or more off-campus practice bases and is overseen by a Specialty Management Committee. The total of 80 Specialty Management Committees have established close relations with 1000 or more enterprises and companies in Shenzhen.The School of Training provides training bases at the national, regional and local level. At the national level it provides China’s National Highly Skilled Professionals Training Base, China’s National Teacher Training Base for Higher Vocational Education, and China’s National Occupational Skill Testing Organization. At the regional level the School of Training provides Guangdong Province with its Highly Skilled Professionals Training Base. And at the local level, the school provides the Municipality of Shenzhen with its Highly Skilled Professionals Training Base and its Reemployment Training Base for the Unemployed.In total, the School of Training offers more than 290 vocational skill training and vocational qualification certification training programs. It is authorized to test more than 100 different types of work at technician, primary, intermediate, and advanced levels as well as vocational skills.The polytechnic has six programs of natural science research registered and funded at the national level, and in the Tenth Five Year Plan is ranked 15th for research amongst colleges in Guangdong Province. In recent years, it has published 2200 academic papers on natural science, more than 3400 papers on social science and 400 textbooks on higher vocational and technical education. The polytechnic was ranked first among China ’s vocational colleges in 2004 and 2005.The polytechnic has cooperative relationships with 40 universities and educational organizations outside of mainland China. These include universities and academic institutes in Britain, Germany, France, Australia, the United States, Japan, South Korea, Hong Kong and Taiwan . Seven foreign languages, including English, French, German, Japanese, Korean, Russian and Spanish, are taught on campus. And since 1998, for purposes of educational and cultural exchange and cooperation, it has received 30,000 visitors from other universities and educational organizations at home and abroad.The polytechnic enjoys the attention and support of leaders, not only of Guangdong Province and Shenzhen Municipal Government, but also of the Chinese central government. On September 12, 2005, Premier Wen Jiabao paid a visit. In 1997 and 1998, the former Vice Premier Li Lanqing toured the campus, and left written words of encouragement and appreciation. Other leaders visiting campus have included Ms Chen Zhili, Member of the State Committee, Zhang Dejiang, Secretary of Guangdong Province CPC, and Zhou Ji, Minister of the Ministry of Education. Wikipedia.


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Patent
Shenzhen Polytechnic | Date: 2014-11-11

A test bed for electric wheel comprehensive performance is characterized in that the test bed comprises a foundation, a portal frame set on the foundation and including a cross beam and two columns supporting both ends of the cross beam individually, a main pin arm movably connected to the portal frame, and a main rotation shaft revolvably and perpendicularly mounted on the top of the main pin arm, wherein the electric wheel is mounted on the main pin arm and is located inside of the portal frame and right below the main rotation shaft. The test bed further comprises at least one of a road simulation mechanism, an inertia simulation mechanism, a driving power mechanism, a perpendicular loading mechanism, and a steering mechanism which take the simulation test on the electric wheel.


Chi R.,Shenzhen Polytechnic
Lecture Notes in Electrical Engineering | Year: 2014

With the rapid development of the network, network bandwidth has been greatly improved. In high-speed network environment, higher requirement is needed to the intrusion detection system (IDS). The packet capture capability of IDS has become the bottleneck to enhance the system performance. At present most IDS apply LINPAC to capture packet. This paper analyzes and designees an packet capture module in IDS based on Snort, and then shows the design structure and work process. © Springer-Verlag Berlin Heidelberg 2014.


Zhang J.,Shenzhen Polytechnic
2011 International Conference on Multimedia Technology, ICMT 2011 | Year: 2011

This paper designs a Web Services-based security model for digital watermarking; the watermark embedding and watermark detection technology components will be the part of the Web Services of the site. The entire system architecture is based on Web Services via SOAP service requester and the exchange of information between service providers, and uses digital certificates, XML encryption and digital signatures and other security technology to ensure information exchange security. The model proposes for digital watermarking and Web services combined with a certain reference value, it also works in the marketing of multimedia network environment effectively protect digital products. © 2011 IEEE.


Hao P.,Shenzhen Polytechnic
Applied Mechanics and Materials | Year: 2014

Based on the idea of standard back-propagation(BP) learning algorithm, an improved BP learning algorithm is presented. Three parameters are incorporated into each processing unit to enhance the output function. The improved BP learning algorithm is developed for updating the three parameters as well as the connection weights. It not only improves the learning speed, but also reduces the occurrence of local minima. Finally, the algorithm is tested on the XOR problem to verify the validity of the improved BP. © (2014) Trans Tech Publications, Switzerland.


Wang D.,Shenzhen Polytechnic
Advanced Materials Research | Year: 2011

The flat compression properties of corrugated sandwich structure are an important factor to evaluate their cushioning properties. At present, more research has been made on the mechanical properties in the cross direction (CD) and machine direction (MD), but less has been made in the flat compression direction. Selecting corrugated paperboards as samples, we analyzed the flat compression properties of the corrugated sandwich structure and explored the critical stress which is a key element for evaluating the cushioning properties based on theory and experiment. It is convenient to evaluate the cushioning properties and optimize the corrugated sandwich structure. Simplifying the corrugated structure into the struts, and referring to the bending theory of the standard beam theory, we explored the evaluating equation of the critical stress for corrugated sandwich structure by the bending moment and Euler formulas. The critical stress is in direct proportion to the elastic modulus and the thickness of the basis material. It is also closely related to the length of the corrugated cell-wall and the pasted width between the corrugated cell-wall and the linerboard. Changing the above parameters, we can change the compression resistance of the corrugated sandwich structure. The theoretical value of the critical stress of the corrugated sandwich structure is higher than the experimental value, since the mechanical properties are lost when the basis material is manufactured into corrugated sandwiches and corrugated boards. Therefore, the lost coefficient is introduced into the theoretic equation which can not only help optimize and design the corrugated sandwich structure, but also find application in optimized design of cushioning pads of corrugated sandwich structure. © (2011) Trans Tech Publications.


To obtain the total and partial water flow rates of multiple parallel chillers, flow rate models are theoretically proposed based on the fundamentals of fluid dynamics using a real cooling plant with multiple parallel chillers as the prototype. These models reveal the inherent relationship among flow rate, pressure difference, and pipe resistance coefficients. After the model coefficients are determined theoretically and experimentally, both the total and partial flow rates of the multiple chillers are determined. The prototype system is subjected to two kinds of experiments, short-time and long-time experiments, to investigate the effect of resistance coefficients and pressure difference on the accuracy of the models. The two experiments show that the models are accurate in determining the flow rates of chilled water and cooling water in the prototype system. Some characteristics of the models are also discussed briefly. © 2014 Elsevier B.V.


Zhang W.,Shenzhen Polytechnic
Advanced Materials Research | Year: 2014

The chloride ion concentration of sea sand were measured by Volhard method and identified the method of removal chloride ions in sea sand. By comparison of compression test for sea sand concrete and river sand concrete,two compressive strength performance is basically the same, Verify the feasibility of the concrete of the treated sea sand for bluiding. © (2014) Trans Tech Publications, Switzerland.


Wang H.,Shenzhen Polytechnic
Key Engineering Materials | Year: 2011

In order to utilize solar energy and industry waste heat to reduce electricity consumption in heating, ventilating, air conditioning and refrigerating (HVAC&R) engineering, the authors developed a new style diffusion-absorption refrigeration (DAR) system. It can be driven by heat sources with low temperature, and in which LiNO3-NH3-He is used as working fluids and a spray absorber with a solution cooler is designed to enhance the mass and heat transfer, respectively. What presented here is about the modified experiment set and the latest experiment results. The experiments show that the system can start to operate when the temperature of heat source (hot water) reaches to 60°C and it can meet the temperature requirement of air conditioning when heat source temperature varies in the range of 70-83°C. The evaporating temperature varies from 10--13°C at various absorbing temperatures when heat source temperature reaches the level of 83-95°C. The corresponding refrigeration capacity and coefficient of performance (COP) varies in the range of 1.90-74.22kW and 0.177-0.332, respectively. It is also found that the evaporating temperature, refrigeration capacity and COP are so sensitive to absorbing temperature rather than generating or condensing temperature that the absorbing temperature can be used to regulate the working condition and parameters of the DAR system, e.g. by means of modulating the flow rate of cooling water circulating in the solution cooler equipped to the spray absorber. Thus, in the fields with plenty of solar energy or industry waste heat, the new style DAR system can be considered as an ideal candidate for utilizing low-grade energy, saving energy and reducing emission. © (2011) Trans Tech Publications.


Yang H.L.,Shenzhen Polytechnic
Applied Mechanics and Materials | Year: 2014

Medical devices become increasingly part of the network, a variety of network reliability, safety and management issues are continuing to emerge in medical healthcare. The networked healthcare environment risk management standard IEC 80001 addresses the current task. Both the definition of roles and responsibilities and procedures of medical IT-network risk management of IEC 80001 are furthered analyzed. © (2014) Trans Tech Publications, Switzerland.


In order to utilize clean energy such as solar energy to reduce electricity consumption in heating, ventilating, air conditioning and refrigerating (HVAC&R) engineering, the author developed a new style diffusion-absorption refrigerator (DAR) with solution pumps. It can be driven by low-temperature heat sources, in which LiNO3-NH3-He is used as working fluids and an adiabatic spray absorber with a plate-type solution cooler is designed to enhance the mass and heat transfer, respectively. This paper is mainly concern on the principle and operating performance of the DAR, especially the relationships of evaporator temperature (Te), absorber temperature (Ta) and parameters such as the volume flow rate and inlet temperature of LiNO3-NH 3 solution sprayed from the top of the adiabatic spray absorber. Based on measured data and theoretical analysis, the solution circulation ratio is also presented. Analyses indicate that in this DAR system, Te mainly depends on Ta rather than condenser temperature (T c) and generator temperature (Tg). Thus Te and the performance of the DAR can be modulated by changing parameters of the sprayed solution. The results show that this DAR system can be driven by solar energy to meet the requirements of air conditioning, freezing or else. A typical operating experiment shows when temperatures of heat source (hot water temperature Tws), Tg, Ta and Tc are 92.7°C, 87.0°C , 29.6°C and 21.6°C , respectively, the lowest Te is -13.0°C , the corresponding refrigeration capacity and coefficient of performance (COP) are 1.9kW and 0.156, respectively. © 2012 Published by Elsevier Ltd.

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