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This paper discussed the meaning and tasks of construction of virtual simulation experimental teaching center aiming at education information development and experimental teaching reform and innovation, analyzed the challenges virtual simulation experimental teaching face under the new situation, proposed the consideration and suggestion that benefit the sustainable development of construction of virtual simulation experimental teaching center. [ABSTRACT FROM AUTHOR]

Nowadays, oil pollution is one of the most serious environmental pollution, since it brings harmful effects for human survival. It is worldwild problem to be solved urgently. How to remove oil pollution and environmental purification becomes a important problem, and becomes a research hotspot. Application of adsorption materials possesses broad prospects, due to energy saving, environmental protection, efficiency and other advantages. In this paper Lankao Paulownia which is widely distributed and rapid growth is considered as the research object. The hydrophobicity and oleophilic of Lankao paulownia leaves are characterized by static contact water angle ( CA ) . Morphology and composition are characterized by scanning electron microscopy ( SEM ) and thermogravimetric analysis ( TGA ) . The reverse side of Lankao Paulownia leaves possesses the better hydrophobic performance, and static its contact water angle can reach 131°. Surface of leaves has roughness dendritic structure. Both sides of Lankao Paulownia leaves have super-oleophilic. The highest saturated oil absorption of Lankao Paulownia leaf can reach 10.7 g/g. [ABSTRACT FROM AUTHOR]

The processing methods of vortex signal were studied to improve the effect of vortex flow signal processing because the flow signal of vortex is easily affected by external signal interference. The flow signal of vortex can be processed by filtering based on the development platform of virtual instrument LabVIEW. It can observe the filtering effects of 2 order and 10 order for low-pass filters and 3 order for band pass by designing digital filter of FIR. The paper analyses the design method of FIR digital filter. The filtering effect can be analyzed by the characteristic curve of amplitude-frequency and phase-frequency for 30 order and 100 order band pas FIR filters. Using the method corresponding experimental data can be obtained. Expected goal and good experiment result are all achieved. It can provide guidance for the design of vortex flow signal processing, and has important practical value in production. [ABSTRACT FROM AUTHOR]

In order to solve the present river velocity measurement system which uses cable, and has low anti-interference ability, system flexibility and signal attenuation, this paper builds an intelligent river velocity acquisition system to realize automatic acquisition point velocity. The system uses the ZigBee network structure, and the control center computer is connected to ZigBee coordinator, flow velocity collection device connected to the ZigBee terminal, and at last realizes the velocity data acquisition and data transmission. The system realizes automatic elimination of propeller current error data with the analog time series of velocity data, and generates flow cross section measurement transformation matrix according to the flow velocity instrument layout information, so that the problem of the velocity data and the actual measured flow point matching is solved. System separates velocity data and data processing to improve the efficiency of experiment and data processing. Practice application shows that, the flow velocity collection system can meet the needs of large model of river flow velocity collection, the system is flexible and accurate. [ABSTRACT FROM AUTHOR]

Through the analysis of the original frequency conversion cabinet air circulation, and based on the data calculated, In this paper the position and the size of the opening are optimized to reach the best radiating effect of each frequency conversion cabinet work. In practical application, the design improves the cooling efficiency from the air conditioning cabinet, increases the service life of converter, enhances the cooling capacity of air conditioning, and reduces air-conditioning energy consumption. [ABSTRACT FROM AUTHOR]

In order to explore the heavy metal ions in wastewater of chromium (VI) new ways of processing method are widely investigated. This paper experimentally studied the preparation of self-assembled monolayers using three surfactants. The result showed the best membrane of the three is use of aminneoxide. The mechanism of adsorption was explored. The function of the self assembled monolayer was detected through treatment of wastewater containing Cr2O72-. The best concentration was 1: 1 for preparation of self-assembled monolayers, which was confirmed by Uv-vis spectrum, Fourier transform infrared spectrometer and Fourier infrared spectroscopy. And the self-assembly film forming mechanism and adsorption mechanism were preliminarily studied. [ABSTRACT FROM AUTHOR]

Air viscous resistance has an impact on the precision of the air track experimental results. Based on data obtained from experiments and a simplified model of air viscous resistance of air track, an experimental model of measuring and processing air viscous resistance is established and it is verified by experiments in this paper. [ABSTRACT FROM AUTHOR]

The main controller and lamp control devices of AC intelligent lighting control system embedded mobile phone communication module and AC light regulating circuit, can be used to realize mobile phone low harmonic and precision dimming control remotely. Main pins of JB35G mobile phone communication module are connected to the SCM of main controller correspondingly. Through the multifunctional GSM module setting software V4.2 or V5.0, according to the mobile phone remote communication control settings mode, each lamp of an intelligent lighting control system can be controlled using a SIM card and a JB35G module. AC light regulating circuit is mainly composed of an electric light source load driving circuit (module I), alternating current zero-crossing detection circuit (module II), single chip microcomputer. The alternating current zero-crossing detection circuit is mainly composed of the square wave generating circuit, diferential circuit, shaping pulse circuit. The paper discussed the design and innovation of the AC dimming driving circuit. Practice has proved that the main controller and lamp control devices of low harmonic precision dimming system controlled by mobile phone not only can remotely control, simple operation, favorable for operation management and maintenance, but also have the advantages of high precision of zero crossing detection, low power consumption, low harmonics, good operational reliability and anti-interference ability. [ABSTRACT FROM AUTHOR]

The national undergraduates engineering comprehensive ability training and competition is science and technology innovation contest, based on the comprehensive engineering training teaching platform in domestic universities. These activities can deepen the reform of experimental teaching, practical ability and team spirit of cooperation, and promote the cultivation of innovation talent, hence carried out a public science and technology innovation practice for innovative talents. This paper introduces the process of car design, manufacture and adjustment, and the experiences and lessons can be shared. [ABSTRACT FROM AUTHOR]

Proteus is applied as auxiliary means to solve the problems in design and production of electronic products. Proteus not only simulates the performance of the product, but also solves the problems in the product debugging. This paper mainly illustrates the application of Proteus with a housing monitoring system. It was proven that the advantage of using Proteus is obvious in design and production of electronic products. [ABSTRACT FROM AUTHOR]

By the development of theIinternet and exponential growth of network information, there are a large number of duplicated pages on the network. The fact reduces the retrieval of speed and precision, and affects the retrieval efficiency, moreover, influences the quality of search engine. On the basis of the structural text description, this paper proposes an improved eliminating repetitive algorithm method by using MD5. The paper deals with the algorithm content, algorithm characteristics and algorithm design. It has been proved through experiment that the method has a good effect on improving the recall ratio and the precision. [ABSTRACT FROM AUTHOR]

In view of the deficiency of the paper or email submission and review, an online contribution system based on .NET platform was developed to shorten the manuscript circulation, improve the work efficiency of the editorial department. Taking Jiangsu finance and economics as an example, we designed such a system which adopts three layer architecture. The demand analysis and the function design of system are discussed in detail in this paper. According to the system design principle the platform realizes online submission, online manuscript editing, online experts review and other functions. The trial running of the system test shows that the system has stable performance, simple operation and safe operation. [ABSTRACT FROM AUTHOR]

The status of the industrial automation technology trended to "integrated, networked, intelligent". Fieldbus technology is the only way for network integrated automation control system, and the OPC technique realizes the standardization and openness for the data exchange of industrial process. The paper applies fieldbus and OPC technique to build an integrated experimental platform which simulates the real factory model and is a four level network. [ABSTRACT FROM AUTHOR]

To solve the security in sue in data transmission due to uncontrollable problems in present network transmiision process, this paper designs an experimental network virtualization platform by using Openflow protocol. The platform holds a cloud-computing architecture, and data are transferred on the platform. The platform achieves the data transmission via OpenFlow experimental platform and the process is controllable and secured. Based on the research of OpenFlow network through the experimental platform, the authors examined the transmission process and mechanism of how it works. The conclusion is that the innovative OpenFlow network is able to achieve the remote control of data forwarding in transmission and hence improves the security of data transmission in cloud-computing architecture. [ABSTRACT FROM AUTHOR]

This paper described the surgical teaching laboratory construction in Nanjing Medical University, in accordance with the requirements of the national experimental teaching demonstration center. This lab reform focuses on surgery practice from the experimental teaching ideas, teaching system, teaching team, laboratory equipment, environment and lab operation, management mechanism and so on. We innovate practice teaching idea and establish the experimental teaching demonstration center of Jiangsu Province. We design experiment teaching contents, manufacture simple teaching equipments and increase improving and innovating experiments in order to build a surgical practice teaching style. We strengthen the construction of experiment teaching team and make it stable to improve the teachers initiative and creativity. We strengthen the education of laboratory principles and set up advanced management mode to ensure the safety of laboratories and to make sure that the laboratory run well. Our struggle has obtained the remarkable effect in basic experiment teaching, it cultivates medical students with clinical skills, clinical thinking ability, communication ability and innovative ability. [ABSTRACT FROM AUTHOR]

Around construction of student science and technology innovation platform in the national experimental teaching demonstration center, we researched and practiced the innovation education system which is driven by projects. This paper analyzes the purpose and project driven principle and its effect, introduces innovation education system driven by projects. We have proved the validity of the scheme after a few years of research and practice. [ABSTRACT FROM AUTHOR]

X test center is an examination organization which supplies a variety of inspection and testing services to society. With the time passing by and the increasing tasks, the traditional mode of manual analysis and work methods cannot meet with the needs of the current situation any longer. In order to complete test task better and faster, reform is necessary and unavoidable. The paper analyses the problems of X test center based on the actual situation, gives improvement ideas on the organizational structure, post, inventory management etc., describes the implementation of total quality management based on laboratory information management system. [ABSTRACT FROM AUTHOR]

This paper explores the engineering training project development. The engineering training has an irreplaceable role in cultivating students innovative consciousness, innovative thinking and practical ability, and it is the basic guarantee and an effective way to improve the overall quality of teaching. Based on the interest of students, we choose things taken around students as training cases of engineering projects. These projects inspire the students creative thinking, cultivating students innovative ability. At the same time, the students abilities to use modern technology to solve practical problems and the comprehensive engineering qualities are improved. [ABSTRACT FROM AUTHOR]

In order to reflect the integrated circuit design professional characteristics better, improve the practical ability of students, and enhance the employability and competitiveness, undergraduate teaching practice in integrated circuits achieves more attention of educators. Based on the current situation of undergraduate teaching practice in integrated circuits, the paper presents the problems in the current undergraduate IC teaching practice. Through the detailed analysis of IC design teaching content distribution, practice tools, practice overhead costs and other issues in the next IC design undergraduate teaching practice, the paper lists some possible ways to improve education quality, such as to master the use of integrated circuit design automation tools to improve education quality, change the practice of teaching methods to reduce costs and so on. The ultimate goal is to realize the integrated circuit design undergraduate teaching objectives. [ABSTRACT FROM AUTHOR]

In order to adapt to the rapid development of environmental subjeets, resolve the ubiquitous problems in universities sueh as the exeessive teaehing task, the shortage of teaehing time, and the laek of laboratory spaee, we eonstrueted a four-level network information platform for environmental experimental teaehing. The platform eovers four publie support platforms of university, teaehing eenter, eolleges and teaehing elasses. It ean implement seientifie management with many aspeets sueh as the experimental eourses, professional laboratory, reagents and instruments medieine, and teaehing equipment as well. This paper foeused on the teaehing eenter's network platform ineluding planning, designing and its funetions. [ABSTRACT FROM AUTHOR]

In order to solve the problems existing in the financial practice teaching of practical-formed universities, and let the practice teaching play a better role, this paper presents three principles that the financial practice teaching should combine + on the campus" and + of the campus", combine + in the classroom" and + outside the classroom", and establish a system of knowledge. The paper establishes the goal system from the aspect of the training of application-oriented talent, establishes the content system according to the realization of the goal system, establishes the management system from the practice teaching regulations and evaluations, establishes the guarantee system from four aspects : to realize the importance of the practice teaching. By these we can strength the establishment of the laboratory and + of the campus" practical bases, establish the curriculum, and improve the teachers' level. [ABSTRACT FROM AUTHOR]

This article recalls the history of the development of pulp plastic arts. Its experimental techniques and materials are also studied by comparing the traditional papermaking techniques and materials in pulp art form with the modern art and design creativity. It can bring the new visions and means to further reflect on the traditional art of paper pulp, and support the change of main body of the concept. Pulp material is combined with the plastic arts, it then becomes a unique beauty to art and creative design. The development will improve the paper industry and increase added value to cultural industries, and also make the traditional industries survive in an active way. Pulp is an eco-friendly and recycled material, using recycled paper pulp can also protect the natural environment of globalization different angles proposal. The pulp in plastic arts improves the experimental curriculum innovation. [ABSTRACT FROM AUTHOR]

In china, higher educational software market is undeveloped and the concentration is low. There are lots of problems need to be solved, such as poor products which are difficult to meet the needs of personnel training, a large number of small-scale companies, market with asymmetric information, contempt of service, etc. Benefits and framework of the higher educational software test platform are systematicaHy reviewed in this paper. As a qualified higher educational software test platform, the benefits of government education authorities, universities, software developers and teaching objects must be syntheticaHy considered; professional evaluation team must be formed to support the platform; distinguishing characteristics must be recognized in terms of diferent industries, diferent software technology platforms, diferent educational levels, and diferent types of personnel training needs ; an service platform with multiple functions of teaching software evaluation, experimental teaching software market analysis, experimental teaching resource integration, and teaching software development guidance must be constructed. [ABSTRACT FROM AUTHOR]

" Engineering Drawing autonomous learning platform " provides a completely independent, opening, interactive learning environment for the engineering drawing learners and enthusiasts. The platform focuses on " electronic classroom", is assisted with " electronic laboratory" and supported by " learning management system" . The platform integrates the functions of teaching, learning, practice, test, and judgment. It has many features, such as autonomy, assistant, reproducibility, opening, interactivity and so on. When the learners log in, the management system wilprovide study Yuidance accordinYto the reYistration information. Learners can learn repeatedly and autonomously, practice in the " electronic classroom", see tri(dimensional models in the " electronic laboratory" . These functions wiil help) the learners to understand, master and expand of their knowledge. After finishing learning, the learners can log in the " examination system " to test the learning effect and then the system wiil guide the learners for their further learning. The platform keeps to the " student-centered" teaching philosophy, follows up the " learn for fun", " learn for knowledge" and " learn for life" training modes. This paper focused on the construction of the engineering drawing platform, and explores the mode for training the high quality military talents. [ABSTRACT FROM AUTHOR]

Since translation works a key expertise for students majoring in foreign languages, the experimental teaching of translation courses is of great significance. The paper elaborates on the application of PBL in the experimental translation courses on the basis of constructivism through school-enterprise cooperation, scene creation, open laboratory, team-based learning among students, etc. Students learn and master the operation of the CAT software Trados and translation projects management software Pnoetex in the open laboratory and translate news from Translation Company through group tests and role play with the guidance of teachers and translators from Translation Company. It is evidenced that the experimental courses wiil help) promote students ' ability in translation in a fast way and lay a foundation for their future translation career. [ABSTRACT FROM AUTHOR]

The paper is about implement tlie " Outstanding Program" for grasper, innovate college-enterprise cooperation base mechanism. It elaborated importance of training base construction in the experimental demonstration center, actively explore and seek coüege-enterprise cooperation ways. Adhere to the industry of training, in order to promote research, to produce a training, to research with production management principles, to build a training base. Making bold and comprehensive innovation and exploration on construction of practice base, teaching models and teaching methods, and finally establishing a new model of professional, production-practice, including project-based practice and innovation practicing environment, realize sharing device resources conditions, university teachers and enterprise engineers. The experiment proves this is the primary problem in the training base construction during to innovation " Outstanding Engineers" as the core training base construction mode, and to find and seize balance of interest point between schools and enterprises. Only in this way, coHege-enterprise cooperation base can play its due role, and is in accordance with development tendency of current national talent training reform. [ABSTRACT FROM AUTHOR]

As the rapid development of the higher education in China, it is very urgent to open the laboratories in full time. But it also cause some management problems, particularly in flow and large population. The staffs are hard to make the schedules clear enough to deal with check-in. It is an urgent demand to deploy an open laboratory management system which should be based on the identification. This paper designes an open laboratory management system based on fingerprint measurement identification and use minutia fingerprint matching algorithm to realize automatic fingerprint detection identification, which makes the algorithm more robust to nonlinear deformation between two images by changing a stable window into an alterable one. Finally, it stduies the whole software implemenation process. It adoptes the FVC fingerprint database and live stimulation to make experiments on the automatic fingerprint identification algorithm and verified the availability of the system. [ABSTRACT FROM AUTHOR]

Discipline construction of our country university at present is being in the ontinuous improvement and development stage. Laboratory is an Important component part of discipline construction, how to develop the experimental staff enthusiasm, stimulate staff ' s work enthusiasm and improve work efficiency is the key to the development of laboratory construction, this paper aims to establish the experimental personnel performance appraisal mechanism and evaluation of science, for coHeges and universities, discipline construction, development to provide a good foundation conditions. [ABSTRACT FROM AUTHOR]

The opening innovation laboratory provides the opportunities and platforms for students and be helpful for cultivating students ' comprehensive ability and innovative spirit. In this paper, the full liberalization of opening innovation lab in time, space, experimental content and learning styles, as well as the encouragement of innovations, were presented. The method of laboratory type selection was based on the characteristics of subject and students ' interest, and a new open management mode of independent study, were provided and applied. [ABSTRACT FROM AUTHOR]

The problem of experiment-teaching team should be paid attention in the laboratory construction. This paper analyzed the current situation and discussed the guiding idealogy, policy orientation, training teacher and technician, respectively. Then the authors put forward some suggestion and countermeasures and pointed out that it is necessary to change people ' s tradition idea, to set up the mechanism to excit and stablize the experiment teaching team, so as to promote the laboratory constuction. [ABSTRACT FROM AUTHOR]

This paper first discusses the research significance in coüege execution from universities to improve competitiveness of view, and then from the " official standard" guide individual promotion, hierarchy made alienation, poor information to influence policy science, it is difficult to form a common vision analysis of four aspects of the coHege organization structure and the status of executive force caused by the restriction, according to Paul Thomas ' s Rule organization executive enterprises, from the establishment of leadership is service concept, building shared vision, establishment of centralization and decentralization of project matrix, the unity of the four aspects of execution measures. The course group matrix, students ' scientific research item, the learning activities of matrix group matrix organization is based on the principle of enterprise management combined with the actual management experience proposed certain innovative organization structure reengineering, hoping to enhance the coHege executive power. [ABSTRACT FROM AUTHOR]

The use of language laboratory and relevant information technology in foreign language teaching is a necessary model and method in modern foreign language teaching. By using the full-text version of the Chinese Academic Journal Network Publication Database in CNKI, this thesis retrieves the statistic output of researches relating to laboratory use and makes a comparative study of the research distribution of time, periodicals, topics, authors and funding institutions. Then a Bibliometrics ' basic law is applied to investigate university language laboratory development process and its present situation, based on which the existing problems are identified. [ABSTRACT FROM AUTHOR]

The network management of large-scale instrument technically realize the sharing of large-scale instrument, developing the instrument with lower utilization rate, aUeviating the contradiction between supply and demand of popular instrument for test, and further improving the aHocation of resource. This paper wiil introduce large-scale instrument network platform of Analysis and test Center in our university for sharing information on the construction and management and the results achieved, as well as the future construction of analysis and test center network platform. [ABSTRACT FROM AUTHOR]

A large precision instrument information management system in coüeges and universities was developed, which was based on mobile wireless network, internet and embedded control technology to solve the relatively backward of the large precision instrument information management. After the description of the system function, this paper put forward the system structure and working principle. The system used the ARM to design the controUer circuit of the system client. As for the software, this paper designed the software process based on the wireless network types and network mode, and described the function of the key class library on the web application development, listing some examples of the structure of the network application. This paper shows an advanced, efficient and convenient information platform for the monitoring and management of the large precision instrument in coüeges and universities. [ABSTRACT FROM AUTHOR]

With the rapid development of network, congestion appears frequently in the Internet. Queue management is an effective mean of congestion control at the network layer. Queue management algorithm can be divided into active queue management and passive queue management. By simulation experiment using NS2, the paper compares the active queue management algorithm RED and the passive queue management algorithm DropTail in the four aspects of the performance: the length of queue, throughput, packet loss ratio and queuing delay. With the analysis of simulation data, it is concluded that in terms of queue length, packet loss, delay, RED algorithm has the absolute advantage over DropTail algorithm ; in throughput, two algorithms have little difference. Thus, RED is more effective than the DropTail in the queue management algorithms, and a basis for the further study of congestion control mechanisms is provided. [ABSTRACT FROM AUTHOR]

In order to solve the problems that the traditional laboratory equipments were faced by aging and the shortage of resources, our research group based-on the real computer network laboratory, using B/S mode and the . NET control technology, have constructed a 2D on-line laboratory, and has been used in undergraduate teaching. However, in the application, we also found some design deficiencies, for examples, devices were connected in one-way direction, the IP address legitimacy could not be guaranteed, and the experimental data are easy to losing. Aiming at these problems, the paper proposes the optimizing scheme to improve the virtual laboratory system. [ABSTRACT FROM AUTHOR]

By analyzing the composition and characteristics of the original lab for sensor and detection technology, and dealing with the defect of virtual experiments in the country. The paper applies 3DS MAX, Cull 3D and LabVIEW software platform to realize the bidirectional feedback 3D virtual experiments of sensors and detection technology. By the platform, the experimenters can combine the theoretic knowledge with experimental process together, cultivate their operational ability. The remote monitoring and control experiments of sensor applications are implemented by existing laboratory equipments. Moreover, the experiment can train students lo use sensor basic theory knowledge lo analyze engineering problems. [ABSTRACT FROM AUTHOR]

In order to solve the problem of big difference between simulation process and actual application process this paper takes the signal filtering in electrical circuit system as an example, to present a design method of digital filtering system. Using relevant modules provided by the software of SIMULINK/SIMSCAPE, some electrical circuits are built, and combing some programming skill, triggered subsystem from SIMULINK modules is used to simulate the process of periodical sampling, periodic calculation of difference equation. Furthermore, relevant programming idea is introduced by the implement of a first order low pass filter. Finally, simulation results show the efficiency of the proposed method. [ABSTRACT FROM AUTHOR]

The measuring method of performance index for activated coke can be developed using the results in this paper. In the C0D adsorption experiment, the potassium hydrogen phthalate was used as standard reference material to measure the C0D-adsorption capacity of activated coke. Referring to the test method of phenol adsorption value of activated carbon, the measuring method of C0D adsorption value with activated coke was developed. The statistics theory was applied to analyze and process the experimental data. Based on rejecting the abnormal value the relation between C0D-adsorption capacity and dosing quantity of active coke was established. Furthermore, optimum sample weight of activated coke should be 1. 000 g considering the coefficient of variation. In this paper statistics method was used to guarantee the result' s reliability. [ABSTRACT FROM AUTHOR]

Simulation of leaf shape is the most important part in plant modeling and visualization, and leaf margin is an important feature of leaf shape. In this paper, an interactive leaf margin formation method is presented. This paper integrates the methods of corner detection, broken line fitting and spline curve fitting etc. to model various leaf margins for the cucumber leaves, and simulates the change of leaf margin in the whole growth process. Finally we apply VC + + and OpenGL tools to achieve the 3D model of growth in cucumber leaf margin, experiments show that this model can provide a high realistic effects. [ABSTRACT FROM AUTHOR]

The used Zinc-manganese cell is one of the most solid recycling waste. Whither preventing environmental pollution and recycling use of resources, the recycling and processing of the used batteries are important to recycling economic and social department. The paper focused on the experimental methods and conditions about extracting MnO2 and prepared KMnO4 from used batteries. [ABSTRACT FROM AUTHOR]

The magnetic 1evitation system ( MLS % is researched in this paper and configuration components, performance and functions of MLS are presented. Motion equations of simu1ated physica1 system are given. Seven experiment schemes are designed, and experiment aims and requests are given. Those experiments can he1p students to grasp the characteristics of SIS0 system, SIM0 system, MIM0 system as weH as operation methods of MLS in experiment process for the purpose of understanding PID, Po1e assignment, and LQR method, to estab1ish fundamental for their further study of actua1 contro1 systems. [ABSTRACT FROM AUTHOR]

An experimental equipment based on MSP430F6736 is developed in this paper. MSP430F6736 is an advanced product of Texas Instruments ' MSP430 series microcontroller. It has rich integrated resources. This experimental equipment mainly consists of MSP430 minimum system, a power module, an analog input and output module, a digital input and output module. In this experimental equipment, power module is improved that can switch power inputs among three power sources ( adapter, USB and lion-battery) automatically. Users can conduct six kinds of experiments including an IIO experiment, a timer experiment, a storage experiment, an input and display experiment, a serial communication and wireless communication experiment, an instrumental experiment. It fits for university students of automation and electrical major very well. [ABSTRACT FROM AUTHOR]

Usually, the measuring instrument for magnetic materials exists the problem that an instrument only completes a single measurement, its price is high price, and a large amount of data need to be processed. To solve this problem, a multifunctional measuring instrument which can measure dynamic hysteresis loop, remanence, coercivity, permeability and magnetostrictive materials magnetostrictive coefficient is introduced in this paper. Double-wire method is used to measure the dynamic hysteresis loop and the related parameters, and resistance strain gauge method combined with non equilibrium bridge is used to measure magnetostriction coefficient. The functions described above are unified through the circuit design, and the buttons on the panel control function switch. The A/D which is handled by the microcontroller collects data, and the measurement result is displayed on the LCD screen directly. This instrument realizes many functions, saves the experimental cost, and eliminates the conventional processing of the data. [ABSTRACT FROM AUTHOR]

A double forward high frequency soft switching power supply for telecommunication is proposed in this paper. The leakage inductance of the transformer and a series connected capacitor are utilized to form the resonant tank ; with the proposed design, zero-voltage/zero-current switching is achieved and system losses are significantly reduced. The proposed system is verified experimentally; the results reveals that the system design enables safe, reliable and high-frequency soft switching operation ; and the prototype can achieve high efficiency and high power density. The maximum power output of the system is 500 W under 50 kHz switching frequency; the output voltage is 24 V with 93% efficiency at full power. [ABSTRACT FROM AUTHOR]

The system designed in this paper acquires data through ECG conditioning circuit and processes the data through low-power MCU MSP430. And then, using ultra-low power ANT protocol data were sent to the PC equipped with an ANT_USB receiver module, or sent to the ANT to Bluetooth module and then forwarded to the mobile android terminal. After the PC or the mobile android terminal receives the data, real-time ECG and heart rate information are displyed, diseases can bed diagnosed, and the diagnostic results can be shown. When the abnormality is detected, an alarm sounds and the data are sent through a TCP / IP network! or the mobile Internet to the remote medical center for timely and accurate diagnosis and treatment. And the terminal application program can easily record, store, query the users information and detection results. [ABSTRACT FROM AUTHOR]

A variety of problems exist in building an intelligent community. At this stage, there are mainly three problems, which are to satisfy the requirement of community management and household complex business, to satisfy the expandability of its function and technology, under the situation of continuous innovation and change of the community framework and technology, and to satisfy the incorporation and integration of existing information resources. The present solution is mainly aiming at solving the first problem, does not consider the other two problems. J2EE is a widely used technology framework because of supporting design and developing the complex, portability, safe and reusable software system. The cloud computing supports the information technology managing the dynamic basic resources. Based on J2EE and cloud computing, this paper presents an intelligent community framework, which is an overall intelligent community design, and integrates the software, business and database design, The design aims to give an efficient solution for the three problems. The successful application in the intelligent community case illustrates its effectiveness. [ABSTRACT FROM AUTHOR]

According to the motion characteristics and application requirements of port container terminal handling models, and combining with implementations and characteristics of serial communication, a monitoring and control system of S7-200 PLC and PC based on PPI communication has been designed in this paper. The paper formulates communication interface protocol, analyzes the design requirements of PLC side and PC side. The PLC program uses basic instruction and control relay instruction, and PC program is of Visual C+ + language. The system can stably and efficiently realize the monitoring and control of models in two interfaces. The separation of two monitoring modules appear in one interface, and the switching between two monitoring models are realized by two buttons which are in the interface. [ABSTRACT FROM AUTHOR]

Using . NET technology, C# program language and SQL database technology, the paper designs a reservation system through the web browser, and the demands of the remote network experiment platform based on B/S mode. The system realizes the reservation of experimental time and equipment students required, improves the efficiency of the resource scheduling and management. The paper represents the key technology of this design and the realization of collision detection on reservation in detail, the specific realization processes and the result of functional verification. It is concluded that this system can assign reasonably time and network equipment, and raises re source ' s utilization ratio. [ABSTRACT FROM AUTHOR]

In order to help) the labs in universities to improve the management capability of complicate networks, this paper introduces the method of the implementation of DHCP service and security service in a complicate lab environment. We also discuss how to setup Vlan in different broadcast domains of a three-layer network, and how to automatically distribute IP address for each Vlan, and how to realize communication among diferent Vlans. An application example in DHCP security field is provided. The present study provides professional suggestion to DHCP management in LAN environment of university labs. [ABSTRACT FROM AUTHOR]