bluuebunny/crossref_metadata_2025 huggingface dataset:
Design of Portable Instrument for the Concentration of Potassium Ions in Human Vitreous Humor to Estimate the Postmortem Interval
Authors: Xu Xiao Wen , Xu Sheng Qiao
Published: December 2012

This paper presents a portable measurement system for the concentration of potassium ions in human vitreous humor. This system mainly consists of three units, which are ion selective electrode, STC89C52 microcontroller and 16-bit AD7705 analog-to-digital convertor. In order to improve measurement precision, temperature compensation was conducted by using DS18B20 temperature sensor to detect ambient temperature and processing data with compensation measures. This system was tested with potassium solution and the precision can reach up to 99.69%. It can measure in situ the concentration of potassium ions in human vitreous humor which can be used to estimate the postmortem interval. The measuring system presented in this paper is easy to operate and can also measure other ions by changing ISE and the value of feedback resistor of operational amplifier.
Fault Mode Identification of Engine Based on Audible Sound
Authors: Ning Da Yong , Sun Chang Le
Published: December 2012

In this paper, we demonstrate ways of identifying audible sound of working engine to distinguish whether it is in normal condition or faulty condition. A set of experiments were carried out on an engine from a heavy trunk, in order to verify the method, allowing the three sensors located on engine surface to accurately adapt the normal signal and the faulty signal. A technique for faulty mode identification on the engine has been developed based on audible sound. In a practical application of the technique to running engines we capture data of audible sound and a series of analysis were acted on the data, then we could acquire the result to distinguish the state of engine.
The Piezoelectric and Piezomagnetic Effects on the Surface Wave Speed
Authors: Li Li , Wei Yi Wen , Wei P.J.
Published: December 2012

the piezoelectric and piezomagnetic effects and the influence of short and open circuit on the surface wave speed are investigated in this paper. First, the elastic, piezoelectric and piezomagnetic coefficients in the considered ordinate system are obtained by Bonde transformation from that in the crystal axes ordinate system. Then, the equation which surface wave speed satisfies is derived from the free traction condition on the surface of piezoelectric and piezomagnetic half space with consideration of short and open circuit case. Some numerical examples are given and the piezoelectric and piezomagnetic effects and the influence of short and open circuit on the surface wave speed are shown graphically.
Composite Evaluation Using Contact and Non-Contact Ultrasound Excited Thermography
Authors: Feng Li Chun , Chen Da Peng , Zeng Zhi , Tao Ning
Published: December 2012

In ultrasound excited thermography method, high energy ultrasound is used as exciting source which can stimulate the defects such as crack and disband to produce heat. The heat excited would lead to temperature increase. The surface temperature would be captured and recorded by a thermal camera and further analysis would done. In this method, the defect is selectively stimulated, which makes this method suitable for small crack detection. Compared to contact ultrasound excited thermography method in which the sample to be tested is contacted with the high energy ultrasound source, in non-contact ultrasound excited thermography method, the sample has no contact with the horn of the high energy source and the energy is coupled by air. The non-contact method is suitable for the application in which even and not very high ultrasound energy is required or the sample is fragile. CFRPs with impact damage and a composite component with cracks were inspected with these two methods, the results show that ultrasound excited thermography method is suitable for composite evaluation.
The Design and Implementation of the Iron and Steel Industry Sales System Based on Business Intelligence
Authors: Ren Hong Bo , Wang Yu , Luo Rong , Yu Ji Min
Published: December 2012

As the construction of enterprise informatization in the iron and steel industry has increasingly matured, it leads enterprise to accumulate a large number of business data that can not be used effectively. So the enterprise lack of data information for auxiliary decision-making activities. This paper puts forward a construction of the iron and steel industry sales system based on BI. Combining sales information management with decision analysis for integrated solutions can handle daily business, effectively extract and analyze enterprise historical data into useful information which provides decision support for enterprises.
Analysis and Implementation of MPEG-4 Motion Codec
Authors: Liu Yun Peng , Wang Ren Fang , Li Jin
Published: December 2012

Motion codec is the key technique of MPEG-4 VM. The motion encoding and decoding use “Unrestricted Motion Estimation”, “Advanced Prediction”, “Overlapped Motion Compensation”, in addition, the particular “Repetitive Padding”, and “Modified Block Matching “ are added for MPEG-4. At the same time, some questions during motion are explained carefully, and some new viewpoints are brought forward.
Data Aggregation Scheme for WSN with Privacy Protection
Authors: Zhong Zhi Chu , Guo Jiang Hong , Zhang Hai Feng
Published: December 2012

Data aggregation is an important method to reduce redundant transmissions in wireless sensor networks (WSNs). Authors proposed a secure data aggregation scheme for WSNs based on one-way function. The aggregators completed data aggregation, identity authentication and integrity checking without decrypting the cipher-text and ensured the privacy of transmitted data. Compared with related scheme, the proposed scheme has higher security in terms of resilient against active attack, node compromise attack and reduces the energy consumption effectively.
Direction Based Project Developing for Building Web-Services
Authors: Liu Ying
Published: December 2012

Software direction have been with us in many forms within Project developing community such as logic, experiences, domain expertise, laws, project developing principles, rules, design innovative thinking, conception, experimental results, programming rules, experience, observations, skills, algorithms have played major role in software development. This paper presents a new rule known as Direction Based Project developing where the aim is to learn from well known experience and filing newly developed and successful experience as a logic based when building software systems across the life cycle.
A Vague Words Retrieval Method in a Relational Database
Authors: Wang Rui , Gu Ping , Zeng Jian Min
Published: December 2012

In this paper, we propose a vague words retrieval method over text field of relational databases. This method is expected to get an ideal retrieval result from text field of relational databases when a set of incorrect keywords is submitted. The solution to this issue is: to create a “hot words library”, then let the input incorrect keywords match with the word of “hot words library”, based on the modified dynamic programming algorithm of k-difference approximate string matching. Finally, Experiments show that this solution has a good query performance.
The Research of CR-Based Underwater Wireless Network
Authors: Peng Yi , Long Hua , Shao Yu Bing
Published: December 2012

Underwater wireless network (UWN) has been considered as one of the very important technologies for underwater communication, which widely used in scientific research, environmental survey, commercial, military domains, etc. But underwater environmental is complex, water is a worse communication medium than the air, and time-varying in nature. Thus, it is necessary to explore higher communication and network intelligence such as cognitive radio (CR) in UWA. In this paper, a novel environment-adaptive CR-based UWA is proposed. Furthermore, the design of network architecture, cognitive system processing cycle and model of node module are described and discussed.
Deterministic Bounds on Performance of Self-Similar Network Based on ETS
Authors: Chai Ming , Gu Ping , Cui Yue Ping
Published: December 2012

According to the traffic regulating method and the traffic scheduling method of QoS control methods, this paper regulates traffic using the fractal regulator and proposes the arrival curve according to the output envelope of the fractal regulator. In addition, we put forward the service curve based on Enhanced Transmission Selection (ETS). Finally, we drive the deterministic bounds on performance of the self-similar network using the arrival curve and the service curve based on network calculus. These bounds have reference value for QoS guarantee, admission control and network planning.
The Design and Realization of Real-Time Three-Dimensional Visualization System for Industrial Computed Tomography Based on GPU
Authors: Wang Qian Li , Fu Jian , Tan Ren Bo , Chen Li Yuan
Published: December 2012

Industrial computed tomography (ICT) is an advanced non-contact non-destructive testing technique and plays a key role in many fields. Low imaging efficiency is one of the drawbacks of ICT towards engineering applications. In this paper, we report the design and realization of real-time three-dimensional Visualization System for ICT based on visualization toolkit (VTK) and the graphics processing unit (GPU) technique. It greatly improves the imaging speed by developing the new techniques in three aspects such as image reconstruction, data compression and fast volume rendering with GPU and VTK. It will find applications in three-dimensional ICT systems.
The Implementation and Application of Information Management System of Commercial Vehicle Technical Performance Database Based on J2EE
Authors: Dong Guo Liang , Liu Fu Jia , Zhang Xue Li
Published: December 2012

The article introduces implementation and application of management software of commercial vehicle’s technical performance database. This system orients to 4 types of user (commercial vehicles management departments, test stations of multiple performance, vehicle repair enterprises, and vehicle transportation enterprises). The system has imported many thousands of records and realized 3 provinces of technical conditions database’s interconnection and also has been applied in the 3 provinces for months. Vehicle model database can solve the problems which troubles test stations and repair enterprises for many years. The system can raise safety of vehicles and reduce the probability of occurrence of traffic accidents.
An Image Compression Algorithm Based on Multilevel B-Spline
Authors: Wei Yi , Liu Yan Cheng , Wang Chang Zhi , Lv Hai Ping
Published: December 2012

Image compression is a common operation in the digital image processing. In order to get high compression rate while prevent blurred edges, an image compression algorithm based on multilevel B-Spline is proposed. Firstly, image plane is seen as the parameter domain of B-Spline and gray values are seen as value of B-Spline. Then, gray values are approximated by B-Spline iterately and at each iteration control points are double dense of the former iteration. The error criterion used is an absolute one and different tolerances are used for edge points and common points, which make edges still clear in the compressed image. Experiments demonstrate that the algorithm presented guarantees that gray value loss at each pixel is less than a preset tolerance while the edge feature of original image is preserved perfectly.
Estimating Weights of Evaluation Factors on Basis of Monte Carlo Simulation
Authors: Tian Yan Fei , Huang Li Wen
Published: December 2012

Although the value of factor weight in an evaluation work is deterministic, the solving process is random, so connection between weight solution with digital characteristics or distribution functions of specific random variables or random process could be build. Using stochastic simulation method to get a lot of random solutions to the problem, expectation of the random solutions can be used as a estimation solution. On basis of idea of Monte Carlo simulation, this paper analyzed the probability process of calculating factor weight, and provided the procedures of estimating factor weight by means of Monte Carlo simulation. Through discussion and example in this paper, feasibility and validity of this method were proved, which may make foreshadowing for follow-up research work.
The Strategic Interaction on Endogenous Infinite Lattice and the Simulation
Authors: Chen Chun Rui , Gao Hong Wei , Wang Gui Rong , Li Kang , Hu Ping , Wang Kun
Published: December 2012

Abstract. This paper considers strategic interaction model based on the endogenous infinite lattice. We studied how the relationship between the cost of link formation and the payoff influenced the equilibrium structure. The main contribution is putting the endogenous network and the strategic interaction on the endogenous infinite lattice together, and giving the equilibrium structure with different parameters. The equilibrium structure has already been tested by the simulation system.
Artificial Neural Network for 4D Reservoir Modeling System Design
Authors: Zhang Liu Mei , Liu Tian Shi , Pan Shao Wei
Published: December 2012

In quantitative geological modeling with an artificial neural network approach, time information can be considered as input variable to better describe dynamic evolution patterns of reservoir parameters. Such approach requires independent programming to implements 4D reservoir modeling systems and thus introduces a new research area with great development potential. This paper is dedicated to implement a 4D reservoir modeling system by neural network. It explains the development process with detailed activities vary from determine the execution process and organization structure at one extreme to determine the sequence diagram at the other extreme. Between two extremes besides analyzing essential object class functions, UML modeling language has been used to define the use case model, static structure model and dynamic behavior model. It has practical meaning for further development of eastern oil field in China.
Raceway Definition Using Digital Image Processing Technology in Blast Furnace Model
Authors: Sun Ye , Chen Ren , Wu Guo Xi , Sun Li Na , Han Li Hao
Published: December 2012

Definition of raceway shape and size has always been a challenging task. The whole physical parameters field can be used to describe the raceway boundary precisely, but all of the physical parameter fields are obtained from numerical simulation so far and there isn’t a specific criterion to define the raceway boundary. In this study, a new digital image processing technology has been developed to define the raceway boundary in cold model of blast furnace. The particle velocity contour criterion of raceway boundary definition is 0.15 m/s in this study and the precise raceway boundary can be obtained through this method.
Synthesis and Characterization of Nano Cerium Oxide by Surfactant-Assisted Precipitation Method
Authors: Shang Jun Teng , Yang Min , Zhang Wan Long , Tan Cong , Han Dian Jun
Published: December 2012

Cerium oxide is an important material having been applied to a variety of commercial fields. Many methods such as precipitation, hydrothermal route and sol-gel techniques have been used to produce the nanocrystalline ceria. This study, based on the precipitation method, used ceric nitrate as cerium source, anionic surfactant (sodium dodecyl sulphate) as template, and urea as the precipitating agent to synthesize ceria. The effects of several factors, such as the molar ratio of reactants and reaction temperature on the morphology and crystal structure of ceria were investigated, which were determined by XRD and SEM methods. According to the results, 70°C is best experimental conditions and preferable molar ratio of chemicals mentioned above is 1:2:30 for single factor experiment.
Exploration of Parameter Factor in the RSSI Model
Authors: Cao Zhi Chao , Li De Wei
Published: December 2012

In order to increasing accuracy of the RSSI model and reduce error of parameter factors, the paper analyses and optimizes empirical models through the experimental calculation. It simply fits and compares different regression analysis of the RSSI model firstly, and then explores the rule of environmental factor n and shadowing factor η of RSSI experience model with average error respectively, based on the objective of the experimental data. Using the rule and experimental data, it can optimize RSSI model and improve precision. Empirical results show that optimization theory demonstrates variation tendency of environmental factor n, shadowing factor η with distance, signal intensity in the optimization of RSSI model. The contradiction between errors and parameter factors can be solved effectively by the function-based RSSI model throughout simple measures.
Automatic Automotive Panel Drawing Direction Algorithm Based on Genetic Algorithm
Authors: Kang Yong Ming , Wang Xing , Liu Rui Jun , Wang Yan Guo
Published: December 2012

The right panel drawing direction is an important prerequisite for generating qualified parts, an important step before the panel forming simulation is to determine the reasonable direction of the drawing. Manually adjust parts in order to overcome rely on experience, the drawbacks to the drawing direction, the direction of the drawing punch and forming the contact area of the sheet as the goal of automatic determination algorithm. Objective function of the direction of the drawing for the variable contact area in the drawing direction of the feasible region, the use of heritage algorithms to optimize the objective function of the contact area and, ultimately feasible within the contact area corresponding to the drawing direction, that is the best drawing direction. The measured results show that the direction of the drawing based on genetic algorithm, the automatic algorithm can fast and accurate to obtain the optimal direction of drawing.
Design of RFID Reader Based on Protocol of ISO/IEC 14443 TYPE A
Authors: Wang Lu , Wen Wu Song
Published: December 2012

The technology of RFID is used extensively in access control for office buildings, payment systems for public transport, and other applications. In this paper, using the Texas Instruments semiconductor chip of TRF7960 and the single-chip microcomputer of PIC16F877, a new design scheme of RFID reader is proposed, which conforms to ISO/IEC 14443 TYPE A standard. And the methods of anti-collision, three pass authentication, coding and decoding are discussed in detail. Test results present that this reader has high accuracy ratio, can identify the contactless smart cards in about ten centimeters, and it supports multiple card identification well.
Entropy Based Attribute Reduction Algorithms for Rough Sets
Authors: Yan Hua
Published: December 2012

This paper presented a concept of knowledge entropy, and according to this concept the importance of attribute was defined. Algorithms for attribute reduction in rough sets based on concept of knowledge entropy was given, and an example analysis was done in this paper. For the example, the calculation result is coincident with the result calculated by using the traditional method of attribute reduction in rough set theory.
Study on Forest Growth Predicting by Using MODIS-NDVI Time Series
Authors: Sun Yan , Zhang Qiu Wen , Liao Wei
Published: December 2012

In this paper, the southwest forest area of China is chosen for the study area. This paper uses the first and second channel of MODIS L1B data which is been preprocessed as scaling, geometry correction and so on, for computing NDVI. The pretreatments are aimed at removing the effects from atmosphere, sensor and so on. Then we build NDVI time series for years based on MVC arithmetic. After that we build polynomial forest growth predicting model and Gauss-Newton forest growth predicting model for predicting the forest growth of study area. Meanwhile, this paper experiments the two models with real data for predicting the forest growth of the study area. The result shows that using MODIS-NDVI time series and mathematical method to build predicting models of forest growth is feasible.
A Local Radial Point Interpolation Method for Two-Dimensional Schrödinger Equation
Authors: Zhai Wei Gang , Cai Xing Hui , Lu Jiang Ren , Sun Xin Li
Published: December 2012

A local radial point interpolation method is employed to the simulation of the time dependent Schrödinger equation with arbitrary potential function. Local weak form of the time dependent Schrödinger equation is obtained and radial point interpolation shape functions are applied in the space discretization. Computations are carried out for an example of time dependent Schrödinger equation having analytical solutions. Numerical results agreed with analytical solutions very well.
Mine Water Irruption Flooding Spread Route Generation Algorithm Based on Directed Graph
Authors: Fu Hui , Mao Shan Jun , Luo Yun Xiu
Published: December 2012

In view of roadway complex spatial relationships, the lack of visual expression in the mine water prevention and control work, this paper gives the water irruption flooding spread generation algorithm. Based on building tree topology from water inrush starting point extension and simulating of water down to spread and water level to rise, the algorithm generates flooding route and establishes water inrush 3D simulation system. It provides scientific basis for developing disaster relief route optimization and emergency rescue decision-making.
EIT Image Processing Based on 2-D Empirical Mode Decomposition
Authors: He Qing , Chen Xiao Yan
Published: December 2012

Electrical impedance tomography (EIT) imaging is a new kind of imaging technology that has developed in recent years. This technology has many advantages such as noninvasive, small volume and so on, but there are also many shortcomings such as imaging quality is not high, in order to improve the image quality, image processing methods is used in this paper. Significant different with the traditional method, empirical mode decomposition method does not require any prior basis function. It is an adaptive time-frequency analysis method. The two-dimensional empirical mode decomposition algorithm is adopted to process EIT images in this paper, and the compactly supported radial basis function interpolation algorithm is used for the post-processing of three organic glass rod EIT imaging. The image is decomposed into six IMFs in the experiment, some IMFs contain useful information, and the rest of them contains a lot of noise. The experimental results show that this method can significantly improve the EIT image quality.
A Novel Vision Based Inspector with Light
Authors: Liu Huan Jun
Published: December 2012

This paper presents an novel vision based inspector with light to inspect the liquid in bottle. The inspector is designed to capture sequence images of the rotating liquid in the bottle. And the impurities in liquid are inspected by dynamic analysis. The difference method for fusion images is put forward to detect the motion regions in sequence images. In order to detect motion regions precisely, this paper employs a novel segmentation algorithm base on unsupervised learning. This algorithm combines the fuzzy C-means method with fuzzy support vector machines, and can subdivide the image into the impurities and background efficiently. The experiments demonstrate the inspection precision of the liquid inspection system is about 96.4%.
Design and Implementation of Campus 3D Virtual Walkthrough System - Take Hunan Science and Technology University as an Example
Authors: Xia San Ao
Published: December 2012

Along with the rapid development of computer and network technology, the current of digitization has become inevitable trend of global economic development, and digital city has gradually aroused people's attention in recent years. In the application of urban simulation, people can have an immersion omnibearing walkthrough with the method of dynamic interaction in a virtual 3D environment. Without ever leaving home, you can appreciate the scenery of a strange city. This paper has researched key technology of scene simulation on visual reality, and implementd the scene simulation system based on visual environment of Hunan Science and Technology University. With the practice and test, the constructed campus simulation system in the paper has operated smoothly, and users can achieve the visual walkthrough on campus.
Home Leisure Seat Design Based on Leisure Behavior
Authors: Zhang Lu Fang , Fan Chen Xi
Published: December 2012

This paper presents the influence of leisure behavior and sitting posture to the design of home seat. With the help of questionnaire and interview, we explored the users' preferences of home leisure behaviors, their function requirements and usage of home leisure seats. Through research of the users’ sitting postures of different leisure behavior and comfort of different sitting posture, our study shows function requirements and sitting posture differences exist according to different favor of home leisure behaviors. Some suggestions are given for home leisure seat design, considering the differences of home leisure behaviors.
Analyzing Usability of Cookers Interface Based on the User Mental Model
Authors: Zhang Lu Fang , Xu Kai , Zhang Jin Song
Published: December 2012

Smart rice cooker’s interface becomes more complexity for its multi-function and some troubles are arisen with its poor user experience. To research users’ usability evaluation on the interface of smart rice cooker, a case study was conducted on user mental model. Some suggestions are given on how to improve the usability of the interface from the mental model map of the users’ evaluation elements and their relationship.
Research on Electrospinning Process of Pullulan Nanofibers
Authors: Sun Xiao Bin , Jia D. , Kang Wei Min , Cheng Bo Wen , Li Ya Bin
Published: December 2012

A kind of pullulan biopolymer nanofibers with diameter of 100～700nm were obtained using redistilled water as solvent through electrospinning technology in this paper. The effects of the spinning solution concentration, applied voltage, flow rate and capillary–screen distance on morphology and diameter distribution of pullulan nanofiber were studied by SEM. The results show that, different parameters had great influence on nanofibers’ morphology and diameter. The optimal parameters of pullulan nanofibers electrospinning were: 22wt.% spinning solution concentration, 31 kV voltage, 20 cm capillary–screen distance and 0.5ml/h flow rate.
The Strategy Research of the Technology Innovation and Consumption of the Experience under the Electronic-Economic Business Affairs - Enlightenment of the Development of Fuji and Kodak
Authors: He Hui
Published: December 2012

Strategic transformation of the enterprise means system changes, with the upgrade management as the foundation, the capital management as the means, to cultural transformation as the core, to promote industrial upgrading to the strategic target, the improvement of the quality of the staff overall for security can be achieved by traditional enterprise to accord with the new economic development requirements and industry development trend of modern enterprises to change. This paper, analysis the kodak and Fuji development process,propose the enterprise strategy of the economic technology innovation and consumption of the experience under the Electronic-economic business affairs.
Exploration and Practice of Engineering Mechanics Three-Dimensional Teaching Mode Based on the Training of Innovative Talent
Authors: Wang Yan Xia
Published: December 2012

Engineering mechanics is the study of relevant materials and its application in the motion law of the macro science. The project puts forward questions to mechanics, and the mechanics research results improve the engineering design thought. The main teaching purpose of mechanics course is to cultivate students' scientific thinking methods, and training students' innovation ability in scientific research and engineering application. In order to keep up with the trend of the times, we propose new ideas of three-dimensional teaching model in the engineering mechanics teaching via exploring actively the reforms of the teaching content and teaching method.
The Research of the Training Model of Engineering Application Talents
Authors: Xu Da Qi , Cai Shu Kai
Published: December 2012

The development of economic society and the progress of technology call for a large number of engineering application talents. Allowing for the current situation of the training of engineering application talents, the thesis has made an analysis of the social factors and training process factors, brought forth foci of improving the training quality of engineering application talents, and the training model of engineering application talents. In addition, internal logic relationship between all the factors about the training of talents has been explored, which is beneficial to the reform of personnel training pattern in local engineering colleges, in training high quality engineering application talents to meet the demands of society.
The Construction and Innovation of Harmonious Culture for College Dormitory
Authors: Xiao Xin Qiao
Published: December 2012

In colleges, dormitories are the most important places for students to study, live, and grow up, which leads to the necessity of constructing a harmonious dormitory culture. To achieve this goal, we develop strategies involving conception, system, and approach innovations in this paper. By applying them under the principle ‘people foremost’, we hope to optimize the college dormitory culture to play a role in shaping character, cultivating sentiments, and exercising quality for college students.
Quality Information Management of Inventory Assets Based on Equipment Defect Archives
Authors: Duan Pin , Pang Lei , Jin Yong , Guo Qi
Published: December 2012

The equipment is a focus of the military enterprise asset management as the floating assets. There are contradictions between the equipment quality supervision and the modern weapons and equipment development. This paper proposes the solution to establish the information management for equipment quality. Then discusses the projection of information management, and elaborates the system framework and the function which the information management system needs to have. Lastly, taking computer technology as a platform and equipment defect archives as a database, establishes the information management system with auxiliary decision-making function. The text truly realizes the informationization management and the intelligent judgment and pointes out the more effective methods for quality management of inventory assets.
Neuro-Industrial Engineering: Research and Practice
Authors: Zhou Xiao Hong , Wang Liang , Hu Yi Cheng
Published: December 2012

With the development of science and technology, traditional Industrial Engineering (IE) gradually intersects with newly established Cognitive Neuroscience, Neuro-IE appears as a result. Means of Cognitive Neuroscience and Physiopsychology are mainly adopted in Neuro-IE and a great deal of research is done in many areas of production management and safety production, design of man-machine system and mentality, etc. Relevant results will show people a deep understanding of men’s decision-making and brain function and bring IE into Neuroscience, which plays an important role in scene design, production design, safety production et al.
A Study on Benign Construction of PETOE through Joint Training Model of University-Enterprise Cooperation
Authors: Shen Yu Zhe , Wang Cheng Jun , Zhang Rui
Published: December 2012

Joint training model of university-enterprise cooperation is an important platform for realizing the smooth application of a plan for educating and training outstanding engineers (PETOE). This paper analyzes the current situation of PETOE and makes clear principles in the joint training model of university-enterprise cooperation. By discussing construction of simultaneous practice-study theory, training system in practice and perfection of new training mechanism of university-enterprise cooperation, a benign and long-term joint training model of university-enterprise cooperation could be established and quality in training mechanical engineering talents could be improved.
Elementary Analysis on Construction of Assessment Index System of Cleaner Production of Cheese Dyeing Enterprises
Authors: Li Zheng , Luo Ding Gui
Published: December 2012

The concrete assessment index of cheese dyeing enterprises’ cleaner production is filtered out by the classic Delphi method (Delphi) of expert evaluation. According to the characteristic of Analytic Hierarchy Process (AHP),we have identified the different levels. Finally, assessment index system was established and the weight of each index and standard value were also determined. The cleaner production level can be evaluated eventually more intuitively. So it can provide the technical support and guidance for cleaner production assessment of Cheese Dyeing Enterprises and realize a sustainable development of this kind of enterprises.
Survey on Technology of the Smart Grid
Authors: Ma You Jie , Deng Da Long , Zhou Xue Song
Published: December 2012

The discussion of the paper will focus on the Smart Grid, mainly elaborate the fundamental concept, staple characteristic and the pivotal technology of the Smart Grid. The main method to discuss it is to do the research on the key techniques of the Smart Grid which consist of the advanced measurement system、the advanced power electronic equipments and the access to the renewable energy and the distributed energy, In addition, the paper introduce the development of the domestic and the abroad including the American 、European and China. As a result I put forward to the opportunities and challenges that the smart grid will face. I draw the conclusion that the utilization of the renewable energy will absolutely be a hot issue in the future and the smart grid will bring radical changes for human beings’ life.
The Study of MTA Production Model and Production Processes
Authors: Xu Xin Wei , Fang Le , Zhu Xian Li
Published: December 2012

MTA ( the availability of production ) is a new production model proposed by Dr. Goldratt . This paper which is based on fuzzy theory and inventory cost theory is to study the strategy of dynamic adjustment of buffer stock by means of establishing membership function of the real stock and the consumption model which is based on membership. Enterprise have to adjust the buffer stock immediately when the membership of the real stock which worked out from the model is higher or lower than a particular numerical and then enterprise can get the products production processes.
The Contribution Analysis of Science and Technology Service Industry of Shenyang to Manufacturing Industry - Based on Clustering Analysis on Direct Consumption Coefficient
Authors: Lu Qi , Zhang Zhan , Liu Jun Peng
Published: December 2012

Based on the direct consumption coefficient, using the clustering analysis technology, our studies have showed that the contribution of science and Technology Service Industry to six industrial categories of the smelting and mangling process of ferrous metal six industrial categories was lower. The contribution to four industry categories of electrical machinery and equipment manufacturing industry focused on the scientific and technological exchanges and promotion services; while the contribution of technology services to the petroleum processing, coking and nuclear fuel processing industry is not enough, its distribution is more balanced and reasonable. The contribution to the fabricated metal products industry is focused on scientific and technological exchanges and promotion. The contribution of general equipment manufacturing industry is focused on the development of researches and experiments and professional and technical service.
Countermeasure Research about Cost Control of Automatic Lathe Tool Changing System
Authors: Li Li Jun , Sun Wei , Huang Shao Xiong , Jiang Yu , Bai Wei Tao
Published: December 2012

For automatic lathe tool changing system being widely used in mechanical manufacturing enterprises, this article analyses the life distribution and fault probability of tools. Considering a complete service life circle of the tool, and taking minimum expectation of average cost for producing qualified components as evaluation indicator, the most reasonable tool changing strategy is put forward to reduce production cost in this paper.
Effects of Braiding Parameters on Radial Compressive Property of Intraluminal Stents
Authors: Sui Wen Long , Jiang Jin Hua , Chen Nan Liang
Published: December 2012

In textile techniques, woven, knitted, non-woven and braiding techniques all can be used to weave tubular fabrics as intraluminal stents. The radial force is the most basic mechanical property of intraluminal stent. In this study, the influence of braiding parameters such as braided materials, diameter of stents and gear ratio on the radial compressive property of braided stents were studied.
Preparation and Adsorption Performance of Cu (II)-Imprinted ALG-CTS Complex Microspheres
Authors: Zhang Wei Ying , Chen Dan , Li Xiao , Ying Xiao Guang
Published: December 2012

We prepared alginate-chitosan (ALG-CTS) complexes through ionic interaction, and then obtained Cu (II)-imprinted alginate-chitosan complex microspheres (Cu-ALG-CTS) by coupling with ionic imprinting technology. To investigate the effects of experimental conditions on adsorption behavior, we performed a series of experiments including changing the initial concentration of Cu (II) ions and adsorption time. We found that the adsorption capacity increases with the initial concentration of Cu (II) ions. The Cu (II) ions adsorption reaches the maximum of 70.54mg/g after adsorbing for 13h when the initial concentration of Cu (II) ions is 60μg/ml. Cu-ALG-CTS shows much higher adsorption for Cu (II) ions than Zn (II) ions. And the adsorption kinetics and equilibrium adsorption isotherm were further studied.
Design, Synthesis and Photophysical Properties of Novel Tetrahedral Carbazole-Bridged Silanes with Benzimidazole Groups
Authors: Ma Qing Yu , Guan Rui Fang , Li Guo Zhong , Wang Deng Xu
Published: December 2012

Two novel luminescent molecules based on tetrahedral silicon core with the carbazole and benzimidazole groups, bis(6-(1H-benzo[d]imidazol-1-yl)-9-ethyl-9H-carbazol-3-yl)dimethylsilane (1) and bis(6-(1H-benzo[d]imidazol-1-yl)-9-ethyl-9H-carbazol-3-yl)diphenylsilane (2), were designed, synthesized and fully characterized by IR, 1H NMR, 13C NMR and elemental analysis. Thermal results show that these compounds have high thermal stability and glass-transition temperature (Tg). The results based on the photophysical properties and molecular calculations reveal that they are fluorescent with emission in the region of violet to blue and own large HOMO-LUMO band gaps, making them potentials as blue emitters, host materials or charge blocking materials in organic light-emitting diodes (OLEDs) display.
Experimental Investigation of Microbial Paraffin Removal Technology
Authors: Liu Jiang Hong , Jia Yun Peng , Xu Rui Dan , Chen Yi Tong
Published: December 2012

By separation and purification experiment, microorganisms were obtained. The paraffin removal strain was named for SW-1. Microscopic and morphological examinations showed strain SW-1 was to be Bacillus Cereus. After strain SW-1 treatment, the number of strain SW-1 increased from 2.7×106/mL-1to 3.5×108/mL-1, which increased by two orders of magnitude; the degradation rate of paraffin could reach to 64% within one month; the prevention rate of paraffin could reach to 43%; the viscosity of crude oil reduced from 35.9mPa•s to 26.8mPa•s, the reduction rate of viscosity was 25.3%, and the freezing point of crude oil reduced by 4.3°C; surface tension reduced from 44.5mN•m-1to 29.1mN•m-1, the reduction rate of surface tension was 34.6%, and pH value was reduced to 6.3. These phenomenon indicated that strain SW-1 has better removal paraffins effect.
Improvement of Wear Resistances of AISI 316L Austenitic Stainless Steels by Anodic Nitriding
Authors: Li Yang , Wang Liang , Xu Jiu Jun , Shan Ying Chun
Published: December 2012

The nitriding of AISI 316L stainless steels has been carried out at anodic potential in a space enclosed by an active screen that consists of two cylinders with different diameter. These two cylinders made up a hollow cathode in a discharge system. Nitriding experiments were carried out on AISI 316L stainless steel at 450°C for times ranging from 1 to 24h in ammonia atmosphere. The intensity of electron bombardment on the surface of sample was low due to the anodic sheath, the disadvantages attached to conventional plasma nitriding were completely avoided. The phase composition, the thickness and the surface topography of the nitrided layer, as well as its hardness, were investigated by X-ray diffraction, scanning electron microscopy and a micro-hardness tester. The surface microhardness values and the thickness of the hardened layers increased as the nitriding time increased. Tribology properties of the untreated and nitrided 316L stainless steel have been investigated using a ball-on-disc tribometer with AISI52100 ball as the counterface. The results showed wear resistance of the AISI 316L stainless steels were greatly increased by anodic nitriding, owing to the strengthening effect of expanded austenite formed in the modified surface layer.
An Experimental Study on the Shear Strength of Steel Structures Joints
Authors: Morelli Piero
Published: December 2012

The results of an experimental investigation on the shear strength of structural joints are presented and discussed. Joint typologies generally employed in structural frames of industrial warehouses and intermediate floors are taken into consideration. Specimens were supplied by an industrial shelving manufacturer, in two different configurations: the first one characterized by steel pressed geometrical connectors and the second one consisting in bolted fittings to angular welded supporting plates. A specific testing device has been designed in order to transfer axial loading into shear loading applied to a couple of joints in a symmetrical testing configuration. Quasi-static loads were applied with increasingly intensity steps, until the yielding of the material or the overall structure collapse were reached. Failure modes of the tested joints are analyzed and discussed.
Load-Carrying Capacity of Cantilevers of Anti-Flood Barriers Made of FRP Composite Structural Profiles
Authors: Melcher Jindrich , Karmazínová Marcela
Published: December 2012

After the devastating floods in the Europe and Czech Republic especially, in 1997, 2002 and 2007 years, the need of the anti-flood protection was very actual and delicate. One of the ways, how to solve this problem in the case of usual or lower water level, is the usage of anti-flood barriers. The paper is focused on the experimental verification of the actual behaviour, load-carrying capacity and failure mechanisms of the cantilevers made of FRP composite profiles PREFEN, which are in reality used as columns of anti-flood barriers. The investigated water-proof profile of H-cross-section is composed of epoxy resin and glass fibres.
3-D Simulation of H-Beam Multi-Pass Hot Rolling and Microstructure Evolution
Authors: He Qing Qiang , Sun Jia , Zhao Jun You , Xu Li Jian , Li Cui Cui
Published: December 2012

In hot metal forming processes, the material is subjected to the thermo-mechanical processing. A fully three dimensional thermo-mechanically coupled FEM-simulation of an eleven pass hot rough rolling process of H-beam has been performed. Microstructure evolution equations available in literatures were incorporated into the commercial FE solver ABAQUS/Explicit, through user defined subroutine VUMAT, to simulate the microstructure evolution. Since it’s impractical to obtain the austenite grain size distribution in the beam blank during industrial hot rolling, the calculated rolling loads are compared with the mills loads instead of grain size comparison between the predicted average value and the real ones.
The Constitutive Relation of Total Strain Theory Based on the Simple Experimental Data by the Application of Titanium Alloy
Authors: Feng Xiao Jiu , Du Hong , Zhou Ping
Published: December 2012

The elastic-plasticity of the titanium alloy material has certain effect on the stability of the milling system. When the material is incompressible, the curve and the simple tensile curve are the same, and the material’s curve and the one-way shear’s curve are also the same. This may be called single curve theory. This paper is, under simple loading conditions, gets the data in the titanium alloy’s tensile experiment and torsion experiment. It studies the constitutive relation in the state of the multidimensional stress and the strain, by the material data obtained in the simple tensile experiment and torsion experiment according to the single curve theory. In the simple loading condition, it obtains the data of the titanium alloy’s tensile experiment and torsion experiment, and then gets the titanium alloy’s incremental constitutive relation, and by integration, it gets the constitutive relation of the titanium alloy’s total strain theory.
Tribological Behavior of Si3N4-hBN Ceramic Materials Sliding against Fe-B Alloy without Lubrication
Authors: Chen Wei , Gao Yi Min , Chen Jian Zhong
Published: December 2012

The tribological behavior of Si3N4-hBN composites sliding on Fe-B alloy without lubrication was investigated by using a pin-on-disc wear tester. The results showed that, the addition of hBN to Si3N4 could not effectively improve the tribological characteristics of Si3N4-hBN when it slid against Fe-B alloy. Without lubrication, the wear of Si3N4-hBN composites was resulted from cracking and fracture, while the hard phase Fe2B in Fe-B alloy spalled off during the friction test. So, high friction coefficients (>0.9) and high wear coefficients (>1×10-5mm3/Nm) were obtained.
Study on the Corrosion Resistance of High Boron Iron-Based Alloy
Authors: Qiu Ming Min , Wang Hao , Wu Xu , Tang Hong Qun , Su Guang Cai
Published: December 2012

Being compared with traditional wear resistant materials, the corrosion resistance of high boron iron-based alloy at 25°Cand at 60°Care researched respectively. The results show that the corrosion resistance of wear-resistant alloys decline at high temperature. At 25°C and at 60°C, though the corrosion resistance of high chromium cast iron is a little higher than that of high boron iron-based alloy in acid medium (PH=3), high boron iron-based alloy’s corrosion resistance is the best among these three materials in neutral medium (PH=7) and in alkaline medium (PH=12).
Study on Corrosion Behavior of Hot Extruded Mg-1Ca-0.5Mn Alloy in Sodium Chloride Water Solution
Authors: Ma Ying , Zhang Zhong Ming , Wang Ting , Guo Yang , Xu Chun Jie
Published: December 2012

The corrosion behavior of extruded Mg-1Ca-0.5Mn（weight percent）alloy in 0.9% sodium chloride water solution was investigated by using mass-loss measurement and electrochemical method. The results show that filiform corrosion and pitting corrosion occur during immersion corrosion process. The average corrosion rate gradually decreases as immersion time increases; it is 0.53 mm/a after immersion at 37°C for 11 days. The corrosion current density icorr and corrosion potential Ecorr of the alloy is 0.042 mA/cm2 and -1.60V, respectively. The instantaneous corrosion rate is 0.88 mm/a. Mg-1Ca-0.5Mn alloy erodes by continuous dissolution. The corrosion product Mg(OH)2 layer surrounding the magnesium alloy can decrease the corrosion rate. The erosion process of the magnesium alloy is controlled by cathodic diffusion.