Search results

Comparison of Two Modes in Engineering Drawing Teaching: Traditional Teaching and Multimedia NetworkTeaching Y.Tao Engineering academy, South China Agricultural University, Guangzhou, 510030,P.R.China tylptc@21cn.com Key words: Engineering drawing, Traditional teaching, Multimedia network teaching Abstract: In order to explore good teaching methods, the traditional teaching model and online teaching mode were compared and their own characteristics were analyzed.
Engineering drawing is a skill required of the basic course for engineering students.
Now, Let us compare the two modes of teaching materials, teaching methods, assessment modes, effects and other aspects.
Comparison of the two teaching materials.From the physical and psychological points, two types of materials were analyzed.
The monotony of traditional color materials, generally "black and white", are easy to make students feel bored and tired.

Biomimic Tubulose Scaffolds with Multilayer Prepared by Electrospinning for Tissue Engineering QI Hongxu1, a , KONG Deling 2,b , HU Ping*1,c , ZHANG Jun2 , LIN Weijie1 ,SONG Fei1 1 Institute of Polymer Science and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, China 2 The Key Laboratory of Bioactive Materials, Ministry of Education (Nankai University), Tianjin, China aqihx04@mails.tsinghua.edu.cn, b kongdeling@nankai.edu.cn, chspinghu@mail.tsinghua.edu.cn(corresponding author) Keywords: tissue engineering, electrospinning, biomimic scaffolds Abstract.
The PPC scaffolds may be useful in vascular tissue engineering if they were further modified chemically or with appropriate therapeutic molecules.
Generally, nature materials have better biocompatibility, and synthetic ones have better mechanical performance.
Experiment. 2.1 Materials Poly (propylene carbonate) (PPC) was purchased from Mengxi Hightech Co.
Like other synthetic materials, PPC fibers have good mechanical performance to support the scaffold.

Luffa Sponge as a Sustainable Engineering Material Jianhu Shen1, a, Yi Min Xie1,b, Xiaodong Huang1,c, Shiwei Zhou1,d and Dong Ruan2,e 1Centre for Innovative Structures and Materials, School of Civil, Environmental and Chemical Engineering, RMIT University, GPO Box 2476, Melbourne 3001, Australia 2Faculty of Engineering and Industrial Sciences, Swinburne University of Technology, John Street, Hawthorn, Victoria 3122, Australia ajianhu.shen@rmit.edu.au, bmike.xie@rmit.edu.au (corresponding author), chuang.xiaodong@rmit.edu.au, dshiwei.zhou@rmit, edruan@groupwise.swin.edu.au Keywords: Luffa sponge; mechanical properties; energy absorption; sustainability.
A comparative study shows that the luffa sponge material outperforms a variety of traditional engineering materials.
This special feature provides an opportunity to widen the applications of natural cellular materials in general and the luffa sponge in particular, especially when the light-weight is a key design requirement.
The results from the present study have clearly demonstrated that the luffa sponge has great potential to be used as an environmentally-friendly engineering material in various practical applications.
Lin, Biological materials: a materials science approach, J.

Gradually their applications spread into automotive, energy, civil engineering industries and medicine.
Titanium is used in shape memory alloys which are also used in civil engineering [7].
New technological solutions facilitate broad adoption of titanium materials.
In civil engineering applications related to roofs and building elevations, where it is expected that material has high formability and its strength is secondary factor, titanium Grade 2 is being used.
Among analyzed materials titanium Grade 2 sheets exhibit the highest formability and thus titanium Grade 2 can be recommended for surface components in architecture and civil engineering References [1] K.

Figure 1 shows the flow diagram of reverse engineering .
Applications of reverse engineering are: 1.
Journal of Materials Processing Technology. 36(4): 415-425
Reverse Engineering: Point Cloud Generation With CMM for Part Modeling and Error Analysis, ARPN Journal of Engineering and Applied Sciences. 3(4): 37-40, 2008
[5] Bardell, R., Balendran, V. & Sivayoganathan, K., 2003, Accuracy analysis of 3D data collection and free-form modeling methods, Journal of Materials Processing Technology, 133, pp. 26-33

Research on Biological Safety and Application of Nano-materials in Sports Engineering Yanyan Chen Sport Department, Xibei University, Xian, Shaannxi, China hongxin8me@163.com Keywords: Biological Safety, Sports Engineering, Application Abstract: Nano-materials have been widely used in sports stadiums, sports turf, athletics track, sports apparel, sports equipment and sports supplements.
Introduction Nano-materials are materials in the nanometer size range, is developed in the mid-eighties new material.
Currently, nano-materials have been widely used in engineering fields of sports stadiums, sports equipment, sports clothing, etc., to the sports world has brought many benefits.
The Application of Nano-materials in Sports Engineering Nano-materials is Used in Sports Stadiums.
Conclusions Nano-materials have been involved in sports among the full range of engineering fields and it enhances opportunities to the development of athletics and sports level.

Py-GC-MS Analysis on Extractives of Phyllostachys pubescens for Biomedical Engineering WU Feng-juan, PENG Wan-xia, ZHANG Zhong-feng, MA Qing-zhi School of Materials Science and Engineering, Central South University of Forestry and Technology, City Changsha, P.R.
China a correspondent authors’ e-mail: pengwanxi@163.com Key words: Health risk; Py-GC-MS; Extractives; Phyllostachys pubescens; Biomedical engineering Abstract.
Introduction Phyllostachys pubescens, which was a superior resources and industrial raw material forest, was used as the raw materials of furniture, doors, flooring, beams, and so on [1].
Materials and Methods Materials.
So the benzene-alcohol extractives of Phyllostachys pubescens could be used for biomedical engineering .

It is to strengthen design of tunnel water ecological implementation, including the optimization design of tunnel lining structure, lining the choice of waterproof materials, ecological environment protection under conditions of controlled drainage design.
Therefore, for the realization of the effective management tunnel water with ecological protection technology in arid and semi-arid regions, engineering of policy and regulation system of research methods and the tunnel technical route should be made; tunnel engineering management system innovation, system innovation, policy innovation are proposed; From three respects : the tunnel engineering design , tunnel construction and tunnel engineering management to build perfect law and policy system of tunnel engineering.
Acknowledgements The project by the Lan Zhou JiaoTong University of Environmental and municipal engineering and civil engineering college is responsible for the completion.
Thanks for civil engineering college in Lan Zhou JiaoTong University provides structural experiment center of Gansu Province Key Laboratory of the Ministry of railways, roads and bridges and Underground Engineering Key Laboratory, Lan Zhou JiaoTong University lab and other professional laboratory, for this project required subject intersection and concrete structure related research content to provide the solid technical equipment guarantee.
Chinese Journal of rock mechanics and engineering, Vol. 24(1) (2005), p. 121-127.

Sufficient oxidation stability of advanced carbon based materials is a key feature for their application in fusion, fission, aerospace and chemical engineering.
These materials were examined as part of the EU research projects ExtreMat and Raphael-ML.
One drawback of carbon based materials is however the limited oxidation stability of these materials, e.g. in presence of oxygen, steam or CO2.
Application of advanced carbon based materials is shown in the following Table I.
Additional modeling problems arise in mixed materials as e.g. fibre composites [6].

Research on the key technology of laser engraved image Shaoqing Zhang1, a, Dongmin Zhang1, b, Quanhua Feng1, c School of Mechanical Engineering, Shanghai Institute of Technology,Shanghai China aZhangshaoqing123@yeah.net, bdmzhang@sit.edu.cn, c946152050@163.com Keywords : Laser engraving, Image processing, Process parameters.
Fig. 3 Image gray preliminary processing (2)Image bitmap output: 300 pixels/inch, halftone screen frequency 96 lines per inch, angle: 45 °, shape: round; output image pixel is important, characteristics of different materials is not set the parameters according to different materials and the results that you want to be, go through several tests, summarized the appropriate settings.
Laser engraving technology The performance of different materials, carving scheme adopted will be different.
Engraving process parameters selection is the quality assurance of carving,there are many factors affect the quality of laser engraving, after repeated experiments, summarize the following points: (1) Materials Different materials absorb the energy different, lens together to the workpiece of laser energy can’t all be absorbed.Thickness of carving, carving directions, materials, texture and other factors are taken into account
Computer Engineering and Design ,2009, 29(23): 6041-6043