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Online since: June 2014
Authors: Xin Ping Hou
Energy-saving technology reform of existing buildings should mainly embody in three aspects: for one hand , is to improve the coefficient of external wall thermal insulation materials; for the other hand , it is to switch to energy saving doors and windows material, strengthen the tightness of doors and windows; and the third is actively studying roof energy saving technology.[3] According to incomplete statistics, so far, the Ningyang county of existing buildings energy-saving renovation measures mainly include: ž In 2007, the county planning area of the construction projects have been disabled solid clay bricks, using new wall materials ratio reached 71%.[4] ž Tai’an City people's government in the "twelfth five-year" Tai’an City heat metering reform and the existing building energy-saving renovation plan put forward by the year 2020 will be to the Ningyang county 2020 square meters in the reconstruction of a value of existing residential buildings
ž The Ningyang county of housing and urban-rural construction bureau of construction management division is responsible for building energy conservation, the wall materials innovation work, supervision and energy saving renovation of existing buildings.
Forum Vol. 83-87 (1992), p. 119 [2] Ni Li, LiangLi, Mingqiao Zhao, Tingting Wei: Narural science journal of Xiangtan university, Vol.31No.3(2009),P.104(In Chinese) [3] Weiwei Wang: Building Energy Efficiency, No.6(2010),P.50(In Chinese) [4] Information on http://www.taian.gov.cn/qy/qydt/201102/t20110224_299264.htm
Online since: May 2014
Authors: Xing Fa Zi, Rui Ming Liu, Qing Ye, Xin Zhu Shu
Structure and Optical Property of Cu2O:N Thin Film Deposited by Reactive Pulse Magnetron Sputtering Xingfa Zi 1,2,a, Ruiming Liu1,b, Qing Ye 1 and Xinzhu Shu1 1School of Physical and Electronic Science, Chuxiong Normal University, Chuxiong 675000, China 2Yunnan Normal University, Key Laboratory of Renewable Energy Materials Advanced Technology and Manufacturing of Ministry of Education, Kunming 650092, China aemail: zxf@cxtc.edu.cn, bemail: liuruiming@cxtc.edu.cn Keywords: Cu2O:N thin film; Pulse magnetron sputtering; Sputtering power; Optical absorption Abstract.
It has been regarded as one of the most promising materials for application in photovoltaic cells because of its high absorption coefficient, nontoxicity, and low-cost producibility.
Comparing with the direct band gap(Eg= 2.17 eV) of bulk Cu2O, the value of Eg of Cu2O:N thin film is slight greater than that of bulk Cu2O due to the quantum size effect of thin film material .The reported direct band gap values for Cu2O thin films range from 2.0 to 2.6 eV[1,8],the differences in the band-gap values is attributed to the different deposition techniques and deposition parameters. 4 Conclusion Cu2O:N thin films were deposited on glass substrate by reactive pulse magnetron sputtering method in a mixture of N2, O2 and Ar atmosphere.
Vol.28 - 015005 (2013), p.1-5 [2] Lung-Chien Chen, Chung-ChiehWang, and Suz-Wei Lu: Journal of Nanomaterials Vol.891365 (2013), p.1-6 [3] B.B.
Vol. 58-20303 (2012), p.1–4 [4] Claudia Malerba, Cristy Leonor Azanza Ricardo, Mirco D’Incau, Francesco Biccari,Paolo Scardi and Alberto Mittiga: Solar Energy Materials & Solar Cells Vol.105(2012), p.192–195 [5] Yuki Nishi, Toshihiro Miyata, and Tadatsugu Minami: J.
Online since: May 2011
Authors: Yong Tao Hao, Si Zhen Peng
The research work presented in this paper was supported by Natural Science Foundation of China (Grant Nos.E050604 / 51075306) At last, Based on model designed by feature and feature operator, an automatic product feature semantic Network construction system is proposed.
In STEP-AP224 (mechanical product definition for process planning using form features), machining features are defined as a type of manufacturing feature that identifies a volume of material to be removed to obtain the final geometry from the initial block.
Where parameter Profile | Surface is profile or surface which is used to stretch; Type shows whether this operation adds material or removes material, 1 means add, 0 means remove; Direction means stretch direction; Length means the height of the entity.
Fig. 4 Shaft (Profile, 1, Axis, Angle) Definition 3: Scan Operator Scan (Section, Trajectory, Material-side) Scan means stretch section along a certain trajectory to create feature, where Section is section that is used to scan; Trajectory is the curve that is used to guide the scan; Material-side means which side will add or remove material, 1 means inside, 0 means outside.
Zhu, Automated feature validation for creating/editing Feature-based component data models, International Journal of Production Research 36 (1998) 2479– 2495
Online since: December 2012
Authors: Yuan Yang, Xin Min Hao, Bin Xiang Huang, Lei Huang, Guo Jun Zhang
., Yunnan 666200, China 3 Shanghai JINYOU Fluorine Materials Co., Ltd., Shanghai 200137, China a xminhao@yahoo.com.cn, byangyuan16@sina.com chanwj@eptfe.com.cn d zhangguojun@yakgroup.com Keywords: drawing, polytetrailuoroethylene, split–film fiber, three-dimensional stretching Abstract.
Introduction High performance PTFE fiber materials are widely concerned about due to their excellent high and low temperature resistance, corrosion resistance, low coefficient of friction, electrical isolating, non-adherent, weather ability, flame-retardant(LOI,95%), self-lubricating properties, etc, and have been applied in environmental protection, filtering, buildings, industry, medicines, aerospace and other products.
The Quartermaster Research Institute of the General Logistics Department of the PLA and Shanghai JINYOU Fluorine Materials Co., Ltd. developed a three-dimensional stretch molding process and membrane fracturing method PTFE fiber production process.
In Chinese [5] Kitamura T, Okabe S, Tanigaki M, et al: Polym Eng Sci, Vol.40 (2000), p.809-816 [6]Xinmin Hao, Jianchun Zhang, Yuhai Guo and Weidong Zhang: Membrane science and Technology.
In Chinese [7] Xunming Ma, Yuhai Guo, Jianyong Chen and Fang Sun: journal of Textile Research.
Online since: December 2012
Authors: Kuan Hui Hu, De Xin Tian, Guan Wen Feng, Fang Yi Sun, Xiang Dong Liu
Experimental Materials and Methods The test steel is smelted in the vacuum induction furnace, and casted into ingots, chemical composition of the sheet (wt%) was C 0.18, Si 0.25, Mn 1.30, P 0.005, S <0.008, Als 0.030, B, 0.002.
Fig.1 Annealing process diagram The mechanical properties of the treated samples were tested in Italy the Cesare GALDABINI company GALDABINI SUN10 materials universal testing machine, the samples were processed into 80mm gauge non-proportional sample with the provisions of GB/T 228.
Journal Shandong University (Engineering Science), 2010,40 (3) :69-74 [2] Gu Zhengwei, Jiang Chao,Shan Zhongde, et al. hot forming process of ultra high strength steel plate stamping parts [J].
Automobile Technology & Material,2009,4:15 -17 [3] Jeanneau M,Piehant P.The trends of steel products in the European automotive industry.La Revue De metallurgies-CIT,November,2000,(1):l399~l408
[5] Everett C Oren.Automotive materials and Technologies for the 21st Century.39TH MWSP CONF.PROC:ISS,1998:639~643
Online since: January 2013
Authors: Chi Zhang, Ping Liu Xin, Yan Wu Hai, Hui Zhang Sheng
Experiment 1.1 Experimental materials and pretreatment Artemisia argyi rich in selenium is collected from Yu Tangba of Enshi, Hubei Province, while the normal Artemisia argyi is collected from the mountain behind Hubei Institute for Nationalities.
Seen from Figure 2, both Artemisia argyi and selenium Artemisia argyi in Artemisia argyi have clear role of scavenging O2-•, and from 60s-180s, the scavenging capacity and the amount the samples form a certain linear relationship, with the capacity enhancing with the increasing of the amount of materials.
Figure 2 shows polysaccharides and selenium polysaccharide of Artemisia argyi has a strong cavenging effect on • OH, and the scavenging capacity is proportional to the quantity of materials, and at the same conditions, selenium polysaccharide has stronger scavenging capacity than polysaccharide but less than the positive control Vc.
FOOD SCIENCE,2008,29(8):100-102 [3] Tao wang, Quan lei qiu, Yan-cang du.
JOURNAL OF SOUTHWEST FORESTRY COLLEGE,2011,31(1):31-33
Online since: December 2014
Authors: Guang Chun Li, Seon Yong Chung, Chun Xiang Piao, Katsuhiko Saido
Including food packaging and containers, molded packaging material and insulation in building structures [1,2].
Materials and Methods Chemicals.
Several forms of EPS, such as food containers, packaging materials and fishing implement, are discharged into the environment, and degraded to the styrene trimer, dimmer and monomer by heat and light [17].
Acknowledgements This work was supported by National Natural Science Foundation of China (project No. 51368061), Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2005-041-D00421).
Kettrup, Photocatalytic degradation of triazophos in aqueous titanium dioxide suspension: Identification of intermediates and degradation pathways, Journal of Hazardous Materials, , Vol. 146, No.1-2, p. 204-213, (2007) [19] Higashimura, T., M.
Online since: November 2007
Authors: Guo Xing Liang, Lin Ma, Yu Zhang, Ming Lv
The horn material is selected as 45# which basic parameters are: The velocity of longitude wave C =5.17× 6 10 mm/s; Density ρ=7.81 3 g cm−⋅ ; Elastic modulus E =20920 2 kg mm−⋅ .
Reinforcement is carried out using other material on the shaped electroforming part to avoid deformation.
Acknowledgment This project is supported by National Natural Science Foundation of China (No. 50475158).
Wise: International Journal of Machine Tools & Manufacture, Vol.38 (1998), pp.239-255
Xu: Key Engineering Materials, Vols.259-260 (2004), pp.10-13
Online since: February 2011
Authors: Yuan Sheng Qi, Xiao Hua Wang, Xiao Hua Wang
(a) on-off mechanism (b) equivalent on-off mechanism (c) three-dimensional on-off mechanism Figure 3 diagram of on-off mechanism In the ADAMS ware [4], every parts’ materials must be defined, for example, steel.
Journal of Kunming University of Science and Technology, 2007.4 [4]GUO Wei-dong .
Online since: February 2011
Authors: Bing Chen, Zheng Tian, Zhong Jun Yin
Analysis and Simulation on Dynamic Stress of Tracked Vehicle Sprocket Based on Rigid-flexible Coupling Bing Chen a, Zheng Tian b, Zhong Jun Yin c Mechanical Engineering School of University of Science & Technology of Beijing, Beijing 100083, China abingchen9803@ustb.edu.cn, balso_ran@163.com, cyinzhongjun@ustb.edu.cn Keywords: Tracked Vehicle; Sprocket Gear Ring; Rigid-Flexible Coupling; Dynamic Stress Abstract: This paper established a high-speed tracked vehicle dynamics model, and simulated the transient response of sprocket when the vehicle is running at 60km/h on the D class road. the finite element model of the single tooth in mesh is established in Ansys and the rigid-flexible coupling model of "trackboard- sprocket" is established in RecurDyn.
Fig.3 3-D FEM of sprocket gear ring Fig.4 Stress nephogram of sprocket gear ring under the maximum external load Results of Finite Element Analysis The stress-strain nephogram of sprocket gear ring underthe maximum external load is shownin fig.4.From the figure we can see that the maximum stress is 60.9MPa on the root of the side of tensioned gear tooth, the stress of other parts is small ,of which the maximum is far smaller than the yield strength of gear ring material .
Rigid-flexible Coupling Model The .cdb file which contains unit property and material property is input into RecurDyn.
References: [1] Dangxiang Yi, Guozhi Lv, Yingqiang Xu: Journal of Northwestern Polytechnical University, Vol.24(2006),P. 321-325 .