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Online since: December 2010
Authors: Xiao Lei Han, Xiao Chun Lao
World Earthquake Engineering Vol. 25 (2009), p. 1.
Journal of Earthquake Engineering and Engineering Vibration Vol. 29 (2009), p. 103.
World Earthquake Engineering Vol. 22 (2006), p. 131.
World Earthquake Engineering Vol. 24 (2008), p. 14.
China Civil Engineering Journal Vol. 15 (1982), p. 53.
Online since: October 2011
Authors: Jia Ping Liu, Hui Cheng, Da Long Liu, Fang Wei Tang, Yun Gang An
Measures for improvements For the abovementioned environmental defects, wood and bamboos can be used as the main materials for the enclosing structure, since these materials are abundant, light weight and good flexibility; meanwhile, mud can be applied onto the wall to enhance the thermal-insulating and sound-insulating effect of the rooms.
The key reason is that insulation measures are applied on the wall mainly, but not on the roof.
Atlanta: American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc.1992 [5] Tsinghua University Building Energy Research Center. 2008 Annual Report on China Building Energy Efficiency.
Online since: November 2015
Authors: Radmilo Nikolić, Aleksandra Fedajev, Goran Stojanović, Dejan Riznić
The processes of globalization and radical technological changes have created a new reality in which innovation is one of the key elements of the competitive advantage of enterprises and national economies.
In it, placed and appropriately deployed, are all the resources, all the material and human elements of the organization and through mainly their individual and group guidance towards achieving the goals of the organization is performed.
The importance of innovation for the survival of the machine industry companies Due to the many changes in the environment, which are more frequent and more complex, the organization must be flexible in order to adapt to them and must encourage and develop their innovation, because creativity and innovation are key skills for any organization.
It is a necessity to understand that the importance of innovation and re-engineering of processes, innovative strategies and organization actions in this field, as well as creating new markets or new product is the most effective way of competing in mature markets and it is one of the preconditions for achieving competitive advantage and survival in a dynamic market.
Dašić Characteristics of traditional and contemporary models of organizational structures. in: Proceedings of the 7th International Conference Quality, Management, Environment, Education, Engineering, Tivat, Montenegro, Podgorica ,Montenegro, 2012: pp. 333-340
Online since: July 2011
Authors: Zhao Dong Zhang, Xiang Yu Kong
Study on DC double pulse MIG welding of automobile aluminum alloy Zhaodong Zhang 1, a, Xiangyu Kong 1,b 1 Key Laboratory of Liaoning Advanced Welding and Joining Technology, School of Materials Science and Engineering, Dalian University of Technology, Dalian,116024, China.
Therefore, a need for weight reduction has emerged and this in turn has led to the increased application of lightweight materials, such as aluminum and polymer composites.
Tensile specimens with the gauge length of 50mm and the gauge width of 26mm (GB2651-81) are evaluated by a material test system (DNS) at the load rate of 2 mm/s.
Hao, Low-power laser/TIG hybrid welding process of magnesium alloy with filler wire, Materials and Manufacturing Processes. 25 (2010) 1213-1218
He, The CMT short-circuiting metal transfer process and its use in thin aluminum sheets welding, Materials and Design. 30 (2009) 1850–1852
Online since: December 2011
Authors: Cheng Lei Wang, Yuan Gao, Gen Tao Bu
Research on Corrosion Resistance of Titanizing and Nitriding on Carbon Steel in H2SO4 solution Gentao Bu 1,a, Yuan Gao 1,b, Chenglei Wang 1,c 1School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, Guangxi, China, 541004, www.guet.edu.cn aclw0919@163.com, b gaoyan50@126.com,c 13978375394@163.com Key words: Titanizing; Plasma nitrided; Corrosion resistance; Polarization curve Abstract: Q195 steel was treated with titanizing followed plasma nitriding by glow plasma alloying technology using single pulse power supply.
Introduction Corrosion problems of material have always been a research hotspot [1].
Corrosion resistance of material surface can be increased by surface modification technology [2].
It has some reference significance to selection of the working layer materials in acid environment containing SO42-.
In the case of polarization measurement, corrosion current obtained from the polarization curve was used to evaluate the corrosion resistance of materials.
Online since: July 2013
Authors: Zhe Liu, Xian Li, Fei Heng Yue, Lu Feng, Jin Hui Cai, Xu Sheng Kang, Ping Jie Huang
Research of Beta-Endosulfan Based on THz Time-Domain Spectroscopy Zhe Liu1,a, Xian Li1,b, Feiheng Yue1,c, Lu Feng1,d, Jinhui Cai2,e, Xusheng Kang1,f and Pingjie Huang1,*g 1State Key Laboratory of Industrial Control Technology / Department of Control Science and Engineering, Zhejiang University, Hangzhou, China 2China Jiliang University, Hangzhou, China alegend_liuz@yahoo.com.cn, bl_x_j_y@126.com,cyfhycg@gmail.com, dfenglu_0612@163.com, ecai_jh1974@yahoo.com.cn, fkangxusheng@yahoo.com.cn, *ghuangpingjie@zju.edu.cn *Corresponding Author Keywords: THz-TDS, beta-endosulfan, absorption peak, Dmol3 Abstract.
It measures wave response in THz wave band to obtain characteristic spectra of measured materials.
High signal-to-noise ratio of THz-TDS measurement technology and broadband of single THz pulse, help THz-TDS technology analyze and evaluate the material compositions and the subtle changes of the material structure[7-16].
Research of THz spectroscopy is mainly about light resource generation and material molecular simulation and calculation.
Table2 Parameters of beta-endosulfan crystal Crystal space group P21/c Lattice parameter a:8.244Å b:10.104 Å c:17.320 Å Alpha:90.00° Beta:95.48° gamma:90.00° Fig.6 Structure of beta-endosulfan molecule Fig.7 Structure of beta-endosulfan crystal For the crystalline compound the solid-state calculation have been performed with density functional theory (DFT) by using the DMol3 program, as a part of Materials Studio package.
Online since: March 2008
Authors: Werner Riehemann, Agnieszka Mielczarek, Marcin Marczyk
Influence of thermal cycling and equivalent heat treatment on amplitude dependence of internal friction in Cu - Al - Mn shape memory alloys Agnieszka Mielczareka, Marcin Marczyk, and Werner Riehemannb Institute of Materials Science and Technology, Clausthal University of Technology, Agricolastr. 6, D-38678 Clausthal-Zellerfeld, Germany a agnieszka.mielczarek@tu-clausthal.de, bwerner.riehemann@tu-clausthal.de Dedicated to Prof.
These transformations involve a change in the packing density and cause microstructural changes in the material.
Similar effects were found for other bulk and foam materials, for example in [14].
This interpretation could be supported by the fact, that cracks were found in the thermally cycled material (Fig. 3b).
Tonn: Key Engineering Materials.
Online since: May 2011
Authors: Hai Chuan Wang, Zhi You Liao, Shi Jun Wang, Yuan Chi Dong, Yun Zhou
These advantages include efficient and instantaneous generation of heat throughout the materials, selective heating of materials and even selective stimulation of certain chemical reactions.
About 8~11 percent of CaF2 was added into the mixtures as fluxing materials. 9.8~12.2 g samples are weighted and well mixed were provided for the experiments.
In microwave heating process, due to the electromagnetic properties of the material plays a decisive role, the microwave field has a "mixing" effect on the molecular level and ion’s diffusion effect, solid-phase reduction reaction conditions is better than the conventional heating.
CHEN Jin; SONG Pingwen; WANG Shebin; LI Yanfang, Kinetics of Voluminal Reduction on Manganese Oxide Ore Fines Containing Coal by Microwave Heating,The Chinese Journal of Process Engineering, 2009.06,9( S1): 1-6
CHEN Jin; PAN Xiaojuan; ZHANG Meng; ZHAO Jing; LIN Yuansheng ,Heating Characteristics of Manganese Oxide Ore Fines Containing Coal under Microwave Irradiation,, Materials Review, 2007.11,21(11A):81-84
Online since: September 2013
Authors: Jian Wen Ruan, Zong Shou Cai, Ji Wen Yu, Jie Qiong Ruan, Jian Li, Xing Yu Guo
Analysis on the Technology of Crop Straw Curing Molding for Energy-oriented Using GUO Xing-yua, RUAN Jian-wenb, CAI Zong-shou, YU Ji-wen, RUAN Jie-qiong, LI Jian College of Engineering and Technology, Yunnan Agricultural University, Kunming650201, China asuperguoxy@163.com, bruanjwen@163.com (corresponding author) Key words: Straw; curing molding; energy-oriented using; technology and development Abstract: In our country, crop straw output more than 600 million tons per year, which is a huge amount of renewable biological resources, and the prospect of energy-oriented using is promising.
The comprehensive utilization of crop straw has five main ways in China at present: use as a fertilizer, feed, fuel, industrial raw materials and edible fungus base.
Experiments showed that such model adapted to the crops such as wheat, rice, maize straw and sawdust which are difficult to curing molding materials.
The main factors that affect crop straw curing molding are temperature, pressure, processing time and the material itself characteristics.
Crop straw curing molding materials mainly are abandoned maize straw, wheat straw, rice straw and branches.
Online since: June 2013
Authors: Ricardo Alexandre Amar de Aguiar, Rosemere de Araujo Alves Lima, Marcio Luiz Almeida Cunha, Ramon Fonseca Ferreira, Hector Reynaldo Meneses Costa, Joanes Silva Dias
Influence of Welding Parameters in Substrate/Coating of Galvanized Sheets Using Resistance Spot Welding Joanes Silva Dias1,a, Hector Reynaldo Meneses Costa1,b, Ricardo Alexandre Amar de Aguiar1,c, Rosemere de Araujo Alves Lima1,d, Marcio Luiz Almeida Cunha2,e and Ramon Fonseca Ferreira1,3,f 1Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Graduate Program in Mechanical Engineering and Materials Technology, Av.
The shear test in resistance spot welding is a key test for the evaluation of the failure load of the weld.
This combination of parameters can be applied in other circumstances, with other parameters that have not been evaluated in this study, such as retention time, hold time, postheat time, different materials or thicknesses, to give a complete view of the quality of weld formation.
Aslanlar: Kovové Materiály - Metallic Materials Vol. 48 (2010), pp.137–143
[9] AWS D8.9-97, Recommended Practices for Test Methods for Evaluating the Resistance Spot Welding Behavior of Automotive Sheet Steel Materials (1997)
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