نتایج جستجو برای: metal industries
تعداد نتایج: 242103 فیلتر نتایج به سال:
This study analyzes the exchange rate pass-through into China aggregate import prices and prices of eleven industries under the HS classification. Chinese monthly data from July 2005 to July 2015 are used. Bounds test finds that all industries have co-integration relationship, with the exception of footwear and headgear products (HS12) and transport equipment (HS17). We have researched the shor...
Graduate Institute of Automation and Control, National Taiwan University of Science and Technology, No. 43, Sector 4, Keelung Road, Taipei, 106, Taiwan, R.O. China Department of Engineering Science and Ocean Engineering, National Taiwan University, No. 1, Sector 4, Roosevelt Road, Taipei, 10617 Taiwan, R.O. China Metal Industries Research & Development Centre, 1001 Kaonan Highway, Kaohsiung, Ta...
Malaysia has become part of the world’s manufacturer among Asian country. This has put manufacturing industry as a major sector in the foreign direct investment (FDI) in this country. However, this recognition has created occupational safety and health (OSH) issues among the workers while they are at work. These emerging OSH issues impacted additional noise sources, use of hazardous material, i...
We propose a systematic method for creating constellations of unitary space–time signals for multiple-antenna communication links. Unitary space–time signals, which are orthonormal in time across the antennas, have been shown to be well-tailored to a Rayleigh fading channel where neither the transmitter nor the receiver knows the fading coefficients. The signals can achieve low probability of e...
The application of agro-industrial waste in Aluminum Metal Matrix Composites has been getting more attention as they can reinforce particles in metal matrix which enhance the strength properties of the composites. In addition, by applying these agroindustrial wastes in useful way not only save the manufacturing cost of products but also reduce the pollutions on environment. This paper represent...
The aim of this study is to investigate the dynamics of information risk at the Tehran Stock Exchange (TSE). We estimated the daily probability of information based trade (PIN) for 22 stocks from 11 different industries of TSE over 4 years. The total average of the daily PIN for all stocks was 27% from 2013 to 2016. The lowest and the highest average of PIN estimates for individual stocks are 2...
A planner for a self adaptable and reconfigurable fixture system is proposed. The system is composed of mobile support agents that support thin sheet metal parts to minimize part dimensional deformation during drilling and milling operations. Compliant sheet metal parts are widely used in various manufacturing processes including automotive and aerospace industries. The main role of the planner...
Chromium has been used commercially in the United States for more than 100 years in metal alloys and other compounds, as a pigment, and in the tanning and metal plating industries, and many studies have looked at its effects in terms of occupational health. But, although scientists know that Cr(VI) is a human carcinogen and that it can cause other deleterious health effects including kidney and...
Carbon or graphite fi ber composites are replacing metal structures and parts in many industries, such as aerospace, general transportation, high performance automotive, and sporting goods. These materials are favored for their reduced weight and greater strength relative to traditional metal parts. For example, the Airbus A350 and Boeing 787 are both made of approximately 50% composite materia...
Not all heavy metals are toxic. Some at lower concentrations are essential to the physiological status of the organism. Under certain conditions, induced toxicity occurs when the heavy metals are in the form of cations which tends to bind to certain biomolecules, thus becoming toxic to organisms. In many industries, toxic heavy metals such as As, Cd, Cr, Cu, Hg, Pb and Zn, are released mainly i...
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