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铜材     
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  copper material
     Based on GZT low-voltage switchgear assemblies CCC accreditation data, via analysis and comparison, it shows that 4 000 A/5 000 A non-conventional type level busbar system saves 30% copper material than rectangular level busbar system.
     根据GZT低压成套开关柜CCC认证试验数据,通过分析对比,表明4 000A/5 000A异型水平母线系统比矩型水平母线系统节约铜材30%。
短句来源
     Study on BTA Majored Set of Compound Passivators Used for Copper Material
     铜材用BTA系复配钝化剂的钝化效果及其机理研究
短句来源
     Application and Study on Copper Material Grounding Devices
     电力系统铜材接地装置的应用研究
短句来源
     The analysis showed that,the main water guality indexes of second class urban sewage after being deeply treated with lime could satisfy the quality requirements of make-up water of circu-lating cooling water:in the condition of2.0~2.5times concentration,the corrosion rate of copper material in the circulating cooling water system was less than0.005mm/year,adhesion rate was less than10mg/cm 2 in30days;
     在浓缩2.0~2.5倍的情况下,循环冷却水系统铜材的腐蚀速度小于0.005mm/年,粘附速度30天小于10mg/cm2;
短句来源
     The composition and function of electricity control system to high precision mill in Guangzhou Copper Material Factory.
     本文介绍广州铜材厂高精度轧机电控系统的组成及功能。
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  copper product
     The paper introduces the main specifications, together with the configuration of equipment and advanced technology adopted of 160mm/550mm×600mm four high hydraulic finishing mill unit in Guangzhou Copper Product factory.
     介绍了广州铜材厂的 1 60 mm/ 550 mm× 60 0 mm四辊液压精轧机组的主要性能 ,设备组成 ,采用的先进技术。
短句来源
     Results have indicated that the service life of ceramic die is 3~4 times longer than that of 3Cr2W8V. The apparent quality of copper product has been improved.
     试验表明,该热挤压模具使用寿命是现用的3Cr_2W8V钢模具的3~4倍,并改善了铜材制品的表观质量。
短句来源
     Production and Technology of Copper Product in China and the Application
     我国铜材的生产、技术与应用
短句来源
     The horizontal continuous casting is developed to cope with the alloy production of poor hot rolling performance, in which Qsn6.5-0.1 alloy production is universal but difficult in mastering its process. The article aims to study and discuss the production process for Qsn6.5-0.1 alloy produced in Guangzhou copper product corp. Ltd.
     水平连铸是为了适应热轧性能差的合金生产而发展起来的,在水平连铸生产中,Qsn6.5-0.1合金的生产较普遍,但在工艺的掌握上,仍存在一定的难度,本文对广州铜材厂有限公司Qsn6.5-0.1合金的生产工艺进行探索、论述。
短句来源
     With the development of electronic parts and components industry and ever increasing requirement for the performance of materials,successive replacement of common copper product by oxygen free copper and silfos will be the trend of development in the near future.
     随着电子元器件工业的发展和对材料性能要求的不断提高,目前大量使用的普通铜材被无氧铜及铜银合金材料逐步取代将是近期的发展趋势。
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  copper sheet
     The rolling procedure for fabricating ultra-fine grained copper sheet by means of the AARB(asynchronous accumulative rolling-bonding) technique was set at a speed ratio of 1.08 and a reduction of 50%.
     采用异步叠轧法,在速比为1.08,压下率为50%条件下,确定了铜材的轧制工艺.
短句来源
  copper products
     Production, technique and application of copper products in China
     我国铜材的生产、技术与应用
短句来源
     Pre-Pumped Vacuum Furnace and Protective Atmosphere for Bright Annealing of Copper Products
     铜材光亮退火用预抽真空炉和保护气氛
短句来源
     Abstract : This paper studies systematically the subject of development strategy of deeply processed property of copper products in Tongling city, according to relatively basic theories such as Industrial Economics, Regional Economics and Technological Economics, by applying a combination of four methods, namely positive analysis, normative analysis, quantitative analysis and qualitative analysis, and following the basic way of "Putting forward a problem-Analysing the problem-Solving the problem".
     本文根据产业经济学、区域经济学和技术经济学等学科的相关基本理论,运用实证分析和规范分析、定量分析和定性分析相结合的研究方法,遵循“提出问题—分析问题—解决问题”的基本思路,对安徽铜陵市铜材深加工产业发展研究这一课题作了系统研究。
短句来源
     Studies on the Development Strategy of Deeply Processed Property of Copper Products in Tongling
     铜陵市铜材深加工产业发展战略研究
短句来源
     Finally, the suggestions are put forward, that is, the strategic option of deeply processed property of copper products in Tongling.
     在此基础上,重点对铜陵铜材深加工的发展环境作了SWOT分析,进而提出解决问题的办法,即铜陵市铜材深加工发展战略选择。
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  copper material
The normal derivatives necessary for implementation of the Green's function in boundary integral equations are provided, and an example calculation of the Green's function in a quartz-copper material system is presented.
      
Establishment of a cutting force model and study of the stress-strain distribution in nano-scale copper material orthogonal cutt
      
Indeed, Aes Rude resemble ordinary copper material, but microchemical results indicate that they are constituted by highly ferruginous leaded copper, making them useless for producing other metal objects by means of casting or hot and cold working.
      
Step edges serve as sources for the consumption of copper material upon compound formation leading to accelerated copper dissolution at the step edges.
      
The results demonstrate the ageing kinetics of the spray-deposited and hot-extruded metal-matrix composites to be the same as those of the monolithic aluminium-copper material.
      
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  copper product
The main copper product involved is earthing tape, an annealed narrow strip semi-fabrication.
      
  copper sheet
A significant increase of machining efficiency (material removed per unit time) was observed when the speed of lateral translation of the thin copper sheet across the beam focus was decreased.
      
In this paper, we compared elastic shear moduli determined by EMAT techniques to x-ray pole figure measurements for three lots of rolled copper sheet.
      
In the second part of the work the experimental data relating to the first ever tests on 0.2-4.0 mm thick copper sheet cutting by 2 kW CO2 laser are reported.
      
Porous palladium nanostructures were prepared on a copper sheet previously fixed over the plasma high-temperature area by H2+He arc plasma method.
      
Primary copper sheet (electrosheet) behaves like traditionally produced cold rolled copper (C11000) sheet but with an increased corrosion rate.
      
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  copper products
A procedure is outlined for the separation and determination ofμg amounts of silver from gram amounts of commercial copper products in nitric acid by the chloroform extraction of the 4-heptanone oxime complex of silver(I) nitrate.
      
This work gives the results of influence of temperature and deformation degree on changes in the metal grain growth of drawn copper products, because this mutual dependence was observed.
      
It is found that the latter two factors had pronounced effects on the obtained copper products.
      
Alloyed copper products accounted for about 84% of the total copper recovered from scrap.
      
Alloyed copper products accounted for about 83% of the total copper recovered from scrap.
      
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