copper current 中文意思是什麼

copper current 解釋
正電流
  • copper : n 1 銅；紫銅。2 銅幣，銅錢，〈pl 〉零錢。3 銅器；銅罐，銅壺，銅鍋；銅管；銅製品。4 （紫）銅色。5 ...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。
  2. The product vacuum arcing chamber adopts porcelain case, cup shape and longitudinal magnetic field contactor structure, copper and chrome contactor material, it has the capacity of good open and close short circuit current

    本產品真空滅弧室採用陶瓷外殼，杯狀縱磁場觸頭結構，銅鉻觸頭材料，具有優良的開斷和關合短路電流能力。
  3. The electrical simulation compared the temperature and the current density distribution in copper lines with different width and barrier materials, the result indicating that the maximum temperature locates in the middle of the line and the 20 - degree obliquity is the most optimum one in the pore structure

    在電學模擬過程中，對比了不同條寬和不同阻擋層材料下的互連線的溫度、電流密度分佈，以及不同通孔傾角下、不同阻擋層材料下的通孔的溫度、電流密度分佈。
  4. We also studied the dynamic characteristics of cf / cu ( c ) - cu composites, the results show that, by the method of graphite is coated with copper, the coefficient of friction and the wear rates remarkably decreased. with the increase of the copper coated carbon fiber content, the wear rates of cf / cu ( c ) - cu composites is notably decreased, while the coefficient of friction is increased. with the increase of electric current density, the wear rate of cf / cu ( c ) - cu composites is increased

    研究發現，碳纖維鍍銅石墨-銅復合材料的電摩擦磨損性能與碳纖維含量存在一最佳值，當碳纖維含量為0 . 6時，其電摩擦磨損性能最好；對于不同電流密度下的電磨損性能的比較可以發現，通電磨損時的電摩擦系數要小於機械磨損時的摩擦系數，碳纖維鍍銅石墨-銅復合材料的電摩擦系數隨電流密度增大先減小而後增大，在電流密度為15a cm ~ 2時達到最小值；通電磨損量要遠大於機械磨損量，且隨著電流密度增大，磨損量增加。
  5. Using ordinary modem, the data transmission speed under the current existing twisted pair access copper telephone lines network for voice communication is limited to 56kb s, which is totally inadequate for high volume data transmission. even using the adsl technology, the maximum transmission speed can only be increased up 6mb s. to surmount this problem by providing optical network access directly to all users ? home and offices not only involve very high cost but also extremely time consuming engineering work

    現存原來用作話音通訊的雙絞銅線電話固網，在利用現時普通的modem情況下，數據傳送速度僅為56kb s即使利用較先進的adsl技術，其最高速率亦只有6mb s ，不足以應付高容量資訊的傳輸然而要做到光纖入戶，不但成本高昂，而且工程所需之時間漫長。
  6. Using ordinary modem, the data transmission speed under the current existing twisted pair access copper telephone lines network for voice communication is limited to 56kbs, which is totally inadequate for high volume data transmission. even using the adsl technology, the maximum transmission speed can only be increased up 6mbs. to surmount this problem by providing optical network access directly to all users ? home and offices not only involve very high cost but also extremely time consuming engineering work

    現存原來用作話音通訊的雙絞銅線電話固網，在利用現時普通的modem情況下，數據傳送速度僅為56kbs ；即使利用較先進的adsl技術，其最高速率亦只有6mbs ，不足以應付高容量資訊的傳輸；然而要做到光纖入戶，不但成本高昂，而且工程所需之時間漫長。
  7. Because of the limitation of experimental conditions we failed to form foam lead grid in the experiment. copper draw net is used as anode grid and it can improve to some extent the utilization of pam. due to human errors in the experiment we have not used the same discharge current density

    在實驗中我們試圖通過鑄造法、電鍍法和還原法等一系列的實驗辦法製作泡沫鉛板柵，由於實驗條件的限制，沒能夠成功制得泡沫鉛，而在使用銅拉網作為正極板柵的時候，能夠使電池的正極活性物質利用率有提高，但由於實驗時候的失誤，沒能夠使用相同的放電電流密度進行放電，我們無法利用實驗數據比較出具體能提高的數字。
  8. Copper and copper alloys - eddy current test for tubes

    銅和銅合金.管材的渦流試驗
  9. Aluminium bus bars copper cladding ; design for continuous current

    鍍銅鋁匯流排.連續電流的設計
  10. Experiment shows that the long effect copper electrode can be used as measuring stray current corrosion on buried metal structure in metro concrete structure

    實驗證明，長效銅硫酸銅電極可以在地鐵的混凝土結構中用於測量理地金屬結構的雜散電流腐蝕。
  11. The good adhesion of zinc coating can be obtained. 3. pyrophosphate copper electroplating is conducted by ammonium citrate as a auxiliary complexing agent at around 40, the narrow range of current density can

    3 .焦磷酸鹽鍍銅時採用檸檬酸銨作為輔助配合劑，溫度控制在40左右，電流密度范圍較窄，控制在1 . 0a . dm ~ （ - 2 ）左右，電鍍時間較長，無法達到無孔狀態，所以必須採用酸性鍍銅加厚銅鍍層。
  12. In the case of copper, global inventories have fallen because, even though demand is outpacing supply, many mining companies remain sceptical that current prices will last

    就銅金屬而言，全球庫存量已下降，因為盡管需求超出供給，但許多礦業公司對于目前的價格能否持久仍持懷疑態度。
  13. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。
  14. High duty cycle, can continue work even at high current. applicable for welding of metal materal like aluminum and ally aluminum, carbon steel, stainless steel, copper, titanium

    高負載率，可大電流連續工作不停機。適用於鋁及鋁合金、碳鋼、不銹鋼、銅、鈦等各種金屬材料的焊接。
  15. Copper bus bars ; design for continuous current

    銅匯流排.持續電流的計算
  16. According to the production practice of zinc electrolysis, the paper has introduced that the link - up of the big area female copper line is one of the main factors influencing the direct current consumption

    摘要文章根據鋅電解生產工藝的實踐，闡述了鋅電解大面積銅母線連接方式的好壞是影響直流電單耗的主要因素之一。
  17. He realized metals could produce a current and developed the first battery, or " voltic pile, " a series of copper and zinc strips in salt water that gave off an electric current instead of static electricity

    他意識到了金屬能導電，他最先發明了電池，或者說是由鹽水、銅棒和鋅棒組成，可產生電流而不是靜電荷的電池。
  18. Current state of research on anti - tarnishing technology for copper and its alloys

    銅及其合金防變色工藝研究現狀
  19. We take some measures to prevent the emergence of disturbance when we design the hardware. for example, we increase the copper breadth according to the magnitude of the electric current. the rc circuit is used to absorb the spark generated by buttons and relays when they are putted at the same time, we use the redundancies instruction technology and the trap technology in software aspect avoiding the interference, which can assure the system work credibility

    在硬體上，我們設計印刷電路板時採取一些措施如根據電流的大小，將相對應的銅線寬度加粗，利用rc電路加以吸收按鈕、繼電器等零部件操作時產生的火花等防止干擾的產生；在軟體上，我們採用了指令冗餘技術和軟體陷阱等抗干擾措施，以保證系統可靠工作。
  20. Based on modern theory and incentive pay based on the theory of the design, according to propose and analyze issues and solve problems in thinking, in the copper company jiangxi copper current salary distribution system analysis, based distribution system against the problems that exist, according to the types of characteristics and the nature of the work, the different improvements

    本文以現代激勵理論和薪酬設計理論為基礎，按照提出問題、分析問題和解決問題的思路，在對江西銅業銅材公司目前薪酬分配體系分析的基礎之上，針對分配體系中存在的問題，根據不同類型人員的特點和工作性質，提出不同的改進意見。
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