copper section 中文意思是什麼

copper section 解釋
銅線截面
  • 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 ...
  • section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
  1. Materials for interconnection structures. part 7 : sectional specification set for restraining core materials. section 1 : copper invar coper

    互連結構用材料.第7部分:限制芯材料用分規范集.第1節:銅殷鋼銅
  2. Materials for interconnection structures - part 7 : sectional specification set for restraining core materials - section 1 : copper invar copper

    互連接裝置用材料.第7部分:芯約束用材料分規范.第1節:銅殷鋼銅
  3. Recently i bought a copper case with a section of shabby jian, which there ' s calcified sediment on. there ' s flax moulage on the rust. and i think it ' s true, so i spent 60 yuan buying it. now please have a look superiors

    日前購得銅劍格帶有殘劍一段，上有鈣化沉積物，鐵銹上有麻布印痕，自覺為真，遂花60元從小販手中購下，現請各位前輩掌眼。
  4. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ （ 2 + ）的氧化；添加劑a能提高鍍液的穩定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩定性。
  5. A summary introduction is made of the electrovibrating ore - drawing techniques that have been used in shizishan copper mine, which includes the electrovibrating ore drawing of the ore pass in middle section, the one for in - stope ore drawing, the one for the main underground ore bin and the one for the coarse ore bin in the concentrator

    針對獅子山銅礦應用中的幾種電振動放礦技術進行了總結性介紹，它們分別是：中段溜井電振動放礦、采場內電振動放礦、坑下主礦倉電振動放礦、選礦廠粗礦倉電振動放礦。
  6. Copper and brass tubes of circular section

    紫銅和黃銅圓管
  7. Copper tubes of circular section for high pressure oxygen systems

    高壓氧系統用圓截面銅管
  8. 540 - 770 n mm specification for bar and section for machining of titanium - copper alloy tensile strength 540 - 770 n mm2

    機加工鈦銅合金棒材和型材規范
  9. Specifications for particular types of winding wires - part 0 : general requirements - section 2 : enamelled rectangular copper wire

    繞組線特殊類型規范.第0部分:一般要求.第2節:漆包矩型銅線
  10. Low - voltage switchgear and controlgear. ancillary equipment. section 1 : terminal blocks for copper conductors

    低壓開關設備和控制設備輔助電器第1部分:銅導體的接線端子排
  11. Low - voltage switchgear and controlgear. ancillary equipment. section 2 : protective conductor terminal blocks for copper conductors

    低壓開關設備和控制設備輔助電器第2部分:銅導體的保護導體接線端子排
  12. 2. prolonging fireproof compensation lead of precision grade connecting with k dividing code thermocouple, owning polyvinyl fluoride insulation and sheath multi - strand conductor pairs and general shield knited by tinning copper thread, which twisted by 10 compensation pairs. nominal section of conductor is 1. 5mm

    2 .與k分度號熱電偶連接的延長型耐熱精密級補償電纜聚全氟乙丙烯絕緣和護套，多股絞合導體，鍍錫銅線編織對屏加總屏， 10個補償對絞合，導體標稱截面為1 . 5mm 。
  13. This paper includes five sections as following : in the first section, the discovery, characteristics, mechanisms, and recent developments of sers are simply summarized in the second section, the sers spectra of dab molecules adsorbed on silver sol, silver mirror, and copper were investigated

    本論文包括以下五個部分：第一章簡單介紹了表面增強拉曼散射現象的發現、特點、機理及其發展應用。第二章研究了dab分子在不同襯底，即銀膠、銀鏡和銅表面sers光譜。
  14. According to the geological background of the eastern section of daye maopu ~ yangxin liangjianqiao fracture zone, the characters of the known mineral deposits and the comprehensive analysis of the previous geologic work, and in combination of the characters of the known mineral deposits in the western section and the successful ore searching experience of jiguanzui copper - gold deposit, this paper analyses that there is large amount of ore searching information of hidden porphyry copper - molybdenum - gold deposit in the place where the eastern section of the east - west fracture zone and the edge of yangxin volcanic - rock sedimentary basin intersect, and infers that there occurs the copper - molybdenum - gold ore - forming massif at the edge of yangxin volcanic - rock sedimentary basin

    摘要通過大冶毛鋪陽新兩劍橋東西向斷裂帶東段地質背景、已知礦床地質特徵及前人地質工作的綜合分析，結合西段已知礦床的特徵和雞冠嘴銅金礦床成功的找礦經驗，分析東西向斷裂帶的東段與陽新火山巖沉積盆地邊緣交匯地段存在大量的隱伏斑巖型銅鉬金礦床的找礦信息，推斷陽新火山巖沉積盆地邊緣存在隱伏含銅鉬金成礦巖體。
  15. Based on the principle of sedimentology and the environmental behavior characteristics of heavy metals, the index of geoaccumulation igeo is used to evaluate heavy metal pollution in sediments in the benxi section of the taizi river. the results show that heavy metal pollution in the sediments are serious. the main heavy metal pollutions are copper, lead, zinc, cadmium and mercury

    論述了查爾酮合酶基因chs在植物防禦反應中與病原物的相互關系，探討了與查爾酮合酶因誘導表達相關的順式作用元件和反式作用因子及其dna -蛋白質間的相互作用，闡明其在植物抗病性防禦反應中的重要作用。
  16. Section four : effects of copper and cadmium on ultrastructure of myocardial cell in sinopotamon yangtsekiense the effect of copper and cadmium on ultrastructure of myocardial cells of sinopotamon yangtsekiense was studied by us

    銅、鎘聯合作用30d后，細胞核形態進一步改變，內外膜分離程度加大，異染色質疑集加重。線粒體膜破裂，內容物外流，嵴斷裂消失。
  17. Rapid construction in base rock section of main shaft in daye shitouzui copper and iron mine

    大冶石頭嘴銅鐵礦主井井筒基巖段快速施工
  18. 650 - 880 75mm specification for bar and section for machining of titanium - copper alloy tensile strength 650 - 880 n mm2 limiting ruling section 75 mm

    機加工用鈦-銅合金棒材和型材規范
  19. A. common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 2 : elongation at break after pre - conditioning - wrapping test after pre - conditioning - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test appendix a - test method for copper - catalysed oxidative degradation appendix b

    電纜絕緣和鎧裝材料的通用試驗方法.第4部分:聚乙烯與聚丙烯復合物專用方法.第2節:預處理后的斷裂伸長率.預處理后的纏繞試驗.空氣中熱老化后的纏繞試驗.增加量的測量.長期穩定性試驗
  20. Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section two : elongation at break after pre - conditioning - wrapping test after pre - conditioning - wrapping test after thermal ageing in air measurement of mass increase - long - term stability test appendix a. test method for copper catalysed oxidative degradation appendix b

    電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第2節:預處理后斷裂伸長率試驗-預處理后卷繞試驗-空氣熱老化后的卷繞試驗-測定質量的增加附錄a :長期熱穩定性試驗附錄b :銅催化氧化降解試驗方法
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