reaction copper 中文意思是什麼

reaction copper 解釋
粗銅
  • reaction : n 1 反作用，反應；反沖；反動力。2 【政治學】反動，倒退；復古（運動）。3 【化學】反應，【物理學】...
  • 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 ...
  1. Synthesis of 1 - azobenzene - 3 - 5 - cyano - 2 - pyridyl - triazene and its color reaction with copper

    三氮烯的合成及其與銅的顯色反應
  2. Synthesis of the new reagent 1 - azobenzene - 3 - 3 - nitro - 5 - chloro - 2 - pyridyl - triazene and its color reaction with copper

    三氮烯的合成及其與銅的顯色反應
  3. Deposition mechanism of electroless plating tin in acid chloride solutions was analyzed theoretically, and three steps were summed up, including period of replacement reaction, coexistence periods of copper - tin codeposition and self - catalyzed deposition, and period of self - catalyzed deposition

    從理論上系統地分析了酸性氯化物化學鍍錫的沉積機理，將其歸納為置換反應期、銅錫共沉積與自催化沉積共存期和自催化沉積期三個階段。
  4. The chemical reaction control of cuo - al system has been studied. the results show that the chemical reaction is more stable when cupric oxide and aluminium is put respectively into molten copper

    在此基礎上，實驗研究了cuo ? al體系的化學反應控制，得出了採用cuo和al分別加入法比壓塊加入法會使反應進行的更加平穩。
  5. Spectrophotometric determination of cu2 in acidic bright copper electroplating bath by fading reaction of methyl violet

    甲基紫褪色光度法測定酸性光亮鍍銅液中的銅
  6. Photometric determination of tungsten in copper ores by the reaction system of saf - ctmab

    溴化十六烷基三甲基銨光度法測定銅礦石中鎢
  7. 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。
  8. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  9. After 40 hour irradiation time, about 7 ci of radioactive isotope 64cu was produced via 63cu ( n, y ) 64cu reaction. after simple disposal, the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator. then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator, 64cu ions can be accelerated to an energy of 80 mev and formed the off - line rnb since natural

    S ）的熱中於通量下，經過34個半衰期輻照，通過『 u … ， y ）生成放射性l司位素『 cll ，然後將放射性銅靶錐注入串列加速器強流濺射離于源中，引出mcll負離于，經刁串列加速器加速而得到能量為80mcv的離線放射性核束「 cll叭。
  10. By oxidation-reduction reaction, copper is cemented into the iron.

    經氧化還原反應，銅滲入鐵中。
  11. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應法制備了cu -納米tib _ 2原位復合材料，在此基礎上分析了原位復合材料的微結構，進行了干滑動摩擦磨損和電接觸滑動磨損實驗，完成的主要工作如下：從熱力學的角度出發，分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件，並用電解銅、工業純鈦、 b _ 2o _ 3 、 c （還原劑）以及cu - ti 、 cu - b等合金為原料，通過控制適當的反應溫度、反應時間和快速凝固等工藝手段，制備了cu -納米tib2原位復合材料。
  12. Model 9bd backflow preventer for vending machine water supply lines prevents backflow of carbon dioxide gas and carbonated water into the water supply system to vending machines, thus eliminating the hazardous reaction of carbon dioxide with copper tubing

    型號9bd防迴流閥適用於自動售貨機水供應管道，防止碳酸氣和碳酸水迴流到供水管道和自動售貨機內，因此避免了二氧化碳與銅管的危險反應。
  13. The character of the key accounts could be concluded as : to gain profit long term, have loyalty to the enterprise, play an important role strategically. on the basis of the analysis upwards, the goal of the kam of the hd copper company could be said that to gain the key account loyalty, to increase the rate that keep the key account in the company and to improve the benefit level. to achieve this goal, part 3 points out that the company should understand the change of the relationship, from the key account value factors ( price, quality, creation, reaction speed, etc ), create and improve the key account value

    承接第一部分，本文第二部分深入分析了hd銅業公司大客戶管理的理論依據，首先，從企業增長與大客戶導向經營理念的關系、大客戶容量瓶頸和大客戶流失的負面累加效應闡述了hd銅業公司從戰略高度思考大客戶管理的重大戰略意義；其次，深入分析了企業大客戶的特徵：長期贏利能力強、對企業忠誠、具有重大戰略意義，並探討了大客戶細分和選擇的方法，在此基礎上，進一步分析了hd銅業公司的大客戶管理是對大客戶關系這項資產的有效管理，進而提出了hd銅業公司大客戶管理的目標是驅動大客戶忠誠，改善大客戶保持率並提高利潤水平。
  14. Abstract : from the angle of the functional requirement for underwear and outwear, this paper analyses the properties of anti - microbial and occlusion fabric produced from copper and polar amino acid of silks complex emetic reaction to distributed by cu s crystal on the surface of silk. it made a study on the producing method of elastic fabric and indicates the common problems in both production and design

    文摘:從內衣對真絲的功能性要求及外衣對真絲綢成形能力的要求切入，介紹了利用銅化合物與桑蠶絲中的極性氨基酸發生絡合反應，在纖維表面形成硫化銅晶體得到抗菌導電真絲的原理和效果，還介紹了生產彈性真絲織物的幾種方法和影響織物彈性、服用效果的因素，提出了在生產、設計彈性真絲織物過程中應注意的主要問題。
  15. This paper analyses the result of in - situ mining and dump leaching briefly, using kinetics method of certain low quality copper ore in hunan province, get the reaction speed of this ore, and it offers the gist for leaching this ore

    摘要簡要的對湖南某低品位銅礦石原地破碎浸出進行了動力學分析，得到了此種礦石原地破碎浸出的反應速率，為此種礦石進行浸出提供了依據。
  16. In this article, the micromorphological structure of pva - copper gradient composite film ( mpgcf ) obtained from the electrochemical reduction of a swelling cathode films ( scfs ) was studied by the scaning electronic microscope and the relationship between the micromorphological structure of the composite film and the electrochemical conditions such as the weight ratio of pva to cuc12, the material of the electrode, the concentration of the medium solution, the dring time of scf, the power voltage, the time of the electochemical reaction etc, investigated

    本文採用「溶液還原法」制備了一種新型的聚合物基金屬梯度復合材料（ mpgcf ） ? pva /銅梯度復合膜。通過掃描電子顯微鏡觀察了梯度復合膜的形態結構並研究了其形態結構與電化學條件之間的關系。然後在此基礎上，探討了梯度復合膜的形態結構與力學性能之間的關系。
  17. Standard test method for measuring fast - neutron reaction rates by radioactivation of copper

    用銅的輻射激活化法測定快中子反應率的標準試驗方法
  18. The mechanism of hydrothermal process has also been studied. under the hydrothermal conditions, a small quantity of cu2 + in solutions were carried to the copper lattice due to the diffusion and convection, then the cu2 + move to the positions of lattice defect. the crystallization reaction happened and copper powders got a good crystallinity and an excellent antioxidation

    在穩定的水熱條件下，由於擴散、對流或強迫流動引起少部分溶解在溶液中的銅離子向銅晶體表面附近的區域輸運，在晶面某一位置上被吸附，並通過表面擴散，順著臺階運動到扭折位置，發生結晶反應。
  19. The model of primary battery theory was built to explain the mechanism of improving uniformity of copper powders. as the two different particles closing up, primary battery reaction happened because of the

    使原來存在大量扭折、臺階等缺陷的銅晶得到晶格修補，使晶格完美化生長，從而一定程度上提高了其抗氧化溫度。
  20. By oxidation - reduction reaction, copper is cemented into the iron

    經氧化?還原反應，銅滲入鐵中。
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