氧化銅粉 的英文怎麼說

中文拼音 [yǎnghuàtóngfěn]
氧化銅粉 英文
cupric oxide powder
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 銅 : 名詞（金屬元素） copper （cu）
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
  1. He found that the red pigment proved to be iron oxide, hematite ; a yellow consisted of clay containing iron or yellow ochre ; a blue color was a finely powdered glass ; and a pale blue was a copper carbonate, probably azurite ; green were malachite ; black was charcoal or boneblack ; gray, a limestone mixed with charcoal ; and a quantity of pigment remaining in a paint pot used in the decoration, contained a mixture of hematite with limestone and clay

    他發現紅顏料是鐵的氧化物赤鐵礦；黃色顏料由含有鐵或黃赭色粘土組成；藍顏色為細微的玻璃粉；而普藍就是碳酸銅，或許是藍銅礦；綠顏料為孔雀石；黑色為木炭或骨黑；灰色，石灰石混合木炭而成；而一些顏料殘留在用於彩繪裝飾的顏料瓶里，含有赤鐵礦與石灰石及粘土的混合物。
  2. Please keep in mind that the titanium products should be cleaned by soft fabric or a litter french chalk, not by acid and alkaline detergent. for the plastic and non - stainless steel products, should not be used in the moist floor or cleaned by the water directly. and the brass products have done by oxygenation, so that you only want to clean by soft frabic

    鈦金製品，切勿用酸、堿性清潔劑擦洗，只需用軟布或少許滑石粉擦之即光亮如新，非不銹鋼、塑料類產品不能使用在潮溫地面或直接用水沖洗；銅製品已做氧化處理，切勿使用擦銅劑，只需用軟布擦之即可。
  3. 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 。
  4. Abstract : for the high arsenic sulfide gold ore of a mine in tongling, anhui, a scheme of preferential separation of gold is suggested, in which bleaching powder is used as the oxidizing agent for separating arsonopyrite from pyrite and good separation perfermances can be achieved

    文摘:針對安徽銅陵某礦含金高砷硫化礦石，提出了優先選金方案，採用漂白粉作氧化劑使毒砂與黃鐵礦分離，取得了較好的分選指標。
  5. Cupric nitrate is used as catalyst, oxidizer, activating agent for luminescent powder, and photosensitive resistance materials

    硝酸銅用作催化劑氧化劑熒光粉激活劑及光敏電阻材料等。
  6. Preparation of nanopowder cu 2 by the action of high intensity ultrasonic field and its characteristic

    功率超聲作用下氫氧化銅納米粉體的制備與表徵
  7. When the bath load was increased, the plating rate was shortened. the effects of bath composition and plating conditions on the composition were also investigated. the x - ray analysis showed that edta and the stabilization agent can effectively increase the content of the copper oxidation in the composite powders

    粉體x ray分析的結果表明，絡合劑對防止鍍液中的氫氧化銅的產生起來關鍵作用，而氫氧化鋼是產生氧化亞銅的直接原因，因而選用edta作為絡合劑，以及合適的量，可以減少二射線中的氧化亞銅的饅頭峰。
  8. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。
  9. Research progress in characterization of crosslink structure of rubbers

    導電用超細銅粉防氧化新技術研究
  10. The feasibility of copper matrix reinforced by cr2o3 particles was discussed from the aspect of the demand of composite on reinforcer, interface and its formation. crcu alloy powders prepared by water atomization were turned into cr2o3 / cu compound powders, which were made into composites

    本文從復合材料對顆粒增強相的要求、復合材料的界面以及復合材料的成型等角度分析了cr _ 2o _ 3顆粒作為彌散強化相增強銅基體的可行性，採用水霧化法制備crcu合金粉末，並通過預氧化的方法得到cr _ 2o _ 3 cu復合粉末，運用粉末冶金法制備cr _ 2o _ 3 cu復合材料。
  11. Determination of lead and copper contents in molybdenum oxide powder for export. flame atomic absorption spectrometric method

    出口氧化鉬粉中鉛銅含量.原子吸收測定方法
  12. The pure uhmwpe and a series of uhmwpe - base composites reinforced by cu powder or cuo powder were prepared by means of heat moulding. their tribological behaviors were studied

    以模壓法研製了uhmwpe材料、無機填料銅粉改性uhmwpe復合材料以及氧化銅改性uhmwpe復合材料，並對其摩擦學行為進行了研究。
  13. The starting oxidation temperature of copper powders prepared by hydrothermal method is about 210 and average particle size is about 0. 7 m

    採用此參數可得到平均粒度為0 . 7 m ，分佈狹窄，開始氧化溫度約為210的超細銅粉。
  14. The optimized experiments were used to explore the optimal hydrothermal conditions in order to prepare cu powders which have excellent properties. the optimal parameters of hydrothermal experiment as follows : the temperature is 240, the time of reaction is 10h and the volume ratio of solution filling is 80 %

    將粒度均勻性和開始氧化溫度作為衡量銅粉性能的指標，最終得到的最佳工藝參數為:水熱溫度為240 ，反應時間為10h ，溶液填充度為80 % 。
  15. The samples were characterized contrastively by sem, tem, saed, positron annihilate and the different mechanism for two methods were preliminarily discussed. the experimental results showed that nano - cuo prepared by sol - gel method was spherical, which was agglomerated badly and can aging easily. however, nano - cuo prepared by pressure - hydrothermal method has loose and thin - piece appearance structure

    結果表明，溶膠-凝膠法制得的氧化銅粉末呈類球形，團聚嚴重，易老化；而壓力-熱液法制得的氧化銅具有疏鬆的、薄片狀的外觀結構，粒子厚度約為20nm ，分散性較好、抗老化能力強；壓力-熱液法制備的氧化銅比溶膠-凝膠法制備的氧化銅缺陷濃度小。
  16. Experiment of hydrogen evolution showed that the evolution hydrogen amount of current collector coated by mono - layer plating or double - layer plating was less than without them in 7. 0m koh solution with zinc power, and that of the double - layer plating of zn - in, sn - in was the least. cyclic voltammetry - indicated that there is an obvious reduction peak of hydrogen at the potential of about - 0. 8v vs

    用動態析氫實驗表徵，發現沉積單、雙層金屬的集電體在含鋅粉的7 . 0m的氫氧化鉀溶液體系中的析氫量比無沉積層的銅集電體析氫量要小，其中，沉積鋅銦、錫銦雙層的析氫量最小。
  17. Chemical reagent - copper oxide powder

    化學試劑粉狀氧化銅
  18. Nano - cuo powders were successfully prepared by pressure - hydrothermal method with cuso4 5h2o and naoh as materials. xrd, sem and tem were used to characterize the samples. the influence of raw materials " initial concentration, thermal treatment " temperature, pressure and thermal treatment " time on the morphology and size of cuo were analyzed, and the possible growth mechanism was also discussed

    以硫酸銅和氫氧化鈉為原料，用壓力-熱液法合成了納米氧化銅粉體，用xrd 、 sem 、 tem對所制得的氧化銅進行了觀察與表徵，分析了原料起始濃度、熱處理溫度、壓力、 ph值及熱處理時間對氧化銅形態和大小的影響，初步探討了不同形態氧化銅的生長機理。
  19. It has weak - link free grain boundaries and is a kind of low cost material, . which could be used under 20k ~ 30k. however, mgb2 reveals a poor jc property in high magnetic field. currently in the research of the mgb2 wires and tapes many efforts have been made to improve its grain connection or enhance the jc dependence on the magnetic field using the method of chemical doping

    二硼化鎂是迄今為止所發現的超導臨界轉變溫度最高的非銅氧化物超導材料，它具有無弱連接、成本低廉、能夠在20k 30k應用等優勢，但是mgb2在外場下的臨界電流特性較差，目前在優化粉末套管法制備mgb2線帶材工藝的研究中，通過改善晶間連接和利用化學摻雜提高樣品的超導臨界電流密度是mgb2成材研究的一個重要方向。
  20. Copper powder is one of the ideal substitution products of the pdag electrode of multilayer ceramic capacitors ( mlcc ). it is excellent in price and electrical conductivity for preparing mlcc. however, copper powder is active in chemical property and can be oxidized easily in the air

    銅粉作為mlcc貴金屬內電極的理想替代產品之一，價格低廉，並具有與銀相媲美的良好導電性，但其化學性質活潑，在空氣中易被氧化為不導電的氧化亞銅和氧化銅。
分享友人
分享到 Line

分享到臉書