cu 中文意思是什麼

cu 解釋
Cu = 【化學】 cuprum.
  1. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球磨法制備的超細銅鋅粉的分散性進行預試驗和優化試驗,發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  2. Afm investigations of process of cu thin films deposited on silicon wafers

    基上沉積成核的演化過程
  3. Research on the processing technology of ag - cu - in - sn solder

    釬料加工工藝的研究
  4. There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts

    北衙金礦有3種成因不同的礦床:與堿性斑巖有關的銅金多金屬礦,包括與石英鈉長斑巖和石英正長斑巖有關的斑巖型銅金礦床和矽卡巖型多金屬礦床;與輝長玄武巖漿有關的鐵金礦床,包括熔漿型鐵金礦床和噴流沉積型多金屬礦床,後者又有洞穴和湖相沉積環境之分;及古砂礦,有古風化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。
  5. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大幅度的提高。
  6. Technical requirements and inspection methods for pb - sn - cu alloy antifriction coating

    Pb ? sn ? cu三元合金減摩鍍層技術要求和檢驗方法
  7. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物,以鯽魚為實驗動物,應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等,全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響,初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響,為制定漁業生產上預防性的管理措施提供科學依據,及時避免或減輕重金屬污染對水生生態系統造成的損害。
  8. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連接技術是一門邊緣科學,涉及材料、擴散、相變、界面反應、接頭應力應變等各種行為,工藝參數多,雖然已經進行了大量的試驗研究,但卻對各種材料的連接機理尚未有明確的認識,為此人們試圖藉助于計算技術,對接頭行為進行數值模擬,以便找到共同規律,對擴散連接過程及質量進行預測與實時控制。
  9. Catalytic oxidation of benzyl alcohol to benzyl aldehyde with cu sba

    15催化苯甲醇氧化制苯甲醛
  10. Part iv in this paper, 28 physiologically ph7. 43 ( + 0. 02 ), applying fluorescence method, we observed the fluorescece quenching of bovine serum albumin ( bsa ) by its interaction with cu ( ii ) and zn ( ii ) or cu ( ii ) absolutely. we calculated stern - volmer ' s - k ' svotbsa, and lineweaver - burk ' s a ^ ' dcu - bsa in these two kinds of systems. the different interaction of cu ( ii ) and zn ( ii ) with bsa has been discussed in this paper

    在出er卜lmcfap人公瓦的全懶上吐似推導了此三元體系中熒光碎滅的締合公式。在與二元體系的比較后,推測zno )會竟爭cu門)與bsa結合, cu門川與bsa結合的穩定性大於zn )與bsa結合的穩定性。
  11. This paper explained the technology that taking calces of pyrite as theraw materials, using the way of chemical process of mineral, dislodging the detrimental impurities with the measures of dipping lye and dipping acid oxide, wich aimed to get the rate of recovery of valuable metallic elements au 87 %, ag 76 %, cu 82 %

    摘要以黃鐵礦燒渣為原料,通過化學選礦的方法,採用堿浸及氧化酸浸的工藝,除去有害雜質和回收有價金屬元素金、銀、銅,回收率分別為87 % 、 76 % 、 82 % 。
  12. Uses : cold welding of nonferrous metals such as cu al ag ni pt sn zn ta and some of their alloys

    產品用途:對銅、鋁、金、銀、鉑、錫。鉭鈮等有色金屬線材及他們部分合金線材的焊接。
  13. Further research of lithofacies pvove : lode country output points belongs to tidal - flat facies. and the two sides belong to littoral facies - estuarine facies. ore area petrochemistry analyse also prove : intraclast congeries silica rock in basin have higher cu, ag abundance than circumference pena. the prominence inhomogeneity of the cu distribution indicates reconstruct of the late construction

    礦區內巖石化學測量也證明:盆地內發育的內碎屑堆積硅質巖比周圍巖石具有更高的cu 、 ag元素地球化學豐度值, cu元素分佈的顯著不均一性,表明了後期構造的改造作用。
  14. Metallogenic models of cu, ag deposits in felsic volcanic rock of permian continental facies of awulale, western tianshan mt

    西天山阿吾拉勒二疊紀陸相長英質火山巖銅銀礦礦床模式
  15. Cr / cu / cr film has been widely used in mcm - d

    Cr cu cr是目前常用薄膜互連結構。
  16. The study of heat and mechanics of cu - ti - sn - cr alloys

    鉻合金熱學及力學性能研究
  17. Crevice corrosion of the shape memory alloy cu - zn - al

    形狀記憶合金的縫隙腐蝕
  18. Formation of amorphous phase in binary immiscible cu - ta system

    體系非晶相的形成
  19. Jgs - 2000 extractor equipment part of set of cu

    切割機器配套除塵設備jgs - 2000 g型
  20. Giant magnetoresisitance in co ni cu granular ribbons

    系列金屬條帶的巨磁電阻效應
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