金屬純度 的英文怎麼說

中文拼音 [jīnzhǔchún]
金屬純度 英文
metal purity
  • : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
  • : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 金屬 : metal
  • 純度 : fineness; pureness; purity; purity quotient; rate of purity
  1. High purity gallium metal is the basic ingredient for semiconductor compound material, and it is also highly utilized in the manufacture of super conductor material, alloy, alnico etc

    鎵是生產化合物半導體材料的基礎材料,同時它還可以用於生產超導材料、合材料、永磁材料等。
  2. 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、形狀及可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫及分解溫降低,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;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;聚四氟乙烯樹脂在空氣冷卻時結晶最大,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,在表面均可形成潤滑轉移膜,從而減少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 。
  3. Solder bar is made from high purity metal. by means of strict qualitg control the oxide and metallic and non - metallic impnrities and effectively minimized, the available high purity solder bar is with uniform and glazed surface good wetting and spreading ability after molten bright joint and minimum oxide residue after soldering. our product is suitable for wave and handwork soldering with high quality requirement

    本公司生產焊錫條採用高原料,在嚴格品管條件下,有效控制氧化程以及和非雜質含量,焊錫條表面均勻光滑,極高,熔化后流動性好,潤濕性極佳,焊點光亮,氧化渣物極少發生,適用於高品質要求的各種波峰焊和手工焊。
  4. The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge

    採用改進的次氯酸鹽氧化法(濕法) ,以工業級的原料,在實驗室內,從1到4倍率規模合成高、高收率的fe ( )化合物起始物? ?高鐵酸鉀,可達98 、收率在80以上;再以高鐵酸鉀為原料合成堿土fe ( )化合物或其他fe ( )復合物,其中堿土fe ( )化合物可達94以上。
  5. The amount of the goal protein was evaluated by densitometric scanning. it indicated that the product of the vp2 gene was 14 % of total bacterial protein of dh5a

    表達產物經ni - nta鏊合層析柱化后,得到了較高的6his - vp2融合蛋白。
  6. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括:結合光柵的矢量衍射理論和薄膜的橢偏理論,詳細分析了光柵的橢偏特性;並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片;在光柵參數的橢偏反演中,引入正單形法作為反演演算法,分別以各向同性的正弦形光柵和各向異性的階梯型光柵為例,在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演,在一定精范圍內得出滿意的光柵參數,說明光柵參數的橢偏測量是可行的;還就入射角的選取問題進行了一定的探討。
  7. Reverse osmosis is in a salt water such as raw water than natural infiltration to exert greater pressure on the pressure and make the water from the high concentration side infiltrate low concentrations party to the original edema water pressure to the membrane elements on the other side into pure water and raw water minor impurities, colloid, organic matter, heavy metals, bacteria, viruses and other harmful substances and are all retained from the sewage discharge into export

    反滲透就是在有鹽份的水中如原水施加比自然滲透壓力更大的壓力,使水由濃高的一方滲透到濃低的一方,把原水腫的水分子壓到膜的另一邊變成凈水,而原水中的細微雜質膠體有機物重細菌病毒及其他有害物質都統統截留下來並經污水出口排放掉。由於反滲透膜的孔徑僅0 . 0001
  8. In order to investigate the tolerance of ectomycorrhizal fungi to heavy metals in vitro, three culture methods, namely liquid culture without agitation, liquid culture with agitation and solid agar culture, were investigated to determine which method would give the best combination of fungal biomass and ec50. the results indicated that liquid medium without agitation was the best culture method

    為研究外生菌根真菌本身對重污染的耐性,比較了液體靜置、液體搖床和瓊脂固體培養這三種常用的菌絲體的培養方法,以真菌生物量大小和分離難易程為主要指標,篩選出液體靜置方法為最優方法。
  9. The series of dm tundish coating is necessary materials for replecting insulating board and realizing hign - effcieney continuous casting, they have the properties of coating uncracking, resist corrosion, decomposing, etc. compared with insulating board, they are not only have the low cost of per ton steel materials but also reduce the impurity in liquid steel, increasee the purity and improve the perfoumnce of liquid steed

    中間包塗料是替代絕熱板,實現高效連鑄的必用材料,具有易塗抹、不開裂、耐侵蝕、易解體等特點,與絕熱板相比不僅降低噸鋼耐材成本,而且減少鋼液中非雜質,提高鋼液的,改善鋼的性能。
  10. In this dissertation, nanometer zno thin films on si ( 100 ) substrates were prepared by using thermal evaporation technique following by two - step annealing process : high quality zno thin films and mgxzn1 - xo alloy films have been grown on si ( 100 ) substrates with mgo buffer layers by using thermal evaporation technique following by two - step annealing process

    本文介紹了採用電子束蒸發方法在si補底上制備出了高鋅膜,然後通過二次退火得到了具有六角結構的高質量氧化鋅多晶薄膜材料,另外,還採用電子束蒸發mgo薄膜作為緩沖層二次退火鋅膜的方法制備出了高質量氧化鋅多晶薄膜材料和mgzno合薄膜材料。
  11. Standard test method for trace metallic impurities in high purity copper by high - mass - resolution glow discharge mass spectrometer

    使用高質量解析輝光放電質譜儀測量高銅中痕量雜質的標準試驗方法
  12. To deal with gas separaion at high pressure and high temperature, inoghc membranes are used widely in the ligh of the production and the uitrahigh purity of hydrogen isotope requlred by some special professions and the defects of the current einpoyed membranes separation technology the preparation teehnology of high h - permselective membrane

    在涉及高溫、高壓環境下的氣體分離中,主要使用的是無機膜分離技術。針對特殊行業對氫同位素氣體處理量及超高的需求和現有膜分離技術存在的問題和不足,創新性地提出了利用耐熔鋯等對氫的高滲透性,制備高選擇滲氫膜的分離技術。
  13. In the present dissertation, five commercial metallic materials ? tungsten alloy ( 93w ), oxygen free copper ( ofc ), titanium alloy ( tc - t ), pure aluminum ( al ) and magnesium alloy ( mb2 ) were chosen as the composite system of the flier - plate with graded wave impedance, and their acoustic and mechanical parameters were measured. the thickness of each material was controlled so that flier - plates with a parabolic or cubic wave impedance distribution were designed

    依據實現準等熵壓縮和超高速發射對梯飛片體系的理論要求,論文首先在一個較寬的波阻抗變化范圍內,確定鎢合( 93w ) 、無氧銅( ofc ) 、鈦合( tc _ 4 ) 、工業鋁( al )和鎂合( mb _ 2 )五種綜合性能良好的和合材料作為波阻抗梯飛片的復合體系,並測量了材料的相關聲學和力學參量。
  14. As compared with amorphous diamond on si, the reduction of the applied electric field for the electron emission can be effectively improved by using sm / amorphous diamond contact

    我們發現非晶鉆石長在鍍釤的硅基板比單長在硅基板上的場發射特性更好,主要是因為有相對較低的功函數,可以降低鉆石接面的位障高
  15. Transmission electron micrographs showed that the resulted lanthanide were in the form of nanoparticles with an average primary particle size around 20 - 40 nm

    Tem測試結果表明真空條件下( 13 - 40pa ) ,熱分解制得的活性粉末的顆粒大小為20 - 40nm ,分散好且高。
  16. With ni2 + - lda - sepharose, the cbd tag was removed. according to the results of sds - page and western blot analysis, the product of outflow was the target protein lt a 27. the purity of lt a 27 was about 95 %

    運用niz +鰲合親和層析柱進一步快速化去除融合頭,上樣流出經sds一隊ge分析和western印跡分析ii1 :明得到的化產物為淋巴毒素缺失體蛋白lt凸27 , lt 2 :產物可達95 %以上。
  17. Abstract : the nature of carbon sludge remained during the producing of water glass from rice husk or rice straw is studied. the results show : during the producing of water glass, the new technology can get rid of metal impurties which have been formed undissolved compounds ; the undissolved compound can dissolved in acid ; the purity of water glass producing by new technology is as same as or higher than the purity of it wthich is produced by the tradional technology sometimes

    文摘:對用稻殼、稻草制備水玻璃所剩餘的炭渣進行了分析,給出實驗結果.結果表明:成分在水玻璃的制備過程中以難溶化合物的形式被除去;難溶化合物能與酸反應,轉化為可溶化合物;新技術制取的水玻璃溶液與傳統方法相比,相同,甚至更高
  18. Its dense metal membranes produce high purity hydrogen over a wide range of pressure and load

    以緻密堆積製成的薄膜可在大范圍的壓力與進料負荷下均可分離出燃料電池所需的氫氣。
  19. As the principal materials which are used as the high magnetic of hdd of computer mri and ct magnetic field hang float the railroad train motor of sound circle astro - airshop sound circle and engine etc. and the resposition hydrogen of the metal alloy manufacturing motive battery, these products are regarded as the new material industrial products in high scientific and technological circles

    等多種稀土及合產品,范圍99 - 99 . 9 % 。它們是當今世界認定的高科技領域新材料工業產品,是計算機磁盤驅動器的音圈電機vcm核磁共振成像儀mri磁懸浮列車航天飛船音圈馬達電機等所用高能磁體以及製造動力電池所用儲氫合的主要材料。
  20. Jewellery - fineness of precious metal alloys

    珠寶.貴
分享友人