超純金屬 的英文怎麼說

中文拼音 [chāochúnjīnzhǔ]
超純金屬 英文
ultra pure metal
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 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...
  • : 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...
  • 金屬 : metal
  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導材料、合材料、永磁材料等。
  2. High - purity transition metal evaporation source for uhv

    高真空中使用的高過渡蒸發源
  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;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 。
  4. It is based on the exothermic reaction of the corresponding metal nitrates with a reducing agent and yields extremely fine - grained ashes that readily convert into pure znfe2o4 when treated thermally

    該法是在還原條件下,以相應的硝酸鹽的放熱反應為基礎從而產生了細粉末,然後通過加熱使其轉化為的znfe _ 2o _ 4相。
  5. The precious stone globe is an exquisite art, which is made in proportion to different shape and distribution of every county. through thirfy intricate and elaborate handmade steps, it is made by nearly thirty kinds of natural precious stones. the eastern & western hemisphere equator, meridians and woof are respectively marked on the surface of the globe with gold lines and silver lines, and the names of all countries are signed in chinese of english. with pure cupric frame supporting it, it is such an elegant and valuable art. it represents high class of its owner as well as nobleness of successful people. in addition, it is a splendor gifts to your friends and adds more loyalty and high status to companies as well as families

    本公司生產的寶石地球儀系列,是一項精工藝藝術品,它是根據世界各國地形及海域分佈按其標準比例,採用近三十種天然寶石,經過近三十套復雜而精細的手工序組砌而成,並採用銀線標出各國家和地區的名稱,再配以設計精巧的銅立體架製作而成,一種極富典雅風范,又具收藏價值的高級藝術品,它代表著擁有者之高尚品質,又意味著成功者之尊貴地位,更是高層人士之饋贈寶物,其作為公司及家庭之藝術陳列,更添皇室風采,氣派非凡。
  6. Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed

    本論文以分析niso4 、 naoh為原料,採用冷凍乾燥技術成功的制備了50nm左右的球狀細鎳粉,通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵,研究了細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶態鹽到晶態細鎳粉的轉變過程。
  7. In the interests of the stability and integrity of the financial system i did, exceptionally, make comments in public to try to dampen the potentially adverse impact of the leap - frogging

    為保持融體系穩定及健全,我曾罕有地發表一些言論,試圖緩和最優惠利率加的潛在不利影響,但我同時強調存貸息率仍然銀行本身的決定。
  8. 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度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。
  9. 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高速發射對梯度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度飛片的復合體系,並測量了材料的相關聲學和力學參量。
  10. Much attention has been paid on pure or doped zirconia thin films because of their high melting point, low heat conductivity, high ionic conductivity and chemical durability. in the case of metal - oxide - semiconductor ( mos ) devices and high - temperature superconductor ( hts ) wires, zirconia epitaxial thin films are promising buffer layers and have been intensely studied in the past two decades

    的或摻雜的氧化鋯薄膜因其高熔點、低熱導率、高離子導電能力和高溫化學穩定性而受到相當的重視,而且氧化鋯外延薄膜在氧化物半導體( mos ) 、高溫導帶材等領域的應用受到越來越多的關注。
  11. Purification and renaturation of recombinant human cu, zn - sod by metal - chelating affinity chromatography

    螯合親和層析化和復性重組人銅鋅氧化物歧化酶
  12. In addition, the effective combination technologies of ultrasonic, microwave, alternating current deposition, supercritical fluid drying with traditional liquid methods is the most promising one to prepare high purity, small size and well - proportioned dispersing nano - particles

    聲技術、微波輻射技術、交流電沉積技術、臨界流體乾燥技術、非水溶劑水熱技術等新技術與傳統液相法的有機結合,是制備高度、小粒徑、均勻分散的氧化物納米粉體的最有前途的方法。
  13. Although the drug - coated devices cost more than $ 2, 000 on average, compared with $ 800 or so for bare metal devices, they rapidly su lanted the older desig in the united states and now account for 85 percent to 90 percent of the market

    盡管這種藥物塗層血管支架平均價值過2000美元,比800美元的器械貴得多,但是這種器械卻在美國很快取代了老的器械,現在已經佔有85 %到90 %的市場份額。
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