氟乙烯聚體 的英文怎麼說

中文拼音 [fúyǐxījùtǐ]
氟乙烯聚體 英文
vinyl fluoride polymers
  • 烯 : 名詞[化學] （有機化合物的一類） alkene; olefince
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 體 : 體構詞成分。
  1. First, rubber sponge balls are mainly synthesized with silicone rubber. in addition, tubular membrane is dominatingly made of polyvinylidene fluoride ( pvdf ) with the integrated production technology and the membrane is tested with self - made leak hunting device

    首先，以硅橡膠為主要原料合成生產了海綿橡膠球；另外，以聚偏氟乙烯（ pvdf ）為主要原料用管式膜一體化技術生產了管式膜，並通過自行設計的檢漏裝置對管式膜進行檢測。
  2. Shipboard radio - frequency cables radio - frequency coaxial cables with ptfe insulated copper conductor, rated charaeteristic impedance 50

    船用射頻電纜.額定阻抗50銅導體實芯聚四氟乙烯絕緣同軸射頻電纜
  3. Shipboard radio - frequency cables radio - frequency coaxial cables with ptfe insulated coppor clad, steel conductor rated characteristic impedance 75

    船用射頻電纜.額定阻抗75銅導體實芯聚四氟乙烯絕緣同軸射頻電纜
  4. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  5. After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method

    經過查閱大量國內外文獻資料后確定原料為：聚四氟乙烯樹脂為基體，加入石墨、二硫化鉬、銅粉、碳纖維等填料；試驗方法為：根據均勻試驗方法設計配方，用樣條函數找出配方與摩擦性能的關系，然後在擬合曲線上選取具有代表性的試驗點進行驗證試驗，達到優化的目的；制備工藝：冷壓燒結法制備固體潤滑劑。
  6. 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 。
  7. Poly ( vinylidene fluoride ) ( pvdf ) hollow - fiber porous membranes have excellent performances. but adsorption fouling will still be created on the hydrophobic surface when the membranes are used in aqueous solution separation systems. this can cause the decrease of the permeate flux and separation efficiency, thus the applications of the membranes are limited

    聚偏氟乙烯（ pvdf ）中空纖維多孔膜具有優良的性能，然而由於其表面的疏水性，在用於水相體系分離時，仍會產生吸附污染，導致膜通量和分離效率下降，應用范圍受到限制。
  8. Testing methods for polytetrafluoroethylene aqueous dispersion

    聚四氟乙烯水分散體的試驗方法
  9. Standard specification for aqueous dispersions of polytetrafluoroethylene

    聚四氟乙烯的水分散體的標準規范
  10. In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films

    在實驗中採用高能輻射技術，先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上，后經氯磺酸磺化反應引入磺酸基團，合成了滿足燃料電池性能要求的質子交換膜。
  11. In this paper, the structure characteristics and lubricating theory of teflon is studied, and tribology capability of teflon is researched on four - ball machine, and the serviceability and development of teflon used as lubricant additive is discussed

    摘要研究了固體潤滑劑聚四氟乙烯的結構特徵和潤滑原理，使用四球摩擦試驗機研究了聚四氟乙烯的摩擦學性能，探討了聚四氟乙烯作為潤滑添加劑的應用現狀與發展前景。
  12. It has an expanded network composed of superfine fibers and joints

    膨體聚四氟乙烯生料帶並具有韌性好、縱向強度高、橫向易於變形的特點。
  13. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型，在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒，認為只有那些既有質子傳輸通道，又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流，而其餘胞元不產生電流，把電極的輸出電流轉化成一個概率事件。
  14. Chem - pure npp and npvdf valves are not usually specified with epdm diaphragms. however, they can be field fabricated by purchasing an epdm diaphragm for replacement in a ptfe trimmed valve

    在製造期間，閥體上的法蘭的隔膜密封表面可以進行特別的預制，以強化聚四氟乙烯隔膜的密封性能。對于配置橡膠隔膜的閥體並進行這道最後的工序。因此，聚四氟乙烯隔膜無法替換配置三元乙丙橡膠閥內件的閥門。
  15. For pf series chemical pump, its body, cover, impeller, and components in contact with the medium handled are all made of die stamped or injection mould pvdf or reinforced polypropylene

    Pf系列化工泵，其泵體，泵蓋，葉輪及其輸送介質接觸的零件均採用聚偏氟乙烯或增強聚丙烯模壓加工或注塑加工而成。
  16. The part of impeller and his transport medium contact all use assembling partial fluorine ethylene or strengthen the process or mould plastics that the polypropylene mould pressinges and process and becomes the pump cover his pump aspect pf ( fs ) mould chemical industry pump

    型化工泵，其泵體，泵蓋，葉輪及其輸送介質接觸的零件均採用聚偏氟乙烯或增強聚丙烯模壓加工或注塑加工而成。
  17. Gas permeation behavior across expanded polytetrafluoroethylene membranes

    膨體聚四氟乙烯膜氣體透過行為的研究
  18. Hydrodyamical assessment of valve prosthesis made of expanded ultra - microporous teflon in vitro

    超微孔膨體聚四氟乙烯人工心臟瓣膜體外流體力學的評價
  19. Measurement of 27 ultramicroporous expanded polytetrafluoroethylene mitral valve under pulstile flow in vitro

    超微孔膨體聚四氟乙烯人工二尖瓣體外脈動流性能檢測
  20. Expansion concept of ptfe dispersion resins and concerned parameters are introduced, and processing procedures, method and devices are reviewed in combination with examples. performance and its application are introduced

    摘要介紹了聚四氟乙烯分散樹脂膨體化的概念和有關參數，結合實例敘述了其加工工藝、方法和設備。介紹了膨體聚四氟乙烯製品的性能及其應用。
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