聚四氟 的英文怎麼說

中文拼音 [jùsìfú]
聚四氟 英文
ptfe polytetrafluoroethylene
  • 聚 : 動詞（聚集; 聚積） assemble; gather; get together
  • 四 : Ⅰ數詞（三加一后所得） four Ⅱ名詞1 [音樂] （中國民族音樂音階上的一級） a note of the scale in gong...
  1. Specification for high temperature convoluted hose assemblies in polytetrafluoroethylene for aerospace applications

    航空航天用聚四氟乙烯高溫盤旋狀軟管組件規范
  2. Opc - based dcs control system in paper - making process

    聚四氟乙烯的塗裝前處理工藝
  3. It is advisable to fit all the ground glass joints with polytetrafluroethylene sleeves to prevent their sticking together.

    最好把所有的磨光玻璃接頭都裝上聚四氟乙稀套管，以防止它們粘在一起。
  4. Production and application of thrust bearing, and guide bearing made of filled ptfe in submarine motor pump are introduced

    介紹了潛水泵中止推軸承與導向軸承用填充聚四氟乙烯材料進行的生產和應用。
  5. Abstract : the deposited film with magnesium / polytetrafluoroethylene ( mg / ptfe ) material is produced by physical vapor deposition. the infrared radiation property of mg / ptfe material is tested by using the infrared radiation meter. the results demonstrated that this material has stronger infrared radiation in 1 3 m wave length. it shows that produced infrared radiation pyrotechnic material by physical vapor deposition is feasible

    文摘:採用物理汽相沉積法設計製作了鎂/聚四氟乙烯沉積膜材料，並用紅外輻射計對其紅外輻射性能進行了測試，測得該材料在1 3 m波段有較強的紅外輻射，說明這種方法製作紅外輻射煙火材料是可行的。
  6. Large sections of bridge deck are pushed out over the piers on rollers or sliding teflon bearings.

    將橋面的巨大節段在滾軸或滑行聚四氟乙烯支撐板上推過橋墩。
  7. Stainless steel shaft bearings coated with nickel - reinforced ptfe for perfect stem guiding and smooth closing

    不銹鋼軸軸承外層塗敷鎳強化聚四氟乙烯，用於完善閥桿導向和平滑關閉。
  8. Filled polytetrafluoroethylene slideway soft strips

    填充聚四氟乙烯導軌軟帶
  9. Techique specification of filled polytetrafluoroethylene slideway soft strips

    填充聚四氟乙烯軟帶導軌.技術條件
  10. The alkali content detecting using teflon crucible instead of platinum pot

    以聚四氟乙烯坩堝代替鉑皿測定堿含量
  11. Ptee do not adaptable to diffusion silicon

    聚四氟乙烯不適用擴散硅
  12. Function of compensation lead cable which used for thermocouple is to prolong cold end of thermocouple, and composing system for measuring temperature by connecting with temperature meter. adopting high - quality import teflon insulation and sheath advanced technologic production chain, makes products owning good performance of resistance to high low temperature acidproof anticorrosive antiaging long - term using in oil, etc. normal working temperature is - 40 275

    熱電偶用補償導線電纜的作用是來延伸熱電偶的冷端，與測溫儀連接構成測溫系統，產品選用進口優質聚四氟乙烯絕緣和護套，並採用先進擠出設備新工藝流水生產線，具有耐高溫低溫，耐酸堿，防腐，耐老化等優異性能，可浸入油水中長期使用，正常工作溫度- 40 275 。
  13. 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
  14. 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
  15. Made of polytetrafluoethylene resin added with a certain volume of colouring agent shaped as blank by moulding and sintering, then through cutting and rolling to have the stereospecific and non - stereospecific coloured film in 13 kinds of colour i. e. red, green, yellow, violet, brown, black, orange, white and etc

    用聚四氟乙烯樹脂加入一定量的著色劑后經模壓，燒結製成坯料再經車削，壓延製成紅、綠、藍、黃、紫、棕、黑、橙、白等十三種顏色的聚四氟乙烯定向或不定向彩色薄膜。
  16. The basic characters of ptfe ( polytetrafluoroethylene ) were described. diversified correlatively modified and composite techniques were introduced. application of the concerned composite materials in the several heat exchangers were comprehensively stated

    摘要對聚四氟乙烯的基本性能特點作了簡述，介紹了與換熱設備相關的聚四氟乙烯材料各種改性復合技術的發展現狀，並對這些技術在各種換熱器上的應用作了綜合介紹。
  17. Plunger extrusion molding mechanism of ptfe is introduced, process method and equipments for extrusion molding are also reviewed

    摘要介紹了聚四氟乙烯懸浮樹脂柱塞擠出成型的原理，敘述了擠出成型加工的工藝方法及設備。
  18. 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。
  19. 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。
  20. 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 。
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