four ball test 中文意思是什麼

four ball test 解釋
四球試驗
  • four : n 1 四人小組；（套在車上的）四匹馬。2 四的記號；（骰子的）四點；（鐘點的）四時；四歲。3 〈pl 〉 ...
  • ball : n 鮑爾〈姓氏〉。n 1 球；球狀物。2 球戲，（特指）棒球；【棒球】壞球 （opp strike） 3 【軍事】子彈...
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. Test method for determination of the coefficient of friction of lubricants using the four - ball wear test machine

    用四球磨損試驗機測定潤滑油摩擦系數的試驗方法
  2. Standard test method for determination of the coefficient of friction of lubricants using the four - ball wear test machine

    用四球磨損試驗機測定潤滑劑摩擦系數的標準試驗方法
  3. Series 774xdcda contains two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks and a hydraulically balanced metered bypass line to detect low flows

    系列774xdcda包含兩個獨立運行的止回閥，位於兩個彈性閥座關閉閥之間，並配置四個球閥型測試旋塞，以及一個液壓平衡儀表旁路管線用於檢測低流量。
  4. Wear preventive characteristics of lubricating fluid four - ball method, method of test for

    潤滑液防磨性試驗方法
  5. Standard test method for wear preventive characteristics of lubricating fluid four - ball method

    潤滑液防磨損特性的標準試驗方法
  6. Test method for measurement of extreme - pressure properties of lubricating fluids four - ball method

    潤滑液極壓特性測量的試驗方法
  7. Standard test method for wear preventive characteristics of lubricating grease four - ball method

    潤滑脂耐磨特性的標準試驗方法
  8. The tribological characteristics of ultrafine ws2 powders added in engine oil have been investigated by four - ball machine test, and compared with chloroparaffins ( t302 ) and molybdenum disulphide ( mos2 ), and meanwhile we have analyzed the tribochemical species of the worn surface by means of x - ray photoelectron spectroscope ( xps ), to research the lubricating mechanism of ws2

    摘要採用四球摩擦實驗機對二硫化鎢超細粉末在發動機油中的摩擦學性能進行了研究，並與添加劑氯化石蠟和二硫化鉬進行了比較，同時用x射線光電子能譜儀對磨痕表面元素進行分析，以探討二硫化鎢的潤滑機理。
  9. Test method for wear preventive characteristics of lubricating grease four - ball method

    潤滑脂耐磨損特性試驗方法
  10. Standard test method for measurement of extreme - pressure properties of lubricating grease four - ball method

    潤滑脂極壓性能的標準試驗方法
  11. Standard test method for measurement of extreme - pressure properties of lubricating fluids four - ball method

    潤滑油極壓特性測量的標準試驗方法
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