洛氏硬度數 的英文怎麼說

中文拼音 [luòshìyìngshǔ]
洛氏硬度數 英文
rockwell hardness number
  • : 1. (洛陽的簡稱) short for luoyang2. (姓氏) a surname
  • : 氏名詞1 (姓) family name; surname 2 (放在已婚婦女的姓后 通常在父姓前再加夫姓 作為稱呼) née : ...
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 數副詞(屢次) frequently; repeatedly
  • 度數 : number of degrees; readings; dimensionality; degree
  1. The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll. now the research and production of the high speed steel for roll are very drastic. in this thesis, the microstructure, heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph, method of lattice, xrd, sem, eds and hardness

    本文利用金相法(包括黑白金相和彩色金相) 、 x射線衍射( xrd ) 、掃描電子顯微鏡( sem ) 、能譜( eds )及分析儀等手段,對復合軋輥用高速鋼fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊註明均為質量分)合金系的顯微組織、熱處理工藝及性能進行了系統地分析。
  2. That degree of hardness accounts to be applicable to the black metals and have the color metals with the degree of hardness measurement of the nonmetal material

    液晶屏計適用於黑色金屬、有色金屬和非金屬材料的測定。
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