chalk powder 中文意思是什麼

chalk powder 解釋
白堊粉, 碳酸鈣
  • chalk : n. 1. 白堊；粉筆。2. 用粉筆畫的記號；〈英國〉（比賽）得分紀錄，記入借方的款項。3. 〈美俚〉牛奶。vt. 1. 用粉筆寫[記下]。2. 用白堊粉擦；使蒼白。3. 打…的圖樣。
  • powder : n 1 粉，粉末。2 （搽臉的）香粉；牙粉；發粉。3 （一服）藥粉；粉劑；散。4 塵土，泥屑；雪糝。5 炸藥...
  1. Taking the brown alumina powder and french chalk as the refractory, the silicasol and dextrin as the composite binder, the western bentonite and sodium carboxymethyl cellulose ( cmc ) as the composite suspension agent, the optimum mixing ratio of the water - based coating was established by the method of orthogonal experiments

    摘要選用棕剛玉粉及滑石粉為耐火填料，以硅溶膠及糊精為復合粘結劑，以鈉基膨潤土和羧甲基纖維素鈉（ cmc ）為復合懸浮劑，通過正交試驗方法確定了最佳配方。
  2. We have developed the grain size varies among 2um to 15um grade superfine powder and the yearly output of which comes up to 20, 000 tons. our products mainly consist of calcite powder, french chalk, active coarse whiting and other jinshi brand series superfine powder, which are welcomed in the more than 10 provinces and districts markets. the company has owned a calcite mine, and the calcite storage capacity has reached to more than 2 million tons

    99年公司投資1500萬元引進細川德國alpine公司先進超細粉碎分級設備流水生產線，屬國內領先水平，開發了粒徑為2um - 15um級的超細粉體（年生產量2萬噸） ，主要生產方解石粉、滑石粉、硅灰粉、活性重鈣等金石牌系列超細粉體，暢銷國內10多個省市，產品深受各地用戶親睞。
  3. Shaking will settle the chalk powder down

    晃一晃把粉筆末抖落下來。
  4. Laboratory efficacy criterions of public health insecticides for pesticide registration - poison powder and poison chalk

    農藥登記衛生用殺蟲劑的室內藥效評價毒粉毒筆
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