free silica

常見(jiàn)例句

雙語(yǔ)例句

• A method for chemical phase analysis of free silica in limestone was discussed in this paper.
  介紹了石灰?guī)r中游離二氧化硅的化學(xué)物相分析方法。
• Free silica in geological exploration dust is measured by both Xray diffraction and pyrophosphoric acid methods.
  對(duì)粉塵中游離二氧化硅含量進(jìn)行了X線衍射法和焦磷酸消化法的對(duì)比測(cè)定。
• Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
  本文介紹了應(yīng)用X射線衍射儀測(cè)定礦山呼吸性粉塵中游離二氧化硅含量的基本原理、實(shí)驗(yàn)條件以及操作過(guò)程、方法步驟等。
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