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- Free silica in geological exploration dust is measured by both Xray diffraction and pyrophosphoric acid methods. 对粉尘中游离二氧化硅含量进行了X线衍射法和焦磷酸消化法的对比测定。
- 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. 本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
- The mechanism of fibrosis caused by free silica particles involves a lot of cells and reactions including inflammatory reaction,immunological reaction,foreign body reaction and cell toxic action. 游离二氧化硅致肺组织纤维化机制十分复杂,涉及多种细胞及生物活性物质参与的炎症反应、免疫反应、异物反应、细胞毒作用等。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
- He is given a free ticket to the exhibition. 有人给他一张免费参观展览的票。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。
- We'll eat at whichever restaurant has a free table. 哪个饭馆有空桌我们就在哪儿吃吧。
- The politician cops out on the issue of free trade. 那政客对自由贸易的问题只是一味逃避。
- Application of the accumulated effect value of dust containing free silica on lung 含游离二氧化硅粉尘累积肺作用值的应用
- At once he slew him and set Io free. 他立刻杀死了阿尔戈斯，放掉了伊俄。
- Free will makes us able to choose our way of life. 自由的意志使我们可以选择自己的生活方式。
