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- Keywords heteropoly compound;antimony tetroxide;catalytic membrane;isobutylene;selective oxidation;methacrylic acid; 杂多化合物;氧化锑;催化膜;异丁烯;选择氧化;甲基丙烯酸;
- Keywords heteropoly compound antimony tetroxide catalytic membrane isobutylene selective oxidation methacrylic acid methacrolein; 杂多化合物;氧化锑;复合催化膜;异丁烯;选择氧化;甲基丙烯酸;甲基丙烯醛;
- antimony tetroxide 四氧化二锑
- Antimony abounds in out country. 我国盛产锑。
- Antimony adds to the rigidity of the casting. 锑能增加铸件的硬度。
- Antimony abounds in our country. 我国盛产锑。
- Antimony was found nausea and trouble! 锑恶心的麻烦有人揭发!
- The Au-bearing antimony ore is with high As. 矿石为高砷含金锑矿石。
- The main factor in the market is that the supply of Chinese antimony is quite limited. 市场的中心因素是中国对锑的供应有限。
- Any of various alloys of copper, with or without tin, and antimony, phosphorus, or other components. 铜合金铜与锡、锑、磷或其物质构成的一种合金，含锡，也可不含锡
- The percentage of antimony may be left to the battery manufacturer. 锑的百分含量由各蓄电池生产厂自己掌握。
- Osmium tetroxide is an expensive reagent with great toxicity. 四氧化锇是一种贵而毒性大的试剂。
- Alkuhl, Arabic for "antimony powder", became our alcohol. 阿拉伯语中的 alkuhl(锑粉)演化成我们的alcohol(酒精)。
- Type metal The alloy for cast type, comprising lead, tin and antimony. 活字金属铸造活字的合金,由铅,锡和锑组成。
- Type metal: The alloy for cast type, comprising lead, tin and antimony. 活字金属:铸造活字的合金，由铅，锡和锑组成。
- High concentrations of antimony can cause nausea, vomiting and diarrhea. 高浓度的锑会导致恶心、呕吐和腹泻。
- Examples of fixatives are formaldehyde, osmium tetroxide, ethanol, and acetic acid. 像甲醛、锇酸、酒精及乙酸等都是常用的固定剂。
- These companies did not have the know-how to cast grids of lower antimony content. 这些制造厂没有掌握铸造这种低锑合金的技能。
- For other purposes, its hardness and strength can be improved by adding various amounts(up to 12% ) of antimony alone. 对于其他用途来说，只消在铅中加进不同量的锑(不超过12%25)，就可提高其硬度和强度。
- The design and structure of nitrogen tetroxide concentration monitor are introduced. 介绍了四氧化二氮毒气浓度监测仪的设计思路和组成结构。
