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- Mercury in crude gold has been determined directly without separation by AAS with potassium thiocyanate as the masking reagent for gold and SnCl_2as reductant to reduce mercury into the vapour atomic mercury in NaOH medium. 以硫氰酸甲作金的掩蔽剂,用SnCl_2在强碱介质中还原化合汞为原子汞进行汞的冷原子吸收测定。
- Both the limiting proportions of foreign ions in the absence and in the presence of masking reagents have been found experimentally.Small amounts of bery... 应用该试剂可检出铜合金中的少量铍,而不需预先分离。
- COMPUTER TREATMENT OF ACIDITY CONDITIONS OF REACTIONS BETWEEN ORGANIC AGENT AND METALLIC ION WHEN MASKING REAGENT IS PRESENT 具掩蔽剂存在金属离子与有机试剂反应适宜酸度条件的计算机处理
- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- Capable of masking or neutralizing odors. 可除臭的可以掩臭或中和臭气的
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- masking reagent 掩蔽试剂
- The reagent possesses specificity for water. 这种试剂对水有特殊的作用。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- L-Methyl glyoxylate is an important chiral reagent. 二羟乙酸L-薄荷酯是一种重要的手性试剂。
- This reagent attacks feldspars and dark minerals. 这种反应物质侵蚀长石和音色矿物。
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
- For a moment his mask of benevolence fell and the real man was revealed. 一刹那间，他慈善的假面扔掉，露出了他的真面目。
- A base, ungenerous wretch who under the mask of friendship has undone me. 有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。
- Luoyang Tiancheng Chemical Reagent Co., Ltd. 洛阳天骋化学试剂有限公司。
- Tianjin Damao Chemical Reagent Co., Ltd. 天津大茂化学试剂公司。
- A mask, in the character of an old woman, joined them. 一个戴着假面具扮演老妇的人加入了他们的行列。
