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- As and Se determination 砷、硒测定
- The higher the acidity of solvent, the higher the solubility of As and Se in it. 溶提剂酸度愈高,对飞灰中砷、硒的溶解率也愈高。
- The method has been applied to the determination of As and Se in CRMs' . The results are in agreement with certified values with RSD (As)<5.8% (n=5) and RSD (Se)<7.2% (n=5). 通过对食品标样分析表明;测定结果与标准值相符;相对标准偏差(n=5)砷小于5.;8%25;硒小于7
- The proposed was method meet with the needs of practical analysis of As and Se in surface water, ground water and waste water. 精密度与准确度试验结果满意，该法可满足地表水、地下水及废水中砷和硒的测试要求。
- The proposed was method meet with the needs of practical analysis of As and Se in surface water,ground waterand waste water. 精密度与准确度试验结果满意,该法可满足地表水、地下水及废水中砷和硒的测试要求。
- Determination of Milligram As and Se in Drinking Water by GAAS 石墨炉原子吸收法快速测定饮用水中微量砷、硒
- Simultaneous determination of As and Se in water by double channels AFS 应用双道原子荧光光度计同时测定水中砷和硒
- We'll decide on our team as and when we qualify for the competition. 我们来决定自己的队到什么时候才有资格参加比赛。
- We'll decide on the team as and when we qualify. 将来我们具备了条件时就会决定成立这个队。
- About 15 species: S and SE Asia, N Australia; one species in China. 大约15种：亚洲南部和东南部，澳大利亚北部；中国有1种。
- I'll tell you more as and when,ie as soon as I can. 有可能时我再多跟你说.
- Use examples as and when appropriate. 请适当举例说明。
- Hg ?Cd?Pb?As and Cr are common industry wastage. 汞、镉、铅、砷、铬等是工业废物中常见的重金属。
- THE DETERMINATION OF AS AND SE IN FLOUR BY MICROWAVE DIGESTED-HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETRY 面粉中砷和硒的微波消解-氢化物发生原子荧光测定法研究
- Determination of As and Se in Soils by Microwave Digested-Hydride Generation Atomic Fluorescence Spectrometry 微波消解-氢化物发生原子荧光光谱法测定土壤中砷和硒
- A method of access in which data transfers through input/output channels are made only as and when called for in a user program. 一种存取方法，只有当用户程序提出请求时，才能实现通过输入输出通道的数据传输。
- Determination of trace As and Se in running water samples by hydride generation atomic fluorescence spectrometry 氢化物原子荧光法测定饮用水中微量砷和硒
- Determination of Trace As and Se in Clinical Samples by Hydride Generation Atomic Fluorescence Spectrometry 氢化物发生原子荧光光谱法测定临床样品微量砷和硒
- They can also buy bonds as and when new issues are launched. 他们也可以在有新债券发行时购买。
- I'll tell you more as and when (= as soon as I can). 我一有可能就会告诉你更多情况。
