2) Air and waste gas
空气和废气
1.
The study on the determination of caprolactam in air and waste gas with Reserved\|Phase HPLC;
反相高效液相色谱分析空气和废气中己内酰胺的方法研究
2.
The main factors,effecting determination of the sampling volumn in the monitoring of air and waste gas samples by the enriching sampling method,are discussed in the paper.
讨论了富集采样法监测空气和废气样品时确定采样体积的主要因素,给出了富集采样法监测空气和废气样品时采样体积的确定方法和实例。
3) ambient and polluted air
空气和废气
1.
In this paper, KI,H 2O and CCl 4 were used to absorb ClO 2 in the ambient and polluted air.
利用 KI,H2 O,CCl4 作吸收溶剂 ,采用溶液吸收法采集空气和废气中 Cl O2 ,吸收后再用紫外分光光度法或滴定法分析 。
2.
The GC determination of aldehydes and ketones in ambient and polluted air was reported.
以2,4-二硝基苯肼酸性饱和溶液吸收空气和废气中的醛和酮,所形成的腙衍生物用毛细管气相色谱分析。
4) gas and atmosphere
煤气和空气
5) nitrogen and krypton
氮气和氨气
6) N_2 and O_2
氮气和氧气
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1.象声词。
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