A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.
文章采用离子色谱法
高浓度四甲基氯化铵中
、钾和钙金属离子。
A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.
文章采用离子色谱法高浓度四甲基氯化铵中、钾和钙金属离子。
The relation ship between the salivary and the blood Diphenylhydantoin (DPH) Levels in the epileptic (EP) patients with oral dosing DPH were studied.
目
研究服用苯
英（DPH），癫痫（EP）患者唾
与血清中DPH浓度关系，探讨唾中DPH浓度替代血药浓度可行性。
Weighing filtration membrane is often used to get the dust concentration of environment.However,this method is discommodious and can not get the instantaneous transformation of dust concentration.
环境粉尘浓度一般使用滤膜称重方法得,该方法费时费力,且不能得到瞬时粉尘浓度变化。
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