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测定高
度四甲基氯化铵中钠、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测定高度四甲基氯化铵中钠、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.
目的研究服用苯妥英钠（DPH），癫
（EP）
唾
与血清中DPH度关系，探讨测定唾中DPH度替代血药度的可行性。
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
度的测定一般使用滤膜称重方法测得,该方法费时费力,且不能得到瞬时度的变化。
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