...直接测定 [gap=1075]mmonium persulfate； 1,5-diphenylcarbohydrazide； Spectrophotometry；Cross linking；Direct determination ...
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direct determination method 直接确定法
weights direct determination 权值直接确定
simultaneous direct determination 直接同时测定
direct determination of lead 微量铅的测定
direct determination of oxygen 氧的直接测定法
rapid and direct determination 快速直接测定
raw urine direct determination 直接测量
Hence MBI modified gold electrode possible be used to the direct determination of copper in complex samples.
可望用于复杂样品中铜的直接检测。
参考来源 - 化学修饰电极用于复杂样品中重金属的直接伏安检测A method for direct determination of lanthanum and cerium content in magnesium alloys by inductively coupled plasma atomic emission spectrometry(ICP-AES)was studied. The optimal working parameters and analytical lines were determined.
采用电感耦合等离子体原子发射光谱法直接测定镁合金板中镧和铈,优选了适宜的仪器测定参数和分析谱线,研究了基体效应、共存元素对待测元素的干扰及干扰校正方法。
参考来源 - 电感耦合等离子体原子发射光谱法分析镁合金板中镧铈·2,447,543篇论文数据，部分数据来源于NoteExpress
The method was applied to direct determination of nitrite in collapse lake water, fishpond water, power plant waste water and well water with satisfactory results.
应用该法直接测定煤矿塌陷湖水、鱼塘水、电厂废水和地下水中的亚硝酸根获得满意结果。
The proposed method is simple, convenient and highly sensitive, which can be applied to direct determination of hydrogen peroxide in rainwater with satisfactory results.
该法具有所用仪器简单，操作方便，灵敏度高等特点，应用于雨水中微量过氧化氢的测定，结果满意。
Volatile ions are trapped in slightly basic or acidic absorption solutions for subsequent direct determination by ion chromatography, voltammetry or atomic spectroscopy.
挥发性的离子被带少许碱性或酸性的吸收溶液收集，然后对其进行离子色谱、伏安法或原子分光谱分析。
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