... trace command ==> 跟踪指令 trace concentration ==> 痕量浓度 trace conditioned reflex ==> 痕迹条件反射 ...
基于136个网页-相关网页
concentration trace 示踪浓度
serum trace mineral concentration 血清微量元素含量
concentration trace fertilizer 微肥浓度
Concentration of Trace element 微量元素的含量
Differences in the concentration of trace elements are related to the climatic conditions and land use of the area.
不同地区地下水的微量元素浓度差异与气候状况、土地利用程度密切相关。
Based on correlation coefficients and principal component analysis, fe and al were selected as the concentration normalizer for the different trace metals.
由相关系数和主成份分析，选择铁和铝作为沉积物中痕量金属浓度的均一化元素。
The principle and test method of using adsorptive stripping voltammetry to determine the mass concentration of trace iron in boiler water of thermal power generating units are described in this paper.
介绍了用吸附溶出伏安法测定火力发电机组锅炉用水中微量铁质量浓度的原理和试验方法，并对多组试验数据进行了分析和讨论，从而得出测试参数的最佳选取值。
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