查询词典 impurity

The sample was diluted by water containing a little amount of sodium chloride, and then extracted by hexane, purified by oil of vitriol to decrease impurity. The extracted solution was analyzed by GC-ECD and quantified by external standard method.

试样加水稀释，加入少量氯化钠，再用正己烷提取，浓硫酸净化样品，排除干扰杂质，以GC-ECD测定，外标法定量，六六六和滴滴涕在0.005~0.2μgmL^(-1)范围内，质量浓度与峰面积呈良好的线性关系。

Our pure Nickel plate has typical purity grade of 99.95% and 99.999%. Typical impurity specifications are listed below

我们生产的纯镍块的纯度均为99.95-99.999%，主要的杂质含量分析表如右

A method was developed for the determination of trace impurity affecting ultraviolet transmittance in ethylene glycol.

建立了测定乙二醇中影响紫外透光率的痕量杂质的方法。

I Thess. 7 For God has not called us for the purpose of impurity, but in sanctification.

上帝召我们，本不是要我们沾染污秽，乃是要我们成为圣洁。

Such S/D engineering are referring to the design of doping impurity distribution between S/D and channel region.

源/汲极制程即是指在源/汲极与通道间之掺杂离子浓度分布之设计。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"