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1)  analysis sampling method
取样方法分析
2)  sampling methods of the chemical compositions
化学分析取样方法
1.
By manufacturing of tens of hot wall hydrogenation reaction chambers, the author has performed study on the merits or the demerits of the sampling methods of the chemical compositions analysis of stainless steel repair welding in the process of present manufacturing equipment and given some advice which offers the reference to the technical designers.
通过数十台热壁加氢反应器的制造,对现行设备制造过程中不锈钢堆层化学分析取样方法的利弊进行了探讨并提出一些建议,供设计人员参考。
3)  sample analysis
取样分析
1.
In order to determine reliability of analyzed data of NO oxidation rate in production of nitric acid,the sample analysis method of NO oxidation rate was discussed from aspects of analytical procedure,analytical principle and analytical calculation etc.
为确定硝酸生产中NO氧化度分析数据的可靠性,从分析手续、分析原理、分析计算等方面论述了NO氧化度的取样分析方法,通过多项实际操作参数,例举了氧化度的计算过程和计算方法。
4)  analysis methods of transect
样带分析方法
5)  sampling method
取样方法
1.
Discussion about sampling method of liquid steel in converter;
关于熔炼成分取样方法的探讨
2.
Improvement of sampling method in cutting logging under lost circulation;
井漏条件下岩屑录井取样方法的改进
3.
Sampling Methods of Plants as Medicine;
药用植物分析取样方法初探
6)  sampling methods
取样方法
1.
The defect of sampling methods of bulk flotation zinc concentrates in the real application is expounded.
阐述了现行散装浮选锌精矿取样方法在实际应用中存在的缺陷 ,提出了改进方法 ,并在实际应用中效果良
2.
In order to optimize a series of techniques of sex determination of IVF goat embryos, realize the production and commerce of female embryos of milch goat, the study compared two sampling methods, incision method and stiletto method, and also, we gathered embryo cells by the two methods separately.
结果表明 ,两种取样方法性别鉴定结果的准确性没有差异 ,桑椹胚经打孔法采样后胚胎妊娠率 ( 3 6。
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性质:又称取样。从欲研究的全部样品中抽取一部分样品单位。其基本要求是要保证所抽取的样品单位对全部样品具有充分的代表性。抽样的目的是从被抽取样品单位的分析、研究结果来估计和推断全部样品特性,是科学实验、质量检验、社会调查普遍采用的一种经济有效的工作和研究方法。

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