proportional bag sampling system是什么意思

用法例句

The application of scale for AutoCAD2000;

AutoCAD 2000中有关比例的概念及应用

Gold Section Scale and its Application in Road Design;

黄金分割比例及其在道路设计中的应用

The Difference Between New and Old National Standard on Scales;

《比例》新旧国标的区别

To reduce the electricity proportion in caustic soda cost as soon as possible;

尽快缩小电费占烧碱成本的比例

Paeonia in Combination with Chinese Angelica for Menalgia: Study on the Compatible Proportion;

芍药、当归配伍治疗痛经的比例研究

Human, Measure Scale and Proportion——Finnish Master Architect Blomstedt and Pythagoras Harmony Tradition;

人、尺度和比例——芬兰设计大师布隆斯泰特与毕达哥拉斯式和谐的传统

A selection of optimized ratio of the protoplasmic and fibrous astrocytes to the directional differentiation of neural stem cell;

原浆型星形胶质细胞调控神经干细胞定向分化的优化比例筛选

The control of ratio-controlled circuit on telescope;

比例控制电路对天文望远镜的控制

The Influences of Different Ratio of Basic Tiller Fertilizer to Ear Granule Fertilizer on Ear Forming Rate and Output in Rice Seedling Throwing;

不同基蘖肥与穗粒肥比例对水稻抛秧成穗率及其产量的影响

This article analyzes and researches phase proportion and corrosion resistance of weld joint under the welding process of gas tungsten-arc welding(GTAW),and provides guidance to field welding of 00Cr22Ni5Mo3N.

采用气体保护钨极氩弧焊(GTAW),通过调整焊接工艺,分析研究该工艺下焊接接头的相比例及耐腐蚀性能,为00Cr22Ni5Mo3N双相不锈钢的现场焊接提供指导。

The results indicate that keeping t12/8 constant and changing t8/5, the simulated HAZ microstructure and phase proportion almost keep same.

结果表明,固定t12/8,改变t8/5,2205双相不锈钢模拟HAZ的组织形态和相比例相差不大,用t8/5作为参数研究这种材料HAZ组织转变行为是不恰当的;固定t8/5,改变t12/8,2205双相不锈钢模拟HAZ的组织形态和相比例变化比较大,t12/8是影响这种材料HAZ组织的本质因素,用它来研究对2205双相不锈钢HAZ组织的影响更为确切。

On the basis of practical experience,this text simple analyses disproportion phenomenons、reasons and countermoves of common electroplating auxiliary in use.

本文依据实践经验,对常见镀种中所用助剂使用中的比例失调现象、原因及可采取的对策作了简要分析,供助剂生产厂家及电镀厂点参考。