查询词典 sieve

The effects of different level bentonite on the content of soil water and soil organic matter in the field are studied with the sandy sieve tube method.

通过田间条件下砂滤管试验，研究了不同膨润土施用量及有机物料对砂土土壤含水量和有机质含量的影响。

The present invention discloses a silver-carrying macroporous zeolite molecular sieve adsorbent, its preparation method and application.

本发明公开了一种载银大孔沸石分子筛吸附剂及其制备方法和应用。

A sieve method of heterotrophic nitrifying bacteria belongs to sewage treatment technical sphere.

异养硝化细菌的筛选方法，属于污水处理技术领域。

On the basis of clastic theory, a basic differential equation characterizing the movement of ground surface and rock strata is derived and a sieve method for influence functions brought forward.

本文根据碎块体理论导出了表征岩层和地表移动的基本微分方程式，提出了影响函数的筛选法，确定了威布尔分布密度函数是最佳的影响函数形式。

Poly lactic acid polymers were synthesized from lactic acid by one-step method with molecular sieve.

以乳酸为原料，采用分子筛除水的一步法本体熔融缩聚合工艺制备了聚乳酸。

Absorption with molecular sieve as the traditional method of dehydration ofpropylene has many disadvantages such as complex equipment, high energyconsumption, pollution environment.

传统的丙烯脱水技术是分子筛吸附法，存在着设备复杂、能耗高、污染环境等弊病。

Absorption with molecular sieve as the traditional method of dehydration of propylene has many disadvantages such as complex equipment, high energy consumption, pollution environment.

传统的丙烯脱水技术是分子筛吸附法，存在着设备复杂、能耗高、污染环境等弊病。

ObjectiveTo sieve the best purification method of Herba Leonuri's acidic alcohol- extract by comparing the purification efficiency of different methods.

目的通过对不同精制方法的比较，筛选出益母草酸醇提取液的最佳精制方法。

The results show that the gradation designed by five control sieve design method is very close to the gradations designed by Bailey method and CAVF method separately, and it is between them basically.

结果表明：采用五控制点级配设计方法设计的级配与贝雷法、CAVF法的设计级配非常接近，并且总体上位于贝雷法设计级配和CAVF法设计级配之间。

To probe the value in using Cellular Computed Tomography to analyse cervical smears and regard as the primary sieve method to diagnose cervical lesion.

探讨计算机辅助细胞检测系统在检测子宫颈涂片中的价值和作为诊断子宫颈病变的初筛手段。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。