查询词典 sieve classification

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。

It is showed that the properties of CMK-3 mesoporous carbon molecular sieve synthesized by hard template method have great influence on Ru dispersion. Higher specific surface area and appropriate pore size distribution is advantageous for sufficient dispersion of Ru on the supports.

采用固相热分解方法成功的合成了介孔氧化铬材料，考察了反应的温度、反应时间、前驱体和表面活性剂配比以及表面活性剂的种类等制备条件对纳米介孔氧化铬材料结构性能的影响。

Then the recombinant plasmid transformed E.coli.JM109. One positive clone was obtained from the libraries with casein flat and ELISA sieve method.

用酪蛋白平板法和酶联免疫吸附的活性筛选方法从基因文库中筛选到一株产海洋低温碱性酶的阳性克隆（命名为pHH1）。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。