标准筛

介绍了一种新型电磁振动式Φ200mm标准筛振筛机的结构、工作原理。

This article deals with the construction and sieving principle of the new-type Φ 200 mm standard test sieve shaker which is vibrated by the electromagnetic force and the elastic force .

电磁振动式标准筛振筛机的筛分性能

The sieving performances of the standard test sieve shaker of the electromagnetic vibrative pattern

这种换算关系适用于我国铸造用试验筛和AFS标准筛。

The conversion relationship is applicable to the foundry screens of our country and AFS .

YFJ（巴柯）型离心式粉尘分级仪与标准筛的联合使用

The United Application of the dust centrifugal classifier ( yfj type ) and the standard sieves

加拿大标准筛目系列

Canadian standard sieve series

测试了烧碱质量分数和氯化温度对漂粉精有效氯含量的影响，测试了分盐用标准筛目数对漂粉精有效氯含量和过筛率的影响。

The effects of sodium hydroxide concentration and chlorination temperature on effective chlorine content of calcium hypochlorite were tested .

这些方法标准，以筛通过编撰学和传统和改造的信息和使命的历史耶稣。

These methods provide criteria to sift through the redaction and tradition and reconstruct the message and the mission of the historical Jesus .

但根本原因是我们构建了一座巨大的“教育金字塔”，按照既定的标准，通过层层筛

" The root cause , however , is that we have Built a gigantic " education pyramid " to eliminate and select students at different levels , Based on criteria already agreed upon , to pick the cream of the crop . "

将制好的微生物菌剂添加到膨胀土中，经过标准培养后，以自由膨胀率为判定标准进行初筛，筛选出4株使膨胀土自由膨胀率有明显降低的菌株。

Add the microbial pharmaceutical seeds into the soil . After the standard cultivation we have screened all of strain regarding as the free swelling ration and then select 4 strains which make the free swelling ration of the expansive clay decrease obviously .