aperture

Industrial woven metal wire cloth (square openning series)

GB/T5330-1985工业用金属丝编织方孔筛网

the number of opening per inch of a screen; measures size of particles.

每平方英寸的网或筛孔数。

button-screen pipe

筛孔中有过滤网的衬管

Screen plants--Codification for designating perforations

GB/T10061-1988筛板筛孔的标记方法

Slots with round end and slots with square end plate screens

GB/T12620-1990长圆孔和长方孔筛板

Round and square perforation plate screens-Thickness of 3 mm and above

GB/T10613-1989板厚≥3mm的圆孔和方孔筛板

" Test sieves--Metal wire cloth, perforated metal plate and electroformed sheet--Nominal sizes of opening"

GB/T6005-1997试验筛金属丝编织网、穿孔板和电成型薄板筛孔的基本尺寸

A Novel Method for the Preparation of Micro/mesoporous Composite Molecular Sieves;

一类新颖的微孔—介孔复合分子筛的合成方法

Screening for retinopathy: This is performed when pupils are dilated, either by fundoscopy or retinal photography.

视网膜病筛检：眼底镜或视网膜镜检查，扩张瞳孔。

The drum sieve is made of corrugated iron with strip-shaped holes, which is folded to rotundity.

筛网由有条形孔的波形钢板制成并折成筒形。

Sieve diameter is the length of the side of a square sieve opening through which the given particle will just pass.

“筛析粒径”是指一个四方筛孔的边长，某已知的颗粒将恰好通过这筛孔。

The Research of Synthesis and Catalytic Performance of MCM-41 Mesoporous Molecular Sieves;

MCM-41介孔分子筛的合成方法及催化性能研究

Screening and Application of the Haemocyte Viability Detection Methods of Scallop Chlamys farreri

栉孔扇贝血细胞活性检测方法的筛选与应用

This net has half-inch meshes.

这个网有半英寸见方的网孔。

Population-based Epidemiology Survey and Pedigree-based Susceptibility Gene Study of Rhegmatogenous Retinal Detachment;

孔源性视网膜脱离的人群流行病学调查和易感基因初步筛选

Experimental Study of Effectiveness and Accuracy of Mental Microbore Gauze of Sand Control Liner/Screen

筛管常用金属微孔网布组合挡砂效果与精度实验研究

long run screen

耐用筛网(指圆网)

Industrial pre-crimped wire screens (square opening series)

GB/T13307-1991预弯成型金属丝编织方孔网