筛

Through the analysis of the main influencing factors-the bore diameter and thickness of the polytetrafluoroethylene sifter on the blueprint quality and the service life, and the main technological parameters of the polytetrafluoroethylene sifter were determined in the comparison experiment on the different high rapid blueprint machines.

通过对影响晒图质量和使用寿命的主要因素——聚田氟乙烯筛板的孔径及厚度的分析研究，并利用不同型号的高速晒图机对所研制的聚四氟乙烯筛板进行对比试验，确定了聚四氟乙烯筛板的主要工艺参数。

The cantilever screen vibration sifter, which is developed to solve the material blocking problem in the processing of sinter's particle size classification in blast furnace system, has been greatly considered to be applied to preventing material particles blocking in the screen, which will result in lower screening efficiency.

悬臂筛网振动筛是在解决高炉槽下筛分堵孔难题的实践中研发出来的，它被认为可很好地用来解决因物料堵孔而造成的筛分效率低下的问题。

On the basis of Ergun equation modified by Yoon and Kunii,the moving bed flow of solids with wide range particle in standpipe is calculated.

用Yoon 和Kunii修正的移动床厄贡方程，对宽筛分颗粒在立管中的流动进行了计算，计算结果与试验结果相一致，试验中发现，只要知道宽筛分颗粒的分级速度，便可用Yoon和Kunii修正的厄贡方程计算出宽筛分颗粒的料封能力。

Grind down the frontal sinus from superciliary archand show nasal ostium of frontal sinus, basal lamella of bulla and its front, cribriform roof.

重点观察筛漏斗、额隐窝及其气房、额窦窦口及鼻腔开口、筛泡基板与筛顶的连接情况。

The rate of the detection of trisomy 21 was 63.64% with a 5.04% positive rate.

该筛查方法的筛查阳性率5.04%，筛出率63.64%。

Few more words about what we said in the pre-washing section; if bottles will go through an hot water trommel and specially into the hot air trommel for bottles shrinking, PVC bottles will turn slightly brown and manual sorting will be easier and faster.

再提一下预清洗段，如果能够将矿石筛变成热水矿石筛或者热气矿石筛用来收缩瓶子的话，PVC 瓶子会变成淡淡的棕色，从而使人工挑选变得更为容易而且更快。

Partition sieve; Integer classification sieve; Ethereal sieve; Goldbach problem; Problem of twin primes

分割筛法；整数分类筛法；轻筛法；Goldbach问题；孪生素数问题

The rules for force and energy transmission in a rice whitener were analyzed based on mechanical transmission troubles of the rotating screen barrel in it.

基于旋筛式碾米机筛筒的机械传动系统故障，对旋筛式碾米机的力能传输规律进行了分析。

WIRE GAUZE WITH SQUARE APERTURES MADE FROM ANNEALED ROUND WIRE FOR INDUSTRIAL USE.

筛和筛分。工业用退火圆钢丝制方孔金属筛。

Based on the microstructure of scale, there are three sorts of scales, including angustifoliate shape, latifoliate shape, and round-leaved shape.

根据鳞片的超微结构，可将鳞片分为拱桥形、棋盘形、单列筛孔形、多列筛孔形和双列筛孔形5种。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。