sieve size

With high specific surface area, ordered pore structure, facilely tailorable pore size ( 2-3nm) excellence, Mesoporous molecular sieve MCM-41 often use macromolecule compose field, and can used to the converge reactivity reactor.

介孔分子筛MCM-41具有比表面积高、孔道结构规则及孔径分布均匀（约为2～3nm）等优点，可用在高分子合成领域，特别是聚合反应的反应器。

The result shows that crude ash removal effect for about 17% moisture, 4000 r/ min rotation speed and 8 mm size of sieve pore is the best and crude ash removal rate can reach 70.8% among which sodium sulfate removal rate is 34.7%.

结果表明，在含水率约为17%，转速为4000r/min，筛孔为8mm时，水草粗灰分的去除效果较好，总的去除率达到70.8%，其中硫酸钠的去除率为34.7%。

Sieve tube design includes the design of the distribution density and the size of the hole.

筛孔的设计主要参数包括筛孔大小和分布密度。

Pore size controlling technology is an effective method for mesoporous sieve to be the advanced material.

介孔分子筛孔径调变技术是介孔分子筛成为新型材料的有效工具.

The MCM-41 is a kind of new type molecular sieve of medium pore size with adjustable pore diameter and was developed by Mobil Company in nineties.

分子筛MCM-41是Mobinl公司90年代开发的新型、孔径可调的中孔材料。