sieve field

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。

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The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.

本实用新型涉及油田油井开采领域中用到的一种刚玉筛管。

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A computational fluid dynamics ( CFD) model was developed for describing the hydrodynamics of large scale sieve trays. A two-fluid model to simulate the three-dimensional velocity field of the gas-liquid two-phase flow on a sieve tray was presented.

运用CFD数值模拟方法，建立了大型筛板塔塔板上气液两相流双流体模型，数值求解了三维速度场分布。

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Computation of the Algebraic Square Root for the Number Field Sieve

数域筛法中代数平方根的计算

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The number field sieve ( NFS ) is the asymptotically fastest factoring method known.

数域筛法是目前最快的 ( 渐进意义下 ) 整数分解方法.

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