哪三个筛子？
“Normally, our memories are like sieves, ” he says.
“通常，我们的记忆就像是个筛子，”他说。
"Wait a moment," Grandpa Hodge stroked his beard and cut him short, "Have you sifted the news you will tell me with three sieves?"
“等一下，”霍奇爷爷摸了摸胡子，打断了他的话，“你要告诉我的消息，用三个筛子筛过了吗？”
This uses special membranes which act as molecular sieves by passing water molecules while holding back the ions, such as sodium and chloride, that make water salty.
其使用一种特殊的过滤膜充当分子过滤器，凭借让水份子通过而留下那些使水变咸的离子，诸如钠和氯化物离子。
In recent years, great progress has been made in synthesis, modification, and novel application of mesoporous molecular sieves.
近年来，在中孔分子筛的合成、修饰改性及催化应用方面的研究已经取得了较大进展。
"Three sieves? Which three sieves?" the man asked with puzzlement.
“三个筛子？哪三个筛子？”那人不解的问。
"Three sieves? Which three sieves?" the man asked with puzzlement.
“三个筛子？哪三个筛子？”那人疑惑的问。
The thermal stabilities of modified zeolite molecular sieves were investigated .
研究了改性分子筛的热稳定性；
Super-microporous molecular sieves, template, primary amine, pore size reducing;
超微孔分子筛；模板剂；伯胺； 缩孔；
Test sieves. Technical requirements and testing. Test sieves of metal wire cloth.
试验筛。技术要求和试验。金属丝网布试验用筛。
A review is presented on special routes for zeolites and molecular sieves synthesis.
综述了沸石分子筛的几种特种合成路线。
The mesoporous molecular sieves supported with ionic liquid were prepared by sol-gel method.
利用溶胶-凝胶法合成了固载离子液体的介孔分子筛。
Adding molecular sieves to liner can remarkably improve the combination properties of the liner.
将分子筛添加于包覆层中，可显著提高包覆层的综合性能。
X-type molecular sieves are synthesized by using polymer methylcellulose as a space-confined additive.
以聚合物甲基纤维素作空间位阻剂合成了X型分子筛。
The effect of 13X zeolite molecular sieves on cured property of two -component PU adhesive was studied.
研究了13X沸石分子筛对双组分聚氨酯胶粘剂固化性能的影响。
A laser on-line measuring method for over-size and over-percentage apertures of wire sieves is described.
介绍了金属筛超大网孔尺寸及超差比例的激光在线检测方法。
Titanium silicate molecular sieves are playing an increasingly important role in environmental benign technology.
钛硅分子筛在环境友好工艺过程中发挥着越来越大的作用。
Before the real processing begins, the raw cocoa is thoroughly cleaned by passing through sieves, and by brushing.
在加工之前，生可可豆将被彻底地用滤网和刷子进行清洁。
Connectivity sieve is one of several sieves that are applied during the course of modeling of disassembly AND-OR graph.
连通性筛子是构建拆卸与或图拆卸模型的诸多筛子之一。
This invention discloses a composite modified catalyst with molecular sieves and its preparation method and application.
本发明公开了一种复合改性分子筛催化剂及其制备方法和应用。
The progresses on the preparation and catalytic activities of the functionalized mesoporous molecular sieves are reviewed.
综述了介孔分子筛经功能化制备及催化性能的研究进展。
The typical and unconventional preparation methods of carbon molecular sieves used for gas separation were introduced in this paper.
介绍了作为气体分离用途的碳分子筛的典型的和非常规的制备方法及应用。
With the use of computer image processing, we realize the automatic measurement for test sieves and industrial woven metal wire cloth.
本文采用计算机图像分析方法，实现对试验筛及金属丝网的自动检测。
The typical and unconventional preparation methods of carbon molecular sieves (CMS) used for gas separation were introduced in this paper.
介绍了作为气体分离用途的碳分子筛(CMS)的典型的和非常规的制备方法及应用。
The basic principle and method of synthesis of lower fatty acid ethyl ester using 3a molecular sieves as dehydrating agent were described.
本文主要阐述了在合成低碳脂肪酸乙酯中采用3a型分子筛作脱水剂的基本原理和方法。
The experimental apparatus for the separation of oxygen and argon was established based on the kinetic adsorption of carbon molecular sieves.
基于碳分子筛动态吸附机理，建立了分离氧氩的实验装置。
To meet the needs for study the shape selectivity of zeolite molecular sieves, an approach for estimation of molecular dimensions was developed.
为满足研究沸石分子筛择形选择性的需要，对分子尺寸的估算进行了探讨。
The advances in synthesis of titanosilicate sieves is summarized and the preparation of meso- porous titanosilicates is briefly estimated as well.
对近年来钛硅分子筛的合成方法进行了综述，并简单评述了中孔含钛分子筛的合成技术。
The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.
研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应，考察了催化剂的活性、选择性和和稳定性。
The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.
研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应，考察了催化剂的活性、选择性和和稳定性。
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