查询词典 sieves

Therefore, it may be worthwhile to prepare novel catalysts that simultaneously possess the advantages of both molecular sieves and sulfated zirconia.

因此，如果能制备一种新型的催化材料，使它既具有分子筛的规整孔道结构、高比表面积，又具有SO〓／ZrO〓的超强酸性，无疑将会是一件很有意义的工作。

While letters being inputted, the calculating way of T9 containing language database automatically sieves different letters that are inputted according to the possibility of the monogram, and transliterates the exact phrase immediately.

在输入英文单词时，包含了语言数据库的T9算法能够根据字母组合的可能性，自动筛选输入的不同字母，即时拼写出正确的词语。

Highly stabilized mesoporous molecular sieves were synthesized by the hydrothermal method using natural clay and sodium silicate as raw materials and cetyltrimethyl ammonium bromide as a template.

以天然黏土和硅酸钠为原料、十六烷基三甲基溴化铵为模板剂，水热法合成了有序性好的高稳定性介孔分子筛。

Recent development of vapor - phase Beckmann rearrangement of cyclohexanone oxime to ε-caprolactam catalyzed by molecular sieves was reviewed.

介绍了用以代替浓硫酸催化环己酮肟Beckmann重排反应制己内酰胺的各类分子筛催化剂的研究新进展，并对其反应机理、催化剂的失活与再生、反应新工艺进行了阐述。

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。

Company specializing in the production of various types of desiccants: silica gel desiccant such as, clay Desiccant, activated carbon deodorant, desiccant molecular sieves, natural desiccant, mineral desiccant, color blue bead silica gel desiccant, medicinal desiccant, food with desiccant, container desiccant, desiccant Antirust mold, mildew-chip, rust-proof paper, anti-rust fluid, mold fluid, etc..

公司专业生产各类干燥剂：如硅胶干燥剂，粘土干燥剂，活性炭除臭剂，分子筛干燥剂，天然干燥剂，矿物干燥剂，变色蓝珠硅胶干燥剂，药用干燥剂，食品用干燥剂，集装箱干燥剂，防霉防锈干燥剂，防霉片，防锈纸，防锈液，防霉液等。

Operational parameters of some key process steps for fabricating micro-precision sieve-sheets are determined experimentally, and morphological characteristics of electroformed hexagon micromesh nickel sieves are evaluated using a SEM and an optical profiler.

优选了关键工艺环节的操作参数，表征了试样的形貌特点，检测并分析了试样的相关性能。

After analysis on the process limitations existing in three manufacturing methods for metal micro-precision sieves, an optimized UV-LIGA technique based on SU-8 photoresist is presented to manufacture the micromesh nickel sieve-sheets.

分析了现有的精细金属网板制造工艺的优缺点，并提出采用基于SU-8光刻胶的UV-LIGA技术来制备高开孔率大厚度精细金属网板的工艺思路。

The recent progresses in these fields were summarized in this paper. It focuses on the activation and oxidation on a series of hydrocarbons (from CH4 to these hydrocarbons with six carbons). The catalysts and oxidants reported here include organic metal compounds and inorganic compounds (such as molecular sieves, metal clusters, metal oxidates and so on).

本文总结了近几年在碳氢化合物的活化及氧化领域的一些新进展，涉及的底物包括从甲烷到碳原子数等于6的烃类，而催化剂及氧化剂包括有机金属化合物和无机化合物（如分子筛催化剂、金属团簇和金属氧化物等）。

All the remedy that I found for this was, that atlast I did remember I had, among the seamen's clothes which weresaved out of the ship, some neckcloths of calico or muslin; andwith some pieces of these I made three small sieves proper enoughfor the work; and thus I made shift for some years: how I didafterwards, I shall show in its place.

于是我跪下来，以最谦卑的态度向上帝表示感谢，感谢他把我从杀人流血的罪恶中拯救出来，并祈祷他保佑我，不让我落入野人手里，以防止我动手伤害他们；降非上天高声召唤我，让我为了自卫才这样做。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐