查询词典 sieve method

Screen main products are rice, flour sieve; mining, metallurgical, chemical, air conditioning and building industries for ventilation, cooling, filtering, screening, and decorating various types of punching plate; mill with Hammer, Pin; metres Jimi knife; medicine, food industry with stainless steel disk, such as freeze-dried-basket, baskets, boxes and various metal stamping, drawing more than 800 pieces, and other species, more than 2,000 kinds of model specifications.

主要产品有米筛、粉筛；矿山、冶金、化工、空调、建筑等行业用于通风、散热、过滤、筛分、装潢的各型冲孔板；粉碎机用锤片、销轴；米机米刀；医药、食品行业用不锈钢盘、冻干盘等各种篮、筐、盒及各种五金冲压、拉伸件等800多个品种，2000多种型号规格。

For if a question is absurd in itself and calls for an answer where none is required, it not only brings shame on the propounder of the question, but may betray an incautious listener into absurd answers, thus presenting, as the ancients said, the B83 ludicrous spectacle of one man milking a he-goat and the other holding a sieve underneath.

因为如果一个问题本身是悖理的，而要求的答案又是无所谓的，这样的问题就不但是提问者的耻辱，而且可以使不注意听话的人陷入悖理的解答里去；从而呈现出一种可笑的光景，像古人所说的那样，一个人在挤公羊的乳，另一个人拿着筛子去接。

The equilibrium and dynamics of benzene and toluene of low concentration in heptane adsorbed by molecular sieve-NaY were studied.The Langmuir?

研究并比较了NaY分子筛对正庚烷中低浓度苯、甲苯的吸附平衡及动力学。

In this dissertation, Lanthanum is used to substitute part of Phosphorus or Aluminium in the framework and enter into the tetrahedron structure unit of oxygen negative ion for obtaining a kind of heteroatom molecular sieve with acidity.

本论文中，用镧原子同晶取代SAPO-n分子筛骨架中的部分铝或磷，进入骨架中的氧负离子四面体结构单元，得到具有一定酸性的杂原子硅磷酸铝分子筛。

There were hundreds of catalysts from the first single inorganic acid to current heterogeneous catalysts such as metallic oxide, heteroatom molecular sieve and heteropoly acid catalyst.

目前已见报道的催化剂已不下百种，其发展过程从最初单一的无机酸和无机盐类催化剂，发展到非均相的金属氧化物、杂原子分子筛、杂多酸盐催化剂等。

An efficient protective material for metal relics was studied in the paper. Volatile rust proofing sieve, vapor inhabitability of mass loss and closed space volatile weight-loss methods were adopted to study many monocomponent volatiles corrosion inhibitors . The best VCI was chosen from them. By mixing, the two composite VCIs were made for iron and copper.

本研究通过采用气相甄别法、失重法和封闭空间挥发减量法实验筛选单组分气相缓蚀剂并进行复配实验，分别制备出铁质文物和铜器文物用的复合气相缓蚀剂，其中铁质文物复合气相缓蚀剂Ⅰ由有机胺A和乌洛脱品以质量比1：1组成，其缓蚀率为96.5％，铜器文物复合气相缓蚀剂Ⅱ由BTA和酚类W以质量比1：1制成，其缓蚀率为94.5％。

The three-phase intergrowth molecular sieve can be used for preparing ethylene and propylene by catalytic-cracking naphtha in the industrial production.

该三相共生分子筛可用于石脑油催化裂解制乙烯丙烯的工业生产中。

Recent developments in the synthesis,modification and catalytic properties of titanium silicalite molecular sieve are reviewed,including the developments in the synthesis of TS-1 with hydrothermal and isomorphous replacement methods,the modification of TS-1,as well as applications in catalytic oxidation and acid catalysis systems.

本文重点综述了近年来钛硅分子筛催化材料的合成、改性及其催化应用的研究进展，包括钛硅分子筛（TS-1）的水热合成方法和同晶取代合成法、改性、成型与负载以及钛硅分子筛催化氧化功能和酸催化功能的研究。

A technology-oriented companies, ongoing restructuring product innovation, development of a patented technology for chemical, pharmaceutical, oil refining, petrochemical and gas processing, scientific research, experiments of the gas - liquid separation of the metal structured packing, Landfill materials and liquid bulk distribution, sieve towers, water towers apparatus, cutting floating tower, trays, all kinds of Kazi, floating cutting, foam hats, and other tower components.

公司以科技为导向，不断进行产品改制创新，开发出具有专利技术的用于化工、医药、石油炼制、石油化工及天然气加工、科研、试验的气-液分离工程所需的金属规整填料、散堆填料及液体分布器、筛板塔、泡帽塔、浮伐塔、塔盘、各种卡子、浮伐、泡帽等塔内构件。

A novel topological framework structure of the molecular sieve named CJU-18 is obtained theoretically, which has 18 membered ring open pores.

提出了一种新颖的十八元环超大孔分子筛的拓扑结构模型——CJU-18，它属钙霞石笼作用于六方晶系的P_(63)/mmc空间群。

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。