查询词典 cement

The European Prestandard prEN 197-1 identifies two types of Portland limestone cement containing 6–20% limestone and 21–35% limestone, respectively. It is expected that the future world production and use of Portland limestone cement will be significantly extended.

欧洲prestandard产前197-1列出两种含有6-20%波特兰水泥灰岩、石灰石石灰石21-35%，分别预计未来世界石灰石硅酸盐水泥的生产和使用将大大延长。

Dissolution process of a-TCP cement hardened body accords with the kinetic model equation: y =-ln =kt05 , its activation energy is 9.87 kJ/mol, which means dissolution is diffusion control. The dissolution mechanism of a-TCP cement may be considered as dissolution and reprecipitation of defective calcium hydroxy- apatite hydrated from a-TCP.

含有TTCH的a一TCP骨水泥固化体在生理盐水中的溶解动力学方程为：y二一In(1一x)=kto.4；溶解过程为扩散控制；其中含l%TTCH的骨水泥溶解反应活化能约为7.17kJ/mol，随着药物含量的增加，骨水泥固化体的溶解速率常数下降。

In cement, the world's biggest producer, France's Lafarge, bought Orascom Cement of Egypt, and the third-largest, Mexico's Cemex, purchased Rinker, a big Australian rival.

在水泥行业，最大的水泥制造商法国Lafarge公司，收购了埃及的Orascom水泥公司；第三大水泥企业墨西哥cernex，收购了澳洲的重量级竞争对手Rinker。

By means of obtaining working performance of rubberized cement-soil in corrosive soil environment, this paper aims to improve salification erosion and crystallization resistivity of Rubberized Cement-soil.

目的 研究改善橡胶水泥土的离子侵独性能、抗渗性能等。

In the invention, normal reversible absorbing transfer material for solar energy which are mixture of cobalt chloride and sextic methyl tetramine, phthalandione lipid compound and trilateral methane lactone compound, said material are produced to micro cachet that colour changes as stemp, changing reversely in normal temp, then said micro cachet are compounded with common white silicate cement to produce the invention cement base material.

本发明采用对太阳能呈常温可逆吸收转换材料：氯化钴与六次甲基四胺混合物、邻苯二甲酸酯类化合物和三芳甲烷内酯类化合物，将上述材料制成微胶囊，再将所制出的常温可逆温致变色微胶囊与普通白色硅酸盐水泥复合，即可制备出常温可逆温致变色水泥基材料。

In this study, increase coherence and tensibility for matrix with polymer latex were introduced into the cement, In addition to increase toughness for reinforcement with glass-fiber were introduced in to the cement, expected to be a perfect construction material.

本实验主要是添加高分子乳胶於水泥砂浆浆体中，以增加基材的黏结性及抗张性，而添加玻璃纤维作为强化材，以增加水泥砂浆体之韧性，以期能发展更佳的营建材料。

Low temperature white cement and varicolored cement prepared from it are ideal decorative coating materials for roads in cities, bridges, stations, harbors, etc.

低温白水泥及其配制的彩色水泥是城市道路、桥梁、车站及港口等建筑设施的理想装饰材料。

The results from the experiment are: the amount of all micro-powders that grain sizes are less 0.044 mm should be less than 35% in weight, and the value of coarse q and attenuate q should be respectively 0.23 and 0.32, and the additive amount of active a-alumina and calcium alumina cement should be respectively 7% and 4% in weight, meanwhile, the best dispersant is PMAA-NH4 in the non-microsilica system; while the value of two q should be respectively 0.21 and 0.29, the amount of active a-alumina, microsilica and calcium alumina cement should be respectively 6%, 2% and 4% in weight, the best dispersants are sodium hexamer taphosphate and Na2P3Oio in the microsilica system.

依照上述实验方法得出刚玉自流浇注料所必备的条件：刚玉自流浇注料中的细粉(-0.044mm)总量应小于35％；在无硅微粉系统中的Andreassen公式的粗端q值和细端q值分别为0.23和0.32，氧化铝微粉、水泥的最佳加入量是7％、4％，且所使用的分散剂为改性聚丙烯酸钠最好，而在含硅微粉系统中的Andreassen公式的粗端q值和细端q值分别为0.21和0.29，氧化铝微粉、硅微粉和水泥的最佳加入量为6％、2％和4％，最好合用三聚磷酸钠和六偏磷酸钠作为分散剂。

The two concepts of slag blending ratio in cement and admixing quantity of slag are liable to be confused when producing cement with clinker powder and slag powder .

采用熟料粉、矿渣粉拌和水泥生产工艺，往往易混淆水泥中矿渣粉配比和矿渣掺入量这两个概念。

EFFECTS OF MORTAR ADDITIVES 2.1 Portland cement mortar pore sealing In pore sealing one needs to use agglutinating products, water reducers which at the same time should not be washed away by water or do not have any negative effect on cement hydration.

砂浆添加剂的效果 2.1硅酸盐水泥砂浆孔隙密封孔隙密封一个需要使用凝集产品，对水减速的同时不应该被水冲走或不产生任何负面效果影响水泥水化。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。