水泥的

The retarding effect of boracic acid on the sulphoaluminate was unstable, but the composite of boracic acid and accelerating admixture could improved the retarding effect and early strength, and the appropriate boracic acid could increase the later compressive strength of the cement.

结果表明，高效减水剂FDN与硫铝酸盐水泥相容性很好，减水效果明显；硼酸对硫铝酸盐水泥的缓凝效果不稳定，但通过复掺早强促凝组分能改善其缓凝效果和早期强度，且适量的硼酸能提高水泥浆的后期强度。

Magnesium oxychloride cement is a kind of gel material, which has asimple manufacture process and abundant resources.

镁质水泥是一种生产工艺简单、原料资源丰富的胶凝材料，具有凝结硬化快、强度高等优良特性，已广泛用于包装、隔墙、装饰、石材等行业，但由于其耐水性差，影响了它的推广应用，因此镁水泥的硬化和抗水性研究对其推广应用具有重要意义。

The composition and properties of phosphate cement,the requirment of its materials needed are discussed.

阐述了磷酸盐水泥的组成和对各种组成材料的要求以及磷酸盐水泥的性能。

Chinese demand for cement - and subsequent shortages in the United States - may be a portent of things to come in numerous commodities markets.

中国水泥需求的增长同时美国水泥的短缺也可能是市场的一个征兆。

Chaohu area of our factory is the only company certified by the National River specializes in the production and sale of white Portland cement enterprises, enterprises predecessor was founded in 1992 the "white cement plant in Chaohu City," Mayor Chaohu is located in Jiangxi Province Road, the focus of the cement industry areas, strategic location, making water, land and railway transportation are very convenient.

我厂是巢湖地区唯一一家经国家认证专业从事生产河和销售白色硅酸盐水泥的企业，企业前身是成立于1992年的"巢湖市白水泥厂"，位于巢湖市长江西路省重点水泥工业区内，优越的地理位置，使得水、陆、铁交通运输都十分方便。

This paper briefly introduces the production and the characteristic of high Belite cement, and discusses the main reason of its good workability, high long-term strength and perfect durability,meanwhile,also discusses its adaptability to the climate of Hainan.

简要介绍了高贝利特水泥的生产及其特性，讨论了高贝利特水泥具有工作性好、长期强度高和耐久性好的主要原因及其与海南气候的适应性。

BACKGROUND: The mixture of calcium acid phosphate bone cement and drugs can affect curing reaction and crystallization of calcium acid phosphate bone cement, which can finally change crystal structure and biomechanics strength of end products.

背景：研究证实磷酸钙骨水泥与药物混合后可能会影响磷酸钙骨水泥的固化反应过程和品体形成过程，进而改变反应终产物的晶体结构和生物力学强度等性能。

BACKGROUND: The mixture of calcium acid phosphate bone cement and drugs can affect curing reaction and crystallization of calcium acid phosphate bone cement, which can finally change crystal structure and biomechanics strength of end products.

背景：研究证实磷酸钙骨水泥与药物混合后可能会影响磷酸钙骨水泥的固化反应过程和晶体形成过程，进而改变反应终产物的晶体结构和生物力学强度等性能。

The Chinese government has been trying to speed a shift from so-called vertical kiln cement to cement made in dry rotary kilns.

中国政府一直试图加快从所谓的立窑水泥向干法回转窑水泥的转变。

The product alkali poor performance, installation of the wet paste using high-alkali cement protective layer may result in failure, it is used in contact with wet cement paste to be used with caution.

本品抗碱性能差，湿贴安装时使用的高碱性水泥可能造成保护层失效，故用于接触水泥的湿贴使用时须谨慎。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。