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1·This paper introduces the properties of cement additive, hollow float beads, and its application in oilwell cementing.

本文介绍了水泥外加剂——空心漂珠的特性及其在油田固井中的应用。

2·Aiming at finding a new cement additive to reduce the disadvantageous effect of the organic matters on cemented-soil compressive stress, the series of tentative experiments are carried out.

针对有机质对水泥加固土强度的这种不利影响，进行了一些尝试性试验，旨在寻求一种添加剂，用来抵消有机质对强度的这种不利影响。

3·We research and manufacture impact toughness cement additive.

研制出了抗冲击韧性水泥外加剂。

4·Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.

讨论了原材料的选择，包括水泥品种、集料性质、拌合及养护用水的水质情况、外加剂的种类和掺合料对混凝土耐腐蚀性能的影响。

5·By dosing external additive during the steel smelting in the revolving furnace, the chemical content of the slag can be made similar to that of silicate cement.

在转炉炼钢的过程中添加少量外加剂，调整冶炼渣的化学成分，使其接近普通硅酸盐水泥熟料的化学成分。

6·The scheme of this essay begins with research of reasonable dosage of additive agent, aims at improve the integrated performance of mixture by enhancing the performance of cement and sand slurry.

从水泥稳定类外加剂的合理剂量的研究着手，以求从改善结合料性质提高水泥稳定类基层的综合路用性能。

7·A chemical additive or inert material used to decrease the density or increase the yield of a cement slurry.

减小水泥浆密度或增加水泥浆产率所用的化学添加剂或惰性材料。

8·The effect of type and adding amount of gypsum and additive on the properties of the cement has been also analyzed.

探讨了石膏的选择和用量，以及外加剂对水泥性能的影响。

9·The repair mortar is made by special craft with ordinary silicon cement as cementing material, with selected fine aggregate, admixture, additive as supplementary material.

是一种以普硅水泥为胶凝材料，辅以精选细骨料、外掺料、添加剂经特殊工艺配制而成的修补砂浆。

10·The sulfuric acid slag with 50% Fe used to be applied as a cheap additive of cement.

硫酸厂排出的含铁50％左右的烧渣，过去仅作为水泥的添加剂，价格低。