The compounding technique of PQ was described and its influences to cement thickening time and application in high density cement system were evaluated, as well as its temperature sensitivity.
介绍了改性木质素磺酸盐PQ的合成工艺，评价了PQ对水泥浆稠化时间的影响及在高密度体系中的应用，同时考察了PQ对温度的敏感性。
This high packing density accounts for the strength and stability of cement, which makes it useful for structures like tunnels and Bridges.
这种高堆积密度说明了水泥的高强度和稳定特性，使其成为隧道和桥梁等建筑物的理想材料。
Polyester, polypropylene, high density vinylon filter cloth is widely used in the pharmaceutical, chemicals, dyes, smelting, cement, mining and other enterprises in production.
涤纶、丙纶、维纶等高密度过滤布则广泛应用于制药、化工、染料、冶炼、水泥、矿山等企业生产中。
In fact, the high density of cement is explained by this nanostructure.
事实上，水泥的高密度特性可以通过这种纳米结构得到解释。
This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.
超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。
In order to solve the problems, a novel foam cement slurry system with low density, high strength and good channeling resistance, has been developed and tested.
为此，研制开发了密度低、强度大且防窜性能好的新型泡沫水泥浆体系，并对其性能进行了试验研究。
The invention relates to a high-temperature low-density cement and applications thereof, belonging to the field of building materials.
本发明属于建筑材料领域，特别涉及一种高温低密度水泥及其应用。
The invention relates to a high-temperature low-density cement and applications thereof, belonging to the field of building materials.
本发明属于建筑材料领域，特别涉及一种高温低密度水泥及其应用。
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