水泥石的孔隙度越大，H2S对水泥石腐蚀越严重。
If the cement stone has lagerer porosity, there will be more severe H2S corrosion to cement stone.
例如，与水泥石的冰冷相比一些人可能更喜欢泥层的土质。
Some, for instance, may prefer the earthiness of a mud floor to the coldness of a concrete one.
混凝土的侵蚀实质是水泥石的侵蚀，而造成混凝土宏观破坏。
The corrosion essence of the concrete is that corrosive materials attack its hardened cement paste and thus destroy the concrete as a whole.
归纳了水泥石的微观结构与强度的关系，并展望了其研究前景。
Finally, the relationship between the microstructure and strength was concluded. The author put forward the research prospect.
结果表明，MTC固化体的体积收缩率远小于水泥石的体积收缩率。
The results show that the volume shrinkage of MTC solidified body is far less than that of conventional cement.
本工作与其它实验研究手段相互补充有助于较全面和深入地了解水泥石的孔结构。
Furthermore, using SAXS together with other experimental methods, it is expected to be helpful in the study of the nature of cement paste comprehensively.
分析粉石英、斜绿泥石的晶体结构和表面性质以及油酸作阴离子捕收剂时的溶液化学。
Furthermore, the crystal structure, surface characters of quartz and clinochlore, and the solution chemistry of oleic acid as the anionic collector were analyzed.
结果表明：腐蚀深度作为评价腐蚀程度的几何指标可用于综合评价水泥石的腐蚀程度。
The results show that the corrosive depth as a geometrical target of the corrosive degree can be used as the composite target for evaluating the corrosion degree of cement stone.
结果表明，GX可以显著提高油井水泥石的韧性和弹性，并且与其他外加剂配伍性良好。
The result shows that the flexibility and elasticity of cement stone can be obviously improved with GX, good compatibility with other additives is obtained.
煅烧高岭土掺入水泥中，增加了水泥石的化学收缩，对水泥石的自收缩的影响并不明显。
The addition of calcined kaolin to cement increased the chemical shrinkage of cement stone, but it had no distinct impact on the self-shrinkage of cement stone.
借助于DSC/TG和XRD测试手段，对水泥石的热膨胀性能变化规律进行了机理分析。
The mechanism of thermal expansion of hydraulic cement paste is also re searched with DSC/TG and XRD methods.
对低密度水泥固井应以保证水泥石的最低封隔质量为依据确定合理的低密度水泥固井质量标准。
The reasonable well cementing quality standards should be taken the lowest pack quality of lightweight cement as the basis.
研究结果表明，随着纤维产量的增加，水泥石的体积收缩率减少，最大相对体积收缩率下降了38.3% ；
The results show that: the alter of volumetric shrinkage decreases with the increase of fiber content added in cement, the maximum relative volumetric shrinkage decreases by 38.3%.
本文通过研究罗马尼亚s_2油井水泥在高温下形成水泥石的强度衰退规律，提出合理的加砂量并讨论了应加砂的温度范围。
This paper proposed the reasonable amount and the temperature of adding silica flour after studying the strength retrogression of Romania S_2 oil cement at high temperature.
塑性水泥可以很好地解决水泥环的脆裂问题，它通过掺入高强度纤维，不仅可增加水泥石的强度，而且可改变水泥石的弹性。
Plastic cement solves cracking problem of cement sheath successfully. With high strength fiber added in, not only the strength, but also the flexibility is increased.
因而在硬化水泥浆体浸水后，主要水化物在水中不发生分解反应而稳定存在、避免了水对氯氧镁水泥石的水化物和结构的破坏作用。
Thus, when the hardened MOC pastes are immersed in water, the hydrate phases in them will not be decomposed by water, their strength can not suffer from declining in water.
这些性能包括水泥浆的流变性能、稳定性、稠化时间、失水量和水泥石的抗压强度等，并且将SDJ2与自制缓凝剂SDH - 2进行了配方试验。
The properties include rheology, stabilization, thicken time, fluid loss of grout and pressure strength of cement etc, and SDJ2 is tested with SDH-2 retarder.
最新的报道说泥石流将好几个村庄整个吞没。
有未经证实的报道称几个小村庄被泥石流淹没了。
There are unconfirmed reports of several small villages buried by mudslides.
例如，1980年圣海伦斯火山爆发，导致哥伦比亚河的几条支流产生泥石流现象。
The 1980 volcanic eruption of Mount Saint Helens, for example, sent mud and debris into several tributaries of the Columbia River.
仅2018年这一年，山火、火山爆发、飓风、泥石流和其他自然灾害就给美国造成了至少490亿美元的损失。
In 2018 alone, wildfires, volcanic eruptions, hurricanes, mudslides, and other natural disasters cost at least $49 billion in the United States.
寒武纪大爆发后不久，泥石流迅速将数千只海洋动物掩埋在有利于石化的条件下。
Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization.
断裂带中已存在的角闪岩相岩石已与绿泥石新形成的逆行绿片岩相叠加。
The pre-exist amphibolite facies rocks in the fracture belt have been superimposed by retrograde green-schist facies with neoformation of chlorite.
经过多年的侵蚀，水泥石化了。
立即朝某个方向逃到远离泥石流路径的最近的高地上。
Move to the nearest high ground in a direction away from the path.
因为一场巨大的泥石流滑进蓄水库，溢出了五千万立方米的水流。
An enormous landslide fell in to the reservoir and displaced fifty million cubic meters of water.
从那时起，这种遥控侦察装置就在世界范围内被部署于泥石流、塌方的矿井以及坍塌的建筑。
Since then, the remotely controlled scouts have been deployed to mud slides, caved-in mines, and collapsed buildings around the world.
很小的一股泥石流可能会先于更大的流量。
汶川地震和其它灾害，例如舟曲泥石流的捐款信息将在接下来几天发布出来。
Donations for the Wenchuan Earthquake, and other disasters, such as the Zhouqu Mudslide, will be released over the coming days.
汶川地震和其它灾害，例如舟曲泥石流的捐款信息将在接下来几天发布出来。
Donations for the Wenchuan Earthquake, and other disasters, such as the Zhouqu Mudslide, will be released over the coming days.
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