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The expansion mechanism of hydroxide expanding phase for oil well cement slurry are discussed on the basis of principle of chemical thermodynamics and topochemical reaction model.

姚晓要 基于膨胀剂原地反应模型和化学热力学原理，讨论了晶体生长压的源动力及水泥浆体体积膨胀与结晶压的关系。

The following plastic wastes, i.e., polyvinylchloride cable waste, polyethylene cable waste, used "Trabant" car bodies (polyester- and phenolic resins) were mixed with old motor oil, industrial waste oil, and chlorobenzene from waste oil refining processes, and subsequently subjected, in autoclaves, totemperatures up to 500oC and pressures of 20 MPa using disposable catalyst system of slurry phase hydrogenation.

下面的塑料废物，比如聚氟乙烯线状废物，聚乙烯线状废物，使用&随体&汽车车身与旧机油、工业废油和氯苯从废油精炼出来，随后在小孔中使用泥浆阶段加氢的一次性相位加氢系统加热到500摄氏度和20M帕的压强。

Standard tremie concreting processes for diaphragm wall construction were applied for the placement of the concrete in the bentonite slurry.

为隔膜墙壁工程凝结过程的标准 tremie 在膨土泥浆中被申请具体物的安置。

Finally,the concrete is placed around the reinforced by tremie and the "slurry"is displaced as the concrete rises to fill the trench.

该例中的施工行为有可能发生在过去，但这种方法仍为人们使用，所以四句话均用一般现在时。

In the whole procedure of concrete casting it is essential that the tremie is for at least 1.5m, up to 5m, beneath the concrete surface to prevent the slurry runs into the tremie.

在整个砼浇筑时间内，导管口应埋入先前浇筑的混凝土内至少1.5m，防止泥浆冲入管内，但不得大于5m。

Finally,the concrete is placed around the reinforced by tremie and the "slurry"is displaced as the concrete rises to fill the trench.

但个别时候，为了便于说明某一事件的发展背景，也可采用过去时或现在完成时。

Finally,the concrete is placed around the reinforced by tremie and the "slurry"is displaced as the concrete rises to fill the trench.

但个别时候，为了便于说明某一事件的发展背景，也可采用过去时或现在完成时。比如

The results indicate that the deviation of viscosity concentration is still not acceptable for most of the pigments, although the solid content of pigment slurry is well linear with the reciprocal of the square root of viscosity. Furthermore, the slight fluctuation of solid content which is close to the viscosity concentration can cause significant variation of the low shear viscosity according to the calculation, and result in the uncredible test value of viscosity concentration.

结果表明，尽管颜料悬浮液固含量与黏度平方根倒数的线性关系相当好，但对于相当一部分颜料，由此得到的黏浓度数据偏差仍然不可接受；而且根据测算，在黏浓度点附近，固含量的微小波动会造成低剪切黏度很大的变化，导致黏浓度的测定结果不可靠。

The unexpected geological disaster such as Karst,fault,underground river,water and slurry gushes often happened in karst area during construction of a tunnel,which bring momentous disaster and unestimated eco- nomic loss to construction.

在岩溶地区隧道施工过程中，经常遇到溶洞、暗河、断层及突水、突泥等无法预料的地质灾害，给施工带来了重大灾难和无法估计的经济损失。

The paper analyzes the performance, structure, operating life of the WARMAN pump comparing with 12PN slurry pump, and compares withthe usage effect and economic efficiency between the two pumps.

就瓦尔曼泵的性能、结构、使用寿命与12PN泥浆泵进行对比分析，并对两种泵的使用效果与经济效益进行比较，阐述了瓦尔曼泵的优越性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。