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用法例句

Influence of Expansive Additives on Hydration of C_3A;

膨胀剂对C_3A水化的影响

Research on hydration of magnesium oxide from roasting hydrated magnesium chloride;

水合氯化镁焙烧得到的氧化镁的水化研究

Influence of additives on performance and hydration process of cement;

添加剂对水泥性能与水化过程的影响

The experiments show that a few calcium chloride will result in the increase of the fluidity loss of portland cement paste,Calcium chloride can decreaae the dissolution rate of dihydrate gypsum in calcium hydroxide saturated solution and increase its dissolubility.

由于CaCl_2降低二水石膏在Ca(OH)_2饱和溶液中的溶解速度并增大其溶解度,使早期硅酸盐水泥浆体的液相组成发生了变化,浆体中水化产物生成量增加,自由水减少,从而导致浆体流动度经时损失增大。

The physical constitution and hydrate of this cement with high volume fly-ash and slag wastage is detected by scanning electron microscope(SEM), X-ray diffraction(XRD) and differential thermal analysis(DTA) etc.

运用扫描电子显微镜 (SEM )、X射线衍射 (XRD)和差热分析 (DTA)等手段研究了胶凝材料的水化物相。

By using scanning electron microscope(SEM) the hydrate of highly free calcium oxide(f CaO)cements is studied,and the distribution and crystalline characteristics of calcium hydroxide in cement are investigated and the different boundary characteristics between calcium hydroxide with CSH at early hydration stage and later stage as well.

运用扫描电子显微镜 (SEM)研究了高游离氧化钙 (f- Ca O)水泥的水化及其在水泥石中氢氧化钙的分布和显微结构特征。

Effect of water-binder ratio and composition on the hydration products and hydration degree of complex shrinkage-compensating binders;

水胶比和组成对补偿收缩胶凝材料水化程度与水化产物的影响

The effects of mineral materials, grinded blast furnace slag (S), high-calcium fly ash (HF), desulfurized gypsum (DG), calcined desulfurized gypsum (CG) and sodium sulfate (NS) on the hydration degree of cement pastes are researched according to testing results of the chemical shrinkage, the hydration heat and the compressive strength.

结果表明:采用20%高钙灰替代矿渣粉对早期水化程度和初始结构建立影响不大,脱硫石膏或煅烧脱硫石膏作激发材料能够分散早期的集中放热而对总体水化进程影响不大;水化热对水化过程的反映比化学收缩更清晰和更准确。

In this paper, the modeling and simulation process of CEMHYD3D is analyzed, the hydration process of CCRL Cement 133 at different water-to-cement ratios is simulated with CEMHYD3D, and several properties, such as the hydration heat, the hydration degree, the variation of the reactant and the product are predicted.

分析了水泥水化过程计算机模拟这一领域最有代表性的模拟系统——CEMHYD3D的建模过程,以CCRLCement133水泥为例,对不同水灰比条件下的水泥水化过程进行了实际模拟计算,对水化热、水化程度、水化过程中主要反应物和产物的变化情况进行了预测。

Utilization Status, Prospects and Feasibility about Gas Hydrocarbon Hydrate as Replaceable Resources;

作为替代能源的烃类气体水化物的利用现状、前景及可行性(英文)

This paper introduces the general situation of Daniudi Gas field of Erdos and its gas gathering technique, and advances some measures for preventing the formation of gas hydrate.

介绍了鄂尔多斯大牛地气田的基本情况及其集气工艺技术,提出了防止天然气水化物生成的措施。

After analytical research on plugging during the gath- ering and transferring process for gas wells in Yulin gas field,natural gas is found to easily become hydrates under high pressure and low temperature,resulting in the plug- ging of surface pipelines.

依据水化物生成原理,榆林气田主要采用加入甲醇防止水化物形成。