查询词典 cementation

The significance of cementation in porosity preservation in deep-buried sandstones.

胶结作用在深埋藏砂岩孔隙保存中的意义。

To do a good job,one must first sharpen one's tools,in order to strengthen boat body to have the anti-impact ability and the abrasion resistance quality,we use double-decked fabric at the bottom,and wider cementation fabric at the joint spot,and the hull has the automatic drainage system to rapidly discharge unneccessary water.

本系列产品是专为评论探险爱好者所设计的&工欲善其事，必先利其器&，为了增强艇身的抗冲击能力和耐磨度，底部采用双层面料，在接合部位使用加宽的粘接面料，船体带有自动排水系统，可迅速排出多余的水。

According to the data in the exploration and development of coal, petroleum and coalbed methane, and based on an analysis of the growth history of the Sitou fault, its sealing mechanisms are studied in respect of juxtaposition, clay smear, cataclasis, and cementation.

根据煤、油气、煤层气勘探开发资料，在分析寺头断层发育史的基础上，从断层两侧岩性配置、泥岩涂抹效应，颗粒碎裂作用、胶结作用等方面对寺头断层的封闭机理进行了研究。

The content and size of the plastic grains in the reservoir clasts are important factors controlling the reservoir property. Diageneses are a crucial factor of reservoir property, in which consolidation heavily affected reservoir property, cementation was only an important controlling factor influencing reservoir property in the partial area and the influence of dissolution was weak.

储层碎屑组分中的塑性颗粒含量和粒径是储层性质的重要控制因素；成岩作用是储层性质的决定性因素，其中压实作用对储层性质的影响最大，胶结作用仅在局部地区成为重要的控制因素，溶蚀作用的影响是比较有限的。

Objective To compare the adaptation of porcelain fused-to-metal restorations made from Ni-Cr alloy, precious alloy and galvanized forming copings after cementation and to provide a theory guidance for their ap-plication.

目的 对镍铬合金烤瓷冠、贵金属合金烤瓷冠和金沉积烤瓷冠的边缘适合性进行研究，为临床应用提供一定的理论依据和指导。

Porosity evolution influenced by those diageneses is also analyzed. The dissolution and alteration of feldspars and unstable rock fragments are the main constructive diageneses, but the compaction, pressure solution and cementation are the main destructive diageneses which are unavoidable.

溶蚀作用与蚀变作用是形成砂岩储层的两大建设性成岩作用，云母类矿物的水解作用对孔隙的形成也起到一定的积极作用；但机械压实、压溶作用和胶结作用则是储层形成过程中不可避免的破坏性成岩作用。

According to experience of similar material research, a new similar material, iron barites sand cementation material, has been developed through hundreds of compounding test.

借鉴前人的经验，通过大量的配比试验，研制出一种新型的相似材料铁晶砂胶结料，这种材料用铁精粉、重晶石粉、石英砂作为骨料，松香、酒精溶液作为胶结剂，石膏作为调节剂混合而成。

Meanwhile, it also presents that the Heat treatment cementation using purified natural gas, Methyl alcohol; methanol can not only improve the quality of products, but also enhance the carburizing speed, reduce the gas consumption and extend the lifespan of equipment spare parts and so on.

同时，提出了热处理渗碳采用净化后的天然气、氨水、甲醇不但可提高产品质量，而且还具有提高渗碳和碳氮共渗速度、降低气源消耗和延长设备备件使用寿命等功效。

GCF was collected from labial and lingual of mesial site and distal site before the tooth preparation by filter paper. At the point of 6 month after cementation, GCF was collected at the same sites. The level of was collected at the same sites. The level of TNF-α was detected by enzyme-linked-immunoadsorbent assay method, and analyzed the variation between the pre-restoration and post-restoration.

选择临床病例24例，采用镍铬合金烤瓷冠和金铂合金烤瓷冠修复，分别在修复前、修复后6个月进行临床检查和取GCF，进行GCF量和TNF-α水平的测定。

The paper briefly reviews the recent tendency of rad waste treatment and disposal both in China and abroad, assesses the feasibility of the large volume casting cementation process for treating and disposing the intermediate level radwaste from spent fuel reprocessing plant in shallow land on the basis of the analyses of the experimental results such as formulation study, solidified radwaste properties measurement etc.

文章扼要地回顾国内外放射性废物处理处置发展趋向，试图对后处理厂中放废液水泥固化，从工艺角度进行大体积浇注浅地层埋藏处置方案的可行性探讨。本方案通过水泥固化基础配方，固化物性能及其安全性、经济性等详细讨论，对解决体积庞大的中放废液是一个有前途的方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。