Cementing technology of using leak protection and water shutoff drilling fluid in LIN 4-36X Well a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid. 林4-36X井防漏防窜水泥浆固井技术用于包裹接缝或多孔表面以防漏气漏水的物质。
Their nests are constructed with salivary glue, a cementing substance, and may incorporate other materials such as vegetation or feathers. 燕子的巢由分泌唾液构建,一种粘合物质,并加上其他材料,如植被或羽毛。
Compared with the dust pollution and the black pollution and the resin granulated substance produces which with the clay granulated substance had chemistry pollution, the inorganic cementing agent, the sodium silicate granulated substance was the most possibility to realize the green clean casting production molding sand craft. 与粘土砂产生的粉尘污染与黑色污染、树脂砂产生的化学污染相比,属无机粘结剂的水玻璃砂是最有可能实现绿色清洁铸造生产的型砂工艺。
Soil mini-structure can be defined as: the relative position, array character, contact state, links, cementing substance& their state, the size and shape of void among soil particles or their polymers. 土体的细观结构是指土颗粒或颗粒聚合体之间的相对位置、排列特征、接触状态、粒间连结、胶结物及胶结状态、粒间孔隙大小与形状。
For black soil with high content of organic matter, organic cementing substance is an important factor in forming soil aggregates. 对于有机质含量高的黑土,有机胶结物质是形成土壤团聚体的主要因素。
The results show that the zirconia-type artificial opal is similar to the natural opal in the chemical composition, mechanical character and structure, but only a few of zirconia present in the cementing substance. 研究表明,氧化锆型人工欧泊的化学成分、力学性质、结构与天然欧泊的基本相同,前者仅在粘结物中存在少量的氧化锆;