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- expansion of clay mineral 粘土膨胀
- and with the increase in imbibition time, confining pressure and the expansion of clay minerals, the decrease rate of gas permeability is aggravated. 随着逆流自吸时间延长、围压增加和粘土矿物膨胀，逆流自吸导致气相渗透率下降的程度加剧；
- Two basic types of clay minerals are present in most soils. 大多数土壤中出现了两类主要的粘土矿物。
- The petrographic thin section indicates that themain types of clay mineral is chlorite, kaolinite and illite. 据岩石薄片鉴定，粘土矿物类型主要有伊利石、绿泥石和高岭石。
- In the tectonic activity stage, the evolution of clay mineral was influenced by hydrocarbon emplacement and deep fluid. 有机质成熟期主要受成岩作用影响，在酸性成岩环境下高岭石大量产生；
- An anti-sloughing drilling fluid system-PRT is developed, based on the analysis of clay mineral composition, structure, physical and chemical characteristics. 分析了该地区易塌层段的粘土矿物组分、结构特性和物理化学特性以及存在的钻井液技术难题，研究出PRT防塌钻井液体系。
- The tests on sexpansion of clay after moisture absorption and its performance have been discussed, The cause of body moisture shatter and shed shatter has been analyzed through test on expansion of clay and body after moisture absorption. 讨论了粘土和坯料吸湿膨胀试验方法,并通过对粘土、料吸湿膨胀试验,分析了坯体水分炸裂、伞的原因。
- Changes of clay mineral association after HGMS for main zonal soils in central and southern China were investigated by means of XRD and chemical analytic methods. 以我国中南地区几种主要地带性土壤为材料，比较了物理、化学方法的浓缩效果，结合X-射线分析，探讨了高梯度磁场分选（HGMS）后土壤胶体的矿物类型、氧化铁种类的变化。
- It not only increases the permeability of reservoir but also minishes the influence of clay mineral migration, thus sequent treatment fluid can be returned. 用M2酸酸化不仅可以提高储层的渗透性，还可以减小粘土矿物迁移的影响，提高后续施工工作液的返排程度。
- SEM proves that the form of clay minerals is floccule and sheety. SEM结果显示东太平洋粘土矿物为絮状和片状；
- The suburbs are an expansion of cities. 郊区是城市的延伸。
- The main types of clay minerals are illite, smectite, kaolinite and chlorite. 粘土矿物主要由伊利石、蒙皂石、高岭石和绿泥石组成。
- This book is an expansion of the play he wrote before. 这本书是他以前写的剧本的扩充。
- The artist started with a big lump of clay. 艺术家用一大块黏土开始雕塑。
- The president had feet of clay: he drank a lot. 总裁有个致命的弱点:他好喝酒。
- The expansion of the factory will mean the employment of sixty extra workers. 工厂的扩展意味著将增雇六十名工人。
- A sun-dried, unburned brick of clay and straw. 风干土坯风干且未烧过的粘土与稻草做成的砖
- The ability of clay minerals to catalyse decarboxylation has long been recognised. 粘土矿物能催化脱羧基是早已认识到的问题。
- The circumstances were not propitious for further expansion of the company. 这些情况不利于公司的进一步发展。
- The mass of clay was worked up into a reclining figure. 这堆粘土被揉成一个躺着的塑像。
