text also explain climatically the reason why only these are lots of thatching in yunnan zone based on the aquiferous capability of the couch grass and stability of stake.
it is obvious that the the distribution of silica acid in interstitial water were affected by the contents of biogenic silica and aluminium, and aquiferous proportion as well.
通过分析发现影响同航次间隙水中硅酸分布的因素主要是生物硅含量、铝含量和含水率。
the utility model relates to a post shaped aquiferous porous foamed pot clay which has high performances of water suction and water dilution and high compression strength.
本实用新型涉及一种具有高吸水和释水性能并具较高抗压强度的柱状蓄水多孔发泡陶土块。
the shaft sinking with the aid of grouting in jingzhou asbestos mine indicates that sinking is possible in aquiferous karst area.
金州石棉矿竖井的顺利下掘,说明在溶洞发育巖层中用注浆法凿井是可行的。
water source includes aquiferous layer, river, water-eroded cave, goaf seeper, preferred faults with abundant groundwater.
水源包括含水层、江河、溶洞和采空区积水、洪水倒灌水、富水优势断裂;
the geochemical behaviour of heavy metals in river and its effect on shallow aquiferous system of both sides of the river are studied by theoretic calculation and experiments.