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- Previous unconsolidated sand,source of uranium and geochemical barrier are three essential condition for forming uranium deposit. 总结并提出了铀成矿评价的三个必要条件：透水疏松砂层，铀源，地球化学栅。
- Recent years, we have found and developed many unconsolidated sand gas reservoirs.The proved reserves and the produced reserves are very considerable. 近年来，发现并投入开发了很多砂岩气藏，其探明储量和已动用储量都是很可观的。
- Systematically study “high capacity channel identification and shut off” techology has very important significance for improving the development of unconsolidated sand stone reservoirs in China. 系统深入地研究“大孔道识别与封堵”相关技术对于提高我国疏松砂岩油藏注水开发水平具有重要意义。
- Seismic responses of unconsolidated sands indicate that Poisson's ratio is related to the parameters of sand with low effective stress. 非固结砂岩的地震响应研究表明泊松比参数与低有效应力的砂岩模型参数有关。
- The completion tools improving the lifetime of the electro-pump well in unconsolidated sand reservoir 提高电泵在砂岩油藏中使用寿命的完井工具
- An attempt to improve the accuracy of well-log oil saturation in unconsolidated sand 提高疏松砂岩测井含油饱和度精度的探索
- EXPERIMENTAL STUDY OF UNCONSOLIDATED SAND PERMEABILITY AND POROSITY WITH WATER AS FLOW MEDIUM 松散颗粒介质水的渗透率与孔隙率实验研究
- Laboratory Simulation of Sand Production Under Oil-water Simultaneous Flow in Unconsolidated Sand Pack 油水两相同时流动出砂规律模拟试验
- Study on drilling fluid technology in unconsolidated sand with high clay content 高泥质疏松砂岩防塌保护油气层钻井液技术
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- Feasibility Study on Polymer Flooding for Unconsolidated Sand Reservoirs with High Permeability to Improve Recovery Factor 高渗疏松砂岩油藏聚合物驱提高采收率可行性研究
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- His company was built on the sand. 他的公司根基不稳固。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- The boat grounded on a sand bank. 船只搁浅在沙洲上。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- An unconsolidated mixture of rock fragments or pebbles. 砾石岩石碎片或卵石的松散的混合物
