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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。
- Because of the complicated gas-water geochemical barrier formed by the involvement of surface water, the precipitation of uranium occurred in overlying aquifers to form uranium deposit. 在上覆透水层，由于地表水的参与形成复杂的气水地球化学垒，使铀沉积成矿。
- Keywords Hydrogenic uranium deposit;Geochemical barriers;Leaching action; 水成铀矿床;地球化学障;地浸作用;
- Keywords paleochannel type uranium deposit;epigenetic oxidation zonation;geochemical barrier; 古河道型铀矿床;后成氧化分带;地球化学障;
- The police put up barriers to control the crowd. 警察设置障碍物,藉以控制人群。
- The crowds were pressing against the barriers. 人群向著栅栏推挤。
- Poor health may be a barrier to success. 健康欠佳可能成为取得成功的障碍。
- The authorities put up barriers and struck a blow against freedom. 当局设置了障碍物，反对为争取自由的斗争。
- The horse took the barrier easily. 那匹马轻松地越过了障碍。
- His contention was that world trade barriers should be lowered. 他的论点是应该减少世界贸易的障碍。
- He have get over the language barrier. 他已克服了语言障碍。
- A large crowd crushed past (the barrier). 大群的人挤过了(障碍物).
- The crowd linked arms to form a barrier. 群众臂挽著臂组成人墙。
- geochemical barriers 地球化学障
- They soon overcame the language barrier. 不久他们便克服了语言上的障碍。
- The ice skater rammed into the barrier. 溜冰者撞到护栏上了。
- The lorry shaved the barrier, scraping its side. 那辆卡车掠过路障，刮坏了车身。
- A floating barrier serving to contain an oil spill. 浮木档栅一种漂浮的档栅，用来阻止流失的油份
- geochemical barrier 地球化学堤
- The government has lift trade barrier on foreign car. 政府已解除了对进口小气车的贸易壁垒。
