paleochannel meaning in Chinese
古水道
埋藏河道
Examples
- Desalting experiment of intensely salt - affected soil by planting rice in the da ' an paleochannel of the songnen plain
长期定位施肥残留养分对作物产量及土壤化学性质的影响 - This paper introduces some effective prospecting methods including geologic , geochemical and geophysical , and drilling methods according to basic characteristics of paleochannel sandstone - type uranium deposit
鉴于古河道砂岩型铀矿的特征，本文介绍了几种主要的地质、物化探及钻探等勘查方法。 - Abstract : the paleochannel sandstone - type uranium deposit which can be exploitated by low - cost in - situ leach technology is one of the most economic and competitive uranium resources in recent uranium industry
文摘:可采用低成本、原地浸出工艺开采的古河道砂岩型铀矿是当今铀工业中最具经济价值和竞争力的铀资源之一。 - The alternative changes of paleoenvironment favored the formation and imbedding of brine , which is the source of salt - water intrusion ; and the paleochannel that formed during regressive of sea level is the path of salt - water intrusion
海进时期，大面积的滨海平原被淹没，在近海平原洼地滞留的海水经过蒸发、浓缩变为卤水，成为咸水入侵的物源；海退后陆源碎屑在滨海地区沉积形成了巨厚的古河道砂层。 - Prehistoric cataclysms and their impacts on human paleo - culture have been a focus of the scientists in the world . some ancient trees relatively undamaged back , roots and branches were unearthed from paleochannel in the peking university campus . the burying position , the characteristics and the age of the trees indicate that the flowage of ancient yongding river resulted in the event at about 5000a b p . the trees , together with the neolithic culture relic unearthed at the same time , show that the disastrous floods definitely occurred at about 5000a b p in peking area
史前时期的大洪水及其对人类古代文明的影响一直是中外学者共同关心的问题。北京大学校园内出土的埋藏古树，其埋藏特征和测年数据表明它们是5000a b p前后古永定河洪水泛滥的产物，与古树同时出土的新石器时期文化遗物，提供了洪水给古代人类带来重大灾难的信息。