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浅析民乐县山城河农村饮水安全工程设计 被引量:1
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作者 孙斌 《农业科技与信息》 2021年第9期108-109,共2页
本文对民乐县山城河农村饮水安全工程的取水构筑物、净水厂、管理房、配水泵房及水泵、调节建筑物、管道穿越道路、渠道、水源保护标志牌等进行了探究,以期为项目工程的顺利实施提供参考。
关键词 山城河 农村饮水安全工程 设计
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Survey and establishment of Nanshimenzi Bed of Tiaojishan Formation in Qinglong,northern Hebei,China
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作者 WANG Shiying ZHAO Cuilin +2 位作者 ZHU Zhipeng ZHANG Lijun HU Dongyu 《Global Geology》 2017年第1期14-20,共7页
In recent years,many fossil vertebrates,including feathered dinosaurs,have been discovered at Nanshimenzi village,Gangou Town,Qinglong County,Hebei Province,China.A geological section including the fossil-bearing stra... In recent years,many fossil vertebrates,including feathered dinosaurs,have been discovered at Nanshimenzi village,Gangou Town,Qinglong County,Hebei Province,China.A geological section including the fossil-bearing strata was measured at Nanshimenzi,to determine the exact geological age and sedimentary characteristics of the section,and a new lithostratigraphic unit was named as the Nanshimenzi Bed.The Nanshimenzi Bed is about 56.6 m in thickness,mainly consisting of gray sandstones and siltstones and containing fossil vertebrates and several coal streaks.On the basis of survey and comparison,the Nanshimenzi Bed should be assigned to Tiaojishan Formation and probably to the upper part of the formation. 展开更多
关键词 Middle-Late Jurassic Yanliao Biota Tiaojishan Formation Nanshimenzi Bed northeastern China
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