水中分娩与常规分娩脐带血采集质量的比较分析_妇产科论文 关键词】 脐带血采集方法;水中分娩;脐带血质量 [gap=1082]Key words】 collection method of cord blood; water delivery; quality of cord blood
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armored water delivery hose 铠装输水管
water delivery hose 输水胶管
Water delivery structure 输水建筑物
Asymmetric Water Delivery 不对称输水
Daning Surge Tank,the surge structure of the Channel of the South-to-North Water Transfer (Middle Line) Project,connects the PCCP pressure pipe on upper course,and the water delivery underdrain on lower course with the function of adjusting the pressure and the flow rate of water delivery and the function of recession,which is important to the security of the project and the water delivery. The methods and result of the water level of tank,the area of tank bottom,the volume,and the elevation of tank top and bottom were analyzed.
大宁调压池是南水北调中线工程北京段总干渠上的调压建筑物,上游连接PCCP压力管道,下游连接钢筋混凝土低压输水暗涵,具有调节供水压力、供水流量和退水功能,对保证工程安全和供水安全具有重要作用。
参考来源 - 大宁调压池工程分析与设计—《南水北调与水利科技》—2008年第1期—龙源期刊网·2,447,543篇论文数据,部分数据来源于NoteExpress
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