, 2012 一种油、气、水多相流量计，包括：水力旋流器，气液缓冲罐，主分离罐，气体测量管路，油相、水相测量管路和控制系统；所述气液缓冲罐和主分离罐分别与水力旋流器相连，气体测量管路一端与气液缓冲罐相连，另一端与下游管道相连；两个液体测量管路的一端与主分离罐相连，另一端均与下游管道相连；油气水混合液经过水力旋流器处理后，所排出的气体经过气液缓冲罐进入到气体测量管路，对混合液中的气体含量进行测量。所排出的油水混合液通过管道进入到主分离罐中，并在主分离罐中通过重力，将混合液中的油和水分离开，分离出的油 ...
许晶禹 +4 more
core
[Study on simulated airflow dynamics of children with obstructive sleep apnea treated by different surgical methods]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za ZhiGuo W, Lei Q.
europepmc +1 more source
[Evaluation of the accuracy of three-dimensional data acquisition from liquid- interference surfaces assisted by a scanner head with a compressed airflow system]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanXu X +9 more
europepmc +1 more source
Shuitu Baochi Xuebao目的针对我国流域陆地水储量变化的驱动模式分类不明和空间分异规律认识不清的问题，本研究旨在定量识别多因素对陆地水储量变化的贡献，揭示陆地水储量变化的驱动模式及其空间格局，为全球变化背景下流域水资源的可持续利用与管理提供科学支撑。方法采用Mann-Kendall趋势分析、偏相关分析和随机森林模型，结合重力恢复与气候试验（GRACE）卫星数据、气象站点、流域特征数据和人类活动数据，量化气候、人类活动和流域特征对我国214个三级流域陆地水储量变化的相对贡献，并采用K ...
邓诗宇, 张明芳, 侯怡萍
doaj
[Preparation of fluorescent carbon dots by flow-assisted melt polymerization for tetracycline detection in medical wastewater]. [PDF]
Se PuLiu ZW +8 more
europepmc +1 more source
[Development and performance testing of a high-sensitivity pulsed flame photometric detector]. [PDF]
Se PuChen JB +4 more
europepmc +1 more source
[Digital Drainage Systems in Postoperative Chest Tube Management after Pulmonary Resection: Current Status and Future Perspectives]. [PDF]
Zhongguo Fei Ai Za ZhiWang Y +5 more
europepmc +1 more source
[Pediatric thunderstorm asthma in China: epidemiological characteristics and comprehensive management]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiHan P, Shen KL.
europepmc +1 more source
, 1998 在直径７０ｍｍ的流化床中，采用ＦＣＣ、空心玻璃珠、细沙等Ａ类和Ｂ类颗粒，在０￣１０Ｈｚ的频率范围内，测定了气固脉冲流化床的流体力学特性。采用时间继电器改变脉冲气流的频率和脉宽周期比，利用微压传感器记录床层压力变化，研究了瞬时床层压力、平均床层压力，最大床层压降、起始流化速度、床层高度等随操作条件的变化规律，并对脉冲流化床中的气泡现象进行了初步的观察和研究 ...
刘大有, 聂永生
core
[Evolution of treatment strategies and risk-stratified management of patent ductus arteriosus in preterm infants]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiLiu TX, Shi LP, Chen Z.
europepmc +1 more source