[Association between serum uric acid and airflow obstruction based on the health-checkup population]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZhou Q, Yang Q, Shi S, Li P, Sun F.
europepmc +1 more source
[Predictive value of strobovideolaryngoscopy, acoustic and aerodynamic measures in the prognosis of temporally unilateral vocal fold paralysis after thyroidectomy]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2022 Chen R, Wu M, Yang J, Chen W, Liang F.
europepmc +1 more source
[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
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, 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
[Preparation of fluorescent carbon dots by flow-assisted melt polymerization for tetracycline detection in medical wastewater]. [PDF]
Se PuLiu ZW +8 more
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, 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
[Determination of 40 carbonyl compounds in ambient air by high performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]
Se PuLi GH +8 more
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, 1986 本文首先给出单流体模型和双流体模型中压强和热流等物理量的两种不同定义。然后通过引入流场中某面元dS的动置流密度M和能量流密度δ来讨论压强和热流等量的物理意义。指出,在描述混合物运动的守恒方程中以采用单流体模型定义的各量为宜,在描述组元运动的守恒方程中以采用双流体模型定义的各量为宜。本文还详细讨论了稠密混合气体中的碰撞压强和碰撞热流,说明它们的来源,它们在动量方程和能量方程中的表达形式,以及它们同通常的分压和分热流的本质差别。 气固两相流可视为一种稠密的混合气体流动。两相流中关于动置方程中是否应有 ...
刘大有
core
[Safety and Clinical Benefit Analysis of No-chest-tube Strategy After Uniportal Video-assisted Thoracoscopic Pulmonary Wedge Resection Based on Propensity Score Matching]. [PDF]
Zhongguo Fei Ai Za ZhiLin C +7 more
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