The changing slope of maximum velocity w.
通过模拟一系列底宽导流明渠内的流场,得到了底宽一定时明渠最大流速随流量的变化关系,以及流量一定时明渠最大流速随底宽变化的斜率,进而得到了斜率与流量之间的非线性关系,研究成果可为导流明渠的设计提供依据。
Based on the theoretical analysis and experimental investigation in open channel with U-shaped cross section,it is found that the position whereby the maximum velocity appears below the water surface because the secondary currents,and found the velocity distribution in vertical have deviation from log law and parabola function.
通过对U形渠道断面流速分布进行理论分析和试验研究,发现断面内最大流速发生在水面以下,综合国内外学者使用不同的流速仪对矩形明渠和复式断面明渠的试验资料,得出最大流速发生在水面以下是由于二次流的存在引起的。
Methods:IL 13 level from cultured peripheral blood mononuclear cell(PBMC) supernatant was determined by ELISA,and peak expiratory flow(PEF) and eosinophil count were also examined in 23 patients with asthma and 20 healthy subjects.
方法 :采用酶联免疫法 (ELISA)测定 2 3例哮喘患者外周血单个核细胞 (PBMC)培养上清中IL 13、峰流速仪测定最大呼气流速 (PEF)占预计值 %及直接测定外周血嗜酸细胞 (Eos) ,并与 2 0名健康正常者的结果进行比较。
Application of peak expiratory flow rate in asthmatic children;
最大呼气峰流速在儿童哮喘中的应用
The velocity slip maximum and flow velocity maximum are corresponding to different density.
在对不同密度的流体的模拟分析中发现,最大速度滑移与最大流速对应不同的流体密度。
1. The maximum current speed and SSC occour during spring ebb, and the minimum one occours during neap flood.
1．最大流速和含沙量都发生在大潮落潮，最小流速和含沙量都发生在小潮涨潮。
The maximum velocity of regurgitation was 1.46～2.51M/S.
其最大返流速度为1·46~2·51M/S;
Effects of Delay Probability and Maximum Velocity on the Traffic Flow
延迟概率和最大速度对交通流的影响
The maximum surface velocity near the center is somewhere between one and two feet per day.
靠近中心的最大表面流速为每天大约1～2英尺。
Reference Values for the PEF in Healthy Children in Xinjiang;
新疆地区正常少年儿童最大呼气流速值测定
Maximum continuous flow based on pipe line velocity of 20 ft. per second.
最大持续流量以管路流速每秒20英尺为计算基础。
Maximum intermittent flow based on pipe line velocity of 25 ft. per second.
最大间歇流量以管路流速每秒25英尺为计算基础。
The maximum water flow shall be used for water flushing for piping system, with a flow rate not less than1.5 m/ s.
管道系统水冲洗时，宜以最大流量进行冲洗，流速不得小于1.5m/。
Stop-check valves are best suited for low to moderate velocity applications.
截流止回阀最适用于低流速或中流速应用环境。
Inpidual jet maxima are frequently found at the tips of deep low-pressure troughs.
某些急流其最大风速中心常发现位于深低压槽的底端。
En route you save time by maintaining full speed even at rush-hour traffic volumes.
即使是在车流量最大的高峰时段，也能一路全速行驶，从而节省时间。
DETERMINATION OF MAXIMAL EXPIRATORY FLOW VOLUME(MEFV)CURVES OF 260 HEALTH OLD PEOPLE IN CHENGDU
成都地区260例健康老年人最大呼气流速—容量曲线的测定
Study on Optimal Velocity of Transcranial Doppler in Diagnosis of Middle Cerebral Artery Stenosis;
经颅多普勒超声评估大脑中动脉狭窄的最佳血流速度临界值
The largest subcategories on each page are listed in bold letters, helping you to find the most popular categories in the directory more quickly.
每页上的最大的子范畴在大胆字母被列出，帮助你更快速发现在目录的最流行的范畴。
and the average flow velocity of rising tide is generally bigger than that of ebb tide.
涨潮平均流速一般大于落潮平均流速。
a baseball thrown with maximum velocity.
用最大的速度投出的球。
maximum limit of speed setting
速度调节的最大极限