查询词典 rate of flow

The rate constants of the reaction of α-tocopheroxyl radical with linoleic acid,〓, were determined to be 0.43 and 0.60〓 in SDS and CTAB micelles respectively by using stopped-flow EPR technique, which are in good agreement with the results obtained from the computer simulation.

同时，通过停止-流动的EPR方法我们测定了α-生育酚自由基在SDS与CTAB胶束中与底物亚油酸的反应速率常数〓分别为0.43与0.60〓，与我们通过计算机模拟得到的值比较接近。

Described the design of supercritical fluid extraction principles; combination of star anise essential oil of the nature of the proposed extraction conditions for extracting pressure 15MPa, extraction temperature 40 ℃, CO2 flow rate 830 ~ 850L / h, extraction time of 2h, the extraction conditions selected temperature swing separation, further development of the star anise crushed, CO2 super-critical phase transition, extraction, separation and packaging processes; in determining the production process on the basis of material balance, heat balance, extractor size calculation, piping calculation and packaging process is calculated; for the pollution occurred during the production, analysis of pollution sources, pollution control and waste treatment proposed measures; accounting of production costs and value.

本设计阐述了超临界流体萃取技术的原理；结合八角精油的性质，提出萃取条件为萃取压力15MPa，萃取温度40℃，CO2流量830～850L/h，萃取时间2h，根据萃取条件选用变温变压的分离方式，进一步制定了八角粉碎、CO2超临界相变、萃取、分离和包装等工序；在确定的生产工艺流程的基础上进行物料衡算、热量衡算、萃取釜尺寸计算、管路计算和包装工序计算；针对生产过程中出现的污染，分析污染的来源，提出控制污染和废料处理的措施；核算生产的成本和价值。

Objective To asses the effect of anticholinergic agent on the treatment of child asthma and to study the changes in peak expiratory flow rate.

目的 观察抗胆碱能受体阻滞剂在儿童哮喘治疗中的作用及肺功能呼气峰流速的变化。

The ultrasonic-assisted solvent extraction and quantitative analysis of the oxine-copper residues in soil with ion pair of antiphase HPLC was established. This methods mainly uses XBridge C5 column and UV detector by using waters phase of phosphatic buffered solution/acetonitrile (60:40, by vol) as mobile phase with 0.8 mL/min flow ratio and UV detection at 245 nm. The residue time was 4.72 minute. The linear correlation of this method was 0.9987. The recovery rate was 76.2 to 108.7%. Comparatively standard deviation was 0.6 to 3.37%. The detection limits of method was 0.05 mg/kg.

建立了土壤中喹啉铜的超声波辅助溶剂提取－反相离子对高效液相色谱法的残留分析方法，该方法使用XBridge C18色谱柱和可变波长紫外检测器，并以水相磷酸盐缓冲体系－乙腈（体积比60：40）作流动相；流速为0.8mL/min；检测波长为245nm；保留时间为4.72min；线性相关系数为0.9987，回收率在76.2%~108.7%之间，相对标准偏差在0.6%~3.37%之间，对土壤的最低检出限为0.05mg/kg。

Purpose of color Doppler flow imaging of atherosclerosis of the renal artery stenosis and the value of coronary artery ARAS in contrast with the prevalence rate and related factors.

目的 探讨彩色多普勒超声诊断动脉粥样硬化性肾动脉狭窄的价值，以及冠状动脉造影患者中ARAS的患病率及其相关因素。

The website also is such, the reader that of all kinds goes each is all sorts of biology in this ecosystem, each channel, column, page is the geographical system that they wear arris to go there and back, when and the website grows on a few months steadily, a few years, so of these readers read a habit, read the tendency, flow-rate ratio exemple to be able to achieve a kind of dynamic balance.

网站也是如此，各色各行的读者就是这个生态系统中的各种生物，各个频道、栏目、页面就是他们穿棱往返的地理系统，当且网站稳定地发展上几个月，几年，那么这些读者的阅读习惯、阅读倾向、流量比例就会达到一种动态平衡。

A website also is such, the reader that of all kinds goes each is all sorts of biology in this ecosystem, each channel, column, page is the geographical system that they wear arris to go there and back, when and a website grows on a few months steadily, a few years, so of these readers read a habit, read the tendency, flow-rate ratio exemple to be able to achieve a kind of dynamic balance.

一个网站也是如此，各色各行的读者就是这个"生态系统"中的各种生物，各个频道、栏目、页面就是他们穿棱往返的地理系统，当且一个网站稳定地发展上几个月，几年，那么这些读者的阅读习惯、阅读倾向、流量比例就会达到一种动态平衡。

ABSTRACT Based on theoretical analysis of axial compression of ring-shape specimen between two flat dies by an upper-bound technique,it is possible to carry out the measurement of both the friction coefficient of lubricant and the basic flow stress of the ring material under particular temperature and strain rate.

摘 要 根据圆环压缩的连续速度场上限定理的理论分析，通过圆环试样压缩前后的几何尺寸的变化，能测量润滑剂的摩擦因数和圆环材料的流变应力。

Methods: A Diamonsil C18 column was used with the mobile phase of 0.1% ammonium acetate solution-methanol (10:90) at the detection wavelength of 240 nm. The flow rate was 1.0 mL/min. Benzyl benzoate was used as internal standard.

采用Diamonsil C18柱，流动相为0.1%乙酸铵溶液：甲醇(10：90)，流速1.0 mL/min，检测波长240 nm，以苯甲酸苄酯为内标。

A theoretical analysis method for head-flow rate curves of helico-axial multiphase pump was proposed on the basis of the basic energy equation for axial pump and Bernoulli equation.

基于轴流泵的基本能量方程式和伯努利方程，提出了螺旋轴流式多相混输泵的扬程—流量特性曲线的理论分析方法。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。