查询词典 water flow

In order to approach the industrialization continuous production flow, the article studied production of acid dyeable polyacrylonitrile by the continuous water phase suspension polymerization using the existing laboratory instrument. The influence of third monomer and initiator content on productivity and dye uptake of PAN were investigated.

为了接近工业化的连续生产流程，利用实验室现有的仪器设备，设计了连续水相悬浮法生产酸性染料可染聚丙烯腈的实验装置，实现了聚丙烯腈的连续聚合，并研究了第三单体、引发剂用量对聚丙烯腈上染率、产率的影响。

MethodsSeparation was performed on an Agilent ZORBAX SBC18 (4.6 mm×250 mm, 5 μm) analytical column with mobile phase consisting of acetonitrile and water with gradient elute at the flow rate of 1.0 ml/min and the column temperature 40℃.

色谱柱： Zorbax SBC18柱（250 mm×4.6 mm，5 μm），流动相∶乙腈水，检测波长：203 nm，柱温：40℃，流速：1.0 ml/min，分析时间：90 min。

Here it splashed over the edge of a vat, spattering in gemlike drops; over there it wound serpentlike away across the rock to flow hissing into a pool of brackish water.

瞧这里，这铁水溅射到一只桶的边沿，它便洒下一帘宝石般光泽的水珠；看那边，这铁水又如长蛇相似，蜿蜒穿过岩石，嘶嘶作响地流入难闻的水池中。

Based on membrane extraction and helical tube technique, the mass transfer performance of some membrane modules with a different helically wound hollow-fibre was studied with the system of 30%TBP-water and phenol as the solute. The effects of two phase flow rates, geometry of the membranes on mass transfer coefficients were investigated.

在对中空纤维膜萃取以及螺旋管技术进行充分调研的基础上，选择水-苯酚- 30 %TBP煤油为实验体系，溶质由水相萃取到有机相，在不同结构的单束螺旋状中空纤维膜器中研究了螺旋管纤维膜管内外流速以及螺旋管结构等因素对传质系数的影响。

ConclusionThe extraction rate of volatile oils from Heracleum hemsleyanum Diels by supercritical CO2extraction process is higher than that of water vapor distillation,and the optimized extraction conditions are:extraction pressure 25MPa,extraction temperature 45℃ and flow rate of CO2 20L/h, and the yield of volatile oils is 0.65%.

结果通过各因素级差大小的比较可知：萃取压力的变化对萃取率的影响最大，萃取温度次之，而CO2流量对萃取率的影响最小。结论超临界CO2萃取牛尾独活挥发油的萃取率较水蒸气蒸馏法高，最佳萃取条件为萃取压力25MPa，萃取温度45℃，CO2流量20L/h，挥发油收率为0.65%。

ConclusionThe extraction rate of volatile oils from Heracleum hemsleyanum Diels by supercritical CO2extraction process is higher than that of water vapor distillation,and the optimized extraction conditions are:extraction pressure 25MPa,extraction temperature 45℃ and flow rate of CO2 20L/h, and the yield of volatile oils is 0.65%.

超临界CO2萃取牛尾独活挥发油的萃取率较水蒸气蒸馏法高，最佳萃取条件为萃取压力25MPa，萃取温度45℃，CO2流量20L/h，挥发油收率为0.65%。

T herma technique ; stem sap flow ; water consumption

热技术；树干边材液流；林木耗水

Based on the observations of groundwater and gases, it is shown that the flow change at the exit of water have influence upon hydrochemical components.

利用地下水气的化学成份进行地震的监视预报工作，在我国已有O多年历史，积累了较为丰富的实际资料。

In this paper, the hydrochemical characteristics, water temperature and regime of every group are analyzed, and the changing regulation is revealed, the relativity, tendency and periodicity of the springs flow are calculated.

本文将其分为五个泉组，分别对各个泉组的水化学、水温及动态特征进行了分析，阐述了它们的分布规律及变化特征；对泉群流量的动态变化进行了相关分析、趋势分析和周期分析。

Huge quantities of ground water deposited in the limestone flow from south to north and are blocked by the magmatic rocks.

由于在济南的地面下，存在着许多地壳裂痕，大量的地下水在压力的作用下流出地面。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。