液

The experimental setup is designed to measure the change of dynamic holdup during the course of non-reflux period and the calculation value is consistent with the experimental results, which indicates that the downflow velocity of dynamic holdup becomes smaller with the decrease of dynamic holdup in the column during the course of non-reflux period.

本文设计了测定无回流过程中动持液量变化的实验装置，在与动态液相交换的全回流间歇精馏串联实验相同的条件下测定了无回流阶段的动持液量变化，模型计算值与实验值比较吻合，结果表明在无回流过程中随着精馏塔中动持液量越来越少，动持液向下流动速度也越来越小。

First, the orthogonal test is conducted, and the results show that slurry concentration and momentum driftage of oxidic atmosphere has a great influence on both grain size and concentration distributions; agitated manner has little influence on either grain size and concentration distributions; agitated power has little influence on concentration distribution, but has a great influence on grain size distribution.

首先用正交试验组织了试验研究，并采用直观分析法和方差分析法对正交试验结果进行了分析，发现浆液浓度对沿浆池高度气液固三相的浓度分布不均匀性有特别显著性影响，对颗粒粒度分布不均匀性有显著性影响；浆池内氧化气体的动量流率对沿浆池高度气液固三相的浓度分布不均匀性和颗粒粒度分布不均匀性有特别显著性影响；搅拌方式对沿浆池高度气液固三相的浓度分布不均匀性和颗粒粒度分布不均匀性影响不大；搅拌功率对沿浆池高度气液固三相的浓度分布不均匀性影响不大，而对颗粒粒度分布不均匀性有显著影响。

The mechanism of wetting and electroosmosis of carbon cathode is discussed by the application of surface and capillary chemistry theories, on the basis of determination of relative phenomena in this melts; The hysteresis effect of wetting angle is studied and the velocity equation of carbon cathode electroosmosis is deduced.

归纳了熔液中碳溶胶、CO〓溶胶以及Al〓C〓胶体稳定性的影响因素。（6）根据对熔液中炭阴极湿润和电渗现象的研究，通过界面化学理论和毛细管界面理论的应用，讨论了熔液中炭阴极湿润和电渗机理。研究了熔液中炭阴极湿润角滞后效应产生的原因在于测量时体系的不平衡。推导了炭阴极电渗速率的理论方程。

Under the high frequency vibrating action, the crystal grain formed on the surface of the crystal nucleus eradiation equipment would be broken and peeled off, thereby ejected to zinc molten pool continuously and served as crystal nucleus source of equiaxed grain during solidification.

结果表明，当一种带有冷却结构且进行高频振动的晶核发射器插入锌液内时，锌液在晶核发射器表面迅速形核且长大，在高频振动作用下表面形成的晶粒将被折断剥离，从而连续不断地弹射到锌液中，成为凝固过程中形成大量等轴晶的晶核来源；采用带有水冷和气冷结构的晶核发射器对锌液进行振动激发形核处理后，锌凝固组织中的等轴晶率可分别提高到65%和80%。

Abstract］ objective to investigate the clinical effect of esculin and digitalisglycosides eye drops for asthenopia after lasik.methods 100 eyes of 50 cases were given esculin and digitalisglycosides eye drops to treat asthenopia,compared with matched control subjects（100 eyes） of asthenopia and amplitude of accommodation.results in one and two weeks after lasik, esculin and digitalisglycosides eye drops were more effective compared with matched control subjects.conclusion esculin and digitalisglycosides eye drops are effective and safe for treatment of asthenopia after lasik.

目的 观察七叶洋地黄双苷滴眼液治疗lasik术后视疲劳的疗效。方法运用七叶洋地黄双苷滴眼液治疗lasik术后病人50例100眼，以视疲劳的自觉症状及眼调节幅度为观察指标，与对照组进行对比。结果术后1周及2周时七叶洋地黄双苷滴眼液治疗组较对照组主观症状及眼调节幅度有明显改善。结论七叶洋地黄双苷滴眼液治疗lasik术后视疲劳安全有效。

Magnetostrictive liquid level sensor, a kind of instrument for measurement of liquid level, is worked out on the basis of combined use of many technologies such as magnetostriction, flotage principle, electromagnetism induction and electron-technique. The measure instrument has many specialties, such as the error is tinier, the reading is righter, the range of measure is broader, the maintenance and useness is very convenient. As compared with common liquid level sensors, this kind of sensor has a lot of special advantages for high-precise measurement of liquid level.

磁致伸缩液位传感器是综合利用磁致伸缩效应、浮力原理、电磁感应、电子技术等多种技术研制而成的液位测量仪表，该传感器系统具有测量误差小、读数准确、测量范围大，维护及使用方便的特点，它在高精度液位测量领域中相对于传统液位传感器具有许多独特的优势。

According to the operating characteristic of the fluidics and the theory of hydromechanics, a dynamic model of the impactor is established, in order to bring the percussive rotary drilling technology into full play. Also a simulation program is developed to calculate the working properties of the impactor. By using the simulation program, the variation laws of the basic parameters of the hydraulic impactor under different structural parameters and hydraulics are obtained.

为充分发挥冲击旋转钻井技术的应用效果，在考虑射流元件工作特性的基础上，运用流体力学理论建立了液动冲击器工作动力学模型，并编制了计算液动冲击器性能参数的模拟程序，通过模拟计算程序得到了在不同液动冲击器结构参数和钻井水力参数下液动冲击器基本参数的变化规律。

Since the spray flow is influenced strongly by the condition of gaseous phase, the simulation of gas flow field is illustrated especially at the first part of the thesis.

此外，本文对离散液滴模型中液滴的分组采样、液滴运动轨迹的计算以及液滴的蒸发模型也作了详尽的阐述。

Continuous ethanol fermentations with and without recycling of distillage were carried out in two suspended-bed bioreactors,respectively,using two-stage enzymatic hydrolyte of corn powder as medium.

在2个单级悬浮床生物反应器中，以双酶法制备的玉米粉糖化液为底物，进行了废液循环条件下自絮凝颗粒酵母乙醇连续发酵与清液发酵对比实验。对于废液循环实验，每隔5d将收集到的发酵液集中精馏处理，得到的废糟液直接用于玉米粉调浆。

However, different form the wide use of solvent extraction in hydrometallurgy, the application of the microemulsion formed in the extraction in the nanomaterial preparation has not been studied well.

相对于液液萃取在金属分离方面的广泛应用，液液萃取过程中形成的微乳体系在材料制备方面的应用研究还处于起始阶段。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。