查询词典 liquid flow

The comparison studies on gossypol of different genetic types of pigment gland in the seeds of cotton newly bred, including the special and common glandless and glanded ones, was conducted through highperformance liquid chromatography on a C18 Column with methanol 0.5% acetic acid aqueous solution, 90∶10 as mobile phase at a flow rate of 0.8mL·min-1 and UV detection at 254 nm.

运用高效液相方法对新近育成的特殊和普通的无腺体陆地棉及特殊和普通的有腺体陆地棉及海岛棉等多种遗传类型品种材料的棉酚含量进行了比较研究。实验以一反向C18色谱柱为固定相，甲醇 0.5%的醋酸90∶10为流动相，流速为0.8mL·min-1，建立了分离度好、准确而快速的棉酚HPLC测定方法：其最低检测限量3×10-6g/mL-1，精密度和准确度均小于10%，回收率为100.4%～103.2%。

Based on Chen's correlation and our experimental data, a new revised correlation was proposed for the calculation of frictional pressure drop of gas liquid two-phase flow in helically coiled tubes oriented with various axial angles.

在对试验结果及前人研究结果进行详细分析的基础上，获得了第一个能适用於不同倾角放置螺旋管的单相及汽液两相摩擦阻力计算式，从而为汽液两相摩擦阻力及螺旋管的进一步研究和应用提供了依据。

One area contains the multiphase transport in relation to soil sciences, building material and energy saving, and drying processes, for example a multiphase flow including liquid, vapor and incondensable gas.

其一为土壤学，建筑材料节能以及干燥工业中常见的多相流问题，包括液体、蒸汽以及不凝性气体流动。

Objective To investigate the changes of pulmonary blood flow distribution and the levels of TGF-β1 in alveolar lavement liquid and the sera in the course of radiation-induced pulmonary damage.

目的观察放射性肺损伤过程中肺血流分布改变和肺泡灌洗液及血清中TGF-β1水平变化。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

摘 要：对液氮在0.5～1.5mm狭缝通道内受迫流动沸腾换热的情况进行了研究。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

对液氮在0.5～1.5 mm狭缝通道内受迫流动沸腾换热的情况进行了研究。

It was shown in our experiment that boiling heat transfer coefficient of forced liquid nitrogen flow in lunate channel is 3～5 times larger than that in smooth tube.

狭缝强化传热是一种新兴的强化传热技术，它具有温差小、传热效率高的特点。

The effect of flow rate, property and concentration of misted liquid on hole stability are studied.

利用雾化空气钻井模拟实验装置，研究了风速、雾化液性质、雾化液在空气中的浓度对井壁稳定性的影响。

MethodsHigh Performance Liquid Chromatography was performed Diamonsil C18. The chromatography conditions were as follows: methanol - 0.1mol/L monobasic potassium phosphate (50∶50) as mobile phase, flow rate being 1.0ml/min and detecting wavelength was 290nm.

方法采用高效液相色谱法，色谱柱为Diamonsiltm C18柱；流动相：甲醇-0.1 mol/L磷酸二氢钾水溶液（50∶50）；流速：1.0 ml/min；检测波长：290 nm。

A method for the determination of phenol and catechol in tobacco leaf by high performance liquid chromatography with methanol and 0.05 mol/L of monopotassium phosphate as mobile phase at a flow rate of 0.5 mL/min was described. Phenol and catechol were extracted from tobacco sample by distillation and solid phase extraction with Sep Park C 18 cartridge.

引 言挥发酚是烟草中一类重要的成分，它在烟草燃烧时直接进入烟气，大多有不好的气味，而且很难被掩盖；特别是苯酚和儿茶酚对呼吸系统有腐蚀作用和助癌作用，近年来逐渐引起了烟草化学工作者的注意〔1〕。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐