Selection of mobile phases for the determination of γ-schisandrin and multi-active constituents in Schisandra chinensis and its preparations by high performance liquid chromatography
高效液相色谱法测定五味子和含五味子的制剂中五味子乙素及多种活性成分时流动相体系的选择
6 cm250 cm,5 μm) was used and the ultraviolet wavelength for RP-HPLC,the compositions and pH of mobile phase and concentration of K2HPO4 in mobile phase were sifted by repeated tests.
6 cm×250 cm,5μm)为色谱柱,对液相色谱紫外线检测波长和流动相的溶液配比、K2HPO4离子浓度和pH值进行筛选。
And it outlined the supercritical CO2 technology superiority as well as the chiral stationary phase,the mobile phase and the operating condition,and also introduced the utilization of preparative supercritical CO2 chromatography.
综述了国内外超临界CO2色谱拆分手性农药的研究进展,概述了超临界CO2技术的优越性以及色谱的手性固定相、流动相和操作条件,并介绍了制备型超临界CO2色谱的应用。
Numerical simulation on two-phase flow field of electrolyte in 156kA aluminum reduction cells;
156kA铝电解槽内电解质两相流动的数值模拟
Experimental study on gas-solid two-phase flow in a horizontal entrained bed;
水平携带床气固两相流动的实验研究
Numerical simulation of gas-solid two-phase flow in semiround-pipe inertia separator;
半圆管惯性分离器气固两相流动数值模拟
Progress of non-Newtonian fluidic multiphase flow and heat transfer in micro-and mini-channels;
微/小通道内非牛顿流体多相流动与传热研究展望
Numerical computations of the gas-particle multiphase flow in a tangential furnace of the power station;
大型电站锅炉四角切圆炉膛中气体煤粉多相流动特性的数值试验研究
The image logging belongs to the non-uniform medium non-linear survey,through projection scanning and inversion processing for multiphase flow information in oil gas well,fluid distribution and mobile situation are demonstrated in image in real time.
成像测井属于对非均匀介质的非线性测量,通过对油气井内多相流动信息的投影扫描和反演处理,实时成像显示流体的分布和流动情况。
Regarding the multi-phase flow of underbalanced drilling, the UBD circulation flow is analyzed by dividing it into downward flow in drill string and the upward flow in the annulus, and the mixture flow is studied by separate analysis of the gas flow and liquid flow.
针对欠平衡钻井多相流动循环系统的难题,把欠平衡钻井循环流动分为钻柱内向下流动和环空向上流动来进行分析,按气、液两相流动问题研究该混合体系流动过程,建立了新的适用于钻柱内和环空的统一理论模型。
The unit is used to measure the flowrates of multi-phase flow of oil, gas and water.
利用该仪器测量油、气、水多相流动的各相流量,通过模拟井动态实验验证了该测井方法的可行性,适用于我国90％以上的生产井,克服了现有国产仪器不能测气和用集流伞下井测量等缺点。
mobile phase(ACN: water) was 25:75;
流动相(乙腈∶水)为257∶5;
alternating current single phase induction motor
交流单相感应电动机
single-phase commutator induction motor
单相整流子感应电动机
hydrodynamical interaction
流体动力学的相互作用
hydrodynamic interaction
流体动力学相互作用
three-phase AC asynchronous motor
三相交流异步电动机
automatic process gas chromatograph
自动化流程气相色谱仪
flow in which the velocity at any point is relatively steady.
速度相对稳定的流动。
weightlifting has not only flourished,
举重运动一直相当流行，
DC quadricorrelator
直流自动调节相位线路
three - phase commutator motor
三相交流换向器电动机
three-phase alternating current induction motor
三相交流感应电动机
STUDY ON THE HYDRODYNAMIC PROPERTIES IN A COCURRENT THREE PHASE FLUIDIZED BED
气液并流向上三相流化床流体流动性质的研究
Image Measurement of Two-Phase Flow Characteristic in Centrifugal Pump Impeller;
离心泵内两相流流动特性的图像测量
Study on Soft Measurement Method of Gas/Liquid Two-Phase Flow Parameters;
气液两相流流动参数软测量方法研究
Multiscale Simulation of Nanofluid Multiphase Flows
纳米流体多相流动的多尺度模拟方法
Numerical simulation on solid-liquid two-phase flow in a double channel pump
双流道泵内固液两相流动的数值模拟
Two-phase Flow CFD Simulations and Its Study;
计算流体力学两相流流动的模拟及两相流模型的研究