A liquid bisphenol-A epoxy resin E51 was fractionated using a column separation technique,and a single composition epoxy resin(high purity epoxy,HPE) with a molecular weight of 340 was collected.
采用柱分离法对液态双酚A环氧树脂E51进行分离,得到分子量为340的单组分环氧树脂,并对其进行了IR、NMR和ESI-MS表征。
Some compounds were extracted with alcohol from Sang uisorba root,from which saponnins were separated completely throug h column separation and ultra violet analysis.
从地榆根部的乙醇提取物中获得若干化合物,经柱分离及紫外分析,将皂甙与其他成分完全分离。
Basic analysis on the gas flow field in separating column of the circumfluent circulation cyclone separator;
环流循环除尘系统分离柱内旋风流场的基本分析
The homemade YSA8 type anion separating column can't separate F- ,Cl- ,NO3- and SO42- after loosing capability.
国产YSA8型阴离子分离柱,因失效无法分离F~-、Cl~-、NO_3~-和SO_4~(2-)4种离子,用HCl法处理,并重新选择合适淋洗液浓度后,能成功地分离F~-、Cl~-、NO_3~-和SO_4~(2-)。
This paper establishes a mathematical model of the gas flow field inside separating column of the circumfluent circulation cyclone separator based on the N-S equation under column coordinate,gives the resolution of the cyclone flow field in separating column with weighted residual method,and compares computation values with trial values as well.
由柱坐标系下的Navier-Stokes方程出发,建立了环流循环除尘系统分离柱内流速场新的数学模型,利用具有成熟使用经验的加权残值法对流场进行求解,并与实验结果进行了比较。
Column Separation/Preconcentration and ICP-MS for Trace Elements and Elemental Speciation Analysis;
柱分离富集/等离子体质谱痕量元素及形态分析
Studies on Electrokinetics and Dynamics in Capillary Perfusive Electrochromatography and Liquid Chromatography;
毛细管填充柱分离系统中电现象及分离行为研究
double column rectifier for air separatio
空气分离双柱精离塔
Separation of Proteins Using Strong Cation-exchange Monolith
强阳离子交换整体柱用于蛋白的分离
Join the selected cells column by column using some separator and place the results to:
加入选定的细胞柱，柱用一些分离器，并把结果：
Selective Flotation between Spodumene and Beryl
锂辉石与绿柱石浮选分离的试验研究
Study on Separation and Preparation of Avermectin B_1by Silica Gel Column Chromatography;
柱层析分离制备阿维菌素B_1的研究
P G I Pand Wheat Phytoalexin are Purified by Colum n Chrom atography and T L C;
用柱层析和TLC分离小麦PGIP和植保素
Numerical Simulation and Structure Optimal of Columnar Gas and Liquid Separator
柱状气液分离器数值模拟及结构优选
Study on separation of H_2/HD by cryogenic distillation with two interlinking columns
双柱级联低温精馏分离H_2/HD过程研究
SEPARATION OF SATURATED AND AROMATIC HYDROCARBON USING FINE SILICA GEL
细硅胶层析柱对饱和烃和芳烃的分离
Separation of ethyl α-linolenate by urea column chromatography
尿素柱层析分离α-亚麻酸乙酯的研究
ZTFDTD analysis of inhomogeneous unmagnetized plasma cylinder
不均匀非磁化等离子体柱的ZTFDTD分析
Multi-Column Complementary Separation and Analysis for PCBs by High Performance Gas Chromatography;
多氯联苯（PCBs）气相色谱多柱互补分离与分析
Separation and Purification of Proteins and Application of Drugs in Human Body on Ion-Exchange Monolithic Column;
离子交换整体柱在分离纯化蛋白质及体内药物分析方面的研究
The distributive rules of chlorine ion in concrete column were also discussed.
同时还探讨了混凝土柱中氯离子分布的规律。
5 chromatographic zones were separated from Chinese lac food pigment using column chromatography.
我国食用紫胶色素经柱层析分离出五个谱带。
Study on the Process and Mechanism of Flotation Separation between Spodumene and Beryl
锂辉石与绿柱石浮选分离工艺及机理的研究