反萃取

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20, ODS and preparative HPLC). Structures of active compounds were determined by high-resolution 2D NMR(600 MHz) and ESI-MS techniques.

通过分级萃取和多种硅胶柱层析（Sephadex LH-20凝胶过滤、ODS反相层析和HPLC）追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

Methods: Antineoplastic compounds were screened by bioassay-guided method with partitive extraction and multiple column chromatographies(Sephadex LH-20,ODS and preparative HPLC).

通过分级萃取和多种硅胶柱层析(Sephadex LH-20凝胶过滤、ODS反相层析和HPLC)追踪分离抗癌活性成分；利用电喷雾离子质谱和高分辨(600 MHz)核磁共振二维谱技术鉴定化合物的结构。

The quantitative analysis method of high performance liquid chromatography was established to determine the absorption of tebuconazole by mycelium of Rhizoctonia cerealis.

建立了禾谷丝核菌Rhizoctonia cerealis菌丝吸收戊唑醇的反相高效液相色谱检测方法，样品经萃取净化后过HPLC检测，外标法定量。

The total extract and extracts by three solvent did not show any bioactivity against seed germination of Amaranthus retroflexus at a concentration of 12.5 mg/ml.

室内除草活性测定结果表明，总浸膏及各萃取段在浓度为12.5mg/ml时对反枝苋种子萌发、幼根和幼茎生长无明显抑制作用。

The study on pharmacokinetics of Glycocholic acid in rats Solid extraction -reversed-phase high performance liquid was used to detect the concentration of glycocholic acid in blood serum,liver, kidney and brain tissue in rats.

甘氨胆酸在大鼠体内的药代动力学研究采用固相萃取-反相高效液相色谱法测定了大鼠血清及肝、肾、脑组织中甘氨胆酸的含量。

Three flavonoids compounds: kaempferol *!, quercetin *, and isoquercitrin *# were isolated from the leaves of Cyclocarya paliurus Batal.

采用溶剂萃取及多种色谱技术分离纯化，根据理化性质和光谱分析方法鉴定其结构，确定从青钱柳中分离得到山柰酚、槲皮素和异槲皮苷 3个黄酮单体化合物，并用反相高效液相色谱法对其含量进行了测定，测得各自在甲醇和水提取物中的含量：山柰酚 0 。

C18 esterified silica monolithic column emerging from chromatogram realm was made by use of solid-phase extraction medium material in μ-TAS. Several simple solid-phase extraction pretreatment units were set up to preconcentrate dobutamine hydrochloride which was detected by dobutamine hydrochloride-KMnO4-Luminol chemiluminescence system.

以改性C18反相硅胶整体柱为微流控芯片分析系统中固相萃取介质材料，构建不同功能单元的样品预处理微分析系统，实现了血清样品中痕量盐酸多巴酚丁胺的富集。

Extraction of protein in calcium lactate by AOT/CTAB mixed reverse microemulsions in supercritical CO2 was studied.

研究了超临界CO2下AOT/CTAB混合反胶团体系萃取乳酸钙中影响产品品质的杂蛋白质。

The extraction of amino acids by reversed micelles shows a good application in industry.

利用反胶束技术萃取氨基酸的研究显示了良好的工业化应用前景。

The reverse micelles system is similar to the living environment and is widely used in activity control and extraction of bio-product.

反胶束体系是一种类生命环境介质，被广泛应用于生物物质活性控制及萃取方面的研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。