色质

A method used to simutaniously analyze the residues of herbicides 2, 4-dichlorophenoxyacetic acid (2,4-D), 2-(2,4-dichiorophenoxy) propanoic acid (2,4-DP) and 2,4-dichiorophenoxybutyric acid (2,4-DB) in garlic was developed in our study.

本研究建立了一种应用基质固相分散－高效液相色谱法，同时测定大蒜中2，4-二氯苯氧乙酸、2，4-二氯苯氧丙酸及2，4-二氯苯氧丁酸等3种2，4-D类除草剂残留的方法。

The detection data were judged immediately with the analysis software by editing MACRO for identification of metformin, phenformin, glibenclamide, gliclazide, glimepiride, gliquidone, glipizide and acarbose in samples with high sensitivity.

分析仪器为高效液相色谱－单四极杆质谱检测器，使用编辑好的MACRO数据分析软件，可以迅速得到胶囊和片剂类保健食品中二甲双胍等8种降糖药物的检测结果。

But these studies show that the ability to recognise different tastes can be altered by the neurotransmitters serotonin and noradrenaline and by people's mood.

但是，该研究表明，神经递质5-羟色胺和去甲肾上腺素以及人们的情绪能够改变人们对不同味觉的感知能力。

The main contents are as follow: 1. Calixarenes and their derivatives were synthesized. Their structures were characterized by infared spectroscopy, thermal analysis and mass spectrometry. Their purities were detected by HPLC with more than 90%.

合成杯芳烃母体及其衍生物，采用红外光谱、热分析和质谱法对其进行表征，用高效液相色谱的面积归一化法测定其纯度，得到纯度在90％以上的对叔丁基杯[4、6、8]芳烃和杯[4、6、8]芳烃。

Methods: The samples were extracted with methanol sonically, diluted and filtered before LC-Trap detection.

样品加甲醇超声提取，经稀释和过滤，进行液相色谱－离子阱质谱联用检测。

Infrared, ultraviolet, and mass spectrometry Gaoxiaoyexiang tests showed that benzene p rosin in neighbouring seats husband alkali metal objects with catalytic, the oxide containing hydroxy generated, ethylene, or a functional group, such as the Food oxide product.

红外、紫外、高效液相色谱和质谱测试表明，松香在邻苯二胺席夫碱金属配合物的催化下，氧化生成了含羟基、环氧基、过氧基等官能团的氧化产物。

Biomass-based tar ; dry distillation carbonization ; chemical component ; Gas Chromatography-Mass Spectrometry

生物质焦油；干馏炭化；化学组成；气相色谱-质谱

Methods TIL in the patients with PHC were separated with combinative enzymatic digestion of type Ⅰ,Ⅳ collagenases,type Ⅴ hyaluronidase and type Ⅰ deoxyribonuclease followed by discontinuous density gradients.Cytotoxicity of TIL to liver cancer cells was detected with MTT method.

采用Ⅰ型和Ⅳ型胶原酶、Ⅴ型透明质酸酶和Ⅰ型DNA酶四联酶消化，应用不连续密度梯度离心分离TIL，采用MTT比色法检测TIL对自体癌细胞及肝癌细胞株的细胞毒。

As support, Agarose can benot only used in normal condition, but also in denaturalization (for example, 6 mol/Lhydrochloric acid carbamidine or 8 mol/L urea). Herein, the preparation of IMACmatrixes were conducted using agarose as support, carboxymethylated aspartate as chelating ligand and Co~(2+) and Ni~(2+) as chelating center ions.

本实验用琼脂糖作为基质，选用四配位，与金属离子有较强作用力的羧甲基天冬氨酸为配基，以Co~(2+)、Ni~(2+)作为螯合金属离子，合成了一系列金属螯合亲和色谱填料，并对其蛋白质分离性能进行了研究。

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