二氯乙酸

本文用FTIR研究了甲基氰乙基纤维素/二氯乙酸溶液相转变过程中分子间相互作用的变化。

The molecular interactions in the methyl-cyanoethyl cellulose / dichloroacetic acid solution are studied by Fourier transform infrared spectroscopy ( FTIR ) .

甲基纤维素/二氯乙酸液晶溶液的相转变

The phase transitions of methyl cellulose / dichloroacetic acid liquid crystalline solutions

二氯乙酸对ras基因的DNA损伤作用

DNA damage of ras gene induced by dichloroacetic acid

目的检测二氯乙酸和三氯乙酸对大鼠p53基因的DNA损伤作用，证实其遗传毒性并探讨其致癌作用的分子机制。

Objective To study on the DNA damage of p53 induced by dichloroacetic acid ( DCA ) and trichloroacetic acid ( TCA ), approve their genotoxicity and discuss molecular mechanism of their carcinogenic action .

目的研究二氯乙酸（DCA）和三氯乙酸（TCA）的DNA损伤效应。

Objective To study the DNA damage induced by dichloroacetic acid ( DCA ) and trichloroacetic acid ( TCA ) which are from drinking water disinfection by-products .

甲基氰乙基纤维素/二氯乙酸液晶溶液的红外研究

FTIR Study on the Methyl-Cyanoethyl Cellulose / Dichloroacetic Acid Solution

微波辐照二氯乙酸甲酯制备乙醛酸

Synthesis of Glyoxalic Acid from Methyl Dichloroacetate by Microwave Irradiation

γ辐射法去除二氯乙酸的研究

Study on degradation of dichloroacetic acid with γ - irradiation

二氯乙酸对肥大心肌细胞缺氧复氧的抗凋亡作用

Antiapoptotic effects of rat hypertrophic cardiomyocytes induced with hypoxia / reoxygenation by dichloroacetate

目的评价国产二氯乙酸二异丙胺片剂和胶囊剂与进口片剂人体生物等效性。

OBJECTIVE To observe the bioequivalence of domestic diisopropylamine dichloroacetate tablet or capsule and imported tablet .

两种壳聚糖在二氯乙酸中形成液晶的临界浓度基本相同，说明具有相同的链刚性。

Both chitosans had basically the same critical concentration forming mesogenic phase in dichloroacetic acid with α - chitosan .

乙基纤维素/二氯乙酸液晶溶液的织构研究&指纹型双折射纹理的畸变分析

Study on the texture of ethylcellulose / dichloroacetic acid liquid crystal solution & the distortion analysis of fingerprint texture

研究了氯乙酸经甲醇甲酯化后，用气相色谱法测试一氯乙酸与二氯乙酸的含量。

The content about monochloroacetic acid is determinated and dichloroacetic acid by GC after the chloroacetic acid is methoxy-carbonylated by carbinol .

对不同边界取向条件和不同浓度下乙基氰乙基纤维素/二氯乙酸溶液形成的胆甾型液晶相的聚集态结构及其光学性能进行了研究和讨论。

Effects of concentration and boundary conditions on cholesteric liquid crystalline condensed state structure and optical property of ethyl-cyanoethyl cellulose were investigated .

降解产物的定性分析得出，可能的降解途径：三氯乙酸→二氯乙酸→氯乙酸→乙酸。

The qualitative analysis of degradation products of the degradation pathway may be obtained : TCAA → DCAA → MCAA → acetic acid .

氯代乙酸是一类具有很高致癌风险的氯化消毒副产物，其中的二氯乙酸和三氯乙酸是构成饮用水消毒副产物致癌风险的主要物质。

Chloroacetic acids are one class of disinfection by-products with high carcinogenic risk . And the Dichloroacetic Acid and Trichloroacetic Acid are the main carcinogenic risk substances .

二氯乙酸和三氯乙酸的浓度在由酸性向中性过度时呈增长趋势，而碱性逐渐增大时，三氯乙酸浓度开始逐渐下降。

Dichloroacetic acid and trichloroacetic acid concentration in acidic to neutral by excessive time shows growth trend , and alkaline increase gradually , trichloroacetic acid concentration gradually began to decline .

研究表明，藻细胞和胞外分泌物的三卤甲烷类副产物都主要是氯仿和一溴二氯甲烷，卤乙酸类副产物都主要是二氯乙酸和三氯乙酸。

The results show that the main trihalomethanes from both Oscillatoria cells and EOM are chloroform and bromodichloromethane , and that the main haloacetic acids are dichloroacetic acid and trichloroacetic acid .

利用偏光显微镜研究乙基纤维素/二氯乙酸（EC/DCA）胆甾相液晶的织构，发现在很宽的浓度范围内，EC/DCA液晶溶液都显现出指纹型双折射纹理。

A polarized light microscope is used to examine the texture of ethylcellulose / dichloroacetic acid ( EC / DCA ) cholesteric liquid crystal . In a wide range of concentrations EC / DCA liquid crystal solution exhibits typical fingerprint textures .

在最佳反应条件下，可得到纯度（质量分数）为99.6%的高纯二氯乙酸甲酯，收率（质量分数）高达94.5%，同时获得收率为94.8%的巯基乙酸。

Under the optimum operating conditions , a high quality methyl ester of dichloroacetic acid (≥ 99.6 % ) was obtained in a high yield of about 94.5 % , as well as mercaptoacetic acid in a yield of about 94.8 % .

针对乙酸光氯化制备三氯乙酸反应过程，采用带有溢流的环流反应器，在半连续条件下测定乙酸、氯乙酸、二氯乙酸和三氯乙酸浓度随时间的变化规律。

For the preparation of trichloroacetic acid by photo-chlorination of acetic acid , the concentration change of acetic acid / chloroacetic acid / dichloroacetic acid / trichloroacetic acid with reaction time was measured in a semi-continuous loop reactor with an overflow port .

5,6-二氯吲哚乙酸对水稻原生质体培养的影响

Effects of 5 , 6-Cl_2-IAA on Culture of Rice Protoplasts

通过2'7'-二氯双乙酸盐荧光探针测量，两种分子都诱发突触内产生活性的氧物质。

Both molecules evoked intrasynaptosomal generation of reactive oxygen species measured by fluorogenic probe , 2 '7 ' - dichlorofluorescin diacetate .

原代培养大鼠皮层神经元OGD/RP模型中，以噻唑蓝（MTT）还原和乳酸脱氢酶（LDH）活性测定神经元活性变化，用2,7-二氯荧光素二乙酸盐（DCF-DA）测定细胞内自由基水平。

In primary cultured rat cortical neurons , the neuronal viability and damage after OGD / RP were assessed by MTT reduction and LDH release , and the intracellular free radicals were measured with 2,7-dichlorofluorescein diacetate ( DCF-DA ) .

5,6-二氯-吲哚乙酸对烟草愈伤组织衰老的延缓作用

Retarding Effects of 5,6-Cl_2-IAA on Senescence of Tobacco Callus

3氯4（二氯甲基）5羟基2（5H）呋喃酮（MX）及二氯乙酸（DCA）和三氯乙酸（TCA）是氯化消毒副产物（DBPs）研究的重点。

MX ( 3 Chloro 4 ( dichloromethyl ) 5 hydroxy 2 ( 5H ) furanone ) and chlorinated acetic acids such as DCA and TCA have always been the focus of Disinfection by products ( DBPs ) study .