查询词典 p-dimethylaminoazo-benzene

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯的同系物是指分子中只含有一个苯环，由一个烷基团或多个烷基团取代了苯环上一个或多个氢原子。

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯的同系物就是含有一个苯环，并且与苯相差若干个CH2原子团的一系列物质。

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯的同系物是指分子里含有一个苯环，组成符合CnH2n-6（n≥6）的环烃。

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯环上一个或多个氢原子被烷基基团所取代的化合物称为芳香族同系物。

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯的同系物是指分子里含有一个苯环，组成符合CnH2n-6（n≥6）的环烃。1很正确，2有点过了！金币+ 5 个万客币+ 5 个

Objective:To investigate the air pollution of decorating material markets to study the health effect of working people exposure to low concentration of formaldehyde and benzene homologues in that place.

目的：了解建材市场的主要污染物及其污染水平；研究低浓度甲醛、苯系物暴露对从业人员的健康影响。

Treatment of children with ADHD drugs more, such as methylphenidate, d-amphetamine, benzene iso-mephenytoin, caffeine, such as imipramine.

治疗小儿多动症的药物较多，如哌醋甲酯，右旋苯丙胺，苯异妥英，咖啡因，丙咪嗪等。

A new method for the separation and purification of chiral mandelic acid by heated benzene extraction and refrigeration crystal was established. The ionization constant of mandelic acid was mensurated by pH potentiometer titration.

采用pH值电位滴定法测定了扁桃酸的离解常数，采用高效液相色谱法考察了扁桃酸在不同溶剂中的溶解度曲线和在苯-水体系中于不同pH值条件时的分配率，建立了热苯萃取和冷却结晶的扁桃酸纯化工艺。

The solubility curve of mandelic acid in different solvent and the distribute ratio of mandelic acid in benzene-water system in different pH condition were determine by HPLC. The results showed that the ionization constant pK_a of mandelic acid was 5.28, the solubility of mandeli...

研究结果显示，扁桃酸的离解常数pKa值为5.28；扁桃酸在水和苯中的溶解度曲线可分别表示为：S=38.756e0.0354t和S=0.2746e0.0649t；扁桃酸在水和苯中的溶解度差值曲线可分别表示为：ΔS/S1=0.1196t-2.712和ΔS/S1=0.3688e0.0723t；苯是最适合用于冷却结晶的溶剂；热苯萃取扁桃酸的苯水比例可选为1∶1；降低pH值有利于扁桃酸在苯中的分配。

Methods: The Yifuqing granula was given to rabbit with febrilis caused by the TAB vaccine. The effects of the Yifuqing granula on the ache threshold value of Jimpy mice caused by Hot plate, on auricle inflammatory swelling of Jimpy mice caused by dimethyl benzene, on the bacterium of Jimpy mice in vivo, and on CPE caused by virus were observed.

观察一服清颗粒对三联菌苗所致兔发热的影响；采用小鼠热板法观察一服清颗粒对小鼠痛阈的影响；观察一服清颗粒对二甲苯所致小鼠耳廓炎性肿胀的影响；采用小鼠体内抑菌实验观察一服清颗粒对金葡菌感染小鼠死亡率的影响；采用细胞病变法观察一服清颗粒对病毒致细胞病变作用的影响。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。