查询词典 aniline

Aniline and nitro-benzene in air and water can be identified by nitro and phosphor detector with large diameter capillary in quantitative analysis method.

采用大口径毛细管色谱柱和氮磷检测器建立了水及空气中苯胺及硝基苯的定量分析方法，线性范围0 ~ 80μg /L，检测下限1μg /L，重现性好，结果令人满意。

To estimate the bioconcentration factor of benzene derivatives in fish by gas chromatography retention time, this paper measured the BCF of chlorobenzene, o-chloro-toluene, p-dichlorobenzene, m-dichlorobenzene, 1,2-dichlorobenzene, nitrobenzene, p-chloro-aniline, p-chloro-nitrobenzene, and 4-chlorodiphenyl in grass crap, and the t_R of test derivatives on the stationary phases of six kinds polarity.

为了用气相色谱保留时间估算取代苯类化合物在鱼体内的生物富集系数，测定了草鱼对氯苯、邻氯甲苯、对二氯苯、间二氯苯、邻二氯苯、硝基苯、对氯苯胺、对硝基氯苯、4-氯联苯9种取代苯类化合物的BCF和不同取代苯化合物在6种不同极性固定相上的tR，建立了tR与BCF的一元回归方程及tR一阶分子连接性指数(1XV)与BCF的二元回归估算方程。

The environmental black direct dye stuff without carcinogensis was prepared by 4,4'-diamino-dibenzidine-2-sulfonicacid,1-hydroxy-7-aminonaphthalene-3,6-dusuifonicacid,m-benzoic-diamine and aniline.

以4，4'-二氨基-二苯胺-2-磺酸代替苯胺，与1-羟基-7-氨基-3，6-二萘磺酸、间苯二胺、苯胺等合成无致癌作用的环保型黑色直接染料。

The environmental black direct dyestuff without carcinogensis was prepared by 4,4＇- diamino - dibenzidine - 2 - sulfonicacid, 1 - hydroxy - 7 - aminonaphthalene - 3,6 - dusuifonicacid, m - benzoic - diamine and aniline.

以4，4'-二氨基-二苯胺-2-磺酸代替苯胺，与1-羟基-7-氨基-3，6-二萘磺酸、间苯二胺、苯胺等合成无致癌作用的环保型黑色直接染料。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

我们发现一分子芳基叠氮和一分子三苯基磷反应生成一分子磷亚胺，后者与由两分子取代的苯氧乙酰氯原位生成的烯酮反应生成4-亚烷基-β-烷基-内酰胺，其串联过程涉及烯酮亚胺的形成及其与烯酮的[2+2]的环加成反应。

Food contamination: nitrosamines, from aniline, aflatoxin, such as more than 40 kinds of chemical substances can cause fetal malformation and death.

3食物污染：亚硝胺、脱苯胺、黄曲霉毒素等40多种化学物质会引起胎儿畸形和死亡。

At 175 ℃ and 5.0 MPa, the oxidative carbonylation of aniline to the corresponding carbamates over these catalysts could be proceeded with a high conversion(96%), selectivity(99%) and 532 for TOF was achieved.

金催化剂作为一种新型的催化材料正日益引起人们的重视。

Aniline desorbed from surface of the catalyst very fast and easily, which benefited reaction.

反应床形式对催化剂加氢活性影响不大，但滴流床对提高催化剂的稳定性有利。

The experimental results indicate that the reaction rate exhibited first-order with respect to aniline and half-order to APS and dodecylbenzene sulfonic acid.

研究结果表明，苯胺的乳液聚合反应速率对苯胺是一级反应；对APS和十二烷基苯磺酸均为0.5级反应。

The usage of horse-radish peroxidase as catalyst i n organic synthesis,especially the progress in catalyzing the polymerization of an iline,derivatives of aniline,and phenol s were reviewed in this paper.

综述了辣根过氧化物酶在有机合成中作为催化剂使用，其催化机理为过氧化循环过程；以及辣根过氧化物酶催化合成苯胺、苯胺衍生物、酚类的研究进展，其特点为催化效率高。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。