查询词典 diphenylamine

The photochemical and thermal decomposition of various diphenylamine diazonium salts in ethanol were studied. It was found that, the major products in photochemical decomposition are their corresponding substituted diphenylamino-4-ethyl ethers while their corresponding diphenylamines were obtained as only one product in the case of thermal decomposition.

并研究了二苯胺型重氮盐的光、热分解，结果表明：在醇中，二苯胺型重氮盐的光解主要生成重氮基被乙氧基取代的产物；热解几乎生成唯一的重氮基被氢取代的产物。

The reaction of aniline over catalyst DH-1 to synthesize diphenylamine has been studied .

对苯胺在DH 1催化剂上合成二苯胺的反应规律进行了研究。

Objective:An analytic method with SPE- HPLC was developed to determine residue of diphenylamine in water.

目的：建立固相萃取高效液相色谱法测定水中二苯胺残留量的方法。

Measuring DNA fragments by diphenylamine is a simple method to analysis leukemic cells apoptosis.

结论二苯胺法测定DNA片段是分析白血病细胞凋亡的一种简单有效方法。

The synthesis of diphenylamine from aniline-phenol by liquid phase condensation in the presence of Pd/C catalyst was studied.

研究了在Pd／C催化剂存在下，通过液／固催化缩合反应由苯胺和苯酚合成二苯胺的方法。

Under some conditions, the synergistic extraction behavior with 2-hydroxyl-4-sec-octyl- diphenylamine and trioctylphousphine oxide has also been studied.

研究了2-羟基-4-仲辛基-二苯甲酮肟在氯仿中萃取钯的行为及2-羟基-4-仲辛基-二苯甲酮肟与三辛基氧化膦协同萃取钯的行为。

Effects of 1 2-benzenedicarboxylic acid dibutyl phthalate and diphenylamine on mineral elements absorption of young tomato root system were studied in this paper.

以番茄为试材，研究了邻苯二甲酸、邻苯二甲酸二丁酯和二苯胺3种化感物质对番茄幼苗根系吸收矿质元素的影响。

Measured the liver nucleic acid content of the mice liver with diphenylamine and orcinol method.

采用二苯胺法和地衣酚法测定小鼠肝脏核酸含量。

Monodispersive Au nanoparticles were synthesized via the redox reaction between diphenylamine sulfonate and HAuCU-The effect of the amount of sodium diphenylamine sulfonate and polyon the morphology and size of Au nanoparticls were examined.

利用四氯合金酸和二苯胺磺酸钠反应，制备了大小均匀的金纳米粒子。考察了还原剂二苯胺磺酸钠和保护剂聚乙烯吡咯烷酮的用量的变化对金纳米粒子形貌和大小的影响。

The investigation also showed that, the antioxidants with same action mechanism, for example, as both radical scavengers, phenol and amine antioxidants are synergistic; but the synergistic effects between two antioxidants with different action mechanism, such as radical scavenging phenol and amine antioxidants, and hydroperoxide decomposing ashless dithiocarbamate, are much stronger, and the heterosynergism between dithiocarbamate and alkylated diphenylamine is outstanding, which can serve as high temperature ashless high performance antioxidant combination; the heterosynergism among three antioxidants with three different action mechanisms, for example, the tri-component combination of alkylated diphenylamine, zinc dithiocarbamate and organic molybdate ester, can achieve excellent antioxidation performance.

研究还表明，具有相同抗氧机理的不同抗氧剂，如酚类和胺类抗氧剂，具有协同作用；不同作用机理的两抗氧剂之间，如自由基清除剂和氢过氧化物分解剂，具有更好的抗氧化协同效果，其中，无灰氨基甲酸酯与烷基化二苯胺抗氧剂具有最佳的抗氧协同效能，可成为高温无灰抗氧剂应用的一个很好选择；不同抗氧机理的三种抗氧剂复合，如烷基化二苯胺，氨基甲酸锌和有机钼酸酯组成的三元复合抗氧剂，具有更为优秀的抗氧化性能。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。