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萘酚黄

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After the diazotization ,2-aminophenol-4-(2-'carboxy)sulfanil phenylamine was coupled with acetoacetanilide,2-naphthol,1-phenyl-3-methyl-5-pyrazolone,1-naphthol-4-sulfonic acid,separately to get the different diazotized compounds,then complexed with potassium chromium sulfate or cobaltous chloride to obtain the yellow,orange,red,purple,blue and other colour dyestuffs.

2-氨基苯酚-4-(2'-羧基)磺酰苯胺重氮化,分别与乙酰乙酰苯胺、2—萘酚、1-苯基-3-甲基-5-吡唑啉酮、尼文酸、1-乙酰氨基-7-萘酚等偶合,得到不同的偶氮化合物,然后分别与硫酸铬或氯化钴进行络合反应,得到黄、橙、红、紫、蓝多种颜色染料,并进行了毛织品的染色实验。

The quercetin and kaempferol were extracted from the sample with 90% of methanol by heating circumfluence for 45 min.

黄酮类化合物槲皮素和山萘酚是莲须中的主要有效成分,对其含量测定具有一定意义[1-2]。

In addition, pretreatment of Hepa1c1c7 cells with XH significantly inhibited menadione-induced DNA single-strand breaks.

另外,带有黄腐酚的Hepa1c1c7预处理细胞可很好地抑制甲萘醌诱导DNA单链断裂。

MicroM. In addition, pretreatment of Hepa1c1c7 cells with XH significantly inhibited menadione-induced DNA single-strand breaks.

另外,带有黄腐酚的Hepa1c1c7预处理细胞可很好地抑制甲萘醌诱导DNA单链断裂。

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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。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。