黄苯胺

It is found that the fluorescence intensity is increased with the elevation of temperature when the quencher diphenylamine is added to PU-DFY, which is an inverse phenomenon against the general fluorescent materials.

研究还发现，加入二苯胺猝灭剂的PU-DFY，荧光强度随温度的升高而增强，与一般荧光物质荧光强度的温度特性相反。关键词：聚氨酯-分散荧光黄；高分子荧光染料；水分散体；荧光

Commercially available 2 nitro 4 methoxyaniline was used as starting material and converted via reduction with zinc dust and cyclization with potassium ethyl xanthate into the title compound,suggesting that this procedure is suitable for industrial production.

以4 甲氧基 2 硝基苯胺为原料，经锌粉还原后，再与乙基黄原酸钾环缩合制得2 巯基 5 甲氧基 1H 苯并咪唑。结果收率80%。结论该方法简单易行，适合工业化生产。

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。

Rhodamine B, Malachite green, Auramine O, Bismark Brown,Methyl Violet 5BN, Basic Magenta, Acid Orange II, Chrysophenine GX, Direct Fast Black G, Indigo, Sulphur Black, Solvent Red 24, Solvent Red 49, Solvent Brown 41, Solvent Orange 3,Pigment Yellow 154,155, Pigment Red 188,208, Meta-Diethyiaminophenol, M-Amino acetanilide , P-Amino acetanilide, etc.

主要产品：碱性玫瑰精，碱性品绿，碱性嫩黄O，碱性品红，碱性紫5BN，碱性红6DDN，酸性橙II，靛蓝，硫化黑，直接冻黄，直接黑G，溶剂红24，溶剂红49，溶剂棕41，溶剂橙3，溶剂橙62，颜料黄154，155，颜料红188，208，间羟基－N，N－二乙基苯胺，间氨基乙酰苯胺，对氨基乙酰苯胺。

It suggests that the supraspinous ligaments in the patients with ossification of the ligament flavum also have an obvious tendency of ossification.

结果：胸椎黄韧带骨化症患者棘上韧带内胶原纤维增生、肿胀，出现了大量的纤维软骨细胞，甲苯胺蓝染色呈强异染性。

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。

An oncomelania killer is prepared through preparing mother liquid A from hydrochloric acid or 50 wettable powder of nicotinani line sul fate and dechlorinated water , preparing method liquid B from raw powder extracted from Huangqieguo fruit or bardabosnut seed and dechlorinated water , proportionally mixing them together and adding dechlorinated water for different concentrations .

灭钉螺剂及其生产方法，是将盐酸或硫酸烟酰苯胺50％可湿性粉剂加去氯水配成母液，再将由黄茄果果实提取的原粉或由麻风树籽提取的原粉加去氯水配成母液，将两母液按比例混合再加不同量的去氯水配成不同浓度的灭钉螺剂。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。