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A new mathematical model is built based on the laminar flow model and coalescence and redispersion model.

在层状扩散模型和聚并分散模型的基础上,建立了一个新的数学模型,以1—萘酚与对氨基苯磺酸重氮盐这一竞争串联偶氮化合反应体系为例,计算了反映微观混合状态的离集指数。

According to Griess reaction, diazonium-salts formed from aromatic amines such as sulfonamides etc., react with NaNO_2 in acid medium and may be coupled with α-naphthylamine or diphenylamine to produce red colored compounds.

一按Griess反应芳香族胺类的重氮化鹽,如对氨基苯磺醯胺类药物等,在酸性溶液中皆能与α-萘胺或二苯胺分别偶合成偶氮色素而显紅色,过多之亞硝酸可与氮色素再作用使紅色消失而呈棕黄色。

Based on the mechanism of coupling reaction,the reaction of melt metallocene-based Poly(Ethylene-α-Octene) initiated by dicumyl peroxide was studied at elevated temperature in oscillatory shear flow field.

以苯胺、环氧丙烷为原料制备了N,N 二(2 羟丙基)苯胺,然后NHPPA与对硝基苯胺通过重氮偶合反应制备了一种具有推拉电子结构的偶氮化合物4 硝基 4′ N,N 二(2 羟丙基)氨基偶氮苯。

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。

In the synthesis of 2,3,5-trichloropyridine, 2-aminopyridine was firstly chloridized to 2-amino-3, 5-dichloropyridine, and then sodium nitrite solution was added with the existence of hydrogen chloride to diazotize the 2-amino-3,5-dichloropyridine.

在2,3,5-三氯吡啶的合成上,首先通过对2-氨基吡啶的氯化生成2-氨基-3,5-二氯吡啶,然后再有盐酸存在条件下加亚硝酸钠溶液重氮化后,发生桑德迈尔反应生成2,3,5-三氯吡啶和3,5-二氯吡啶-2-酮的混合物,最后用氯化亚砜进行再次氯化,经处理得到产品2,3,5-三氯吡啶。

The charges on the substituents affected OWF〓 greatly for some azobenzene derivatives, pyridone derivatives, nitrodiphenylamine derivatives, some reactive dyes and 1, 4-diamino anthraquinone derivatives, in this instance, OWF〓 changed linearly with the change of the charges.

2给电子取代基或吸电子取代基的电荷对OWF〓有较大的影响,OWF〓随电荷的变化而线性变化,如某些偶氮苯衍生物、吡啶酮类染料母体、硝基二苯胺类化合物、偶合组分和重氮组分之间夹角α变化不大的活性染料、1,4—二氨基蒽醌衍生物等。

Based on the laminar diffusion model, the micro-mixing in a rotating packed bed was discussed by taking the competitive and consecutive azobenzene reaction between 1-naphthol and diazotised sulphanilic acid as reaction system.

在层状扩散模型的基础上,以1萘酚与对氨基苯磺酸重氮盐在旋转填充床内发生的竞争串联偶氮化合反应为例,探讨了填充床内的微观混合情况。

The intermediate 2-amino-4-nitrophenol was diazotized and coupled with sodium 2,4-diaminobenzenesulfonate to form the high-strength leather brown RHM C.

制得的2-氨基-4-硝基苯酚经重氮化、与2,4-二氨基苯磺酸偶合,合成出高强度的皮革棕 RHM C.I。

The yield was 47.3%. A series of21 azo-1,3,4-thiadiazole compounds were synthesized by diazotizing of2-amino-5-alkyl-1,3,4-thiadiazole with nitrosylsulfuric acid, then couplingwith phenol, substituted phenol or naphthol. The yields were 19.6~58.8%.16 of them were new compounds.

制得的2-氨基-5-烃基-1,3,4-噻二唑用亚硝酰硫酸进行重氮化,再与苯酚、取代苯酚或萘酚发生偶合反应合成了21个偶氮-1,3,4-噻二唑类化合物,其中16个为新化合物,收率为19.6~58.8%。

To dye the different types of fibers by the same dye, universal dyes based on naphthalene ring system are prepared by the diazo coupling reaction of 7-acetamide-4-hydroxy-2-oaphtialene-β-(N,N-dimethylaminoethyl)solfonamide and m-aminobenzene-β-hydroxyethyl sulfone sulfunate.

为了实现用同一支染料对不同类型的纤维进行染色的目的,通过间氨基苯基-β-羟乙基砜硫酸酯与7-乙酰氨基-4-羟基-2-萘-β磺酰胺的重氮化偶合反应合成了含萘环的通用染料,其结构通过质谱分析进行了表征。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

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