蒸馏是去除重氮化合物、2萘胺1磺酸干扰的有效方法。
Distillation is effective to remove diazo compound and 2-naphthalin-1-sulfonic.
本产品不含萘胺物质，无致癌嫌疑，是防老剂甲的理想替代品。
This chemical contains no naphthylamine substance, and has no carcinogenic effect. It's an ideal substitute product for antioxidant-A.
研究了水溶液中甲萘酚和甲萘胺在超高交联吸附树脂NDA103、NDA100上的协同吸附行为。
Cooperative simultaneous adsorptions of 1-naphthol and 1-naphthylamine from aqueous solutions on hyper-cross-linked polymeric adsorbents (NDA103 and NDA100) were investigated.
研究表明：长岭分公司催化柴油的显色物质主要是烷基吲哚、氨乙醇基咔唑、苯基-萘胺等深色化合物物质和结构复杂的酚类物质；
The result indicated that the coloured compositions of diesel produced from FCC unit were alkyl indole, ethanamine-carbazole, phenyl- naphthylamine and complicated hydroxybenzene.
萘系与三聚氰胺系减水率较低。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂，以对茴香胺为原料，用该溶剂合成了3磺酸基对茴香胺，产品中不含致癌物。
The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
萘系与三聚氰胺系减水率较低，在低水灰比下流动性较差且坍落度损失较大，不利于商品混凝土的运输和施工。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.
在蔬菜腌渍发酵中会产生亚硝酸盐，食品中亚硝酸盐含量测定国家标准是盐酸萘乙二胺法。
In the fermentation of pickled vegetables it would produce nitrite, and the national standard for the determination of nitrite content in food is hydrochloride naphthodiamide.
应用红外光谱技术研究了在乙酸锌催化作用下1，5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
研究了一些芳胺类化合物在1-萘甲膦酸改性氧化锆固定相上的色谱行为。
The high performance liquid chromatographic behavior of some aromatic amines was studied on zirconia stationary phase modified by 1-naphthylmethylphosphonic acid.
方法用盐酸萘乙二胺法检测样品中的亚硝酸盐。
Methods The nitrite was detected from samples by N-Naphthylethylenediamine Dihydrochloride.
本文合成了N-对氨基苯基-1，8-萘二亚酸胺和N-烯丙基-1，8-萘二亚酰胺，并合成其修饰的两种聚苯乙烯高分子材料。
Np - anilino - naphthalene -1,8- dicarboxylic imide and N - allyl - naphthalene -1.8- dicarboxylic imide were synthesized, then their two modified polymers were also prepared.
研究了市售荧光试剂N-1-萘基乙二胺（NPED）作为荧光探针测定钯的新方法。
A simple and sensitive fluorimetric method has been developed for the determination of trace palladium with N-(1-naphthyl)ethylene diamine(NPED) as a fluorescence reagent.
采用高效液相色谱法分离水田除草剂萘丙胺光学异构体。
The separation of the optic isomers of a rice paddy herbicide naproanilide was studied by high-performance liquid chromatography.
设计合成一系列具有不同取代基的苯甲酰萘（苯）胺衍生物，测定它们在非极性溶剂环己烷中的荧光发射光谱。
A series of prar-and meta-substituted benzanilides were synthesized and their fluorescence spectra in nonpolar solvent cyclohexane were investigated.
观察萘呋胺酯(NF)对弥漫性脑损伤(DBI)的治疗作用。
To observe the treatment effects of naftidrofuryl (NF) on diffuse brain injury (DBI) in rats by morphometric method.
目的制备由甲氧氯普胺速释层与萘普生钠缓释层组成的双层片。
OBJECTIVE to prepare bilayer tablet, which consists of a metoclopramide rapid release layer and a naproxen sodium sustained release layer.
目的制备由甲氧氯普胺速释层与萘普生钠缓释层组成的双层片。
OBJECTIVE to prepare bilayer tablet, which consists of a metoclopramide rapid release layer and a naproxen sodium sustained release layer.
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