hexamethylenetetramine

Developed test method of migration of formaldehyde and hexamethylenetetramine from platics into food simulants by spectrophotometry with chromotropic acid

变色酸分光光度测定塑料中甲醛和六亚甲基四胺在食品模拟物中的迁移量的改进方法

We examine the study of hexamethylenetetramine .

我们来讨论六亚甲基四胺。

The least addition amount of the hexamethylenetetramine was researched .

酚醛模塑料中的游离氨最主要来源是作为固化剂的六次甲基四胺，论文对六次甲基四胺的最少加入量进行了研究。

The crystal structure of the addition compound of hexamethylenetetramine with benzyl chloride

六次甲基四胺与氯化苄加合物的晶体结构

Study on Corrosion Inhibition and Absorbing Thermodynamics of Hexamethylenetetramine on Brass in Hydrochloric Acid Solution

盐酸溶液中六次甲基四胺对黄铜的缓蚀作用及吸附热力学研究

Crystallization Kinetics of Hexamethylenetetramine in a Vacuum Evaporation Crystallizer

乌洛托品在真空蒸发结晶器里结晶的动力学研究

Study on Nitration of Hexamethylenetetramine and Toluene in Presence of Br (?) nsted Acidic Ionic Liquids

Br（？）nsted酸性离子液体存在下乌洛托品和甲苯的硝化反应研究

The efficiency of corrosion inhibition of film amine in hydrochloric acid has been investigated , and compared with a well known corrosion inhibitor & hexamethylenetetramine .

本文研究了成膜胺在盐酸介质中的缓蚀效率，并和常用的酸洗缓蚀剂&乌洛托品做了对比。

Both hexamethylenetetramine and sodium citrate are found to play key roles in the formation of the novel ZnO rod-in-tube nano-architectures .

六次甲基四胺和柠檬酸钠是棒中筒纳米氧化锌形成的关键因素。

The experimental results show that when using hexamethylenetetramine as a catalyst , the phenol-formaldehyde condensation reaction is a second order , and the activation energy is 46.61kJ/mol .

实验结果表明：以六亚甲基四胺为催化剂时，酚醛缩聚反应为二级反应，反应活化能为46.61kJ/mol。

Controlled current oscillographic potentiometric titration of very weak bases ( NaAc , aniline , hexamethylenetetramine , pyridine ) in concentrated salt solutions with hydrochloric acid was studied .

本文研究了浓盐溶液中极弱碱（NaAc、苯胺、六次甲基四胺、吡啶）的控制电流示波电位滴定。

Add the crystalline dihydrate ( 5g ) to acetic anhydride ( 10 ?? in a beaker . THE CRYSTAL STRUCTURE OF THE ADDITION COMPOUND OF HEXAMETHYLENETETRAMINE WITH BENZYL CHLORIDE

向盛有10？蟠姿狒？的烧杯内加入5g二水合物结晶。六次甲基四胺与氯化苄加合物的晶体结构

Water plugging agent CSAM is a strong gel forming aqueous solution of starch-graft-polyacrylamide , S-g-PAM , resorcine , and urotropine ( hexamethylenetetramine ) .

水基凝胶CSAM由淀粉接枝聚丙烯酰胺（SgPAM）、间苯二酚（R）和六次甲基四胺（U）水溶液生成。

It is pointed out that the PTA purity can be characterized more accurately by the means of hexamethylenetetramine Nsystem than by N , Ndimethyl formamide phenolphthalein system .

指出采用六次甲基四胺麝香酚酞体系比用二甲基甲酰胺酚酞体系能更准确地表征PTA的纯度。

We introduced the fabrication method of ZnO nanorod arrays and used liquid-phase-deposited ZnO nanorod arrays . Equimolar amounts of zinc acetate and hexamethylenetetramine were used as the deposition precursors of hydrothermal reaction solution . 3 .

介绍了ZnO纳米棒状阵列的制备方法，选择液相法沉积ZnO纳米棒状阵列结构，采用等摩尔的乙酸锌与六次甲基四胺作为水热反应溶液的溶质。

Methods 3-Fluoro-4-methoxybenzaldehyde was prepared through the reaction of 2-fluoroanisole with hexamethylenetetramine in the presence of trifluoroacetic acid , and then extracted with anhydrous ether from the mixture after basification with potassium carbonate .

方法以三氟乙酸为溶剂，邻氟苯甲醚与六次甲基四胺发生回流反应，通过无水碳酸钾调节酸碱度、无水乙醚萃取等操作制备3氟4甲氧基苯甲醛。

By studying the impact of the optimal absorption wavelength , the amount of xylenol orange , the amount of phenanthroline , the optimal pH and the amount of hexamethylenetetramine , we established a xylenol orange spectrophotometry of measuring lead . 2 .

研究了最佳吸收波长，二甲酚橙的用量，邻二氮菲的用量，最佳pH及六次甲基四胺的用量等因素的影响，建立了测定铅的二甲酚橙分光光度法。

Nitrogen-doped TiO_2 nano-sized powders were prepared by the mechanochemical reaction method on 600 r · min ~ ( - 1 ) milled 2 hours and calcined using anatase TiO_2 as raw material and hexamethylenetetramine ( HMT ) as N source .

以锐钛矿型TiO2为原料，HMT（六亚甲基四胺）为掺杂N源，采用机械化学法经过600r.min-1×2h高能球磨，后续以焙烧处理，合成了N掺杂纳米TiO2粉末。

The nanocomposite of phenolic resin / hexamethylenetetramine / montmorillonite , which was obtained by the treatment of inorganic montmorillonite , are prepared by casting and curing , and phenol resin exhibit crosslinked chains by chemical bonds forming a three dimensional network while the mechanisms of phenol resin are different .

利用自制的有机蒙脱土，采用浇模固化成型法制备酚醛树脂/六次甲基四胺/蒙脱土纳米复合材料，并用XRD观察有机蒙脱土分别在热塑性和热固性酚醛树脂中复合行为。