氨基甲酸

The clean synthesis of 1,6-dicarbamate hexane from dimethyl carbonate and 1,6-diamine hexane is studied.

对由1，6-己二胺和碳酸二甲酸合成1，6-六亚甲基二氨基甲酸甲酯的洁净化工艺过程进行了初步研究。

Eight complexes of light rare earths with dioctyldithiocarbamate,〓 xH〓O (RE=La-Tb, except for Pm) and Nine complexes of rare earths with 5-phenyl pyrazoline dithioformate, Na RE〓·xH〓O (RE=La-Dy, Y, except for Ce and Pm) have been synthesized in air and dry N〓atmosphere, respectively.

分别在空气和氮气保护条件下，合成出八种稀土与二正辛基二硫代氨基甲酸形成的配合物〓（RE=La-Tb，除Pm外）和九种稀土与5-苯基吡唑啉二硫代甲酸的固态配合物NaRE〓（La—Dy、Y、除Ce、Pm外）。

The study evaluated the influence of the two different polyol's raw material origins and the different dispersing additives in the polyurethane coatings formulations on the weathering resistance by glossmetry, spectrocolorimetry, chalking test, infrared spectroscopy etc. The influence of light stabilizer and dispersant on the degradation characteristerics of polyurethane coating has also been evaluated. Ultraviolet radiation from sunlight causes the chalking of resin and the fading of pigment by breaking down the chemical bonds in coatings.

本实验将配制成不同灰色聚氨基甲酸酯涂料配方，加入硬化剂后涂装在试片上，待自然风乾后，制成不同配方涂膜试片，进行加速风化耐候利睑、光泽度、分光色差、粉化、红外线光谱仪等测试，探讨不同的聚醇树脂原料来源，与不同的润湿分散添加剂种类，对於聚氨基甲酸酯涂料耐候性质的影响。

A four-ball tester was used to evaluate the load carrying and antiwear properties of bismuth dibutyldithiocarbamate,bis-dibutyldithiocarbamates(V7723),sulfurized isobutylene,molybdenum ester non sulfur and phosphorus in a mineral oil respectively and their synergistic effects.

利用四球试验机评价了二丁基二硫代氨基甲酸铋与二丁基二硫代氨基甲酸酯(V7723)、硫化异丁烯和非硫磷钼酸酯添加剂的极压和抗磨性能，以及它们之间的极压和抗磨协同作用。

Herein, the research ideas of the present work, i.e., the clean syntheses of N-substituted carbamates from amines and alkyl carbamates are derived. Different catalytic systems are introduced, and their activities are also investigated at the same time.

由此确定了以小分子氨基甲酸烷基酯取代光气与有机胺合成N-取代氨基甲酸酯的研究方向，引入并考察了不同催化体系的催化活性。

A method was developed for the determination of Carbaryl in water by direct injection and HPLC with coupled ultraviolet and fluorescence detectors.

1引言甲蔡威，又称西维因，学名1一蔡基一N一甲基氨基甲酸醋，是氨基甲酸醋类农药的一种，在我国被广泛用作杀虫剂和除草剂。

Zinc diamyl dithiocarbamate antioxidant showed good synergism with antimony diakyl dithiocarbamate antiwear additive in improving the oxidation stability of modified soybean oils. The incipient oxidation temperature and induction period time of genetically modified soybean oils were improved significantly by adding polyalphaolefin and additives, and they were even better than that of the synthetic base oil PAO with the same additive formulation.

结果表明，改性大豆油的不饱和脂肪酸含量越高，其氧化安定性越差；抗氧剂二戊基二硫代氨基甲酸锌和抗磨剂二烷基二硫代氨基甲酸锑在改性大豆油中均表现出了良好的抗氧协同性能，尤其在基因改性大豆油中，聚-α-烯烃和添加剂的复配使其起始氧化温度和氧化诱导时间均超过了相同配方的聚-α-烯烃油样。

Ethyl carbamate, a known genotoxic compound, is mainly found in grape wine and other alcoholic beverages.

氨基甲酸乙酯（Ethyl Carbamate， EC）是一种基因致癌物，葡萄酒及其他酒精饮料中含有微量的氨基甲酸乙酯。

Synthesis of methylene-4,4'-di catalyzed by zinc oxide Various metal oxide were investigated in the synthesis of methylene-4,4'-di from ethyl carbamate, and a serious of ZnO/SiO2 catalysts were prepared by deposition-precipitation method.

氧化锌为催化剂合成4，4'-二环己基甲烷二氨基甲酸乙酯以氨基甲酸乙酯和4，4'-二环己基甲烷二胺的反应体系为研究对象，在考察多种金属氧化物活性的基础上，使用沉积沉淀法制备了一系列硅胶负载氧化锌催化剂，并对其催化性能进行了研究。

Gas chromatographic analysis of 2-chloroethyl ethyl carbamate WANG Yue-feng, YANG Rui, SHE Yong-hong, ZHANG Hong-chao (Sanonda Zhengzhou Pesticide Co., Ltd., Zhengzhou 450009, China) Abstract: Separation and quantitative determination of 2-chloroethyl ethyl carbamate was conducted using gas chromatography with FID using an OV-101 packed column and biphenyl as the internal standard. Column temperature was 190℃, the ignition chamber was 230℃, and the test chamber was 230℃.

2-氯乙基氨基甲酸乙酯气相色谱分析王跃凤，杨睿，佘永红，张宏超(沙隆达郑州农药有限公司，郑州 450009)摘要：采用气相色谱法，柱填充物为3% OV-101涂渍在 Chromosorb W AW DMCS (180~250m)上，柱温：190℃，气化室：230℃，检测室：230℃；内标物为联苯，用内标法对2-氯乙基氨基甲酸乙酯有效成分进行分离和检验。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。