查询词典 ethyl carbamate

Such method was suitable for quantitative determination of ethyl carbamate in grape wine.

建立的方法适合用于葡萄酒中氨基甲酸乙酯的定量检测。

Objective The exposure of ethyl carbamate in wine was assessed and related to its risk on lung tumor.

目的对葡萄酒中氨基甲酸乙酯进行污染评估，分析其摄入患肺癌的风险。

The jeopardy,mechanism,analysis method and elimination method of ethyl carbamate was summarized to enhance the social recognition of it as a carcinogen.

对氨基甲酸乙酯的危害、形成机制、分析和消除方法进行了综述，应加强对氨基甲酸乙酯这种致癌物质的认识，引起社会的关注。

Experimental agents: 5% lidocaine hydrochloride;20% ethyl carbamate; aether;pure oxgen and nitrogen for medical purpose; 4% paraform;0.1M PBS; TTC;Bcl-2 andBax immunohistochemistry; SABC kit;~(99m)TcO_4~-, Annenxin V, Sn~(2+)-Tricine Kit andHYNIC-Annexin V Kit.

TTC，2.5％戊二醛，1％锇酸，Epon812；兔抗兔Bcl-2和Bax多克隆抗体、SABC试剂盒、TUNEL试剂盒和DAB染色液；~(99m)TcO_4~-，Annenxin V，Sn~(2+)-Tricine Kit和HYNIC-Annexin V Kit。

Methyl-l, 3-oxazine-2,4-dione are prepared from ethyl acetoacetate and ethyl carbamate at 140 for 6h, catalysted by zinc acetate, giving to 48.8% yields which is 33% more than the literature value.

选用醋酸锌作催化剂，使乙酰乙酸乙酯与氨基甲酸酯在140℃反应6h，合成6-甲基-1，3-噁嗪-2，4-二酮，产率达48.8％，较文献报道值高出了33％。

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。

The measurement of ethyl carbamate content in grape wine by liquid-liquid extraction combined with GC/MS internal standard method had been developed.

建立了液/液萃取结合GC/MS内标法测定葡萄酒中氨基甲酸乙酯含量的方法。

Ethyl carbamate,a known genotoxic compound,is mainly found as a natural trace constituent in wine and other alcoholic beverages.

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

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。