1)nitrosamines亚硝胺类
英文短句/例句
1.Determination of seven N-nitrosamine compounds by HS-SPME-GC-MS顶空固相微萃取-气相色谱-质谱法测定7种亚硝胺类化合物
2.These compounds are nitrosohydroxylamine derivatives.这类合成物是亚硝基羟胺衍生物。
3.dinitrosopentamethylene tetraamine二亚硝基五亚甲基四胺
4.dinitroso pentamethylene tetramine二亚硝基对苯二酰胺
5.Study on Inhibitory Effects of Flavones on N-Nitrosodiethylamine Formation in Vitro黄酮类化合物体外抑制N-亚硝基二乙胺生成的研究
6.A study of quinones photosensitizer blocking synthesis of nitrosamines by ultraviolet photolysis紫外光解法研究醌类光敏剂对亚硝胺合成的阻断作用
7.SYNTHESIS OF 4 NITROSODIPHENYLAMINE FROM DIPHENYLAMINE IN ONE STEP二苯胺一步法合成4-亚硝基二苯胺
8.Phenols and anilides can be nitrated with very dilute nitric acid.酚类和酰基苯胺能被极稀的硝酸硝化。
9.Material supplied to Ford shall not contain combinations of NITRITES and AMINES which could combine to produce harmful concentrations of NITROSAMINES.供应福特汽车公司的材料不得含有亚硝酸盐和胺类混和物,这类混和物会产生有害物质亚硝酸胺。
10.Influence of light and temperature on degradation of N-nitrosodimethylamine and N-nitrosodiethylamine光照及温度对N-二甲基亚硝胺和N-二乙基亚硝胺降解的影响研究
11.Crystal Structure of 2-Nitrimino-5-Nitrohexahydro-1,3,5-Triazine2-硝亚胺基-5-硝基-六氢化-1,3,5-三嗪的晶体结构
12.p-nitrosodimethyl aniline hydrochloride盐酸对亚硝基二甲基苯胺
13.The compounds of the process are considered to be dinitrimines.本法的化合物应是二硝亚胺。
14.Determination of Nitrite in Food with Benzidine Colorimetry Method;联苯胺比色法测定食品中的亚硝酸根
15.Synthesis of bis(3,5,5-trimethylhexyl)-N-nitrosoamine双-(3,5,5-三甲基己基)亚硝胺的合成
16.Detection of Trace NDMA in Drinking Water by SPE/LC/MS/MSSPE/LC/MS/MS检测水中痕量二甲基亚硝胺
17.Study on the Synthesis of 4-Nitrophenyl Maleimide4-硝基苯基马来酰亚胺的合成研究
18.Synthesis, Development and Application Status of Nitroxyethylnitramine Compounds硝氧乙基硝胺类化合物的合成、发展与应用概况
相关短句/例句
N-nitrosamineN-亚硝胺
1.Analysis on Style and Contents of Volatile N-nitrosamines in Rugao Ham;如皋火腿中挥发性N-亚硝胺种类和含量分析
3)nitrosamine[英][,naitr?us?'mi:n][美][,na?tros?'min]亚硝胺
1.Research of formation conditions and mechanism of nitrosamine in the stimulant brawn system;体外模拟腌肉制品中亚硝胺形成条件及机理的研究
2.Determination of volatile nitrosamines in gastric juice by GC-TEA;胃液中挥发性亚硝胺含量的气相色谱/热能分析仪测定
3.Effects of tomato paste on antioxidant in rats induced by nitrosamine;番茄糊对亚硝胺攻击的大鼠抗氧化的影响
4)nitrosamines亚硝胺
1.Studies on removal of n-nitrosamines in cigarette smoke by zeolites and molecular sieves;沸石分子筛降低卷烟烟气中亚硝胺的研究进展
2.Some latest research progresses in adsorption of nitrosamines by use of zeolites and mesoporous molecular sieves are reviewed.综述了近来沸石和介孔分子筛吸附亚硝胺方面的新进展,论证了大体积亚硝胺在小微孔沸石上通过将官能团插进狭窄孔道的特殊吸附模式,研究了金属氧化物对于介孔分子筛材料的原位修饰,并展望了消除亚硝胺污染功能新材料的发展方向。
3.Zeolites ZSM-5 and Y can adsorb the polycyclic aromatic hydrocarbons and nitrosamines in gaseous phase, and reduce the pollution of smoking.使用ZSM-5和Y沸石吸附气相中的多环芳烃和亚硝胺,能减少吸烟对于环境的污染。
5)NDMA亚硝胺
1.The mechanism of durian shell draw liquid inhibiting nitrosamine synthesis was studied by determining am-ounts of NDMA synthesized and NO-2 formed and its elimination rate.N-二甲基亚硝胺体外合成的阻断作用,通过正交实验法得到最佳提取条件:以蒸馏水为溶剂,100℃水浴回流1h,此榴莲壳提取液对亚硝胺合成的阻断率可达82。
2.Disconnecting nitrosodimethylamin(NDMA) formation and scavenging sodium nitrite by chitosan and its derivatives were tested under the simulated condition of gastric juice in vitro by colorimetric analysis and ultraviolet irradiation and decomposition.为了解壳聚糖及其衍生物对亚硝化反应的抑制作用,在体外模拟人胃液的条件下,用比色法及紫外光解法测定了壳聚糖及其衍生物对亚硝胺合成的阻断作用和对亚硝酸钠的清除作用。
3.The two functions of litchi core extraction were studied in this paper:to interdict the synthesizing of NDMA and to eliminate nitrite.研究了荔枝核提取液对亚硝胺(NDMA)合成的阻断作用及对亚硝酸根离子的清除作用。
6)N-nitrosaminesN-亚硝胺
1.A method for the determination of the N-nitrosamines released from latex by GC-MS/SIM was reported.使用气相色谱-质谱(GC-MS/SIM)检测了乳胶制品中5种N-亚硝胺析出物,样品经过二氯甲烷萃取,用R tx-5MS石英毛细管柱分离,采用内标法进行检测计算。
延伸阅读
N-二丙基亚硝胺,二正丙基亚硝胺国标编号 ---- CAS号 621-64-7 分子式 C6H14N2O;ONN(CH2CH2CH3)2分子量 130.19金黄色液体;沸点 206℃ ,溶解性 溶于乙醇和乙醚;密度:相对密度(水=1)0.9163 稳定性;危险标记 ;主要用途:用于医药和食品分析研究 2.对环境的影响:毒理学资料及环境行为急性毒性:LD50480mg/kg(大鼠经口);487mg/kg(大鼠皮下);689mg/kg(小鼠皮下)致癌性判定:人为可疑性反应,动物为阳性反应。来源:N-亚硝胺类化合物由亚硝化剂(亚硝酸盐)和胺类在一定条件下,经亚硝化作用生成。在环境中大量存在亚硝基化剂和胺类,例如有机合成,染料、橡胶制造和食品着色防腐中的亚硝酸钠和胺类,化肥中的硝酸铵,废气中排出的氮氧化物等等,这些亚硝胺的前体物质均可在环境中,动物体内,人体内,食品中合成。在面粉、奶酪、烟熏肉、鱼及其他食品中均可检出。合成切削油也可能含有亚硝胺类物质。3.现场应急监测方法: 4.实验室监测方法:石油化工废水及污灌蔬菜中N-亚硝基化合物的测定(气相色谱法),许后效等,《化工环保》,5,296,(1985)5.环境标准:美国(1982)N-二正丙基亚硝胺用作水果、蔬菜或其他田间作物的杀虫剂时,其亚硝胺的总浓度必须低于0.05ppm(工业品)6.应急处理处置方法: