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- Keywords hapten;synthesis;polybrominated biphenyl; 半抗原;合成;多溴联苯;
- Determination of Vapor Pressures of Six Polybrominated Biphenyl Congeners by Gas Chromatography 气相色谱法测定多溴联苯的蒸气压
- Keywords Atmosphere;polybrominated biphenyl ethers;flame retardant;ion trap tandem mass spectrometry(ITMS);mass spectrometry/mass spectrometry;selected reaction monitoring; 大气;多溴二苯醚;阻燃剂;离子阱串联质谱;二级质谱;选择反应监测;
- polybrominated biphenyl ethers 多溴二苯醚
- polybrominated biphenyl 多溴化联苯
- Keywords solid-phase microextraction;liquid-liquid extraction;polybrominated biphenyls;one-to-one recovery correction;GC-MS; 固相微萃取;液液萃取;多溴联苯;一对一回收率校正;气相色谱-质谱;
- Keywords Polybrominated biphenyls;Polybrominated diphenyl;Ethers liquid chromatography/tandem mass spectrum determination; 多溴联苯;多溴二苯醚;液相色谱/串联质谱;
- The key materials of concern in this EU directive are lead, mercury, hexavalent chromium, cadmium, polybrominated biphenyls(PBB'S) or polybrominated diphenyl ethers(PBDE'S 该指令所涉及的主要元素为铅,汞,六价硌(因为硌有2,3,6三种化合价),镉,多溴化联(二)苯,以及多溴化二苯醚
- Sodium biphenyl, 20%w/w solution in diethylene gl... 询价 联苯钠(20%25溶于二乙二醇二乙醚);
- polybrominated biphenyls [化] 多溴化联苯
- polybrominated biphenyls (PBBs) 多溴联苯
- Applications of lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) or polybrominated diphenyl ethers (PBDE) which are exempted from the requirements of Article 4(1): 某些产品中铅,水银,镉,六价铬,多溴联苯(PBB),多溴二苯醚(PBDE)的含量不必遵循条款4(1)的要求。
- Electrotechnical products - Determination of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers 机电产品---六种受控物质(铅、水银、镉、六价铬、多溴联苯、多溴联苯醚)水平的测定
- The quantitative analysis of dihydrosafrole, by gas chromatography on 2% DEGS packed column and using biphenyl as internal standard, was introducced. 采用DEGS为固定液、联苯为内标物,用气相色谱法测定二氢黄樟油中二氢黄樟素的含量。
- BACKGROUND & AIM: To study effects of polychlorinated biphenyl PCB126 on B(a)P-induced genotoxicity. 背景与目的:探讨多氯联苯126(PCB126)对苯并(a)芘[B(a)P]遗传毒性的影响。
- We observe photophysical and electrochemistry property of biphenyl imide by substitutent group effect. 藉由取代基效应观察化合物光物理性质及电化学特性的改变。
- And it was shown that non solvent method was not suitable to synthesize the polybrominated aromatic amines. 实验还发现非溶剂法不适合于多溴代芳胺类化合物的合成。
- Intramolecular photoinduced charge transfer can be efficiency by restricting biphenyl group to make it more conjugate. 藉由分子结构的限制,使联苯间的共轭性质变好,使分子内能有效的产生光致电荷转移。
- Methods:A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound. 方法:以联苯为原料,在超声催化作用下合成新药联苯乙酸。
- Then they can be further recrystallized to produce biphenyl with a purity of over 99.9%. 进一步用溶剂结晶法去除了联苯中的杂质;获得99.;9%25以上联苯。