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- brominated furanone 溴化呋喃酮
- This paper introduces the method to analyze the purity of furanone by HPLC. 利用高效液相色谱技术对呋喃酮香料纯度进行研究分析。
- Modified synthesis of furanone from pyruvaldehyde by microwave irradiation was studied. 以丙酮醛为原料采用微波法环化合成呋喃酮。
- Now the item of furanone has its own knowledge property right,which has gained many invention patents. 呋喃酮项目具有自己的知识产权,获得多项发明专利。
- In 2002 Furanone series products are listed as new technology fund support item of middle and small size enterprise. 2002年初“呋喃酮系列香料产品”被列为国家中小企业技术创新基金扶持项目。
- Brominated pentabromobenzyl was prepared from pentabrominated toluene by using bromine/peroxides method and NBS method. 采用溴/过氧化物法和NBS法对五溴甲苯进行苄位溴化,合成了五溴苄基溴,比较了两种方法的优缺点。
- The sample of brominated epoxy resin enclosed in filter paper is burned in flask filling with oxygen. 溴化环氧树脂样品用滤纸包裹,置于充满氧气的烧瓶中燃烧。
- The affect of broming agent amount on bromineconfent in brominated polystyrene was studied. 讨论溴化剂用量对溴化聚苯乙烯溴含量的影响;
- The solubility of the catalyst was improved by mixed solvents.A high brominated polysty rene was prepared. 通过溶剂复配提高催化剂的溶解性,制备高浪含量溴化聚苯乙烯;
- It is considerable to develop production of some types of brominated flame-retardants to a certain extent in China. 在我国,近期内适度发展某些溴系阻燃剂仍是可以考虑的,但在确定品种和规模上,应慎之又慎。
- By the end of 1998,the technology of producing 10 tons furanone per year had passed the achievement appraisal by Dalian Economic Committee and Dalian Science Committee. 98年年底“年产10吨呋喃酮生产工艺技术”通过了大连市经济委员会新产品投产鉴定及市科委的科技成果鉴定。
- The catalytic activity of brominated anthracene catalysts was relatively low and was seldom reported. 非溴催化体系的研究主要集中于氮氧自由基催化剂。
- Greenpeace International organizations in the latest report, the most concerned about the brominated flame retardants and the use of PVC. 国际绿色和平组织在最新报告中最为关心的是溴化阻燃剂和聚氯乙烯的使用。
- Chlorinated and brominated plastics is known worldwide to cause the emission of polychlorinated and polybrominated dioxins. 氯化和溴化塑料是全世界公认的会导致多氯联苯和多氯二恶英的排放。
- A low molecular weight brominated polystyrene is prepared based on low molecular weight and small polydispersity polystyrene. 摘要以低相对分子质量、相对分子质量分布窄的聚苯乙烯为原料,合成低相对分子质量溴化聚苯乙烯;
- The effects of the brominated flame retardants(BFR),especially PBDPO,on the environment and human's health are attracting more and more attention. 溴系阻燃剂(BFR)(特别是多溴二苯醚(PBDPO)类)与环境保护及人类健康这一重大问题,在阻燃行业内正受到人们极大的关注。
- The effects of the brominated flame retardants (BFR), especially PBDPO, on the environment and human's health are attracted more and more attention. 溴系阻燃剂(BFR)(特别是多溴二苯醚(PBDPO)类)与环境保护及人类健康这一重大问题,在阻燃行业内正受到人们极大的关注。
- It is usually hard to recycle for its high content of brominated flame retardants, so the key of recycling the wPCB is to debrominate, i.e. 实现回收的关键在于脱溴,即将有机溴代物转化为无机溴化物。
- The advance in application technique of brominated epoxy resin in copperclad laminates semiconductor sealants and fireproofing agents were reviewed. 综述了溴代环氧树脂在铜箔层合板、半导体封装材料和防火剂方面的应用技术进展。
- A mixture of synthetic products of brominated tetramethylpyrazine was analyzed by the gas chromatography mass spectrometry. 采用气相色谱质谱联用技术,对四甲基吡嗪的溴代合成产物进行分析。