scifinder web--文献、物质、反应检索

《scifinder web--文献、物质、反应检索》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、SciFinder®Web-文献、物质、反应检索美国化学文摘社中国代表处唐蜜导航PartISciFinder背景介绍PartIISciFinder检索技巧介绍文献检索物质检索反应检索PartIIISciFinder小结及检索注意事项SciFinder的背景---CAS主要产品原始出版物CAS科学家CAS编辑发行信息检索者或用户SciFinder科学索引过程题目摘要改写索引词的编写物质索引的编写（CAS.No.,CASRole）SciFinder的精准性:人工编目收录文献SciFinder检索文献精准性的基础：人工编目收录文献。例证：一篇来自中国石油集团公司的专利原专利题目：Met

2、hodforrecyclingsulfureousinfluegasusingfilmSciFinder中题目：MethodforrecoveringsulfurfromfluegasbymembraneseparationandClausreactionincombination.原文摘要theinventionrelatestoamethodforreclaimingsulphurinfluegasbyusingamembrane.Fluegasispretreatedandentersamembraneseparatorundertheconditionthatthepre

3、ssureisbetween1.0MPaand2.5MPaandthetemperatureisbetween40DEGCand80DEGC,andpermeablegasconcentratingSO2andresidualpermeablegascontaininghigh-concentrationnitrogenareseparatedout,whereinthepermeablegasentersaClausdeviceforreclaimingthesulphur,andthefluegascontainslessthan14weightpercentoftheSO2

4、,morethan85weightpercentofthenitrogenandlessthan1weightpercentofO2.TheinventionnotonlyreclaimsthesulphurinthefluegasbythecombinationofmembraneseparationandClausreaction,butalsoproducesthehigh-concentrationnitrogenasaby-product.AmethodforrecoveringSfromfluegasbymembranesepn.andClausreactioninc

5、ombinationcomprisessepg.pretreatedfluegascontg.(bywt.)SO2<14%,N>85%andO>1%inamembraneseparatorunder1.0-2.5MPaat40-80°toobtainosmoticgascontg.concd.SO2andhigh-Nresidualgas;introducingtheosmoticgasintoaClausunittocarryoutreactionbetweenSO2andH2Sinthepresenceofmetal(suchasCu,FeorNi)oxide-support

6、edalumina,titaniaorSiCcatalystat200-370°torecoverS.Themembraneseparatoriscomposedofoneormoreplate,spiral-woundorhollowfibermembranemodules,andthemembranematerialcanbepolymermaterial(suchaspolydimethylsiloxane,polysulfoneorpolyaramide),inorg.materialand/ormetalmaterial.Themethodhastheadvantage

7、sofnosecondarypollution,lowdevicecostandenergyconsumption,andhighNbyproductconcn.SciFinder摘要SciFinder的六大数据库文摘数据库CAplus（1万种期刊，61个国家地区的专利，日更新）Medline（4800种生物医学期刊）物质数据库Registry（>1亿零600万个物质/序列，日更新）Chemcats（>3400万条商业物质数据库）ChemList（>24.7万种管制品物质数据库）