资源描述：
《科技文献的阅读及翻译方法4》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、科技文献的阅读及翻译方法《毕业实习》系列教学内容之四讲授目的最近，很多同学反应，在实习单位尤其是外资企业，经常遇到一些不认识的产品代号，或者是一些英文的产品说明书。而且由于缺乏专业英语知识，在实习过程中工作不能顺利的开展，这给许多同学带来了困扰，也激发了学生们学习专业外语的热情。ContentsSpecialistEnglishinChemicalEngineering（ChE）1.Introduction2.FundamentalsinChE3.SpecializedTopicsinChE1.IntroductionNecessityread&translat
2、ion,representation,communicationDifficultytoomanysimilar/differentwords;toomanyfieldsinChEObjectivePreliminaryEnglishofChE;extendyourEnglishwords;improveyouroralrepresentation2.FundamentalsinChE2.1Chemistry(inorganic,organic)PreliminaryknowledgeInorganicchemistryisabranchofchemistryc
3、oncernedwiththepropertiesandreactionsofinorganiccompounds.Organicchemistryisthescientific studyofthestructure,properties,composition,andreactions oforganiccompoundsChemicalreactionsareknownaschemicalchanges-changesinthestructure ofmolecules-moleculesattachingtoeachothertoformlargermo
4、lecules,moleculesbreakingaparttoformtwoormoresmallermolecules,orrearrangementsofatomswithinmolecules.Chemicalreactionsusuallyinvolvethemakingorbreakingofchemicalbonds.Molecules:canbeeitherpolyatomicormonoatomic.Polyatomicmoleculesareelectricallyneutralclustersoftwoormoreatomsjoinedby
5、sharedpairsofelectrons(covalentbonds).Asubstancethatismadeupofmoleculesiscalledamolecularsubstance.Manyfamiliarsubstancesaremadeofmolecules(e.g.tablesugar,water,mostgases)whilemanyotherequallyfamiliarsubstancesarenotmolecularintheirstructure(e.g.metals).Preliminaryknowledgechemicalbo
6、nd:istheforcewhichholdstogetheratomsinmoleculesorcrystals–ionicbond,covalentbond,coordinationbond,hydrogenbond,metallicbond(lattice)acompoundisapure,macroscopicallyhomogeneoussubstanceformedfromtwoormoreelements,withafixedratiodeterminingthecompositionthatcannotbeseparatedbyphysicalm
7、eans.Forexample,waterisacompoundmadeoutofhydrogenandoxygenintheratiooftwotoone.Thedistinctionbetweenthetwodisciplinesisnotabsoluteandthereismuchoverlap,mostimportantlyinthesub-disciplineoforganometallicchemistry.Generallyspeaking,organiccompoundshavecarbon-hydrogenbonds,andinorganicc
8、ompoundsdono
