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1、EnglishforScienceandTechnologyYangRongcan2012.10CollegeofPhysicsandEnergy,FujianNormalUniversity科技英语的概念和特点1科技英语的概念EnglishforSpecialPurposes(ESP)EnglishforAcademicPurposes(EAP)EnglishforVocationalorOccupationalPurposes(EOP)EnglishforScienceandTechnology(EST)Englishfor
2、SpecializedScienceandTechnology(ESST)EnglishforCommonScienceandTechnology(ECST)OrdinaryEnglishAwidevarietyofaccommodationisavailabletothemoderntourist.Itvariesfromtheguesthouseortouristhomewithoneortworoomstograndluxuryhotelswithhundredsofrooms.AfeatureofEuropeisthep
3、ension,asmallestablishmentwithperhapstentotwentyguestrooms.Everytermpaperisahighlyindividualizedpieceofwork.Nonetheless,therearesomegeneralrulesandguidelinestofollowingathering,selecting,andrecordinginformationfortheroughdraftofapaper.EAPEOPWemadeaholeinacorkandpushe
4、dintoitanarrowglasstube.Thenwepushesthistheneckofabottlewhichwehadfilledcoloredwater.Whenwedidthis,someofthecoloredwaterwentupintothetube.Wemarkedthelevelofthecoloredwaterinthetube.Thenweputthebottleintoapanofhotwater.OrdinaryEnglish(OE)Afteraholewasmadeinacork,anarr
5、owglasstubewasinsertedandthecockwasinsertedintotheneckofabottlefilledwithcoloredwater.Ondoingthis,someofthecoloredwaterroseinthetube.Thelevelofthecoloredwaterinthetubewasmarked.Thenthebottlewasplacedintoapanofhotwater.ESTPhotoniccavitiesthatstronglyconfinelightarefin
6、dingapplicationsinmanyareasofphysicsandengineering,includingcoherentelectron–photoninteractions,ultra-smallfilters,low-thresholdlasers,photonicchips,nonlinearopticsandquantuminformationprocessing.Criticalfortheseapplicationsistherealizationofacavitywithbothhighqualit
7、yfactor,Q,andsmallmodalvolume,V.TheratioQ/Vdeterminesthestrengthofthevariouscavityinteractions,andanultra-smallcavityenableslarge-scaleintegrationandsingle-modeoperationforabroadrangeofwavelengths.However,ahigh-Qcavityofopticalwavelengthsizeisdifficulttofabricate,asr
8、adiationlossincreasesininverseproportiontocavitysize.Withtheexceptionofafewrecenttheoreticalstudies,definitivetheoriesandexperiment
