《化学专业英语》PPT课件

SpecialityEnglishforChemistryChemistryandSociety,Textbook,FeaturesofSpecialityEnglishforChemistryStrategytostudySpecialityEnglishforChemistryCompositionsofthefinalscores,IntroductiontoSpecialityEnglishforChemistry,LotsofspecializedwordsinvolvedLotsofEnglishpaperstoreadWriteEnglishpapersListeningandspeakingabilitytocommunicatewithothers,FeaturesofSpecialityEnglishforChemistry,EnhanceEnglishabilitiesthroughtranslationsMasterspecializedwordsduringreadingEnglishpapersWritingpracticeSpeakingpracticeFastreadingpractice,StrategytostudySpecialityEnglishforChemistry,Classperformance:20scoresFinalexamination:80scores,Compositionsofthefinalscores,Chemistryissuchabroad,all-encompassingareaofstudythatpeoplealmostdespairintryingtodefineit.,Chapter1WhatisChemistry,化学是一个如此广泛的、涵盖一切的学科领域，以至于人们在尝试给它下定义时几乎绝望了。,encompass:inkmps,vt.包围，环绕despair:disp,n.itsmuchtoonarrowaview.,事实上，有些人采取一种逃避的办法，把化学定义为“化学家们所做的”。但是那行不通，它的视野范围太狭窄了。,cop-out:kpaut逃避,Chemistryiswealldo.Webathe,clean,andcook.Weputchemicalsonourfaces,hands,andhair.,我们每个人的活动都牵涉到化学。我们洗浴、做清洁、烹调食物。我们把一些化学制品用在脸上、手上和头发上。,Collectively,weusetensofthousandsofconsumerchemicalproductsinourhomes.,总起来说，我们在家庭中使用成千上万种消费化学品。,Professionalsinthehealthandlifesciencesusethousandsofadditionalchemicalsasdrugs,antiseptics,orreagentsfordiagnostictests.,保健和生命科学的专家们用各种各样的化学品作为药物、杀菌剂或诊断测试的试剂。,antiseptic:,ntiseptikadj.防腐的,杀菌的n.防腐剂，杀菌剂reagent:ri(:)eidntn.反应物,试剂diagnostic:,dainstikadj.诊断的,判断的,Yourbodyitselfisaremarkablechemicalfactory.Youeatandbreathe,takinginrawmaterialsforthefactory.Youconvertthesesuppliesintoanunbelievablearrayofproducts,someincrediblycomplex.,你的身体本身就是一个不同寻常的化工厂。你通过饮食和呼吸为这个工厂摄入原材料。你把这些供给转化成多得令人难以置信的产物，有些复杂得不可思议。,array:rein.阵列,一大批,大量incredible:inkredbladj.难以置信的;可疑的,Thischemicalfactory-yourbodyalsogeneratesitsownenergy.Itdetectsitsownmalfunctionsandcanregenerateandrepairsomeofitscomponentparts.,你的身体这个化工厂也产生它自己的能量。它发现自己的故障，并能够再生和修复它的一些零部件。,malfunction:mlfknn.故障,障碍,Itsenseschangesinitsenvironmentandadaptstothesechanges.Withtheaidofaneighboringfacility,thisfabulousfactorycancreateotherfactoriesmuchlikeitself.,它察觉环境中的变化并适应这些变化。在邻近设施的帮助下，这个神奇的工厂能够创造跟它自身非常相像的另外的工厂。,fabulous:fbjulsadj.寓言般的,难以置信的,神奇的,Everythingyoudoinvolveschemistry.Youreadthissentence,lightenergyisconvertedtochemicalenergy.Youthink,proteinmoleculesaresynthesizedandstoredinyourbrain.Allofusdochemistry.,你所作的一切都牵涉到化学。你阅读这个句子，光能转化成了化学能。你思考，一些蛋白质分子就被合成并储存在你的大脑中。我们所有人都在从事化学。,Chemistryaffectssocietyaswellasindividuals.Chemistryisthelanguageandtheprincipaltoolofthebiologicalsciences,thehealthsciences,andtheagriculturalandearthsciences.,化学对社会和个人都有影响。化学是生物学、保健科学、农业科学和地球科学的语言和基本工具。,Chemistryhasilluminatedtheentirenaturalworld;fromthetinyatomicnucleustotheimmensecosmos.,从微小的原子核到无垠的宇宙，化学给整个自然界以启迪。,illuminate:Ilju:mineitvt.照亮;阐明;启迪nucleus:nju:klisn.(原子)核immense:imensadj.极大的,巨大的cosmos:kzmsn.宇宙,Webelievethatknowledgeofchemistrycanhelpyou.Chemistrycanberelatedimmediatelytoproblemsandopportunitiesinthelifeandhealthsciences.,我们相信化学知识能够帮助你。化学能够直接与生命和保健科学中的问题和机会联系起来。,Andwebelievethatthiscanmakethestudyofchemistryinterestingandexciting,especiallytonochemists.,我们也相信这会使化学的学习变得有趣和激动人心，特别是对非化学工作者。,Forexample,an“ion”ismorethanachemicalabstraction.Enoughmercuryionsinthewrongplacecankillyou,buttherightnumberofcalciumionsintherightplacecankeepyoufrombleedingtodeath.,例如，“离子”不只是一个化学概念。足量的汞离子在不合适的地方会致人死命，而适量的钙离子在合适的地方却能够使人避免因流血过多而死。,ion:ainn.离子mercury:m:kjurin.汞,水银calcium:klsimn.钙,“pV=nRT”isanequation,butitisalsothebasisfortherespiratorytherapythathassaveduntoldlivesinhospitals.,“pV=nRT”是一个方程式，但它也是在医院中挽救无数生命的呼吸疗法的基础。,respiratory:rispairtriadj.呼吸的,呼吸用的therapy:erpin.疗法,“Hydrogenbonding”isachemicalphenomenon,butitalsohelpstoaccountforthefactthatadoghaspuppieswhileacathaskittensandahumanhashumanbabies.,“氢键”是一个化学现象，但它还有助于说明一些事实的原因，比如狗生出的后代是小狗、猫生出的后代是小猫，而人类生出的后代仍然是人类。,puppy:ppin.小狗,幼犬kitten:kitnn.小猫,Therearehundredsofsimilarfundamentalandinterestingapplicationsofchemistrytolife.,化学在生活中还有许许多多类似的重要而又有趣的应用。,Knowledgeofchemistryhasalreadyhadaprofoundeffectonthequalityoflife.Itsimpactonthefuturewillbeevenmoredramatic.,化学知识已经对生活质量产生了深远的影响。它对未来的影响将会更加激动人心。,profound:prfaundadj.深度的;深切的;深远的dramatic:drmtikadj.戏剧性的,激动人心的,Atpresentwecancontroldiabetes,curesomeformsofcancer,andpreventsomeformsofmentalretardationbecauseofourunderstandingofthechemistryofthebody.,因为我们对身体中与化学相关问题有所了解，目前，我们能控制糖尿病，治疗一些癌症并能预防某些智力缺陷症。,diabetes:,daibi:ti:z,n.糖尿病retardation:,ri:t:dein,n.延迟,Wecantcurediabetesorcureallformsofcancerorallmentalretardation,becauseourknowledgeisstilllimited.,由于我们的知识仍然有限，所以我们不能治愈糖尿病、所有癌症或智力缺陷。,Solearnasmuchasyoucan.Yourworkwillbeenhancedandyourlifeenrichedbyyourgreaterunderstanding.,所以尽可能多地学习吧。随着你认识的更多，你的工作会更加进步，你的生活也会更加丰富多彩。,Beprepared.Somethinggoodmighthappentoyouand