專業(yè)英語(yǔ)題目教學(xué)課件

CommonInstrumentsforChemicalExperiment(化學(xué)實(shí)驗(yàn)常用儀器的英文名稱)普通試管(test-tube),離心試管(centrifugaltest-tube)試管架(test-tuberack)試管夾(test-tubeclamp),泥三角(wiretriangle),溫度計(jì)(thermometer),燒杯(beaker)毛刷(hairbrush),錐形瓶(conicalflask),量筒(measuringcylinder)漏斗(funnel)吸量管、移液管(pipette),容量瓶(volumetricflask)酸式滴定管(acidicburette),堿式滴定管(basicburette)吸濾瓶和布式漏斗ffilterflaskandBuchnerfunnel)稱量瓶(weighingbottle),表面皿(watchglass)滴管(burette(buret),T形管(Joint),Y形管(Yjoint),U形管(Utube),三頸燒瓶(3-neckedflask),冷阱(liquidtrapper干燥管(dryingtube),干燥器(desiccator),滴瓶、細(xì)口瓶、廣口瓶(reagentbottle普通圓底燒瓶(roundflask),磨口圓底燒瓶(ground-inroundflask)蒸餾燒瓶(distillingflask)分液漏斗(separatingbasin)滴液漏斗(droppingfunnel)冷凝管(condenser)蒸餾頭(distillationhead塞子(stopper)應(yīng)接管(distillationadapter坩堝(crucible)蒸發(fā)皿(evaporatingbasin研缽(mortar),鑰勺(spatula)點(diǎn)滴板(spotplate),水浴鍋(waterbath)三腳架(tripod)石棉網(wǎng)(asbestoscentergauze)鐵架臺(tái)(ringstand)鐵圈(ring),鐵夾(燒瓶夾,flaskclamp)坩堝鉗(crucibletongs碘量瓶(iodineflask)燃燒匙(combustionspoon)砂芯漏斗glasssandfunnel),集氣瓶(gas-jar)分離式離心機(jī)(separatingcentrifuge)石蕊試紙(litmuspaper)酚酞(phenolphthalein)reactantreactionoxidant/reductantproduce/intermediateproductproductionsolventdescribesolutionachemicalConcentrationperiodictablereaction濃溶液strongsolution/concentratedsolution稀溶液weaksolution/dilutesolutionH2+Cl2>2HCIhydrogen(agas)+chlorine(agas)yields2moleculesofhydrochloricacidCuo+h------->Cu+hocopperoxidehydrogen(agas)yieldscopperwaterH2+S…H2shydrogen(agas)+sulfuryieldshydrogensulfideIntroduction1.DifferencebetweenPublicEnglishandSpecializedEnglisheg.NaturalandSyntheticRubber日常英語(yǔ)科學(xué)英語(yǔ)PeoplegetnaturalNaturalrubberisrubberfromrubbertreesobtainedfromrubbertreesasawhite,milkyliquidasawhite,milkyliquidwhichiscalledlatex(天然膠knownaslatex乳)Theymixitwithacid,andThisistreatedwithaciddryit,andthentheysenditanddriedbeforebeingtocountriesalloverthedispatched(派送)toworld.astherubbercountriesallovertheworldindustrygrew,peopleAstherubberindustryneededmoreandmoredeveloped,moreandmorerubberrubberwasrequired.TheystartedrubberRubberplantationswereplantations(橡膠園)inestablishedincountrieswithcountrieswithhotwetahothumidclimate.butweatherconditions,butthesestillcouldnotsupplythesestillcouldnotgivesufficientrawrubbertoenoughrawrubbertomeetsatisfytherequirementsoftheneedsofgrowingdevelopingindustry.industry.(續(xù)ItwasnotsatisfactoryforItwasunsatisfactoryforindustrytodependonindustrytodependonsupplies,whichcomefromsosuppliescomingfromsofarfarawayfromtheindustrialawayfromtheindustrialareasofEurope.ItwasareasofEurope.ItwasalwayspossiblethatwarsoralwayspossiblethatsuppliesshippingtroublecouldstopcouldbestoppedbywarsorsuppliesshippingtroubleFormanyyearspeopleFormanyyears,attemptstriedtomakesomethingtoweremadetoproduceatakeitsplace,buttheycouldsubstitute,buttheywerenotdoit.Intheend,theyunsuccessful.finally,afoundawayofmakingmethodwasdiscoveredofartificial,man-maderubberproducingsyntheticrubberwhichisinmanywaysbetterwhichisinmanywaysthanandinsomewaysnotassuperiorandinsomewaysoodasnaturalrubber.inferiortonaturalrubber(續(xù))Theymakeartificial,Syntheticrubberisman-maderubberinproducedinfactoriesbyfactoriesaacomplicatedchemicalcomplicatedchemicalprocess.Itisusuallprocess.Itisusuallycheaperthannaturalcheaperthannaturalrubber.rubberAtpresent,theworldToday,theworldrequirementsforrubberneedssomuchrubberaresogreatthatboththatweusebothnaturalnaturalandsyntheticandartificialrubberinrubberareusedinlargeamountsquantities.日常英語(yǔ)與科學(xué)英語(yǔ)詞匯與表達(dá)式比較NaturalandSyntheticRubber日常英語(yǔ)科學(xué)英語(yǔ)getisobtainedwhichiscalledknownasmixitwithtreated