问题标题：
求一个关于化学发展史的英语演讲RT,要求是用于高一课前演讲,不要太长,3分钟以内,不要有太多生词
更新时间:2024-04-30 00:54:27
问题描述：
求一个关于化学发展史的英语演讲
RT,要求是用于高一课前演讲,不要太长,3分钟以内,不要有太多生词
贾智宏回答：
Eversincehumanbeings,thechemicalwillbeformedadeepbondwithhumans.Firebyrubbingsticks,cookfoodwithfire,firingpottery,smeltingbronzeandiron,arechemicaltechnology.Itistheseapplications,greatlypromotedthedevelopmentofsocialproductiveforcesatthattimebecomeasymbolofhumanprogress.
Today,thechemicalasabasisfordiscipline,inthescienceandtechnologyandallaspectsofsociallife,areplayinganincreasingrole.Fromancienttimes,alongwiththeprogressofhumansociety,chemical,historicaldevelopmentexperienceofwhattimes?
Periodofancientchemicalprocesses.Atthistimethehumanpottery,metallurgy,brewing,dyeingandotherprocesses,mainlyinthepracticalexperienceunderthedirectinspirationcameafterthenumberofyearstoexplore,chemicalknowledgehasnotbeenformed.Thisisachemistryinfancy.
Periodofalchemyandpharmaceuticalchemistry.From1500BCtoAD1650,alchemywarlockandalchemistwho,inthePalace,inthechurches,intheirownhome,inthedeepforestsofthesmoky,inordertoobtainimmortalityofthepanacea,inordertoobtainglorywealthofgold,startedthefirstchemistryexperiment.Records,summingupalchemybooks,inChina,Arabia,Egypt,Greecehasalot.Haveaccumulatedalotofmaterialduringthisperiodbetweenthechemicalchange,chemicalpreparationsforthefurtherdevelopmentofarichmaterial.Thisisthechemicalinthehistoryofthestrainsofourbreathtakingscene.Later,alchemy,alchemy,riseandfallseveraltimessothatpeoplecanseeitmoreabsurdside.Chemicalshiftinmedicineandmetallurgyhavebeengiventheproperplay.InEuropeduringtheRenaissance,thepublicationofseveralbooksonchemistry,forthefirsttimewiththe"chemical"term.English,chemistryoriginatedinalchemy,thealchemy.chemiststillhasatworelatedmeanings:chemistsandpharmacists.Thesecanbesaidthatchemistrygrewoutofalchemyandtheculturalheritageofthepharmaceuticalindustry.
Phlogistonchemistryperiod.From1650to1775,withthemetallurgicalindustryandlaboratoryexperience,thepeoplehavecomeupperceptualknowledgethatthecombustiblematerialtoburnbecauseitcontainsphlogiston,thecombustionprocessiscombustibleintheprocessofreleaseofphlogiston,phlogistonreleasedcombustiblelaterreducedtoashes.
Quantitativechemicalperiod,whiletheperiodofModernChemistry.Beforeandafter1775,Lavoisierquantitativechemicalexperimentdescribedtheoxidationtheoryofcombustion,creatingaperiodofquantitativechemistry.Duringthisperiodtheestablishmentofanumberofbasiclawsofchemistry,madeofatomictheory,periodiclawofelementsfoundinthedevelopmentoftheorganicstructuretheory.Allofthisforthedevelopmentofmodernchemistrylaidasolidfoundation.
Scienceandmutualpenetrationperiod,whiletheperiodofmodernchemistry.Theearlytwentiethcentury,thedevelopmentofquantumtheorytochemistryandphysicshaveacommonlanguagetoaddressmanyofthechemicalontheoutstandingissues;ontheotherhand,chemicalYouxianginfiltrationofsuchdisciplinesasbiologyandgeology,sothatproteins,enzymesstructurehasbeengraduallysolved.
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