papermaking造纸术_图文

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1、TheFourGreatInventionsofAncientChinaChineseancientachievementsinscienceandtechnology1.ScienceandtechnologyChineseancientastronomycalendar1.ScienceandtechnologyAncientChinesemathematicsachievement:1.Ninechaptersofarithmetic《九章算术》2.《周髀算经》1.ScienceandtechnologyTheancientChineseachiev

2、ementsinphysicsmedicinegeographyarchitectureandsoon.ThefourgreatinventionswereimportantsymbolsofChina’sroleasagreatworldcivilization.2.InfluencetotheworldMarxpointedout:Gunpowderblewuptheknight(骑士)classCompass（罗盘）openedtheworldmarketandsetupcolonies（殖民地）Printingisbecomingprotestan

3、ttools2.InfluencetotheworldThefourgreatinventionsintheEuropeancivilizationgraduallyspreadtothewestbefore,becomethenecessarypremiseof“Bourgeois(资产阶级)development"Papermakingtechnology4.DevelopmentInvented2century105Popularize3to4centuryOnlywritingmaterialMaininventor：2.CaiLun?—121Of

4、ficialKilledbyhimselfThegodofpaperWhatdoesitmakeof?1.AncientrawmaterialBark(树皮)Fishingnetclothhempheads(麻头)3.produceTherearefourmainstepsIwillintroducetoyou3.produceFirstSeparationofrawmaterialTousetherettingleaching（沤浸）orcookingmethodsforrawmaterialsinalkali（碱）degumming（脱胶）,andsc

5、atteredintofibrous（纤维状）;3.produceSecondBeating（打浆）Usethemethodofcuttingandstruck（捶捣）staplefiber,andmakethefiberbroom(帚化),andbecomethepulp(纸浆);3.produceThirdManufacturepaperwithpulp（抄造）Namelymakepulpwaterpenetrationintoslurry,thenusedforpaperpulp(wovenbamboomat)andgetthepulpinpaper

6、towoventhinsheetofwetpaper;3.producefourthDryNamelythewetpapertodry,peelingthenbecameapaper.4.Spread6thcentury:Korea7thcentury:Japan8thcentury:ArabStatesandIndia12thcentury:EuropeandAfrica16thcentury:Amrica19thcentury:Oceania5.InfluenceItisarevolutionofwritingmaterial.Anditiseasyt

7、ocarry,therangeisnotconstrained(强迫),drivingtheChinese,Arab（阿拉伯人）,Europeanandtheworld'sculturaldevelopment.Paper-makingisoneofthefourgreatinventionsofChina,thepaperistheHanlongexperienceaccumulationandthecrystallizationofthewisdomofworkingpeople,humanabrilliantinventioninthehistory

8、ofcivilization.