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1、98SOMENOTESONTHEDETERMINATIONOFTHEGRISTOFSUGARSWITHREFERENCETOTHEMEANAPERTURE•-CO-EFFICIENTOFVARIATIONCONCEPTByDENNISHASTILOWItispossibletoobtainmostsubstancesinthesincethesmallgrainreadilyfillsupthespacesformofdiscreteparticles,butwhethertheseparticlesbetweenthelargegrains,andthi
2、sprocesscontinuesaregrownfromasmallneucleus,asinthecaseofwitheverysmallvibrationuntilthepileofsugarsugar,orreducedtothissmallsizefromlargerwouldeventuallyconsolidateevenwithaminimumparticles,itisonlyunderthemostcarefullycon•ofchemicaldeterioration.trolledconditionsthatalltheultima
3、teparticleswillInthissamepaper,Dr.DouwesDekkerintro•beofthesamesize.Eventheshapesof.theseduced,Ibelieve,toNataltheconceptofSpecificultimateparticlesarenotreadilymadetoconformGrainSize,whichisoneofthemethodsmentionedexactlytoanypredeterminedconfiguration,andearlierofreducingtoadesc
4、riptioninsimpletermsforalongtime,effortshavebeenmadetofindathevariationsinsizeoftheparticlesofanymaterial.simple.andeasilycomprehendedmethodofexpres•singtheoverallpictureofthevariationsinsizesandshapesoftheparticlesinagivenmassofmaterial.PERCENTAGEOFSAMPLEIncasetheseeffortsmaybeth
5、oughtofasjustBYWEIGHT.anothermannerinwhichascientistortechnologist100p-canjustifyhisspending(somewouldevenbeunkindenoughtosaywasting)alotoftime,therearemanyIinstancesofthepracticaluseofacloseappreciationofthevariationinshapesorsizesfromthedesiredIoraveragevalue.80Totaketwoexamples
6、onlyfromourownindustry,Iinthecaseofrawsugarmanufacture,itisimportantthatthemagmausedforseedingshouldbeofasuniformasizeaspossibleandwithoutconglomer•FIGlIRE2.ates,sothatthefinalproductwillalsohavecrystals60ofuniformsizeandshape,sincethisfacilitatestheIspinninganddryingofthemassecui
7、te.Atthemoment,thisprocedureofmagmaseedinglieswithintheprovinceofthesugarmiller,butitisquiteI40possiblethatinthenottoofardistantfuture,someformofmagmaseedingmaybeusedintherefinery.Ir1Inthecaseofrefinedsugar,itisthevariationsinsizeandshapeofcrystalswhichareresponsibleforijtheattr
8、activeorotherwiseappearanceofthe2
