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發表於:2018-10-14
Comeforwardnewformulatocountmortalityoflacinsect.Thispaperdealswithclimaticconditionsinoriginallac-producingareasandlacinsectintroductionandcultivationinnewplaces.Friends...
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發表於:2021-12-12
Forthemostvulnerableshellacvarnish,usenon-metalliccontainers,addgoldpowderandsilverpowderbeforeusingvarnish,donotaddvarnishtostoreprematurely.Baseontheknots,applicationof...
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發表於:2019-05-15
ItwasfoundthatthecontentofsoftresininChineselacwashigherthanthatofIndianlac.5chromatographiczoneswereseparatedfromChineselacfoodpigmentusingcolumnchromatography....
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發表於:2018-08-08
scarletdyelikecochineal;extractedwithalkalifromsticklac.granularmaterialobtainedfromsticklacbycrushingandwashing.Thecopperinsticklacexistedmainlyinthecorpsesofthelacinsec...