lac造句
Comeforwardnewformulatocountmortalityoflacinsect.Thispaperdealswithclimaticconditionsinoriginallac-producingareasandlacinsectintroductionandcultivationinnewplaces.Friendship!Themysteriouslacisyoursoul...
相关lac的文学知识
lac varnish造句
Forthemostvulnerableshellacvarnish,usenon-metalliccontainers,addgoldpowderandsilverpowderbeforeusingvarnish,donotaddvarnishtostoreprematurely.Baseontheknots,applicationofshellacvarnishresinpartsclosed...
Chinese lac造句
ItwasfoundthatthecontentofsoftresininChineselacwashigherthanthatofIndianlac.5chromatographiczoneswereseparatedfromChineselacfoodpigmentusingcolumnchromatography....
stick lac造句
scarletdyelikecochineal;extractedwithalkalifromsticklac.granularmaterialobtainedfromsticklacbycrushingandwashing.Thecopperinsticklacexistedmainlyinthecorpsesofthelacinsectandthatwasthemainpollutionsou...