简介：FuJishuandYeYajunofZhejiangTex-tileEngineeringSchoolofChinarepor-tedthatasmallamountofRE-chlorides（0.3%）addedtothedyeingbathforpuresilkgivesprominentresultsasverifiedbylaboratoryworkandproductiontrialsandCeCl3isaseffectiveasmixedRE-chloridesofthelightsub-group.TheuseofREinsilkdyeingbathsre-suitsin:shorteningtimefordyeing,de-

简介：ThetanningprocessusingREsandchromeisbasedonpartialsubstitutionofREsForredvitriol.Experimentalre-sultsshowedthattheconsumptionofredvitriolreducedby1/3andchromecon-tentinthewasteliquiddecreasedby80-90%,ascomparedwiththetraditionalprocess.Inleatherdyeing,theadditionofREsincreasestheeffectofcollagenfibreontheabsorptioncombinationpro-

简介：Inordertostudytheinfluenceofwoodmicrostructureonwooddyeing,elevenparametersofwoodmicrostructureand5parametersofwooddyeingeffectsfor34piecesofwoodboardsfrom5treesofChinesewhitepoplar(Populustornentosa)weredeterminedandthemultipleregressionanalysisbetweenthefactorsofwoodmicrostructuresandtheparametersofwooddyeingeffectsweremade.Theregressionresultsshowthateachvariableofwooddyeingeffectshashigherrelationshipwithwoodmicrostructures,andmultiplecorrelationcoefficientsbetweeneachvariableofwooddyeingeffectsandwoodmicrostructuresare0.4836-0.7998.ThemainfactorsofwoodmicrostructuresinfluencingwooddyeingofChinesewhitepoplarareproportionofwoodray,proportionofvesselandproportionofwoodfiberaccordingtocomparingthestandardizedregressioncoefficientsofmultipleregressionequation.

简介：ThekeratinsofwoolunderwentPhotooxidationtoformaweakerluminophorinvisibleblueregion(λmax=420nm),thatreactswithceriumiontoproduceanenhancedluminophorcomplex(λmax=426nm),itmakeswoolwhiteobviously.

简介：