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2023兔年本命年溫馨祝願語說說 2023本命年發伴侶圈句子語錄

時間：2025-05-14 07:20:22 來源：網絡整理編輯：焦點

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HANGZHOU,Dec.25(Xinhua)--ResearchersineastChina'sZhejiangProvincehavedevelopedanultra-warm,lightweig

HANGZHOU,Dec.25(Xinhua)--ResearchersineastChina'sZhejiangProvincehavedevelopedanultra-warm,lightweightanddurableaerogelfiberbymimickingthestructureofpolarbearfur.ScientistsfromZhejiangUniversity'sCollegeofChemicalandBiologicalEngineeringandtheDepartmentofPolymerScienceandEngineeringwereinvolvedinthisresearch.Polarbearshavefurthathasaporouscoreencapsulatedinadenseshell,astructurethatkeepstheanimalswarmanddryatevenminus40degreesCelsiusbutisrelativelylightweight,saidBaiHao,aleadingprofessorinchemicalandbiologicalengineering,addingthattheshellisabout20micrometers,whichisnearlyone-fourthofthebear'shairdiameter.Bymimickingthecore-shellstructure,scientistsencapsulatedtheaerogelfiberwithastretchablelayer,providingpossibilitiesfordevelopingmultifunctionalaerogelfibersandtextiles.Comparedwithtraditionalaerogelfibers,thestrengthandflexibilityofthenewfiberaregreatlyenhanced,allowingforweavingorknittingintoawearablefabric.Testsshowthatasweaterknittedwiththefiberwasroughlyone-thirdtoone-fifthasthickasadownjacket,withsimilarperformance,Baiadded.ThestudywaspublishedinthejournalScienceinDecember.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.

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lifestyles gain popularity among young Chinese

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