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ӰRoHS

 ʱ䣺2015-05-21


RoHSǾŷRoHSԱ׼ǦPbCdHg۸Cr6+PBDEPBBкʵ


Ӱ¹˾RoHS


RoHSԭ

ROHSǾXӫԭҲXӫǵԭXӫͨɷΪɫɢXӫ(WDXRF)ɫɢXӫ(EDXRF)ɫɢҪԴӰֹ⾧ͲǡӰ̽ɫɢֻ輤Դ̽صƲԼ

ɫɢXӫʹ÷ֱԪصBraggͨⶨǶɻôԪص߲n=2dsina n=1,2,3ʽ Ϊ߲dΪࣻΪǣnΪ伶òǿԲ÷ߵʽԼӦԪصӶôԪصϢ

ɫɢӫ̽ͨⶨ̽ռֱӻñԪطQ=kE ʽKΪߵQΪ̽ӦkΪͬ̽ӦͨⶨɵõԪصϢ

ԪصҪһԴܻĿǰõԴҪ߹ܺͬλؼԴΪƷԺͶϢһƷƱԻõǿȽص׷ݴ

ؼ֣RoHS
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