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Dab tsi yog kev lag luam siv selenium?

Electronics kev lag luam
Selenium muaj photosensitivity thiab semiconductor zog, thiab feem ntau yog siv nyob rau hauv electronics kev lag luam los tsim photocells, photosensors, laser li, infrared controllers, photocells, photoresistors, optical instruments, photometers, rectifiers, thiab lwm yam. txog 30% ntawm tag nrho cov kev thov.High purity selenium (99.99%) thiab selenium alloys yog lub ntsiab lub teeb-absorbing media nyob rau hauv photocopiers, siv nyob rau hauv daim ntawv dawb huv thiab photoreceptors rau laser presses.Qhov tseem ceeb ntawm grey selenium yog tias nws muaj cov khoom siv hluav taws xob zoo ib yam thiab tuaj yeem siv rau hauv xov tooj cua yoj nrhiav thiab kho.Selenium rectifier muaj cov yam ntxwv ntawm kev thauj khoom tsis kam, kub tsis kam thiab zoo hluav taws xob ruaj khov.

Kev lag luam iav
Selenium yog lub cev decolorizer zoo thiab feem ntau siv hauv kev lag luam iav.Yog hais tias cov iav raw khoom muaj hlau ions, lub iav yuav pom lub teeb ntsuab, thiab selenium yog cov khoom uas muaj xim hlau, ntxiv ib qho me me ntawm selenium tuaj yeem ua rau cov iav tshwm liab, ntsuab thiab liab ntxiv rau ib leeg, ua rau cov iav tsis muaj xim, Yog tias ntxiv selenium ntau dhau, koj tuaj yeem ua rau lub npe nrov ruby ​​iav - selenium iav.Selenium thiab lwm yam hlau tuaj yeem siv ua ke los muab cov iav sib txawv xws li grey, tooj liab thiab liab.Cov iav dub siv hauv tsev thiab tsheb kuj tseem muaj selenium, uas txo qhov kev siv ntawm lub teeb thiab ceev ntawm cov cua kub hloov.Tsis tas li ntawd, selenium iav kuj tuaj yeem siv los tsim lub teeb ci ntawm lub teeb liab liab ntawm kev sib tshuam.

Kev lag luam metallurgical
Selenium tuaj yeem txhim kho kev ua haujlwm ntawm cov hlau, yog li nws feem ntau siv hauv kev lag luam metallurgical.Ntxiv 0.3-0.5% Selenium mus cam khwb cia hlau, stainless hlau thiab tooj liab alloys tuaj yeem txhim kho ntau dua ntom ntom dua, thiab cov npoo ntawm cov machined ntau du.Alloys muaj li ntawm selenium thiab lwm yam ntsiab lus feem ntau yog siv nyob rau hauv kev tsim cov low-voltage rectifiers, photocells, thiab thermoelectric cov ntaub ntawv.

Kev lag luam tshuaj
Selenium thiab nws cov tebchaw feem ntau yog siv los ua catalysts, vulcanizers thiab antioxidants.Kev siv selenium ua catalyst muaj qhov zoo ntawm cov tshuaj tiv thaiv me me, tus nqi qis, me me ib puag ncig muaj kuab paug, yooj yim tom qab kho, thiab lwm yam. Piv txwv li, elemental selenium yog cov catalyst hauv cov txheej txheem ntawm kev npaj cov tshuaj sulfur los ntawm sulfite cov tshuaj tiv thaiv.Nyob rau hauv cov txheej txheem ntawm cov roj hmab ntau lawm, selenium feem ntau yog siv los ua tus neeg sawv cev vulcanizing los txhim kho qhov hnav tsis kam ntawm roj hmab.

Kev lag luam kho mob
Selenium yog ib feem tseem ceeb ntawm qee cov enzymes antioxidant (glutathione peroxidase) thiab selenium-P protein nyob rau hauv cov tsiaj thiab tib neeg, uas tuaj yeem txhim kho tib neeg kev tiv thaiv kab mob, mob qog noj ntshav, kab mob plab, kab mob plawv thiab cerebrovascular, kab mob prostate, kab mob hauv lub zeem muag, thiab lwm yam, yog li selenium. yog dav siv nyob rau hauv kev kho mob teb rau kev kho mob thiab alleviation ntawm ntau yam kab mob tshwm sim los ntawm selenium deficiency.Txij li thaum selenium yog ib qho khoom tsim nyog rau tib neeg lub cev thiab muaj kev cuam tshuam tseem ceeb rau tib neeg kev noj qab haus huv, kev lag luam kho mob tau pib tsim ntau yam khoom siv selenium ntxiv, xws li malt selenium.

Lwm daim ntawv thov
Hauv kev ua liaj ua teb, selenium tuaj yeem ntxiv rau cov chiv txhawm rau txhim kho lub xeev ntawm cov av selenium deficiency thiab txhawb kev loj hlob ntawm cov nroj tsuag.Selenium kuj tseem siv rau hauv cov tshuaj pleev ib ce, thiab qee cov tshuaj pleev ib ce uas muaj selenium muaj kev tiv thaiv kev laus.Tsis tas li ntawd, ntxiv selenium rau cov tshuaj plating tuaj yeem txhim kho cov tsos ntawm cov plating qhov chaw, yog li nws kuj yog ib qho kev ua haujlwm zoo.pplied rau kev lag luam plating.


Post lub sij hawm: Jun-07-2024