Vim li cas terahertz siv?

Cov txheej txheem:

Vim li cas terahertz siv?
Vim li cas terahertz siv?
Anonim

Terahertz hluav taws xob tuaj yeem nkag mus rau cov ntaub thiab cov yas, yog li nws tuaj yeem siv rau hauv kev soj ntsuam, xws li kev tshuaj ntsuam xyuas kev nyab xeeb, txhawm rau nthuav tawm riam phom zais ntawm tus neeg, nyob deb. Qhov no yog qhov txaus siab tshwj xeeb vim tias ntau cov ntaub ntawv txaus siab muaj qhov tshwj xeeb spectral "tus ntiv tes" hauv terahertz ntau yam.

Vim li cas terahertz tseem ceeb?

Vim nws cov khoom tshwj xeeb, terahertz hluav taws xob tau dhau los ua cov thev naus laus zis tseem ceeb ntawm lub neej yav tom ntej: nws tuaj yeem yog siv los ntes zais cov khoom tawg lossis tshuaj thiab nws tuaj yeem txheeb xyuas cov tshuaj twg ntws. los ntawm cov yeeb nkab yas.

terahertz ua dab tsi?

Nruab nrab microwaves & infrared

Terahertz tuaj yeem "saib sab hauv" plastics thiab textiles, ntawv thiab cardboard. Ntau yam biomolecules, proteins, explosives los yog narcotics kuj muaj cov yam ntxwv haum kab, thiaj li hu ua spectral "tus ntiv tes", ntawm zaus ntawm 0.1 thiab 5 THz.

Puas yog terahertz teeb meem?

luv luv tseem muaj zog tawg ntawm terahertz hluav taws xob tuaj yeem ua rau DNA puas thiab tseem ua rau cov protein ntau ntxiv uas pab cov hlwb los kho qhov kev puas tsuaj no. … Raws li qhov tshwm sim, kev siv qis terahertz pulses ntseeg tias tsis muaj kev phom sij rau cov kab mob nyob.

Koj ua li cas terahertz hluav taws xob?

Terahertz hluav taws xob tuaj yeem tsim los ntawm kev siv ob qho kev cuam tshuam: ib qho yog tsom ntawm ob lub teeb laser ntawm qhov sib txuas ntawm ib qho khoom siv hluav taws xob; lwm tusyog kev sib cais ntawm photoconductive tus nqi nqa khoom siv lub laser ultrafast.

Pom zoo:

Vim li cas ho tshem cov khoom siv tsis siv?

Vim li cas ho tshem cov khoom siv tsis siv?

Cov khoom siv tsis siv txuas muaj lub peev xwm los txuag koj cov nyiaj ntawm cov nuj nqis, thiab qhov kev xyaum no tuaj yeem ua rau koj cov khoom muaj sia. Ntau cov khoom koj tau ntsaws rau hauv ib ncig ntawm lub tsev, qhov cuam tshuam rau koj cov cuab yeej yuav ua rau puas tsuaj los ntawm lub zog tsis txaus ntseeg.

Thaum siv vim li cas thiab yog vim li cas?

Thaum siv vim li cas thiab yog vim li cas?

Vim li cas thiab qhov twg ntawm qee yam yog vim li cas rau nws. Txawm tias cov thawj coj ua tiav yuav tsum tau nug txog vim li cas thiab yog li ntawd ntawm lawv qhov kev ua. Nws tsis txaus siab tham txog vim li cas thiab yog li ntawd nws lub sijhawm nyob txawv teb chaws.

Vim li cas cov khoom siv dielectric siv hauv capacitor?

Vim li cas cov khoom siv dielectric siv hauv capacitor?

Ib qho khoom siv dielectric yog siv los cais cov paib hluav taws xob ntawm lub capacitor. Cov khoom siv insulating no tseem ceeb txiav txim siab txog cov khoom ntawm cov khoom. Lub dielectric qhov tsis tu ncua ntawm cov khoom txiav txim siab npaum li cas ntawm lub zog uas lub capacitor tuaj yeem khaws cia thaum siv hluav taws xob.

Vim li cas thiaj siv cov khoom siv pseudo tseem ceeb?

Vim li cas thiaj siv cov khoom siv pseudo tseem ceeb?

Pseudocritical txoj cai muab a txhais tau tias txiav txim siab txo cov khoom sib tov kom cov khoom xyaw ntshiab sib xws hauv cov xeev kev sib raug zoo yuav raug siv los kwv yees cov khoom sib xyaw. Pseudo tseem ceeb yog dab tsi? 2.1 Taw qhia.

Vim li cas dej siv hluav taws xob siv nyob rau sab hnub tuaj ntawm cov andes?

Vim li cas dej siv hluav taws xob siv nyob rau sab hnub tuaj ntawm cov andes?

Yuav luag txhua lub nroog loj nyob rau sab hnub poob Pacific txoj kab nqes ntawm Andes vam khom rau dej thiab zog ua los ntawm hydropower, uas lub roob Andes muab (Devenish & Gianella, 2012). Lub Andes yog qhov tseem ceeb raws li qhov chaw muaj peev txheej ntxhia thiab thaj av ua liaj ua teb.