Lub microwaves puas tso tawm hluav taws xob?

Cov txheej txheem:

Lub microwaves puas tso tawm hluav taws xob?
Lub microwaves puas tso tawm hluav taws xob?
Anonim

Microwave ncu siv hluav taws xob hluav taws xob los ua kom sov zaub mov. Cov hluav taws xob tsis-ionizing siv los ntawm lub microwave tsis ua rau cov zaub mov muaj hluav taws xob. Microwaves tsuas yog tsim thaum lub qhov cub ua haujlwm. Cov microwaves uas tsim nyob rau hauv qhov cub yog absorbed los ntawm cov zaub mov thiab tsim lub tshav kub uas ua noj cov zaub mov.

Puas microwave hluav taws xob puas muaj teeb meem?

Microwave hluav taws xob tuaj yeem ua kom sov lub cev nqaij daim tawv tib yam li nws ua kom sov zaub mov. raug rau qhov siab ntawm microwaves tuaj yeem ua rau mob kub hnyiab. Ob thaj chaw ntawm lub cev, ob lub qhov muag thiab cov noob qes, tshwj xeeb tshaj yog muaj kev phom sij rau RF cua sov vim tias muaj cov ntshav me me hauv lawv kom tshem tawm cov cua sov ntau dhau.

microwaves puas ua rau mob qog noj ntshav?

Microwaves tsis paub tias ua rau mob qog noj ntshav. Microwave ncu siv hluav taws xob microwave los ua kom sov zaub mov, tab sis qhov no tsis txhais hais tias lawv ua cov khoom noj muaj hluav taws xob. Microwaves cua sov zaub mov los ntawm kev ua rau cov dej molecules co thiab, vim li ntawd, zaub mov yog rhuab.

Puas microwave puas tsim nyog rau kev noj qab haus huv?

Raws li cov hluav taws xob hauv microwaves, nws tsis muaj mob kiag li. Microwaves siv cov hluav taws xob hluav taws xob tsawg tsawg - tib yam siv hauv lub teeb thiab xov tooj cua. … Tib neeg nqus cov nthwv dej electromagnetic, ib yam nkaus. Tab sis lub qhov cub microwave tsim cov nthwv dej me me thiab lawv muaj nyob hauv microwave.

Vim li cas koj yuav tsum tsis txhob siv lub microwave?

Microwaves muaj qee qhov downsides. RauPiv txwv li, lawv yuav tsis yog zoo li lwm txoj hauv kev ua nojntawm kev tua cov kab mob thiab lwm yam kab mob uas tuaj yeem ua rau zaub mov lom. Tias yog vim li cas cov cua sov yuav qis dua thiab lub sijhawm ua noj luv dua. Qee zaum, zaub mov kub tsis sib xws.

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.