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RF isagwe Malo

Kufotokozera Kwachidule:

Makina ojambula maginito ndi chida chodziwitsa bwino kwambiri, chomwe chimakhala ndi zofunikira kwambiri pakukhazikitsa. Chizindikiro cha NMR ndichizindikiro chofooka kwambiri, chomwe chimakhudzidwa mosavuta ndikusokonezedwa ndi kunja. Chifukwa chake, makina a MRI nthawi zambiri amafunika kukhala ndi zitseko za Faraday (zipinda zotetezera RF) kuti athetse kusokonezedwa kwapafupipafupi ndi ma wailesi kulowa m'dongosolo. Komabe, zipinda za MRI sizigwiritsa ntchito kapena kufunikira kutetezedwa ndi X-ray kapena radiation chifukwa sizipanga ma radiation a x-ray kapena gamma.


Mankhwala Mwatsatanetsatane

Zogulitsa

Kuyamba Kwazinthu

Makina ojambula maginito ndi chida chodziwitsa bwino kwambiri, chomwe chimakhala ndi zofunikira kwambiri pakukhazikitsa. Chizindikiro cha NMR ndichizindikiro chofooka kwambiri, chomwe chimakhudzidwa mosavuta ndikusokonezedwa ndi kunja. Chifukwa chake, makina a MRI nthawi zambiri amafunika kukhala ndi zitseko za Faraday (zipinda zotetezera RF) kuti athetse kusokonezedwa kwapafupipafupi ndi ma wailesi kulowa m'dongosolo. Komabe, zipinda za MRI sizigwiritsa ntchito kapena kufunikira kutetezedwa ndi X-ray kapena radiation chifukwa sizipanga ma radiation a x-ray kapena gamma.

CSJ ili ndi mayankho athunthu amagetsi, kuyambira pakuwunika ndi kukonza mapulani, pakupanga ndi kukonza, kenako kukhazikitsa malo azipinda zotetezedwa, zitseko zotetezedwa, mawindo oteteza, zotsekera, magetsi, ndi zina zambiri.

Kutchinjiriza kwa RF kuyikidwa, kuyenera kuyesedwa kuti muwonetsetse phokoso laling'ono la RF m'malo ozungulira zida za MRI. Nthawi zambiri, kuti muyesere phokoso la RF, chopatsilira chimayikidwa kunja kwa chipinda chomwe chitha kufalitsa pafupipafupi komanso mphamvu ya mafunde a RF. Wolandila amayikidwa m'chipinda chotetezedwa kuti adziwe kuchuluka kwa chizindikirocho kulowa mu chitetezo cha RF.

Finaly, njira zonse zimakwaniritsidwa bwino pakukongoletsa mkati ndi kuyeretsa.

Zida Zamagulu

1, CSJ-PSH ndi njira yodzitchinjiriza ya RF yokhala ndi ukadaulo woteteza.

2, Inamangidwa ndi pulasitiki-sprayed mapanelo oyera zotayidwa ndipo minimizes pamalo ntchito yomanga

3, Quick kukhazikitsa (masiku 3 mwachizolowezi), sanali poizoni

4, Adalamula malinga ndi zofuna za makasitomala

5, kuwunika wodwala kuchokera kulikonse.

6, Zambiri komanso zokongola

7, Kusamalira kwachepetsedwa

8, Kuchepetsa cheza RF zoposa 80dB


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