LADP-2 Nidaamka Tijaabada ee Sawirka Muujiyay ee NMR Pulsed

LADP-2 Nidaamka Tijaabada ee Pulsed NMR

Sharaxaad Gaaban:

Pulsed Fourier waxay u beddeshaa resonance magnetka nukliyeerka waxay isticmaashaa garoonka RF ee garaaca si ay ugu dhaqanto nidaamka nukliyeerka si ay u ilaaliso jawaabta nidaamka nukliyeerka ee garaaca wadnaha, waxayna isticmaashaa tikniyoolajiyadda degdegga ah ee Fourier transform (FFT) si ay u beddesho calaamadda wakhtiga calaamadda domainka, taas oo ah oo u dhiganta hal mar oo kala duwan oo joogto ah mawjada nukliyeerka magnetic resonance spectrometers ayaa aad u faraxsan isla mar ahaantaana, sidaas darteed ifafaalaha resonance nukliyeerka waxaa lagu arki karaa baaxad weyn, calaamaduna waa mid deggan Waqtigan xaadirka ah, habka garaaca wadnaha ayaa loo isticmaalaa inta badan spectrometers NMR, halka Habka garaaca wadnaha waxaa loo isticmaalaa MRI.

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Faahfaahinta Alaabta

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Tijaabooyin

1. Faham aragtida aasaasiga ah ee jirka iyo qaabeynta tijaabada ee nidaamka PNMR.Baro inaad sharaxdo ifafaalaha jireed ee laxidhiidha ee PNMR adoo isticmaalaya qaabka vector-ka caadiga ah.

2. Baro isticmaalka calaamadaha spin echo (SE) iyo suuska soo jiidashada bilaashka ah (FID) si aad u cabbirto T₂(waqtiga nasashada ee spin-spin).Falanqeeyaan saamaynta isku-jirka magnetic field-ka ee calaamadda NMR.

3. Baro qiyaasta T₁(waqtiga nasashada spin-lattice) iyadoo la isticmaalayo soo kabashada gadaal.

4. Si tayo leh u faham habka nasashada, u fiirso saamaynta ions paramagnetic ee wakhtiga nasashada nukliyeerka.

5. Cabbir T₂xalinta copper sulfate ee xaddiyada kala duwan.Go'aami xidhiidhka T₂oo leh isbeddelka feejignaanta.

6. Cabir sida ay u ekaato barokaca kiimikaad ee muunadda.

Tilmaamaha

Sharaxaada	Tilmaamaha
Korontada goobta qaabaynta	ugu badnaan 0.5 A, nidaamka danab 0 - 6.00 V
Korontada goobta isku midka ah	ugu badnaan 0.5 A, nidaamka danab 0 - 6.00 V
Inta jeer ee Oscillator	20 MHz
Xoogga goobta magnetic	0.470 T
Dhexroorka tiirka magnetic	100 mm
Masaafada tiirka magnetic	20 mm
Dheefnimada goobta magnetic	20 ppm (10 mm × 10 mm × 10 mm)
Heerkulka la xakameeyey	36.500 °C
xasiloonida goobta magnetic	4 saacadood diirimaad in la dejiyo, soo noqnoqda Larmor waxay u wareegtaa wax ka yar 5 Hz daqiiqadii.

Liiska Qaybaha

Sharaxaada	Qty	Ogow
Unugga Heerkulka Joogtada ah	1	oo ay ku jiraan magnet iyo qalabka xakamaynta heerkulka
Unugga Gudbinta RF	1	oo ay ku jiraan sahayda korantada ee goobta wax-qabadka
Unugga Helitaanka Calaamadaha	1	oo ay ku jiraan sahayda korantada ee goobta isku midka ah iyo muujinta heerkulka
Xadhkaha Korontada	1
Cable kala duwan	12
Tusaalaha Tubooyinka	10
Buugga tilmaamaha	1