LADP-2 Yekuedza System yePulsed NMR

Tsanangudzo Pfupi:

Pulsed Fourier inoshandura nuclear magnetic resonance inoshandisa pulsed RF munda kuita pane nyukireya system kuona mhinduro yegadziriro yenyukireya kumhepo, uye inoshandisa tekinoroji inokurumidza yeFourier kushandura (FFT) kushandura siginecha yenguva kuita frequency domain chiratidzo, inova. yakaenzana neakawanda single frequency inoenderera mberi wave nuclear nuclear resonance spectrometers inofara panguva imwe chete, saka nyukliya magnetic resonance phenomenon inogona kuonekwa munzvimbo yakakura, uye chiratidzo chacho chakagadzikana Parizvino, pulse nzira inoshandiswa mune dzakawanda NMR spectrometers, nepo. pulse nzira inoshandiswa muMRI.

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Miedzo

1. Nzwisisa dzidziso yekutanga yemuviri uye yekumisikidzwa kwePNMR system.Dzidza kutsanangura zvine hukama zviitiko zvemuviri muPNMR uchishandisa classical vector modhi.

2. Dzidza kushandisa zviratidzo zve spin echo (SE) uye mahara induction decay (FID) kuyera T.₂(spin-spin kuzorora nguva).Ongorora pesvedzero yemagnetic field homogeneity pane NMR chiratidzo.

3. Dzidza kuyera T₁(spin-lattice relaxation time) uchishandisa reverse recovery.

4. Hwisisa magadzirirwo ekuzorora, cherechedza mabatiro eiyoni paramagnetic pane nguva yenyukireya yekuzorora.

5. Kuyera T₂yemhangura sulfate solution pazvikamu zvakasiyana.Sarudza hukama hwaT₂nekuchinja kwekufungisisa.

6. Kuyera hukama hwemakemikari kubviswa kwemuenzaniso.

Zvinotsanangurwa

Tsanangudzo	Zvinotsanangurwa
Simba rekupa modulation ndima	yakanyanya ikozvino 0.5 A, voltage regulation 0 - 6.00 V
Simba rekupa homogenous munda	yakanyanya ikozvino 0.5 A, voltage regulation 0 - 6.00 V
Oscillator frequency	20 MHz
Magnetic field simba	0.470 T
Magnetic danda dhayamita	100 mm
Magnetic pole kure	20 mm
Magnetic field homogeneity	20 ppm (10 mm × 10 mm × 10 mm)
Kudzora tembiricha	36.500 °C
Magnetic field kugadzikana	Maawa mana anodziya kuti agadzikane, Larmor frequency inodonha isingasviki 5 Hz paminiti.

Zvikamu List

Tsanangudzo	Qty	Cherechedza
Constant Temperature Unit	1	kusanganisira magineti uye tembiricha yekudzora mudziyo
RF Transmitting Unit	1	kusanganisira simba rekupa modulation munda
Chiratidzo Kugamuchira Chikamu	1	kusanganisira simba rekupa homogenous munda uye tembiricha kuratidza
Tambo yemagetsi	1
Various Cable	12
Sample Tubes	10
Chinyorwa Chekudzidzisa	1