Sisitimu Yekuyedza yeLADP-1A yeCW NMR - Mufananidzo Wemhando Yepamusoro

Sisitimu Yekuyedza yeLADP-1A yeCW NMR - Model Yepamusoro

Tsananguro pfupi:

Nuclear magnetic resonance (NMR) imhando yekuchinja kwe resonance kunokonzerwa nemafungu emagetsi mumunda wemagineti usingachinji. Kubva pakaitwa zvidzidzo izvi muna 1946, nzira nehunyanzvi hwe nuclear magnetic resonance (NMR) zvave zvichigadzirwa nekukurumidza uye zvichishandiswa zvakanyanya nekuti zvinogona kupinda zvakadzika muchinhu ichi pasina kuparadza muenzaniso, uye zvine mabhenefiti ekukurumidza, kururama uye kugona kwepamusoro. Mazuva ano, zvakapinda kubva pafizikisi kusvika kukemikari, biology, geology, kurapwa, zvinhu nezvimwe zvidzidzo, zvichiita basa guru mukutsvagisa nekugadzira kwesainzi.

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Tsananguro

Chikamu chekusarudza: Frequency meter, self prepared part oscilloscope

Iyi sisitimu yekuedza ye continuous-wave nuclear magnetic resonance (CW-NMR) ine magineti ane homogeneity yakakwira uye muchina mukuru. Magineti inogara iripo inoshandiswa kupa simba guru remagineti rinoiswa pamusoro pesimba remagineti rinogadziriswa, rinogadzirwa ne coils mbiri, kubvumira kugadziriswa kwakanaka kwesimba remagineti rose uye kutsiva kushanduka-shanduka kwesimba remagineti kunokonzerwa nekuchinja kwetembiricha.

Nekuti simba diki remagnetizing rinongodiwa chete kuti pave nesimba remagetsi rakaderera, dambudziko rekupisa kwesystem rinoderera. Saka, system inogona kushanda nguva dzose kwemaawa akati wandei. Ichi chishandiso chakakodzera chekuyedza marabhoritari efizikisi epamusoro.

Kuedza

1. Kuona chiitiko chenuclear magnetic resonance (NMR) chehydrogen nuclei mumvura uye kuenzanisa simba remaion eparamagnetic;

2. Kuyera maparamita ehydrogen nuclei nefluorine nuclei, akadai se spin magnetic ratio, Lande g factor, nezvimwewo.

Magadzirirwo

Tsananguro	Tsanangudzo
Nucleus yakayerwa	H na F
SNR	> 46 dB (H-nuclei)
Kuwanda kweOscillator	17 MHz kusvika 23 MHz, inogadziriswa nguva dzose
Nzvimbo yedanda remagineti	Dhayamita: 100 mm; nzvimbo: 20 mm
NMR signal amplitude (peak kusvika peak)	> 2 V (H-nuclei); > 200 mV (F-nuclei)
Kubatana kwesimba remagineti	zviri nani pane 8 ppm
Rudzi rwekugadzirisa rwemunda wemagetsi	60 Gauss
Huwandu hwemafungu ecoda	> 15