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Tsarin Gwaji na LADP-1A na CW NMR - Tsarin Ci gaba

Takaitaccen Bayani:

Maganin maganadisu na nukiliya (NMR) wani nau'in yanayin sauyawar amsawa ne da ke faruwa sakamakon tasirin lantarki a cikin filin maganadisu na yau da kullun. Tun lokacin da aka gudanar da waɗannan nazarin a cikin 1946, an haɓaka hanyoyi da dabarun amsawar maganadisu na nukiliya (NMR) cikin sauri kuma ana amfani da su sosai saboda suna iya zurfafa cikin abu ba tare da lalata samfurin ba, kuma suna da fa'idodin sauri, daidaito da babban ƙuduri. A zamanin yau, sun shiga daga kimiyyar lissafi zuwa sunadarai, ilmin halitta, ilimin ƙasa, maganin likita, kayan aiki da sauran fannoni, suna taka muhimmiyar rawa a binciken kimiyya da samarwa.


Cikakken Bayani game da Samfurin

Alamun Samfura

 

Bayani

Sashe na zaɓi: Mita mita, oscilloscope na ɓangaren da aka shirya da kansa

Wannan tsarin gwaji na ci gaba da amfani da maganadisu na nukiliya (CW-NMR) ya ƙunshi maganadisu mai kama da juna da kuma babban na'urar injina. Ana amfani da maganadisu na dindindin don samar da babban filin maganadisu da aka haɗa ta hanyar filin lantarki mai daidaitawa, wanda aka samar ta hanyar na'urori biyu, don ba da damar daidaitawa mai kyau ga jimlar filin maganadisu da kuma rama canjin filin maganadisu da bambancin zafin jiki ya haifar.

Saboda ƙaramin ƙarfin maganadisu ne kawai ake buƙata don ƙarancin filin lantarki, matsalar dumama tsarin ta ragu. Don haka, ana iya sarrafa tsarin akai-akai na tsawon awanni da yawa. Kayan aiki ne na gwaji mafi kyau ga dakunan gwaje-gwaje na kimiyyar lissafi na zamani.

Gwaji

1. Don lura da yanayin sinadarin magnetic resonance (NMR) na sinadarin hydrogen a cikin ruwa da kuma kwatanta tasirin ions masu kama da juna;

2. Don auna sigogin nuclei na hydrogen da fluorine, kamar rabon maganadisu na juyawa, factor na Lande g, da sauransu.

Bayani dalla-dalla

Bayani

Ƙayyadewa

An auna tsakiya H da F
SNR > 46 dB (H-nuclei)
Mitar Oscillator 17 MHz zuwa 23 MHz, ana iya daidaitawa akai-akai
Yankin sandar maganadisu Diamita: 100 mm; tazara: 20 mm
Girman siginar NMR (kololuwa zuwa kololuwa) > 2 V (H-nuclei); > 200 mV (F-nuclei)
Daidaito na filin maganadisu mafi kyau fiye da 8 ppm
Tsarin daidaitawa na filin lantarki Gauss 60
Adadin raƙuman coda > 15

 

 


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