LADP-1A Sistemụ Nnwale nke CW NMR – Ihe Nlereanya Di elu egosipụtara

LADP-1A Sistemụ nnwale nke CW NMR – Nlereanya dị elu

Nkọwa dị mkpirikpi:

Resonance magnetik (NMR) bụ ụdị mgbanwe mgbanwe resonance na-ebute site na ebili mmiri elektrọnịkị n'ime oghere ndọta mgbe niile. Ebe ọ bụ na e mere ọmụmụ ihe ndị a na 1946, a na-emepụta usoro na usoro nke resonance nuklia (NMR) ngwa ngwa ma jiri ya mee ihe n'ihi na ha nwere ike ịbanye n'ime ihe ahụ n'emebighị ihe nlele ahụ, ma nwee uru nke ngwa ngwa, izi ezi na mkpebi dị elu. N'oge a, ha abanyela na physics ruo kemistri, bayoloji, geology, ọgwụgwọ ahụike, akụrụngwa na ọzụzụ ndị ọzọ, na-ekere òkè dị ukwuu na nyocha na mmepụta sayensị.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Nkọwa

Akụkụ nhọrọ: mita ugboro, akụkụ oscilloscope kwadoro onwe ya

Usoro nnwale a nke na-aga n'ihu na-efegharị ikuku magnetik resonance (CW-NMR) nwere ndọta homogeneity dị elu yana otu igwe igwe. A na-eji ndọta na-adịgide adịgide na-enye oghere magnetik bụ isi nke oghere electromagnetic nwere ike ịgbanwe, nke otu ụzọ igwe na-emepụta, iji kwe ka mgbanwe dị mma na mkpokọta magnetik na iji kwụọ ụgwọ mgbanwe ikuku magnetik kpatara mgbanwe okpomọkụ.

N'ihi na ọ bụ naanị obere magnetizing ugbu a ka achọrọ maka oghere elektrọn dị ala, a na-ebelata nsogbu kpo oku nke sistem. Ya mere, usoro ahụ nwere ike ịrụ ọrụ na-aga n'ihu ruo ọtụtụ awa. Ọ bụ ezigbo nnwale maka ụlọ nyocha physics dị elu.

Nnwale

1. Ileba anya n'ihe gbasara resonance magnetik (NMR) nke hydrogen nuclei na mmiri ma tụnyere mmetụta nke ion paramagnetic;

2. Iji tụọ oke nke hydrogen nuclei na fluorine nuclei, dị ka spin magnet ratio, Lande g factor, wdg.

Nkọwapụta

Nkọwa	Nkọwapụta
Nucleus tụrụ atụ	H na F
SNR	> 46 dB (H-nuclei)
Ugboro oscillator	17 MHz ruo 23 MHz, na-agbanwe agbanwe
Mpaghara nke ogwe ndọta	Dayameta: 100 mm; oghere: 20 mm
Njupụta mgbama NMR (elu ruo elu)	> 2 V (H-nuclei); > 200mV (F-nuclei)
Homogeneity nke magnetik	kacha mma karịa 8 ppm
Ndozi nso nke oghere electromagnetic	60 Gauss
Ọnụọgụ ebili mmiri coda	> 15