(polymer polymerization gudun ganowa) Pulse MRI analyzer

(polymer polymerization gudun ganowa) Pulse MRI analyzertushenLow filin pulse MRI fasahar, shi ne mai ƙarfi mara lalacewa bincike ganowa kayan aiki. An yi amfani da su sosai a fannoni ciki har da abinci, aikin gona, kayan aiki, masana'antu ingancin gwaji da ingancin kula, makamashi, magunguna da sauransu, masana'antu ingancin kula da kuma jami'a bincike dakunan gwaje-gwaje suna da pulse nuclear magnetic analyzer.

Low filinPulse magnetic resonance mai bincikeAyyuka masu sauƙi, kayan aiki suna buƙatar horo mai sauƙi kuma suna dacewa da aikace-aikacen masana'antu na kan layi. An yi amfani da shi sosai a cikin masana'antu da cibiyoyin bincike daban-daban a cikin kula da ingancin yau da kullun da kuma binciken tsari.

Polymer yana da aikace-aikace masu yawa, daban-daban na halayensa na zahiri da sunadarai suna sa ya dace da yankuna daban-daban. Masana'antun na iya tsara kayayyaki tare da halaye masu dacewa bisa ga buƙatu. Kuma yadda za a inganta yanayin polymerization amsa don samun inganci da high samarwaKayayyakin polymer suna da matukar damuwa ga masana'antu. Manyan kwayoyin polymers ne maimaitawa da ƙananan sauki kwayoyin (monomers)Yana da matukar muhimmanci a auna saurin polymerization ko canji na monomer zuwa polymer a tsawon lokaci.

T2 shakatawa da sauri da hankali zai iya kimanta yanayin motsi na kwayoyin halitta ko sarkar, daidai da polymer polymerization tsariT2lokacin shakatawaZa a rage tare da karuwar tsawon sarkar kwayoyin halitta, yayin da free monomerT2lokacin shakatawaLong, za a iya ginaT2Daidaitaccen lokacin shakatawa da saurin haɗuwa yana nazarin saurin haɗuwa da tsarin canzawa.

(polymer polymerization gudun ganowa) tushe sigogi na pulse MRI analyzer:

1, Magnetic filin ƙarfi: 0.5 ± 0.05T
2, bincike da kaufa: Ø25mm;

Low filin pulse magnetic resonance tushe ka'idodin:

Bayan samfurin ya shiga cikin maganadisu, hydrogen nucleus a cikin samfurin zai magnetize, samar da net magnetization karfi daidai da magnetic filin. Amfani da samfurin bugun jini na RF zai sha makamashin RF, bayan amfani da RF za a iya lura da juyin halin juyin jiki na nukiliya daga yanayin motsawa zuwa daidaito, makamashi zuwaFID ('Yancin Sensory Rage)An saki siginar a cikin nau'i na raguwa.

FIDAmplitude na farko daidai da adadin hydrogen nuclei a cikin samfurin.FIDManyan dalilan lalacewa suna biyu:

1Irregularity na magnetic filin

2hulɗa tsakanin hydrogen nukiliya (juyawa)-juyawa shakatawa), da lokaci constantT2sarrafawa.

Za a iya wuceCPMGJerin kawar da tasirin magnetic field rashin daidaito, wanda ya ƙunshi jerin bugun jini, kowane bugun jini sake mayar da hankali kan raguwar siginar saboda magnetic rashin daidaito. Siginar ta ƙunshi jerin siginar da aka sake mayar da hankali, wanda ake kira "spin echo" siginar, tare da mafi girman girman kowane siginar kadan ƙasa da na baya. Rage na echo amplitude gaba daya danganta da juyawa juyawa shakatawa.