2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub hydrolysis ntawm urea tshwm sim hauv ob theem. Hauv thawj theem, ammonia thiab carbamate yog tsim. Carbamate spontaneously thiab sai hydrolyzes rau ammonia thiab carbonic acid. Kev ua urease nce pH ntawm nws ib puag ncig raws li ammonia tsim, uas yog qhov yooj yim.
Vim li cas urease nce pH?
Urease hauv peptic ulcers
Hauv plab muaj qhov nce hauv pH ntawm cov mucosal hauv ob sab phlu vim los ntawm urea hydrolysis, uas tiv thaiv kev txav ntawm hydrogen ions nruab nrab ntawm lub plab thiab lub plab lumen.
Puas urease txo pH?
Tus pH profile ntawm urease hauv cov kab mob tsis zoo, sib piv rau qhov dawb lossis urease saum npoo, qhia tau tias muaj kev ua haujlwm me me ntawm pH. Txawm li cas los xij, nrog nce acidity, kev ua haujlwm urease nce ntawm 10- thiab 20-fold raws li pH poob ntawm 6.0 txog 5.0, thiab tom qab ntawd tseem nyob ruaj khov mus rau pH 2.5 (10, 11).
YPH ntawm urease yog dab tsi?
Urease cov dej num tseem nyob tas li mus rau pH nruab nrab ntawm 2.5 thiab 3.0 thiab kuaj pom txawm tias pH ntawm 2.0.
H. pylori nce pH li cas?
Cov kab mob ua rau plab hnyuv Helicobacter pylori yog tib yam kab mob uas paub tias ua rau cov kab mob hnyav acidic ntawm tib neeg lub plab. H. pylori ciaj sia nyob rau hauv acidic tej yam kev mob los ntawm producing urease, uas catalyzes hydrolysis ntawm urea kom yield ammonia li elevating lub pH ntawm nws ib puag ncig.
Pom zoo:
Puas tau nce lossis nce siab?
ib nce toj; kev nce toj nce toj: Nws yog qhov ntev nce mus rau saum toj. qhov chaw nce toj: Lub ncov ntawd yog qhov nce siab heev. nce toj, … kom thim rov qab, raws li kev xav lossis txoj haujlwm tsis muaj zog: Nws raug yuam kom nce los ntawm nws txoj haujlwm tsis tuaj yeem.
Tau nce lossis tau nce?
I tau ncetxhais tau tias koj tab tom hais txog qhov koj tau txais los txog niaj hnub no. Kuv tau txais yog hais txog qhov kev paub uas koj tau txais yav dhau los. Tsis tshua muaj neeg yuav xav tias koj tsis tau txais kev paub, tsis ntev los no, yog tias koj hais tias kuv tau txais.
Lub sijhawm nce siab nce lub zog nqa yog?
nyob rau hauv kev nce siab, yog tag nrho upwards ntsug quab yuam los ntawm txhua qhov chaw (tis, tail, engines, fuselage) loj dua, lossis sib npaug ntawm qhov hnyav ntawm lub dav hlau. Nyob rau hauv ib tug ruaj khov nce, net ntsug quab yuam yuav tsum yog xoom, yog li net ntsug aerodynamic quab yuam yuav tsum sib npaug rau qhov hnyav.
Hnub nce nce mus txog hnub twg?
Hnub Ascension kev ua koob tsheej muaj xws li txheej txheem qhia txog Tswv Yexus txoj kev nkag mus rau saum ntuj ceeb tsheejthiab, hauv qee lub tebchaws, caum "dab ntxwg nyoog" hla txoj kev thiab dunking nws hauv lub pas dej lossis hlawv nws hauv effigy.
Puas yog txoj kev taug kev nce mus nce mus rau parish dej qhib?
NO YOG IB TUG TSEEM CEEB NTAWM: Ascension Parish OHSEP: Raws li ntawm tag kis no tag nrho Ascension Parish waterways tseem qhib rau kev ua si hauv nkoj tab sis qeeb qeeb. Cov neeg caij nkoj tau hais kom ceev faj thiab… Pab pawg ntseeg twg yog Ascension Parish muaj?
