2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
cheeb tsam ntu ntu yog thaj tsam ntawm ob sab duabuas tau txais thaum cov khoom peb-seem - xws li lub tog raj kheej - yog hlais perpendicular rau qee qhov teev. axis ntawm ib qho chaw. Piv txwv li, ntu ntu ntawm lub tog raj kheej - thaum hlais mus rau nws lub hauv paus - yog lub voj voog.
Puas yog thaj chaw hla hla tib yam li lub vojvoog?
Yog li txhua yam koj yuav tsum paub, txhawm rau xam qhov chaw hla ntu, yog nws lub vojvoog. Lub square ntawm lub vojvoog, muab faib ua π, yuav tsum muab koj tus nqi ntawm qhov chaw hla. Chav tsev ntawm ntu ntu ntu yuav nyob ntawm qhov ntev chav siv rau kev ntsuas lub vojvoog.
thaj chaw hla ntawm lub cev yog dab tsi?
Nyob rau hauv cov leeg nqaij physiology, physiological cross-sectional cheeb tsam (PCSA) yog thaj tsam ntawm tus ntoo khaub lig seem ntawm cov leeg perpendicular rau nws cov fibers, feem ntau ntawm nws qhov loj tshaj plaws. Nws feem ntau yog siv los piav qhia txog kev cog lus ntawm cov nqaij leeg pennate.
Cov hlab ntsha twg muaj thaj tsam loj tshaj plaws?
Raws li thaj tsam ntawm ntu ntu nce, qhov nrawm qis dua. Cov hlab ntsha thiab cov hlab ntsha muaj qhov chaw me me thiab qhov siab tshaj plaws, qhovcapillaries muaj thaj tsam hla feem ntau thiab qis tshaj tshaj plaws. Lub vasculature kuj muab kev tiv thaiv.
Vim li cas capillaries muaj thaj tsam loj tshaj plaws?
Tag nrho cov ntu ntu ntu ntawm cov hlab ntsha yog qhovloj tshaj; yog vim li no cov ntshav tshaj tawm qeeb tshaj plaws los ntawm cov hlab ntsha(qhov no yog qhov tseem ceeb heev vim qhov no yog qhov chaw sib pauv khoom noj khoom haus thiab koj xav kom ntshav qeeb kom tso cai hloov pauv tsis yog maj dhau los).
Pom zoo:
Cheeb tsam nyob rau hauv lej nyob qhov twg?
Thaj chaw yog qhov chaw nyob hauv ib puag ncig ntawm 2D duab. Nws yog ntsuas nyob rau hauv square units, xws li cm², m², thiab lwm yam. Yuav kom nrhiav tau lub cheeb tsam ntawm ib tug quadrilateral, koj yuav tsum muab qhov ntev ntawm qhov dav.
Cheeb tsam k ntawm Northampton general tsev kho mob nyob qhov twg?
Lub Tsev Kho Mob Sab Nraud yog nyob rau thaj tsam K. Los ntawm sab nraum qhov nkag sab qab teb, mus rau txoj kev taug kev ntawm txoj kev hauv nroog mus rau thaj tsam K. Tsab ntawv K yuav ua kom pom tseeb nyob rau sab ntawm lub tsev thaum koj mus txog nws.
Qhov kev tawm tsam tawm tsam nyob qhov twg?
Nws yooj yim heev los ntxiv thiab tshem tawm kev tawm tsam rau cov lus hauv kev sau email. Kauj ruam 1: Xaiv cov ntawv koj yuav ntxiv kev sib tw rau hauv Message window. Kauj Ruam 2: Nias lub pob Strikethrough hauv pawg Font ntawm Cov Ntawv Cim Tab.
Qhov twg yog qhov kev txiav txim siab rau kev tsis lees paub thiab rau kev ua kom muaj kev tawm tsam ntawm kev tawm tsam?
Kev qhuab ntuas tau siv los ntawm cov thawj coj loj hauv cov tub rog Romanrau txim rau cov koom haum lossis pab pawg loj ua txhaum cai, xws li kev ua phem, kev tawm tsam, kev tawm tsam, thiab kev tsis ncaj ncees, thiab rau lub pacification ntawm rebellious legions.
Puas yog cov hla hla hla hla hla hla hla tebchaws?
Ib qho hla hla (hu ua kev hla hla lossis hla hla hauv tebchaws Askiv thiab qee lub tebchaws Tebchaws Meskas) yog tus choj, txoj kev, tsheb ciav hlau lossis cov qauv zoo sib xws uas hla hla lwm txoj kev lossis kev tsheb ciav hlau. Ib qho overpass thiab underpass ua ke ua ib qho kev sib cais.
