Cov txheej txheem:
- Puas yog kev nyuaj rau kev ua tsis tiav ib yam li kev elongation?
- Kev sib raug zoo ntawm kev lim dej thiab qhov feem pua elongation yog dab tsi?
- Yuav ua li cas thiaj nrhiav tau txoj kev elongation?
- Txoj kev elongation yog dab tsi?
- Ib qho Taw Qhia rau Kev Nyuaj Siab thiab Kev Nyuaj Siab
2024 Tus sau: Simon Evans | [email protected]. Kawg hloov kho: 2024-01-13 03:51
Xav txog lub hnab roj hmab: koj rub nws, thiab nws tau ntev - nws ncab. Deformation yog ib qho kev ntsuas ntawm ntau npaum li cas ib yam khoom yog stretched, thiab strain yog qhov piv ntawm qhov deformation thiab qhov qub ntevXav txog strain li feem pua elongation - ntau npaum li cas loj (lossis me dua) yog qhov khoom thaum thauj nws.
Puas yog kev nyuaj rau kev ua tsis tiav ib yam li kev elongation?
Qhov elongation yog xam raws li tus txheeb ze nce nyob rau hauv ntev. Elongation ntawm Break yog ntsuas hauv % (% ntawm elongation vs. thawj qhov loj me thaum tawg tshwm sim). Lub siab tshaj plaws elongation i.e. thaum so, emax kuj hu ua "kev nyuaj siab rau kev ua tsis tiav ".
Kev sib raug zoo ntawm kev lim dej thiab qhov feem pua elongation yog dab tsi?
raws li koj tau hais, feem pua elongation=hloov qhov ntev100 / thawj qhov ntev. strain=hloov ntev / thawj qhov ntev.
Yuav ua li cas thiaj nrhiav tau txoj kev elongation?
Nws tau txais los ntawm kev faib cov khoom thauj los ntawm thaj chaw qub ntawm ntu ntu ntawm cov qauvCov kab mob siv rau engineering kev ntxhov siab-txoj kab nkhaus yog qhov nruab nrab kab tawm, uas yog tau los ntawm kev faib lub elongation ntawm lub gage ntev ntawm tus qauv, d, los ntawm nws thawj ntev.
Txoj kev elongation yog dab tsi?
2 Elongation ntawm so (%) Elongation ntawm kev tawg, tseem hu ua pob txha strain, yog qhov piv ntawm qhov hloov ntev thiab qhov ntev pib tom qab tawg ntawm qhov kuaj kuaj Nws qhia txog qhov muaj peev xwm ntawm cov nroj tsuag fiber ntau los tiv thaiv kev hloov ntawm cov duab yam tsis muaj kev tawg.
Pom zoo:
Puas yog kev zoo siab thiab kev zoo siab yog tib yam?
Rau kuv, kev zoo siab yog ib yam uas yog luv luv uas tuaj yeem ploj mus thawj zaug kev sib tw tau ntsib. Kev txaus siab, ntawm qhov tod tes, yog hais txog kev muaj lub zog, tsav tsheb thiab lub zog ua kom muaj zog ua ntej thiab ua txhua yam nws yuav siv los ua haujlwm, txawm tias thaum ntsib kev nyuaj siab tshaj plaws .
Puas yog daim ntawv txuas ntxiv thiab cov ntawv ntxiv yog tib yam?
Ib daim ntawv ntxiv muaj cov ntaub ntawv uas tsis tuaj yeem muab tso rau hauv cov ntaub ntawv tseem ceeb thiab muaj cov ntaub ntawv pov thawj hauv cov ntawv luam lossis cov ntaub ntawv. Ib qho ntxiv, ntawm qhov tod tes, yog feem ntau yog ib daim ntawv nyob ib leeg uas muaj cov ntaub ntawv ntxiv tshaj li muajhauv cov ntaub ntawv tseem ceeb .
Puas yog kev sib tw thiab kev ua si nawv yog tib yam?
Raws li lub npe qhov txawv ntawm gymnastics thiab contortion yog tias gymnasticsyog kev ua kis las uas cuam tshuam nrog kev ua tau zoo ntawm cov kab ke ntawm kev txav uas xav tau lub cev muaj zog, yoog raws, thiab kev paub kinesthetic thaum contortion yog qhov ua.
Puas yog milliliters thiab cc yog tib yam?
Qhov txawv ntawm qhov cubic centimeter (cc) thiab milliliter (mL) yog dab tsi? Cov no yog tib qhov kev ntsuas; tsis muaj qhov sib txawv ntawm qhov ntim. Qhov sib txawv tseem ceeb yog cov milliliters siv rau cov kua dej thaum cubic centimeters yog siv rau cov khib nyiab.
Kev ua qhev thiab kev lag luam tib neeg puas yog tib yam?
Kev lag luam tib neeg yog kev ua cev qhev niaj hnub no Nws yog ib hom kev ua haujlwm hnyav uas cov poj niam, txiv neej thiab menyuam raug xaiv lossis tau txais thiab raug yuam ua haujlwm tawm tsam lawv lub siab nyiam dhau los quab yuam, dag lossis quab yuam.