2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Viscoelasticity yog khoom ntawm cov khoom uas nthuav tawm ob qho tib si viscous thiab elasticity thaum tab tom deformation. Synthetic polymers, ntoo, thiab tib neeg cov ntaub so ntswg, nrog rau cov hlau ntawm qhov kub thiab txias, tso saib cov teebmeem viscoelastic tseem ceeb.
Cov khoom siv viscoelastic yog dab tsi?
Viscoelastic cov ntaub ntawv yog siv rau hauv tsheb bumpers, ntawm lub computer tsav los tiv thaiv cov neeg kho tshuab poob siab, hauv kaus mom hlau (cov npuas padding sab hauv), hauv wrestling lev, thiab lwm yam. Cov ntaub ntawv Viscoelastic yog kuj tseem siv rau hauv khau insoles los txo cov kev cuam tshuam kis mus rau tus neeg lub cev pob txha.
piv txwv viscoelasticity yog dab tsi?
Cov piv txwv ntawm cov ntaub ntawv viscoelastic yog spaghetti, shag (tam sim no), ib pawg ntawm cov kab cab txav los ntawm ib leeg thiab (tau kawg) polymers. Polymers yeej ib txwm viscoelastic vim lawv muaj tawm ntawm cov molecules ntev uas yuav entangled nrog lawv cov neeg zej zog.
YPuas viscoelasticity yog cov cuab yeej cuab tam?
2.2. 3 Viscoelasticity. Cov ntaub ntawv viscoelastic nthuav tawm cov khoom siv kho tshuab nruab nrab ntawm cov kua nplaum thiab cov khoom elastic. Cov ntaub ntawv Polymeric, thiab tshwj xeeb tshaj yog cov thermoplastic, yog cov ntaub ntawv viscoelastic.
Cov khoom ntawm viscoelastic yog dab tsi?
Muaj peb yam tseem ceeb ntawm cov ntaub ntawv viscoelastic: creep, kev ntxhov siab, thiabhysteresis. Qhov tshwm sim creep yog siv los piav txog qhov txuas ntxiv deformation ntawm cov khoom siv viscoelastic tom qab lub load tau mus txog lub xeev tas li (Fig. 5.4A).
Pom zoo:
Kab lus nrog lo lus dab tsi yog dab tsi?
Lore kab lus piv txwv. -Npauj npaim yog ib yam tsiaj zoo ntawm cov dab neeg thaum ub thiab kev lig kev cai. Nws obtrudes nws tus kheej hauv kev kos duab zoo nkauj, kev coj cwj pwm, kev cai lij choj, kev ntseeg thiab kev ntseeg. Yuav ua li cas piv txwv ntawm lore?
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog tus bestiary hauv dab dab dab?
Wiki Targeted (Kev Ua Si) Beasts yog cov lus hu uas muab Metropolitan Era monsters txhawb nqa rau stats nrog rau cov txiaj ntsig hauv kev sib ntaus sib tua. Tus Bestiary tuaj yeem kho tau ntawm qib 18, qhov twg cov neeg ua si tuaj yeem qhib thiab nce qib Beasts los txhim kho lawv lub zog thiab cov teebmeem.
Dab tsi yog kev xav ntawm autonomists dab tsi yog qhov kev xav ntawm kev zoo nkauj ntawm kev coj ncaj ncees?
Kev lig kev cai, muaj ob txoj haujlwm tawm tsam kev xav txog kev coj ua raws li kev cai lij choj ntawm kev ntsuas kev ncaj ncees ntawm kev kos duab: 'kev coj ncaj ncees kev ncaj ncees Ethics lossis kev coj ncaj ncees yog ib ceg ntawm kev xav uas "
Puas yog cov dab dab dab dab dab dab tau them?
OHL cov neeg ua si tsis tau nyiaj hli, vim lawv tsis raug lees paub tias yog cov neeg ua haujlwm raws li Txoj Cai Kev Ua Haujlwm. Txawm li cas los xij, lawv suav nrog cov txiaj ntsig xws li nyiaj rov qab txhua xyoo, tag nrho cov nqi kawm ntawv them, thiab daim pib pub dawb.
