2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub enthalpy ntawm adsorption yog tsawg thiab tsis zoo nyob rau hauv polarity. Tus nqi sib txawv ntawm -20 txog -40 kJ / mol. Los ntawm cov nqe lus saum toj no, peb tuaj yeem xaus tias cov lus tsis raug los ntawm cov kev xaiv muab yog enthalpy ntawm adsorption yog qis thiab zoo. Yog li, lo lus teb raug yog kev xaiv (D).
Qhov twg ntawm cov khoom hauv qab no yog physisorption?
adsorbent yuav twv yuav raug nyiam ib yam li nws yuav nyiam lwm hom thiab. Li no, nws tsis xav tau ib qho tshwj xeeb lossis tshwj xeeb lossis cov molecule lossis roj. nws yuav adsorb dab tsi. Physisorption yog vim tsis muaj zog vander waals rogwhereas, chemisorption yog vim muaj tshuaj lom neeg muaj zog.
Yuav ua li cas hauv qab no tsis haum rau physisorption?
Lub cev adsorption tshwm sim ntawm qhov kub thiab txias heev. Nrog nce nyob rau hauv kub physisorption txo. Yog li ntawd, ntawm lawv kubtsis yog qhov zoo rau lub cev adsorption. Li no, qhov kev xaiv raug yog D.
Yuav ua li cas yog ib qho ntawm cov hauv qab no tsis ncaj ncees lawm ntawm lub cev adsorption?
Lub cev adsorption yog vim van der Waals rog uas tsis muaj zog quab yuam, li no hom adsorption yog thim rov qab thiab tsis rov qab los. Tag nrho lwm cov nqe lus muaj tseeb.
piv txwv ntawm physisorption yog dab tsi?
Ib qho piv txwv ntawm physisorption yog qhov adsorption ntawm cov pa roj xws li hydrogen, nitrogen thiab lwm yam ntawm qhov kub thiab txias ntawm qhov chaw.adsorbent zoo li charcoal. Physisorption nyob ntawm thaj tsam ntawm qhov adsorbent. Raws li thaj chaw saum npoo nce, qhov adsorption kuj nce.
Pom zoo:
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Nyob rau hauv qhov twg ntawm cov xwm txheej hauv qab no thaum kawg thaiv raug tua?
kawg thaiv yog ib txwm ua tom qab tawm hauv cov lus sim. Nyob rau hauv cov ntaub ntawv yog hais tias ib co kev zam tsis tau daws los ntawm tsuas yog thaiv, nws yog rov tsa tom qab ua tiav ntawm thaum kawg thaiv. thaum kawg thaiv yog siv los deallocate cov kev pab cuam.
Qhov twg hauv qab no yog qhov piv txwv ntawm qhov tsis suav nrog cov lej tsis suav nrog?
Pi is a non-terminating, non-repeating decimal. π=3.141 592 653 589 793 238 462 643 383 279 … e is a non-terminating, non-repeating decimal. Ib qho piv txwv ntawm tus lej tsis suav nrog yog dab tsi? Piv txwv: 0.5, 2.456, 123.456, thiab lwm yam.
Qhov twg hauv qab no tsis raug rau cov ntawv thov sib piv?
Qhov twg hauv qab no tsis raug rau pneumatic sib piv? Kev piav qhia: Hauv kev sib piv pneumatic, muaj tsis muaj kev sib cuag nrog lub cev nrog qhov ntsuas ntsuas lossis qhov ntsuas. Vim li no, tsis muaj qhov poob ntawm qhov tseeb vim qhov ntsuas ntsuas.
Qhov twg hauv qab no tsis tuaj yeem nce mus rau hauv lub tshuab hloov pauv?
Thaum ib qhov d.c voltage siv hla lub hauv paus ntawm lub transformer, tam sim no nyob rau hauv thawj kauj tseem nyob tas li. Li no tsis muaj kev hloov pauv hauv cov hlau nplaum sib nqus txuas nrog qhov thib ob. … Yog li lub transformer tsis tuaj yeem nce qib dc voltage.
