![Thaum twg peb siv bis tris tetrakis? Thaum twg peb siv bis tris tetrakis?](https://i.tvmoviesgames.com/preview/questions/17903953-when-we-use-bis-tris-tetrakis-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Koj yuav siv bis-, tris-, thiab tetrakis- thaum lub ligand twb muaj prefixes zoo li di- thiab tri- hauv nws lub npe, lossis yog koj paub tseeb tias nws yog polydentate (xws li bidentate, tridentate, hexadentate lossis feem ntau yog dab tsi tshaj monodentate).
BIS Tris siv rau dab tsi?
Bis-Tris, tseem hu ua bis-Tris methane, yog zwitterionic buffering tus neeg sawv cev siv hauv biochemistry thiab molecular biology. Nws yog bis (2-hydroxyethyl) amine thiab Tris tsev neeg tsis muaj txiaj ntsig uas muaj txiaj ntsig zoo rau pH ntau ntawm 5.8 - 7.2. Bis Tris yog ib feem ntawm ntau lub tshuab tsis rau ntau hom electrophoresis.
Vim li cas BIS thiaj siv rau hauv nomenclature?
Lo lus Bis yog siv los qhia tias muaj ob qhov sib npaug tab sis sib cais pawg hauv ib lub molecule. … Lo lus bis yog siv rau lub npe kev sib koom ua ke uas muaj cov ligands nyuaj kom tsis txhob muaj qhov tsis meej. Lo lus Di yog siv rau lub npe kev sib koom ua ke uas muaj cov ligands yooj yim.
BIS siv nyob rau hauv nomenclature nyob qhov twg?
Bis siv thaum twg muaj pes tsawg pawg uas muaj lo lus 'di' hauv lawv lub npe nws tus kheej yog ob tus lej.
BIS Tris hauv chemistry yog dab tsi?
Bis-tris methane, tseem hu ua BIS-TRIS lossis BTM, yog tus neeg sawv cev tsis pub siv hauv biochemistry. Bis-tris methane yog cov organic tertiary amine nrog labile protons muaj pKa ntawm 6.46 ntawm 25 ° C. Nws yog qhov tsis zoo ntawm pH 5.8 thiab 7.2.
Pom zoo:
Peb siv qhov twg los ntsuas kev siv tau?
![Peb siv qhov twg los ntsuas kev siv tau? Peb siv qhov twg los ntsuas kev siv tau?](https://i.tvmoviesgames.com/preview/questions/17849537-where-we-use-usability-testing-j.webp)
Kev ntsuas kev siv tau ua ntej ib qho kev txiav txim siab tsim qauvtau ua pab peb txheeb xyuas cov neeg siv qhov mob tseem ceeb tshaj plaws. Los ntawm kev soj ntsuam seb cov neeg siv coj li cas, peb tuaj yeem nthuav tawm cov kev xav tau latent uas tib neeg tsis hais thaum sib tham lossis kev soj ntsuam.
Thaum twg peb siv imbroglio?
![Thaum twg peb siv imbroglio? Thaum twg peb siv imbroglio?](https://i.tvmoviesgames.com/preview/questions/17859207-when-we-use-imbroglio-j.webp)
Ib qho cuam tshuam thiab tsis meej pem; lub xeev tsis meej pem thiab teeb meem. (archaic) Ib tug tsis meej pem heap; ib tangle. (tsis tshua muaj) Ib tug tsis meej pem heap. Kev nkag siab tsis meej lossis tsis pom zoo. Kuv siv lo lus imbroglio li cas?
Thaum twg siv i.e. thiab thaum twg siv xws li?
![Thaum twg siv i.e. thiab thaum twg siv xws li? Thaum twg siv i.e. thiab thaum twg siv xws li?](https://i.tvmoviesgames.com/preview/questions/17892515-when-to-use-i-e-and-when-to-use-e-g-j.webp)
I.e. yog ib qho luv luv rau kab lus id est, uas txhais tau tias "uas yog." I.e. yog siv los rov hais dua ib yam dab tsi uas tau hais yav dhau los txhawm rau kom meej nws lub ntsiab lus. E.g. luv luv rau exempli gratia, uas txhais tau tias "
Peb puas yuav cia siab tias peb yuav tau txais kev txhawb nqa thib peb?
![Peb puas yuav cia siab tias peb yuav tau txais kev txhawb nqa thib peb? Peb puas yuav cia siab tias peb yuav tau txais kev txhawb nqa thib peb?](https://i.tvmoviesgames.com/preview/new-questions/17895756-should-we-be-expecting-a-third-stimulus-check.webp)
Teb: Ntau lab tus neeg Asmeskas twb tau txais lawv qhov kev ntsuas thib peb. Thiab IRS yuav xa tawm ntau dua ob peb lub lis piam tom ntej. Yog li, yog tias koj tseem tsis tau txais koj cov nyiaj them poob haujlwm (piv txwv tias koj tsim nyog tau txais kev them nyiaj), nws yuav tsum tuaj sai sai.
Thaum twg peb xav txog daim duab peb sab ua equiangular?
![Thaum twg peb xav txog daim duab peb sab ua equiangular? Thaum twg peb xav txog daim duab peb sab ua equiangular?](https://i.tvmoviesgames.com/preview/questions/17941979-when-do-we-consider-a-triangle-to-be-equiangular-j.webp)
Ib daim duab peb sab uas nws tag nrho peb sab thiab sab hauv cov ces kaum sib npaug yog hu ua daim duab peb sab equiangular. Rau ib daim duab peb sab kom sib npaug, qhov ntsuas ntawm tag nrho nws peb lub kaum sab hauv yuav tsum sib npaug li 60 degrees.