Vim li cas xylene siv hauv staining?

Cov txheej txheem:

Vim li cas xylene siv hauv staining?
Vim li cas xylene siv hauv staining?
Anonim

Y Nyob rau hauv histology, xylene yog siv los ua cov ntaub so ntswg. … Yog vim li cas xylene ua haujlwm zoo heev rau kev ua cov ntaub so ntswg yog qhov

nws ua rau cov ntaub so ntswg pob tshab kom cov paraffin tuaj yeem ntim cov ntaub so ntswg tag. Thiab thaum npaj slides rau microscopy, xylene tuaj yeem tshem tawm cov khoom seem ntawm cov swb.

YXylene lub hom phiaj yog dab tsi?

Nws yog siv los ua cov kuab tshuaj (ib cov kua uas tuaj yeem yaj lwm yam tshuaj) hauv kev lag luam luam ntawv, roj hmab, thiab tawv. Nrog rau lwm cov kuab tshuaj, xylene kuj tau siv dav los ua tus neeg saib xyuas, cov xim nyias nyias, thiab hauv cov kua roj vanish.

Vim li cas xylene yog tus neeg sawv cev?

Xylene yog cov tshuaj uas nquag siv hauv lub chaw kuaj mob histology ua tus neeg ua haujlwm tshem tawm. Clearing agents yog siv los ua kom cov slides yooj yim nyeem, los ntawm kev ua cov ntaub so ntswg pob tshab, los yog ntshiab. Kev tshem tawm yog ib kauj ruam uas tshwm sim thaum ua cov ntaub so ntswg, tom qab dej tau raug tshem tawm ntawm cov ntaub so ntswg.

YXylene siv rau hauv histology yog dab tsi?

YNyob rau hauv histology, xylene yog siv dav tshaj plaws

clearing agent. Xylene yog siv los tshem tawm paraffin los ntawm cov tshuab ziab khaub ncaws qhuav ua ntej staining. Tom qab staining, microscope slides muab tso rau hauv xylene ua ntej mounting nrog ib tug cover.

Vim li cas peb thiaj siv xylene hauv immunohistochemistry?

Raws li cov pob tshab reagent feem ntau siv, xylene yog miscible nrog ethanol thiab acetone, thiab nws ua raws li tus neeg sawv cev fusing rauparaffin siv quav ciab. Txij li xylene muaj qhov ntev thiab nrawm nrawm rau cov ntaub so ntswg, cov ntaub so ntswg yuav tsum tsis txhob muab tso rau hauv lub sijhawm ntev lossis nws yuav dhau nkig thiab tawv dhau.

Pom zoo:

Vim li cas cov khoom siv dielectric siv hauv capacitor?

Vim li cas cov khoom siv dielectric siv hauv capacitor?

Ib qho khoom siv dielectric yog siv los cais cov paib hluav taws xob ntawm lub capacitor. Cov khoom siv insulating no tseem ceeb txiav txim siab txog cov khoom ntawm cov khoom. Lub dielectric qhov tsis tu ncua ntawm cov khoom txiav txim siab npaum li cas ntawm lub zog uas lub capacitor tuaj yeem khaws cia thaum siv hluav taws xob.

Vim li cas xylene (dimethylbenzene) siv rau hauv cov tshuaj tiv thaiv diels-alder?

Vim li cas xylene (dimethylbenzene) siv rau hauv cov tshuaj tiv thaiv diels-alder?

Xylene (dimethylbenzene) yog siv ua cov kuab tshuaj kub kub kom cov tshuaj tiv thaiv ua haujlwm sai txaus kom ua tiav yooj yim.. YVim li cas xylene siv los ua cov kuab tshuaj hauv cov tshuaj tiv thaiv benzene lossis toluene? Xylene muaj cov tshuaj lom neeg tsawg rau tib neeg thaum piv nrog cov kuab tshuaj xws li benzene.

Vim li cas cov alloys siv hauv cov khoom siv hluav taws xob cua sov?

Vim li cas cov alloys siv hauv cov khoom siv hluav taws xob cua sov?

Raws li peb paub alloys muaj siab resistivity thiab siab melting point piv rau cov hlau ntshiab. Yog li cov hlau tsis tuaj yeem yooj yim hlawv lossis oxidize ntawm qhov kub siab dua. Tam sim no raws li peb xav kom kub siab dua hauv cov khoom siv cua sov yog li peb siv cov alloys hauv cov khoom siv cua sov.

Vim li cas xylene siv hauv diels alder tshuaj tiv thaiv?

Vim li cas xylene siv hauv diels alder tshuaj tiv thaiv?

Xylene (dimethylbenzene) yog siv ua cov kuab tshuaj kub npau npau komcov tshuaj tiv thaiv yuav ua haujlwm sai txaus kom ua tiav yooj yim.. YVim li cas xylene siv los ua cov kuab tshuaj hauv cov tshuaj tiv thaiv benzene lossis toluene?

Vim li cas cov phiaj xwm tseem ceeb siv rau hauv kev siv nyiaj txiag thiab kev kwv yees?

Vim li cas cov phiaj xwm tseem ceeb siv rau hauv kev siv nyiaj txiag thiab kev kwv yees?

Lub Rooj Milestones yog ib qho tseem ceeb tshaj plaws hauv koj txoj kev npaj ua lag luam. Nws teeb txoj kev npaj rau hauv cov tswv yim, cov ntsiab lus tseem ceeb, nrog cov peev txheej tiag, hnub kawg, thiab kev tswj xyuas lub luag haujlwm. Nws pab koj ua kom pom tseeb thaum koj tab tom sau koj txoj kev npaj ua lag luam, thiab tom qab ntawd, cov lus Milestones thiab cov phiaj xwm-vs.