Kodi Different Bright Field ndi Dark Field Microscopy ndi chiyani?

Njira yowunikira kumunda yowala komanso njira yowonera kumunda wamdima ndi njira ziwiri zodziwika bwino zama microscope, zomwe zimakhala ndi ntchito zosiyanasiyana komanso zopindulitsa mumitundu yosiyanasiyana yowonera zitsanzo. Zotsatirazi ndikulongosola mwatsatanetsatane njira ziwiri zowonera.

Njira Yowunikira Kumunda:

Njira yowunikira kumunda ndi imodzi mwamakina ofunikira kwambiri komanso omwe amagwiritsidwa ntchito kwambiri ndi ma microscopy. Poyang'ana m'munda wowala, chitsanzocho chimawunikiridwa ndi kuwala kofalitsidwa, ndipo chithunzicho chimapangidwa potengera mphamvu ya kuwala kofalitsidwa. Njirayi ndi yoyenera pazamoyo zambiri zomwe zimachitika nthawi zonse, monga timinofu tambirimbiri kapena ma cell.

Ubwino:

Zosavuta kugwiritsa ntchito komanso zogwiritsidwa ntchito pamitundu yambiri yazachilengedwe komanso yachilengedwe.

Amapereka chithunzithunzi chomveka bwino cha kapangidwe kazinthu zachilengedwe.

Zoyipa:

Sikoyenera kwa zitsanzo zowonekera komanso zopanda mtundu, chifukwa nthawi zambiri zimakhala zopanda kusiyana, zomwe zimapangitsa kuti zikhale zovuta kupeza zithunzi zomveka bwino.

Sitinathe kuwulula zamkati mwamaselo.

Njira Yowonera Kumunda Wamdima:

Kuwunika kwa malo amdima kumagwiritsa ntchito kuyatsa kwapadera kuti apange maziko akuda mozungulira chitsanzo. Izi zimapangitsa kuti chitsanzocho chimwazike kapena chiwonetsere kuwala, zomwe zimapangitsa kuti chithunzicho chikhale chowala kumbuyo kwakuda. Njirayi ndiyoyenera makamaka kwa zitsanzo zowonekera komanso zopanda mtundu, chifukwa zimakulitsa m'mphepete mwachitsanzocho, potero zikuwonjezera kusiyana.

Chowonjezera chapadera chofunikira pakuwonera kumunda wamdima ndi cholumikizira chamdima. Zimadziwika ndi kusalola kuti kuwala kupitirire chinthucho pansi poyang'anitsitsa, koma kusintha njira ya kuwala kotero kuti ilowerere ku chinthu chomwe chikuyang'aniridwa, kotero kuti kuwala kowunikira sikulowetse mwachindunji lens cholinga. ndipo chithunzi chowala chomwe chimapangidwa ndi kuwala kapena kuwala kosokoneza pamwamba pa chinthu chomwe chikuyang'aniridwa chimagwiritsidwa ntchito. Kusamvana kwa kuyang'ana kumunda wamdima ndikokwera kwambiri kuposa kuyang'ana kowala, mpaka 0.02-0.004μm.

Ubwino:

Imagwira ntchito poyang'ana zitsanzo zowonekera komanso zopanda mtundu, monga ma cell amoyo.

Imakulitsa m'mphepete ndi mapangidwe abwino achitsanzo, motero amawonjezera kusiyanitsa.

Zoyipa:

Pamafunika khwekhwe zovuta kwambiri ndi zida zenizeni.

Kumaphatikizapo kusintha kayimidwe kachitsanzo ndi gwero la kuwala kuti mupeze zotsatira zabwino kwambiri.


Nthawi yotumiza: Aug-24-2023