2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum lub teeb teeb hla dhau ntawm cov qauv xim, lub zog nrog ib lub wavelength tshwj xeeb yog absorbed los ntawm cov tshuaj ntsuam xyuas. Lub photometer txiav txim siab cov xim ntawm cov qauv los ntawm kev ntsuas qhov sib kis lossis nqus ntawm lub teeb ntawm qhov wavelength(hauv lwm lo lus, lub teeb monochromatic).
Yuav ua li cas yog 2 hom kev yees duab?
Qhov sib txawv photometry thiab meej photometryyog ob hom kev yees duab. Lub radiant flux, luminous flux, luminous siv thiab efficiency, thiab illuminance yog cov ntsiab lus siv nyob rau hauv photometric.
Photometer siv los ntsuas dab tsi?
Photometers, uas ntsuas kho qhov muag ci ntsa iab hauv ib qhov chaw pom, yog cov cuab yeej kho qhov muag yooj yim tshaj plaws rau ntsuas lub airglow. Cov ntawv thov photometer feem ntau suav nrog cov lim nqa nqaim, kom cais tawm ib qho kev tso tawm spectral.
Lub hauv paus ntsiab lus ntawm kev cuam tshuam photometry yog dab tsi?
In reflectance photometry, diffused light illuminates a reaction mix in a carrier, and the reflected light is measured. Xwb, tus cab kuj yog illuminated, thiab cov tshuaj tiv thaiv sib tov generates ib diffuse reflected lub teeb uas ntsuas.
Koj txhais li cas los ntawm kev yees duab?
: ib ceg ntawm kev tshawb fawb uas cuam tshuam nrog kev ntsuas qhov siv ntawm lub teebkuj: kev xyaum siv lub photometer.
Pom zoo:
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 lub hauv paus ntsiab lus ntawm wilsonianism?
Cov ntsiab cai uas feem ntau cuam tshuam nrog "Wilsonianism" suav nrog: Kev tsom mus rau kev txiav txim siab tus kheej ntawm tib neeg; thiab kev tawm tsam ntawm kev sib kis ntawm kev ywj pheej. Yuav ua li cas yog peb txoj hauv kev zoo sib xws ntawm Wilsonianism?
Ntawm yog lub ntsiab lus ntawm lub ntsiab lus ntawm lo lus devout?
nature. Dab tsi yog qhov denotative lub ntsiab lus ntawm lo lus devout? denotative lub ntsiab lus: Ib yam dab tsi kos npe los yog xa mus rau; ib lub ntsiab lus ntawm lub cim. teb: pious. Vim li cas Chaucer sau Lub Canterbury Tales hauv lus?
Lub hauv paus ntsiab lus ntawm polarimeter yog dab tsi?
Cov Ntsiab Cai ntawm Polarimetry Polarimetry ntsuas qhov kev sib hloov ntawm lub teeb polarized thaum nws dhau los ntawm cov kua dej optically. Kev ntsuas kev sib hloov tuaj yeem siv los xam tus nqi ntawm cov tshuaj concentration; tshwj xeeb tshaj yog cov khoom xws li qab zib, peptides thiab volatile roj.
Lub hauv paus ntsiab lus ntawm lactometer yog dab tsi?
Lactometer yog lub iav me me uas siv los ntsuas qhov purity ntawm cov mis nyuj. Nws ua haujlwm ntawm lub hauv paus ntsiab lus ntawm tshwj xeeb lub ntiajteb txawj nqus ntawm mis nyuj (Archimede's Principle). Nws ntsuas qhov txheeb ze ntawm cov mis nyuj nrog rau dej.
