2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib oscilloscope yog ib qho cuab yeej uas nraaj qhia hluav taws xob cov teeb liab thiab qhia tias cov teeb liab hloov li cas nyob rau lub sijhawm. Cov kws tsim khoom siv oscilloscopes los ntsuas qhov tshwm sim hluav taws xob thiab ntsuas sai, txheeb xyuas, thiab ntsuas lawv cov qauv tsim hluav taws xob. Lub luag haujlwm tseem ceeb ntawm oscilloscope yog ntsuas qhov hluav taws xob tsis muaj zog.
Dab tsi yog oscilloscope siv los ntsuas?
Ib oscilloscope ntsuas voltage waves. … Ib tug waveform yog ib daim duab sawv cev ntawm ib nthwv dej. Ib qhov hluav taws xob waveform qhia lub sij hawm ntawm kab rov tav axis thiab voltage ntawm lub ntsug axis.
Koj puas xav tau oscilloscope?
Tseeb, lub luag haujlwm tseem ceeb ntawm oscilloscope yog ntsuas hluav taws xob waveforms. Tab sis nws kuj tseem zoo nkauj darn pab tau rau kev ntsuas feem ntau qhov voltage tsis tu ncua thiab. … Nws tseem tuaj yeem ua qhov feem ntau multimeters tsis tuaj yeem: txheeb xyuas qhov hloov pauv me me hauv cov khoom siv hluav taws xob.
Puas oscilloscope yog ib qho cuab yeej kaw?
Ob hom qauv ntawm cov cuab yeej siv feem ntau yog electromagnetic oscillograph thiab cathode-ray oscillograph; lub tom kawg kuj tseem hu ua cathode-ray oscilloscope (q.v.), uas, hais nruj me ntsis, yog ib qho kev qhia ncaj qha, thaum lub oscillograph tuaj yeem ua cov ntaub ntawv ruaj khov.
Oscilloscope ua haujlwm li cas?
Ib qho piv txwv oscilloscope ua haujlwm los ntawm ncaj qha siv qhov hluav taws xob raug ntsuas rau lub teeb hluav taws xob txav hla lub oscilloscope npo. Covvoltage deflects lub beam nce thiab nqis proportionally, tracing lub waveform ntawm qhov screen. Qhov no muab ib daim duab tam sim ntawm lub waveform.
Pom zoo:
Cov khoom siv dab tsi yog siv rau phab ntsa screeding?
Plaster of Paris yog ib qho zoo tshaj plaws thiab feem ntau siv cov khoom siv screeding uas muab koj cov phab ntsa zoo tag thiab du. POP mix yuav tsum muaj ob qho khoom xyaw nrog rau cov hmoov gypsum tseem hu ua POP cement thiab tshwj xeeb POP Screeding Paint.
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.
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.
Yuav siv dab tsi txhawm rau txhawm rau txhawm rau txhawm?
Siv phom caulk siv cov hlaws tuab ntawm caulk ncig ntawm ntug ntawm lub txee. Tsa lub dab dej kom nws nias tawm tsam lub hauv qab ntawm lub countertop thiab tsim cov dej tsis sib haum. Ntxiv cov laug cam thiab shims raws li xav tau los xyuas kom meej lub dab dej nyob hauv qhov chaw.
Puas yog cov dab dab dab dab dab dab tau them?
OHL cov neeg ua si tsis tau nyiaj hli, vim lawv tsis raug lees paub tias yog cov neeg ua haujlwm raws li Txoj Cai Kev Ua Haujlwm. Txawm li cas los xij, lawv suav nrog cov txiaj ntsig xws li nyiaj rov qab txhua xyoo, tag nrho cov nqi kawm ntawv them, thiab daim pib pub dawb.
