2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Gramophone: Txhua lub suab kaw suab, lossis cov cuab yeej ua si yav dhau los-cov suab kaw, tshwj xeeb tshaj yog tias nws siv lub tiaj tiaj tiaj. Phonograph: Txhua lub suab kaw suab, lossis cov cuab yeej siv rau kev ua si cov suab uas tau kaw dhau los, tshwj xeeb tshaj yog tias nws siv lub tog raj kheej tig.
Puas yog phonograph zoo ib yam li lub gramophone?
A phonograph, hauv nws cov ntawv tom qab tseem hu ua a gramophone (raws li kev lag luam txij li xyoo 1887, raws li lub npe nrov hauv UK txij li xyoo 1910) lossis txij li xyoo 1940s hu ua cov ntaub ntawv. neeg uas ua ntawv, yog ib tug ntaus ntawv rau cov neeg kho tshuab kaw thiab luam tawm suab. … Lub phonograph tau tsim nyob rau xyoo 1877 los ntawm Thomas Edison.
Dab tsi yog qhov txawv ntawm lub suab thiab lub Graphophone?
Raws li nouns qhov txawv ntawm phonograph thiab graphophone
yog tias phonograph yog lus, a ntaus ntawv uas ntes suab nthwv dej mus rau ib qho archive; lub tshuab dhos thaum graphophone yog ib qho kev txhim kho ntawm lub phonograph, siv lub stylus ntab los txiav cov grooves rau hauv ib lub tog raj kheej-coated cardboard.
phonograph thiab gramophone zoo li cas?
Txij li xyoo 1910, cov khoom siv suab paj nruag nyiam nyiam yog lub npe hu ua gramophone. Tab sis tiag tiag, rau kwv yees li ib puas xyoo, phonograph lossis gramophone yog qhov tseem ceeb ntawm tib lub cuab yeej thiab tuaj yeem siv sib hloov. Edison envisioned thiab tsim ib tug kaw cia thiab playbackntaus ntawv uas yog tag nrho ib lub tshuab.
Puas yog cov ntawv sau thiab cov suab paj nruag tib yam?
A niaj hnub sau ntawv lossis turntable ua haujlwm yuav luag zoo ib yam li Edison's phonograph, tab sis muaj qhov sib txawv loj. … Ib tug neeg ntaus ntawv uas raug kaw muaj lub stylus (zoo ib yam li rab koob hauv Edison lub tshuab) uas ua pob nce thiab nqis hauv qhov zawj ntawm cov yas (yas) disc.
Pom zoo:
Puas yog lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob?
Diesels tsis xav tau lawv - pob tseg li qub / tshuab tawm li qub yog tsim los rau qhov chaw nruab nrab ntawm lub turbo thiab lub throttle. Nyob rau hauv ib tug petrol engine, ntawm siab boost, thaum koj snap lub throttle kaw lub turbo tseem tig.
Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?
Coal feem ntau siv roj los tsim hluav taws xobhauv Tebchaws Meskas. Hauv cov chaw tsim hluav taws xob hluav taws xob hluav taws xob, cov hluav taws xob bituminous, subbituminous thee, lossis lignite raug hlawv. Cov cua kub uas tsim los ntawm kev sib xyaw ntawm cov thee yog siv los hloov cov dej mus rau hauv qhov chaw siab zog, uas tsav lub turbine, uas tsim hluav taws xob.
Cadmium puas yog qhov zoo ntawm cov hluav taws xob thiab hluav taws xob?
Vim nws qhov ua tau zoo raws li tus neeg xyuas hluav taws xob, cadmium feem ntau siv hauv electroplating thiab hauv roj teeb. Tsis tas li ntawd, cadmium thiab cov kev daws teeb meem ntawm nws cov tebchaw yog tshuaj lom thiab yuav tsum tau ua tib zoo saib xyuas.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
Piav seb lub twj hluav taws xob hluav taws xob tsim hluav taws xob hla lub membrane li cas. Los ntawm pum electrons hla lub membrane, sab uas cov electrons raug tshem tawm muaj qhov zoo dua, thaum sab tau txais cov hluav taws xob ntau muaj qhov tsis zoo.
Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob?
Vim li cas lub tshuab hluav taws xob sab hauv combustion yuav tsum tsis muaj lub tshuab hluav taws xob los ua kom cov roj tsis zoo li roj av? Spark plugs yog siv nyob rau hauv cov roj cav mus ignite cov pa roj sib tov whereas nyob rau hauv diesel engines lub xub ntiag ntawm lub txim plugs yog tsis tsim nyog.
