2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
kev tswj hwm ntawm cov ntaub ntawv yas los ntawm 1973 mus rau mid-1980s. Lub caij nplooj zeeg ntawm 8-khiav daim kab xev muag pib thaum xyoo 1970s thaum cov kab xev xaum nkag mus rau hauv kev ua lag luam thiab tau dhau LP kev muag khoom los ntawm nruab nrab-1980s thiab tseem yog hom tseem ceeb mus txog rau xyoo 1993.
Puas cassette zoo li vinyl?
Vinyl zoo khaws cia lub suab ntawm lub suab paj nruag, nrog cov cassettes muab tsawg dua nuance. Kom meej meej, vinyl muaj lub suab zoo dua li cassettes, yog vim li cas cov tom kawg tau dhau los ua neeg nyiam nyob rau xyoo tas los no. Koj yuav pom ntau cov khoom siv yas tab sis tsawg tsawg tus neeg sau cov ntaub ntawv ntshiab.
Daim kab xev cassette raug nqi pes tsawg xyoo 1980?
Single albums in the 80s
Yog koj ntseeg tau, cov ntaub ntawv kaw cia ua ntej tau nyob nruab nrab kwv yees $6-8 rau ib qho album. Tau kawg, qhov ntawd nyob ntawm lub npe thiab qhov tsis meej, tab sis rau lub sijhawm (thiab tuaj yeem mloog nws ntawm kev mus), uas yog tus nqi tsim nyog.
Thaum twg CDs hloov cov kab xev?
CDs dhau
Tshaj tawm hauv CD thaum lub Tsib Hlis 1985, cov nkauj ntaus suab paj nruag tau dhau los ua suab paj nruag tseem ceeb, thiab cov kiv cua vinyl thiab audiophiles tau pib yuav CD player hauv kev tsav tsheb los txais yuav cov qauv loj hlob. Los ntawm 1988, CD muag eclipsed vinyl, thiab hla lub cassette hauv xyoo 1991.
Puas cassette tapes siv nyob rau hauv lub 80s?
Cassettes tsis yog tshiab nyob rau hauv lub yim caum, tab sis lawv tau los ua wildly nrov rau ob qho laj thawj loj. Pib thaum xyoo pua xya, 3MLub tuam txhab pib ua cov cassettes uas zoo dua rau kev siv suab paj nruag (raws li qhov tsis zoo rau cov laus uas muaj ntau dua rau kev sau ntawv).
Pom zoo:
Thaum twg cassettes tau tsim?
Ib daim kab xev Philips muaj nyob rau hauv 1965. Lou Ottens, uas yog tus thawj coj tsim thawj daim kab xev, tau tuag ntawm 94. Cassette tapes tau nrov xyoo? Txawm hais tias kev yug thiab kev loj hlob ntawm lub cassette pib thaum xyoo 1960, nws cov kev coj noj coj ua tau tshwm sim thaum lub sijhawm xyoo 1970 thiab 1980s.
Thaum twg qhov kev hloov pauv hloov pauv tshwm sim?
Nws xav tias yuav pab nrog mRNA paub los ntawm ribosome thaum txhais lus. Kev hloov kho kuj tseem siv qhov chaw ntawm qhov kawg ntawm RNA cov ntawv sau tseg. Txog 3' kawg ntawm RNA saw 30-500 adenines ntxiv rau hauv qhov hu ua poly A tail. qhov hloov pauv hloov pauv hloov pauv nyob qhov twg?
Qhov twg yog qhov kev hloov pauv hloov pauv hloov pauv?
Semiconservative replication piav qhia txog cov txheej txheem ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb. DNA replication tshwm sim ntawm ntau lub hauv paus pib ntawm kev rov ua dua raws DNA qauv strand. Raws li DNA ob chav helix yog unwound by helicase, replication tshwm sim nyias ntawm txhua tus qauv strand nyob rau hauv antiparallel cov lus qhia.
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
Puas sram thiab shimano cassettes hloov pauv tau?
Kev sib raug zoo ntawm cov tsav tsheb sib txawv SRAM thiab Shimano cassettes, ntawm txoj kev lossis tsheb kauj vab roob, yog sib hloov nrog ib leeg raws li qhov qhov sib nrug yog tib yam ntawm cov sprockets. Txawm li cas los xij, Campagnolo txoj kev cassettes tsuas yog ua haujlwm nrog Campagnolo tsav tsheb.
