2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Hnub no xyoo 1986, kev ua haujlwm tsuas yog rov qab mus rau xyoo 1911 tau xaus: kev siv cov canaries hauv cov mines txhawm rau txheeb xyuas cov pa roj carbon monoxide thiab lwm cov pa roj carbon monoxide ua ntejlawv ua mob rau tib neeg. … Txawm hais tias qhov kawg ntawm kev siv cov noog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau ua rau muaj kev phom sij yog cov tib neeg muaj kev noj qab haus huv ntau dua, cov neeg ua haujlwm miners xav tau sib xyaw.
Puas yog lawv puas siv canaries hauv cov mines?
Canaries tau iconically siv hauv cov mines kom pom cov pa roj carbon monoxide. Cov noog ua pa nrawm nrawm, qhov me me, thiab cov metabolism hauv siab, piv rau cov miners, coj cov noog hauv cov mines txaus ntshai kom succumb ua ntej cov miners, yog li muab sijhawm rau lawv ua.
Puas canaries tseem siv hauv mines?
Txoj cai lij choj Askiv tau txiav txim rau cov miners los hloov cov canaries nrog hluav taws xob carbon monoxide sensors thaum Lub Kaum Ob Hlis 30, 1986, txawm hais tias cov miners muaj txog ib xyoos los ua kom tiav 200 canaries kawg tseem siv hauv tebchaws Askiv thee mines.
Puas cov miners tseem nqa canaries nrog lawv hnub no?
Canaries tsis yog tib tsiaj los pab tiv thaiv cov miners los ntawm cov pa phem. Cov nas kuj tau ua txoj haujlwm rau ib lub sijhawm kom txog thaum cov miners pom tau hais tias canaries tau ceeb toom ua ntej. Hnub no, tsiaj txhu tau hloov pauv los ntawm digital CO detectors uas ceeb toom rau cov miners ntawm kev phom sij. Kev siv cov canaries hauv thee mines xaus rau xyoo 1986.
Vim li cas lawv thiaj xa canaries cia kuv?
Ntau dua rau cov pa tshuaj lom, xws li carbon monoxide, canaries ceeb toom cov neeg ua haujlwm mining los ntawm kev ntxhov siab ntau dua thaum cov roj av nce siab dhau, tso cai rau tib neeg cov miners kom dim ntawm kev nyab xeeb. Li no cov kab lus "zoo li canary nyob rau hauv lub thee mine", yog siv los qhia ib tug whistleblower los yog taw qhia txog kev phom sij.
Pom zoo:
Lub kaus mom puas siv cov duab tiag tiag?
"Lawv tuaj yeem ua txhua yam," hais tias Josh O'Connor, uas ua si Prince Charles. … Tub fuabtais Charles txoj kev nqis peev txheej tau yees duab ntawm qhov chaw nyob ntawm qhov xwm txheej tiag tiag. Tus Crown puas siv cov duab tiag tiag ntawm kev ua koob tsheej?
Puas yog plaub caug cuaj tus miners?
49er lossis Forty-Niner yog lub npe menyuam yaus rau ib tus miner lossis lwm tus neeg uas tau koom nrog xyoo 1849 California Gold Rush. Leej twg yog plaub caug cuaj hauv keeb kwm? Zaj dab neeg nthuav tawm ntawm cov nyiaj tsis muaj kev txwv, thiab, thoob plaws lub tebchaws, cov txiv neej tawm haujlwm lossis muag lawv cov lag luam mus rau sab hnub poob thaum ntxov 1849.
Daim duab twg piav qhia siv cov ntaub ntawv tiag tiag?
UML daim duab yog ib hom lus los piav qhia txog kev siv rooj plaub. Yuav ua li cas siv rooj plaub realization? A use-case realization sawv cev yuav ua li cas cov ntaub ntawv siv yuav raug siv raws li cov khoom sib koom tes. … Los ntawm kev taug kev los ntawm kev tsim qauv ntawm kev qhia seb cov qauv tsim yuav ua li cas siv rooj plaub, pab pawg tau txais kev pom zoo tias tus qauv tsim muaj zog txaus los ua tus cwj pwm xav tau.
Thaum twg siv tiag tiag thiab tiag?
Lawv muaj qhov sib txawv me ntsis, tab sis feem ntau qhia tib yam. "Tseeb" txhais tau tias ib yam dab tsi ntau dua li "tsis muaj kev poob siab", thaum "Tseeb " txhais tau ntau dua raws cov kab ntawm "heev"
Puas pangasa siv cov plaub tiag tiag?
Raws li Daim iav txawm li cas los xij, tus menyuam mos thiab menyuam cov khaub ncaws hom Petits Amours Clothing tom qab tau tshaj tawm cov duab thiab hais rau cov thwjtim "Nws yog plaub tiag tiag." … Lub Pangasa knitted kaus mom thiab lub tsho yog txhua yam piav qhia hauv lub vev xaib tias muaj 'natural fur' lossis 'coloured fur'.
