Cov txheej txheem:
- Leej twg tsim lub chav kuaj?
- Thaum twg yog qhov chaw sim tsim?
- lab keeb kwm yog dab tsi?
- Thaum twg thiab qhov twg yog thawj qhov chaw kuaj mob tau tsim?
Video: Lub chaw soj nstuam tau tsim thaum twg?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Thawj qhov kev xa khoom ntawm cov cuab yeej thiab tshuaj mus rau North America yog tsim los ntawm John Winthrop hauv 1633; Lub txaj txaj ntawm American lab apparatus yog nyob rau hauv Phila- delphia, qhov chaw uas ntsuas kub thiab hydrometers thiab "iav rau Philosophical Experiments" tau ua kom deb li deb rov qab mus rau 1785.
Leej twg tsim lub chav kuaj?
Thomas Edison National Historical Park. Feem ntau, peb hlub nws rau kev tsim lub ntiaj teb thawj Kev Tshawb Fawb Kev Tshawb Fawb. Thomas Edison lub tsev thiab chav kuaj hauv West Orange, NJ tam sim no yog ib feem ntawm US National Park System. Tawm ntawm Edison's 1092 patents tawm hauv Tebchaws Meskas, feem ntau yog cov khoom siv hluav taws xob.
Thaum twg yog qhov chaw sim tsim?
Txij thaum lub chaw soj nstuam tau qhia hauv lig 1800s, cov hom phiaj ntawm kev kawm txuj ci hauv tsev kawm theem siab tau hloov pauv.
lab keeb kwm yog dab tsi?
Lab keeb kwm yog sib cais los ntawm keeb kwm ntawm chemistry. Nws coj peb los ntawm kev ntsuas kev tshawb fawb mus rau kev qhia, los ntawm kev qhuab qhia thaum pib raws li kev zais kos duab ntawm alchemy mus rau nws cov xwm txheej niaj hnub raws li qhov xav tau hauv kev tshawb fawb.
Thaum twg thiab qhov twg yog thawj qhov chaw kuaj mob tau tsim?
1903 Ayer Clinical Laboratory yog tsim los ntawm Pennsylvania Tsev Kho Mob, tsim los ntawm Simon Flexner rau kev ua haujlwm nrog cov neeg mob.
Pom zoo:
Tus neeg soj xyuas luv luv rau kev soj ntsuam?
Ib tug neeg ua txhaum cai raug hu ua tus neeg saib xyuas lossis neeg soj xyuas Ib tus neeg lossis tus neeg soj xyuas lub nplhaib (ib pab pawg neeg soj xyuas), hauv kev pabcuam tsoomfwv, tuam txhab, kev ua phem lub koom haum, lossis kev ua haujlwm ywj pheej, tuaj yeem ua txhaum kev soj ntsuam.
Qhov xwm txheej twg yuav tsum tau sau tseg hauv lub chaw tsim khoom phau ntawv teev npe?
Cov xwm txheej nrog cov menyuam yaus, qaug cawv lossis muaj teeb meem tus neeg saib xyuas yuav tsum tau sau rau hauv phau ntawv teev npe uas: suav nrog cov ntawv muag khoom, yog tias muaj. Kev cuam tshuam: thaum tus neeg rau zaub mov, tus thawj tswj hwm lossis tus neeg muaj ntawv tso cai ua pov thawj tias kev pabcuam rau tus neeg haus cawv raug txiav tawm thiab kom tus qhua tuaj txog hauv tsev yam xyuam xim .
Thaum twg yog kev soj ntsuam kev soj ntsuam?
Kev soj ntsuam kev soj ntsuam tso cai rau tus kws tshawb fawb pom tias lawv cov kev kawm tiag tiag ua thaum ntsib nrog ntau yam kev xaiv lossis xwm txheej. Lub sij hawm yog hais txog kev kawm txog cov xwm txheej uas tsis yog kev sim uas tus cwj pwm tau soj ntsuam thiab sau tseg .
Qhov twg thiab thaum twg yog qhov chaw ua haujlwm ntawm thawj kws kho mob kws kho mob tau tsim?
Nyob rau hauv 44 BC, ntawm thawj qhov keeb kwm ntawm kev tshuaj ntsuam xyuas kab mob tshwm sim tam sim ntawd tom qab lub sleighing ntawm Julius Caesar los ntawm nws cov neeg koom tes. Tus kws tshuaj xyuas lub sijhawm ntawd xaus lus tias ntawm 23 qhov txhab pom ntawm lub cev tsuas yog ib tus neeg tuag xwb .
Lub hom phiaj tseem ceeb rau lub chaw soj ntsuam xyuas kev ncig yog dab tsi?
Ib lub koom haum uas feem ntau cov koom haum tshaj tawm thiab tshaj tawm cov ntawv xov xwm, cov ntawv xov xwm, thiab cov ntawv xov xwm. Nws txoj haujlwm yog sau thiab txheeb xyuas cov lej muag khoom los ntawm cov tshaj tawm tsis tu ncua thiab tshaj tawm cov nuj nqis txhua hli(tam sim no feem ntau yog los ntawm kev pabcuam online) .
