![Lub tshuab ntsuas hluav taws xob tau tsim li cas? Lub tshuab ntsuas hluav taws xob tau tsim li cas?](https://i.tvmoviesgames.com/preview/questions/17923621-how-stethoscope-was-invented-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
René Laennec, tus kws kho mob hauv Fab Kis, tau tsim thawj lub stethoscope hauv xyoo 1816 hauv nroog Paris. Qhov kev tsim kho no tau tshwm sim vim nws tsis xis nyob ntawm kev mloog cov poj niam cov neeg mob lub siab los ntawm nws lub pob ntseg rau ntawm lawv lub hauv siab. Lub Laennec stethoscope muaj ib lub raj ntoo nyob rau hauv cov duab ntawm ib tug trumpet.
Lub stethoscope nrhiav tau li cas?
Nyob rau xyoo 1816, Tus kws kho mob Fab Kis Rene Laennec tau tsim thawj lub stethoscope siv lub raj ntawv ntev, dov rau lub suab ntawm tus neeg mob lub hauv siab mus rau nws pob ntseg. … Laennec tau sau lub npe "stethoscope" los ntawm ob lo lus Greek: stethos (lub hauv siab) thiab skopein (saib lossis pom).
Cov kws kho mob tau hnov lub suab li cas ua ntej lub stethoscope tau tsim?
Kev ua raws li kev sib raug zoo niaj hnub, Laennec suav tias yog qhov tsis tsim nyog rau kev mloog nws lub siab los ntawm muab nws lub taub hau ncaj qha rau ntawm nws lub hauv siab. Hloov chaw, nws muab ib daim ntawv rau hauv ib lub raj thiab muab ib qho kawg rau ntawm tus neeg mob lub hauv siab thiab lwm qhov ntawm nws lub pob ntseg.
Rene Laennec ua li cas thiaj tsim lub stethoscope?
René-Théophile-Hyacinthe Laennec (Fabkis: [laɛnɛk]; 17 Lub Ob Hlis 1781 - 13 Lub Yim Hli 1826) yog tus kws kho mob Fabkis thiab kws ntaus suab paj nruag. Nws
txuj ci ntawm kev kos nws tus kheej ntoo flutescoj nws mus tsim lub stethoscope hauv xyoo 1816, thaum ua haujlwm ntawm Hôpital Necker.
Tus neeg dub puas tau tsim lub stethoscope?
Ntau tshaj 50 yam khoom tsim los ntawm blacks, suav nrogstethoscope, ice cream scoop, gas mask, dov tus pin, tshuab ntaus ntawv, cwj mem sharpener, qe beater, ironing board thiab guitar, yog nyob rau hauv zaub nrog lub npe ntawm inventor thiab lub xyoo lawv tau invented.
Pom zoo:
Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?
![Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob? Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?](https://i.tvmoviesgames.com/preview/questions/17848045-what-is-the-difference-between-a-phonograph-and-a-gramophone-j.webp)
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 lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob?
![Puas yog lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob? Puas yog lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob?](https://i.tvmoviesgames.com/preview/questions/17907253-does-a-diesel-need-a-blow-off-valve-j.webp)
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?
![Puas hluav taws xob hluav taws xob puas tsim hluav taws xob? Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?](https://i.tvmoviesgames.com/preview/questions/17914625-does-coal-fired-produce-energy-j.webp)
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.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
![Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas? Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?](https://i.tvmoviesgames.com/preview/questions/17935914-how-does-an-electrogenic-pump-create-voltage-j.webp)
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?
![Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob? Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob?](https://i.tvmoviesgames.com/preview/questions/17941261-does-a-diesel-have-spark-plugs-j.webp)
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.