2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Antoine Henri Becquerel yog tus kws tshaj lij Fab Kis Fab Kis, tus kws kho lub cev, tus neeg ua haujlwm Nobel, thiab thawj tus neeg nrhiav pov thawj ntawm xov tooj cua. Rau kev ua haujlwm hauv daim teb no nws, nrog rau Marie Skłodowska-Curie thiab Pierre Curie, tau txais 1903 Nobel nqi zog hauv Physics.
Henri Becquerel yug thiab tuag thaum twg?
Henri Becquerel, tag nrho Antoine-Henri Becquerel, (yug Lub Kaum Ob Hlis 15, 1852, Paris, Fabkis-tuag Lub Yim Hli 25, 1908, Le Croisic), Fabkis tus kws tshawb fawb uas nrhiav pom. radioactivity los ntawm nws cov kev tshawb fawb ntawm uranium thiab lwm yam khoom.
Henri Becquerel nrhiav tau dab tsi?
Thaum Henri Becquerel tshawb xyuas qhov kev tshawb pom tshiab X-rays xyoo 1896, nws tau coj mus rau kev tshawb fawb txog seb uranium ntsev cuam tshuam los ntawm lub teeb. Los ntawm kev huam yuaj, nws pom tias uranium ntsev spontaneously emit ib tug nkag mus rau hauv hluav taws xob hluav taws xob uas yuav tsum tau sau npe rau ntawm daim duab duab.
Vim li cas thiaj hu ua xov tooj cua?
Marie thiab Pierre Curie txoj kev kawm txog xov tooj cua yog qhov tseem ceeb hauv kev tshawb fawb thiab tshuaj. Tom qab lawv cov kev tshawb fawb ntawm Becquerel's rays coj lawv mus rau kev tshawb pom ntawm ob qho tib si radium thiab polonium, lawv tau sau lo lus "radioactivity" los txhais cov emission ntawm ionizing hluav taws xob los ntawm qee qhov hnyav.
Leej twg paub tias yog leej txiv ntawm xov tooj cua?
Lub Peb Hlis 1, 1896: Henri Becquerel Discovers Radioactivity. Nyob rau hauv ib qho ntawm feem ntau zoo-paub kev tshwm sim discoveries nyob rau hauv keeb kwm ntawmphysics, nyob rau hnub overcast nyob rau lub Peb Hlis 1896, Fab Kis tus kws kho mob lub cev Henri Becquerel tau qhib lub tub rau khoom thiab nrhiav pom cov xov tooj cua tshwm sim.
Pom zoo:
Thaum twg henri becquerel tuag?
Antoine Henri Becquerel yog tus kws tshaj lij Fab Kis Fab Kis, tus kws kho lub cev, tus neeg ua haujlwm Nobel, thiab thawj tus neeg nrhiav pov thawj ntawm xov tooj cua. Rau kev ua haujlwm hauv daim teb no nws, nrog rau Marie Skłodowska-Curie thiab Pierre Curie, tau txais 1903 Nobel nqi zog hauv Physics.
Yug tseem yug txhais li cas?
Ib tug tseem yug yog kev tuag lossis poob tus menyuam ua ntej lossis thaum yug. Ob qho kev nchuav menyuam thiab kev yug menyuam tseem piav qhia txog kev xeeb tub, tab sis lawv txawv raws li qhov tshwm sim thaum poob. Vim li cas ib co me nyuam tseem yug los?
Vim li cas cov me nyuam yug los tseem yug los puv sij hawm?
Ib tug tseem yug los yog kev tuag ntawm tus menyuam hauv plab tom qab lub lim tiam 20 ntawm leej niam cev xeeb tub. Yog vim li cas mus tsis piavrau 1/3 ntawm rooj plaub. Lwm 2/3 tej zaum yuav tshwm sim los ntawm cov teeb meem ntawm cov placenta los yog txoj hlab ntaws, ntshav siab, kab mob, kev yug me nyuam, los yog kev ua neej tsis zoo.
Bred txhais li cas thaum yug thiab yug me nyuam?
hais tias tus neeg yug thiab loj hlob hauv ib qho chaw tshwj xeeb, thiab muaj tus cwj pwm ntawm ib tus neeg nyob ntawd: Nws yog Parisian yug thiab yug me nyuam. yug thiab yug txhais li cas? -siv xa mus rau qhov chaw yug thiab menyuam yaus tshwm sim Nws yog neeg Mev yug thiab yug me nyuam.
Thaum twg emmett txog thaum yug?
Emmett Louis Till yog 14-xyoo-laus Asmeskas Neeg Asmeskas uas raug lynched hauv Mississippi xyoo 1955, tom qab raug liam tias ua phem rau tus poj niam dawb hauv nws tsev neeg lub khw muag khoom noj. Emmett yog tiam twg? Xyoo 1954, ob tug txiv neej dawb tua ib tug tub Asmesliskas Asmeskas hu ua Emmett Till;
