2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2023-12-17 02:46
W. C. Röntgen tau tshaj tawm qhov kev tshawb pom ntawm X-rays hauv Kaum Ob Hlis 1895tom qab xya lub lis piam ntawm kev ua haujlwm tsis txaus ntseeg thaum lub sijhawm nws tau kawm txog cov khoom ntawm cov hluav taws xob tshiab no tuaj yeem dhau los ntawm cov ntxaij vab tshaus ntawm cov tuab tuab. Nws tis npe rau lawv X-rays los qhia qhov tseeb tias lawv qhov xwm txheej tsis paub.
Roentgen pom X-rays li cas?
Wilhelm Roentgen, tus xibfwb ntawm Physics hauv Wurzburg, Bavaria, nrhiav pom X-rays xyoo 1895-tam sim no-thaum kuaj seb cov kab hluav taws xob cathode tuaj yeem dhau los ntawm iav. … Vim nws tsis paub lub rays yog dab tsi, nws thiaj hu lawv tias 'X,' txhais tau tias 'tsis paub,' rays.
Puas Roentgen nyiag X-ray?
Lenard tau txais txiaj ntsig Nobel nqi zog hauv xyoo 1905 rau nws txoj haujlwm ntawm cov kab hluav taws xob cathode, tab sis iab liam Rontgen rau nyiag X-ray invention los ntawm nws - tom qab ntawd nrhiav nws txoj kev kawm tsis ncaj ncees raws li ib theem siab Nazi official.
Physics of How Wilhelm Roentgen Discovered X-rays
Pom zoo:
Thaum twg pernicious anemia nrhiav pom?
Kab mob tshwm sim los ntawm vitamin B12 tsis txaus yog thawj zaug piav qhia los ntawm Addison hauv 1855, thiab tau paub tias yog Addison's anemia lossis Biermer's anemia. Cov tsos mob muaj xws li palor, ua tsis taus pa, jaundice, poob phaus thiab cov leeg nqaij spasms.
Thaum twg mathieu orfila nrhiav pom toxicology?
Orfila pab txhawb Toxicology thaum lub sij hawm thaum ntxov 1800's thaum nws ua haujlwm rau kev tshawb fawb hu ua "Traite des poisons". Orfila txheeb xyuas cov tshuaj lom neeg cov teebmeem rau tib neeg thiab tsim ib txoj hauv kev tshawb pom muaj arsenic hauv cov neeg raug tua.
Thaum twg paramagnetism nrhiav pom?
Paramagnetism, hom magnetism yam ntxwv ntawm cov khoom tsis muaj zog txaus nyiam los ntawm cov hlau nplaum muaj zog, muaj npe thiab tshawb xyuas los ntawm tus kws tshawb fawb Askiv Michael Faraday Michael Faraday English physicist thiab chemist Michael Faraday yog ib tus kws tshawb fawb loj tshaj plaws ntawm lub xyoo pua 19th.
Thaum twg tau txais kev pom zoo nrhiav tau?
In 2009, peb tus tsim thiab CEO Steve Marshall tau txheeb xyuas lub sijhawm hauv kev lag luam pov hwm lub neej thiab Reassured tau tsim. Peb pab tsev neeg tiv thaiv qhov tseem ceeb tshaj plaws rau lawv; Peb Lub Hom Phiaj rau 2020 yog los tiv thaiv ntau dua 200,000 tsev neeg hauv tebchaws Askiv.
Thaum twg purkinje nrhiav pom protoplasm?
mloog); kuj sau Johann Evangelist Purkinje) (17 lossis 18 Kaum Ob Hlis 1787 - 28 Lub Xya Hli 1869) yog Czech anatomist thiab physiologist. Hauv 1839, nws tau sau lo lus protoplasm rau cov kua dej ntawm lub xovtooj. Purkinje nrhiav tau dab tsi hauv xyoo 1839?
