puas muaj magnetic kua
Sep 25, 2023
puas muaj magnetic kua
Yog, muaj cov kua nplaum sib nqus hu ua ferrofluid. Ferrofluid yog cov kua tshwj xeeb uas yog tsim los ntawm cov khoom sib nqus me me uas raug tshem tawm hauv cov kua dej, xws li roj lossis dej. Nws yog khoom plig rau nws lub peev xwm los teb rau cov teb sib nqus thiab tsim cov qauv zoo nkauj thiab cov duab.
Ferrofluid tau pom thawj zaug hauv xyoo 1960 los ntawm NASA tus kws ua haujlwm hu ua Steve Papell. Nws tab tom nrhiav txoj hauv kev kom txav cov kua roj hauv qhov chaw yam tsis muaj kev pab ntawm lub ntiajteb txawj nqus. Nws sib xyaw cov khoom sib nqus nrog cov roj ua kua thiab pom tias qhov tshwm sim yog cov kua uas tuaj yeem txav tau los ntawm qhov chaw sib nqus.
Txij thaum ntawd los, ferrofluid tau pom ntau daim ntawv thov hauv ntau qhov kev lag luam. Nws yog feem ntau siv hauv kev lag luam hluav taws xob rau kev ua kom txias thiab sealing lub hom phiaj. Nws kuj tau siv rau hauv kev siv biomedical, xws li kev xa tshuaj thiab kev kho mob qog noj ntshav.
Ferrofluid kuj tau dhau los ua qhov nruab nrab nrov rau kev kos duab thiab kev lom zem. Cov kws kos duab siv ferrofluid los tsim cov duab puab zoo nkauj thiab kev teeb tsa uas cuam tshuam rau cov hlau nplaum. Cov tsev khaws puav pheej Science feem ntau muaj cov khoom pov thawj ferrofluid ua ib feem ntawm lawv cov khoom.
Cov khoom tshwj xeeb ntawm ferrofluid ua rau nws yog qhov chaw zoo siab ntawm kev kawm rau cov kws tshawb fawb thiab cov kws ua haujlwm. Cov kws tshawb fawb tab tom tshawb nrhiav yuav ua li cas siv ferrofluid hauv txoj kev tshiab thiab tshiab, xws li hauv kev txhim kho cov kev kho mob tshiab thiab cov thev naus laus zis siab heev.
Hauv kev xaus, thaum ferrofluid yuav tsis yog cov khoom siv dav dav, nws yog cov khoom siv zoo nkauj thiab muaj ntau yam uas tuav lub peev xwm zoo rau ntau daim ntawv thov. Nws cov khoom sib nqus tshwj xeeb tau ua rau thaj chaw zoo siab ntawm kev kawm thiab kev tshawb fawb, nrog rau qhov kev tshoov siab rau cov kws ua yeeb yam thiab cov kws ntaus suab paj nruag.
Peb cov khoom lag luam suav nrog kev xaiv dav ntawm cov hlau nplaum thiab cov khoom sib nqus, los ntawm cov hlau nplaum neodymium mus rau ferrite hlau nplaum thiab txhua yam nyob nruab nrab. Peb kuj muab ntau yam sib nqus sib nqus, nrog rau cov khoom sib nqus, cov hlau nplaum sib nqus, thiab cov hlau nplaum sib nqus. Dab tsi ua rau peb sib nrug ntawm kev sib tw yog peb cov txheej txheem tswj kom zoo. Peb muaj kev txaus siab heev hauv kev tsim cov khoom zoo uas muaj kev ntseeg siab, ruaj khov, thiab kav ntev. Txhua yam khoom uas tawm hauv peb lub Hoobkas yuav raug kuaj xyuas kom zoo kom ntseeg tau tias nws ua tau raws li peb cov qauv siab. Thov hu rau peb thiab peb yuav xa koj cov lus hais sai li sai tau!
