Phlogiston, hauv kev tshawb xav tshuaj lom neeg thaum ntxov, hypothetical hauv paus ntsiab lus ntawm hluav taws, ntawm txhua yam khoom uas combustible yog ib feem tsim. Nws xav tias, thaum cov khoom kub hnyiab, lub ntiaj teb combustible (Latin terra pingguis, lub ntsiab lus "rog ntiaj teb") tau dim. …
Cov pov thawj dab tsi txhawb phlogiston?
Feem ntau, cov khoom uas kub hnyiab hauv huab cua tau hais tias nplua nuj hauv phlogiston; Qhov tseeb hais tias combustion sai sai no ceased nyob rau hauv ib tug kaw qhov chaw yog coj los ua pov thawj tseeb hais tias huab cua muaj peev xwm nqus tau ib tug finite npaum li cas ntawm phlogiston.
Leej twg tsim phlogiston?
Muab pov rau hauv qhov sib xyaw no yog lub tswv yim ntawm phlogiston. Tsim los ntawm tus kws tshawb fawb German Georg Ernst Stahlthaum ntxov hauv lub xyoo pua 18th, phlogiston yog lub tswv yim tshuaj tseem ceeb ntawm lub sijhawm vim nws zoo li piav qhia ntau yam hauv qhov yooj yim.
Calx teeb meem yog dab tsi?
Nws tau paub tias thaum cov hlau maj mam hloov mus rau hauv cov hmoov (calxes), raws li tau pom nyob rau hauv cov hlau xeb, cov calx tau hnyav dua li cov hlau qub, thaum lub calx tau "txo" rau cov hlau, poob phaus tshwm sim.
Puas yog qhov kev tshawb xav phlogiston tseem lees txais hnub no?
Txheej txheem cej luam. Thaum pib ntawm lub xyoo pua 18th Phlogiston txoj kev xav ntawm hluav taws dominated. Thaum kawg ntawm lub xyoo pua thib kaum yim, txawm li cas los xij, Phlogiston txoj kev xav tau overturned los ntawm lub tswv yim tshiab ntawm kev sib txuas ntawmoxygen.
