2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub sijhawm the 1860s lub plhaub raug rho tawm los ntawm ntau yam riam phom pib muaj cov khoom tawg hu ua ' phom paj rwb' (nitro-cellulose). Qhov no yog lub sijhawm ntawm Asmeskas Kev Tsov Rog Thoob Ntiaj Teb, thiab kev siv phom paj rwb yog ib qho ntawm ntau qhov laj thawj vim li cas qhov kev tsis sib haum xeeb tuaj yeem pom tau tias yog thawj 'kev ua tsov rog niaj hnub'.
Thaum twg cov khoom tawg tau siv?
In 1846 Italian kws tshuaj Ascanio Sobrero (1812-1888) tau tsim thawj zaug niaj hnub tawg, nitroglycerin, los ntawm kev kho glycerin nrog nitric thiab sulfuric acids. Sobrero qhov kev tshawb pom yog, hmoov tsis zoo rau ntau tus neeg siv thaum ntxov, tsis ruaj khov heev los siv kom nyab xeeb.
Thaum twg cov khoom tawg tau siv thawj zaug hauv Tebchaws Europe?
Keeb kwm tsim los ntawm cov neeg Taoists rau kev siv tshuaj, tshuaj phom yog thawj zaug siv rau kev ua rog nyob ib puag ncig 904 AD. Nws kis thoob plaws feem ntau ntawm Eurasia thaum kawg ntawm lub xyoo pua 13th.
Thawj zaug puas tawg tau?
Nws yuav tsis paub tseeb tias leej twg tau tsim cov khoom tawg thawj zaug, dub hmoov, uas yog sib xyaw ntawm ntsev (potassium nitrate), sulfur, thiab charcoal (carbon). Qhov kev pom zoo yog tias nws tau tshwm sim hauv Suav teb xyoo pua 10th, tab sis qhov kev siv nws muaj yuav luag tshwj xeeb hauv foob pob hluav taws thiab teeb liab.
Leej twg yog thawj tus siv rab phom ua riam phom?
Cov Mongols yog thawj tus raug tua hluav taws - tus xub kho nrog rab phom phom uasignited thiab yuav propel nws tus kheej hla cov yeeb ncuab kab. Ntau cov phom phom-raws li riam phom tau tsim los ntawm Suav thiab ua tiav tawm tsam Mongols nyob rau ntau pua xyoo tom ntej, suav nrog thawj rab phom thiab grenades.
Pom zoo:
Thaum twg cov khoom tawg tau siv thawj zaug?
Thawj thawj qhov hluav taws xob hluav taws xob tau tsim nyob rau hauv 1879 los ntawm Thomas Edison, thaum nws tau los nrog lub tswv yim ntawm kev tiv thaiv kab hluav taws xob siv rau teeb pom kev zoo los ntawm cov teeb meem tshwm sim ntawm overloads tam sim no thiab luv circuits.
Nyob rau hauv kev tsov rog kev tsov kev rog feem ntau kansans?
Thaum qhov tshwm sim ntawm Asmeskas Kev Tsov Rog Thoob Ntiaj Teb rau lub Plaub Hlis 1861, Kansas yog lub xeev tshiab tshaj plaws hauv Teb Chaws Asmeskas, tau lees paub lub hli dhau los thaum Lub Ib Hlis. Kansans feem ntau ua li cas thaum Tsov Rog Tsov Rog?
Puas yog tsov rog bosnian ua tsov rog npe?
Kev tsov rog hauv Bosnia yog kev tsov rog thoob ntiaj teb, tab sis saum toj no, nws yog kev ua tsov rog. Kev tsov rog hauv Bosnia tau kav txij xyoo 1992 txog 1995, thiab nws yog haiv neeg thiab kev nom kev tswv. hom tsov rog twg yog Bosnian tsov rog?
Puas yog kev ua tsov rog niaj hnub ua tsov rog rog rog poob?
Kev Tsov Rog Niaj Hnub Nyoog servers tsis poob tam sim no thiab tab tom ua haujlwm raws li qhov xav tau, raws li lub vev xaib pabcuam raug cai rau Hu rau Lub Luag Haujlwm franchise. Puas yog warzone servers poob rau PS4? Call of Duty Warzone servers poob rau PS4, PC, thiab Xbox Ib.
Thaum twg tsov rog tsov rog tsim?
Nws yog los ntawm Saxo-Norman era thiab hnub rau kwv yees thaum ntxov xyoo pua 11. Kev sib ntaus sib tua medieval-axe yog riam phom ua los ntawm ib tug kws ntaus hlau. Kev sib ntaus sib tua-axe yog ua los ntawm hlau, hlau, qee zaum tooj liab, thiab ntoo (rau nws kov).
