Guncotton, los yog nitrocellulose (tseem hu ua trinitrocellulose thiab cellulose nitrate) yog ib qho tawg me me, siv hauv foob pob hluav taws, tshuab, luam ntawv number case, tawv xov, thiab celluloid (a kev sib xyaw ntawm nitrocellulose thiab camphor; thawj zaug siv los tsim cov pob billiard).
Puas phom paj rwb siv phom?
Guncotton yog ua haujlwm hauv gunpowders, khoom foob pob hluav taws, thiab cov khoom tawg. … (guncotton) xyoo 1845 los ntawm dipping paj rwb nyob rau hauv ib tug sib tov ntawm nitric thiab sulfuric acids thiab ces tshem tawm cov kua qaub los ntawm kev ntxuav nrog dej, nws cia siab tias yuav tau ib tug propellant rau cov tub rog riam phom. Txawm li cas los xij, nws ua pov thawj tias nrawm dhau thiab ua nruj ua tsiv.
Puas phom paj rwb puas yog hmoov tsis muaj pa?
Nitroglycerine tau tsim los ntawm Italian chemist Ascanio Sobrero hauv xyoo 1847. Txawm hais tias nws muaj cov tshuaj muaj zog ntau dua li cov hmoov dub thiab nws yog tsis muaj pa taws ntauthiab sulfur dawb, nitroglycerine detonates, yog li ua rau nws tsis tsim nyog raws li ib tug propellant ib leeg.
Lub foob pob ua los ntawm paj rwb yog dab tsi?
Nitro-paj rwb tsim cov ntsiab lus tseem ceeb ntawm ntau yam khoom tawg, qhov kev faib ua feem sib txawv raws li qhov tshwm sim ntawm cov khoom tawg uas xav tau.
Puas phom paj rwb tawg?
Guncotton tsis tuaj yeem tawg tshwj tsis yog nws raug kaw, ib yam li hauv rab phom. Thaum qhuav, txawm li cas los xij, guncotton tuaj yeem ua rau tawg nrog kev ua phem lojlos ntawm kev ntaus nrig ntawm obnyuaj nto.
