Dry barasa - tarihin fitowan da kuma aikace-aikace na

Dry barasa - yana da wuya, ba na ba da hayaki man fetur wanda shi ne kai tsaye zuwa alcohols yana da kõme ba su yi. Wannan abu da aka samar da mafi yawa a cikin nau'i na manyan katsin, yayin da konewa na daya kwamfutar hannu ne prmerno 12-15 minti. Dry barasa kunshi biyu aka gyara: hexamethylenetetramine (wanda kuma ake kira hexamine) da kuma kananan adadin da kakin zuma. Akwai irin wannan man fetur saboda da kokarin Aleksandra Mihaylovicha Butlerova - mai girma Rasha sunadarai, wanda ba kawai ya hada da wani yawan kwayoyin mahadi, amma kuma halicci wani ka'idar tsarin daban-daban sunadarai. Shi ne wannan masanin a 1859 samu wani sabon abu da dauki na formaldehyde da wani mai ruwa-ruwa ammonia bayani, wanda daga baya ya zama sananne a matsayin hexamine.

An ban sha'awa Gaskiyar ita ce, a Rasha methenamine har Yuni 1, 2010 aka rayayye yi amfani da masana'antun sarrafa kayayyakin abinci: shi ne amfani da wata hana aifuwa na maza ga kifi da caviar, kuma aka rajista a matsayin wakili E239. Daga baya wannan hana aifuwa na maza gane m ga kiwon lafiya, methenamine saboda hulda da acid da aka tuba zuwa formaldehyde, wanda tsokani fitowan da kuma ci gaban da ciwon daji marurai, cewa ne, a gaskiya, shi ne mai carcinogen. Saboda haka methenamine a halin yanzu amfani da yafi domin samar da amfani kayayyakin kamar bushe man fetur.

Duk da cewa mutane a zamanin yau, an kẽwaye su da dukan amfanin da wayewa, shi ne makãmashin samu da mutane da yawa aikace-aikace. Dry barasa da ake amfani da dafa abinci da kuma dumama abinci a filin yanayi, wanda yana da muhimmanci musamman ga yankunan inda ba za ka iya nemo wani burbushin man fetur (duwãtsu, m ƙasar, steppe, da dai sauransu). Wannan man fetur da aka har yanzu kafa na mutum da abincin sojoji da sojoji a kusan dukkanin sojojin na duniya. Domin kindling gobara a rigar weather kuma za a iya amfani da bushe barasa. Farashin wannan man fetur (wanda yake shi ne musamman nice) ne low, marufi da Allunan za a iya sayi for 25 rubles. Wannan ne mai matukar kyau wani zaɓi saboda mafi tsada bushe man fetur iya kudin game da 150 rubles. Cooking bushe barasa amfani ne da wuya (ga dafa cikakken abinci daukan lokaci mai tsawo), amma ga dumi-up, shi dace da daidai misali, yana yiwuwa don zafi da tulun abincin gwangwani ko tafasa a kofin shayi. Mafi Kindle bushe man fetur a kan wani musamman karfe tushe.

A abũbuwan amfãni daga irin wannan man fetur a sarari: Allunan ne haske da m, ba ya zauna yawa sarari, za su iya dauka tare da su ko da yin yawo, sabanin, ka ce, man fetur ko gas burners. Allunan ne mai sauqi ka yi amfani da, don haka da cewa suna da wani fairly m kewayon aikace-aikace. Amma bushe barasa yana da yawan mummunan halaye: bira ne sosai m zuwa iska, saboda haka za ka iya bukatar wani musamman allo. Haka kuma, irin wannan man fetur a lokacin da rigar fara hayaki, tartsatsi da kuma sakin wani m wari. Amma wadannan shortcomings ba kamar yadda muhimmanci, musamman idan aka kwatanta da abũbuwan amfãni miƙa ta yin amfani da bushe man fetur.