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Pakadali pano, ndi kusiyanasiyana kwa zinthu, Na2S imagwiritsidwa ntchito kwambiri m'mayendedwe onse a sodium sulfide 50-60% sikophweka kusunga, kusungunuka mu yankho lakuda, wokhala ndi zosayera. Kutumiza kwa Manja sikoyenera ndipo ...Werengani zambiri -
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Tenneries nthawi zambiri imagwirizanitsidwa ndi kununkhira kwa "sulfide" sulfide ", komwe kumachitika chifukwa cha kuchuluka kwa ma sulfphydric mpweya, komwenso kumadziwika kuti hydrogen sulfide. Milingo yotsika ngati 0,2 ppm ya H2S ili kale yosasangalatsa kwa anthu ndi kuchuluka kwa 20 ppm ndi uning ...Werengani zambiri -
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Wokhazikitsidwa mu 1993 ndi abale a Tom ndi David Gardner, Mtima a Motleley, a Podson, mabuku, ziwonetsero za nyuzipepala, wayilesi. Adakhazikitsidwa mu 1993 ndi abale Tom ndi David Gardner, MOTlele Wopusa amathandiza mamiliyoni a Achiev ...Werengani zambiri -
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Kodi ndi Ethanol potaziyamu hydroxide yanji ya sodium sulfide powonjezera kaboni kachilombo ka Carbocloride kuti apange mpweya wofiira?
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