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Chifukwa chiyani matailosi ena amagwa pakhoma mosavuta pambuyo poyanika zomatira?Apa ndikupatseni yankho lovomerezeka.
Kodi mwakumanapo ndi vuto ili loti matailosi amagwa pakhoma pambuyo poyanika zomatira?Vutoli limachitika pafupipafupi, makamaka m'malo ozizira.Ngati mukumata matayala akulu akulu ndi olemetsa, ndizosavuta kuchitika.Malinga ndi kuwunika kwathu, izi ndichifukwa choti ...Werengani zambiri -
Momwe mungadziwire zabwino kapena zoyipa za ufa wa polima wotayikanso?
Gwiritsani ntchito zinthu zofunika kuti muyenerere khalidwe lake 1. Maonekedwe: Maonekedwe ayenera kukhala oyera omasuka a ufa yunifolomu popanda kununkhira kowawa.zotheka khalidwe mawonetseredwe: zachilendo mtundu;chidetso;makamaka coarse particles;fungo lachilendo.2. Njira yothetsera ...Werengani zambiri -
Tiyeni tiphunzire kufunika kwa cellulose ether mumatope a simenti!
Mumatope osakaniza okonzeka, kaphatikizidwe ka cellulose kakang'ono kokha kamene kamatha kusintha kwambiri ntchito yamatope onyowa.Zitha kuwoneka kuti cellulose ether ndiye chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope.Kusankha mitundu yosiyanasiyana ya ma cellulose ether okhala ndi ...Werengani zambiri -
Kodi cellulose ether imapanga bwanji mphamvu yamatope?
Ma cellulose ether ali ndi vuto linalake lochepetsa matope.Ndi kuwonjezeka kwa mlingo wa cellulose ether, nthawi yoyika matope imatalika.Kuchedwetsa kwa cellulose ether pa phala la simenti makamaka zimatengera kuchuluka kwa m'malo mwa gulu la alkyl, ...Werengani zambiri
