Sithatha ubuqotho futhi siwine njengesimiso sokusebenza, futhi siphatha wonke amabhizinisi ngokulawula okuqinile nokunakekela.
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Indlela Yokukhetha Okunamathiselwe Kwethayela Okulungile
Kungakhathaliseki ukuthi udonga noma ithayela laphansi, lelo thayela lidinga ukunamathela ngokuphelele endaweni yalo eyisisekelo. Izidingo ezibekwe ku-adhesive tile zibanzi futhi zingumqansa. I-adhesive tile kulindeleke ukuthi ibambe i-tile endaweni hhayi nje iminyaka kodwa amashumi eminyaka-ngaphandle kokwehluleka. Kufanele kube lula ukusebenza nayo, futhi kufanele yanele...Funda kabanzi -
Kungani ikhabhoni ecushiwe idlala indima ebalulekile ekwelashweni kwamanzi
Ukuguquguquka kwekhabhoni ecushiwe akupheli, kunezinhlelo zokusebenza ezaziwayo ezingaphezu kwe-1,000 ezisetshenziswayo. Ukusuka ezimayini zegolide kuya ekuhlanzweni kwamanzi, ukukhiqizwa kwezinto zokudla nokunye, ikhabhoni ecushiwe ingenziwa ngendlela oyifisayo ukuhlangabezana nezidingo eziningi ezithize. Amakhabhoni acushiwe enziwa ngezinhlobonhlobo zezimoto...Funda kabanzi -
I-HYDROXYPROPYLMETHYLCELLULOSE UKUSETSHENZISWA KWEMIKHIQIZO ESEKELWE USISINDI
I-Tile Adhesive/Tile grout / Tile Bond / iwuhlobo oluwuketshezi olukhethekile lwemikhiqizo esekwe usimende esetshenziselwa ukugcwalisa izikhala phakathi kwamathayili noma ama-masaic. Imvamisa iyingxube yamanzi, usimende, isihlabathi, nokho, uma i-HPMC yengezwa, i-tile grout izokwethula ukusebenza okuhle kakhulu, njengokugcinwa kwamanzi okungcono, okuhle...Funda kabanzi -
UKUKHULUMA NGOKUBALULEKILE KOKUGCINA AMANZI E-HPMC
I-HPMC (CAS:9004-65-3), njengesengezo esisetshenziswa kabanzi emkhakheni wezinto zokwakha, isetshenziselwa kakhulu ukugcina amanzi, ukujiya kanye nokwenza ngcono ukusebenza komkhiqizo oqediwe.Izinga lokugcinwa kwamanzi lingenye yezinkomba eziyinhloko lapho ukhetha i-HPMC yekhwalithi ephezulu, ...Funda kabanzi -
Umphumela wokungenisa umoya we-cellulose ether
Ama-cellulose ether ama-polymer okwenziwa enziwe nge-cellulose yemvelo futhi ashintshwe amakhemikhali. I-Cellulose ether iphuma ku-cellulose yemvelo. Ngokungafani nama-polymers okwenziwa, ukukhiqizwa kwe-cellulose ether kusekelwe ku-cellulose, into eyisisekelo kakhulu, inhlanganisela ye-polymer yemvelo. Ngenxa yemininingwane...Funda kabanzi -
UKUSETSHENZISWA KWE-HYDROXYPROPYL METHYL CELLULOSE EMIKHIQIZO YANSUKU ZONKE
I-Sublimedgradehydroxypropyl methyl cellulose iyi-polymer yokwenziwa elungiswe ukuguqulwa kwamakhemikhali kwe-cellulose yemvelo. I-Cellulose ether iphuma ku-cellulose yemvelo, ukukhiqizwa kwe-cellulose ether kanye ne-polymer yokwenziwa kwehlukile, impahla yayo eyisisekelo kakhulu iseli...Funda kabanzi -
Ikhabhoni Esebenzayo Yekhwalithi Ephezulu Yokuhlanza Amanzi
Ikhabhoni ecushiwe iyi-adsorbent enokuqukethwe kwekhabhoni ephezulu kanye ne-porosity ephezulu yangaphakathi, ngakho-ke indawo enkulu yamahhala yokukhangiswa. Ngenxa yezici zayo, ikhabhoni ecushiwe ivumela ngempumelelo ukuqedwa kwezinto ezingafuneki, ikakhulukazi izinto eziphilayo kanye ne-chlorine, kukho kokubili ...Funda kabanzi -
Izici ze-Powdered Activated Carbon nezinzuzo
Ngohlu olubanzi lwamalahle, izinkuni, ukhukhunathi, i-granular, i-acidity eyimpuphu kanye ne-high purity wageza amakhabhoni acushiwe, sinesixazululo senqwaba yezinselelo zokuhlanza, ezimbonini ezikhiqizayo noma ezisebenzisa amakhemikhali awuketshezi. I-activated carbon adsorption ingasetshenziswa ukususa umkhondo obanzi...Funda kabanzi -
Ukuqina kwezakhiwo ze-cellulose ethers
Ama-cellulose ether anikeza i-viscosity enhle kakhulu odakeni olumanzi, akhuphula ngokuphawulekayo amandla okubopha odaka olumanzi ku-substrate futhi athuthukise ukumelana nokuntengantenga kodaka, futhi asetshenziswa kabanzi ekwenzeni udaka olukhonkolo, udaka oluhlanganisa izitini kanye nezinhlelo zokugqumisa ngaphandle. Ukuqina komthelela we...Funda kabanzi -
I-Phytoremediation Yenhlabathi Engcoliswe Ngensimbi Ukusebenzisa Izichibiyelo Zezinto Eziphilayo
Ikhabhoni ecushiwe iqukethe izinto zekhabhoni ezitholakala emalahleni. Ikhabhoni ecushiwe ikhiqizwa yi-pyrolysis yezinto eziphilayo zemvelaphi yezitshalo. Lezi zinto zihlanganisa amalahle, amagobolondo kakhukhunathi nokhuni, i-bagasse yomoba, izigodlo zesoya kanye namafuphi (Dias et al., 2007; Paraskeva et al., 2008). ...Funda kabanzi -
Ukubaluleka kwe-Hydroxypropyl MethylCellulose (HPMC) ku-PVC
Imikhiqizo ye-Hydroxypropyl Methyl Cellulose isetshenziswa kakhulu endaweni yokumiswa kwe-polymerization ye-vinyl chloride e-China. Ekumisweni kwe-polymerization ye-vinyl chloride, uhlelo oluhlakazekile lunomthelela oqondile kumkhiqizo, i-PVC resin, kanye ...Funda kabanzi -
Izinqubo Zokukhiqiza Ikhabhoni Ezicushiwe
Inqubo yokucubungula ikhabhoni ecushiwe ngokuvamile iqukethe i-carbonization elandelwa ukwenziwa kusebenze kwento ekhabhoni evela kwimvelaphi yemifino. I-Carbonization iwukwelapha ukushisa okuku-400-800°C okuguqula izinto ezingavuthiwe zibe ikhabhoni ngokunciphisa okuqukethwe kwezinto eziguquguqukayo kanye nokufaka...Funda kabanzi