Sithatha ingqibelelo kunye nokuphumelela kwabo bonke njengomgaqo wokusebenza, kwaye siphatha yonke ishishini ngolawulo olungqongqo kunye nenkathalo.
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Indlela yokukhetha i-Adhesive yethayile echanekileyo
Nokuba yithayile eludongeni okanye yomgangatho, loo thayile kufuneka inamathele ngokupheleleyo kumphezulu wayo osisiseko. Iimfuno ezibekwa kwi-adhesive yethayile zibanzi kwaye ziphezulu. I-adhesive yethayile kulindeleke ukuba ibambe ithayile endaweni yayo kungekuphela nje iminyaka kodwa kangangamashumi eminyaka—ngaphandle kokusilela. Kufuneka kube lula ukuyisebenzisa, kwaye kufuneka yanele...Funda ngokugqithisileyo -
Kutheni ikhabhoni esebenzayo idlala indima ebalulekileyo kunyango lwamanzi
Ukuguquguquka kwekhabhoni esebenzayo akupheli, kunezicelo ezingaphezu kwe-1,000 ezaziwayo ezisetyenziswayo. Ukusuka ekumbiweni kwegolide ukuya ekucoceni amanzi, ukuveliswa kwezinto zokutya nokunye, ikhabhoni esebenzayo inokwenziwa ngokwezifiso ukuhlangabezana neemfuno ezahlukeneyo. Iikhabhoni ezisebenzayo zenziwa ngeemoto ezahlukeneyo...Funda ngokugqithisileyo -
UKUSETYENZISWA KWE-HYDROXYPROPYLMETHYLCELLULOSE KWIIMVELISO EZISEKELWE KWISAMENTE
I-Tile Adhesive/I-Tile grout/I-Tile Bond / luhlobo oluthile lolwelo lweemveliso ezisekelwe kwisamente ezisetyenziselwa ukugcwalisa izikhewu phakathi kweethayile okanye ii-masaics. Ngokuqhelekileyo ngumxube wamanzi, isamente, isanti, nangona kunjalo, ukuba i-HPMC yongezwa, i-tile grout iya kubonisa ukusebenza kakuhle, njengokugcina amanzi ngcono,...Funda ngokugqithisileyo -
UKUTHETHA NGOKUBALULEKA KOKUGCINWA KWAMANZI KW HPMC
I-HPMC (CAS: 9004-65-3), njengesongezelelo esisetyenziswa kakhulu kwicandelo lezixhobo zokwakha, isetyenziselwa kakhulu ukugcina amanzi, ukuqina kunye nokuphucula ukusebenza kakuhle kwemveliso egqityiweyo. Izinga lokugcina amanzi lelinye lawona mabonakaliso aphambili xa ukhetha i-HPMC ekumgangatho ophezulu,...Funda ngokugqithisileyo -
Isiphumo sokungenisa umoya se-cellulose ether
Ii-cellulose ethers zii-polymers ezenziwe nge-cellulose yendalo kwaye ziguqulwe ngokweekhemikhali. I-Cellulose ether sisiphumo se-cellulose yendalo. Ngokungafaniyo nee-polymers ezenziwe nge-synthetic, ukuveliswa kwe-cellulose ether kusekelwe kwi-cellulose, eyona nto isisiseko, i-polymer compound yendalo. Ngenxa ye...Funda ngokugqithisileyo -
UKUSETYENZISWA KWE-HYDROXYPROPYL METHYL CELLULOSE KWIIMVELISO ZESUKU NEMIHLA
I-Sublimedgradehydroxypropyl methyl cellulose yipolymer eyenziweyo elungiselelwe ngokuguqulwa kweekhemikhali kwe-cellulose yendalo. I-Cellulose ether yi-derivative ye-cellulose yendalo, ukuveliswa kwe-cellulose ether kwaye i-polymer eyenziweyo yahlukile, eyona nto isisiseko yi-cell...Funda ngokugqithisileyo -
Ikhabhoni esebenzayo esemgangathweni ophezulu yokucocwa kwamanzi
Ikhabhoni esebenzayo yi-adsorbent enomxholo ophezulu wekhabhoni kunye ne-porosity ephezulu yangaphakathi, kwaye ke ngoko yindawo enkulu ekhululekileyo yokufunxa. Ngenxa yeempawu zayo, ikhabhoni esebenzayo ivumela ngokufanelekileyo ukususwa kwezinto ezingafunekiyo, ikakhulu izinto eziphilayo kunye ne-chlorine, kuzo zombini...Funda ngokugqithisileyo -
Iimpawu kunye neenzuzo zeCarbon eSebenzisiweyo engumgubo
Ngoluhlu olubanzi lweekhabhoni ezivuthisiweyo ezihlanjwe nge-asidi ecocekileyo, ezicociweyo kunye nezicocekileyo kakhulu, sinesisombululo semingeni emininzi yokucoca, kumashishini avelisa okanye asebenzisa iikhemikhali ezingamanzi. Ukufunxwa kwekhabhoni evuthisiweyo kungasetyenziselwa ukususa uluhlu olubanzi lwee-trace i...Funda ngokugqithisileyo -
Iipropati zokutyeba ze-cellulose ethers
Ii-cellulose ethers zinika i-viscosity egqwesileyo kwi-wet mortar, zandisa kakhulu amandla okubopha kwe-wet mortar kwi-substrate kwaye ziphucula ukumelana nokuwa kwe-sagging ye-mortar, kwaye zisetyenziswa kakhulu kwi-plastering mortar, kwi-brick bonding mortar nakwiinkqubo zokukhusela zangaphandle. Isiphumo sokuqina kwe...Funda ngokugqithisileyo -
Ukulungiswa kwezityalo kwiMihlaba eNgcoliswe yiMetal kusetyenziswa uhlengahlengiso lwezinto eziphilayo
I-activated carbon iqulethe izinto ze-carbonaceous ezithathwe kwi-charcoal. I-activated carbon iveliswa yi-pyrolysis yezinto eziphilayo ezivela kwizityalo. Ezi zinto ziquka amalahle, amaqokobhe ekhokhonathi kunye neenkuni, i-sugar bagasse, ii-soybean hulls kunye ne-nutshell (Dias et al., 2007; Paraskeva et al., 2008). ...Funda ngokugqithisileyo -
Ukubaluleka kweHydroxypropyl MethylCellulose (HPMC) kwiPVC
Iimveliso zeHydroxypropyl Methyl Cellulose zisetyenziswa kakhulu kwindawo yokumisa i-vinyl chloride eTshayina. Kwi-suspension polymerization ye-vinyl chloride, inkqubo esasazekileyo inempembelelo ngqo kwimveliso, i-PVC resin, nakwi-qu...Funda ngokugqithisileyo -
Iinkqubo zokuvelisa iCarbon esebenzayo
Inkqubo yokucubungula ikhabhoni esebenzayo idla ngokuquka ukwenziwa kwekhabhoni kulandelwe kukwenziwa kwezinto zekhabhoni ezivela kwimifuno. Ukwenziwa kwekhabhoni lunyango lobushushu kwi-400-800°C oluguqula izinto ezikrwada zibe yikhabhoni ngokunciphisa umxholo wezinto eziguquguqukayo kunye nokufaka...Funda ngokugqithisileyo