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Indlela yokuSebenza yokuZinzisa iziselo zobisi oluneasidi yi-CMC ICarboxymethyl cellulose (CMC) iqhele ukusetyenziswa njengesizinzisi kwiziselo zobisi ezineasidi ukuphucula ukuvakala kwazo, ukuvakala komlomo, kunye nokuzinza. Indlela yokusebenza yeCMC ekuzinziseni iziselo zobisi ezineasidi ibandakanya iinkqubo ezininzi eziphambili...Funda ngokugqithisileyo»
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Unokukhetha njani i-cellulose ethers? Ukukhetha i-ether cellulose efanelekileyo kuxhomekeke kwizinto ezininzi, kubandakanywa usetyenziso oluthile, iimpawu ezinqwenelekayo, kunye neemfuno zokusebenza. Nazi ezinye iingqwalaselo ezingundoqo zokukunceda ukhethe i-ether yeselulosi efanelekileyo: Isicelo: Qwalasela inte...Funda ngokugqithisileyo»
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Yintoni i-Cellulose ethers I-Cellulose ethers yintsapho yeekhemikhali zemichiza ephuma kwi-cellulose, i-polymer yendalo efumaneka kwiindonga zeeseli zezityalo. Ezi zinto ziphumayo zenziwa ngokuguqulwa kweekhemikhali zeemolekyuli zeselulosi ukwazisa amaqela ahlukeneyo asebenzayo, okukhokelela kububanzi...Funda ngokugqithisileyo»
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Ziziphi iintlobo zeCellulose ether? I-cellulose ethers liqela elihlukeneyo leepolymers ezivela kwi-cellulose, i-polysaccharide yendalo efumaneka kwizityalo. Zisetyenziswa kakhulu kumashishini ahlukeneyo, kubandakanya ulwakhiwo, amayeza, ukutya, izinto zokuthambisa, kunye nokhathalelo lomntu, ngenxa yokwahluka kwazo ...Funda ngokugqithisileyo»
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Zeziphi izinto ezichaphazela ukugcinwa kwamanzi kwi-cellulose ether? I-cellulose ethers, njenge-methyl cellulose (MC) kunye ne-hydroxyethyl cellulose (HEC), ziqhele ukusetyenziswa njengeejenti zokugcina amanzi kwizinto zokwakha ezifana nodaka olusekelwe kwisamente kunye ne-gypsum-based plasters. Ugcino lwamanzi o...Funda ngokugqithisileyo»
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Ziziphi iintlobo ze-agent zokunciphisa amanzi kwaye ziziphi iimpawu zabo? I-agent yokunciphisa amanzi, eyaziwa ngokuba yi-plasticizers okanye i-superplasticizers, izongezo zekhemikhali ezisetyenziswa kwikhonkrithi kunye nodaka lomxube wokuphucula ukusebenza, ukunciphisa umthamo wamanzi, kunye nokuphucula ukusebenza kwe-materi ...Funda ngokugqithisileyo»
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Indlela yokusebenzisa ikalika kumsebenzi wokwakha? Ikalika isetyenziswe ekwakhiweni kweenkulungwane kwaye ihlala iyinto exabisekileyo kwizicelo ezahlukeneyo, ngakumbi kumsebenzi wobume kunye nokutyabeka. Nantsi indlela enokusetyenziswa ngayo ikalika ekwakhiweni: Ukuxutywa kodaka: Ikalika idla ngokusetyenziswa njengesibophelelo kwi-m...Funda ngokugqithisileyo»
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Ziziphi iimpawu zokwakha igypsum? Ukwakha igypsum, eqhele ukubizwa ngokuba yi-plaster yaseParis, sisixhobo esisebenza ngeendlela ezahlukeneyo esisetyenziswa kakhulu kulwakhiwo lwezicelo ezahlukeneyo ezinje ngodonga lokutyabeka kunye nosilingi, ukwenza izinto zokuhombisa, kunye nokwenza imibundu kunye nesamente. Nazi ezinye iingongoma eziphambili...Funda ngokugqithisileyo»
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Ziziphi iimpembelelo zekalika ekusebenzeni kodaka? Ikalika licandelo lemveli lodaka kwaye ibisetyenziswa ekwakhiweni kangangeenkulungwane. Inokuba neziphumo ezininzi ezibalulekileyo ekusebenzeni kodaka, kokubini ngokusebenza ngexesha lokwakha kunye nokuqina kwexesha elide le ...Funda ngokugqithisileyo»
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Zeziphi iimpawu zesamente eyenziwe ngamatye? I-Masonry Cement luhlobo olukhethekileyo lwesamente olusetyenziselwa ulwakhiwo olwahlukileyo lolwakhiwo, njengokwenza izitena, ibhloko kunye nomsebenzi wamatye. Yenzelwe ngokukodwa ukunika amandla ebhondi eyimfuneko, ukuqina, kunye nokusebenza okufunekayo...Funda ngokugqithisileyo»
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Indlela yokukhetha isanti esetyenziselwa ukwakha udaka? Ukukhetha isanti efanelekileyo yokwakha udaka kubalulekile kulwakhiwo lwemfezeko kunye nomtsalane wobuhle beprojekthi yakho yokwakha. Nasi isikhokelo sokukunceda ukhethe isanti esifanelekileyo: Ubungakanani besuntswana: Amasuntswana esanti kufuneka abe yi-uni...Funda ngokugqithisileyo»
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Zeziphi izinto ekufuneka ziqwalaselwe ekukhethweni kwee-aggregates ezisetyenziselwa ukwakha udaka? Ukukhethwa kweeaggregates zokwakhiwa kodaka kubalulekile njengoko kuchaphazela ngokuthe ngqo iipropati kunye nokusebenza kodaka. Zininzi izinto ekufuneka ziqwalaselwe xa kukhethwa aggregates: Inqaku ...Funda ngokugqithisileyo»