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I-Action Mechanism of Stabilization of Acidified Milk Drinks by CMC Carboxymethyl cellulose (CMC) ivamise ukusetshenziswa njengesiqinisi eziphuzweni zobisi ezine-asidi ukuthuthukisa ukuthungwa kwazo, ukuzwa komlomo, nokuzinza. Indlela yokusebenza ye-CMC ekuzinziseni iziphuzo zobisi ezine-asidi ibandakanya izindlela ezimbalwa ezibalulekile...Funda kabanzi»
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Ungakhetha kanjani ama-cellulose ethers? Ukukhetha i-cellulose ether efanele kuncike ezintweni ezimbalwa, okuhlanganisa uhlelo oluthile, izici ezifiselekayo, nezidingo zokusebenza. Nakhu okunye okucatshangelwayo okubalulekile ukukusiza ukuthi ukhethe i-cellulose ether efanele: Isicelo: Cabangela inte...Funda kabanzi»
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Iyini i-Cellulose ethers I-Cellulose ethers iwumndeni wezinhlanganisela zamakhemikhali ezitholakala ku-cellulose, i-polymer yemvelo etholakala ezindongeni zamangqamuzana ezitshalo. Lokhu okuphuma ku-derivative kudalwe ngokuguqulwa kwamakhemikhali ama-molecule e-cellulose ukwethula amaqembu ahlukahlukene asebenzayo, okuholela kububanzi...Funda kabanzi»
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Yiziphi izinhlobo ze-Cellulose ether? I-cellulose ethers iyiqembu elihlukahlukene lama-polymers atholakala ku-cellulose, i-polysaccharide yemvelo etholakala ezitshalweni. Zisetshenziswa kakhulu ezimbonini ezahlukahlukene, kufaka phakathi ezokwakha, ezemithi, ukudla, izimonyo, nokunakekelwa komuntu siqu, ngenxa yokungafani kwazo ...Funda kabanzi»
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Yiziphi izici ezithinta ukugcinwa kwamanzi kwe-cellulose ether? Ama-cellulose ethers, njenge-methyl cellulose (MC) ne-hydroxyethyl cellulose (HEC), avame ukusetshenziswa njengama-ejenti agcina amanzi ezintweni zokwakha ezifana nosimende osekwe usimende namapulasi asekelwe ku-gypsum. Ukugcinwa kwamanzi o...Funda kabanzi»
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Yiziphi izinhlobo zama-ejenti okunciphisa amanzi futhi yiziphi izici zazo? Ama-ejenti anciphisa amanzi, awaziwa nangokuthi ama-plasticizers noma ama-superplasticizers, ayizithasiselo zamakhemikhali ezisetshenziswa ekuxubeni kukakhonkolo nodaka ukuze kuthuthukiswe ukusebenza kahle, ukunciphisa okuqukethwe kwamanzi, nokuthuthukisa ukusebenza kwe-materi...Funda kabanzi»
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Ungayisebenzisa kanjani i-lime emsebenzini wokwakha? I-lime ibilokhu isetshenziswa ekwakhiweni amakhulu eminyaka futhi isalokhu iyinto ebalulekile ekusetshenzisweni okuhlukahlukene, ikakhulukazi emsebenzini wokwakha nokufaka ukhonkolo. Nansi indlela umcako ongasetshenziswa ngayo ekwakheni: Ukuxuba Udaka: Umcako uvame ukusetshenziswa njengesihlanganisi ku-m...Funda kabanzi»
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Yiziphi izakhiwo zokwakha i-gypsum? Ukwakha i-gypsum, evame ukubizwa ngokuthi i-plaster yaseParis, iyinto eguquguqukayo esetshenziswa kabanzi ekwakhiweni kwezicelo ezahlukahlukene njengokuplasta izindonga nosilingi, ukudala izakhi zokuhlobisa, nokwenza isikhunta namasaka. Nawa amanye amaphuzu abalulekile...Funda kabanzi»
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Iyini imiphumela ye-lime ekusebenzeni kodaka? Umcako uyingxenye yendabuko yodaka futhi sekungamakhulu eminyaka isetshenziswa ekwakheni. Kungaba nemiphumela eminingana ebalulekile ekusebenzeni kodaka, kokubili ngokuya ngokusebenza ngesikhathi sokwakha kanye nokuqina kwesikhathi eside kwe-ma...Funda kabanzi»
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Yiziphi izakhiwo zikasimende wokwakha? Usimende we-Masonry uwuhlobo olukhethekile lukasimende olusetshenziselwa izinhlelo zokusebenza ezihlukahlukene zokwakha amatshe, njengezitini, i-blockwork, kanye nomsebenzi wamatshe. Yakhelwe ngokukhethekile ukunikeza amandla ebhondi adingekayo, ukuqina, nokusebenza okudingekayo ukuze...Funda kabanzi»
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Indlela yokukhetha isihlabathi esisetshenziselwa ukwakha udaka? Ukukhetha isihlabathi esifanele sokwakha udaka kubalulekile ekuhloniphekeni kwesakhiwo kanye nokukhanga kobuhle bephrojekthi yakho yokwakha. Nawu umhlahlandlela ongakusiza ukuthi ukhethe isihlabathi esifanele: Usayizi Wezinhlayiyana: Izinhlayiya zesihlabathi kufanele zibe yi-uni...Funda kabanzi»
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Yiziphi izici okufanele zibhekwe lapho kukhethwa ama-aggregate asetshenziselwa ukwakha udaka? Ukukhethwa kwezilinganiso zokwakha udaka kubalulekile njengoba kunomthelela ngokuqondile izakhiwo nokusebenza kodaka. Kudingeka kubhekwe izinto ezimbalwa lapho kukhethwa ama-aggregate: Izinhlayiya ...Funda kabanzi»