Iindaba zeshishini
-
Yintoni iCellulose Acetate Butyrate esetyenziselwa yona
I-Cellulose Acetate Butyrate, efinyeziweyo njenge-CAB, ine-formula yekhemikhali (C6H10O5) n kunye ne-molecular weight yezigidi.Ngumgubo oqinileyo onjengento enyibilikayo kwezinye izinyibilikisi eziphilayo, ezifana neacetic acid kunye neacetic acid.Ukunyibilika kwayo kuyanda ngokunyuka kobushushu.Cellulo...Funda ngokugqithisileyo -
Yintoni iSodium Dodecylbenzenesulphonate
I-sodium dodecylbenzenesulphonate (SDBS), i-anionic surfactant, yimathiriyeli esisiseko yeekhemikhali esetyenziswa kakhulu kwishishini lemihla ngemihla lemichiza.I-sodium dodecylbenzenesulphonate ngumgubo oqinileyo, omhlophe okanye okhanyayo otyheli.Inyibilika emanzini, kulula ukufunxa ukufuma.Sodium dodecyl benzene sulfonate ha...Funda ngokugqithisileyo -
Ziziphi izinto zokufunxa ze-UV
I-Absorber ye-Ultraviolet (i-UV absorber) sisizinzi sokukhanya esinokufunxa inxalenye ye-ultraviolet yokukhanya kwelanga kunye nemithombo yokukhanya ye-fluorescent ngaphandle kokuzitshintsha.I-Absorber ye-Ultraviolet ubukhulu becala ngumgubo omhlophe wekristale, uzinzo oluhle lwe-thermal, uzinzo oluhle lweekhemikhali, ezingenambala, ezingenatyhefu, ezingenavumba ...Funda ngokugqithisileyo -
Ngaba Uyazi NgeFotoinitiator
Yintoni iifotoinitiators kwaye ungakanani ulwazi malunga neefotoinitiators?I-Photoinitiators luhlobo lwe-compound olunokuthi luthathe amandla kwi-wavelength ethile kwi-ultraviolet (250-420nm) okanye ebonakalayo (400-800nm) kummandla, ivelise i-radicals yamahhala, i-cations, njl., kwaye ngaloo ndlela iqalise i-polymerizat ye-monomer...Funda ngokugqithisileyo -
Yintoni iPolyvinylpyrrolidone (PVP)
I-Polyvinylpyrrolidone ikwabizwa ngokuba yi-PVP, inombolo ye-CAS yi-9003-39-8.I-PVP i-synthetic water-soluble polymer compound i-polymerized kwi-N-vinylpyrrolidone (NVP) phantsi kweemeko ezithile.Kwangaxeshanye, i-PVP ine-solubility egqwesileyo, uzinzo lweekhemikhali, isakhono sokwenza ifilimu, ephantsi ...Funda ngokugqithisileyo -
Ngaba uyazi malunga ne-Biodegradable Materials PLA
"Ukuphila kwekhabhoni ephantsi" kuye kwaba ngumxholo oqhelekileyo kwixesha elitsha.Kwiminyaka yakutshanje, ukukhuselwa kokusingqongileyo okuluhlaza, ugcino lwamandla, kunye nokunciphisa ukukhutshwa kwezinto ezikhutshwayo kuye kwangena ngokuthe ngcembe kumbono woluntu, kwaye kuye kwaba yinto entsha ekhuthazwayo neyandayo eluntwini.Kwi g...Funda ngokugqithisileyo -
Ngaba uyazi ukuba i-1-Methylcyclopene inokugcina entsha
UJulayi yincopho yehlobo, kwaye ngexesha lehlobo elishushu nelifumileyo, ukutya kunokuba yindawo echumileyo yeebhaktheriya nangaliphi na ixesha.Ngokukodwa iziqhamo kunye nemifuno, ukuba iziqhamo kunye nemifuno esanda kuthengwa ayigcinwanga efrijini, inokugcinwa kuphela usuku olunye.Kwaye lonke ihlobo, kukho ...Funda ngokugqithisileyo -
Yintoni iSqualane?
Uninzi lwabathandi bobuhle bachitha ixesha elininzi kunye namandla kulawulo lwesikhumba, kodwa umphumo uncinci, kwaye kusekho iingxaki ezahlukeneyo zolusu, ezikhathazwa kakhulu zizihlunu eziyingxaki.Ngokukodwa kumantombazana, kungakhathaliseki ubudala, kuyindalo yomntu ukuthanda ubuhle.Kutheni usenza umsebenzi owaneleyo we-hydration ...Funda ngokugqithisileyo -
Yintoni i-1-MCP
Ihlobo lifikile, kwaye eyona nto ididayo kumntu wonke kukugcinwa kokutya.Ukuqinisekisa njani ukutsha kokutya kube ngumba oshushu kule mihla.Ngoko ke, sifanele sizigcine njani iziqhamo nemifuno emitsha kwihlobo elishushu ngolo hlobo?Ngokujongene nale meko, kwiminyaka yakutshanje, inzululwazi ...Funda ngokugqithisileyo -
Ngaba uyazi malunga neCarbomer
Wonke umntu uyabuthanda ubuhle.Wonke umntu uthanda ukunxiba kakuhle, kungakhathaliseki ubudala, ummandla, okanye isini Ngoko ke, abantu banamhlanje bafaka ukubaluleka okukhulu kwi-skincare.Xa kuthelekiswa namadoda, abafazi bathanda ukunikela ingqalelo ngakumbi kwi-skincare.Umgangatho wabasetyhini abagqwesileyo banamhlanje kukukhanya ukusuka ...Funda ngokugqithisileyo -
Indlela Yokugcina Imifuno Neziqhamo Zintsha
Ukusukela ekuqaleni kwehlobo, amaqondo obushushu kwimimandla eyahlukeneyo aye anyuka ngokuqhubekayo.Sonke siyazi ukuba iziqhamo kunye nemifuno ithanda ukonakaliswa njengoko ubushushu bukhula.Oku kungenxa yokuba imifuno kunye neziqhamo zinezondlo ezininzi kunye nee-enzymes ngokwazo.Njengoko iqondo lobushushu...Funda ngokugqithisileyo -
Ulukhusela njani ulusu ehlotyeni
Ngokufika kwehlobo, abantu abaninzi ngakumbi banikela ingqalelo kulusu lwabo, ngakumbi abahlobo ababhinqileyo.Ngenxa yokubila okugqithisileyo kunye nokukhuselwa okuqinileyo kwe-oyile ehlotyeni, kudityaniswe nemitha ye-ultraviolet eyomeleleyo evela elangeni, kulula ukuba ulusu lutshiswe lilanga, lukhawulezise ukuguga kwesikhumba kunye ne-pigment d...Funda ngokugqithisileyo