Izindaba Zemboni
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Iyini I-Cellulose Acetate Butyrate Isetshenziselwa
I-Cellulose Acetate Butyrate, efushanisiwe njenge-CAB, inefomula yamakhemikhali (C6H10O5) n kanye nesisindo samangqamuzana ezigidi.Kuyimpushana eqinile encibilika kwezinye izincibilikisi eziphilayo, njenge-acetic acid ne-acetic acid.Ukunyibilika kwayo kukhuphuka ngokukhuphuka kwezinga lokushisa.Cellulo...Funda kabanzi -
Iyini i-Sodium Dodecylbenzenesulphonate
I-sodium dodecylbenzenesulphonate (SDBS), i-anionic surfactant, iyi-chemical material eluhlaza esetshenziswa kabanzi embonini yamakhemikhali yansuku zonke.I-sodium dodecylbenzenesulphonate iyimpushana eqinile, emhlophe noma ekhanyayo ephuzi.Incibilika emanzini, kulula ukumunca umswakama.I-sodium dodecyl benzene sulfonate ha...Funda kabanzi -
Yiziphi ama-absorbers e-UV
I-Absorber ye-Ultraviolet (i-UV absorber) iyisinzinzisi sokukhanya esingamunca ingxenye ye-ultraviolet yemithombo yokukhanya ye-fluorescent ngaphandle kokuzishintsha.I-Absorber ye-Ultraviolet ngokuvamile iyimpushana emhlophe ecwebezelayo, ukuzinza okuhle kokushisa, ukuzinza okuhle kwamakhemikhali, okungembala, okungewona ubuthi, akunaphunga...Funda kabanzi -
Ingabe Uyazi Nge-Photoinitiator
Ayini ama-photoinitiators futhi kungakanani okwaziyo ngama-photoinitiators?Ama-Photoinitiators awuhlobo lwenhlanganisela ekwazi ukumunca amandla kubude beza obuthile endaweni ye-ultraviolet (250-420nm) noma ebonakalayo (400-800nm), ikhiqize ama-radicals mahhala, ama-cations, njll., futhi ngaleyo ndlela iqalise i-polymerizat ye-monomer...Funda kabanzi -
Iyini i-Polyvinylpyrrolidone (PVP)
I-Polyvinylpyrrolidone ibizwa nangokuthi i-PVP, inombolo ye-CAS yi-9003-39-8.I-PVP iyinhlanganisela ye-polymer encibilikayo ngokuphelele yokwenziwa emanzini eyenziwe i-polymerized isuka ku-N-vinylpyrrolidone (NVP) ngaphansi kwezimo ezithile.Ngasikhathi sinye, i-PVP inokunyibilika okuhle kakhulu, ukuzinza kwamakhemikhali, amandla okwenza ifilimu, okuphansi ...Funda kabanzi -
Ingabe Uyazi Nge-Biodegradable Materials PLA
"Ukuphila kwekhabhoni ephansi" sekuphenduke isihloko esivamile enkathini entsha.Eminyakeni yamuva nje, ukuvikelwa kwemvelo okuluhlaza, ukongiwa kwamandla, kanye nokunciphisa ukungcola kuye kwangena kancane kancane embonweni womphakathi, futhi sekuphenduke umkhuba omusha okhuthazwayo noya ngokuya udumile emphakathini.Ku-g...Funda kabanzi -
Uyazi ukuthi i-1-Methylcyclopene ingagcina iyintsha
UJulayi uyisiqongo sehlobo, futhi phakathi nehlobo elishisayo nelinomswakama, ukudla kungaba indawo evundile yamagciwane nganoma yisiphi isikhathi.Ikakhulukazi izithelo nemifino, uma izithelo nemifino esanda kuthengwa ingagcinwa esiqandisini, ingagcinwa usuku olulodwa kuphela.Futhi njalo ehlobo, kukhona ...Funda kabanzi -
Iyini i-Squalane?
Abathandi bobuhle abaningi bachitha isikhathi esiningi namandla ekulawuleni isikhumba, kodwa umphumela mncane, futhi kusenezinkinga zesikhumba ezihlukahlukene, ezihlushwa kakhulu yimisipha eyinkinga.Ikakhulukazi emantombazaneni, kungakhathaliseki ubudala, kuyimvelo yomuntu ukuthanda ubuhle.Kungani wenza umsebenzi owanele we-hydration ...Funda kabanzi -
Yini i-1-MCP
Ihlobo selifikile, futhi into edida kakhulu kuwo wonke umuntu ukugcinwa kokudla.Indlela yokuqinisekisa ubusha bokudla sekuyindaba esematheni kulezi zinsuku.Ngakho-ke kufanele sizigcine kanjani izithelo nemifino emisha ehlobo elishisa kangaka?Uma sibhekene nalesi simo, eminyakeni yamuva nje, isayensi...Funda kabanzi -
Ingabe Uyazi NgeCarbomer
Wonke umuntu unothando ngobuhle.Wonke umuntu uthanda ukugqoka kahle, kungakhathaliseki ubudala, isifunda, noma ubulili Ngakho-ke, abantu banamuhla bafaka ukubaluleka okukhulu ekunakekeleni isikhumba.Uma kuqhathaniswa namadoda, abesifazane bavame ukunaka kakhulu ukunakekelwa kwesikhumba.Indinganiso yabesifazane besimanje abahle ukugqama kusuka ...Funda kabanzi -
Ungayigcina Kanjani Imifino Nezithelo Kukusha
Kusukela ekuqaleni kwehlobo, amazinga okushisa ezifundeni ezihlukahlukene abelokhu anda ngokuqhubekayo.Sonke siyazi ukuthi izithelo nemifino kujwayele ukonakala njengoba izinga lokushisa likhuphuka.Lokhu kungenxa yokuthi imifino nezithelo kuqukethe imisoco eminingi nama-enzyme ngokwawo.Njengezinga lokushisa...Funda kabanzi -
Usivikela Kanjani Isikhumba Ehlobo
Ngokufika kwehlobo, bayanda abantu abanaka isikhumba sabo, ikakhulukazi abangani besifazane.Ngenxa yokujuluka ngokweqile nokuphuma kwamafutha aqinile ehlobo, kuhlanganiswe nemisebe enamandla ye-ultraviolet evela elangeni, kulula ngesikhumba ukushiswa yilanga, kusheshise ukuguga kwesikhumba kanye ne-pigment d...Funda kabanzi