Iindaba zeshishini
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Yintoni i-benzophenone-4 esetyenziselwa ukunakekelwa kwesikhumba
Ngoku abantu banokhetho oluninzi kukhathalelo lwesikhumba, izithako nje ze-sunscreen zingaphezulu kweentlobo ze-10, kodwa ezinye iimveliso zokhathalelo lwesikhumba zibonakala ngathi ukhathalelo lwesikhumba ngokwenene luya kwenzakalisa ulusu lwethu. Ngoko ke sikhetha njani iimveliso zokukhathalela ulusu olulusu lwethu? Makhe sithethe nge-benzophenone-4, ebalulekileyo ...Funda ngokugqithisileyo -
Yintoni i-PCA Na
Ngokuphuhla kwenzululwazi yale mihla kunye nobuchwepheshe kunye nokuphuculwa kwemigangatho yokuphila kwabantu, kubonakala ngathi iimfuno zezixhobo zokuthambisa zokuthambisa ziya zinyuka ngokunyuka, kwaye izithambiso ezinezithako zendalo ziya zithandwa ngakumbi ngumntu wonke. Tod...Funda ngokugqithisileyo -
Yintoni i-3-O-Ethyl-L-ascorbic acid efanelekileyo
I-3-O-Ethyl-L-ascorbic acid ineepropati ezimbini zeoli ye-hydrophilic kwaye i-chemically stable kakhulu. I-3-O-Ethyl-L-ascorbic acid, inombolo ye-cas 86404-04-8, inepropathi ye-oleophilic kunye ne-hydrophilic njenge-derivative ye-vitamin C, eyandisa ububanzi besicelo, ngakumbi kwi-chemistry yemihla ngemihla ...Funda ngokugqithisileyo -
Yintoni iGlycyrrhizic Acid Ammonium Salt
I-Glycyrrhizic acid ityuwa ye-ammonium, ikristale yenaliti emhlophe okanye i-crystalline powder, inobumnandi obunamandla, amaxesha angama-50 ukuya kwi-100 njenge-sucrose. Indawo yokunyibilika 208~212℃. Inyibilika kwi-ammonia, ayinyibiliki kwi-acetic acid ekhenkcezayo. I-Glycyrrhizic acid ityuwa yeammonium inobumnandi obuqinileyo kwaye imalunga nama-200 amaxesha okuswela...Funda ngokugqithisileyo -
Yintoni i-polyethylenimine esetyenziselwa yona
I-Polyethylenimine (PEI) yipolima enyibilikayo emanzini. Ukugxininiswa kwamanzi kwiimveliso zorhwebo ngokuqhelekileyo yi-20% ukuya kwi-50%. I-PEI yenziwe i-polymerized ukusuka kwi-ethylene imide monomer. Yipolymer ye-cationic edla ngokubonakala njengolwelo olungenambala ukuya kumthubi okanye oluqinileyo kunye nobunzima bemolekyuli...Funda ngokugqithisileyo -
Yintoni o-Cymen-5-ol
I-O-Cymen-5-OL (IPMP) isilondolozi se-antifungal esisetyenziselwa izimonyo kunye neemveliso zobuhle ukukhusela ii-microorganisms ezinobungozi ukuba ziphindaphindeke, ngaloo ndlela zandisa ubomi beshelufu yeemveliso. Ililungu losapho lwe-IsopropyI Cresols kwaye ekuqaleni yayiyikristale eyenziweyo. Ngokophando, i-0...Funda ngokugqithisileyo -
Isetyenziselwa ntoni icalcium pyrophosphate
Kufuneka sihlambe amazinyo yonke imihla, emva koko kufuneka sisebenzise intlama yamazinyo, intlama yamazinyo yimfuneko yemihla ngemihla ekufuneka isetyenziswe yonke imihla, ke kubalulekile ukukhetha intlama yamazinyo efanelekileyo. Kukho iintlobo ezininzi zentlama yamazinyo kwimarike enemisebenzi eyahlukeneyo, efana nokwenza mhlophe, ukomeleza amazinyo kunye ne-pr...Funda ngokugqithisileyo -
Isetyenziselwa ntoni i-2-hydroxyethyl methacrylate
I-2-hydroxyethyl methacrylate (HEMA) yi-organic polymerization monomer eyenziwe yi-reaction ye-ethylene oxide (EO) kunye ne-methacrylic acid (MMA), equlethe amaqela asebenzayo ngaphakathi kwe-molecule. IHydroxyethyl methacrylate luhlobo lolwelo olungenambala, olungafihliyo, noluqukuqela ngokulula. Isinyibilikisi...Funda ngokugqithisileyo -
Ngaba i-polyvinylpyrrolidone iyingozi
I-Polyvinylpyrrolidone (PVP) , inombolo ye-cas 9003-39-8，pvp yipolymer engeyiyo ionic eyona yahlukileyo, eyona ifundwe kakhulu kwaye ifundwe ngokubanzi imichiza elungileyo phakathi kweepolima ze-N-vinyl amide. Iphuhliselwe kwi-non-ionic, i-cationic, iindidi ze-anion 3, ibakala lemizi-mveliso, ibakala lamayeza, igrafu yokutya...Funda ngokugqithisileyo -
Isetyenziselwa ntoni iPolyvinylpyrrolidone?
Yintoni iPolyvinylpyrrolidone (PVP)? I-Polyvinylpyrrolidone, efinyeziweyo njenge-PVP. I-Polyvinylpyrrolidone (PVP) i-polymer ye-polymer engabonakaliyo eyenziwa yi-polymerization ye-N-vinylpyrrolidone (NVP) phantsi kweemeko ezithile. Isetyenziswa njenge-adjuvant, i-adjuvant, kunye ne-excipient kwiinkalo ezininzi ezifana ...Funda ngokugqithisileyo -
Ngaba uyayazi i-4-ISOPROPYL-3-METHYLPHENOL?
I-4-ISOPROPYL-3-METHYLPHENOL, efinyeziweyo njenge-IPMP, ingabizwa ngokuba yi-o-Cymen-5 ol / 3-Methyl-4-isopropyrphenol. I-molecular formula yi-C10H14O, ubunzima be-molecular yi-150.22, kunye nenombolo ye-CAS yi-3228-02-2. IPMP yikristale emhlophe enganyibilikiyo emanzini kwaye inyibilika kwizinyibilikisi zendalo. Hayi...Funda ngokugqithisileyo -
Ngaba i-polyglyceryl-4 laurate ikhuselekile eluswini
Abathengi abaninzi babona ukuba ezinye izinto zokuthambisa ziqulethe "i-polyglyceryl-4 laurate" le khemikhali, abazi ukusebenza kunye nesiphumo sale nto, bafuna ukwazi ukuba imveliso equlethe i-polyglyceryl-4 laurate ilungile. Kweli phepha, umsebenzi kunye nefuthe le-polyglyceryl-4 ...Funda ngokugqithisileyo