Претраживање
Приказ резултата 741-744 од 744
Semi-interpenetrating polymer networks composed of poly(N-isopropyl acrylamide) and polyacrylamide hydrogels
(John Wiley and Sons Inc., 2004)
Three series of semi-interpenetrating polymer networks, baaed on crosslinked poly(N-isopropyl acrylamide) (PNIPA) and 1 wt % nonionic or ionic (cationic and anionic) linear polyacrylamide (PAAm), were synthesized to improve ...
The effect of segment length on some properties of thermoplastic poly(ester-siloxane)s
(John Wiley and Sons Ltd, 2003)
A series of novel thermoplastic elastomers, based on poly(dimethylsiloxane) (PDMS) as the soft segment and poly(butylene terephthalate) (PBT) as the hard segment, were synthesized by catalyzed two-step, melt transesterification ...
Immobilization of invertase on a new type of macroporous glycidyl methacrylate
(Kluwer Academic Publ, Dordrecht, 2001)
Invertase was immobilized via its carbohydrate moiety. The immobilized enzyme has a specific activity of 5500 IU g(-1), with 45% activity yield on immobilization. In a packed bed reactor, 90% 2.5 M sucrose was converted ...
Indukciona peć bez jezgra: Konstrukcija, radni parametri i primena / Coreless induction furnace: Design, operating parameters and applications
(Beograd : Srpsko livačko društvo- SLD, 2009)
Indukciona peć bez jezgra se često koriste u
oblasti livenja, zbog svojih prednosti, kao što su:
visok proizvodni učinak, dobar stepen
iskorišćenja, kvalitet i čistoća liva, homogenost
sastava i temperature, široka ...