Results 81 to 90 of about 953 (263)
Advanced NanoBiomed Research, EarlyView.Bowl‐shaped Janus nanomotors with platinum, iron oxide, and polypyrrole integrate catalytic, magnetic, and electric propulsion for targeted drug delivery. They demonstrate controlled, directional motion under varying pH and hydrogen peroxide conditions, with optimal performance in neutral media.
Kimia Tavakoli Dehaghi +3 more
wiley +1 more source
, 2017 This study presents a comparison of commercially available titania nano-particles produced using electric wire explosion with nano-particles manufactured by the authors using a sol-gel synthesis process. For the present study, 20-nm titania was purchased
Johnson, Mitch +4 more
core +1 more source
AN OVERVIEW OF THE GERMAN GEL PROPULSION TECHNOLOGY PROGRAM
, 2016 Gelled fluids are homogeneous mixtures of a liquid and a gelling agent. They behave like a solid at rest in the tank but can be liquefied if a sufficiently high shear stress is applied upon injection into the combustion chamber. Gelled propellants are of
Kirchberger, C. +7 more
core
Nanosized Sodium-doped Lanthanum Manganites: role of synthetic route on their physical properties
, 2003 In this paper we present the results of the synthesis and characterization of nanocrystalline La1-xNaxMnO3+delta samples. Two synthetic routes were employed: polyacrylamide-based sol-gel and propellant synthesis.
C. B. AZZON +10 more
core +1 more source
Polymer Aging Techniques Applied to Degradation of a Polyurethane Propellant Binder [PDF]
, 1999 The oxidative thermal aging of a crosslinked hydroxy-terminated polybutadiene (HTPB)/isophorone diisocyanate (IPDI) polyurethane rubber, commonly used as the polymeric binder matrix in solid rocket propellants, was studied at temperatures of RT to 125 C.
Assink, R. A. +3 more
core
Preparation and Characterization of Nitromethane-Based Gel Propellant
Journal of the Korean Society of Propulsion Engineers, 2023 Junhyung Kim +3 more
openaire +1 more source
, 2016 LAPAN has successfully made HTPB independently. The next stage is to manufacture fuel-binder by reacting the HTPB with TDI. Stages of this test to get the gel time and the hardness that can qualify as a propellant binder.
Geni Rosita
core +1 more source
Marine silicon for biomedical sustainability
BMEMat, EarlyView.Schematic illustrating marine silicon for biomedical engineering. Abstract Despite momentous divergence from oceanic origin, human beings and marine organisms exhibit elemental homology through silicon utilization. Notably, silicon serves as a critical constituent in multiple biomedical processes.
Yahui Han +3 more
wiley +1 more source
BMEMat, EarlyView.This study reports the development of AMS@Eud core‐shell microspheres, combining calcium alginate and pH‐responsive Eudragit® L100, which exhibit exceptional gastrointestinal resistance and long‐term storage stability (only 5.28%–9.09% viability loss over 35 days at 4–25°C), and effectively alleviate inflammatory bowel disease via gut microbiota ...
Ming Teng +5 more
wiley +1 more source
, 2015 In the present study, functionally substituted bonding agents (triglycidyl isocyanurate and diglycidyl dimethylhydantoin) were incorporated into a composite propellant formulation based on carboxyl-terminated poly(butadiene-co-acrylonitrilе) and ammonium
Dimić, M. +5 more
core