Results 1 to 10 of about 4,212 (194)
The Passage of Chaperonins to Extracellular Locations in Legionella pneumophila Requires a Functional Dot/Icm System [PDF]
BiomoleculesHtpB, the chaperonin of the bacterial pathogen L. pneumophila, is found in extracellular locations, even the cytoplasm of host cells. Although chaperonins have an essential cytoplasmic function in protein folding, HtpB exits the cytoplasm to perform ...
Peter Robertson +2 more
doaj +2 more sources
Enhanced gas and plasticizer barrier HTPB composite liner implanted with parallel orientation Fe3O4/RGO nanosheets by an ultrasound/magnet-coassisted method [PDF]
Ultrasonics SonochemistryIt is of great significance to prepare liners with excellent inhibition of energetic plasticizer migration and gas barrier properties. Here, we have successfully prepared magnetic iron oxide decorated reduced-graphene-oxide nanosheets (MRGO) by using ...
Zhehong Lu +9 more
doaj +2 more sources
Combustion and mechanical properties enhancement strategy based on stearic acid surface activated boron powders [PDF]
Scientific ReportsBoric acid and other impurities on the surface of boron (B) particles can interact with hydroxyl-terminated polybutadiene (HTPB), weakening the mechanical properties and energy release efficiency of boron-based solid rocket propellants.
Jiaxin Lu +5 more
doaj +2 more sources
Molecules, 2023 Hydroxyl-terminated polybutadiene (HTPB)-based piezoelectric polymer (m-HTPB) is prepared for the first time by functionalized branch chain modification strategy.
Bo Yuan +4 more
doaj +1 more source
Polymer Testing, 2021 Hydroxy-terminated oligomers with narrow molecular weight distribution using as soft segment of polyurethane can significantly increase the modulus, tensile strength, and elongation at break of the polyurethane.
Lingxiao Ma +5 more
doaj +1 more source
Polymer Testing, 2022 Series of rheokinetic studies involving pure HTPB with high content of 1,2-vinyl groups, binder systems with HTPB, IPDI and DBTDL, and energetic systems containing RDX, HTPB binder system and hydantoin-based bonding agent were conducted.
Karol Zalewski +2 more
doaj +1 more source
Research progress in preparation technology of hydroxyl-terminated butadiene liquid rubber
Hecheng xiangjiao gongye, 2023 The performance characteristics and application fields of hydroxy-terminated polybuta-diene (HTPB) liquid rubber were summarized, the preparation methods and characteristics of HTPB were reviewed with 32 references, and various me-thods were summarized ...
LIU Sheng-nan1,2, AI Chun-jin1,2, ZHANG Ding-jun1,2, LI Dong1,2
doaj +1 more source
Aerospace, 2023 The slow regression rate induced by the high pyrolysis difficulty has limited the application and development of hydroxyl-terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion.
Hongsheng Yu +5 more
doaj +1 more source
مروری کوتاه بر اثر ریزساختار پلیبوتادی ان خاتمهیافته با هیدروکسیل (HTPB) بر عمرکاربری سامانه پیونده برپایه آن [PDF]
Baspārish, 2020 دوغاب سامانه پیونده برپایه پلیبوتادیان خاتمهیافته با هیدروکسیل (HTPB) باید در پایان مرحله اختلاط، گرانروی مناسبی داشته باشد تا ریختهگری بهآسانی انجام شود.
عباس کبریتچی +1 more
doaj +1 more source
Preliminary Study on Characteristics of NC/HTPB-Based High-Energy Gun Propellants
ChemEngineering, 2022 This study mainly explored the characteristics of NC/HTPB-based high-energy gun propellants with RDX, CL-20 or TKX-50 by experimental method. Three series of test samples were prepared referring to the formulation of M1 single-base gun propellant (M1 SBP)
Yi-Hsien Lin +4 more
doaj +1 more source