Results 51 to 60 of about 142,443 (296)

The main indicators of the health of children and adolescents in residential zone of the facility for disposal of rocket engines [PDF]

open access: yesСаратовский научно-медицинский журнал, 2014
Aim: to evaluate the health of the children population in the area of the site location for disposal of rocket engines solid fuel. Material and methods. Analyzed the official reporting form health institutions for the period 2010-2011.
Tarakanova S.Y.
doaj  

Rocket Solid Propellant Alternative Based on Ammonium Dinitramide [PDF]

open access: yesINCAS Bulletin, 2017
Due to the continuous run for a green environment the current article proposes a new type of solid propellant based on the fairly new synthesized oxidizer, ammonium dinitramide (ADN).
Grigore CICAN, Alexandru-Daniel MITRACHE
doaj   +1 more source

Critical Electrochemistry Technologies Applicable in Space Exploration

open access: yesAdvanced Science, EarlyView.
The available resources in space and discuss the application scenarios and challenges of electrochemical methods in four critical domains is analyzed: metallurgical processing of mineral resources, water resources utilization, carbon cycle management in extraterrestrial habitats, and electrical energy storage.
Ruisi Xu   +4 more
wiley   +1 more source

Innovative Approach to Recycle Lithium‐Ion Battery Electrolytes via Sequential Chemical Processes

open access: yesAdvanced Energy Materials, EarlyView.
A chemical separation method is developed to recycle and purify nonaqueous electrolytes from spent lithium‐ion batteries. The new process consists of a sequence of precipitation in tandem with each distillation and solvent‐assisted vacuum extraction to obtain high‐quality electrolyte precursors.
Ting‐Wei Hsu   +2 more
wiley   +1 more source

Electrical apparatus for detection of thermal decomposition of insulation Patent [PDF]

open access: yes, 1971
Electrical failure detector in solid rocket propellant motor insulation against thermal degradation by fuel ...
Bernsen, B.
core   +1 more source

Impact of Advances in Anion Exchange Membranes and Ionomers on Alkaline Fuel Cells

open access: yesChemistry – An Asian Journal, EarlyView.
Advances in anion exchange membranes (AEMs) and ionomer design have propelled alkaline fuel cells toward unprecedented performance, with peak power densities exceeding 3.5 W cm⁻2. This review highlights how molecular‐level innovations— stable hydrocarbon backbones, robust cationic groups, and pH‐gradient‐enabled bipolar interfaces—enable durable, high ...
Zhongyang Wang   +3 more
wiley   +1 more source

The Value Chain of Sustainable Dual Carbon Sodium Ion Capacitors

open access: yesBatteries &Supercaps, EarlyView.
Sodium‐ion capacitors (SICs) bridge the energy‐power gap between batteries and supercapacitors, offering sustainable and scalable energy storage solutions. This review provides a 360‐degree perspective on SIC technology, covering material choices, presodiation strategies, manufacturing challenges, applications and life cycle assessment to ensure ...
Roman Mysyk   +23 more
wiley   +1 more source

Performance Comparison Between Two Different Injector Configurations in a Hybrid Rocket [PDF]

open access: yes, 2007
Mass flux and pressure are usually considered the main parameters affecting the fuel regression rate in hybrid rockets, whereas the influence of the oxidiser injector is often neglected. Nevertheless, in some specific configurations, even in conventional
CARMICINO, CARMINE, RUSSO, ANNAMARIA
core   +1 more source

Architectural Design and Affecting Factors of Jute‐Based Flame‐Retardant Textiles for Real‐World Applications

open access: yesNano Select, EarlyView.
Jute‐based flame‐retardant textiles are eco‐friendly materials used in home textiles, firefighting gear, and insulation. Developed through coating, exhaustion, and chemical treatments, they offer safety, scalability, and versatility. Challenges include cost, durability, and environmental impact.
Md. Nazif Hasan Chowdhury   +4 more
wiley   +1 more source

Solid propellant rocket motor and method of making same [PDF]

open access: yes, 1977
A method is described for making a solid propellant rocket motor having a specific concavity formed within the fuel charge. A mandrel with an aperature wider than that of the casing is inserted within the motor casing and a solidifiable propellant cast ...
Lewis, D. J., Thibodaux, J. G., Jr.
core   +1 more source

Home - About - Disclaimer - Privacy