Results 91 to 100 of about 38,278 (273)

The strengthening and ductilization mechanisms of D406A high-strength steel treated by quenching and partitioning process

open access: yesMaterials Research Express
As a low-alloy high-strength steel, D406A steel functions as a crucial structural material for solid rocket motor casings. With the rapid advancement in solid rocket motor technology, conventional quenching and tempering (Q&T) heat-treated D406A steel ...
Weijia Ran   +5 more
doaj   +1 more source

Compassion in Practice: A Realist Review of Mentorship as a Catalyst for Healthy Workplaces

open access: yesJournal of Advanced Nursing, EarlyView.
ABSTRACT Aim To examine the contexts and mechanisms that enable compassionate mentorship in healthcare, in order to generate evidence‐informed insights for fostering healthier, more sustainable work environments. Design A rapid realist review. Data Sources Systematic searches were conducted in Ovid MEDLINE (1946–December 2024), Embase (1974–December ...
Marissa Bird   +5 more
wiley   +1 more source

Numerical simulation of cook-off characteristics for AP/HTPB

open access: yesDefence Technology, 2018
The present study is devoted to researching the thermal security problems of large-scale solid rocket motor with Ammonium perchlorate/Hydroxyl-terminated polybutadiene (AP/HTPB). A two-dimensional axisymmetric model for the cook-off of solid rocket motor
Qing Ye, Yong-gang Yu
doaj   +1 more source

SRB Environment Evaluation and Analysis. Volume 3: ASRB Plume Induced Environments [PDF]

open access: yes
Contract NAS8-37891 was expanded in late 1989 to initiate analysis of Shuttle plume induced environments as a result of the substitution of the Advanced Solid Rocket Booster (ASRB) for the Redesigned Solid Rocket Booster (RSRB). To support this analysis,
Bender, R. L.   +6 more
core   +1 more source

Who Cares: Why the Israeli–Palestinian Conflict Matters (More) to Some EU Member States

open access: yesJCMS: Journal of Common Market Studies, EarlyView.
Abstract What drives the salience of the Israeli–Palestinian conflict amongst EU member states? This article employs domestic foreign policy theories to explain the factors underlying variation in salience, estimated analysing all country statements made at the United Nations General Assembly between 1993 and 2017.
Valerio Vignoli   +2 more
wiley   +1 more source

Chemically Collapsible Mandrel for Solid Rocket Motor Processing

open access: yesJournal of Aerospace Technology and Management, 2015
Composite propellant mainly consists of two parts, binder matrix (prepolymer, plasticizer, cross linker, antioxidant and curative etc.) and solid ingredients (oxidizer, metal fuel, burn rate modifier, combustion stabilizer etc.).
Abhijit Dey   +3 more
doaj  

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

OX40/OX40L modulation: A target for regulating T cells in cutaneous inflammatory disorders

open access: yesJournal of the European Academy of Dermatology and Venereology, EarlyView.
OX40 and OX40L are a co‐stimulatory immune checkpoint pair. Modulation of this pair impacts multiple immune phenotypes and is an attractive target for immunotherapy in dermatological disorders. Trials are underway with the majority in atopic dermatitis and currently in phase 3 trials.
Aditya K. Gupta   +4 more
wiley   +1 more source

A Study on the Influence of Flight Parameters on Two-Phase Flow and Radiation in the Plume of Solid Rocket Motors

open access: yesAerospace
Based on a pre-constructed simplified chemical reaction mechanism for afterburning in exhaust plumes, this study integrates a gas–solid two-phase combustion flow model with numerical radiative transfer calculations to systematically explore the ...
Moding Peng   +4 more
doaj   +1 more source

Analytical investigation of solid rocket nozzle failure [PDF]

open access: yes
On April 5, 1983, an Inertial Upper Stage (IUS) spacecraft experienced loss of control during the burn of the second of two solid rocket motors. The anomaly investigation showed the cause to be a malfunction of the solid rocket motor. This paper presents
Hester, J., Mccoy, K. E.
core   +1 more source

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