Results 61 to 70 of about 11,182 (245)
Carbon Energy, EarlyView.An expandable‐thickness graphene block (GPB) with high thermal conductivity synthesized through multiscale blending and multistage pressure induction (MBP) achieves a record thickness of 12.1 mm, which is more than 10 times that of existing graphene materials. The maximum thermal diffusion ability of GPB‐MBP reaches 6.3 W/K, which offers a new approach
Liyu Zhang +9 more
wiley +1 more source
THE STRUCTURES AND NONUNIFORM ACCELERATION [PDF]
Fiabilitate şi Durabilitate, 2012 This paper deals with stress calculation procedures which can be applied to axially symetrical structures, nonuniformly accelerated. The equations governing the stress status and the basic hypotheses are presented. Also, the mathematical model is applied
Octavian ORBAN, Mircea CERNAT
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Computer realization of a system for torpedo homing on a vessel path
Vojnotehnički Glasnik, 1998 The possibility to replace an existing torpedo homing device by computer components has been analyzed in the paper. The operating principle of the existing device has been presented together with its block-diagram as well as the path of a torpedo guided ...
Miroslav Radosavljević
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In Situ Methanation on Mars: A Process Concept Study on the Impact of H2/CO2 and Recycle Ratio
Chemie Ingenieur Technik, EarlyView.The rocket propellant methane can be produced on Mars by in situ resource utilization. The H2/CO2 ratio is decisive, and excess H2 is favored for providing sufficient propellant purity. The operation mode—with or without recycling of unreacted reactants—depends on the resource availability of the selected landing site. Abstract For return missions from
Franz Braun +4 more
wiley +1 more source
Projectile Velocity and Crater Formation in Water
International Scholastic Journal of Science, 2010 The relationship between the velocity of impact and maximum crater diameter was found for two steel balls dropped into water using 300 fps video. The maximum diameter of the crater was found to be proportional to the impact velocity and independent of ...
Pravitra Chaikulngamdee +3 more
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Applied SciencesRemediation of formerly used war zones requires knowledge of the depth of burial (DoB) of unexploded ordnances (UXOs). The DoB can vary greatly depending on soil and ballistic conditions, and their associated uncertainties.
Boules N. Morkos +3 more
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Sudan at War With Itself: Civilian Devastation in the Civil War
Conflict Resolution Quarterly, EarlyView.ABSTRACT A civil war is raging in Sudan between the Sudan Armed Forces (SAF) and the Rapid Support Forces (RSF) along with militia groups. Beginning on April 15, 2023, and continuing at least to this writing (October 15, 2025), civilian noncombatants have been subjected to bombings, beatings, torture, shootings, rape, and murder on a large scale. Since
Daniel Rothbart +3 more
wiley +1 more source
National Identity Meaning and Attitudes Toward War, Peace, and the Future of Ukraine
Conflict Resolution Quarterly, EarlyView.ABSTRACT The link between attitudes and social identity is complex, influencing perceptions, motivations, and actions. Social psychological research mainly focused on the role of attitude in identity formation, particularly in the contexts of social movements and collective action.
Karina V. Korostelina +6 more
wiley +1 more source
Xibei Gongye Daxue XuebaoBased on the volume of fluid multiphase flow model and the overset mesh technique, a numerical method for an asynchronous parallel oblique water-entry super-cavitating projectile was established.
GAO Cisong +6 more
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Exploration of Wave Development during Yarn Transverse Impact
Fibers, 2017 Single yarns have been impacted in a transverse fashion so as to probe the characteristics of resulting wave development. Longitudinal wave speeds were tracked in efforts to directly measure the yarn tensile stiffness, resulting in a slight increase in ...
Matthew Hudspeth +4 more
doaj +1 more source