Results 51 to 60 of about 186,351 (332)

Harnessing Carbon‐Containing Materials for Next‐Generation High‐Temperature Electromagnetic Wave Absorbers

open access: yesCarbon Energy, EarlyView.
Traditional carbon materials show limited high‐temperature oxidation resistance, which becomes pronounced above 673 K and significantly restricts their practical applicability. To address this challenge, enhancing polarization loss and leveraging its negative temperature dependence to offset the temperature‐induced increase in conductance loss are ...
Yang Li   +9 more
wiley   +1 more source

Differential Game Evading Strategy for a Flight Vehicle [PDF]

open access: yesHangkong bingqi
In modern warfare, when it is being intercepted by an attacking missile, a flight vehicle has plenty ways to defend against the attacking missile, one of which is launching a defensive missile to intercept the attacking missile before the flight vehicle ...
Xie Jiliang, Ma Kemao
doaj   +1 more source

FDA-MIMO Beampattern Synthesis with an Analytical Method

open access: yesInternational Journal of Aerospace Engineering, 2021
Since the beampattern has the characteristics of range-angle dependence, frequency diverse array multiple-input multiple-output (FDA-MIMO) radar has a good application prospect.
Changlin Zhou   +5 more
doaj   +1 more source

Sudan at War With Itself: Civilian Devastation in the Civil War

open access: yesConflict 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

Fatigue Crack Propagation Behavior of the 2195-T8 Aluminum-Lithium Alloy with a Precorroded Hole

open access: yesInternational Journal of Aerospace Engineering, 2022
This work investigated the fatigue crack propagation behavior of the 2195-T8 Al-Li alloy with precorroded holes. The microstructure, crack growth path, and the fracture surfaces of the samples with the precorroded holes have been examined with scanning ...
Dejun Liu   +4 more
doaj   +1 more source

Method of directing a laser beam with very high accuracy [PDF]

open access: yes, 1969
System will collimate and direct an argon laser beam with high angular tracking accuracy at objects on the moons surface.
Allen, L. H.   +2 more
core   +1 more source

The Continuing Quest for Missile Defense: When Lofty Goals Confront Reality

open access: yes, 2018
For almost three quarters of a century, the United States has spent billions of dollars and countless person-hours in the pursuit of a national missile defense system that would protect the country from intercontinental ballistic missiles (ICBM) carrying
Pella, Peter J.
core   +1 more source

National Identity Meaning and Attitudes Toward War, Peace, and the Future of Ukraine

open access: yesConflict 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

Parameter Identification of a Surface-to-Surface Missile from Flight Test Data [PDF]

open access: yes, 1985
This document is a detailed project proposal for estimation of aerodynamic derivatives,fuel slosh parameters and flexible: body characteristics of a surface-to-surface missile from flight test ...
Mohan Ram, VS
core  

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