Results 11 to 20 of about 49,273 (359)

SASSANID ARMOR: BACKGROUND, DEVELOPMENT AND TECHNOLOGY [PDF]

open access: yesShedet, 2020
The aim of this article is to study the Sassanid armor types and their construction methods based on Sassanid rock reliefs, surviving fragments, armor depicted on Sassanid dishes and stone statues in Iran. The article explains the construction methods of
Manouchehr Moshtagh Khorasani   +2 more
doaj   +1 more source

Ecology of Fear: Spines, Armor and Noxious Chemicals Deter Predators in Cancer and in Nature

open access: yesFrontiers in Ecology and Evolution, 2021
In nature, many multicellular and unicellular organisms use constitutive defenses such as armor, spines, and noxious chemicals to keep predators at bay.
Joy Peplinski   +11 more
doaj   +1 more source

Weapons and Banners of Moslem Population in East Turkestan and Adjacent Territories, Mid-18th Century: A Case Study of Qinding Huangyu Xiyu Tuzhi

open access: yesМонголоведение, 2021
Introduction. The article deals with the juan (chapter) 42 of the Qing source “Qinding Huangyu Xiyu tuzhi” written in the second half of the 18th century and devoted to the weapons and banners of the Muslim population (Huibu) of the former Dzungar state.
Leonid A. Bobrov, Alexey M. Pastukhov
doaj   +1 more source

Experimental and microstructure analysis of the penetration resistance of composite structures

open access: yesScience and Engineering of Composite Materials, 2021
Composite structures (SiC/UHMWPE/TC4; SiC/TC4/UHMWPE) were designed using silicon carbide (SiC)ceramics, ultra-high-molecular-weight polyethylene (UHMWPE) laminate, and titanium alloys (TC4s).
Zou Youchun, Xiong Chao, Yin Junhui
doaj   +1 more source

Task-specific effects of modular body armor [PDF]

open access: yes, 2014
Eleven recreationally active males performed 11 circuits of military work, wearing torso armor on one occasion, and full armor on another. Performance was measured by the time taken to complete individual tasks, and the overall time to completion (TTC ...
Netto, Kevin   +4 more
core   +2 more sources

A Thermal Model for Three-Core Armored Submarine Cables Based on Distributed Temperature Sensing

open access: yesEnergies, 2021
This paper presents a procedure for the derivation of an equivalent thermal network-based model applied to three-core armored submarine cables. The heat losses of the different metallic cable parts are represented as a function of the corresponding ...
Miguel Ángel González-Cagigal   +4 more
doaj   +1 more source

Bioinspired Hemostatic and Anti‐Infective Armor for Wound Healing Assisted by Metal‐Phenol‐Polyamine System

open access: yesAdvanced Functional Materials, 2023
Hemostatic materials facilitate rapid hemostasis and significantly mitigate the potential of fatal hemorrhage in civilian and military traumas. However, most existing hemostatic materials are limited in material‐dependent forms and fail to integrate ...
Jiajia Wei   +10 more
semanticscholar   +1 more source

Spangenhelme type helmet from the Mardjani Foundation collection

open access: yesМатериалы по археологии и истории античного и средневекового Причерноморья, 2021
The article publishes a helmet from the collection of the Mardjani Foundation. This specimen belongs to the group of so-called “spangenhelme” helmets, which date from the 6th — 7th centuries.
Negin, A.E. , D'Amato, R.
doaj   +1 more source

Numerical analysis of the penetration process of a 30mm armor-piercing projectile

open access: yesVojnotehnički Glasnik, 2023
Introduction/purpose: Thin plates made of high–strength steel are frequently used both in civil and military ballistic protection systems. In order to choose an appropriate type of alloy, it is necessary to fulfil a number of criteria, such as the ...
Predrag R. Pantović   +3 more
doaj   +1 more source

Armor-Structured Interconnected-Porous Membranes for Corrosion-Resistant and Highly Permeable Waste Ammonium Resource Recycling

open access: yes, 2022
Ammonium recovery from wastewater by gas-permeable membranes is promising but suffers from the tradeoff between membrane stability and permeability under harsh operating conditions. Chemical-resistant membranes display modest permeability due to the poor
Ying Xu   +15 more
core   +1 more source

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