Results 21 to 30 of about 428,569 (278)

A stealth health approach to dietary fibre [PDF]

open access: yes, 2022
Average dietary fibre intakes have increased little in the past twenty years in many countries, including the USA1. Multi-million-dollar campaigns promoting fruits, vegetables, whole grains and other foods high in fibre have delivered only small changes ...
Greenspan, Steve   +15 more
core   +1 more source

Infrared camouflage and radar compatible stealth structure based on metamaterial

open access: yesOptical Materials Express, 2023
In this study, an infrared camouflage and radar compatible stealth structure based on metamaterial is designed and fabricated. Two types of frequency selective surfaces (FSS) with different infrared emissivity values are arranged into a specific pattern, which is similar to a visible camouflage pattern.
Chang Yang   +4 more
openaire   +1 more source

Ultrabroad Microwave Absorption Ability and Infrared Stealth Property of Nano-Micro CuS@rGO Lightweight Aerogels

open access: yesNano-Micro Letters, 2022
Developing ultrabroad radar-infrared compatible stealth materials has turned into a research hotspot, which is still a problem to be solved. Herein, the copper sulfide wrapped by reduced graphene oxide to obtain three-dimensional (3D) porous network ...
Yue Wu   +6 more
doaj   +1 more source

Laser and infrared compatible stealth from near to far infrared bands by doped photonic crystal [PDF]

open access: yes, 2011
Photonic crystals can realize broadband thermal infrared stealth based on its high-reflection photon forbidden band. By forming a “hole-digging” reflection spectrum of doped photonic crystals at military laser wavelength of 1.06μm and 10.6μm, compatible ...
Zhao, Xuanke   +5 more
core   +1 more source

A reflective-backing-free metamaterial absorber with broadband response [PDF]

open access: yesJournal of Advanced Dielectrics, 2017
In this paper, we propose a polarization-independent and broadband perfect infrared (IR) metamaterial absorber (MA) without reflective backing. The proposed absorber is a periodic meta-atom array consisting of metal-dielectric-multilayer truncated cones ...
Cuilian Xu   +6 more
doaj   +1 more source

Coupling of Epsilon-Near-Zero Mode to Mushroom-Type Metamaterial for Optimizing Infrared Suppression and Radiative Cooling

open access: yesPhotonic Sensors, 2022
We report a complementary metal oxide semiconductor (CMOS) compatible metamaterial-based spectrally selective absorber/emitter (MBSSAE) for infrared (IR) stealth, which has the low absorption/emissivity in the IR atmospheric transmission window (3 µm–5 ...
Jiacheng Li   +4 more
doaj   +1 more source

Tunable Infrared Detection, Radiative Cooling and Infrared-Laser Compatible Camouflage Based on a Multifunctional Nanostructure with Phase-Change Material

open access: yesNanomaterials, 2022
The nanostructure composed of nanomaterials and subwavelength units offers flexible design freedom and outstanding advantages over conventional devices.
Mingyu Luo   +7 more
doaj   +1 more source

Compatible solutes from hyperthermophiles improve the quality of DNA microarrays [PDF]

open access: yes, 2007
Background: DNA microarrays are among the most widely used technical platforms for DNA and RNA studies, and issues related to microarrays sensitivity and specificity are therefore of general importance in life sciences.
Liu Chang-Gong   +68 more
core   +1 more source

Design and spectral performance research of infrared stealth multilayer film based on phase change material GST

open access: yes四川大学学报. 自然科学版, 2021
In order to achieve infrared stealth under different background temperatures, it is necessary to study infrared stealth materials with adjustable emissivity.
LI Si-Rui   +5 more
doaj  

Bio-inspired Artificial Helical Chromatophore for Stealth Mode [PDF]

open access: yes, 2020
Stealth technology has been very usefully applied in the military fields and is now becoming more prominent as a strategic technology. In nature, the firefly squid can protect itself from enemies using camouflage as a stealth mode.
duck weon, lee
core   +1 more source

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