Results 81 to 90 of about 271,699 (362)

Ultra‐Compact Cellular Structured Bio‐Carbon Aerogels Supported PCM for Exceptional Thermal Insulation and Radiation Shielding for Space Applications

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Irradiation‐induced high‐efficiency thermal insulation applied to complex thermal management environments: a novel biomass‐based phase change thermal insulation material (CCA/PEG). Integrating phase change materials (PCM) into thermal insulation materials offers a novel approach to aerospace thermal protection.
Zihao Zhao   +3 more
wiley   +1 more source

An Integrated Method for Microwave Absorption and External Thermal Flow Simulation in SAR Antenna Vacuum Thermal Tests

open access: yesSensors
The simulation of microwave absorption and external thermal flow is an essential aspect of the vacuum thermal testing process for Synthetic Aperture Radar (SAR) antenna.
Shangjie Pan   +4 more
doaj   +1 more source

Common approach to solving SGEMP, DEMP, and ESD survivability [PDF]

open access: yes, 1977
System Generated Electromagnetic Pulse (SGEMP) and Dispersed Electromagnetic Pulse DEMP) are nuclear generated spacecraft environments. Electrostatic discharge (ESD) is a natural spacecraft environment resulting from differential charging in magnetic ...
Ling, D.
core   +1 more source

Contactless Conductivity Detection for Capillary Electrophoresis—Developments From 2020 to 2024

open access: yesELECTROPHORESIS, EarlyView.
ABSTRACT The review covering the development of capillary electrophoresis with capacitively coupled contactless conductivity detection from 2020 to 2024 is the latest in a series going back to 2004. The article considers applications employing conventional capillaries and planar lab‐on‐chip devices as well as fundamental and technical developments of ...
Peter C. Hauser, Pavel Kubáň
wiley   +1 more source

Bonding of Hydrogel to Biometal Surfaces: Principles, Methods and Applications

open access: yesExploration, EarlyView.
This article reviews the research progress of hydrogel coatings on biometal surfaces, focusing on biometal surface pretreatment methods, hydrogel‐biometal bonding methods, and applications of hydrogel coatings on biometal surfaces. The article also discusses potential future applications of hydrogel coatings on biometal surfaces to provide a broader ...
Yujie Zhou   +10 more
wiley   +1 more source

Spacecraft Antennas [PDF]

open access: yes, 1990
Some of the various categories of issues that must be considered in the selection and design of spacecraft antennas for a Personal Access Satellite System (PASS) are addressed, and parametric studies for some of the antenna concepts to help the system ...
Cramer, Paul   +3 more
core   +1 more source

Perspective Projection of an Ellipse and an Ellipsoid for Analytical View Factor Evaluation

open access: yesHeat Transfer, EarlyView.
ABSTRACT Radiative view factors are fundamental quantities for evaluating radiative heat transfer between different surfaces. While analytical expressions of view factors have been evaluated for various types of basic geometries, including circular disks and spheres, extending these solutions to more complex geometries, such as ellipses and ellipsoids ...
Kaname Sasaki
wiley   +1 more source

Effect of Atomic Oxygen on Electric Properties of Graphene Films

open access: yesCailiao gongcheng, 2017
The resistance and the surface morphology of the graphene films were studied after atomic oxygen exposure. The graphene films can be etched away during atomic oxygen exposure, the resistance of graphene films decreases at first and then increases.
LIU Yu-ming   +4 more
doaj   +1 more source

The Interplanetary Network Supplement to the BeppoSAX Gamma-Ray Burst Catalogs [PDF]

open access: yes, 2010
Between 1996 July and 2002 April, one or more spacecraft of the interplanetary network detected 787 cosmic gamma-ray bursts that were also detected by the Gamma-Ray Burst Monitor and/or Wide-Field X-Ray Camera experiments aboard the BeppoSAX spacecraft ...
A. B. Sanin   +58 more
core   +2 more sources

Ion Source Complementarity for Characterization of Complex Organic Mixtures Using Fourier Transform Mass Spectrometry: A Review

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Complex organic mixtures are found in many areas of research, such as energy, environment, health, planetology, and cultural heritage, to name but a few. However, due to their complex chemical composition, which holds an extensive potential of information at the molecular level, their molecular characterization is challenging.
Charlotte Mase   +5 more
wiley   +1 more source

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