Results 161 to 170 of about 306,696 (351)
Cardiac reserve during weightlessness simulation and shuttle flight [PDF]
Bedrest deconditioning is suspected to reduce cardiac function. However, quantitation of subtle decreases in cardiac reserve may be difficult. Normal subjects show considerable variability in heart rate response, reflected by a relatively broadband ...
Goldberger, A. L.
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Imbalanced Surface Charge Induced Phase Segregation in Mixed Halide Perovskites
The key factor determining the phase segregation in mixed halide perovskites (MHP) is the intrinsic imbalanced surface charges in the crystal lattice. MHP films with excellent crystallinity and surface morphology can suffer severe phase segregation.
Zixin Zeng+7 more
wiley +1 more source
Weightlessness damaged the ultrastructure of knee cartilage and quadriceps muscle, aggravated the degeneration of cartilage. [PDF]
Zhou Z+7 more
europepmc +1 more source
Aerospace medicine and biology: A continuing bibliography with indexes (supplement 297) [PDF]
This bibliography lists 89 reports, articles and other documents introduced into the NASA scientific and technical information system in April ...
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Electrically Insulating Electromagnetic Interference Shielding Materials: A Perspective
Developing electromagnetic interference (EMI) shielding materials with inherent electrical insulation and high EMI shielding effectiveness is challenging but important for electronic applications. This perspective summarizes the recent advancements in designing electrically insulating EMI shielding materials and discusses the underlying mechanisms of ...
Ji Liu, Valeria Nicolosi
wiley +1 more source
Aerospace medicine in China: advancements and perspectives. [PDF]
Wang A+9 more
europepmc +1 more source
USSR Space Life Sciences Digest, volume 1, no. 4 [PDF]
An overview of the developments and direction of the USSR Space Life Sciences Program is given. Highlights of launches, program development, and mission planning are given. Results of ground-based research and space flight studies are summarized.
Paulson, L. D.
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This study presents excellent EMI shielding effectiveness of highly crystalline HC‐Ti3C2Tx MXene, characterized by high electrical conductivity, outstanding environmental stability, and facile processability, across a multispectral frequency range from 100 kHz to 110 GHz. It is revealed that increasing the thickness and electrical conductivity of MXene
Aamir Iqbal+13 more
wiley +1 more source
The Motility of Mouse Spermatozoa Changes Differentially After 30-Minute Exposure Under Simulating Weightlessness and Hypergravity. [PDF]
Ogneva IV+4 more
europepmc +1 more source
Graded refractive index (GRI) structures are prepared from the layer‐by‐layer spray coating of the mesoporous SiO2 nanoparticles, showing high solar transparency and thermal emissivity. Under outdoor conditions, after 50 days, the GRI‐coated photovoltaics show on average 6.65 ± 1.48 °C lower than that of the non‐coated references, maintaining 80.9 ± 8 ...
Heesuk Jung+14 more
wiley +1 more source