Results 71 to 80 of about 55,411 (278)

Additive manufacturing-induced anisotropy in damping performance of a dual-phase high-entropy alloy

open access: yesJournal of Materials Research and Technology
Additive manufacturing (AM) can endow materials with specific microstructures, inducing anisotropy. In this study, we employed the AM technique to fabricate a dual-phase high-entropy alloy (HEA) and evaluated the damping properties of this alloy cut ...
Yadong Li   +5 more
doaj   +1 more source

Quasi-Periodic Oscillatory Motion of Particles Orbiting a Distorted, Deformed Compact Object

open access: yesUniverse, 2021
This work explores the dynamic properties of test particles surrounding a distorted, deformed compact object. The astrophysical motivation was to choose such a background as to constitute a more reasonable model of a real situation that arises in the ...
Shokoufe Faraji, Audrey Trova
doaj   +1 more source

Water Electrolysis Technologies for Extraterrestrial Water Resource Conversion

open access: yesEcoEnergy, EarlyView.
This paper reviews four water electrolysis technologies for extraterrestrial water conversion: alkaline water electrolysis, proton exchange membrane water electrolysis, solid oxide water electrolysis, and anion exchange membrane water electrolysis. It elaborates on their mechanisms, components, and integration, highlighting challenges such as water ...
Yawen Jiang   +6 more
wiley   +1 more source

Experimental and numerical study on capillary flow along deflectors in plate surface tension tanks in microgravity environment

open access: yesAIP Advances, 2019
Surface tension tanks are the most widely used satellite propellant tanks, which use liquid surface tension for liquid transportation and gas-liquid separation to provide pure propellant for thruster.
Shangtong Chen   +3 more
doaj   +1 more source

Bioinformatic analysis of the RNA expression patterns in microgravity-induced bone loss

open access: yesFrontiers in Genetics, 2022
Researchers have linked microgravity in space to the significant imbalance between bone formation and bone resorption that induces persistent bone loss in load-bearing bones.
Xiaoyan Zhang   +11 more
doaj   +1 more source

Interplanetary frontiers: terraforming from an invasion science perspective

open access: yesOikos, EarlyView.
The pursuit of a multi‐planetary existence represents one of humanity's greatest frontiers. If applied justly, it offers an opportunity to extend its civilization's lifespan amid escalating sustainability crises on Earth. One approach increasingly gaining traction is terraforming, a hitherto theoretical ecological and evolutionary experiment revolving ...
Teun Everts   +2 more
wiley   +1 more source

The Study of the Mechanism of Protein Crystallization in Space by Using Microchannel to Simulate Microgravity Environment

open access: yesCrystals, 2018
Space is expected to be a convection-free, quiescent environment for the production of large-size and high-quality protein crystals. However, the mechanisms by which the diffusion environment in space improves the quality of the protein crystals are not ...
Yong Yu, Kai Li, Hai Lin, Ji-Cheng Li
doaj   +1 more source

Simulated microgravity compromises mouse oocyte maturation by disrupting meiotic spindle organization and inducing cytoplasmic blebbing. [PDF]

open access: yesPLoS ONE, 2011
In the present study, we discovered that mouse oocyte maturation was inhibited by simulated microgravity via disturbing spindle organization. We cultured mouse oocytes under microgravity condition simulated by NASA's rotary cell culture system, examined ...
Changli Wu   +7 more
doaj   +1 more source

Pool Boiling Heat Transfer in Microgravity

open access: yes, 2008
The pool boiling heat transfer of FC-72 on a plain plate with a heating area of 15*15 mm2 in different pressure and subcooling has been studied experimentally both in normal gravity on the ground and in microgravity aboard the Chinese recoverable ...
王双峰   +4 more
core   +2 more sources

Microgravity protein crystallization [PDF]

open access: yesnpj Microgravity, 2015
Abstract Over the past 20 years a variety of technological advances in X-ray crystallography have shortened the time required to determine the structures of large macromolecules (i.e., proteins and nucleic acids) from several years to several weeks or days. However, one of the remaining challenges is the ability to produce diffraction-
Mcpherson, Alexander, DeLucas, Lawrence
openaire   +4 more sources

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