Results 11 to 20 of about 6,136,424 (429)
Hemolysis contributes to anemia during long-duration space flight [PDF]
Anemia in astronauts has been noted since the first space missions, but the mechanisms contributing to anemia in space flight have remained unclear.
G. Trudel+4 more
semanticscholar +2 more sources
Melatonin is a potential drug for the prevention of bone loss during space flight [PDF]
Astronauts experience osteoporosis‐like loss of bone mass because of microgravity conditions during space flight. To prevent bone loss, they need a riskless and antiresorptive drug. Melatonin is reported to suppress osteoclast function.
M. Ikegame+52 more
semanticscholar +2 more sources
Osteocyte biology and space flight [PDF]
The last decade has seen an impressive expansion of our understanding of the role of osteocytes in skeletal homeostasis. These amazing cells, deeply embedded into the mineralized matrix, are the key regulators of bone homeostasis and skeletal mechano sensation and transduction. They are the cells that can sense the mechanical forces applied to the bone
Chris Adamson+4 more
openaire +3 more sources
Association of Space Flight With Problems of the Brain and Eyes
This study explores the association of cerebrospinal fluid pressure and brain upward shift with space flight–associated neuroocular syndrome in postflight astronauts.
Ari Shinojima, I. Kakeya, Satoru Tada
semanticscholar +2 more sources
Is space flight arrhythmogenic? [PDF]
O. V. Popova, V. B. Rusanov
openaire +4 more sources
Performance analysis of control allocation using data‐driven integral quadratic constraints
Abstract A new method is presented for evaluating the performance of a nonlinear control allocation system within a linear control loop. To that end, a worst‐case gain analysis problem is formulated that can be readily solved by means of well‐established methods from robustness analysis using integral quadratic constraints (IQCs).
Manuel Pusch+2 more
wiley +1 more source
Neural-Fly enables rapid learning for agile flight in strong winds [PDF]
Executing safe and precise flight maneuvers in dynamic high-speed winds is important for the ongoing commoditization of uninhabited aerial vehicles (UAVs).
M. O'Connell+6 more
semanticscholar +1 more source
The description and validation of the computationally Efficient CH4–CO–OH (ECCOHv1.01) chemistry module for 3-D model applications [PDF]
We present the Efficient CH4–CO–OH (ECCOH) chemistry module that allows for the simulation of the methane, carbon monoxide, and hydroxyl radical (CH4–CO–OH) system, within a chemistry climate model, carbon cycle model, or Earth system model.
Y. F. Elshorbany+4 more
doaj +1 more source
In-flight performance and calibration of the Infrared Array Camera (IRAC) for the Spitzer Space Telescope [PDF]
The Infrared Array Camera (IRAC) is one of three focal plane instruments on board the Spitzer Space Telescope. IRAC is a four-channel camera that obtains simultaneous broad-band images at 3.6, 4.5, 5.8, and 8.0 μm in two nearly adjacent fields of view ...
G. Fazio+64 more
semanticscholar +1 more source
Planets close to their stars experience an interplanetary magnetic field (IMF) that is dominantly quasi-radial. Our solar system serves as a laboratory to study how the occurrence of quasi-radial IMF varies away from the star and under different stellar ...
Brandon L. Burkholder+7 more
doaj +1 more source