Results 51 to 60 of about 81,417 (263)

Interannual Variations of TOA Albedo over the Arctic, Antarctic and Tibetan Plateau in 2000–2019

Remote Sensing, 2020
Recent changes in Earth’s climate system have significantly affected the radiation budget and its year-to-year variations at top of the atmosphere (TOA). Observing high-latitude TOA fluxes is still challenging from space, because spatial inhomogeneity of
Dong L. Wu, Jae Nyung Lee, Kyu-Myong Kim, Young-Kwon Lim   +3 more
doaj   +1 more source

Updated Spherical Harmonic Magnetic Field Moments of Ganymede From the Juno Flyby

Geophysical Research Letters, 2022
In this study, we use data from the Juno and Galileo spacecraft to analyze the internal magnetic dynamo of Ganymede. As the only known moon with a strong internal magnetic field, Ganymede is a uniquely interesting object in the context of understanding ...
Tristan Weber, Kimberly Moore, John Connerney, Jared Espley, Gina DiBraccio, Norberto Romanelli   +5 more
doaj   +1 more source

FROM SPACE FLIGHTS TO OSTEOPOROSIS

Annales Kinesiologiae, 2012
Space missions (microgravity) alter the balance between bone formation/resorption and induce bone loss. This effect represents a major limiting step in the realization of long-term space missions. A similar picture is induced by prolonged immobilization at bed (bed rest).
BILANCIO, GIANCARLO, Lombardi C, CIRILLO, Massimo, Pišot R, Rittweger J, De Santo N.G.   +5 more
openaire   +5 more sources

Osteocyte biology and space flight [PDF]

Current Biotechnology, 2013
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
Paola Divieti, Pajevic, Jordan M, Spatz, Jenna, Garr, Chris, Adamson, Lowell, Misener   +4 more
openaire   +2 more sources

Homogenous FACsPbI3 Perovskite Solar Cells Enabled by a Seed‐Facilitated Cation Exchange Strategy

Advanced Functional Materials, EarlyView.
A novel seed‐facilitated cation exchange strategy is designed for homogenous FACsPbI3 perovskites using the biomass‐derived solvent γ‐valerolactone. Pre‐deposited 0D Cs4PbI6 seeds induce rapid nucleation and efficient cation exchange, producing a uniform FA–Cs distribution and significantly reducing defect density, enabling high‐performance and stable ...
Meng Ren, Guodong Chen, Haifei Wang, Bowei Li, Yuetian Chen, Jiahao Guo, Yingping Fan, Shaowei Wang, Yanfeng Miao, Feng Gao, Yixin Zhao   +10 more
wiley   +1 more source

Dynamic Proton Activity Regulation via Brønsted Bases Enables Durable and High‐Energy‐Density Zn||MnO2 Batteries

Advanced Functional Materials, EarlyView.
Our study demonstrates Brønsted base‐mediated proton transfer for HOAc dissociation regulation in weakly acidic electrolytes, where imidazole achieves optimal dynamic proton equilibrium‐simultaneously stabilizing Zn anodes and enabling efficient Mn2+/MnO2 conversion.
Wenli Xin, Yu Xiong, Cong Liao, Po Lu, Zhe Wang, Jun Fan, Chunyi Zhi, Nan Li   +7 more
wiley   +1 more source

Formation of Quasi‐Decoupling Interface on Li‐Metal Anodes in High Donor Electrolyte

Advanced Functional Materials, EarlyView.
Li‐metal anode (LMA) is stabilized by introducing Li2Te2 as an electrolyte additive for Li‐metal batteries. Upon contact with Li, Li2Te2 spontaneously converts to Li2Te, which electronically isolates Li from dimethyl sulfoxide due to its large bandgap and minimal Bader charge transfer.
Hyerim Kim, Sunggun Lim, Shivam Kansara, Jimin Park, Hyoju Lee, Hyokyeong Kang, Soohyung Park, Chihyun Hwang, Hansu Kim, Jang‐Yeon Hwang   +9 more
wiley   +1 more source

Space flight

Eos, Transactions American Geophysical Union, 1994
Wayne Littles will take over the job of Associate Administrator for Space Flight at NASA from Maj.Gen. Jeremiah W. Pearson, who has resigned from the post. Littles, now NASA's Chief Engineer, was formerly deputy director of the Marshall Space Flight Center in Huntsville, Ala.
openaire   +1 more source

Nanoparticle Shape Dictates Catalytic Performance in Selective Hydrogenation of Butadiene Over Au‐Pd Core‐Shell Nanoparticles

Advanced Functional Materials, EarlyView.
Controlling the exposed crystal facet of shape‐controlled Au‐Pd core‐shell catalysts though colloidal synthesis enhances their catalytic performance in the industrially relevant selective hydrogenation of butadiene. ABSTRACT Selective hydrogenation of butadiene is a critical step in purification of alkene feedstocks for polymer production and is ...
Marta Perxés Perich, Jan‐Willem Lankman, Petra E. de Jongh, Jessi E. S. van der Hoeven   +3 more
wiley   +1 more source

Ocean Temperature Profiling Lidar: Analysis of Technology and Potential for Rapid Ocean Observations

Remote Sensing
Development of ocean measurement technologies can improve monitoring of the global Ocean Heat Content (OHC) and Heat Storage Rate (HSR) that serve as early-warning indices for climate-critical circulation processes such as the Atlantic Meridional ...
John R. Moisan, Cecile S. Rousseaux, Paul R. Stysley, Gregory B. Clarke, Demetrios P. Poulios   +4 more
doaj   +1 more source