Results 61 to 70 of about 69,486 (315)

“Never good enough.” A situated understanding of the impact of digitalization on citizens living in a low socioeconomic position

Policy &Internet, Volume 14, Issue 4, Page 824-844, December 2022., 2022
Abstract Digital inequality is a critical issue in our knowledge economy. Often digital inequality is framed as a problem that only older people encounter. This rather stereotypical portrayal can result in improvised and unsuccessful policy actions. The goal of the article is to take the experiences of citizens who never or seldom use information and ...
Nicole S. Goedhart, Petra Verdonk, Christine Dedding   +2 more
wiley   +1 more source

In Vivo Reprogramming of Tissue‐Derived Extracellular Vesicles for Treating Chronic Tissue Injury Through Metabolic Engineering

Advanced Science, EarlyView.
Inspired by exercise‐induced metabolic rewiring and EV secretion, this study shows that in vivo metabolic engineering strategy can reprogram EV secretion pattern and simultaneously attenuate multiple tissue injury in CKD status, highlighting that it is a potential strategy for treating diverse chronic diseases.
Meng Zhao, Shuyun Liu, Yizhuo Wang, Peng Lou, Ke Lv, Tian Wu, Lan Li, Qianyi Wu, Jiaying Zhu, Yanrong Lu, Meihua Wan, Jingping Liu   +11 more
wiley   +1 more source

The effect of polymer grafting on the mechanical properties of PEG‐grafted cellulose nanocrystals in poly(lactic acid)

Journal of Polymer Science, Volume 60, Issue 24, Page 3318-3330, 15 December 2022., 2022
Abstract Poly(lactic acid) (PLA) is a commercially available bio‐based polymer that is a potential alternative to many commodity petrochemical‐based polymers. However, PLA's thermomechanical properties limit its use in many applications. Incorporating polymer‐grafted cellulose nanocrystals (CNCs) is one potential route to improving these mechanical ...
Nicholas Macke, Christina M. Hemmingsen, Stuart J. Rowan   +2 more
wiley   +1 more source

Wood Biomolecules as Agricultural Adjuvants for Effective Suppression of Droplet Rebound from Plant Foliage

Advanced Science, EarlyView.
Lignin and hemicellulose are used to develop agricultural adjuvants to decrease agrochemical run‐off from foliage, by suppressing droplet rebound and enhancing adhesion of aqueous solutions on plant leaves. The wood components combine surface activity with surface pinning effects and to improve by tenfold the droplet rebound in citrus leaves ...
Mamata Bhattarai, Hedar Al‐Terke, Kai Liu, Zhangmin Wan, Petri Kilpeläinen, Alistair W. T. King, Alexey Khakalo, Jiayun Xu, Chunlin Xu, Robin H. A. Ras, Bruno D. Mattos, Orlando J. Rojas   +11 more
wiley   +1 more source

Geographic object‐based image analysis (GEOBIA) of the distribution and characteristics of aeolian sand dunes in Arctic Sweden

Permafrost and Periglacial Processes, Volume 34, Issue 1, Page 22-36, January/March 2023., 2023
Abstract Current climate change in the Arctic is unprecedented in the instrumental record, with profound consequences for the environment and landscape. In Arctic Sweden, aeolian sand dunes have been impacted by climatic changes since their initial formation after the retreat of the last glacial ice sheet.
Melanie Stammler, Thomas Stevens, Daniel Hölbling   +2 more
wiley   +1 more source

Studying the Radiation of a White Dwarf Star Falling onto a Black Hole

The Astrophysical Journal
We investigate electromagnetic and gravitational radiation generated during the process of the tidal stripping of a white dwarf star circulating a black hole.
Marek Nikołajuk, Tomasz Karpiuk, Lorenzo Ducci, Mirosław Brewczyk   +3 more
doaj   +1 more source

White Dwarf Cooling Curves and Searches For White Dwarfs [PDF]

Highlights of Astronomy, 1998
White dwarf (WD) evolution is essentially a cooling problem in two parts. Degenerate electrons in the core provide the support while non-degenerate C and O ions provide the thermal reservoir (Koester & Chanmugam 1990, Kawaler 1996). The rate of energy loss through the non-degenerate envelope of H and He—segregated by gravitational settling—is ...
openaire   +2 more sources

Resistance Drift of Phase Change Materials Beyond the Power Law

Advanced Electronic Materials, EarlyView.
The timedependent resistance of phase change materials is important for their application as electronic memory. Here, resistance measurements of melt‐quenched germanium telluride from nanoseconds to minutes are presented. By going far beyond the usually considered measurement regime, deviations from the ubiquitous power law behavior are observed, that ...
Jakob Ballmaier, Sebastian Walfort, Martin Salinga   +2 more
wiley   +1 more source

Imprint of the Crystallization of Binary White Dwarfs on Gravitational Wave Observations with LISA

Physical Sciences Forum, 2023
Space-based gravitational-wave detectors, such as the Laser Interferometer Space Antenna, allow for the probing of the interior of white dwarfs in binaries through the imprints of tidal effects on the gravitational wave signal.
Loïc Perot, Nicolas Chamel
doaj   +1 more source

White Dwarf Crystallization [PDF]

International Astronomical Union Colloquium, 1994
AbstractThe inclusion of a detailed treatment of solidification processes in the cooling theory of carbon–oxygen white dwarfs is of crucial importance for the determination of their luminosity function. Carbon–oxygen separation at crystallization yields delays larger than 2 Gyr to cool down to luminosities corresponding to the observed cut–off.
Enrique García-Berro, M. Hernanz
openaire   +2 more sources