Results 81 to 90 of about 189,757 (277)

A quantum-dot heat engine operating close to the thermodynamic efficiency limits

open access: yes, 2018
Cyclical heat engines are a paradigm of classical thermodynamics, but are impractical for miniaturization because they rely on moving parts. A more recent concept is particle-exchange (PE) heat engines, which uses energy filtering to control a thermally ...
Burke, Adam M.,   +9 more
core   +1 more source

Bifunctional Photocatalysts: Exploiting Proximity for Enhanced Reaction Performance

open access: yesChemistry – A European Journal, EarlyView.
This review covers the application of the bifunctional approach to photocatalysis as a means to attain (enhanced) enantioselectivity, and, more in general, as a strategy to enhance the catalytic performance through an effective use of short‐lived reaction intermediates.
Luigi Dolcini   +3 more
wiley   +1 more source

Exploration of High and Low Frequency Options for Subperception Spinal Cord Stimulation Using Neural Dosing Parameter Relationships: The HALO Study

open access: yesNeuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objectives Subperception spinal cord stimulation (SCS) is described mostly utilizing waveforms that require high energy. However, the necessity of these waveforms for effective subperception has not been established. We aimed to explore whether effective subperception pain relief can be achieved using frequencies below 1 kHz.
José Paz‐Solís   +5 more
wiley   +1 more source

Mineral and bone disorder management in hemodialysis patients: comparing PTH control practices in Japan with Europe and North America: the Dialysis Outcomes and Practice Patterns Study (DOPPS)

open access: yesBMC Nephrology, 2018
Background High-circulating level of parathyroid hormone (PTH) is associated with elevated mortality in dialysis patients. The Japanese Society for Dialysis Therapy guideline suggests a lower PTH target than other international guidelines; thus, PTH ...
Suguru Yamamoto   +10 more
doaj   +1 more source

Discontinuing Long‐Term Denosumab in Treating Fragile Bone: Why, for Whom, and How?

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
Discontinuation of denosumab (Dmab) may be necessary due to adverse events or an unfavorable long‐term risk–benefit profile. However, accumulating evidence demonstrates pronounced rebound phenomena after withdrawal, most notably a marked increase in multiple vertebral fractures, and, in some reports, elevated mortality.
Ko‐Hsiu Lu   +5 more
wiley   +1 more source

Quantum computing with nearest neighbor interactions and error rates over 1%

open access: yes, 2010
Large-scale quantum computation will only be achieved if experimentally implementable quantum error correction procedures are devised that can tolerate experimentally achievable error rates.
A. G. Fowler   +5 more
core   +1 more source

Performance assessment of a potential underground thermal storage facility: Case study of the closed mine Prosper‐Haniel in the Ruhr coal mining area in Germany

open access: yesDeep Underground Science and Engineering, EarlyView.
This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley   +1 more source

Magnetic ordering and its influence on X‐ray spectroscopies

open access: yesMajor Reference Works, Page 163-168., 2023
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan   +3 more
wiley  

+2 more sources

Gene structure, transcripts and calciotropic effects of the PTH family of peptides in Xenopus and chicken

open access: yesBMC Evolutionary Biology, 2010
Background Parathyroid hormone (PTH) and PTH-related peptide (PTHrP) belong to a family of endocrine factors that share a highly conserved N-terminal region (amino acids 1-34) and play key roles in calcium homeostasis, bone formation and skeletal ...
Power Deborah M   +5 more
doaj   +1 more source

Regulation of Star Formation Rates in Multiphase Galactic Disks: a Thermal/Dynamical Equilibrium Model

open access: yes, 2010
We develop a model for regulation of galactic star formation rates Sigma_SFR in disk galaxies, in which ISM heating by stellar UV plays a key role.
Adam K. Leroy   +64 more
core   +4 more sources

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