Results 311 to 320 of about 7,424,653 (388)

A TMO-ZnO Heterojunction-Based Sensor for Transformer Defect Detection: A DFT Study. [PDF]

Nanomaterials (Basel)
Yan J, Dai W, Zou D, Sun H, Tang C, Gui Y.   +5 more
europepmc   +1 more source

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Construction of Co4 Atomic Clusters to Enable Fe-N4 Motifs with Highly Active and Durable Oxygen Reduction Performance.

Angewandte Chemie, 2023
Fe-N-C catalysts with single-atom Fe-N4 configurations are highly needed owing to the high activity for oxygen reduction reaction (ORR). However, the limited intrinsic activity and dissatisfactory durability have significantly restrained the practical ...
Ali Han, Wenming Sun, X. Wan, D. Cai, Xijun Wang, Feng Li, J. Shui, Dingsheng Wang   +7 more
semanticscholar   +1 more source

RETROSPECTIVE ESR RECONSTRUCTION OF CATTLE TOOTH ENAMEL DOSES FROM THE RADIOACTIVE NUCLEI RELEASED BY THE ACCIDENT OF FUKUSHIMA DAI-ICHI ATOMIC POWER PLANTS.

Radiation Protection Dosimetry, 2019
The method of electron spin resonance (ESR) tooth enamel dosimetry was successfully applied to cattle molar teeth exposed in the accident of Fukushima Dai-ichi atomic power plants.
S. Toyoda, Mika Murahashi, M. Natsuhori, S. Ito, A. Ivannikov, Azumi Todaka   +5 more
semanticscholar   +1 more source

Reducing frequency drift caused by light shift in coherent population trapping-based low-power atomic clocks

, 2020
We propose a model to reduce the influence that the light-shift induced frequency drift has on the long-term stability of coherent population trapping (CPT)-based low-power atomic clocks.
S. Yanagimachi, K. Harasaka, R. Suzuki, Mitsuru Suzuki, S. Goka   +4 more
semanticscholar   +1 more source

SPATIAL MAPPING OF URANIUM IN GROUNDWATER AND RISK ASSESSMENT AROUND AN ATOMIC POWER STATION IN INDIA

, 2016
This paper reports the distribution of natural uranium in different underground water sources and health risk evaluation around Narora Atomic Power Station, Narora, India. The uranium concentration at studied locations ranged from BDL (

semanticscholar   +1 more source

Encoding the atomic structure for machine learning in materials science

WIREs Computational Molecular Science, 2021
In recent years, we have witnessed a widespread application of machine learning techniques in the field of materials science, owing to the increased availability of research data and sophisticated algorithms.
Shunning Li, Yuanji Liu, Dong Chen, Yi Jiang, Zhiwei Nie, Feng Pan   +5 more
semanticscholar   +1 more source

ULPAC: A Miniaturized Ultralow-Power Atomic Clock

IEEE Journal of Solid-State Circuits, 2019
This article introduces a chip-scale ultralow-power atomic clock (ULPAC) in the microwave frequency region. A new suspended quantum package architecture along with a fully integrated frequency probing and locking loop implemented in CMOS technology ...
Haosheng Zhang, Hans Herdian, A. Narayanan, A. Shirane, Mitsuru Suzuki, K. Harasaka, Kazuhiko Adachi, S. Goka, S. Yanagimachi, K. Okada   +9 more
semanticscholar   +1 more source

The power of the atom

Nature Medicine, 2014
e-mail: kkrohn@uw.edu challenge of carbon-11’s very short half-life was resolved when carbon-14 became available, and Melvin Calvin’s group worked out carbon metabolism pathways as they appear in textbooks today. The use of radioisotopes in human research has always been controversial.
openaire   +2 more sources

A Review of Commercial and Emerging Atomic Frequency Standards

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2021
Atomic frequency standards are used to generate accurate and precise time and frequency, enabling many communications, synchronization, and navigation systems in modern life.
B. L. S. Marlow, D. R. Scherer
semanticscholar   +1 more source