Results 71 to 80 of about 1,812,757 (349)

Diffusion of Hydrogen Isotopes in Zirconium Alloys

He huaxue yu fangshe huaxue
Tritium is a common radioactive product in nuclear power plants. It is easy to diffuse, penetrate and be easily absorbed by organisms due to its small atomic radius.
Long WANG, Zhi-hao HONG, You-zhi WANG, Zi-kai LIU, Xiao-qian ZHANG, Tian-guang ZHANG, Long ZHANG   +6 more
doaj   +1 more source

Role of Microsolvation and Quantum Effects in the Accurate Prediction of Kinetic Isotope Effects: The Case of Hydrogen Atom Abstraction in Ethanol by Atomic Hydrogen in Aqueous Solution [PDF]

, 2020
Suraj Kannath, Paweł Adamczyk, David Ferro‐Costas, Antonio Fernández‐Ramos, Dan Thomas Major, Agnieszka Dybała‐Defratyka   +5 more
openalex   +1 more source

Coherent Control of Nitrogen Nuclear Spins via the VB−${\rm V}_B^-$‐Center in Hexagonal Boron Nitride

Advanced Functional Materials, EarlyView.
This study demonstrates coherent control of 15N nuclear spins coupled to VB−${\text{V}}_{\text{B}}^{-}$ centers in isotope‐enriched hexagonal boron nitride. Selective addressing via spin‐state mixing enables Rabi driving, quantum gates, and coherence times exceeding 10 μs$\umu{\rm s}$.
Adalbert Tibiássy, Charlie J. Patrickson, Thomas Poirier, James H. Edgar, Bruno Lopez‐Rodriguez, Viktor Ivády, Isaac J. Luxmoore   +6 more
wiley   +1 more source

Prolonged drought on Rapa Nui during the decline of megalithic monument construction

Communications Earth & Environment
Beginning in the 13th century, Polynesian settlers on the island of Rapa Nui engaged in megalithic monument construction, crafting hundreds of ahu platforms and moai statues from volcanic bedrock. The decline of this tradition centuries later, coincident
Redmond Stein, Lorelei Curtin, Nicholas L. Balascio, Raymond S. Bradley, Dorothy M. Peteet, Rafael Rapu, Valentí Rull, Andrea Seelenfreund, William J. D’Andrea   +8 more
doaj   +1 more source

Finite element analysis of hydrogen retention in ITER plasma facing components using FESTIM

Nuclear Materials and Energy, 2019
The behaviour of hydrogen isotopes in ITER monoblocks was studied using the code FESTIM (Finite Element Simulation of Tritium In Materials) which is introduced in this publication. FESTIM has been validated by reproducing experimental data and the Method
Rémi Delaporte-Mathurin, Etienne A. Hodille, Jonathan Mougenot, Yann Charles, Christian Grisolia   +4 more
doaj   +1 more source

Multipurpose Transparent Nanocomposites for Gamma Spectroscopy, Pulse Shape Discrimination, Thermal Neutron Detection, Radiation Shielding, and High Refractive Index Applications

Advanced Functional Materials, EarlyView.
Materials exist that are useful for gamma scintillation, radiation shielding, neutron‐gamma pulse shape discrimination (PSD), thermal neutron detection, or high refractive index applications. While certain materials have exhibited optimal performance for each of these applications, none achieve multiple functions.
Isabelle Winardi, Stephane Miaule, Robert Carmichael, Bowen Sun, Ziqing Han, Prabhav Surabhi, Zhen Luo, Noelan Hum, David Prout, Yi‐An Chen, Ting‐Hsuan Wu, Hao Yu, Arion Chatziioannou, Qibing Pei   +13 more
wiley   +1 more source

Trapping and de-trapping behavior of hydrogen isotopes in <100> interstitial dislocation loops of tungsten

Nuclear Fusion
In fusion reactors, plasma-facing materials (PFMs) work under a complex irradiation environment. A lot of irradiation defects will be generated in tungsten (W), primary candidate for PFMs, leading to a substantial amount of hydrogen fuel retention. Among
Fei Sun, Qihang Liu, Baichuan Xu, Xiao-Chun Li, Jipeng Zhu, Dahuan Zhu, Hai-Shan Zhou, Hongxiang Zong, Lai-Ma Luo, Yasuhisa Oya, Yucheng Wu   +10 more
doaj   +1 more source

Effect of microstructure and neutron irradiation defects on deuterium retention in SiC

Frontiers in Nuclear Engineering
Retention of hydrogen isotopes is a critical concern for operating fusion reactors as retained tritium both activates components and removes scarce fuel from the fuel cycle.
Alex Leide, Weicheng Zhong, Isabel Fernandez-Victorio, Isabel Fernandez-Victorio, Duc Nguyen-Manh, Duc Nguyen-Manh, Takaaki Koyanagi   +6 more
doaj   +1 more source

Gold Nanoclusters as Dual Agents for Engineering Tumor Vascular Leakiness and Performing Photothermal Therapy

Advanced Functional Materials, EarlyView.
Many cancer nanotherapeutics, while potent, suffer from the inability to escape from the tumor vasculature, especially in the absence of endothelial permeability. In this work, ultrasmall gold nanoclusters could engineer nanomaterials induced endothelial leakiness (NanoEL) and harness strong NIR induced photothermal characteristics to suppress tumor ...
Nengyi Ni, Kuoran Xing, Bihan Zhang, Baoteng Wang, Yinglu Chen, Jianping Xie, Xiao Sun, Jinping Wang, David Tai Leong   +8 more
wiley   +1 more source

Using Stable Isotopes to Determine the Water Balance of Utah Lake (Utah, USA)

Hydrology, 2020
To investigate the hydrology of Utah Lake, we analyzed the hydrogen (δ2H) and oxygen (δ18O) stable isotope composition of water samples collected from the various components of its system.
Alessandro Zanazzi, Weihong Wang, Hannah Peterson, Steven H. Emerman   +3 more
doaj   +1 more source