Results 31 to 40 of about 2,507,638 (275)

A liquid hydrogen target

open access: yesVacuum, 1951
A description is given of a target in which liquid hydrogen was bombarded with x-rays from the Berkeley synchrotron. The liquid hydrogen, in a stainless steel flask, was surrounded by an evacuated jacket containing a heat shield maintained at the temperature of liquid nitrogen. The liquid level was indicated by a counterweighted float system.
openaire   +2 more sources

Liquid Hydrogen Bubble Chambers [PDF]

open access: yesReview of Scientific Instruments, 1955
Chambers 2½ inches and 4 inches in diameter have been constructed of brass with pyrex ports and sealed with lead-wire gaskets. Metal walls and a copper heat leak eliminate the need for a surrounding pressurized bath. The required fast-pulsing techniques and use of a heat regenerator are described in detail.
Parmentier, Douglas, Jr.   +1 more
openaire   +2 more sources

Chemical Hydride Slurry for Hydrogen Production and Storage [PDF]

open access: yes, 2008
The purpose of this project was to investigate and evaluate the attractiveness of using a magnesium chemical hydride slurry as a hydrogen storage, delivery, and production medium for automobiles.
McClaine, Andrew W.
core   +1 more source

INJECTION OF HYDROGEN INTO HIGH PRESSURE NATURAL GAS GRIDS: INVESTIGATION OF THE IMPACT ON MATERIALS AND EQUIPMENT AT RELEVANT ENVIRONMENT

open access: yes, 2022
Publisher Copyright: © 2022 Proceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2. All rights reserved.This work addresses the potential of hydrogen injection into the transmission high pressure natural gas grid as ...
Madina, Virginia   +5 more
core   +1 more source

Optimal Scheduling of an Off-Grid Wind–Photovoltaic Liquid Hydrogen Production System with Fixed Daily Output

open access: yesEnergies
Off-grid wind–photovoltaic systems can provide low-carbon power for liquid hydrogen production, but renewable generation fluctuations complicate the coordination of fixed liquid hydrogen output and external electric load supply.
Qian He   +6 more
doaj   +1 more source

Large-scale stationary hydrogen storage via liquid organic hydrogen carriers

open access: yesiScience, 2021
Summary: Large-scale stationary hydrogen storage is critical if hydrogen is to fulfill its promise as a global energy carrier. While densified storage via compressed gas and liquid hydrogen is currently the dominant approach, liquid organic molecules ...
Zainul Abdin   +3 more
doaj   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

Numerical Study on Thermodynamic Coupling Characteristics of Fluid Sloshing in a Liquid Hydrogen Tank for Heavy-Duty Trucks

open access: yesEnergies, 2023
The large-amplitude sloshing behavior of liquid hydrogen in a tank for heavy-duty trucks may have adverse effects on the safety and stability of driving.
Yuhao Zhu   +5 more
doaj   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

A Thermodynamic Model for Cryogenic Liquid Hydrogen Fuel Tanks

open access: yesApplied Sciences
Hydrogen is used as a fuel in various fields, such as aviation, space, and automobiles, due to its high specific energy. Hydrogen can be stored as a compressed gas at high pressure and as a liquid at cryogenic temperatures.
Dongkuk Choi, Sooyong Lee, Sangwoo Kim
doaj   +1 more source

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