New method could aid in the development of more effective catalysts for hydrogen production ...

US Geological Survey researchers say there could be 5.6 trillion metric tonnes of hydrogen in rocks and underground reservoirs ...

A MOST significant feature of the success of the quantum theory in explaining the sequence of radiation-frequencies forming the Balmer type of series in the spectra of hydrogen and ionised helium ...

Each of the spectra has a set of absorption lines created by the presence of hydrogen in the stars' atmospheres. Order the spectra, starting with the one that is moving the fastest toward us and ...

Hot gases don’t produce a continuous emission spectrum. Black hydrogen absorption lines are at the same wavelength as the bright hydrogen emission lines. Key fact Line emission spectra are ...

Thus, fuel cell truck manufacturers like Nikola find themselves not only producing trucks but evolving into full-spectrum hydrogen energy companies, as Carey Mendes mentioned when introducing the ...

Currently, most free hydrogen is derived from natural gas feedstocks ... “Simulated standard sunlight uses a spectrum from a ...

Consequently, they demonstrated the production performance of approximately 18.4 mmol of hydrogen per hour per gram of catalyst under the visible spectrum. This performance is 5.6 times as high as ...

Hydrogen gas is a promising energy source with ... resulting in a dark line in the absorption spectrum, known as the ...