Sentences with phrase «found hydrogen gas»

They found hydrogen gas beyond the planet's atmosphere surrounding and flowing away from the world.

Not exact matches

«They found hydrogen sulfide, the odiferous gas that most people avoid, in Uranus's cloud tops,» according to a press release from Gemini Observatory, a high - power telescope atop a Hawaiian volcano.

«One of the proposed scenarios,» comments Romano Corradi, director of the GTC and another of the authors «is the presence of a component in the gas which is different from that which we normally find, poor in hydrogen and rich in heavier elements such as oxygen and carbon.

Hydrogen sulfide, a lethal gas best known for smelling like rotten eggs, turns out to play key roles in the body — a finding that could lead to new treatments for heart attack victims and others

Although the planet's size implies that it is a ball of hydrogen and helium gas incapable of supporting pools of liquid water, the finding raises the possibility that additional, earthlike planets might be discovered around it.

The group found that although fuel - cell vehicles would produce zero greenhouse - gas emissions during use, the extraction and refinement of hydrogen fuel would release three to five times as much carbon into the air as is released in procuring and refining gasoline and diesel.

«However, we found that the molecular hydrogen gas is also blown from the in - falling galaxy,» says Suresh Sivanandam of the Dunlap Institute at the University of Toronto, «much like smoke blown from a candle being carried into a room.»

But the Colorado researchers found that when hydrogen gas flows over carbon nanotubes, the tubes soak up the gas like sponges.

Images of four distant galaxies observed with the Arecibo radio telescope, which have been found to host huge reservoirs of atomic hydrogen gas.

Even if hydrogen doesn't become the next primary transportation fuel, finding a safer and economical way to store the gas would still be of great value, says chemical engineer John Dorgan of the Colorado School of Mines in Golden.

Using the Very Large Array of the National Radio Astronomy Observatory in the US, the team observed radio emission from hydrogen in a distant galaxy and found that it would have contained billions of young, massive stars surrounded by clouds of hydrogen gas.

While increasing the pressure of the hydrogen gas accelerated the hydrogenation process, the research found that the process will work with high - capacity industrial milling operations with minimal modifications.

And in the 1980s scientists trying to make new chemicals produced the molecule argonium (36ArH +), a strange compound not normally found on Earth that combines hydrogen with the generally inert gas argon.

Møller and his team found the primordial filament by making precise measurements of remote blobs of glowing hydrogen gas, using ESO's Very Large Telescope in Chile.

They found three objects with spectra bearing the imprints of warm gases such as acetylene and hydrogen cyanide, which are present in the early stages of stellar evolution.

«We found that the Antarctic microbes have evolved mechanisms to live on air instead, and they can get most of the energy and carbon they need by scavenging trace atmospheric gases, including hydrogen and carbon monoxide,» she says.

Fulton said at the press conference that the team believes the division is caused by the environment a planet finds itself in at the time of its formation, along with its ability to hold onto volatile gases such as hydrogen.

The new model calculates the amount of free hydrogen gas produced and stored beneath the seafloor based on a range of parameters — including the ratio of a site's tectonic spreading rate to the thickness of serpentinized rocks that might be found there.

In addition, they found that the width of the hydrogen line, which is emitted from cooler gas (with a temperature of about 10,000 K), is broader than the helium line.

This could mean that the system formed from interstellar gas clouds that were richer in hydrogen and helium than the ones typically found in our Galaxy, and that were poorer in heavy elements — which astronomers call metals.

The rotational velocity is found from the 21 - cm emission of the neutral atomic hydrogen gas in the outer parts of the disk.

The orbital speed is found from the doppler shifts of the 21 - cm line radiation from the atomic hydrogen gas.

Adapted to their very hot but watery environment, these microbes metabolized hydrogen - rich compounds or dead or live organic materials to derive the energy that sustains anaerobic life, including sulfate - reducing bacteria that produce Hydrogen Sulfide (H2S), fermentative bacteria that produce carbon dioxide and alcohol -LRB-- OH), and methanogenic bacteria — the methanogens found in sewage and mudflats today — that produce methane (CH4) gas as a waste hydrogen - rich compounds or dead or live organic materials to derive the energy that sustains anaerobic life, including sulfate - reducing bacteria that produce Hydrogen Sulfide (H2S), fermentative bacteria that produce carbon dioxide and alcohol -LRB-- OH), and methanogenic bacteria — the methanogens found in sewage and mudflats today — that produce methane (CH4) gas as a waste Hydrogen Sulfide (H2S), fermentative bacteria that produce carbon dioxide and alcohol -LRB-- OH), and methanogenic bacteria — the methanogens found in sewage and mudflats today — that produce methane (CH4) gas as a waste product.

The key for energy storage via the creation of hydrogen gas lies in finding a low - cost catalyst whose turnover frequency and overpotential matches or exceeds that of platinum.

«Without a membrane, the photoanode and photocathode are close enough to each other to conduct electricity, and if you also have bubbles of highly reactive hydrogen and oxygen gases being produced in the same place at the same time, that is a recipe for disaster,» Lewis says regarding his findings published in PNAS.

Statistical arguments must be used in many cases, but the velocities of the gas, when compared with the velocities found for stars and those anticipated on the basis of the dynamics of the Galaxy, provide useful clues as to the location of the different sources of hydrogen radio emission.

Thus, more than 35 years after it was predicted, J1030 was finally found in the early period of the universe where neutral hydrogen gas still existed in quantities sufficient to be detected.

They find clouds of hydrogen, but almost no detectable clouds of neutral hydrogen drifting between galaxies, meaning the gas was at some point reionized.

Unlike the two slightly closer quasars that were also found in April 2001, however, the emission absorption impact of neutral hydrogen gas was detected in the spectrum of J1030 dating it to the period when the first stars and quasars formed (Fan et al, 2001; Becker et al, 2001; and Jordi Miralda - Escude, 1997).

Although Solar radiation and lightning (which has been detected by the ESA's Venus Express probe in 2007) should be producing large amounts of carbon monoxide (CO), the gas was found to be scarce, as if something was removing it (such as hydrogenogens, diverse bacteria and archaea that grow anaerobically utilizing CO as their sole carbon source and water as an electron acceptor to produce carbon dioxide and molecular hydrogen as waste products).

He and his colleagues found that the intense light from all those newborn stars in SDSS J0905 +57 provides enough energy to expel much of the surrounding hydrogen gas.

In 2004, astronomers found evidence for a clumpy stream of hydrogen gas linking the Triangulum galaxy with the nearby Andromeda galaxy.

The smell is caused by a gas called hydrogen sulphide usually contained in sulfur proteins found in some foods and is released when they are broken down by sulfur reducing microbes in the stomach or small intestine.

A new National Research Council report finds that by the year 2050, the U.S. may be able to reduce petroleum consumption and greenhouse gas emissions by 80 percent for light - duty vehicles — cars and small trucks — via a combination of more efficient vehicles; the use of alternative fuels like biofuels, electricity, and hydrogen; and strong government policies to overcome high costs and influence consumer choices.

Hydrogen is found in and around oil and gas pipelines as a matter of course.

In some solid state materials with trapped gas, such as metals infiltrated by Hydrogen or Helium, it had been my understanding (though I can not find attribution) that an effect like chromatography would be observed with the passage of time, and the «alien» bubbles would be force out of the matrix.

1 Executive Summary 2 Scope of the Report 3 The Case for Hydrogen 3.1 The Drive for Clean Energy 3.2 The Uniqueness of Hydrogen 3.3 Hydrogen's Safety Record 4 Hydrogen Fuel Cells 4.1 Proton Exchange Membrane Fuel Cell 4.2 Fuel Cells and Batteries 4.3 Fuel Cell Systems Durability 4.4 Fuel Cell Vehicles 5 Hydrogen Fueling Infrastructure 5.1 Hydrogen Station Hardware 5.2 Hydrogen Compression and Storage 5.3 Hydrogen Fueling 5.4 Hydrogen Station Capacity 6 Hydrogen Fueling Station Types 6.1 Retail vs. Non-Retail Stations 6.1.1 Retail Hydrogen Stations 6.1.2 Non-Retail Hydrogen Stations 6.2 Mobile Hydrogen Stations 6.2.1 Honda's Smart Hydrogen Station 6.2.2 Nel Hydrogen's RotoLyzer 6.2.3 Others 7 Hydrogen Fueling Protocols 7.1 SAE J2601 7.2 Related Standards 7.3 Fueling Protocols vs. Vehicle Charging 7.4 SAE J2601 vs. SAE J1772 7.5 Ionic Compression 8 Hydrogen Station Rollout Strategy 8.1 Traditional Approaches 8.2 Current Approach 8.3 Factors Impacting Rollouts 8.4 Production and Distribution Scenarios 8.5 Reliability Issues 9 Sources of Hydrogen 9.1 Fossil Fuels 9.2 Renewable Sources 10 Methods of Hydrogen Production 10.1 Production from Non-Renewable Sources 10.1.1 Steam Reforming of Natural Gas 10.1.2 Coal Gasification 10.2 Production from Renewable Sources 10.2.1 Electrolysis 10.2.2 Biomass Gasification 11 Hydrogen Production Scenarios 11.1 Centralized Hydrogen Production 11.2 On - Site Hydrogen Production 11.2.1 On - site Electrolysis 11.2.2 On - Site Steam Methane Reforming 12 Hydrogen Delivery 12.1 Hydrogen Tube Trailers 12.2 Tanker Trucks 12.3 Pipeline Delivery 12.4 Railcars and Barges 13 Hydrogen Stations Cost Factors 13.1 Capital Expenditures 13.2 Operating Expenditures 14 Hydrogen Station Deployments 14.1 Asia - Pacific 14.1.1 Japan 14.1.2 Korea 14.1.3 China 14.1.4 Rest of Asia - Pacific 14.2 Europe, Middle East & Africa (EMEA) 14.2.1 Germany 14.2.2 The U.K. 14.2.3 Nordic Region 14.2.4 Rest of EMEA 14.3 Americas 14.3.1 U.S. West Coast 14.3.2 U.S. East Coast 14.3.3 Canada 14.3.4 Latin America 15 Selected Vendors 15.1 Air Liquide 15.2 Air Products and Chemicals, Inc. 15.3 Ballard Power Systems 15.4 FirstElement Fuel Inc. 15.5 FuelCell Energy, Inc. 15.6 Hydrogenics Corporation 15.7 The Linde Group 15.8 Nel Hydrogen 15.9 Nuvera Fuel Cells 15.10 Praxair 15.11 Proton OnSite / SunHydro 15.11.1 Proton Onsite 15.11.2 SunHydro 16 Market Forecasts 16.1 Overview 16.2 Global Hydrogen Station Market 16.2.1 Hydrogen Station Deployments 16.2.2 Hydrogen Stations Capacity 16.2.3 Hydrogen Station Costs 16.3 Asia - Pacific Hydrogen Station Market 16.3.1 Hydrogen Station Deployments 16.3.2 Hydrogen Stations Capacity 16.3.3 Hydrogen Station Costs 16.4 Europe, Middle East and Africa 16.4.1 Hydrogen Station Deployments 16.4.2 Hydrogen Station Capacity 16.4.3 Hydrogen Station Costs 16.5 Americas 16.5.1 Hydrogen Station Deployments 16.5.2 Hydrogen Station Capacity 16.5.3 Hydrogen Station Costs 17 Conclusions 17.1 Hydrogen as a Fuel 17.2 Rollout of Fuel Cell Vehicles 17.3 Hydrogen Station Deployments 17.4 Funding Requirements 17.5 Customer Experience 17.6 Other Findings

This week, Honda also announced progress with a home - based hydrogen production system — called the HES IV — that would remove a consumer's need to find hydrogen fuel or visit a gas station.

Further, to date, finding safe and cost - effective means for the storage and transportation of hydrogen gas have proved elusive.

Overcoming some of the obstacles that have hindered petri - dish - to - gas - pump schemes in the past, scientists are finding ways to produce high - octane fuel and even pure hydrogen from co-opted algae.

I did a lot of math on this and honestly, the ONLY way I could find to reasonably integrate large amounts of wind / solar... is to convert most of it into hydrogen, storing WEEKS WORTH in vast, metal lined, bored tunnels (or just huge arrays of tanks) near conventional gas fired turbine power plants... and JUST BURN IT in the power plant as fuel to buffer out the remainder of the wind / solar that's actually providing electricity.

By studying the interactions between hydrogen and the material's structure at the temperatures of the gas» release, the scientists found that aluminum diffusion within the metal hydride's structure was the key step in the titanium's catalyzing reaction.