Sentences with phrase «of free hydrogen»

In fact, you may be able to receive up to 3 years of free hydrogen fuel * for your new 2017 Toyota Mirai.

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.

Recent discoveries of free hydrogen gas, which was once thought to be very rare, have been made near slow - spreading tectonic plates deep beneath Earth's continents and under the sea.

Plants have been doing this for quite some time, splitting water's hydrogen apart from its oxygen, but our efforts to turn water into a source of free hydrogen fuel by mimicking them have borne no fruit.

Not exact matches

With the help of Tetra Pak ® Water Filtering Station, the customer was able to remove lubrication, residues from packaging material, hydrogen peroxide and high / alkaline pH, and circulate clean water free from all contaminants back into the system.

So, the researchers came up with an enzyme - free system consisting of hydrogen peroxide and two oxidizable substances, iodide and thiocynate.

There are basically two types of lines, those produced by collisions between the atoms or ions and the electrons in the surrounding gas, which are called collision lines, and which are very bright for elements such as oxygen, nitrogen and neon, and lines which are produced when ions capture free electrons, which are called recombination lines, and which are bright only for those gases with the highest abundances in the interstellar medium: hydrogen and helium.

Japanese car - maker Honda has unveiled a hydrogen - powered concept vehicle that it says represents the future of emissions - free driving.

Free radicals attack weak carbon - hydrogen bonds and are a major source of the kind of oxidative cell damage that can occur in conditions such as coronary artery disease, neurological disorders and retinal ailments.

Left to its own devices, hydrogen slips free into space, leaving the planet with less of a vital ingredient for water.

«So as long as you're using renewable electricity and not some kind of brown electricity, that is really the most direct pathway to producing real, carbon - free hydrogen fuel.»

By looking at the chemistry of rocks deposited during that time period, specifically coupled carbon and sulfur isotope data, a research team led by University of California, Riverside biogeochemists reports that oxygen - free and hydrogen sulfide - rich waters extended across roughly five percent of the global ocean during this major climatic perturbation — far more than the modern ocean's 0.1 percent but much less than previous estimates for this event.

Most hydrogen fuel is derived from natural gas in a process that releases plenty of carbon dioxide, so the car and its 134 - horsepower electric motor fall short of being footprint - free.

Molecular biologist Samuel Schriner at the University of California, Irvine, and colleagues wanted to know if a different anti-oxidant mop called catalase, which cleans up hydrogen peroxide (a source of free radicals), would do the trick.

When Gao joined Koo's lab in 2013, he proposed using these nanoparticles in an oral setting, as the oxidation of hydrogen peroxide produces free radicals that can kill bacteria.

Steffen Møller - Holst at SINTEF Energy Research believes that battery - powered vehicles will play a very important role in the emission - free transport of the future, but that this will happen in combination with hybrids, rechargeable hybrids and hydrogen - powered vehicles.

Co-author Professor Sir John Meurig Thomas, from the Department of Materials Science and Metallurgy at the University of Cambridge, said the work could be extended so that many of the liquid components of refined petroleum and inexpensive solid catalysts can pave the way for the generation of massive quantities of high - purity hydrogen for other commercial uses, including CO2 - free energy production.

For example, instead of stealing an electron from double - bonded carbons or a nearby propagating chain, the carbon atom with the free radical sometimes steals an entire hydrogen atom from another chain end.

The free hydrogen easily escapes into space, Dan Garisto reported in «Massive dust storms are robbing Mars of its water» (SN: 2/17/18, p. 8).

However, hydrogen sulphide in the atmosphere and sulphurous gold complexes in river water are stable only in the absence of free oxygen.

«It required an oxygen - free atmosphere that was temporarily very rich in hydrogen sulphide — the smell of rotten eggs.»

The hydroxyl radical consisting of one hydrogen and one oxygen atom, is one of the most common free radicals in the air and is therefore often referred as the detergent of the atmosphere.

Squeezing hydrogen at extreme pressures changes it into a mix of honeycombed atoms layered with free - floating molecules — an entirely new state of the element and the first new phase found in decades.

Their ultraviolet light reached free hydrogen gas in the surrounding regions, interacting with the atoms in a way that left a key signature in the radio spectrum from the afterglow of the Big Bang.

Herzberg continued to add to his major scientific discoveries: he was the first to detect the hydrogen molecule in planetary atmospheres, the first to uncover the presence of water in comets, and the first to identify dozens of free radicals (including methylene CH2 and methyl CH3) in the laboratory and interstellar clouds.

But by altering the simulation's parameters to give it a lower starting level of neutrons and a higher level of already - freed protons, the team found the universe could still form heavy hydrogen, or deuterium, and with it the basis of life.

«The discovery of native molecular hydrogen (H2) completes the set of what I would call the «basic» requirements for life as we know it: Liquid water, organic molecules, minerals, and an accessible source of «free» energy.

These planets do not exhibit prominent spectroscopic signatures at near - infrared wavelengths either, which rules out cloud - free hydrogen - dominated atmospheres for TRAPPIST - 1 d, e and f, with significance of 8σ, 6σ and 4σ, respectively.

Response: SMR - 160 can be sited at the center of an industrial cluster to provide safe, dependable, carbon - free electrical energy or industrial steam to power a variety of industries such as desalination and hydrogen generation.

The results quantify the nature of gas molecules containing carbon, hydrogen, and sulfur in the earliest atmosphere, but they shed no light on the much later rise of free oxygen in the air.

Molecular hydrogen acts as a selective antioxidant, targeting only the worst of the free radicals, the hydroxyl free radical (also known as OH).

Bryan: So, you, it seems that you do have excess oxidative stress because of this excess superoxide dismutase, the amount of it, and but, and you're probably turning that superoxide radical into hydrogen peroxide, fine, but you're not turning that hydrogen peroxide into water, leaving yourself, maybe with excess free radicals.

And, if you follow that sort of progression that I just mentioned, if you have functioning superoxide dismutase, but not glutathione or glutathione peroxidase, then you're stuck with too much hydrogen peroxide, and hydrogen peroxide is one electron away from being another free radical.

Some ORT formulations use small amounts of free floating amino acids to aid in hydration, and as these use different transporters that create different gradients (amino acids use a hydrogen ion gradient), the two can work in unison under similarly stressed conditions.

While there are many types of free radicals that can be formed, the most common in aerobic (oxygen breathing) organisms are oxygen free radicals, often referred to as Reactive Oxygen Species (ROS), which include superoxides, hydroxyl anions, hydrogen peroxide and singlet oxygen.»

The combination of vitamin C, certain metals, and hydrogen peroxide makes up a free - radical generating process called the «Udenfriend system».

For example, the hydrogen bonding interaction between the phenolic — OH and the o - methoxy groups in curcumin influences the O - H bond energy and H atom abstraction by free radicals, thus making it a better scavenger of free radicals compared to other curcuminoids such as BDMC.

That makes it alkaline, with about 2.5 times fewer hydrogen ions in a given fluid volume than pure (unnatural, mineral - free) water, which has neutral pH of 7.

Generation of reactive oxygen species, or free radicals such as superoxide and hydrogen peroxide, is a normal byproduct of metabolism, but can damage cellular machinery when excessive and impair the production of cellular energy, which becomes a vicious cycle as energy - intensive repair processes become untenable (25, 26).

The Flanagan Silica MicroCluster is a unique form of silica hydride that safely stores negatively charged hydrogen ions, and releases them into the body whenever free radicals are encountered.

In addition to free roadside assistance for three years and an expanded warranty, Toyota will also pay for three years of hydrogen fuel, valued at up to $ 15,000.

The upshot is that Hyundai will pay for an unlimited amount of hydrogen for lessees, which means driving the Tucson is both greenhouse - gas and cost free.

Hong Kong - based Hybrid Kinetic Group does specialise in turbine systems however, and its website makes claims that its turbine generators are as little as a half to a third the size of a conventional piston engine, runs 20,000 hours maintenance free and can run on virtually any fuel - from petrol and diesel to hydrogen, or propane.

Toyota will grant royalty - free use of approximately 5,680 hydrogen fuel - cell - related patents held globally, including critical technologies developed for the new Toyota Mirai.

EfficientDynamics covers every conceivable aspect of an automobile, including electrification, with the eventual goal of emission - free driving pleasure in the form of a combustion engine fueled by hydrogen.

With a great expansion in windmills and very likely hydrogen gotten from splitting of water by catalysts -LRB-(2 recently reported) we could soon have emission - free energy.

The scale of an orderly transition to solar - hydrogen power plants, millions of «energy free» homes and a carbon - free transportation system over a period of 25 years is doable and would cost less than waging energy waes.

When the electron is lost it becomes the positive ion of hydrogen — which can be and is described by my reputable source as a free proton.

The Bush administration has placed major emphasis on the potential of hydrogen technology to provide a pollution - free substitute for carbon - based fuels by the second half of this century.

The report is available free of charge with purchase of the report, «Global Market for Hydrogen Fueling Stations, 2017.»