Sentences with phrase «field emission of»

Not exact matches

The government will also give LNG Canada and other large emitters a break on carbon taxes, if they can meet strict new benchmarks for reducing greenhouse gas emissions, and will aggressively pursue electrification of natural gas fields.

CA Department of Food and Agriculture awards CSWA a $ 450,000 grant for a four - year project to drive climate protection and innovation through field testing a carbon offset and greenhouse gas emissions model for California wine grape growers (2010)

Field studies in southeastern Morocco, just a few kilometers away from the site of this dust storm, show that electric fields generated by blowing sand boost dust emissions up to 10 times more than expected from wind alone.

Their goal is to monitor emissions from roughly 50 major oil and gas fields that account for around 80 % of the world's oil and gas production.

These new, non-invasive tools — representing significant advances related to positron emission tomography (PET), 3 - D microscopy and the use of magnetic fields and nanoparticles to remotely control targeted cells...

Field measurements of methane emissions from two termite nests in Guatemala corroborated the laboratory results.

Using field data and computer models, it was then possible to calculate the volume of carbon emissions along these forest borders.

Fluorescently labeled synaptic vesicles inside the axons of cultured neurons were recorded with stimulated emission depletion (STED) microscopy in a 2.5 - micrometer by 1.8 - micrometer field of view.

The system enables large - bore, multi-cylinder engines used in trains, pipelines, backup diesel generators and other fields to run efficiently while producing lower levels of harmful emissions than they do currently.

«We control the below - threshold harmonic light emission by using electromagnetic fields with time - dependent ellipticity, like we have done to the above - threshold high - order harmonics,» said Chang referring to the creation of a 67 - attosecond pulse of extreme ultraviolet light, which earned him international recognition.

The simplicity and low cost of a smell test — $ 26.95 retail, before additional doctor or hospital charges — make it especially appealing in neurology, a field dominated by positron - emission tomography scans, dopamine transporter single - photon emission computed tomography imaging and other expensive technologies.

Such technology could cut acid rain — causing sulfur dioxide emissions by more than 90 percent, smog - forming nitrogen oxides by 75 percent, and — ultimately — capture more than 80 percent of the CO2 normally produced by combustion, storing it in nearby depleted oil fields by 2015.

Contrary to predictions, the sun's tail is slightly twisted by the interstellar magnetic field and reflects the varying intensity of solar wind emissions back on the sun.

«In many ways, we're saying we expect a bit of magic to occur,» says Chris Field, a climate scientist at Stanford University in Palo Alto, California, who instead favors drastic emissions reductions.

The atom is then transferred into an environment of a light field in which the light - absorption and light - emission of the atoms act as collisions with other particles.

This has led to a large decrease in sulfur emissions, and less atmospheric deposition of sulfate to agricultural fields, and consequently, declining sulfate concentrations in rivers.

Woods Hole Research Center (WHRC) Assistant Scientist Sue Natali and colleagues engineered first - of - a-kind warming experiments in the field to determine net gains or losses in carbon emissions.

FIELD FUMES California's agricultural regions are responsible for between 20 and 51 percent of the total emissions of nitrogen oxide gases in the state, new research finds.

Refineries, pipelines and remote fields of oil and gas wellheads can be hard to monitor, but an orbiting satellite traveling over 4 miles per second can measure a facility's emissions more cheaply, more accurately and more often.

In succession, the Ulysses probe, near Jupiter, and Cassini, then approaching Saturn, picked up emissions as the still - potent stream of particles rammed into those planets» magnetic fields.

They agreed to endorse the World Bank's Zero Routine Flaring initiative to reduce wasteful burning of natural gas at production fields, and to reduce emissions of hydrofluorocarbons, or HFCs, which are industrial gases with a high potential to trap the earth's heat.

Pourhashem noted the key measurements needed are the rate of soil emission of nitric oxide (NO), which is a smog precursor, after biochar is applied to fields.

Using published data from the circumpolar arctic, their own new field observations of Siberian permafrost and thermokarsts, radiocarbon dating, atmospheric modeling, and spatial analyses, the research team studied how thawing permafrost is affecting climate change and greenhouse gas emissions.

Under a strong electric field, the cathode emits tight, high - speed beams of electrons through its sharp nanotube tips — a phenomenon called field emission.

«We have yet to make real progress in turning the world toward decreasing CO2 emissions,» says the study's co-author Chris Field, director of the Carnegie Institution of Washington's Department of Global Ecology in Stanford, Calif. «A greater buildup of CO2 means more warming.»

The same process could also be important in paddy fields, for example, which account for around 20 percent of human - related emissions of methane.

Depending on their size, so called near - fields (electromagnetic fields close to the particle surface) were induced by the laser pulses, resulting in a controlled directional emission of electrons.

But he said that the promise of reducing emissions and improving human health made the analysis an «important» contribution to the field.

In a paper recently published in Nanotechnology, a team led by Professor My Ali El Khakani, from the Energie Matériaux Télécommunications Research Centre of INRS (INRS - EMT), has reported an original approach for the development of novel graphenated - MWCNTs with enhanced field electron emission (FEE) properties.

To stay in that exact spot, the craft will use a field emission electric propulsion engine, which ejects ions of liquid metal cesium to exert a miniscule thrust to counter tiny forces on the craft, such as the sunlight itself.

The need of the authorities to control radio emissions has meant the development of specific regulation on exposure to electromagnetic fields.

The Solar Dynamics Observatory, launched by NASA in February, returns 16 - megapixel images of the sun on a nearly continuous basis, splits the sun's emissions into its individual wavelengths, tracks the propagation of waves across the sun's surface and maps the ever shifting solar magnetic field.

The colored fields (wedges) show estimated emission reductions achieved in the carbon - intensive industry in the period 2010 — 2050, assuming ambitious deployment of technologies and measures that are currently commercially available.

Since the binding energies of the electrons are very small, the DC detector electric field used in the experiment was strong enough to ionize these Rydberg atoms, leading to the emission of low energy electrons.

China is following suit, according to a news story in the same issue of Science, launching the Erdos coal - to - liquid plant in Inner Mongolia that will capture some of its 3.6 million metric tons of CO2 emissions and use it to flush out oil from nearby fields.

David Allen, a University of Texas researcher who conducted measurements from natural gas fields to measure methane emissions, called the study an «important contribution.»

We know that for energies of modest to intermediate energy, the culprit or the source of the acceleration appears to be the shock front that surrounds a [an] expanding supernova blast wave; that is to say, we have a star that undergoes a massive cosmic explosion [and] drives a strong shock wave out into the surrounding interstellar medium, and the gas around the shock wave, and all the magnetic fields associated with it are capable of accelerating particles to very high energies; and also incidentally magnifying and amplifying the magnetic field associated with that shock front and giving a lot of x-ray emission and radio emission and so on, and so we've understood that.

Previous research from Cambridge and elsewhere has shown sparing land for nature by producing more food per field is the «least worst option» for both biodiversity and greenhouse gas emissions, says co-author Andrew Balmford, Cambridge professor of conservation science.

To determine the structural and chemical composition of the soft tissues Lindgren collected and see if the fossil sea turtle did have a dark colored shell, the researchers subjected the sample to a selection of high - resolution analytical techniques, including field emission gun scanning electron microscopy (FEG - SEM), transmission electron microscopy (TEM), in situ immunohistochemistry, time - of - flight secondary ion mass spectrometry (ToF - SIMS), and infrared (IR) microspectroscopy.

This range is mostly free of interference from other radio sources, such as emission from electrons spiralling around galactic magnetic fields.

'' [Our work] demonstrates a new approach for efficient energy conversation from a dc electric field to coherent, high - power and electrically tunable terahertz emission by using hybrid semiconductors,» said Andrii Iurov, a researcher with a dual appointment at the University of New Mexico's Center for High Technology Materials and the City University of New York.

Emissions from vehicles and construction dust also combine with raised levels of black carbon generated from winter sources — fires for warmth, brick kilns that are lit in the autumn, and widespread field burning in neighbouring states.

Husain and the institute's scientists found that from 1964 to 2010, soot emissions were four times higher than the predictions of the field's leading model.

Over three years of field studies in China, researchers consistently demonstrated that SUSIBA2 delivered increased crop yields and a near elimination of methane emissions.

The satellite data is being combined with that collected by the National Lightning Detection Network and from a network of sensors that measure low - frequency electromagnetic emissions, or «sferics,» and changes in the direction of the electric field.

GM crops that tolerate herbicides deserve some praise: They help minimize mechanical weed removal, which means less soil erosion, more carbon stored in the soil and fewer carbon emissions from tilling equipment making trips across fields, scientists noted in 2012 in a special issue of Weed Science focused on herbicide - resistance management.

What would be achieved in this way would be the closing of the cycle of industrial ecosystems and the minimising of the quantity of resources used, waste generated and environmental emissions However, research and innovation in this field are essential to show governments and companies that this approach is feasible.

However, while field measurements of sulfur dioxide emissions are increasing, they still remain too sparse to piece together a cohesive global picture.

ALMA's cutting - edge technology enable astronomers to get, for the first time, evidence of the effect of electric fields on the emission of lines of hydrogen.

After the field campaign, Fast will perform computer simulations to help evaluate all of the field campaign data and quantify the uncertainties associated with using coarse grid global climate models to study megacity emissions and to determine the radiative impact of the Mexico City particulates on the local and regional climate.