Sentences with phrase «from gas phase»

We propose a different source of potential energy associated with water vapor removal from the gas phase: after the Mayan forests were destroyed, evaporation and condensation ceased to occur over the Yucatan peninsula (irrespective of how its albedo changed).

A semi-analytical method for calculating rates of new sulfate aerosol formation from the gas phase.

A consequence of bacis thermo, Le Chatelier's Principle, says that if you push CO2 into this system, equilibrium will be shifted slightly, but most of the CO2 will disappear from the gas phase.

Water vapor condenses and disappears from the gas phase when moist air ascends and cools.

Sakai al. have found that carbon - chain molecules and their related species such as cyclic - C5H2 almost completely disappear from the gas phase inside a raius of 100 AU around the protostar.

When matter turns from its gas phase back into its liquid phase, the molecules take up much less space and exert far less pressure.

Under steady - state conditions, the consumed lattice - oxygen is continuously restored by oxygen uptake from the gas phase.

As no direct coordination via the nitrogen atom took place, the researchers assume a reaction from the gas phase with a potential activation on the ammonia molecule.

Switching to a transfer method that moves compounds from a gas phase to water produced a slight increase in volume.

This reaction could play an important role in explaining the observed depletion of ozone over Antarctica; it releases photolytically active chlorine from its most abundant reservoir species, and it promotes the formation of HNO3 and thus removes nitrogen dioxide (NO2) from the gas phase.

Not exact matches

Among the factors that could cause actual results to differ materially are the following: (1) worldwide economic, political, and capital markets conditions and other factors beyond the Company's control, including natural and other disasters or climate change affecting the operations of the Company or its customers and suppliers; (2) the Company's credit ratings and its cost of capital; (3) competitive conditions and customer preferences; (4) foreign currency exchange rates and fluctuations in those rates; (5) the timing and market acceptance of new product offerings; (6) the availability and cost of purchased components, compounds, raw materials and energy (including oil and natural gas and their derivatives) due to shortages, increased demand or supply interruptions (including those caused by natural and other disasters and other events); (7) the impact of acquisitions, strategic alliances, divestitures, and other unusual events resulting from portfolio management actions and other evolving business strategies, and possible organizational restructuring; (8) generating fewer productivity improvements than estimated; (9) unanticipated problems or delays with the phased implementation of a global enterprise resource planning (ERP) system, or security breaches and other disruptions to the Company's information technology infrastructure; (10) financial market risks that may affect the Company's funding obligations under defined benefit pension and postretirement plans; and (11) legal proceedings, including significant developments that could occur in the legal and regulatory proceedings described in the Company's Annual Report on Form 10 - K for the year ended Dec. 31, 2017, and any subsequent quarterly reports on Form 10 - Q (the «Reports»).

The accord, which seeks to phase out greenhouse gas emissions this century with a shift from fossil fuels, says in its Article 28 that any country wanting to pull out after joining up has to wait four years.

Industrial hemp provides both reductions in greenhouse gas contributions from the building sector during construction and lowers energy consumption in the use phase.

At some point, to extend an earlier metaphor, we may see a phase change — just as water goes from liquid to gas at the boiling point, this explosion of new niche audiences may create a political environment that is so changed that it's clearly a new structure.

He made references to some projects that government has borrowed monies from the international market to initiate for infrastructure transformation, the $ 100 million works on upgrade of the Tamale airport to an international airport; $ 38 million Tamale teaching hospital phase one; $ 172 million Kejetia Market; $ 1billion Atuabu gas project, roads infrastructure among other tall lists of projects in the country that he said are visible for Ghanaian to see.

«Reducing carbon pollution from electric power plants is a good start, but the goal must be phasing out coal, oil, and natural gas as our energy sources,» said Howie Hawkins, Green candidate for Governor of New York (http://www.howiehawkins.org).

The reaction rate between atmospheric hydrogen chloride (HCl) and chlorine nitrate (ClONO2) is greatly enhanced in the presence of ice particles; HCl dissolves readily into ice, and the collisional reaction probability for ClONO2 on the surface of ice with HCl in the mole fraction range from ∼ 0.003 to 0.010 is in the range from ∼ 0.05 to 0.1 for temperatures near 200 K. Chlorine (Cl2) is released into the gas phase on a time scale of at most a few milliseconds, whereas nitric acid (HNO3), the other product, remains in the condensed phase.

Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.

But the newly discovered objects may have kicked off the subsequent phase of reionization, in which ultraviolet starlight stripped electrons from hydrogen gas.

A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back.

The study by Miller and her colleagues is believed to be the first head - to - head comparison of coal and shale gas from the resource extraction phase through electricity generation.

While removing iodine in the gas phase is relatively common, iodine has never been removed from water prior to the Dartmouth research.

In particular, they expect to observe a phase transition — similar to the transition from gas to liquid — called the Bose condensation.

One option for separating hydrogen from gas mixtures is a two - phase membrane.

Braden explains this would result in a phase transition, a change similar to how water changes from liquid to gas at its boiling point — only for the entire universe.

Instead of reacting with all of the available acidic sulfates, the alkaline ammonia emitted from agricultural operations and other sources appears to form an equilibrium between gas - phase compounds and particle compounds.

The dependence likely arises from gas - phase chemistry of organic peroxy radicals, which compete with NOx in reactions, and succeeding particle - phase reactions.

The key to air conditioning is evaporation: the cooling occurs when a liquid absorbs energy from its surroundings and changes phase to evaporate as a gas.

Weaver's models also demonstrate that once the temperature in the dust cloud reaches about — 280ºF, most of the molecules evaporate from the ice on dust grains and enter a gas phase, allowing them to react a lot more quickly and to form complex molecules.

«We managed to present the first molecular evidence of a direct and ubiquitous source of ELVOCs arising from the oxidation of monoterpenes and other volatile organic compounds in the gas phase.»

As lava rises from the depths toward the surface, volatiles dissolved within it change phase from liquid to gas, expanding in the process.

Global energy - related emissions could peak by 2020 if energy efficiency is improved; the construction of inefficient coal plants is banned; investment in renewables is increased to $ 400 billion in 2030 from $ 270 billion in 2014; methane emissions are cut in oil and gas production and fossil fuel subsidies are phased out by 2030.

To identify and structurally characterize biomolecules from complex samples, we perform rapid (µs - ms) two - dimensional gas - phase separations using ion mobility - mass spectrometry (IM - MS) techniques.

«They are likely formed on icy grains in the disk and then released into the gas phase because of heating from stellar radiation or some other means, such as shocks,» says co-author Zhi - Yun Li of the University of Virginia.

At the presentations of their research results, the two students showed their findings respectively focused on (i) Accretion and rotational movement of gas around a protostar and the formation of a circumstellar disc and (ii) Identification of bipolar jets (mass ejection) from multiple protostars and classification according to the evolutionary phases.

Our spectra, obtained with the Infrared Spectrograph (IRS) onboard the Spitzer Space Telescope, reveal gas - phase absorption from CO2 (15.0 um), C2H2 (13.7 um) and HCN (14.0 um).

We show that 9 massive YSOs also reveal molecular gas - phase absorption from CO2, C2H2, and / or HCN, which traces warm and dense gas in YSOs.

The Oregon legislature has adopted a first - in - the - nation plan to phase out electricity from coal, a major source of climate - changing greenhouse gases.

Using molecular dynamics simulations, the researchers calculated 24,400 independent configurations of neutral, gas - phase gold clusters containing 5 to 14 atoms at temperatures from -173 to 541 °C (100 to 814K).

When a star ages and the red giant phase of its life comes to an end, it starts to eject layers of gas from its surface leaving behind a hot and compact white dwarf.

If GMC dealerships had made room for Hummer, it would have been easier to phase out when its brand perception went from war hero / tough guy «cool» to gas - guzzler anachronism.

Get on the gas hard and drive through this transient phase and the Roadster composes itself and explodes from corner to corner.

This solid to gas phase change is known as sublimation and removes nearly all the moisture from the product, while retaining most of the nutrients.

You will still endure that nervy survival phase, flitting from greenhouse to gas station in an effort to gather gear and avoid conflict - DayZ is one of those zombie games where the ravenous undead are the not what haunts your every step.

Methane hydrate seems menacing as a source of gas that can spring aggressively from the solid phase like pop rocks (carbonated candies).

The UT study, which only deals with the extraction phase of the natural gas supply chain, is the opening chapter in this broader scientific effort designed to advance the current understanding of the climate implications of methane emissions resulting from the U.S. natural gas boom.

That's why a great deal of attention was paid last week to the results of a two - day aerial survey over gas fields in southwestern Pennsylvania that calculated emission rates of methane (the main component of natural gas) from two well pads still in the drilling phase.

Last month, almost 200 nations agreed at a summit in Paris to phase out net greenhouse gas emissions this century to limit rising temperatures blamed for causing everything from more heat waves to downpours.

Judith's point about the warm phase of the PDO from 1976 - 1998 is a good one, and the question quite germain to trying to understand how much of that period was anthropogenic versus PDO, but the more important point is actually how much is the PDO (and by extension, the nature of the ENSO cycle) being influenced by the highest GH gas concentrations in millions of years.

Unused greenhouse - gas emission permits from the first period won't have buyers in the second phase, officials from the European Union and the United Nations said earlier this week.