Sentences with phrase «changing gas phase»

Not exact matches

Critics say Dominion should move more quickly to help address climate change by phasing out fossil fuels, including natural gas.
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»).
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.
«Saying we need to actually phase down greenhouse gas emissions, I think that's a real sea change
Supporters say it's possible to phase out gas cars, while conceding that changes are needed to make it work.
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.
A refrigerant is a compound used in a heat cycle that undergoes a phase change from a gas to a liquid and back.
A major test of the world's willingness to phase out greenhouse gases will arrive in December, when nations gather in Paris to try to agree on what to do about climate change.
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.
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.
In the end, natural gas will always be a fossil fuel that would need to be phased out (or its global warming pollution captured and stored) in the next few decades to avoid even worse climate change.
As lava rises from the depths toward the surface, volatiles dissolved within it change phase from liquid to gas, expanding in the process.
What's Next: The researchers are now working to determine how electron affinity changes when solvent molecules are attached to the organofluorine compounds in the gas phase.
Why It Matters: One of the most powerful diagnostic and analytical tools in chemistry and materials science, MAS NMR spectroscopy provides high spectral resolution and detailed structural information about a sample on an atomistic or molecular level and allows scientists to follow changes over time regardless of whether the sample is a solid or a liquid or a mixture of solid, liquid, and gas phases.
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.
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.
Regarding the «gobbledegook alchemical claims» of Dr. Jaworoswki, maybe you can clear my confusion and present quantitative analysis of changes in gas composition that occur during 2 - 3 millenia of air occlusion time, pressurised stage for 400,000 years, and drillng and sample extraction phases?
The physics of solar radiation, green house gas radiation physics, and H2O phase change provide us with a calculation that shows more than a thousand years is necessary.
The report, entitled Financing Climate Disaster: How Export Credit Agencies Are a Boon for Oil and Gas, calls on USEXIM and other nations» export credit agencies (ECAs) to phase out all financial support for fossil fuels by 2020 at the latest, in order to help prevent the worst impacts of climate change.
Professor Kevin Anderson, Tyndall Centre for Climate Change Research and the Teesside University said: «If the EU is to transform its energy system to align with the Paris temperature and equity commitments, it can not continue with business as usual and must instead initiate a rapid phase out of all fossil fuels including natural gas.
Story: Peak petroleum; Story: Strong negative phase of the Arctic Oscillation (AO); Story: Polar Amplification Effect & Current Polar Conditions; Story: Mass tree deaths in Amazon; Story: GOP pushes to drop climate change research funding; Story: House Energy & Commerce Committee pushes to repeal EPA's authority to regulate greenhouse gases;
Thus, the phase change of water from liquid to gas, after absorbing photons, is a feedback, the absorption of photons and the emission of photons atmospheric water vapor is a forcing, but the photons released when gaseous water become liquid water is a feedback.
1: Thermodynamics and charge balance place serious restraints on the ability of dissolved carbon dioxide to pass into the gas phase as a result of local temperature changes.
The Clean Energy Future: Protecting the Climate, Creating Jobs, and Saving Money puts forth a plan that expands renewable energy and energy efficiency, phases out all coal - fired power by 2050, and decreases natural gas capacity, along with modest changes in other sectors.
The case dates back to October 2008, around the same time the European Commission introduced phase two of its EU emissions trading system (EU ETS), which was designed to combat climate change by reducing greenhouse gases.
Since most ODS are «super» greenhouse gases (GHG) with global warming potentials (GWP) hundreds or thousands of times greater than carbon dioxide (CO2), this phase - out has had dramatic impacts on mitigating climate change.
As the concentration of gaseous water (water «vapor») in the atmosphere is on the order of 3o, 000 to 40,000 ppm, this trace greenhouse gas really * is * the invisible 800 lb gorilla in the room even if we ignore the phase change effects.
An amendment to the Montreal Protocol phasing down these gases will lead to significant near - term climate change mitigation.
The main purpose of the first phase (development of the RCPs) is to provide information on possible development trajectories for the main forcing agents of climate change, consistent with current scenario literature allowing subsequent analysis by both Climate models (CMs) and Integrated Assessment Models (IAMs).1 Climate modelers will use the time series of future concentrations and emissions of greenhouse gases and air pollutants and land - use change from the four RCPs in order to conduct new climate model experiments and produce new climate scenarios as part of the parallel phase.
ECO was pleased to wake up Sunday to the news that Presidents Obama and Xi had agreed to work together to combat climate change by phasing down the super greenhouse gases, hydrofluorocarbons (HFCs), under the Montreal Protocol.
The scientific study «Natural Gas and Climate Change» by Professor Kevin Anderson and Doctor John Broderick of the Tyndall Centre for Climate Change Research reveals the urgency with which Europe needs to phase - out all fossil fuels.
But wet lapse rate isn't about weight of atmosphere [in terms weight it's slightly lighter due lower density gas] but it's about an increase of energy [there is both kinetic and potential - but it's concerning change phase of water from gas to liquid - so kinetic energy which affects the pressure.
«If the largest consumers of HFCs are agreeing to phase down these potent greenhouse gases, other countries should join the consensus and take real action to combat climate change
Pekka, yes, again from Wikipedia, it seems to equate adiabatic and reversible applies mostly to perfect gas processes with only phase and / or pressure changes.
The large - scale deployment and use of renewables and natural gas generation represents a significant change in the power flow, both in direction and magnitude, for the bulk power system (BPS) and could be «a significant planning and operational challenge,» concludes NERC's report, «Potential Reliability Impacts of EPA's Proposed Clean Power Plan, Phase 1.»
Yes, H2O has phase changes from gas to liquid to solid etc, which accounts for a lot of the clumpiness.
Increasing GH gases necessarily means the system will accumulate more energy, and the changes in flux of energy from ocean to atmosphere caused by cool phase PDO or ENSO changes don't change the fundamental external forcing caused by increases in GH gases.
«Key among these challenges are the announced nuclear phase - out, reform efforts in electricity and natural gas markets, and overall climate changes policies.»
Condensation is the phase change of water from a gas to a liquid.
incidentally, phase change from liquid to gas has no temperature change — but loads of heat is involved.
I have carried out complex analyses in heat transfer equipment designs in the past involving series of thermal resistances and associated temperature drops — starting with changes of phase, boiling heat transfer to liquid metals, conduction through silicon carbide walls, convection and radiation from non-luminous gases and radiation from refractory walls all on a single spreadsheet.
they won't say what the phase change of water looks like on IR, tho... lol 50,000 times more heat moved by phase change effects of 1 % h20 gas compared to 500ppm co2 in any volume of atmosphere.
AFAIK, Only for «perfect gasses» that don't exhibit a «change of phase» within the included parameters.
It's all part of a ramped up climate change plan that will also include a significant increase in support renewables (unlike the UK's phase out, which leans heavily on nuclear and gas), a methane reduction strategy that is targeting 45 % cuts by 2025, as well as the introduction of a «revenue neutral» carbon tax.
To elucidate human induced changes of aerosol load and composition in the atmosphere, a coupled aerosol and gas - phase chemistry transport model of the troposphere and lower stratosphere has been used.
Topics that I work on or plan to work in the future include studies of: + missing aerosol species and sources, such as the primary oceanic aerosols and their importance on the remote marine atmosphere, the in - cloud and aerosol water aqueous formation of organic aerosols that can lead to brown carbon formation, the primary terrestrial biological particles, and the organic nitrogen + missing aerosol parameterizations, such as the effect of aerosol mixing on cloud condensation nuclei and aerosol absorption, the semi-volatility of primary organic aerosols, the importance of in - canopy processes on natural terrestrial aerosol and aerosol precursor sources, and the mineral dust iron solubility and bioavailability + the change of aerosol burden and its spatiotemporal distribution, especially with regard to its role and importance on gas - phase chemistry via photolysis rates changes and heterogeneous reactions in the atmosphere, as well as their effect on key gas - phase species like ozone + the physical and optical properties of aerosols, which affect aerosol transport, lifetime, and light scattering and absorption, with the latter being very sensitive to the vertical distribution of absorbing aerosols + aerosol - cloud interactions, which include cloud activation, the aerosol indirect effect and the impact of clouds on aerosol removal + changes on climate and feedbacks related with all these topics In order to understand the climate system as a whole, improve the aerosol representation in the GISS ModelE2 and contribute to future IPCC climate change assessments and CMIP activities, I am also interested in understanding the importance of natural and anthropogenic aerosol changes in the atmosphere on the terrestrial biosphere, the ocean and climate.
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 b c d e f g h i j k l m n o p q r s t u v w x y z