Sentences with phrase «by cycling gases»

That's because volcanic outgassing helps a planet maintain moderate, life - inviting temperatures, regulating the atmosphere by cycling gases such as carbon dioxide between the atmosphere and the mantle.

Not exact matches

The Virginia State Corporation Commission has approved Dominion Virginia Power's plan to build a 1,588 MW, natural gas - fired combined - cycle plant in Greensville County, rejecting the assertion by groups representing independent Continue Reading
I created the above chart of IPOs for 1990 - 2016 using Univerisity of Florida's Jay R. Ritter's data, Prof. Ritter uses a tight definition of IPOs which I believe is more helpful for getting a sense of where we are in the current bull cycle by excluding some noise, «follow - on offerings, oil & gas partnerships or unit trusts, ADRs (9 offerings), REITs», etc..
Our carbon validation and verification activities are covered through accreditation by the American National Standard Institute for ISO 14065:2007 Greenhouse gases, with renewal on a three - year accreditation cycle.
Results of a Life Cycle Assessment performed by DuPont show 50 % savings in greenhouse gases for flexo vs. gravure printing.
Life cycle analyses of diapers done by Franklin Associates in the U.S. and the UK's Environment Agency found that using cloth diapers instead of disposables would decrease landfill waste but increase water use and greenhouse gas emissions.
Documents exclusively available to Citi News show that, the agreement for the 400MW combined cycle gas turbine power plant to be situated in Tema, will be executed by Early Power Limited, a company incorporated in Ghana only in October 27, 2014.
The project involves the development, ownership, operation and management of the 400MW Combined Cycle Plant to be fueled by either Liquefied Petroleum Gas (LPG) or Natural Gas (NG) for a 25 - year period by Early Power Limited in Tema, strategically close to the Tema Oil Refinery (TOR).
NRG is the largest taxpayer in Chautauqua County and the company's original proposal to repower the station with a combined cycle natural gas system was strongly supported by the city of Dunkirk.
A new study by Suzanne Baldwin, the Michael G. and Susan T. Thonis Professor of Earth Sciences, and Jayeshkumar Das, a research associate of Earth sciences, brings insight to how atmospheric noble gases, in particular argon and neon, cycle from the surface to the Earth's mantle, and back to the surface again.
Natural gas combined - cycle power plants are already heavily favored by utilities to the near exclusion of coal, said Joost de Gouw, an atmospheric scientist with National Oceanic and Atmospheric Administration's Cooperative Institute for Research in Environmental Sciences.
But new research into the processes of nutrient cycling published today reveals how farmers could mitigate the effects of this harmful gas by boosting copper levels in fields.
This is because firstly, the micro-organisms that break down dead trees produce copious amounts of CO2, and secondly, there is less vegetation remaining that can remove the greenhouse gas from the air by capturing the carbon in leaves, trunks and roots as part of its growth cycle.
«As powerful as the cycle is, it is also surprisingly susceptible to environmental changes — and humankind is imposing massive perturbations on Amazonia by both cutting down the trees and heating up the air with greenhouse gases, which reduces large - scale moisture transport and precipitation, and end up affecting even the untouched patches of the forests.»
Charlie's research told him that during El Niño weather cycles, the surface seawaters in the Great Barrier Reef lagoon, already heated to unusually high levels by greenhouse gas — induced warming, were being pulsed from a mass of ocean water known as the Western Pacific Warm Pool onto the reef's delicate living corals.
The present result would also widen the range of both basic and applied researches on superconductivity, because the Tc of 50 - 60 K achieved in the present study is high enough to keep the superconducting state by using a closed - cycle - gas - type cooling system without liquid helium.
By comparison, today's simple cycle power plants (gas turbine generator only) operate with efficiencies ranging between 33 and 44 percent depending on the size and model.
Sandia is evaluating the receivers» performance with different gases by flowing air, carbon dioxide and helium through the receiver tubes with the ultimate goal of pairing the new receiver designs with supercritical carbon dioxide Brayton cycles.
In its oxidised state, carbon forms the greenhouse gas CO2, which is removed from Earth's atmosphere especially by the silicate - carbonate cycle, which acts like a thermostat.
«While this increase is similar to that produced by greenhouse gases, it may well turn round with the 11 - year cycle so it can't be used to imply any long - term forcing.»
«The warming caused by greenhouse gases and the warming associated with this natural cycle will compound one another.»
They will follow this approach to design a novel treatment plan by rationally combining gemcitabine with cell cycle checkpoint inhibitor, oxygen - enrich gas inhalation, and radiotherapy to significantly inhibit the growth of aggressive glioma.
These mating calls are generated by superfast muscle fibers that surround the fishes» swimbladders and undergo rapid cycles of contraction and relaxation in order to make these gas - filled organs vibrate.
The gases and dust grains seen by the JCMT are not just important for the life cycle of stars.
My co-authors and I have argued in previous papers that climate cycles on early Mars could have been driven by oscillations in the carbonate - silicate cycle, which would have provided transient warming from the accumulation of greenhouse gases by volcanoes and subsequent loss by weathering.
Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors
It improves compression, and in turn mileage, by forming a better seal around the top piston rings (much like a two - cycle engine that has oil mixed into the gas).
The gas - powered propulsion is supplied by a 1.6 - liter Atkinson - cycle inline four that makes 104 hp and 109 lb - ft.
As a compensation for the error, the automakers will be providing current and former owners with debit cards that cover the cost of fuel calculated by the difference in the new and old EPA combined cycles, the price of gas in the owner's area, and the amount the owner drives.
The combined energy of a dynamic electric motor powered by a lithium - ion battery and the 2.0 L Atkinson - cycle I - 4 gas engine propels C - MAX Hybrid.
It's in having an all - electric powertrain so you can get the efficiencies of regenerative braking that gas - electric hybrids enjoy without the moving parts and the inefficiencies imposed by a Carnot - Cycle engine.
The AMG SPEEDSHIFT DCT 7 - speed sports transmission is installed 0.4 inches lower in order to give the vehicle a lower center of gravity and is braced against the body by gas - filled struts to avoid stress cycling.
The «quadruple» continuously variable camshaft adjustment process is further enhanced by shifting camshafts, which are used to enable opening of the exhaust valves and, therefore, further improve the engine's gas cycle.
Total fuel economy is expected by Mitsubishi to be 25 mpg under the EPA cycle, but this of course can be wildly improved if the driver utilizes the all - electric drive function and keeps the gas engine off.
The 2.3 - liter inline - four gas engine is optimized for efficiency with the Atkinson combustion cycle, which lowers the effective displacement of the engine by letting a bit of the fuel - air mixture out through the intake valves at the beginning of compression.
optional on the Pontiac Solstice and controlled by a button on the steering wheel that cycles through a list of data shown via a dot - matrix display in the center of the speedometer, including average gas mileage, range to empty, and average speed.
This results first and foremost from an increase in engine capacity by 200 cc to 3.8 litres and from the improved gas cycle: now not only the intake, but for the first time also the exhaust camshafts are adjusted by VarioCam.
Exterior Camera: YesA / C: Central 1 intakeHeating: Central Generator: Onan 3.6 kwAwning: 16FtEmergency / Aux Start: YesTV: 21In dell 16 IN sharpExterior: Fiber GlassElectric Step: 2Tires: GoodDecor: Fabric / Cloth Dining Style: dinetteSofa / Couch: couchBedroom: Walk Around Queen Refrigerator: Counter Tops: FormicaMicrowave: sharp convectionStove: 3 burner Windows: single pannedSound System: Am / Fm / CD Satellite Dish: Yes with antennaElectrical Svc: 30Fuel Tank: tank size unknown LP Gas: 24 GalWater Heater: 7 galFresh Water: tank size unknown Grey Water: tank size unknown Waste Water: tank size unknown Batteries: 4 Deep Cycle 2 Engine Condition: ExcellentCar fax: yes Stock #: VIN: 1FDWE45F03HA97749Manuals: Extra Facts Exterior StorageSmall: 2ExteriorAwnings: 3ft, 4 ft, 5 ft, 3 ftSlide outs: 6ft, 5 ftSpotlightTow HitchSolar Panel: 4 by 1 ftshower station w / Phone Jack w / cable TVInteriorCruise controlmirror controlspowered seats driver and passengerRCA DVD player Safe T alert: Carbon Monoxide alarm3 main lights 1 driver light2 bedroom Storage w / dresser doorsDay shadesBathroom mirrors w / medicine cabinetWood CabinetryTrailer Brake Control Air Ride Suspension System
By closing exhaust valves later than normal, the cam phasing system forces the desired amount of exhaust gas back into the combustion chamber for more complete burning in the next combustion cycle resulting in improved fuel economy and lower emissions.
Surrounded by native Casuarina trees 2 Queen rooms with ensuites (each with bath & separate shower) Small kitchen (cook top, microwave, appliances, pots & pans) TV, DVD, CD, VCR Wood fire, ceiling fans, reverse cycle air conditioning Outdoor furniture & gas barbecue Linen and towels provided Breakfast provisions (Bacon, eggs, mushrooms, tomatoes, juice, milk, selection of cereals, bread, jams, spreads, teas / coffees) Wine, cheese plate & surprises
2 bedrooms, each with: Brand new Sealy Posturepedic king size pillow - top bed Crisp white linen Reverse cycle air conditioner 2 bathrooms, each with: Shower with luxurious showerhead Fluffy white towels Hair dryer Stylish modern freestanding bath in one bathroom Fully equipped two - pac kitchen Smeg 5 burner gas hob Smeg stainless steel oven, microwave and dishwasher Massive stainless steel side - by - side fridge Saeco automatic espresso coffee machine filled with complimentary coffee beans 30 Schott Zwiesel German crystal glasses Fine china Rates do not include breakfast provisions.
In the cooler months, the cottage is heated by a gas pot belly and a «Victorian» open fireplace, the studio has reverse cycle aircon and a gas heater.
This could be explained by the role of the greenhouse gas CO2, which varies in abundance in the atmosphere in sync with the glacial cycles and thus acts as a «globaliser» of glacial cycles, as it is well - mixed throughout the atmosphere.
While the local, seasonal climate forcing by the Milankovitch cycles is large (of the order 30 W / m2), the net forcing provided by Milankovitch is close to zero in the global mean, requiring other radiative terms (like albedo or greenhouse gas anomalies) to force global - mean temperature change.
# 29 — the phenomenon of greenhouse gases retaining heat at the surface of the earth operates on decadal scales, and the orbital variations (Milankovitch cycles) which cause the waxing and waning of the ice ages operate on millennial scales, and both are fundamental physical processes, and are not elucidated by computer models.
One should also pay attention to other greenhouse gases, particularly methane (from rice paddies, ruminant animal digestive processes, industrial processes, and distributed natural sources, some of which could be triggered to large releases by warming) and nitrous oxide (from the nitrogen cycle linking the atmosphere, plants, and bacteria, now exacerbated by extremely heavy use of nitrogenous fertilizers in agriculture; note, as does Vaclav Smil from the University of Manitoba, that fertilizer use is required to feed half the world's current population.
Here the cycle is ionize the gas to make the plasma, build up the current, heat the plasma with an external heater until the temperature for fusion is reached, turn off the heater, and then have the energy require to keep the temperature high generated by the fusion reaction itself.
Substitution through increased utilization of existing combined cycle natural gas power plants provides a relatively low - cost, short - term opportunity to reduce U.S. power sector carbon dioxide emissions by up to 20 percent, while also reducing emissions of criteria pollutants and mercury.
This is in principle wrong because there are CO2 and CH4 natural cycle mechanisms that determine the concentration of these gases in the atmosphere and these mechanisms might be driven by the sun.
I'm not kidding — despite the April 1st joke and the resemblance to astrology — Scafetta claims that there is a 60 - year cycle in the climate variations that is caused by the alignment of the great gas giants Jupiter and Saturn.
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