Sentences with phrase «by heat sources»

Rather than using a single temperature sensor, a grid of temperature sensors are used at test sites that will encompass «contaminated» areas by heat sources and rather more remote areas.

First, you would think that they would want the very best data possible, but they don't seem to care that government weather sensors are horribly compromised by heat sources.

Replenished by heat sources deep in the Earth, geothermal energy is a renewable resource that generates electricity with minimal carbon emissions.

Heat pumps are normally classified by their heat source and means of delivery, for example • air to air • air to water • water to air • water to water • ground to air • ground to water.

Middle: As the passive cold object is warmed by the heat source, it presents back - resistance to heat flow from the source of heat.

Postma described a black body warmed by a heat source and claimed that you can not make it warmer by reflecting that emitted radiation back.

Not exact matches

The Conservatives have proposed that at least 5 % of gasoline should be made from renewable sources by 2010, while the level for diesel and heating will be 2 % by 2012.

Virgin Volcanic planned to power the VVS1 probe by using heat from the molten lava, thus developing a totally renewable energy source.

Underwater data centers, envisioned to be powered by renewable marine energy sources, is expected to reduce the huge cost associated with cooling data centers that generate a lot of heat, and also to reduce the distance to connected populations.

For instance, Navius found that households in the Peace River region could save up to $ 1200 a year by 2030 on energy costs by switching to cleaner and more efficient vehicles, home heating and energy sources.

Households in the Peace River region could save up to $ 1200 a year by 2030 on energy costs by switching to cleaner and more efficient vehicles, home heating and energy sources.

Goal: By 2050, Canada must be overwhelmingly powered by clean and renewable energy sources — wind, solar, water, biomass, and the heat of the Earth — instead of fossil fuelBy 2050, Canada must be overwhelmingly powered by clean and renewable energy sources — wind, solar, water, biomass, and the heat of the Earth — instead of fossil fuelby clean and renewable energy sources — wind, solar, water, biomass, and the heat of the Earth — instead of fossil fuels.

They are considered an engineering tour de force because their only source of energy is natural gas — conveyed by a single steel umbilical cord — which is then generated into heat and power.

Source Sustainability: Bacardi's «Good Spirited» initiative is working to achieve a zero footprint by installing turbines, solar systems, mass boilers and finding ways to reuse heat and discarded raw materials.

These are all cooked on a round, dome - shaped, table - top griddle molded of heavy iron with ridges on the surface, fired by a strong heat source (usually charcoal) underneath.

And the biomass boiler provides heat and hot water using by - products from the gin distillation process as a fuel source.

Great taste perception, sustained frying colour and reduced heat deterioration are among the benefits of a new «alternative» cooking oil, sourced from crops grown by British farmers.

If you don't have gas appliances, you will need to find an alternative source of heat such as a camp stove powered by propane.

Did the midwives forecast for a potential cooling situation and begin that process by removing all sources of heat?

Top rack dishwasher - safe Stains can be removed by washing with hot - soapy water Store products in a dry place Do not leave in direct sunlight or near a source of heat

Sources: American Family Physician — Latex Allergy Latex - Fruit Syndrome and Class 2 Food Allergy Class I chitinases, the panallergens responsible for the latex - fruit syndrome, are induced by ethylene treatment and inactivated by heating

It make sense the lieutenant governor would brush off a poll last week suggesting she and Williams are in a virtual dead heat, considering the source — Big Dog Strategies, a consulting firm owned by a longtime Collins associate, Chris Grant.

Last winter, over 100 fires reported to the New York State Office of Fire Prevention and Control were determined to be caused by alternate heating sources, according to a news release from Cuomo's office.

But I could imagine a day when the entire energy mix is fueled by renewable energy sources, and then all of the hydrocarbon products — consumable plastics, the fuels that you need for long - term energy storage and heating your home in the winter — all of that could be derived from CO2 conversion.

No doubt some dinosaurs, weighing several dozen metric tons, could not lie on their eggs to incubate them, but they may have used other external heat sources, for example by covering their clutch with a mound of plant matter, which would have provided heat as it decomposed.

By the mid-1800s, coal gas and solid coke had replaced candles, animal oils, and wood as the most important sources of light, heat, and cooking fuel in many European and American cities.

Common examples are the initiation of fires on upholstered furniture by weak heat sources (e.g. a cigarette, a short - circuited wire), and the persistent combustion of biomass behind the flaming front of wildland fires.

Among extant archosaurs, two general types of nests are observed: open nests, where the eggs are uncovered and built by species that brood their eggs; and covered nests, built by species that incubate their eggs using external heat sources.

His device inverts the typical design by putting the LED source and the metal heat sink at the front of the bulb, where there is more exposure to surrounding air and cooling is more efficient.

In this false - color scanning electron microscopy image, thermal conductivity was measured by transporting heat from the suspended heat source pad (red) to the sensing pad (blue).

The main energy source in these adolescent stars, known as T Tauri stars, is the heat generated by their gravitational contraction.

In a thermo - photovoltaic device, heat from an external source (chemical, solar, etc.) makes a material glow, causing it to emit light that is converted into electricity by a photovoltaic absorber.

The German Renewable Energy Sources Act (EEG) still encourages such usage until 2019, e.g. by subsidizing the generation of heat from wood energy with feed - in tariffs or by granting investment subsidies for heating installations such as wood pellet or wood chip heating systems.

The underlying technologies of high temperature storage and thermophotovoltaic conversion could also be used to produce grid - scale batteries able to rapidly supplement other power sources by storing heat for quick conversion to electricity.

The formula, based on established physics, indicates that when a group of atoms is driven by an external source of energy (like the sun or chemical fuel) and surrounded by a heat bath (like the ocean or atmosphere), it will often gradually restructure itself in order to dissipate increasingly more energy.

Using Jarzynski and Crooks» formulation, he derived a generalization of the second law of thermodynamics that holds for systems of particles with certain characteristics: The systems are strongly driven by an external energy source such as an electromagnetic wave, and they can dump heat into a surrounding bath.

It's not only the Earth's prime source of light and heat — it also fuels the greenery that makes breathing possible, keeps time by setting the body's daily rhythms and spits out charged particles that create the beauty of the aurora borealis.

In a traditional X-ray machine, a filament emits electrons when it is heated above a certain threshold, and those electrons fly through the body and hit a metal electrode on the other side, creating images; CT scans produce three - dimensional images by rotating the electron source.

They never caught on, however, because they could not compete with those powered by cheap electricity and because their heat source — burning biomass or natural gas — is difficult to manage.

By varying the size of heat sources, Chen and his colleagues can map out how far phonons travel between collisions, and how much they contribute to heat conduction.

Some fuel sources can generate their own heat — by rotting, for instance.

In a UC Berkeley lab staffed mostly by students, Townes moved on again to pioneer the field of infrared astronomy, essentially looking at sources of heat in outer space, and precision infrared spectroscopy.

Because Uranus has no internal source of heat, its atmospheric activity was thought to be driven solely by sunlight, which is now weak in the northern hemisphere.

Some researchers even theorize that the dinosaurs were wiped out by prehistoric hypercanes, a kind of super-hurricane stirred to life by the heat of an asteroid strike [source: National Geographic].

By combining local light - induced heat sources with sensitive nanoscale thermometry, it may also be possible to engineer biological processes at the subcellular level.

Those rates can change if the group is affected by disease or other deadly conditions (such as accidents, natural disasters, extreme heat or war and other sources of violence).

When they applied an energy source to the fibers — typically heat — the scientists got different versions of their artificial muscle fibers to contract by 49 % or to expand by 67 %.

Through a process known as convection, cooler nitrogen ice located in the middle of the cells falls away, and is replaced by a rising globule of (relatively) warm material, which has been heated by Pluto's feeble interior heat source.

As nitrogen ice on the surface of the plain cools, it recedes, only to be replaced by a rising blob of nitrogen that has been warmed by Pluto's meagre internal heat source.

Its mass is indistinguishable from that of HD 209458b, but its radius is significantly smaller and fits the theoretical models without the need for an additional source of heat deep in the atmosphere, as has been invoked by some investigators for HD 209458b.