Sentences with phrase «very high surface»

In principle, an extreme moist greenhouse might cause an instability with water vapour preventing radiation to space of all absorbed solar energy, resulting in very high surface temperature and evaporation of the ocean [105].

Spinach, kale and lettuce, all vegetables with high agrochemical contamination, are leafy vegetables, and that gives them a very high surface area.

«Activated carbon, because it's so porous, has a very high surface area, and that increases the amount of energy that it can store.»

«Because aerogels have very high surface areas and good thermal properties, we think they could replace precious metals, like platinum, used in current catalytic converters.»

Graphene, the best known of the hundreds of two - dimensional crystals investigated to date, has a very high surface - to - mass ratio.

A curious solution exists in which infinite «walls» of high density are postulated, existing under very high surface tension.

Water's very high surface tension, 72 milliNewtons per metre (mN / m) at room temperature, means it easily forms near - spherical drops when placed on a surface.

The final product, a black carbon powder, has a very high surface area due to the presence of many tiny pores that have been chemically etched on the surface of the microspheres.

Not exact matches

Frying (or sauteing) with just enough fat or oil to prevent sticking at a relatively high temperature causes the meat to brown — in very simple terms, the proteins at the surface of the meat are converted to other proteins that result in a more intense flavor.»

Scraped surface heat exchangers — has a shell inside which there is a high speed rotating scraper blade, which has very fine clearance from the shell.

Cover the setup loosely with plastic to retain moisture, spritz the surface lightly with tepid water every day if it seems dry, and then, after the seeds have sprouted, remove the plastic and move the containers someplace where the seedlings will receive plenty of bright light — either the sill of a super-bright, clean window; very close to a four tube fluorescent fixture; or under some high - intensity grow lights.

If you look for a stroller that tackles different surfaces and speeds with ease but can also be very efficient in maneuvering through an urban environment, there are high chances a jogging stroller is exactly what you should be looking for.

Even before he's reached this milestone, it's a good idea to keep a very close eye on his movements when he's on high surfaces.

(But be careful: Even very young babies can roll over on occasion, so it's important to never leave a baby unattended on a changing table, bed, or other high surface.)

It is possible to have a berg as high out of water as it is deep below the surface; for if we imagine a large, solid lump of any regular shape, which has a very small sharp high pinnacle in the center, the height above water can easily equal the depth below.

«The most basic change was from very limited phosphorus availability to much higher phosphorus availability in surface waters of the ocean,» Reinhard said.

The true polar wander hypothesis seems very plausible when we take a combined look at the patterns of highs and lows across the moon's surface, the physical appearance of surface features and the differences between the current poles.»

Both the 2005 and 2010 droughts were the result of a «very, very unusual» weather pattern linked to higher sea surface temperatures in the Atlantic Ocean, said lead author Simon Lewis, a tropical forests expert at the University of Leeds.

Astrobiologists, who will be presenting their work at the European Planetary Science Congress (EPSC) 2013 in London on Monday 9 September, have shown that Raman spectroscopy can be used to detect micro-organisms even after they have been damaged by exposure to very high levels of radiation, as is encountered on the Martian surface.

Philae will send back a panorama of its surroundings and very high - resolution pictures of the surface and will perform on - the - spot analysis of the composition of the ices and organic material.

«We were quite surprised to see that when we took out the nasal surface material at 4 am and 8 am, we got a very high peak,» Persson says.

«We ended up developing a multilayer technique to first deposit a very thin ITO film at low temperature, followed by another thicker ITO film at a high temperature — and it gave us great optoelectronic and surface roughness properties.»

«The surface of Mars, the surface of Earth, and basically all surfaces in the solar system are being bombarded by cosmic rays,» explains Farley, and when these rays — very high - energy protons — blast into an atom, the atom's nucleus shatters, creating isotopes of other elements.

«The material is typically made at very high temperatures, about 1,500 Celsius, and at these temperatures, it grows big and has little surface area for chemistry to take place on,» said Dionisios Vlachos, director of UD's Catalysis Center for Energy Innovation..

«When a comet impacts a planetary surface, it creates very high pressures and temperatures.

New computer modeling suggests that high temperature TPV conversion — which captures infrared radiation from very hot surfaces — could one day rival combined - cycle turbine systems when combined with thermal storage using liquid metal at temperatures around 1,300 degrees Celsius.

«Photonic crystal surface - emitting lasers are a very promising candidate for the next generation of high - quality, high - power compact laser systems,» Soljači?

However, since high - resolution digital screens are refreshed at a much higher rate, reports are increasingly surfacing of pooches who become very interested in newer technology HDTVs when a nature show contains images of animals moving.

Materials with a high surface - to - volume ratio are attractive for studying the noise produced by nanoscale electronics because they are very sensitive to changes of their surfaces.

The challenge during design was to handle the thermal expansion of the nose shell and to insulate the aluminium substructure against the high surface temperature within a very small distance of 50 mm.

«That back layer is very critical to get thinner wafers [of silicon] and better back surface reflectivity and, thus, lower cost and higher efficiency.»

On some surfaces, such as grass, the ball does not bounce very high; on others, like clay, it slows down a great deal after impacting the court.

«We're using an acupuncture needle that will touch very carefully on the surface of the object and then the robot will turn around and put the material inside of a high resolution mass spectrometer.»

The deposited particle mass from 10 to 350 nanograms (a billionth of a gram) per square centimeter of cell surface corresponds to an airway daily dose of slightly polluted, rural air with 20 micrograms (a millionth of a gram) PM per cubic meter of air through to very high air pollution in a megacity (1000 micrograms PM per cubic meter of air).

The first is «sintering,» a process similar to melting, in which the Teflon is heated at a very high temperature and pressed firmly onto a surface.

«The material is typically made at very high temperatures, about 1,500 Celsius, and at these temperatures, it grows big and has little surface area for chemistry to take place on,» Vlachos said.

However, this high image quality can only be obtained at the very surface of biological specimens.

There, many kilometers deep, the carbonate rocks will be exposed to very high pressures and temperatures, converting the carbonate rocks back to the silicates and expelling CO2 and water — these gases will then find their ways to the surface through explosive volcanoes near the plate subduction boundaries.

They are very rare and have two components: what is known as a high surface brightness disk galaxy, with an extended low surface brightness disk surrounding it.

The data from Keck Observatory shows that peroxide is widespread across much of the surface of Europa, and the highest concentrations are reached in regions where Europa's ice is nearly pure water with very little sulfur contamination.

However, ice is a poor conductor so, unless ice is very thin or the geothermal heat flux very high, tends not to influence melt at the ice surface.

Inhospitable winds rage across the surface at very high speeds.

I've been experimenting with T10 dextran coated iron oxide nanoparticles, obviously not the same as fullerenes, but still a very interesting tool, I've been testing if the coating is giving the particle antioxidant abilities because of it's the (basically) indigestable sugar chains (glucose) creating a high surface area which are largely made from hydroxyl groups, I hypothesised this act's as a «sink» for reactive oxygen species converting them to water.

Scientists from a large international collaboration (Oxford, AWE, CEA, LULI, Observatoire de Paris, University of Michigan and University of York) have succeeded for the first time to generate a laboratory analogue of a strong shock that takes place when matter falls at very high speed on the surface of extremely dense stars called white dwarfs.

For this work, he has used a number of ultra-high vacuum surface science techniques to, for example, identify and explain several very unusual mechanistic features of the heterogeneous chemistry occurring in a catalytic converter including: a) the dramatically different CO oxidation reaction mechanism on ruthenium metal relative to other late transition metals; b) the structure sensitive selectivity of the NO reduction reaction on rhodium metal; c) deactivation of rhodium metal at high oxygen partial pressures; and d) the significantly different CO oxidation reaction mechanism over oxidized rhodium metal.

Vapor blankets could not develop at the high supercritical pressures under the earth's surface, because SCW is always a mixture of microscopic liquid droplets floating in a very dense vapor.

One very important consideration to think about is that while surface temperature has a very high degree of variability, you do expect total ocean heat content to vary a great deal less in response to a constant forcing.

Particle concentration can be a very confusing measurement when comparing colloidal silver products because colloids having very large particles can have a high concentration of metal (ppm) but a very low particle surface area.

Analysis has determined it has a particle surface area of 0.024 cm2 / mL and Efficiency Index of 1.64 placing it among the very lowest values found in the product comparison table, yet the web page falsely claims this product has «extremely high efficiency index» and «ultimate particle surface area».

These include genetic predisposition, excessive rigidity in the feet, overly high arches, (or by contrast, flat feet), and running on the toes or in very soft surfaces such as sand.