Sentences with phrase «oxygen from water»

This nutrient overload causes algae to bloom, which removes oxygen from the water.

With this research there holds the promise of developing cells to separate hydrogen and oxygen from water using sunlight.

Aliens splitting hydrogen and oxygen from water?

However, it is too chemically reactive to remain a free element in Earth's atmosphere without being continuously replenished by the photosynthetic action of living organisms, which use the energy of sunlight to produce elemental oxygen from water.

Stalagmites form slowly over thousands of years, as calcium, carbon and oxygen from water slowly dripping through the soil and rock above the cave builds up into the cone - shaped rocks seen on the cave floor.

A typical fish is ectothermic, has a streamlined body for rapid swimming, extracts oxygen from water using gills or uses an accessory breathing organ to Managing fish and wildlife resources for their long - term well - being and the benefit of people.

A typical fish is ectothermic, has a streamlined body for rapid swimming, extracts oxygen from water using gills or uses an accessory breathing organ to

A typical fish is ectothermic, has a streamlined body for rapid swimming, extracts oxygen from water using gills or uses an accessory breathing organ to A handy calculator for calculating the volume of your fish tank.

On one end of the worms are feathery plumes that act as gills to extract oxygen from the water.

Many of the artificial methods of making hydrogen and oxygen from water require materials that are too expensive, require too much energy or break down too quickly in real - world conditions, like the acidic electrolytes in fuel cells.

Common inexpensive steel, in contrast, reacts with oxygen from water to form a relatively unstable iron oxide / hydroxide film that continues to grow with time and exposure to water and air.

Modern - day relatives of this species can absorb dissolved oxygen from the water through their skin, a trick that helps them stay submerged for long periods of time.

THIS algae - covered turtle has a hidden talent: it can use its genitals to extract oxygen from water.

Because the gas strips oxygen from the water, subsurface hypoxia might linger longer than the gas itself.

Fish have just a few large blood vessels that bring blood to and from the gills, where tiny vessels pick up oxygen from the water.

When the algae dies and sinks to the sea floor, it is consumed by bacteria that guzzle oxygen from the water.

Some scientists are concerned that — if the pyrosomes die en masse — they could create a large «dead zone,» as their decaying bodies suck oxygen from the water.

Although the catalyst does produce oxygen from water, it does not produce hydrogen gas (H2) that can be burnt in a fuel cell.

The animal's greatest advantage seems to lie in the ability of its haemocyanin to take up oxygen from water passing over its gills even when the concentration of oxygen is very low.

Atoms of oxygen from the water could pair with atoms of oxygen from the rust or sand, creating O2.

Observers started to cry foul and question whether the device they described — the team claimed it could extract enough oxygen from water for a person to breathe — could possibly exist.

Not exact matches

The right solution ties in perfectly to Maslow's hierarchy of needs, a well - known pyramid which ranks human needs and desires in order of necessity: From the physiological (the basics like water and oxygen), up to safety, love and belonging, esteem, and finally, self - actualization.

As a business, Planetary Resources is betting that by the time it extracts water from an asteroid, there will be a customer like NASA interested in buying water, hydrogen and oxygen.

Heaven is that planet 35000 light - years from earth, ten times as big made of hydrogen and oxygen for water, gold as atmosphere (yes we're taking the gold) But to desist as soul when given the chance in hell if you truly believe seems impassible for me to fathom.

He was there three hundred million years ago when a fish emerged from the water and hobbled along on fins, gasping for oxygen with primitive lungs.

We continue to pour on the nitrogen, even as scientists report the existence of 50 «dead zones» where nitrogen has flowed from fields to water, and resulted in an excess of plant growth, a depletion of oxygen and the extinction of life.

For example, what must be the nature of physical existents such that the composite, the molecule of water, not only consists of one oxygen atom and two hydrogen atoms, but that they are at a particular distance from each other and in a particular three - dimensional pattern?

Evidence released tonight from five routine live sheep voyages shows sheep baking in their own skin, gasping for oxygen, smothered in faeces, unable to lie down to rest, or even reach food or water.

One site I read said that during a water birth because, as you said, the baby is still receiving oxygen from the mother via the umbilical cord this means the baby can have its head out of the birth canal but can wait to take a breath.

LaundryPure, without detergent or hot water, uses oxygen and peroxide to lift dirt and odors away from your wash — eliminating the need for harsh laundry detergents and cleaners.

Dizziness and lightheadedness: Largely abated by eating small meals throughout the day and drinking copious amount of water to keep hydrated, dizziness and lightheadedness result from a lack of available oxygen in addition pressure placed upon blood vessels.

Connoisseurs recommend that tea water be heated just prior to boiling; they say that losing oxygen from boiling gives tea a flat taste.

The palladium atoms initially snatch hydrogens from the alcohols but later give them up to oxygen atoms in the solvent, generating water and returning the catalyst to its original state.

Where the numbers really pile up is in the operation of Kennedy Space Center, which includes pumping 300,000 gallons of water to protect the shuttle from launch vibrations, moving the rockets, and keeping hundreds of tons of liquid oxygen and hydrogen cool.

The underwater microphones — two in the kelp canopy and two above the canopy — recorded the chirps bouncing off everything in the environment from oxygen bubbles from photosynthesis burbling up from the kelp to the kelp itself to the water's surface.

BUGGING OUT Not only can this insectlike robot fly and swim, but it also splits water into hydrogen and oxygen gas, which the bot ignites to propel itself from the water.

As for the increase in phosphorus content, it was caused by the phosphorus that in the summer of 2014 flowed in from the deep waters in the north of the Baltic Sea main basin and the phosphorus that was released from the Gulf of Finland's own seabed in the poor oxygen conditions and mixed with the surface layer during last winter.

In superheating, water is heated well beyond its boiling point — in this case from 1,000 to 1,300 degrees Celsius — producing high - temperature steam to run turbines and also to operate solar reactors to split the water into hydrogen and oxygen.

Once the nanoparticles are added and light applied, the water separates into hydrogen and oxygen almost immediately, producing twice as much hydrogen as oxygen, as expected from the 2:1 hydrogen to oxygen ratio in H2O water molecules, Bao said.

Those sites gave her the chance to gather fossils from many different depths in the ancient ocean, from the more oxygen - rich surface waters to deeper zones.

So they're just getting their oxygen passively from the surrounding ocean water.

Excess amounts from human activities often end up in rivers, streams and coastal environments, causing algal blooms, loss of sea grass and low oxygen levels in the water, which can kill large numbers of fish and other organisms.

The separation into two chambers means there are two separate flue gas streams to deal with too: air with a reduced concentration of oxygen is discharged from one chamber, water vapour and CO2 from the other.

A central factor improving the oxygen situation from last year was that the eutrophic, low - oxygen deep water from the main basin has not flowed into the Gulf of Finland in the weather conditions of the past summer, unlike in the spring of 2014, for example.

Ultraviolet radiation could strip not only the water vapor from a habitable M dwarf planet, but also the oxygen and nitrogen in just tens of millions of years, astrophysicist Vladimir Airapetian of NASA's Goddard Space Flight Center in Greenbelt, Md., and colleagues suggested in the February 10 Astrophysical Journal Letters.

The device uses solar electricity from a photovoltaic panel to power the chemistry that splits water into oxygen and hydrogen, then adds pre-starved microbes to feed on the hydrogen and convert CO2 in the air into alcohol fuels.

The rising temperatures cause layers of ocean water to stratify so the more oxygen - rich surface waters are less able to mix with oxygen - poor waters from the deeper ocean.

Instead, species that immigrate from areas with higher water temperatures and lower oxygen concentrations will establish themselves and displace the native polar species,» says Hans - Otto Pörtner.

Chan says that lighter warm water creates a cap over the colder depths, making it less likely that deeper waters — where everything from «plankton to whale poop» sucks up oxygen — will rise to mix with the oxygenated surface.

And if hydrogen is fed into a fuel - cell stack — a batterylike device that generates electricity from hydrogen and oxygen — it can propel an electric car or truck with only water and heat as by - products [see «On the Road to Fuel - Cell Cars,» by Steven Ashley; Scientific American, March 2005].