Sentences with phrase «as nitrogen»

So its amount depends not only on temperature and amount of sunshine but also the presence of precursor gases such as nitrogen oxide.

The two papers are both based on the manipulation of the same material, an atomic - scale defect in diamond known as the nitrogen vacancy center.

Many new vehicles are sold with add - ons such as nitrogen in the tires, all - weather floor mats or theft protection packages.

They also compete — with great success — for nutrients such as nitrogen and phosphorus.

It has unnecessary features such as nitrogen in the tires and tire locks.

High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].

The researchers fed the algae glycerol, a cheap waste product of biodiesel production, and urea, another inexpensive chemical that serves as a nitrogen source for the algae.

Designed by Jerome Osentowski over 20 years ago, the garden at Central Rocky Mountain Permaculture Institute is a well - established 1 - acre polyculture garden that features an over-story of fruit trees, which shelter a mix of perennial and annual vegetables — many of which seed themselves, while others are planted traditional — as well as nitrogen fixing shrubs to maintain fertility.

The relationship between GPP and NEP appears to be so strongly controlled by the nutrient status of the forest that terrestrial biosphere models may be unable to accurately predict the carbon balance of forest ecosystems without information on background nutrient availability27 — soil nitrogen, phosphorous, potassium, pH — and on changes in soil and plant nutrient cycling resulting from human activities (such as nitrogen deposition, climate change and elevated CO2).»

Stroud argues that the moss - bacteria symbiosis may be as important for global nutrient cycles as the nitrogen fixation of legumes and their root nodule microbes (ScienceNOW, 5 September 2003).

Other greenhouse gases are also worrying [including methane, which has started to rise again, and even gases such as nitrogen trifluoride, though the extent of this as a problem remains quite controversial]

It plays an important role in blood sugar and energy regulation as well as nitrogen balance in the body.It also increases muscle protein and promotes muscle recovery after an intense workout.

The parable of the rivet popper is particularly applicable to the threat of human activity to the cycles of nature such as the nitrogen cycle or the carbon cycle, which are part of the life - support systems of nature.

In the chemical toxin category, perchlorate (a naturally occurring chemical, but also a man - made contaminant stemming from production of nitrate fertilizer with certain types of ore serving as the nitrogen source) and tobacco smoke (which contains hydrogen cyanide that can be converted into thiocyanate) are well - researched examples of chemical toxins that are considered goitrogenic because they can interfere with thyroid function.

«We found evidence that even on a distant cold planet billions of miles from Earth, there is sufficient energy for vigorous geological activity, as long as you have something as soft and pliable as nitrogen ice.»

The ammonia is washed away, creating a major environmental issue as it leads to eutrophication of water ways and ultimately enters the atmosphere as nitrogen dioxide, the main greenhouse gas associated with agriculture.

Additionally, gases such as nitrogen dioxide, ozone, carbon monoxide and sulfur dioxide can harm our skin.

The new analysis found that algae populations continued to grow in some embayments even as nitrogen levels stopped increasing.

This is a matter of much concern as nitrogen oxides are greenhouse gases.

Survey damaged trees before applying fertilizer, to identify what minerals are lacking, as nitrogen applications are likely to trend downward.

The world's food security would be ensured even with over 9 billion people in 2050, agricultural land area would not increase, greenhouse gas emissions would be lowered and the negative effects of today's intensive food systems, such as nitrogen surplus and high pesticide exposure, would be greatly reduced.

The refreshing sound that occurs as the nitrogen is released; infusing through the coffee, is not only satisfying but builds anticipation.

The surge pour provides a cascading «waterfall» effect — the dark beer temporarily whitens as the nitrogen bubbles rise to the top of the glass.

Used uniquely in New Zealand agriculture, mainly dairying, on pasture as a nitrogen inhibitor, it did not pose food safety risks, MPI said.

Food packaging companies are companies that will provide airtight sealing methods such as nitrogen flush for the products.

The scientists already have made a novel observation in this study, confirming that cells were using urea as a nitrogen source.

While ammonia compounds associated with farming were five times as prevalent as nitrogen oxides in the 1980s, they are now only twice as common in China's water, soil and air.

In Scotland, it mostly originates far away as nitrogen oxides from power stations and car exhausts, which travel on the wind and eventually fall as acid rain.

The emissions will escalate as nitrogen trifluoride's use increases.

In addition, on dark nights the sky glow (known as nitrogen fluorescence) generated by the passage of these particles can be imaged with telescopes located on the boundary of the array.

Continue reading «Nutrient co-limited Trichodesmium as nitrogen source or sink in a future ocean»

The body looses a certain amount of protein daily so we need to consume that same amount to maintain our status (measured as nitrogen balance).

At the low end of the amino acid spectrum, you'll find whey and soy protein powder — and only 17 % of their content is utilized by the body, with 83 % leaving your body as nitrogen - based waste.

Glutamine acts also as a nitrogen shuttle helping our body reduce the formation of toxic levels of ammonia in the liver.

The longer you wait between your last dive and your flight, the less risk of experiencing decompression sickness as the nitrogen in the body decreases during surface time.

Concentrated animal feeding operations create additional inefficiencies as nitrogen and phosphorus in animal feed are transported to feed lots, but the nitrogen and phosphorus in animal excreta are not returned to crops.

«Plants reliant on nitrate as a nitrogen source become protein deprived,» says the University of California - Davis» Arnold Bloom.

The new findings could help improve understanding of phytoplankton growth in the Southern Ocean as well as nitrogen transformations in other marine environments.

More carbon will sometimes be stored in forests if a bigger variety of tree species is planted along with key species - such as nitrogen fixing trees - that are known to contribute strongly to carbon storage, according to...

The process, known as nitrogen deposition, can do great damage to ecosystems, causing soil acidification, fertilizing harmful algal blooms and threatening biodiversity, says Zhang.

Some, however, plow through the night, converting nitrogen from the air into usable nutrients — a process known as nitrogen fixation.

Others may induce ecosystem functions such as nitrogen fixation.

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.

Yet it would make sense to also include any pollutant with a strong greenhouse - warming potential that is emitted in large quantities — such as the nitrogen trifluoride widely used to make flat - screen TVs and computers.

ref A key strategy to address ocean acidification is reinforcing existing environmental laws (e.g., U.S. Clean Water Act) to: limit runoff and associated pollutants, control coastal erosion, and enforce emission limits for pollutants such as nitrogen oxide and sulfur oxide.

Other minerals formed from thin air, as nitrogen in the atmosphere reacts with salts and dust, depositing nitrate minerals on the ground over time.