Sentences with phrase «nitrogen compounds from»

Not exact matches

But the pollution from diesel engines is mainly nitrogen compounds.
Meat industry wastewater may also have a high content of nitrogen (from blood) and phosphorus, in addition to pathogenic and non-pathogenic viruses and bacteria, and parasite eggs (not to mention disinfectants and detergents may enter the wastewater stream during facility - cleaning activities, including acid, alkaline, liquid paraffin and neutral compounds)
Species known as mycorrhizal fungi use their mycelia to envelop or penetrate plant roots, contributing nitrogen compounds and mineral salts in exchange for sugars from the host organism.
Fixation processes free up nitrogen atoms from their diatomic form to be used in other ways, but nitrogen does not easily react with other chemicals to form new compounds.
The design proved successful because the compound binds nitrogen from the atmosphere, just as nitrogenase does.
When sulfur dioxide and nitrogen oxides are released from power plants and other sources, prevailing winds blow these compounds across state and national borders, sometimes over hundreds of miles.
Volatile organic compounds, carbon monoxide, and nitrogen oxides from Asian cars and industry mix in the atmosphere as they cross the Pacific Ocean and convert in sunlight into ozone, a main ingredient in smog, Jaffe explains.
My research activity consisted of collecting soil samples from different areas of the Mississippi River and investigating the behavior of nitrogen compounds in the special conditions of flooded soils.
Ekkehard Sinn of the University of Hull covers the inorganic chemistry of iron from its basic solid - state, coordination and organo - metallic chemistry to the various compounds it forms with the non-metals boron, nitrogen, phosphorus and so on.
Ozone is produced by reactions involving nitrogen oxides (NOx), which come primarily from motor vehicle emissions, and volatile organic compounds resulting from industrial processes.
In their paper, published in Scientic Reports, the authors present the first demonstration that single - photon emission from a specially oriented compound defect (a nitrogen vacancy center) in diamond is dynamically and statically unpolarized with intrinsic randomness.
In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.
The team observed that warmer temperatures significantly increase production of ozone, a colorless toxic gas, due to the reactions of certain chemical compounds with nitrogen oxides — greenhouse gases that come from vehicle tailpipes and power plant smokestacks.
Ammonia is a compound made from the elements nitrogen and hydrogen.
This session solicits presentations examining all aspects of air emissions and / or air quality or climate impacts of methane, volatile organic compounds, and nitrogen oxides from all stages of oil and gas development.
High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].
The Nitrogen Cycle is a biological process that converts ammonia (from fish waste, and uneaten food) into nitrogen compounds, through the establishment of bacterial colonies.
Oxygen, in combination with hydrogen, is found in water and in many other compounds: so is carbon, nitrogen and sulphur, the elements from which proteins and other cellular components are made.
Breakthrough experiments showed that IRMOF -74-III compounds are especially efficient at removing carbon dioxide from wet nitrogen gas streams in record efficiency and time while fully preserving the IRMOF structure.
Moreover, airborne nitrogen compounds that are produced by agriculture, transportation, and other industrial sectors can fertilize nearby forests, thereby removing CO2 from the atmosphere.
Formation of nitrogen - and sulfur - containing light - absorbing compounds accelerated by evaporation of water from secondary organic aerosols
Recalling the concern reflected in the outcome document of the United Nations Conference on Sustainable Development, entitled «The future we want», 1 that the health of oceans and marine biodiversity are negatively affected by marine pollution, including marine debris, especially plastic, persistent organic pollutants, heavy metals and nitrogen - based compounds, from numerous marine and land - based sources, and the commitment to take action to significantly reduce the incidence and impacts of such pollution on marine ecosystems, Noting the international action being taken to promote the sound management of chemicals throughout their life cycle and waste in ways that lead to the prevention and minimization of significant adverse effects on human health and the environment, Recalling the Manila Declaration on Furthering the Implementation of the Global Programme of Action for the Protection of the Marine Environment from Land - based Activities adopted by the Third Intergovernmental Review Meeting on the Implementation of the Global Programme of Action for the Protection of the Marine Environment from Land - based Activities, which highlighted the relevance of the Honolulu Strategy and the Honolulu Commitment and recommended the establishment of a global partnership on marine litter, Taking note of the decisions adopted by the eleventh Conference of the Parties to the Convention on Biological Diversity on addressing the impacts of marine debris on marine and coastal biodiversity, Recalling that the General Assembly declared 2014 the International Year of Small Island Developing States and that such States have identified waste management among their priorities for action, Noting with concern the serious impact which marine litter, including plastics stemming from land and sea - based sources, can have on the marine environment, marine ecosystem services, marine natural resources, fisheries, tourism and the economy, as well as the potential risks to human health; 1.
In their press release from Friday they announce they have created a database [which seems not always to work] with updated data on current emissions sources, not just for CO2 and methane, but also for various nitrogen compounds and for instance soot — that most - ignored climate forcer.
Hypothetically (and the relationship is already well established statistically) the gamut of Mid Winter Warmings, Sudden Stratospheric Warmings and Final Warmings in the Arctic stratosphere depend upon the supply of ozone rich air from mid latitudes being thrust into the Arctic stratosphere where ozone is normally in a somewhat depleted state due to erosive nitrogen compounds descending from the mesosphere, in turn related to Particle Precipitation Events that are strongly related to geomagnetic influences and the solar wind.
High levels of methane leakage from fracking have been found [163], as well as nitrogen oxides and volatile organic compounds [159].
Ozone is an odorless gas that is not directly emitted into the air but is created by chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOC)-- which occur naturally but are also produced from the burning of fossil fuels and are released in the process of drilling for oil and natural gas.
Mingce Long and Deyong Wu say their fabric uses a coating made from a compound of titanium dioxide,... Their report describes cotton fabric coated with nanoparticles made from a compound of titanium dioxide and nitrogen.
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