This liquid - like ice may enhance the formation
of organic compounds including prebiotic molecules and the accretion of dust to form planets.
Not exact matches
A study published in the Archives
of Environmental Health in 1999, found that disposable diapers release chemicals called volatile
organic compounds (VOCs),
including toluene, ethylbenzene, xylene and dipentene.
Scientific American covers this year's winners, whose work
includes advances in the study
of nanotechnology, the building
of complex
organic compounds, the development
of in vitro fertilization and the understanding
of «search friction» in the job market
The researchers, who released their findings in the current issue
of the Journal
of Functional Foods, suggest that cruciferous vegetables — such as broccoli, brussels sprouts and cabbage — contain an
organic chemical
compound called indole glucosinolates, which breaks down into other
compounds,
including indolocarbazole — ICZ — in the stomach.
These experiments suggest that real interstellar ice might behave like a liquid, enhancing the formation
of organic compounds,
including prebiotic molecules.
With its sophisticated on - board chemistry lab, Curiosity is hunting for more robust signs
of habitability,
including organic compounds — the carbon - based building blocks
of life as we know it.
By simply adding the starting
compounds, Cronin's team could synthesize a variety
of simple
compounds,
including a ring - containing
organic compound called ethylbenzene.
The air we breathe is chock - full
of organic compounds, tiny liquid or solid particles that come from hundreds
of sources
including trees, volcanoes, cars, trucks and wood fires.
Such model
included meteorological factors like levels
of aerosols, anthropogenic and biogenic volatile
organic compounds (VOCs), ozone, carbon dioxide, methane, and other items that influence global temperature — the surface albedo among them.
In addition to methane, these «
organic compounds» also
include a large number
of other gases that play an important role in the atmosphere.
Analysis indicates that the rock contains millions
of organic compounds,
including amino acids that could not have come from terrestrial contamination.
This
includes the role
of oxidized volatile
organic compounds, such as limonene and alpha - pinene, the typical scents
of the citrus fruits and coniferous forests, in aerosol formation.
As crude oil burns it releases many toxic chemicals,
including lead, carbon monoxide, polycyclic aromatic hydrocarbons and volatile
organic compounds, says Bin Jalaludin at the University
of New South Wales in Australia.
«There is a great range
of organic compounds within these meteorites,
including a very primitive type
of organics that likely represent the early solar system's
organic composition.»
Kristen Meyer, a science major specializing in chemistry, received the award based on her research with fungi and how her undergraduate work will support her long - term commitment to biomedical research and the development
of novel
organic compounds including antibiotics.
Analyses
of the sunlight reflected off the asteroid also show that
organic compounds are widespread on the surface, he added,
including polycyclic aromatic hydrocarbons, CH2 and CH3.
Stormwater is effectively a toxic mixture that can
include polycyclic aromatic hydrocarbons, many
of which are carcinogenic, metals, suspended particles, and other
organic compounds, most
of which have yet to be identified.
Onions have many valuable medicinal applications because
of the nutrients, vitamins, minerals, and
organic compounds contained in them,
including the presence
of sulfuric
compounds and quercetin in traces
of the essential oils.
They go on to say, «The manufacture
of polyester and other synthetic fabrics is an energy - intensive process requiring large amounts
of crude oil and releasing emissions
including volatile
organic compounds, particulate matter, and acid gases such as hydrogen chloride, all
of which can cause or aggravate respiratory disease.»
So while
organic, cold - pressed canola oil may have health - promoting
compounds, most uses
of canola oil
include high - heat cooking.
The eco-INSTITUT evaluates the latex for an extensive list
of chemicals
including: formaldehyde, VOCS (volatile
organic compounds), heavy metals, pesticides, phthalates, and other potentially harmful chemicals.
The staggering health benefits
of pumpkin seeds come from its unusual nutritional composition,
including impressive levels
of manganese, tryptophan, magnesium, copper, phosphorous, zinc, iron, and protein, as well as smaller amounts
of B complex vitamins, and vitamin A. Furthermore, pumpkin seeds have phytosterols, an
organic compound that also contributes to their healthy qualities.
Indoor air quality is defined by the concentrations
of various pollutants,
including carbon dioxide (CO2), volatile
organic compounds (VOCs), moulds, dusts and airborne fungi.
«My instinct is that it only makes sense to prevent children's exposure to chemicals known to affect the nervous system, and those
include pesticides, solvents, many volatile
organic compounds, metals, PCBs, and thousands
of other poorly tested synthetic chemicals now in commerce.
Some
of the worst air pollutants
include nitrogen oxides, volatile
organic compounds, particulate matter, carbon monoxide and carbon dioxide.
Environmental technologies
include extensive work to create an U-LEV certification in Japan for the 3.8 - liter twin turbo engine and reduced levels
of volatile
organic compound for materials used in the car.
Biological residue is defined as any substance,
including metabolites, remaining in poultry at the time
of slaughter or in any
of its tissues after slaughter, as the result
of treatment or exposure
of the live poultry to a pesticide,
organic compound, metallic or inorganic
compound, hormone, hormone - like substance, growth promoter, antibiotic, anthelmintic, tranquilizer, or other agent that leaves a residue (9 CFR 381.1).»
Another recent video by Clean Air Task Force is aimed at policy makers, and highlights the industry's release
of 9 million tons
of invisible pollutants every year,
including footage
of methane and volatile
organic compounds shown escaping from a hydrocarbon storage tank.
These
include: plants receiving NO3 as their sole source
of nitrogen (N) accumulate less
organic N under elevated than ambient CO2 (refs 7,911); plants subjected to a pulse
of 15N - NO3 - incorporate less 15N into
organic N
compounds under elevated than ambient CO2 (ref.
RCP4.5 considered the influences
of a broader set
of anthropogenic emissions
including CO2, CH4, N2O, HFCs, PFCs, and SF6, but also chemically active gases such as carbon monoxide (CO) and volatile
organic compounds (VOCs).
However, because
of its acidity, H2SO4 (and potentially MSA) can enhance the formation and growth
of secondary
organic aerosol (SOA) from
organic compounds (5, 44, 45),
including those produced by homogeneous nucleation
of low - volatility species (46).
An international team
of researchers report in Nature Communications that they made a computer model
of the planet's atmospheric conditions: they
included natural and human - triggered aerosols, volatile
organic compounds, greenhouse gases and other factors that influence temperature, one
of which is albedo: the scientist's word for the capacity
of terrain to absorb or reflect solar radiation.
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.
These processes
include heat retention, the melting
of polar ice, ocean circulation, nutrient supply, and the primary production
of organic compounds.
Focused initially on reducing methane and volatile
organic compound (VOC) emissions, the Environmental Partnership
includes 26 natural gas and oil producers, who produce a significant portion
of American energy resources.
A research team
including Riikka Rinnan and Magnus Kramshøj from the Center for Permafrost at the University
of Copehagen, Denmark recently conducted studies to assess the Volatile
organic compounds (VOC) emission response
of vegetation to warming temperatures in the Arctic.
The substitution
of hydropower with natural gas also released substantial quantities
of harmful pollutants,
including nitrous oxides, volatile
organic compounds, and particulates.
According to manufacturer Engelhard, Chain - driven charbroilers and rapid - cook technology used in many fast food restaurants rely on high temperatures to cook meat quickly, but they also generate large amounts
of smoke and odorous volatile
organic compounds (VOCs),
including formaldehyde and acetaldehyde.»
Osorb can absorb and capture a variety
of organic materials from the water, both dispersed and dissolved,
including hydrocarbons, volatile
organic compounds, pharmaceuticals, pesticides, and solvents.
Alternet recently covered the subject, discussing an Archer Midland Daniels plant's effect on the environment: «A single ADM corn processing plant in Clinton, Iowa generated nearly 20,000 tons
of pollutants
including sulfur dioxide, nitrogen oxides, and volatile
organic compounds in 2004, according to federal records.