How To Use Aromatic hydrocarbon In A Sentence
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The group is requesting that the FDA enact a rule that sets a limit on the amount of polycyclic aromatic hydrocarbons deemed safe for pregnant women and young children.
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However, because of its lower combustibility it contains 50% more carcinogenic polycyclic aromatic hydrocarbons including naphthalene, benzanthracene, and benzopyrene, than tobacco smoke.
Impact Lab
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Biodiesel reduces emissions of unburned hydrocarbons, carbon monoxide, sulfates, polycyclic aromatic hydrocarbons, nitrated polycyclic aromatic hydrocarbons and particulates.
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Burning buildings can produce carbon monoxide, nitrous oxides, polycyclic aromatic hydrocarbons and volatile organic and sulphurated compounds.
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The space agency says the soil contains polychlorinated biphenyls, or PCBs, and polynuclear aromatic hydrocarbons, also known as PAHs.
WMDT Top News Stories
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For example, aquatic organisms that have assimilated UV-B absorbing polyaromatic hydrocarbons have shown phototoxic effects when exposed to UV-B radiation.
Climate change, interactive changes and stresses in the Arctic
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Like benzene, the homologous aromatic hydrocarbons, toluene, xylenes, etc. fix directly six hydrogen atoms to produce the corresponding cyclic compounds; phenol is transformed into cyclohexanol, aniline into cyclohexylamine.
Paul Sabatier - Nobel Lecture
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Aliphatic and aromatic hydrocarbons, ketones, ethers, glycols and higher alcohols are not corrosive to magnesium and its alloys.
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Residents of Woburn may also have been exposed to polynuclear aromatic hydrocarbons as well as to arsenic and chromium compounds in their drinking water.
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In their research, the investigators focused on a class of cancer-causing culprits found in cigarette smoke called polycyclic aromatic hydrocarbons, or PAHs.
Smoking damages DNA within minutes, research shows
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Closed shellfish beds have been reopened and eelgrass have been potential long-term sources of contaminants, such as acids, solvents, polycyclic aromatic hydrocarbons and oxygen-demanding biological wastes.
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The respirable portion of particulates can include acid condensates, sulfates, nitrates, and organic compounds (e.g., polycyclic aromatic hydrocarbons).
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The study also suggests that the substances in black tattoo inks -- materials known as polycyclic aromatic hydrocarbons PAHs -- migrate into subjects' lymph nodes, which aid an individual's body in filtering out disease-causing organisms.
Glenn D. Braunstein, M.D.: Tattoos: Inks Raise New Health Concerns About Age-Old Designs
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Potentially harmful polycyclic aromatic hydrocarbons or PAHs for short, heterocyclic amines, and higher and mutagenic aldehydes, along with fine and ultrafine particles, have all been found in cooking fumes, using vegetable oils, such as safflower, soya bean, and rapeseed oils, as well as lard.
PhysOrg.com - latest science and technology news stories
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If possible, avoid using roofs of buildings that rely on wood heat, as the smoke particles and soot deposited on the roof may contain polynuclear aromatic hydrocarbons and other hazardous materials.
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At normal pressures carbon takes the form of graphite, in which each atom is bonded trigonally to three others in a plane composed of fused hexagonal rings, just like those in aromatic hydrocarbons.
BSNYC Product Review: Bicycle Book Shootout!
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Natural gas is also virtually free of the lead, sulphur, particulates and aromatic hydrocarbons that cause pollution at street level.
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The majority of substances identified were aliphatic or aromatic hydrocarbons.
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Oil sands operations, however, produced the overwhelming bulk of several dangerous substances: for example, bitumen mines generated nearly all of the Canadian total of acenaphthene, one of a bevy of polycyclic aromatic hydrocarbons released around Fort McMurray.
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Carcinogens in cigar smoke include the following: benzene aromatic amines (especially carcinogens such as 2-naphthylamine and 4-minobiphenyl) vinyl chloride ethylene oxide arsenic chromium cadmium nitrosamines polynuclear aromatic hydrocarbons There are some differences between cigar and cigarette smoke, though.
WN.com - Articles related to Ban smoking in all vehicles, doctors demand
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Coal dust contains silica, trace metals, and polynuclear aromatic hydrocarbons (PAH), many of which are known human carcinogens.
Jeff Biggers: Updated:VIDEO: Nonviolent Goldman Prize Winner Attacked by Massey Supporter: 94-Year-Old Hechler, Hannah, Hansen Arrested at Coal River
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Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
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For example, alkyl groups can be introduced into aliphatic hydrocarbons or aromatic hydrocarbons by alkylation reactions.
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Polycyclic aromatic hydrocarbons are a class of organic compounds having two or more fused aromatic ring structures each based on the structure of benzene.
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Biodiesel reduces emissions of unburned hydrocarbons, carbon monoxide, sulfates, polycyclic aromatic hydrocarbons, nitrated polycyclic aromatic hydrocarbons and particulates.
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Chemical mutagens are classified as alkylating agents, cross-linking agents, and polycyclic aromatic hydrocarbons (PAHs).
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The phenyl group is a ring structure, and as such, it is an aryl group (an organic group derived from an aromatic hydrocarbon with the absence of one hydrogen).
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The molecules, called polycyclic aromatic hydrocarbons, are common in interstellar space, and many believe they were among the raw materials for life.
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The earliest substances identified, in 1953, were benzo pyrene, and other polynuclear aromatic hydrocarbons, which were known to produce tumours in animal experiments.
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These included formaldehyde, several other aldehydes, ketones, aliphatic and aromatic hydrocarbons, glycol ethers, organic acids, and alcohols.
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Interaction between metabolites of chemical carcinogens, such as polycyclic aromatic hydrocarbons, and DNA can cause mutation in oncogenes and tumor suppressor genes which is believed to initiate the carcinogenic process.
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Poisons left behind under and around Midway Village include benzene, lead, and polynuclear aromatic hydrocarbons, a class of compounds that includes many known carcinogens.
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Ehrenfreund, an astrochemist, is an expert in polycyclic aromatic hydrocarbons, which are known on Earth as a pollutant formed by burning fossil fuels but in astrobiology are important, much-studied players.
First Contact
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The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
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Toluene (methylbenzene) is an aromatic hydrocarbon natural product of diagenic origin and an important commercial chemical.
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The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
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The makers of coal tar sealants acknowledge that the products contain high levels of benzoapyrene and other toxic chemicals known collectively as polycyclic aromatic hydrocarbons, or PAHs.
Chicagotribune.com - News
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I also found that burning Styrofoam containers emits styrene, benzene, benzaldehyde, formaldehyde, plus various poly-aromatic hydrocarbons.
PLASTIC BAGS ARE DANGEROUS
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Organic compounds including a number of carcinogenic polycyclic aromatic hydrocarbons are also present in coal dust.
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Derived chiefly from petroleum and coal tar, aromatic hydrocarbons tend to be reactive.
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Diacetyl (emphasis on the first syllable) is also called biacetyl (emphasis on the last syllable) and the latter is what we called in when I was working on the photooxidation of aromatic hydrocarbons a couple or three decades ago.
Hot Buttered
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Tests have found high levels of toxins like arsenic, lead and polynuclear aromatic hydrocarbons in the neighborhood.
LOVE CANAL'S LONG SHADOW 25 YEARS LATER
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In addition, occupational causes include radon in indoor environments, arsenic, asbestos, chromates, chloromethyl ethers, nickel, polycyclic aromatic hydrocarbons, and other agents.
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Diacetyl (emphasis on the first syllable) is also called biacetyl (emphasis on the last syllable) and the latter is what we called in when I was working on the photooxidation of aromatic hydrocarbons a couple or three decades ago.
Hot Buttered
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Natural gas is also virtually free of the lead, sulphur, particulates and aromatic hydrocarbons that cause pollution at street level.
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Biodiesel reduces emissions of unburned hydrocarbons, carbon monoxide, sulfates, polycyclic aromatic hydrocarbons, nitrated polycyclic aromatic hydrocarbons and particulates.
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Organic compounds including a number of carcinogenic polycyclic aromatic hydrocarbons are also present in coal dust.
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Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
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Cooking meats with charcoal or gas grills can cause the formation of compounds called heterocyclic amines (HCAs) and polycyclic aromatic hydrocarbons (PAHs).
Burning Pellets in the Grill
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The propose the work as proof-of-concept, but use a very artificial data set of only 12 crystal structures benzene and eleven polycyclic aromatic hydrocarbons, like naphtalene, anthracene, phenanthrene, triphenylene, pyrene, perylene, and coronene.
Automatic Classification of thousands of Crystal Structures
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The oil contaminants of most health concern - potential cancer-causing substances called polycyclic aromatic hydrocarbons, or PAHs - show up in other everyday foods, too, such as grilled meat.
Gulf Seafood Undergoes Intense Testing
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Aliphatic and aromatic hydrocarbons, ketones, ethers, glycols and higher alcohols are not corrosive to magnesium and its alloys.
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When these driers are dissolved in aliphatic or aromatic hydrocarbons, they are known as siccatives.
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The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
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The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
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Derived chiefly from petroleum and coal tar, aromatic hydrocarbons tend to be reactive.
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The oil contaminants of most health concern – potential cancer-causing substances called polycyclic aromatic hydrocarbons, or PAHs – show up in other everyday foods, too, such as grilled meat.
Gulf Seafood Gets Intense Safety Testing
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The new targets relate to a number of chemicals including benzene, carbon monoxide and polycyclic aromatic hydrocarbons.
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The Cornell team worked with sand contaminated with phenanthrene, a polycyclic aromatic hydrocarbon typically found in coal tar.
