(n.) The combination of a combustible with a supporter of combustion, producing heat, and sometimes both light and heat.
(n.) Violent agitation; confusion; tumult.
Example Sentences:
(1) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
(2) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
(3) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
(4) A removable, stainless-steel tube is present around the heated area, and this particular configuration makes it possible to begin every combustion procedure from room temperature, and consequently, to achieve a complete evacuation of air from the line even for heat-labile samples.
(5) Combustion-product toxicity of perfluorinated polymers in small-scale tests varied markedly under various exposure conditions.
(6) Although few relationships among combustion parameters and emissions were uncovered, patterns of emissions were evident, suggesting commonality and relationships among the waste stream constituents and emissions.
(7) Biological studies have demonstrated that concentrated extract of tars from combustion of shale oil are carcingenic to the skin of mice.
(8) Some compounds derived from tobacco combustion can be induce a response of secretory immune system, because antigen penetration is by respiratory tract epithelium, with IgA antibodies synthesis and immune complex (IC) generation.
(9) Waste products from coal combustion have the highest potential risk among the fossil fuel alternatives.
(10) Bicyclic phosphorus esters (BCP) originating from the combustion of fire-retardant polyurethane foam containing phosphorus are highly toxic compounds and potent antagonists of GABA-ergic receptors.
(11) Firefighters are routinely exposed to a wide variety of combustion products.
(12) Combustion gas drying had no effect for the larger PAHs such as benzo(a)pyrene but caused mean increases of between 41% and 126% for fluoranthene, pyrene and chrysene.
(13) A wet combustion method for the carbon determination was developed.
(14) The design-specified operating temperature was 800 degrees C in the primary combustion chamber and 1000 degrees C in the secondary chamber.
(15) Fullerenes C60 and C70, generated by combustion, have been shown previously to be produced in controlled laminar flames accompanied by other compounds having fullerene-like characteristics.
(16) There is growing concern over the detrimental health effects to firefighters produced by exposure to combustion byproducts of burning materials.
(17) Residential wood combustion accounted for 75% of the exposure to particle associated organics, but only 20% of the estimated cancer risk.
(18) Evidence for the atmospheric formation of nitro-PAH has come only recently, from observations that 2-nitropyrene (2-NP) and 2-nitrofluoranthene (2-NF) neither of which has been reported to be emitted from combustion sources, are among the major nitro-PAH present in ambient air.
(19) The combustion gases of cotton, polypropylene, acrylic, flame retardant (F.R.)
(20) Products of incomplete combustion are identified as a major source of carcinogenic risk in urban areas, especially those from small non-industrial sources.
Fluoranthene
Definition:
(n.) A white crystalline hydrocarbon C/H/, of a complex structure, found as one ingrdient of the higher boiling portion of coal tar.
Example Sentences:
(1) Solid-phase adsorbents were compared in their trapping efficiencies for dichloromethane (DCM), ethylene dibromide (EDB), 4-nitroblphenyl (4-NB), 2-nitrofluorene (2-NF), and fluoranthene (FI).
(2) --In this fashion, six polycyclic aromatic compounds with differing carcinogenic activities were tested:benzo(a)-pyrene, benzo(b)fluoranthene, indeno(1,2,3-c,d)pyrene, benzo(a)anthracene, fluoranthene, and cyclopenteno (c,d)pyrene.
(3) The PCAH's identified in SRF-carbon black were: anthracene, phenanthrene, fluoranthene, pyrene, benzo(mno)fluoranthene, chrysene, 1,2-benzanthracene, 9,10-dimethyl-1,2-benzanthracene, 1,2-benzopyrene, 3,4-benzopyrene, perylene, o-phenylene pyrene 1,2-benzoperylene, anthanthrene, and coronene.
(4) Fraction 5 was strongly fluorescent, and contained pyrene and fluoranthene, the major polycyclic aromatic hydrocarbons of the Murchison chondrite.
(5) Combustion gas drying had no effect for the larger PAHs such as benzo(a)pyrene but caused mean increases of between 41% and 126% for fluoranthene, pyrene and chrysene.
(6) The data indicate that whole pyrene and fluoranthene are distributed to blood cells.
(7) The phototoxic effects of polycyclic aromatic hydrocarbons (PAH) benzo(a)pyrene, benzo(a)anthrazene, indeno(1,2,3-cd)pyrene, fluoranthene and perylene, and their relation to the known carcinogenicity of these compounds was examined with human fibroblastic cultures.
(8) The tumor-initiating activity of trans-2,3-dihydro-2,3-dihydroxybenzo[j]fluoranthene (BjF-2,3-diol), BjF-4,5-diol, BjF-9,10-diol, and BjF was evaluated on the skin of female CD-1 mice.
(9) Only 4 of the 12 PAH were detected in the cancerous tissue: benzo(a)pyrene, fluoranthene, benzo(ghi)perylene.
(10) The immunopharmacology of RMI 9563 - bis[3-(diethylamino)propyl]fluoranthene-3,9-dicarboxylate dihydrochloride--has been described.
(11) tract tissues examined, with the relative potency in duodenum of DMBA much much greater than benzo[a]pyrene (B[a]P) much greater than benzo[b]fluoranthene (B[b]F).
(12) Moreover, the induction properties of some carcinogenic and non-carcinogenic hydrocarbons (benz[a]anthracene, pyrene, chrysene, benzo[a]-pyrene, benzo[e]pyrene, benzo[b]fluoranthene, benzo[j]fluoranthene, benzo[k]fluoranthene) have been studied.
(13) In contrast, fluoranthene-DNA adducts were not present at detectable levels in liver or kidney 24 h after one dose; low levels of adducts were found only in the lung at the highest dose level.
(14) Chronic administration of fluoranthene in the diet, however, resulted in DNA adduct formation in most tissues examined, including liver, kidney, lung, small intestine, heart, spleen and lymphocytes; adducts were not detectable in testes DNA.
(15) The major fluoranthene-DNA adduct found in rat tissues was identified by its chromatographic similarity to the major fluoranthene adduct formed in vitro using microsomally-activated fluoranthene and calf thymus DNA, previously identified as a reaction product of anti-2,3-dihydroxy-1,10b-epoxy-1,2,3-trihydro-fluoranthene with N2-deoxyguanosine.
(16) The environmental contaminants pyrene, 1-nitropyrene, 1,8-dinitropyrene, fluoranthene, and 3-nitrofluoranthene were exposed to light (greater than or equal to 310 nm) either in DMSO, or following coating onto silica.
(17) Naphthalene derivatives were the least active while alpha-terthienyl, anthracene, 9-methylanthracene, pyrene and fluoranthene were the most phototoxic.
(18) The identity of the major adduct in DNA-bound microsomally-activated FA was confirmed by this HPLC-32P-postlabeling method as an anti-2,3-dihydroxy-1,10b-epoxy-fluoranthene nucleotide adduct.
(19) In fact some of them, such as phenanthrene and anthracene increased with use, some, such as fluoranthene and pyrene decreased and the other did not exhibit a regular trend.
(20) The major adduct formed from reaction of the anti 2,3-dihydroxy-1,10b-epoxy-1,2,3-trihydrofluoranthene with DNA and the major N-2 fluoranthene derived adduct had identical elution times on two different h.p.l.c.