REFERENCE_ID int64 273 7.3M | TITLE stringlengths 4 390 | AUTHORS stringlengths 5 1.43k ⌀ | YEAR int64 1.85k 2.02k ⌀ | ABSTRACT stringlengths 1 18.4k ⌀ | CITED int64 0 1 |
|---|---|---|---|---|---|
94,004 | Agricultural sector benefits analysis for ozone: Methods evaluation and demonstration | Kopp, RJ; Vaughan, WJ; Hazilla, M | 1,984 | This report describes the development of an applied model capable of using exogenously supplied agricultural sector dose response information, agricultural cost of production data, and air quality information to estimate changes in producer and consumer welfare due to changes in ozone exposures for agriculture. | 0 |
38,798 | Injury, stomatal conductance, and abscisic acid levels of pea plants following ozone plus sulfur dioxide exposures at different times of the day | Kobriger, JM; Tibbitts, TW; Brenner, ML | 1,984 | Pea (Pisum sativum L. cv Alsweet) plants were exposed to mixtures of ozone plus sulfur dioxide at different times of the day. Injury, evaluated either as necrosis or chlorophyll, was greatest at midday when stomatal conductance was greatest. Abscisic acid levels were similar over the day, and showed no relation to stom... | 0 |
41,201 | Utilization of a response-surface technique in the study of plant responses to ozone and sulfur dioxide mixtures | Ormrod, DP; Tingey, DT; Gumpertz, ML; Olszyk, DM | 1,984 | A second order rotatable design was used to obtain polynomial equations describing the effects of combinations of sulfur dioxide (SO(2)) and ozone (O(3)) on foliar injury and plant growth. The response surfaces derived from these equations were displayed as contour or isometric (3-dimensional) plots. The contour plots ... | 0 |
35,990 | Measurements of reactive nitrogen compounds in the free troposphere | Dickerson, RR | 1,984 | null | 0 |
35,377 | Further modification of a commercial NOx detector for high sensitivity | Dickerson, RR; Delany, AC; Wartburg, AF | 1,984 | null | 0 |
36,717 | Pollutants generated in greenhouses during CO2 enrichment | Mansfield, TA; Murray, AJS | 1,984 | null | 0 |
35,763 | On the nature of nitrate in coarse continental aerosols | Wolff, GT | 1,984 | The nature of nitrate (14797558) (NO3) in coarse continental environments was studied. NO3 aerosols were collected in two size fractions at a remote site in South Dakota, an urban site in Denver, a rural site in Louisiana near the Gulf Coast, a rural site in the Blue Ridge Mountains of Virginia, and an urban site in D... | 0 |
41,313 | Prostaglandin F2"alpha" increases responsiveness of pulmonary airways in dogs | O'Byrne, PM; Aizawa, H; Bethel, RA; Chung, KF; Nadel, JA; Holtzman, MJ | 1,984 | null | 0 |
39,871 | Evaluation of kinetic and mechanistic data for modeling of photochemical smog | Atkinson, R; Lloyd, AC | 1,984 | This review is a critical evaluation of the rate constants, mechanisms, and products of selected atmospheric reactions of hydrocarbons, nitrogen oxides, and sulfur oxides in air. The evaluation considers eight hydrocarbons (n?butane, 2,3?dimethylbutane, ethene, propene, 1?butene, t r a n s?2?butene, toluene, and m?xyle... | 0 |
40,674 | Critical issues in air pollution epidemiology | Lippmann, M; Lioy, PJ | 1,984 | null | 0 |
37,024 | Response of yellow poplar (Liriodendron tulipifera L) seedling shoot growth to low concentrations of O3, SO2, and NO2 | Mahoney, MJ; Skelly, JM; Chevone, BI; Moore, LD | 1,984 | HEEP COPYRIGHT: BIOL ABS. RRM POLLUTANT | 0 |
60,472 | Aluminum speciation and equilibria in soil solutions of a Haplorthod in the Adirondack Mountains (New York, USA) | David, MB; Driscoll, CT | 1,984 | null | 0 |
43,245 | Emission of nitric oxide from arable land | Johansson, C; Granat, L | 1,984 | null | 0 |
38,846 | Influence of meteorology on high ozone concentrations | Atwater, MA | 1,984 | null | 0 |
55,209 | On the molecular-scattering in the terrestrial atmosphere: an empirical formula for its calculation in the homosphere | Nicolet, M | 1,984 | A recent determination by D. R. Bates of the Rayleigh scattering cross section (oRS) for air from 0.2 to 1 Am leads to a simple empirical formula (A in m)
oRS = 4.02 x 10-28/A4+xcm2
where x = 0.389A + 0.09426/A - 0.3228 for the spectral region 0.2 Am < A <0.55 Am; the accuracy is within ?... | 0 |
39,380 | Assessing impacts of ozone on agricultural crops: II. Crop yield functions and alternative exposure statistics | Heck, WW; Cure, WW; Rawlings, JO; Zaragoza, LJ; Heagle, AS; Heggestad, HE; Kohut, RJ; Kress, LW; Temple, PJ | 1,984 | null | 1 |
41,309 | Ozone exposure, food restriction and protein deficiency: changes in collagen and elastin in rodent lung | Myers, BA; Dubick, MA; Reiser, KM; Gerriets, JE; Last, JA; Rucker, RB | 1,984 | null | 0 |
40,024 | Gas exchange in open-top field chambers: II. Resistances to ozone uptake by soybeans | Unsworth, MH; Heagle, AS; Heck, WW | 1,984 | null | 1 |
19,132 | Sulfur cycling in forests | Johnson, DW | 1,984 | Electric Power Research Institute; U.S. Department of Energy.#Sulfur is essential for the production of certain amino acids in plants. As amino acid sulfur is the major form of sulfur in trees, there is a strong relationship between organic S and organic N in tree tissue. Sulfur deficiencies occur in parts of southeast... | 0 |
11,632 | The effects of environmental tobacco smoke exposure and gas stoves on daily peak flow rates in asthmatic and non-asthmatic families | Lebowitz, MD | 1,984 | null | 0 |
19,196 | Impact of air pollutant combinations on plants | Runeckles, VC | 1,984 | null | 0 |
44,136 | An update on oxidant trends in the south coast air basin of California | Kumar, S; Chock, DP | 1,984 | null | 0 |
40,671 | Indoor-outdoor air pollution, allergen and meteorological monitoring in an arid southwest area | Lebowitz, MD; Corman, G; O'Rourke, MK; Holberg, CJ | 1,984 | null | 0 |
41,239 | Gas exchange in open-top field chambers: I. Measurement and analysis of atmospheric resistances to gas exchange | Unsworth, MH; Heagle, AS; Heck, WW | 1,984 | Factors controlling rates of gas exchange between the atmosphere and plants growing in open-top field chambers, commonly used for studying crop responses to air quality, are measured and analysed. Restrictions on gas transfer by incursion through the open top, by air movement from the ventilation fan and by transfer th... | 1 |
40,023 | Foliar injury response of petunia and kidney bean to simultaneous and alternate exposures to ozone and PAN | Nouchi, I; Mayumi, H; Yamazoe, F | 1,984 | Petunia at about 6 weeks old and kidney bean at two growing stages (6?7 days old and 16?18 days old) were exposed separately to O3, (0?0.40 ppm) and PAN (0?0.25 ppm) for 4 h and to the mixture for the same time. In addition, petunia was exposed to O, (0.10?0.40 ppm) and then PAN (0.010?0.040 ppm) for 4 h, respectively.... | 0 |
40,989 | Atmospheric implications of simultaneous nighttime measurements of NO3 radicals and HONO | Pitts, JN, Jr; Biermann, HW; Atkinson, R; Winer, AM | 1,984 | #Atmospheric concentrations of gaseous HONO and the NO/sub 3/ radical were measured simultaneously for the first time using long path differential optical absorption spectroscopy. Diurnal profiles are reported for two successive nights following days of moderate pollution at Riverside, California, together with concurr... | 0 |
3,987,462 | National air quality and emission trends report, 1982 | null | 1,984 | This report presents national and regional trends in air quality from 1975 through 1982 for total suspended particulate, sulfur dioxide, carbon monoxide, nitrogen dioxide, ozone and lead. Both national and regional trends in each of the major pollutants are examined and, where appropriate, specific Statewide air qualit... | 0 |
29,711 | Air quality criteria for ozone and other photochemical oxidants, volume III of V (review draft) | null | 1,984 | This review of the effects of photochemical oxidants on vegetation and the responses of vegetation to photochemical oxidants first discusses the general methodologies used in studies of air pollution effects to provide a basis for understanding the methods, approaches, and experimental designs used in the studies discu... | 1 |
40,079 | Rate constants for the gas-phase reactions of nitrate radicals with a series of organics in air at 298 "+/-" 1 K | Atkinson, R; Plum, CN; Carter, WPL; Winer, AM; Pitts, JN, Jr | 1,984 | null | 0 |
39,264 | A comparison of ambient ozone exposures for selected nonurban sites [Paper no. 84-104.1] | Lefohn, AS | 1,984 | null | 0 |
40,987 | An investigation of the dark formation of nitrous acid in environmental chambers | Pitts, JN, Jr; Sanhueza, E; Atkinson, R; Carter, WPL; Winer, AM; Harris, GW; Plum, CN | 1,984 | The formation of nitrous acid (HONO) in the dark from initial concentrations of NO SUB 2 of 0.1-20 ppm in air, and the concurrent disappearance of NO SUB 2 , were monitored quantitatively by UV differential optical absorption spectroscopy in two different environmental chambers of ca. 4300- and 5800-L volume (both with... | 0 |
39,379 | National Crop Loss Assessment Network (NCLAN) 1982 annual report | Heck, WW; Taylor, OC; Adams, RM; Bingham, GE; Miller, JE; Preston, EM; Weinstein, L | 1,984 | The National Crop Loss Assessment Network (NCLAN) is a group of organizations cooperating in research to assess the short- and long-term economic impact of air pollution on crop production. The primary objectives are (1) to define relationships between yield of major agricultural crops and doses of ozone, sulfur dioxid... | 0 |
41,287 | Terminal airway remodeling in chronic ozone exposure | Barr, BC | 1,984 | null | 0 |
41,325 | Giant lamellar bodies in alveolar type II cells of rats exposed to a low concentration of ozone | Shimura, S; Maeda, S; Takismima, T | 1,984 | null | 0 |
34,596 | Krupp-Syndrom und Schadstoffe in der Atemluft: Eine statistische Analyse jahreszeitlicher Schwankungen der Immissionswerte in Relation zur Erkrankungshaeufigkeit [Croup syndrome and air-pollution: a statistical analysis of seasonal fluctuations in pollution levels in relationship to the incidence of the disease]. | Wemmer, U | 1,984 | null | 0 |
41,273 | Severity and frequency of SO2-induced leaf necrosis on seedlings of 57 tree species | Umbach, DM; Davis, DD | 1,984 | null | 0 |
38,839 | Effects of peroxyacetyl nitrate (PAN) and ozone on some plant species | Tonneijck, AEG | 1,984 | null | 0 |
55,205 | The solar-radiation between 3300 and 12500 A | Neckel, H; Labs, D | 1,984 | Results are presented, which follow from the merging of: (a) our previously published absolute integrals of the disk-center intensity for 20 A wide spectral bands; (b) the ratios of mean to central intensity derived from recent observations of the center-to-limb variation of those bands (2< 6600 A); (c) the ratios of m... | 0 |
53,173 | Effects of low level O3 exposure on leaf diffusive conductance and water-use efficiency in hybrid poplar | Reich, PB; Lassoie, JP | 1,984 | Young, amphistomatous hybrid poplar (Populus deltoides x tricliocarpa) plants were exposed daily to either background (0.025 cm3 m-3) or elevated (0.125 cm3 m-3) concentrations of O3. Levels of abaxial and adaxial leaf conductance were affected interactively by pollutant treatment, leaf age, and photon fluence rate. Co... | 1 |
52,843 | Gaseous air pollutants and plant metabolism | Koziol, MJ; Whatley, FR | 1,984 | null | 0 |
39,100 | National air pollutant emission estimates, 1940-1983 | null | 1,984 | null | 0 |
78,906 | Monitoring levels and effects of air pollutants | Posthumus, AC | 1,984 | null | 0 |
41,182 | Development of a biological air quality indexing system: a report to the Minnesota Environmental Quality Board | Laurence, JA | 1,984 | null | 0 |
44,153 | Proceeding of an international workshop on the evaluation and assessment of the effects of photochemical oxidants on human health, agricultural crops, forestry, materials and visibility; February-March; Goteborg, Sweden | Grennfelt P ed | 1,984 | null | 0 |
40,244 | Ozone-induced airway hyperreactivity in the guinea pig | Gordon, T; Venugopalan, CS; Amdur, MO; Drazen, JM | 1,984 | null | 0 |
42,275 | Effects of exercise continuity at the same mean ventilation on acute ozone toxicity | Adams, WC; Shaffrath, JD | 1,984 | null | 0 |
72,991 | Gas-aqueous reactions of sulfur and nitrogen oxides in liquid-water clouds | Schwartz, SE | 1,984 | null | 0 |
41,295 | Similarities of host defense mechanisms against pulmonary infectious diseases in animals and man | Green, GM | 1,984 | null | 0 |
41,018 | User's manual for OZIPM-2: ozone isopleth plotting with optional mechanisms/version 2 | null | 1,984 | null | 0 |
36,583 | Effects of nutrient and light limitation on mountain hemlock: susceptibility to laminated root rot | Matson, PA; Waring, RH | 1,984 | null | 0 |
52,821 | Air pollutant effects on biochemicals derived from metabolism: organic, fatty and amino acids | Heath, RL | 1,984 | Introduction To summarize the data on the effects of air pollutants on the metabolism of organic, amino and fatty acids would be a truly exceptional task. There are few common. patterns, or good hypotheses, on which to summarize the observed changes. As | 0 |
39,197 | Field compatible calibration procedure for peroxyacetyl nitrate | Holdren, MW; Spicer, CW | 1,984 | null | 0 |
40,969 | Kinetic studies of sulfite oxidation in aqueous solution | Martin, LR | 1,984 | null | 0 |
39,191 | Aqueous H2O2 production from O3 in glass impingers | Heikes, BG | 1,984 | null | 0 |
41,260 | Air pollutant effects on forest communities | McClenahen, JR | 1,984 | null | 0 |
42,181 | The effect of simulated acid rain and ozone on the yield and quality of glasshouse-grown alfalfa | Rebbeck, J; Brennan, E | 1,984 | null | 0 |
39,980 | Aqueous aerosol as a reactant in the atmosphere | Brock, JR; Durham, JL | 1,984 | null | 0 |
41,338 | Exposure-effect relationship of selected pulmonary function measurements in subjects exposed to ozone | Kagawa, J | 1,984 | null | 0 |
47,831 | Transport of ozone by turbulence and clouds in an urban boundary layer | Greenhut, GK; Ching, JKS; Pearson, R, Jr; Repoff, TP | 1,984 | SUMMARY The turbulent fluxes of ozone and latent and sensible heat are computed from fast-response measurements made aboard a National Oceanic and Atmospheric Administration aircraft over downtown Philadelphia and the surrounding suburbs during the afternoon and evening of August 22, 1979. In the afternoon the ozone ... | 0 |
43,244 | Field measurements of emission of nitric oxide from fertilized and unfertilized forest soils in Sweden | Johansson, C | 1,984 | null | 0 |
41,168 | Relationship of biochemical effects of air pollutants on plants to environmental problems: insect and microbial interactions | Hughes, PR; Laurence, JA | 1,984 | null | 0 |
2,201 | The complexity and stability of ecosystems | Pimm, SL | 1,984 | Early studies suggested that simple ecosystems were less stable than complex ones, but later studies came to the opposite conclusion. Confusion arose because of the many different meanings of `complexity? and `stability?. Most of the possible questions about the relationship between stability?complexity have not been a... | 0 |
21,641 | Mutagenic changes in dilute wood smoke as it ages and reacts with ozone and nitrogen dioxide: an outdoor chamber study | Kamens, RM; Rives, GD; Perry, JM; Bell, DA; Paylor, RF, Jr; Goodman, RG; Claxton, LD | 1,984 | null | 0 |
38,746 | Studies of sulfur dioxide and nitrogen dioxide reactions in haze and cloud | Gertler, AW; Miller, DF; Lamb, D; Katz, U | 1,984 | null | 0 |
38,402 | Mechanism and rates of the gas-phase oxidations of sulfur dioxide and nitrogen oxides in the atmosphere | Calvert, JG; Stockwell, WR | 1,984 | null | 0 |
39,182 | Portable generator for on-site calibration of peroxyacetyl nitrate analyzers | Grosjean, D; Fung, K; Collins, J; Harrison, J; Breitung, E | 1,984 | null | 0 |
39,259 | Indoor/outdoor ozone concentrations at a contemporary art gallery | Davies, TD; Ramer, B; Kaspyzok, G; Delany, AC | 1,984 | null | 0 |
41,220 | [Personal communication to D T Tingey, Corvallis, OR: US Environmental Protection Agency] | Taylor, OC | 1,984 | null | 0 |
39,337 | Ozone, antioxidant spray and Meloidogyne hapla effects on tobacco | Bisessar, S; Palmer, KT | 1,984 | null | 0 |
41,787 | The integration of species sensitivity and dosimetry in the extrapolation of ozone and nitrogen dioxide health data from animal to man | Graham, JA; Hatch, GE | 1,984 | null | 0 |
28,968 | Reactivity/volatility classification of selected organic chemicals: existing data | Singh, HB; Jaber, HM; Davenport, JE | 1,984 | null | 0 |
40,349 | A one-dimensional photochemical model of the troposphere with planetary boundary-layer parameterization | Fishman, J; Carney, TA | 1,984 | null | 0 |
40,330 | New solid-sorbent method for ambient nitrogen dioxide monitoring | Lipari, F | 1,984 | null | 0 |
40,083 | Tropospheric reactions of dimethyl sulfide with NO3 and OH radicals | Atkinson, R; Pitts, JN, Jr; Aschmann, SM | 1,984 | null | 0 |
38,191 | Lung surfactant phospholipids in different animal species | Shelley, SA; Paciga, JE; Balis, JU | 1,984 | A comparative study of adult mammalian lung surfactants was undertaken to determine which animal species might serve as appropriate models for surfactant alterations in human lung diseases. Phosphatidylcholine (PC) comprised 80-87% of the phospholipid and contained more than 65% palmitic acid in all species studied. Ph... | 0 |
40,240 | Interaction of peroxyacetyl nitrate and ozone on pulmonary functions | Drechsler-Parks, DM; Bedi, JF; Horvath, SM | 1,984 | The metabolic and pulmonary function effects were investigated in 10 nonsmoking, young adult men who were exposed for 2 h (20 degrees C (wet-bulb globe temperature) (WBGT] to 4 conditions: (1) filtered air (FA), (2) 0.30 ppm peroxyacetyl nitrate (PAN), (3) 0.45 ppm ozone (O3), and (4) 0.45 ppm O3 + 0.30 ppm PAN (PAN/O3... | 0 |
40,220 | Differences between inhaled and intravenous carbachol in detecting O3-induced airway effects | Abraham, W; Chapman, GA; Marchette, B | 1,984 | The response of specific lung resistance (SRL) to inhalation of 5 and 10 mg/ml carbachol was compared with the response of SRL to intravenous infusion of 2 and 5 micrograms/kg carbachol before and after a 2-day exposure to 0.5 ppm ozone (O3) in eight conscious sheep. Airway reactivity was defined as the slope of the do... | 0 |
42,855 | The role of dye diffusion in the ozone fading of acid and disperse dyes in polyamides | Moore, RAF; Ruetsch, SB; Weigmann, HD | 1,984 | null | 0 |
40,924 | Photooxidation of methyl sulfide, ethyl sulfide, and methanethiol | Grosjean, D | 1,984 | HEEP COPYRIGHT: BIOL ABS. Products of sunlight-irradiated mixtures of NOx and alkyl sulfides (RSR, R = CH3, C2H5) and methanethiol (CH3SH) in air included formaldehyde (R = CH3), acetaldehyde and PAN (peroxyacetyl nitrate) (R = C2H5), SO2 and alkyl nitrates (RONO2) and particulate alkanesulfonic acids (RSO2OH) and in... | 0 |
41,336 | Pulmonary effects in healthy young men of four sequential exposures to ozone | Haak, ED; Hazucha, MJ; Stacy, RW; House, DE; Ketcham, BT; Seal, E, Jr; Roger, LJ; Knelson, JR | 1,984 | null | 0 |
40,310 | A mechanism of synergistic lung damage by ozone and a respirable aerosol | Last, JA; Hyde, DM; Chang, DPY | 1,984 | Southern California Edison Company; National Institutes of Health. #A hitherto unexpected synergism between the oxidant air pollutants ozone or nitrogen dioxide and a respirable-sized aerosol of ammonium sulfate was previously observed during controlled exposures of rats to these substances. In this paper we examine bi... | 0 |
34,777 | Ultrastructural observations of rat lung exposed to nitrogen dioxide for 7 months | Yamamoto, I; Takahashi, M | 1,984 | null | 0 |
1,254,447 | N-nitroso compounds: occurrence, biological effects and relevance to human cancer. Proceedings of the VIIIth International Symposium on N-Nitroso Compounds. Banff, Canada, 5-9 September 1983 | null | 1,984 | null | 0 |
34,786 | In-vivo nitrosation of amines in mice by inhaled nitrogen dioxide and inhibition of biosynthesis of N-nitrosamines | Iqbal, ZM | 1,984 | Inhalation of nitrogen dioxide (NO2) by mice administered orally morpholine (MOR) or dimethylamine (DMA) resulted in the biosynthesis of N-nitrosomorpholine (NMOR) or N-nitrosodimethylamine (NDMA), respectively, as determined by the analysis of frozen whole-mouse powder, using gas chromatography with a Thermal Energy A... | 0 |
43,872 | Plant response to air pollutant mixtures | Reinert, RA | 1,984 | null | 0 |
40,044 | The response of the macaque tracheobronchial epithelium to acute ozone injury: A quantitative ultrastructural and autoradiographic study | Wilson, DW; Plopper, CG; Dungworth, DL | 1,984 | The tracheal epithelium of a variety of laboratory species is widely used as a model system in studies of epithelial biology and respiratory carcinogenesis. The purpose of this study was to evaluate the response of the tracheal epithelium to cytotoxic injury in a primate species that may have an epithelium more represe... | 0 |
40,665 | COPD prevalence in nonsmokers in high and low photochemical air pollution areas | Hodgkin, JE; Abbey, DE; Euler, GL; Magie, AR | 1,984 | U.S. Environmental Protection Agency; California Air Resources Board. #The prevalence of respiratory symptoms, as ascertained by questionnaire, was evaluated in 6,666 nonsmokers who had lived for at least II years in either a high photochemical pollution area (4,379 individuals) or a low photochemical pollution area (2... | 0 |
777,025 | The influence of a fall fumigation with ozone on the stomatal behavior of spruce and fir | Keller, T; Hasler, R | 1,984 | Clonal stock (grafts of 15-, 50-, and 100-year-old trees) of spruce (Picea abies (L.) Karst.) and fir (Abies alba Mill.) was exposed either to 150 ppb ozone (~300 ?gm-3) during 9 daylight hours or to carbon-filtered air on 35 days between 29 August and 21 October 1983. At the end of the fumigation the trees did not exh... | 1 |
40,003 | Effect of short-term ozone exposure on exogenous thyroxine levels in thyroidectomized and hypophysectomized rats | Clemons, GK; Wei, D | 1,984 | Short-term ozone exposure (1 ppm X 24 hr) of male rats results in a significant reduction of circulating thyroid hormones and thyroid stimulating hormone (TSH). The reduction of thyroid hormone levels after ozone exposure has been hypothesized as a possible adaptive mechanism to enhance survival of rats during ozone ex... | 0 |
46,351 | Review of receptor model fundamentals | Henry, RC; Lewis, CW; Hopke, PK; Williamson, HJ | 1,984 | There are several broad classes of mathematical models used to apportion the aerosol measured at a receptor site to its likely sources. This paper surveys the two types applied in exercises for the Mathematical and Empirical Receptor Models Workshop (Quail Roost II): chemical mass balance models and multivariate models... | 0 |
40,242 | Exercise and air pollution | Folinsbee, LJ; Raven, PB | 1,984 | Will the air quality in Los Angeles be a matter of concern for athletes participating in the 1984 Olympics? This question and corollaries of it are being asked with increasing frequency as the time of the Olympics nears. This review identifies the major pollutants that have been shown to produce physiological changes w... | 0 |
35,290 | Air pollution damage to exterior household paints | Haynie, FH; Spence, JW | 1,984 | null | 0 |
38,892 | Isoprene: a photochemical kinetic mechanism | Killus, JP; Whitten, GZ | 1,984 | A computer-modeling study has produced a photochemical kinetic mechanism for the atmospheric chemistry of isoprene, a naturally occurring common constituent of the troposphere. The kinetic mechanism is ready for use in atmospheric models because the reactions described are shown to adequately reproduce the results of a... | 0 |
88,455 | How long is a long-term study? | Calder WA III | 1,984 | null | 0 |
39,600 | Long-term consequences of exposure to ozone. I. Lung collagen content | Last, JA; Reiser, KM; Tyler, WS; Rucker, RB | 1,984 | Lung collagen content of rats and monkeys (Macaca fascicularis) exposed to ozone for 1 to 13 weeks and for 1 year, respectively, was quantified by measurement of 4-hydroxyproline in hydrolysates of whole lungs. In addition, ratios of type I to type III collagen in the lungs of the same monkeys were also evaluated by cy... | 1 |
23,049 | A comparison of biochemical effects of nitrogen dioxide, ozone, and their combination in mouse lung I Intermittent exposures | Mustafa, MG; Elsayed, NM; Von Dohlen, FM; Hassett, CM; Postlethwait, EM; Quinn, CL; Graham, JA; Gardner, DE | 1,984 | Swiss Webster mice were exposed to either 4.8 ppm (9024 microgram/m3) nitrogen dioxide (NO2), 0.45 ppm (882 microgram/m3) ozone (O3), or their combination intermittently (8 hr daily) for 7 days, and the effects were studied in the lung by a series of physical and biochemical parameters, including lung weight, DNA and p... | 0 |
39,741 | Respiratory effects of intermittent exposure to ozone of rats | Yokoyama, E; Ichikawa, I; Nambu, Z; Kawai, K; Kyono, Y | 1,984 | Intermittent exposures of rats to ozone (O3) of 1 and 0.5 ppm were performed. Flow resistance of the lungs left in situ in the chest cavity opened after the sacrifice was measured at different levels of elastic pressure, and it was shown that daily 3-hr exposures to 1 ppm O3 for 30 consecutive days mainly produced incr... | 0 |
34,807 | Studies on the biochemical effects of nitrogen dioxide. IV. Relation between the change of lipid peroxidation and the antioxidative protective system in rat lungs upon life span exposure to low levels of NO2 | Sagai, M; Ichinose, T; Kubota, K | 1,984 | This study examined the relation between lipid peroxidation and the antioxidative protective system in lungs of rats exposed to low levels of nitrogen dioxide (NO2). JCL:male Wistar rats were exposed to 0, 0.04, 0.4, and 4 ppm NO2 for 9, 18, and 27 months. Lipid peroxidation measured by TBA method, increased significan... | 0 |
35,945 | Field measurements of NO and NO2 emissions from fertilized and unfertilized soils | Slemr, F; Seiler, W | 1,984 | null | 0 |
39,493 | Changes in airway permeability and responsiveness after exposure to ozone | Abraham, WM; Delehunt, JC; Yerger, L; Marchette, B; Oliver, W, Jr | 1,984 | The purpose of this investigation was to examine the relationship between airway responsiveness and the permeability of histamine through the airways in conscious sheep after exposure to ozone (O3). Airway responsiveness was assessed by measuring the change from baseline in mean pulmonary flow resistance following a co... | 1 |
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