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  • 1
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    Environmental policy. Counting the cost of deforestation (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-07-06
    Description: To halt the dramatic alteration in our climate, there must be a reduction in the emission of greenhouse gases. As Bonnie and colleagues discuss in their Perspective, conservation of forests will increase carbon sequestration and decrease greenhouse gas emissions. In this issue, a cost-benefit analysis by Kremen et al. demonstrates the benefits of forest conservation on a local and global scale.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonnie, R -- Schwartzman, S -- Oppenheimer, M -- Bloomfield, J -- New York, N.Y. -- Science. 2000 Jun 9;288(5472):1763-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Environmental Defense, 1875 Connecticut Avenue, NW, Washington, DC 20009, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10877697" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Carbon ; Conservation of Natural Resources/*economics ; Cost-Benefit Analysis ; Developing Countries ; *Ecosystem ; Greenhouse Effect ; Industry ; *Trees
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Rain forest conservation under review (2007)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2007-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Leva, C -- Niles, J O -- Kremen, C -- Guillery, P -- Bonnie, R -- Schwartzman, S -- New York, N.Y. -- Science. 2000 Sep 1;289(5484):1471c-2c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17839517" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
    Electronic Resource
    Electronic Resource
    Calculation and measurement of initial electron densities in x-ray preionized avalanche discharge lasers (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 4521-4528 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The initial electron density in x-ray preionized avalanche discharge lasers has been studied extensively. A computer model has been developed to calculate this initial electron density taking into account the characteristics of the x-ray source, x-ray physics, and geometric effects. Results of these calculations were verified for various experimental conditions using an ionization chamber. The experimental data are in excellent agreement with the calculations. Results from this work may be directly applied in the design of x-ray preionized gas lasers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.343248
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  • 4
    Electronic Resource
    Electronic Resource
    Cobalt-Schiff Base Complex Catalyzed Oxidation of Para-Substituted Phenolics. Preparation of Benzoquinones (1995)
    s.l. : American Chemical Society
    The @journal of organic chemistry 60 (1995), S. 2398-2404 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00113a020
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  • 5
    Electronic Resource
    Electronic Resource
    Risk Characterization of Methyl tertiary Butyl Ether (MTBE) in Tap Water (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Risk analysis 17 (1997), S. 0 
    Details
    ISSN: 1539-6924
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Methyl tertiary butyl ether (MTBE) can enter surface water and groundwater through wet atmospheric deposition or as a result of fuel leaks and spills. About 30% of the U.S. population lives in areas where MTBE is in regular use. Ninety-five percent of this population is unlikely to be exposed to MTBE in tap water at concentrations exceeding 2 ppb, and most will be exposed to concentrations that are much lower and may be zero. About 5% of this population may be exposed to higher levels of MTBE in tap water, resulting from fuel tank leaks and spills into surface or groundwater used for potable water supplies. This paper describes the concentration ranges found and anticipated in surface and groundwater, and estimates the distribution of doses experienced by humans using water containing MTBE to drink, prepare food, and shower/bathe. The toxic properties (including potency) of MTBE when ingested, inhaled, and in contact with the skin are summarized. Using a range of human toxic potency values derived from animal studies, margins of exposure (MOE) associated with alternative chronic exposure scenarios are estimated to range from 1700 to 140,000. Maximum concentrations of MTBE in tap water anticipated not to cause adverse health effects are determined to range from 700 to 14,000 ppb. The results of this analysis demonstrate that no health risks are likely to be associated with chronic and subchronic human exposures to MTBE in tap water. Although some individuals may be exposed to very high concentrations of MTBE in tap water immediately following a localized spill, these exposures are likely to be brief in duration due to large-scale dilution and rapid volatilization of MTBE, the institution of emergency response and remediation measures to minimize human exposures, and the low taste and odor thresholds of MTBE which ensure that its presence in tap water is readily detected at concentrations well below the threshold for human injury.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1539-6924.1997.tb01279.x
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  • 6
    Electronic Resource
    Electronic Resource
    Mixture-dependent electron densities in x-ray preionized Ne-Xe-HCl mixtures (1990)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 67 (1990), S. 2716-2724 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Preionization electron densities have been studied in an x-ray preionized XeCl laser as a function of the gas composition. Also the influence of emission of photoelectrons from the electrode surfaces on the initial electron density has been determined. For low Xe partial pressures, an excited neon bottleneck in the Penning ionization process of Xe is found. For higher Xe pressures, the preionization density increases linearly with the Xe concentration. A simple model gives a satisfactory agreement with the measurements over more than two decades of Xe partial pressure. We also determine the density of Ne* following x-ray irradiation. Measurements in mixtures containing HCl show that due to electron attachment no initial value of the electron density can be assigned. The method used here will give a lower estimate for the total charge density in these mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.345460
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  • 7
    Electronic Resource
    Electronic Resource
    IRON BIOAVAILABILITY OF HAND-DEBONED AND MECHANICALLY DEBONED BEEF (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 42 (1977), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Iron content and bioavailability of mechanically-deboned (MD) and hand-deboned (HD) beef was investigated. Shank and plate bones with residual meat from utility grade animals were treated by both deboning processes. Iron content of MD meats was higher than HD meats. Rats were made anemic and fed one of the following diets: basal, basal + FeSO4, MD shank, HD shank, MD plate or HD plate. Hemoglobin regeneration served as the basis for measuring iron utilization. The iron from FeSO4 was most efficiently utilized. Iron from HD shank and HD plate were better utilized than iron from MD shank and MD plate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1977.tb08443.x
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  • 8
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    Is There a Climate for Success? (1977)
    Saranac Lake, N.Y., etc. : Periodicals Archive Online (PAO)
    Management Review. 66:5 (1977:May) 37 
    Details
    ISSN: 0025-1895
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:7504-1977-066-05-000006
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  • 9
    Electronic Resource
    Electronic Resource
    Subnanosecond pulse measurements of 10.6 μm radiation with tellurium (1988)
    Springer
    Applied physics 46 (1988), S. 103-109 
    Details
    ISSN: 1432-0649
    Keywords: 42.60 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Subnanosecond infrared pulses have been measured by noncollinear secondharmonic generation in tellurium. The method is very practical because due to the high refractive index the fine tuning of the phase matching is easily obtained by rotating the crystal around the optic axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00698659
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  • 10
    Electronic Resource
    Electronic Resource
    High pressure X-ray preionized TEMA-CO2 laser (1987)
    Springer
    Applied physics 44 (1987), S. 37-39 
    Details
    ISSN: 1432-0649
    Keywords: 42.55E ; 42.60B
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The construction of a high-pressure (up to 20 atm) transversely excited CO2 laser using transverse X-ray preionization is described. High pressure operation was found to be greatly improved in comparison to UV-preionized systems. Homogeneous discharges have been achieved in the pressure range 5–20 atm, yielding a specific laser output in the order of 35 J/l.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00693981
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