316 research outputs found

    AAC Choo spring barley

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    ‘AAC Choo’ is a spring, two-row, general purpose barley (Hordeum vulgare L.) released by the Ottawa Research and Development Centre, Agriculture and Agri-Food Canada. AAC Choo is higher in yield, good lodging resistance and moderately susceptible to Fusarium head blight (caused by Fusarium graminearum Schwabe). AAC Choo is recommended for commercial production in eastern Canada.The presentation of the authors' names and (or) special characters in the title of the pdf file of the accepted manuscript may differ slightly from what is displayed on the item page. The information in the pdf file of the accepted manuscript reflects the original submission by the author

    Correction to: Introduction to special collection: collaborating with technology to sell fashion

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    In the original publication of this article (Choo 2019), the author would like to add the omitted research to the list of this special collection, collaborating with technology to sell fashion

    SPECTROSCOPIC CHARACTERIZATION OF AN ALKYL-SUBSTITUTED CRIEGEE INTERMEDIATE CH3_{3}CHOO AND ITS OH RADICAL PRODUCTS

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    Author Institution: Department of Chemsitry, University of Pennsylvania, Philadelphia, PA 19104-6323In the atmosphere, cycloaddition of ozone to the double bond of alkenes produces energized Criegee intermediates, which undergo subsequent decay processes to yield OH radicals. In this laboratory, a simple alkyl-substituted Criegee intermediate CH3_{3}CHOO is produced by 248 nm photolysis of CH3_{3}CHI2_{2} and subsequent reaction of CH3_{3}CHI with O2_{2} in a quartz capillary tube reactor, following the same approach utilized for CH2_{2}OO., 20045 (2012).} The CH3_{3}CHOO intermediate (m/z=60) and other products are detected following supersonic expansion using 118 nm VUV ionization in a time-of-flight mass spectrometer. The OH radical products from decomposition of the CH3_{3}CHOO intermediate are also directly detected at m/z=17 using a new UV+VUV ionization scheme, combining UV excitation on the OH A ^2Σ+\Sigma^+-X ^2Π\Pi (1,0) transition with fixed-frequency VUV at 118 nm,, 241102 (2011).} or alternatively by UV laser-induced fluorescence on the OH A-X transition; OH products are also observed from CH2_{2}OO. The CH3_{3}CHOO intermediate is characterized by a strong B 1^1A^\prime-X 1^1A^\prime electronic transition, in which UV excitation near the peak of a broad absorption profile centered at 320 nm results in significant depletion of the CH3_{3}CHOO photoionization signal. The mechanism proposed for OH generation from energized CH3_{3}CHOO and many larger Criegee intermediates is a 1,4 H-atom shift to form vinylhydroperoxide species that decay to produce OH. This reaction scheme provides a non-photolytic source of OH radicals in the atmosphere during night and winter times

    February 16, 1905 Page four Chinese students arrive on Tremont local newspaper reporter will be reported Is time spent in kindly acts time wasted New boundaries of the blockade by Togo

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    Ballinger, Harry; Monson, T.L.; Woo, T.M.; Chen Tung Shou; Choo Chang Kwong; Hsu Vee Tseng; Hu Chwang Yu; Tui Wei Seng; Hurd, Lee; Maynard, S.P.; Johnson, J.S.; Hammer, Erik; Chilcott, R.; Tweedie, Leila A.;steamer Tremont

    Thermal Energy Recovery from Drinking Water Systems: Assessing Water Quality and Downstream Temperature Effects

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    Climate change demands for sustainable options for heating and cooling of buildings. Low-temperature thermal energy can be abstracted from the drinking water distribution system (DWDS); this is called thermal energy from drinking water (TED). The possible use of TED as a secondary function of the DWDS raises the question whether this secondary function can exist alongside the primary function (supplying safe and reliable drinking water) and, if so, under what conditions. Using various cases, the potential downstream effects of TED related to drinking water temperature (and hence, downstream increase of cost and CO2emissions for water heating) and microbiological drinking water quality were studied.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Sanitary Engineerin

    Maximizing Water--Food--Energy Nexus Synergies at Basin Scale

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    In this short paper, we show how solutions for mitigating resource security in one sector can be found in another. We demonstrate—by means of a case study in Burkina Faso and Ghana—how investing in the electricity grid in the south leads to increase food security in the north. A new nexus framework was developed (‘MAXUS’) which was built to understand, simulate and optimize intersectoral (and international) development strategies in the water, food and energy sectors. We believe this new type of geospatial integral resource management, supported by the exponential increase of data availability of the twenty-first century, could finally turn nexus models into decision support tools.Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Water Resource

    "Chainsaw Choo Choo" radio episode

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    An audio recording by Oregon Congressman Les AuCoin on a then recent Oregon forest report. Douglas County requested and paid for the report, led by researcher of Oregon State University School of Forestry, John Sessions. AuCoin points out how Sessions is a civil and forest engineer, not a wildfire scientist, and was seemingly unqualified to author the report. AuCoin states that the best approach to generating healthy forests is by natural recovery. This is one episode from AuCoin's biweekly radio show on Jefferson Public Radio (JPR), which ran after he had retired from office. The majority of episodes feature his commentary on current political events, often focusing on issues important to southern Oregon where JPR is based. This episode aired in 2003
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