3,192 research outputs found

    Alternatives to Antibiotics

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    Published by Gill & Macmillan, GoldenBridge, Dublin 8 in 1996. Index compiled by Helen Litton. print origination by O\u27K Graphic Design, Dublin, printed by ColourBooks, Dublin. Dr. John McKenna is a medical doctor. Foreword by Jan de Vries. 155 p., ill. 21 cm.https://arrow.tudublin.ie/irckbooks/1076/thumbnail.jp

    The effect of nitrilotriacetic acid upon the biodegradability of linear alkyl benzene sulfonate

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    The effects of trisodium nitrilotriacetate (SKTA) and sodium tipolyphosphate (STPP) upon the biological degradation of linear alkyl benzene sulfonate (LAS) ware experimentally investigated by the chemical oxygen demand and methylene blue methods. It was found that when STPP was present with LAS, the degradation of the LAS was better than when alone in solution. It was also found that LAS in solution with SN TA was less degradable than LAS alone. The benzene ring of the MS appeared to degrade after most of the linear portion of the chain had already been degraded

    Theology of Adoration

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    The Chimera of Population Norms

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    Removal of benzene-insolubles from coal tar.

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    Virtually Enhanced Fluid Laboratories for Teaching Meteorology

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    The “Weather in a Tank” project offers instructors a repertoire of rotating tank experiments and a curriculum in fluid dynamics to better assist students in learning how to move between phenomena in the real world and basic principles of rotating fluid dynamics that play a central role in determining the climate of the planet. Despite the increasing use of laboratory experiments in teaching meteorology, many teachers and students do not have access to suitable apparatuses and so cannot benefit from them. This article describes a “virtually enhanced” laboratory that could be very effective in getting across a flavor of the experiments and bring them to a wider audience. In the pedagogical spirit of Weather in a Tank, the focus is on how simple underlying principles, illustrated through laboratory experiments, shape the observed structure of the large-scale atmospheric circulation.National Science Foundation (U.S.) (Grant AGS-1338814
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