872 resultados para Fire extinction
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At head of title: National Fire Protection Association (International)
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"Section 9-223(b) required the ICC to conduct at least three public forums by December 31, 2007 ... to evaluate the purpose and use of each fire protection charge imposed by any municipality or public fire protection district, and submit its findings and recommendations to the General Assembly prior to the end of the veto session in 2008."--Cover letter.
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Includes index.
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Includes index.
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"August 1984."
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Mode of access: Internet.
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Appears to be the same as the original 1973 edition except for the larger size and the addition of the U.S. Fire Administration's single-page "Information Update" dated September 1989 and inserted between pages [viii] and ix. The information update presents corrections to certain statistical data.
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Aquest projecte tracta d’un estudi tècnic, disseny i càlcul de les instal∙lacions d’un edifici mixte d’habitatges, local comercial i zona d’aparcament, complint la normativa que li pertoca segons l’ús a que es destina l’espai. L’edifici objecte d’aquest projecte es troba situat a la cruïlla Platja d’Aro s/n de la localitat de Santa Cristina d’Aro, i es tracta com un edifici de nova construcció. L’abast del projecte contempla les instal∙lacions elèctriques, tèrmiques, contra incendis, sanejament i de salubritat, per tal d’assolir les fases executives del projecte, així com les legalitzacions de les diferents activitats que es desenvolupen a l’edifici (aparcament de vehicles, comercial, taller de reparació de vehicles a motor i d’ús administratiu). Es pretén fer un estudi integral de les instal∙lacions i mesures correctores que es poden realitzar en un edifici amb les característiques esmentades
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"DOE/EV/06020-T3."
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Mode of access: Internet.
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Includes index.
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"May 1969"--P. 16.
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Mode of access: Internet.
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Studying liquid fuel combustion is necessary to better design combustion systems. Through more efficient combustors and alternative fuels, it is possible to reduce greenhouse gases and harmful emissions. In particular, coal-derived and Fischer-Tropsch liquid fuels are of interest because, in addition to producing fewer emissions, they have the potential to drastically reduce the United States' dependence on foreign oil. Major academic research institutions like the Pennsylvania State University perform cutting-edge research in many areas of combustion. The Combustion Research Laboratory (CRL) at Bucknell University is striving to develop the necessary equipment to be capable of both independent and collaborative research efforts with Penn State and in the process, advance the CRL to the forefront of combustion studies. The focus of this thesis is to advance the capabilities of the Combustion Research Lab at Bucknell. Specifically, this was accomplished through a revision to a previously designed liquid fuel injector, and through the design and installation of a laser extinction system for the measurement of soot produced during combustion. The previous liquid fuel injector with a 0.005" hole did not behave as expected. Through spray testing the 0.005" injector with water, it was determined that experimental errors were made in the original pressure testing of the injector. Using data from the spray testing experiment, new theoretical hole sizes of the injector were calculated. New injectors with 0.007" and 0.0085" orifices were fabricated and subsequently tested to qualitatively validate their behavior. The injectors were installed in the combustion rig in the CRL and hot-fire tested with liquid heptane. The 0.0085" injector yielded a manageable fuel pressure and produced a broad flame. A laser extinction system was designed and installed in the CRL. This involved the fabrication of a number of custom-designed parts and the specification of laser extinction equipment for purchase. A standard operating procedure for the laser extinction system was developed to provide a consistent, safe method for measuring soot formation during combustion.
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1 Pollen and charcoal analysis at two lakes in southern Switzerland revealed that fire has had a prominent role in changing the woodland composition of this area for more than 7000 years. 2 The sediment of Lago di Origlio for the period between 5100 and 3100 bc cal. was sampled continuously with a time interval of about 10 years. Peaks of charcoal particles were significantly correlated with repeated declines in pollen of Abies, Hedera, Tilia, Ulmus, Fraxinus excelsior t., Fagus and Vitis and with increases in Alnus glutinosa t., shrubs (e.g. Corylus, Salix and Sambucus nigra t.) and several herbaceous species. The final disappearance of the lowland Abies alba stands at around 3150 bc cal. may be an example of a fire-caused local extinction of a fire-intolerant species. 3 Forest fires tended to diminish pollen diversity. The charcoal peaks were preceded by pollen types indicating human activity. Charcoal minima occurred during periods of cold humid climate, when fire susceptibility would be reduced. 4 An increase of forest fires at about 2100 bc cal. severely reduced the remaining fire-sensitive plants: the mixed-oak forest was replaced by a fire-tolerant alder–oak forest. The very strong increase of charcoal influx, and the marked presence of anthropogenic indicators, point to principally anthropogenic causes. 5 We suggest that without anthropogenic disturbances Abies alba would still form lowland forests together with various deciduous broadleaved tree taxa.