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1

Brossard, Philippe. "Le retraitement du combustible à particules." Revue Générale Nucléaire, no. 6 (December 2002): 56–59. http://dx.doi.org/10.1051/rgn/20026056.

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2

De Soete, G. G. "Ignition et oxydation des particules de combustible solide pulvérisé." Revue de l'Institut Français du Pétrole 40, no. 5 (1985): 649–70. http://dx.doi.org/10.2516/ogst:1985041.

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3

Ahamdach, Noureddine, and Denise Stammose. "Séparation et caractérisation microscopique des particules de combustible nucléaire présentes dans les sols contaminés de Tchernobyl." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 330, no. 6 (2000): 415–22. http://dx.doi.org/10.1016/s1251-8050(00)00147-6.

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4

Avendaño Prieto, Gerardo, Victor Orlando Zambrano G., and José Alejandro Martínez. "Diseño y formulación de mezclas de combustible tipo Glow con desarrollo metodológico basado en ANOVA." Revista Ontare 3, no. 1 (2015): 7. http://dx.doi.org/10.21158/23823399.v3.n1.2015.1248.

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ONTARE. REVISTA DE INVESTIGACIÓN DE LA FACULTAD DE INGENIERÍAEl presente artículo, trata sobre una investigación para el diseño y formulación de mezclas de combustible tipo Glow para motores de aeromodelos, que con un planteamiento metodológico permite seleccionar la mejor mezcla combustible para un motor de dos tiempos particular, en condiciones particulares, y que adicionalmente acepta plantear como objetivo, el de socializar la metodología experimental y estadística conocida como diseño de experimentos para la generación y el tratamiento de los datos derivados de un experimento con su previ
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5

Moon, Min-Ho, Hyung-Jun Kim, Su-Gyeong Min, Sung-Chan Kim, and Won-Jun Park. "Simulation of Indoor Fire Dynamics of Residential Buildings with Full-Scale Fire Test." Sustainability 13, no. 9 (2021): 4897. http://dx.doi.org/10.3390/su13094897.

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Along with simulated firefighting training, the development of virtual training systems and associated content has recently drawn attention as an alternative method for advanced firefighting training. In particular, to develop virtual training content, it is important to understand the combustion characteristics of indoor combustible materials and appropriately simulate their behavior. In this study, seven types of building fires were selected. From these types, indoor combustible materials of residential buildings were analyzed, and combustion tests were performed for each of three types of c
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6

Kalinchak, V. V., O. C. Chernenko, M. V. Sikorskyi, O. N. Sofronkov, and A. V. Fedorenko. "Cool Air-Gas Mixtures with Combustible Gas Admixtures Steady Flameless Combustion Delay Time on Platinum Particle (Wire)." Фізика і хімія твердого тіла 19, no. 1 (2018): 53–59. http://dx.doi.org/10.15330/pcss.19.1.53-59.

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The proposed work shows analytical way to find a build-up time (induction period) for a mode of steady flameless catalytic combustion on metallic wire for cool air-gas mixtures with combustible gaseous admixtures using as an example flameless combustion of air-gas mixtures with hydrogen admixture of a platinum wire. Steady flameless combustion is observable after an induction period due to increase of initial catalyst temperature exceeding critical point of ignition which depends on particle diameter and combustible gaseous admixture content. Total time of build-up time is split into two stage
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7

Lizcano-Valbuena, William H., Gerardo Andrés Torres, Fabio Henrique Barros de Lima, and Ernesto Rafael González. "Aspectos Morfológicos de Catalizadores para Celdas de Combustible." Revista de Ciencias 13 (September 4, 2011): 125–32. http://dx.doi.org/10.25100/rc.v13i0.649.

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En general los trabajos publicados en el área de celdas de combustible donde se discuten procedimientos de preparación de catalizadores se concentran en reportar tamaños de partícula, parámetros de red, estructura cristalina y actividad catalítica para una determinada reacción. Muy pocos reportes han discutido los aspectos morfológicos de estos materiales. En este trabajo se discuten algunos problemas relacionados con la preparación de catalizadores y la morfología de los mismos, en particular de nanomateriales de Pt, PtRu y PtRh preparados por métodos de reducción química.
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8

Klimenko, A. G. "Controlling parameters of intake stroke of gas piston engines using the method of small deviations." Monitoring systems of environment, no. 3 (September 24, 2020): 49–55. http://dx.doi.org/10.33075/2220-5861-2020-3-49-55.

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A mathematical model of estimation of thermal and effective parameters of the most important part of cogeneration system of gas piston engine working in cogeneration mode was developed. Parameters of fresh air intake stroke with variable conditions of the environment using the method of small deviations were studied. The advantages of using the method of small deviations are the possibility of linearization of calculation equations as well as making calculations of not absolute but relative parameter change. The main parameters of fresh air intake by a cylinder are parameters of combustible mi
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9

Kondratenko, Olexandr, Volodymyr Koloskov, Svitlana Kovalenko, and Yuriy Derkach. "Research of Technical and Economic Properties of Material of Porous Fuel Briquettes from the Solid Combustible Waste Impregnated with Liquid Combustible Waste." Materials Science Forum 1038 (July 13, 2021): 303–14. http://dx.doi.org/10.4028/www.scientific.net/msf.1038.303.

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The study evaluates the impact of the enterprise for production of industrial electronics on the components of the environment, in particular the lithosphere of Kharkiv by solid and liquid combustible waste. The environmental protection technology by the method of waste disposal of solid and liquid combustible substances by improving the technology of production and storage of fuel briquettes with improved ingredient composition, utilization of thermal energy from their combustion in a solid fuel boiler and purification of its exhaust gases been developed. A new ingredient composition of the f
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10

Vogman, L. P., D. A. Korolchenko, and A. V. Khryukin. "Determination of conditions for spontaneous combustion of combustible dust deposits on equipment, in ventilation systems, and aspiration systems of buildings and structures." Pozharovzryvobezopasnost/Fire and Explosion Safety 29, no. 4 (2020): 32–41. http://dx.doi.org/10.22227/pvb.2020.29.04.32-41.

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Introduction. Determination of the scientifi cally substantiated frequency of cleaning the ducts of local exhausts of industrial buildings and structures is one of the tasks in the fi eld of fi re safety of industrial enterprises. The paper describes design methods, in particular, a method for determination of the induction period during spontaneous combustion of dust deposits in air ducts of ventilation systems and equipment, which can be used in solving problems focused on the development of preventive measures to ensure their fi re and explosion safety.Methods. In order to solve the problem
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11

Perovskaya, Kseniya, Daria Petrina, Evgeniy Pikalov, and Oleg Selivanov. "Polymer waste as a combustible additive for wall ceramics production." E3S Web of Conferences 91 (2019): 04007. http://dx.doi.org/10.1051/e3sconf/20199104007.

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The research presents the experimental results devoted to the charge composition development for the production of wall ceramic products, based on low plasticity clay using additives. One of the additives is polymer waste in the amount of 15 wt. %, in particular it is unplasticized polyvinyl chloride used as a combustible additive for increasing ceramics porosity thus decreasing its density and consequently the load on the basement when the walls are constructed. Besides it decreases thermal conductivity and improves energy efficiency of developed wall ceramics application. Boric acid is a sec
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12

Li, Lin, Ron Borland, K. Michael Cummings, et al. "Patterns of Non-Cigarette Tobacco and Nicotine Use Among Current Cigarette Smokers and Recent Quitters: Findings From the 2020 ITC Four Country Smoking and Vaping Survey." Nicotine & Tobacco Research 23, no. 9 (2021): 1611–16. http://dx.doi.org/10.1093/ntr/ntab040.

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Abstract Introduction This study explores patterns of use of non-cigarette tobacco and nicotine products among adult cigarette smokers and recent ex-smokers. Along with cigarette smoking status we explore differences as a function of countries with different product regulations, gender, and age. Methods Data came from the ITC Four Country Smoking and Vaping Wave 3 Survey conducted between February–June 2020. The analytic sample consisted of 9112 current cigarette smokers (at least monthly) and 1184 recent ex-smokers (quit cigarettes ≤ 2 years) from Australia, Canada, England, and the United St
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13

Matiuk, A., I. Ryabinin, R. Huseinov, and I. Shebalkov. "INVESTIGATION OF EXTERNAL (VISUAL) SIGNS OF FLAMMABLE AND COMBUSTIBLE LIQUIDS DETECTED AT THE SCENE OF FIRE." Theory and Practice of Forensic Science and Criminalistics 21, no. 1 (2020): 373–87. http://dx.doi.org/10.32353/khrife.1.2020_26.

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The article purpose is to systematize the external (visual) signs of the use of flammable and combustible liquids as a combustion intensifier at the scene of fire and the methodology of the analysis of these signs to provide reasonable, reliable conclusions when conducting forensic examination in the forensic specialty 10.8. Research on the circumstances of fire occurrence and spread and compliance with fire safety requirements.
 A particular relevance of using a set of special knowledge while investiga- tion of crimes related to fires is explained by the fact that almost only conclu- sio
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14

Ren, Shao Feng, Xian Feng Chen, Yu Jie Wang, and Yin Zhang. "Effect of Equivalence Ratio on Propagation Process of Combustible Gas in Venting Tube." Advanced Materials Research 442 (January 2012): 402–6. http://dx.doi.org/10.4028/www.scientific.net/amr.442.402.

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To explore the effect of equivalence ratio on the propagation process of combustible gas in the venting tube, in the present study, the κ-ε turbulent model and the combustion models were implemented base on unaltered venting conditions and different equivalence ratio of methane-air. In particular, the numerical simulation results illustrate both speed and pressure were at maximum when equivalence ratio was 1.0. However, methane-air didn't reach the most sufficient combustion when equivalence ratio was 1.0. It was possible that the pressure release caught the equivalence ratio change and failed
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15

Salamov, O., L. Mamedova, N. Efendieva, F. Salmanova, R. Mustafayeva, and T. Mahmudova. "PROSPECTS FOR OBTAINING A COMBUSTIBLE MIXTURE OF GASES FROM VEGETABLE AGRICULTURAL WASTE USING SOLAR ENERGY." ASJ 1, no. 50 (2021): 28–35. http://dx.doi.org/10.31618/asj.2707-9864.2021.1.50.113.

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This paper discusses the possibility of obtaining a combustible gas mixture (GHA) from a number of agricultural waste, such as stalks of cotton, grapes and tobacco, walnut and hazelnut shells, etc., by pyrolysis and gasification, using solar energy, in in particular, a solar high-temperature installation (SVTU), in which a parabolic concentrator (PC) is used to convert the sun's radiant energy into thermal energy. Provides data on solar energy resources, as well as plant waste available in various regions of Azerbaijan.
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16

Barrios, Celina E., Elim Albiter, and Rodolfo Zanella. "La fotosíntesis artificial, una alternativa para la producción de combustibles." Mundo Nano. Revista Interdisciplinaria en Nanociencias y Nanotecnología 8, no. 15 (2016): 6–21. http://dx.doi.org/10.22201/ceiich.24485691e.2015.15.53813.

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La fotosíntesis artificial representa una opción sustentable para la producción de combustibles alternativos o vectores energéticos, como el H2, hidrocarburos ligeros, y/o alcoholes a partir de la reducción del CO2 y la oxidación de H2O. El proceso de reducción de CO2 se denomina fotocatálisis artificial e involucra conjuntamente la separación de la molécula de H2O. En este trabajo se presentan algunos aspectos básicos de la fotosíntesis artificial llevada a cabo por medio de fotocatálisis y se analizan las propiedades principales que deben tener los catalizadores empleados. También, se resume
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17

Trčka, Martin, Jan Ondruch, Adam Thomitzek, and Štěpán Kavan. "Fire Safety of Buildings in the Protection Zone of the Electric Power Transmission System of the Czech Republic." Applied Mechanics and Materials 820 (January 2016): 385–90. http://dx.doi.org/10.4028/www.scientific.net/amm.820.385.

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The article presents possible procedure for determining parameters of a building representing a finite group of buildings of the same properties characterized in particular by their size and amount of combustible material (family house furnishings, manufacturing facilities, etc.) that are potentially threatened by overhead electric power transmission lines. Detailed statistical processing was used to find dimensions of these buildings such as length, width, and height and their distance from transmission line conductors, which the first step is preceding subsequent mathematical modeling of a r
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18

Takano, Yasunari, and Teruaki Akamatsu. "Analysis of chemical effects on reflected-shock flow fields in combustible gas." Journal of Fluid Mechanics 160 (November 1985): 29–45. http://dx.doi.org/10.1017/s0022112085003378.

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This paper analyses effects of chemical reactions on reflected-shock flow fields in shock tubes. The method of linearized characteristics is applied to analyse gasdynamic disturbances due to chemical reactions. The analysis treats cases where combustible gas is highly diluted in inert gas, and assumes that flows are one-dimensional and that upstream flows in front of the reflected-shock waves are in the frozen state. The perturbed gasdynamic properties in the reflected-shock flow fields are shown to be expressible mainly in terms of a heat-release function for combustion process. In particular
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19

Ribeill, Georges. "Gestion et organisation du travail dans les compagnies de chemins de fer, des origines a 1860." Annales. Histoire, Sciences Sociales 42, no. 5 (1987): 999–1029. http://dx.doi.org/10.3406/ahess.1987.283434.

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L'importance de l'avènement des chemins de fer dans l'économie française est bien connue : son rôle décisif pour promouvoir ou susciter de multiples innovations depuis les questions de mobilisation financière jusqu'à celles de la politique de l'Etat en matière de service public, depuis ses effets sur les industries amont (du rail au combustible) ou les marchés aval des productions agricoles et industrielles, jusqu'à des effets structurants de géographie humaine, ont été plus ou moins fouillés. En particulier, depuis longtemps, de nombreux travaux ont été consacrés aux débats et tournants succe
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20

Qiu, Jin Lian, Zhao Feng Chen, Jie Ming Zhou, et al. "Preparation and Properties of Ultrafine Glass Wool by Centrifugal Blowing." Applied Mechanics and Materials 148-149 (December 2011): 116–20. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.116.

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Due to extremely low thermal conductivity, high modulus, high toughness, light weight and non-combustible property, ultrafine glass wool can be widely used as glass fiber reinforcements in composites, thermal insulation materials, acoustic insulation materials, engineering materials, construction, infrastructure and environmental protection projects and so on. In particular, as a insulation material, glass wool exhibits unique advantages. The predominant process of glass wool is centrifugal blowing process. This paper describes a study of the relationship between the diameter of ultrafine glas
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21

Pastuhov, P., V. Petrovskii, O. Lavrenyuk, and B. Mykhalitchko. "EFFICIENT FLAME RETARDANTS FOR EPOXY RESINS: SYNTHESIS, STRUCTURE, PROPERTIES." Fire Safety 36 (July 23, 2020): 101–7. http://dx.doi.org/10.32447/20786662.36.2020.11.

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Introduction. In modern conditions, the combustibility of polymers plays a dominant role in the process of the appearance and spread of fires. This is because the extremely wide use of polymeric materials in all areas of the national economy. Due to the organic structure, the high content of carbon and hydrogen that make up the macromolecules of the polymers, they are extremely combustible. Combustion of polymers is accompanied by high temperature and flame propagation rate, as well as significant smoke generation and the release of a large number of toxic combustion products. Therefore, the s
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22

Pastuhov, P., O. Lavrenyuk, B. Mykhalitchko, and V. Petrovskii. "FEATURES OF THE COPPER(II) CARBONATE INFLUENCE ON AN INFLAMMABILITY OF EPOXY-AMINE COMPOSITES." Fire Safety, no. 33 (December 31, 2018): 73–78. http://dx.doi.org/10.32447/20786662.33.2018.10.

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Introduction. Inflammation susceptibility and the nature of combustion are one of the most important characteristics for the parametrization of the fire hazard of polymer materials. Because ignition is the occurrence process of the persistent flame near the surface of the material, which is preceded by the process of propagation of the flame front on its surface, the predisposition to ignition of the polymer materials plays an important role in the aspect of initiation of fires. A comparative evaluation of inflammation susceptibility of substances of different nature was carried out basing the
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23

Vinen, Richard. "The French Coal Industry During The Occupation." Historical Journal 33, no. 1 (1990): 105–30. http://dx.doi.org/10.1017/s0018246x00013121.

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The most important elements of Vichy industrial organization were the comités d'organisation (CO). The procedure for the establishment of these bodies was laid down by decree on 16 August 1940. In practice the functions assumed by them varied considerably. But broadly a CO was to oversee one particular industry and to liaise between that industry and the authorities (both German and French). One of the first of these bodies to be established (on 9 November 1940) was the comité d'organisation de l'industrie des combustibles minéraux solides (COH).
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24

Wang, Ning, Qin Liang Tan, Da Long Jiang, Ying Zhao, Xiao Ying Hu, and Chang Qing Dong. "Modeling of Gas Flow in a Biomass-Fired Grate Boiler with Inner Dust Removal Device." Advanced Materials Research 347-353 (October 2011): 2480–83. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.2480.

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A mathematical model is developed for the gas flow in a biomass-fired grate boiler with inner dust removal device, with the purpose to optimize the combustion condition. The distribution of gas flow is determined by the air flow ratio and the optimization is realized by the particular simulation. The optimal air flow is obtained by the analysis of various air flow ratios, via the comparison of flow characteristics and turbulence kinetic energy. The results of the numerical simulation show that the optimum air flow can help the sufficient the mixing and burnout of combustible in the furnace. It
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25

Aslaksen, Erik W. "Mathematical Model of a Flash Drying Process." Journal of Industrial Mathematics 2014 (February 24, 2014): 1–16. http://dx.doi.org/10.1155/2014/460857.

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The paper presents a basic model of the flash drying process, as it is applied in a number of industrial applications, and illustrates this by means of a particular application: the drying of subbituminous coal. Besides its economic importance, that application is representative of those where the product is combustible, so that the drying needs to be conducted in an inert atmosphere, which is achieved by recycling some of the drying gas. A novel feature of the model is that it takes explicit account of the transport of heat and moisture within the coal particles. The model provides the basis
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26

Yakovchuk, R., A. Kuzyk, O. Yemelyanenko, T. Skorobagatko, and O. Dobrostan. "ANALYSIS OF FIRE-FIGHTING MEASURES IN CONSTRUCTION OF EXTERIOR WALLS FIT WITH FAÇADE HEAT INSULATION AND FINISHED WITH PLASTER." Scientific bulletin: Сivil protection and fire safety 1, no. 2 (2020): 67–73. http://dx.doi.org/10.33269/nvcz.2019.2.67-73.

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The purpose of the work is to analyze fire prevention measures in structures of external walls with facade thermal insulation and plastering, as well as to analyze the features of their arrangement, taking into account the experience of neighboring countries. The application of exterior wall designs with facade thermal insulation with plaster finish, as well as problems related to their fire hazard, are substantiated. The works are analyzed to investigate the problems of fire safety of exterior wall structures with facade thermal insulation and plastering, as well as hinged facade systems. The
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27

Rusinová, Marie, Miloš Kalousek, and Miloš Lavický. "Behaviour of timber beam structures with suspended ceiling when exposed to fire." International Review of Applied Sciences and Engineering 10, no. 1 (2019): 71–77. http://dx.doi.org/10.1556/1848.2019.0011.

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Wooden structures are the oldest building elements accompanying man since time immemorial. The Czech Republic is strict in its legal and normative regulations relating to the use of wooden building components. In spite of that the Czech construction market is increasingly returning to wooden houses; not only for dwelling purposes, but also for public amenities. However, the structures made of wood as combustible material have to be carefully assessed especially from the viewpoint of fire safety of the building. This paper deals with the fire safety of wooden structures with special regard to t
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28

Sotomayor-Castellanos, Javier Ramón. "Comportamiento de cinco maderas mexicanas expuestas al fuego. Evaluación por ultrasonido. //Behavior of five Mexican woods exposed to fire. Evaluation by ultrasound." CIENCIA UNEMI 11, no. 27 (2018): 111–20. http://dx.doi.org/10.29076/issn.2528-7737vol11iss27.2018pp111-120p.

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La madera es un material combustible. De tal forma que la industria fabricante de productos de madera requiere de información experimental sobre la resistencia al fuego de las diferentes especies empleadas en ingeniería. El objetivo de la investigación fue determinar y comparar la densidad aparente, la velocidad de onda y el módulo dinámico de cinco maderas mexicanas, antes y después de ser sometidas al fuego. La metodología consistió en estudiar cinco especies mexicanas: Tabebuia rosea, Andira inermis, Juglans pyriformis, Quercus spp y Cordia elaeagnoides. Para cada especie se prepararon 35 p
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29

Malalasekera, W. M. G., and F. Lockwood. "Computer Simulation of the King's Cross Fire: Effect of Radiative Heat Transfer on Fire Spread." Proceedings of the Institution of Mechanical Engineers, Part C: Mechanical Engineering Science 205, no. 3 (1991): 201–8. http://dx.doi.org/10.1243/pime_proc_1991_205_110_02.

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A mathematical model has been applied to simulate model experiments of the 1987 King's Cross underground fire by the Department of Health and Safety Executive. The predicted growth of the fire is compared with the experimental data and in particular the predicted and measured times to ‘flashover’ are compared. The comparisons show exceptional agreement which, in part, may be fortuitous due to the need to facilitate the prediction of the early stages of the growth with the aid of an experimentally estimated fire strength. The good agreement nonetheless is also due to the full description of the
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30

Smith, Garry. "Tangled web: investigating Canadian lottery scandals." Journal of Gambling Issues, no. 28 (December 1, 2013): 1. http://dx.doi.org/10.4309/jgi.2013.28.7.

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This commentary examines the major lottery scandals in Ontario and British Columbia that broke in 2006, with particular emphasis on the precipitating conditions, sustaining factors, consequences, lessons learned, and resolutions. The aim of this article is to identify fundamental causes and common threads so that future lottery scandals might be averted. The scandals discussed here resulted from a combustible mix of easy-to-circumvent rules, profit-seeking agendas, and light-touch self-regulation. Although tighter controls were imposed on the two provincial lottery corporations after the scand
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31

Zhukov, Alexey D., I. I. Popov, Igor V. Bessonov, and S. P. Chernukhin. "Filled Heat Efficient Ceramics." Key Engineering Materials 887 (May 2021): 493–98. http://dx.doi.org/10.4028/www.scientific.net/kem.887.493.

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The increase of thermo-physical properties of masonry made of ceramic burnt products is possible through the use of heat-efficient ceramics and, in particular, porous building tiles. The use of combustible additives or foaming technology is related to increased energy costs and difficulties in obtaining products with uniformly distributed porosity.The analysis of the state of the technology of ceramic materials made it possible to formulate a research hypothesis according to which the use of a porous non-combustible additive in the composition of ceramic masses, on the one hand, will make it p
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32

Bartenstein, Kristin. "Planter des drapeaux." Études internationales 39, no. 4 (2009): 537–61. http://dx.doi.org/10.7202/029597ar.

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Résumé Le drapeau planté sur le pôle Nord par les Russes à l’été 2007 a ravivé le débat sur l’Arctique, en particulier sur la question de savoir quelles revendications les différents États riverains peuvent faire valoir sur son fond marin soupçonné de regorger de combustibles fossiles. L’objectif de notre contribution est de discuter du cadre juridique applicable à la « répartition » du plateau continental en Arctique et des difficultés particulières liées à la situation géographique. En raison de l’espace restreint, les États riverains doivent y relever non seulement le défi de fixer la limit
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33

Venegas Venegas, José Apolonio, Anastacio Espejel García, Alberto Pérez Fernández, José Alfredo Castellanos Suárez, and Gaudencio Sedano Castro. "Potencial de energía eléctrica y factibilidad financiera para biodigestor-motogenerador en granjas porcinas de Puebla." Revista Mexicana de Ciencias Agrícolas 8, no. 3 (2017): 735. http://dx.doi.org/10.29312/remexca.v8i3.47.

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 La creciente demanda de energía a nivel mundial a base de combustibles de origen fósil ha ocasionado severos daños al medio ambiente, la energía renovable, en particular el biogás es una opción para contrarrestar el problema, además se puede generar electricidad por medio de un motogenerador y reducir costos de producción de granjas porcinas. Se estimó el potencial de energía eléctrica en 19 municipios de Puebla en granjas de más de 500 cerdos, dichas granjas podrían generar 17 875 MW de energía eléctrica al año, también se realizó un análisis financiero
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34

Amezquita Pardo, Luis. "Diseño de un sistema de energía hibrido (solar-eólico) para el soporte de las telecomunicaciones en el cerro girasoles del Ejército Nacional de Colombia." Germina 1, no. 1 (2019): 82–85. http://dx.doi.org/10.52948/germina.v1i1.83.

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En el siguiente documento se encuentra el estudio realizado al sistema de energía convencional instalado actualmente en el cerro Girasoles, el cual ha visto afectada su operación en varias ocasiones de manera crítica por la falta del suministro de combustible, impactando de manera negativa la prestación de los servicios de telecomunicaciones militares en este sitio. Por tal razón, se propone el diseño de un sistema complementario de energía hibrido solar-eólico que permita garantizar la operación de los equipos de telecomunicaciones 7x24. El objetivo es mostrar el esquema funcional del sistema
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35

Ribeiro, M. C. S., J. A. Rodrigues, António J. M. Ferreira, and António Torres Marques. "Fire Behaviour Enhancement of Epoxy Polymer Mortars Modified with Flame Retardant Systems." Materials Science Forum 587-588 (June 2008): 903–7. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.903.

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In the present study, fire reaction improvement of an epoxy polymer mortar (PM) formulation, induced by polymer modification with three different flame retardant (FR) systems, was analyzed and quantified. For this purpose, several epoxy PM formulations, modified with different contents and/or types of phosphate, metal hydroxide and brominated based FR systems, were manufactured and tested for both, fire reaction and flexural strength. The results were compared with those of plain epoxy PMs. Fire reaction of PM formulations was assessed by means of the Oxygen Consumption Calorimeter test, also
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36

Bourque, Denis. "L'énergie nucléaire : la nécessité de nouvelles approches." Les Cahiers de droit 33, no. 3 (2005): 885–906. http://dx.doi.org/10.7202/043165ar.

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Par l'exercice du pouvoir déclaratoire, le Parlement fédéral a acquis une compétence législative sur l'ensemble du cycle du combustible nucléaire. Ce sont donc les lois adoptées par le Parlement fédéral qui s'appliquent aux centrales nucléaires. La nouvelle Loi canadienne sur l'évaluation environnementale sanctionnée le 23 juin 1992 (non encore en vigueur) vient préciser la nature, le but et la portée des audiences publiques tenues dans le cadre de la construction d'une centrale nucléaire. Les réflexions de l'auteur sur le rôle de l'audience publique dans le contexte canadien le conduisent à f
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Lester, Joelle M., and Stacey Younger Gagosian. "Finished with Menthol: An Evidence-Based Policy Option That Will Save Lives." Journal of Law, Medicine & Ethics 45, S1 (2017): 41–44. http://dx.doi.org/10.1177/1073110517703322.

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Smoking remains the leading cause of preventable disease and death in the United States, killing approximately 480,000 people each year. This crushing health burden falls disproportionately, and recent CDC data shows that large disparities in adult cigarette smoking remain. One factor in these disparities is the use of flavors. Menthol cigarettes and other flavored tobacco products are used at higher rates by vulnerable populations including youth and young adults, African Americans, women, Hispanics and Asian Americans. This is no accident; the tobacco industry has long targeted these same gr
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38

Rigo Portocarrero, Izabel, Daniel Amin Ferraz, and Liziane Paixão Silva Oliveira. "LOS BIOCARBURANTES SOSTENIBLES: UN ANÁLISIS DEL MARCO REGULATORIO DE LA UNIÓN EUROPEA." Veredas do Direito: Direito Ambiental e Desenvolvimento Sustentável 16, no. 36 (2019): 67–89. http://dx.doi.org/10.18623/rvd.v16i36.1614.

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Los recursos naturales son finitos, y la intensidad de la contaminación es-tablecida en la sociedad moderna es insostenible. No se debe seguir so-brecargando la biosfera sin antes considerar sus límites y replantear los patrones de consumo y utilización de los recursos naturales. Con base en tal escenario, se fijaron metas muy ambiciosas relativas al desarrollo de combustibles alternativos. En particular, en la Unión Europea (UE), se es-tableció un importante objetivo de sustitución de un 10% de combustibles fósiles por fuentes renovables en el sector de los transportes para 2020. Sin embargo,
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39

Koznacheev, I. A., and K. V. Dobrego. "One-Dimensional Simulation of the In-Situ Oil Combustion with Consideration to Fluid and Solid Combustible Components." ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations 62, no. 1 (2019): 47–60. http://dx.doi.org/10.21122/1029-7448-2019-62-1-47-60.

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The one-dimensional axisymmetric problem of initiation of a combustion wave in an oil-saturated reservoir is solved numerically. Two combustible components, viz. liquid (oil) and solid (kerogen, oil sorbate) were considered. The influence of the abovementioned components on time of the hot site ignition and combustion front speed was simulated and analyzed. It was demonstrated that growth of the mass fraction of liquid component (the total heat content being preserved) results in retard of formation of the hot site near the well and in reduction of the maximum temperature of the combustion wav
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40

Guardiola García, Carlos, Vicente Dolz Ruiz, Benjamín Pla Moreno, and Alberto Reig Bernad. "Análisis del funcionamiento del motor y de la eficiencia de conducción mediante el uso de sistemas GPS y OBD." Modelling in Science Education and Learning 9, no. 1 (2016): 139. http://dx.doi.org/10.4995/msel.2016.4594.

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<p class="Abstract">El uso generalizado de los teléfonos inteligentes y la disponibilidad de sensores de diagnóstico de abordo (OBD) permite su uso como herramientas para mejorar la forma en que los estudiantes de ingeniería aprenden como los Motores de Combustión Interna Alternativos operan en condiciones de conducción reales. En particular, la metodología de aprendizaje presentada en este artículo se basa en proporcionar a los estudiantes un sensor OBD de bajo coste que en combinación con sus propios teléfonos inteligentes les permite registrar las variables del motor y del vehículo du
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Ghodrat, Maryam, Farshad Shakeriaski, David James Nelson, and Albert Simeoni. "Experimental and Numerical Analysis of Formation and Flame Precession of Fire Whirls: A Review." Fire 4, no. 3 (2021): 43. http://dx.doi.org/10.3390/fire4030043.

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Fire whirls are a particular case of flame behaviour characterized by a rotating column of fire driven by intense convective heating of air close to the ground. They typically result in a substantial increase in burning rate, temperature, and flame height. Fire whirls can occur in any intense flame environment, including urban areas, particularly within combustible structures, and in wildland or forest fires. Recently, investigations on the creation of fire whirls have attracted much attention. However, most analyses are focused on fire whirl structure, formation, and controlling their unique
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Daroń, Marta, and Marlena Wilk. "Management of Energy Sources and the Development Potential in the Energy Production Sector—A Comparison of EU Countries." Energies 14, no. 3 (2021): 685. http://dx.doi.org/10.3390/en14030685.

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Appropriate management of energy sources is one of the basic undertakings in the energy sector. Climate policy changes and the development of technologies enabling the acquisition of energy in a way to reduce the negative impact on the natural environment lead to diversity in the structure of the energy sources being used. Therefore, it is important to assess the impact of these changes on the development of energy sectors by particular countries. The article contains the analysis of various energy sources utilization by European Union (EU) countries and the assessment of the energy production
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43

Orellano, Santiago, Néstor Hugo Rodríguez, and Nicolás José Scenna. "Metodología Algorítmica para el Diseño Inherentemente Seguro de Planta." Revista Tecnología y Ciencia, no. 38 (August 1, 2020): 1–17. http://dx.doi.org/10.33414/rtyc.38.1-17.2020.

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Los principios del diseño inherentemente seguro imponen la consideración del riesgo desde etapas tempranas del diseño. La consideración del mismo generalmente es realizada en las últimas etapas, independientemente de la optimización de layout, aun cuando existe una estrecha relación entre ambas. En este trabajo se aborda dicha problemática, proponiéndose modelos de programación mixta entera lineal (MILP) con el objetivo de optimizar la distribución del layout general de planta y una posible estrategia para vincular la síntesis de la playa de almacenamiento de sustancias combustibles.
 Se
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44

Robles Guerrero, Franco Gerardo. "Impactos sobre la biodiversidad de los parques eólicos en la parte noreste de México." Política, Globalidad y Ciudadanía 3, no. 6 (2019): 41–49. http://dx.doi.org/10.29105/pgc3.6-3.

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El presente artículo es producto de una revisión bibliográfica, cuyo objetivo consistió en analizar cómo la parte noreste de México, desde la reforma energética de 2013, ha tenido un aumento de la producción de energía renovable, destacando la energía eólica, esto debido a las condiciones orográficas. que generan condiciones climáticas amigables. Se aplicó el método de análisis, con un enfoque de calidad, diseño no experimental, bajo un nivel transversal documental-bibliográfico. Después de la revisión documental, se descubrió que, aunque la energía eólica alivia la dependencia de los combusti
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45

Agudelo Restrepo, Cristian Manuel, Oscar Daniel Díaz Castillo, and Yimy Edisson García Vera. "Evaluación de un prototipo de seguimiento solar fotovoltaico en regiones tropicales." Redes de Ingeniería 7, no. 1 (2016): 87. http://dx.doi.org/10.14483/udistrital.jour.redes.2016.1.a10.

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El cambio climático es actualmente una gran preocupación para la sociedad humana, en particular debido a nuestra alta dependencia a los combustibles fósiles. Una cantidad considerable de esfuerzo investigativo se centra en los sistemas solares fotovoltaicos (PV). En dichos sistemas, la eficiencia en la conversión de energía es un tema de investigación activa y múltiples enfoques se están desarrollando para resolver este problema. Uno de estos enfoques son los sistemas de seguimiento solar, donde los paneles se mueven con respecto al sol con el fin de captar la máxima radiación solar directa. E
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46

Beach, Charles. "Frontera Combustible: Conceptualising the State Through the Experiences of Petrol Smugglers in the Colombian/Venezuelan Borderlands of Norte de Santander/Táchira." Journal of Extreme Anthropology 2, no. 2 (2018): 42–60. http://dx.doi.org/10.5617/jea.6257.

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This paper is based on an ongoing ethnographic research project conducted in the borderlands between Colombia and Venezuela, in particular the Colombian city of Cúcuta. There is a thriving smuggling trade between the two countries caused by Venezuela’s economic crisis and the extreme devaluation of goods. The area has become one of Colombia’s ‘hottest’ regions due to the proliferation of armed gangs that make money by smuggling of contraband, especially petrol. The article aims to describe how petrol vendors, transporters and smugglers conceptualise the state and how they negotiate and interac
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47

Rao, Poonam, Jiangtao Liu, and Matthew L. Springer. "JUUL and Combusted Cigarettes Comparably Impair Endothelial Function." Tobacco Regulatory Science 6, no. 1 (2020): 30–37. http://dx.doi.org/10.18001/trs.6.1.4.

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Objectives: JUUL and earlier generation electronic cigarettes (e-cigs) are promoted as being less hazardous than cigarettes. JUUL Labs, in particular, claims that switching from smoking to vaping has beneficial impacts; however, the health effects of such products are not well understood. We investigated whether exposure to JUUL and previous generation e-cig aerosol impairs endothelial function comparably to cigarette smoke. Methods: We exposed rats to aerosol from Virginia Tobacco flavor JUUL, an e-cig tank system using unflavored free-base nicotine e-liquid, Marlboro Red combustible tobacco
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Junker, D. "Nuklearmedizin – Personalbelastung und Aktivitätsabgaben." Nuklearmedizin 30, no. 04 (1991): 141–48. http://dx.doi.org/10.1055/s-0038-1629566.

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The Nuclear Medicine Division and 30 other groups at the University of Hannover School of Medicine are taken as examples to describe the diagnostic, therapeutic and research uses of radioactivity and the effectiveness of the associated radiation protection. The evolution of radiation exposures of 520 employees followed over the last six years and the methods used for the disposal of radioactive waste are explained. The adaptation of protective measures to individual and, in particular, specific working conditions has led to approximately 90% of all exposures remaining under the detection limit
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Günther, Eva, Marc Fricke, Wibke Lölsberg, Arne Klinkebiel, and Dirk Weinrich. "New Aerogel Products for Construction Use: Product Specifications, Application Examples, Practical Aspects." E3S Web of Conferences 172 (2020): 21005. http://dx.doi.org/10.1051/e3sconf/202017221005.

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Two new high-performance insulation materials (HPIM) for the usage in buildings are presented. We show how to use and apply the upcoming aerogel products and give examples for structural details. While both materials achieve very low lambda values due to Knudsen-Effect of aerogels, they differ clearly in other key characteristics. SLENTEX® is a slim, mechanically flexible, non-combustible aerogel mat. It is open for water vapor diffusion but water-repellent. It is suitable for applications with strict fire regulations since it is a purely mineral-based product. SLENTITE® is a homogeneous polyu
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Campagne, Armel, and Rami Zahrawi Haj-Younes. "Las colonias francesas dentro de la ecología-mundo (1830-1962): el caso de los combustibles fósiles, los bosques y las plantaciones tropicales en Argelia y Vietnam." Relaciones Internacionales, no. 46 (February 28, 2021): 63–80. http://dx.doi.org/10.15366/relacionesinternacionales2021.46.004.

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Los imperios coloniales jugaron un papel importante en la historia del Capitaloceno a través de la apropiación y explotación de los recursos naturales baratos, de la mano de obra y las energías baratas del mundo extraeuropeo, pero también por su producción de las naturalezas capitalizadas dentro de él, y, más ampliamente su coproducción de un mundo ecológico caracterizado por intercambios económicos y ecológicos desiguales a escala global. Basado en una problemática resultante del trabajo de Jason Moore, una reinterpretación de la historiografía existente y un trabajo de archivo, este artículo
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