Academic literature on the topic 'Ammonium nitrate particles'
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Journal articles on the topic "Ammonium nitrate particles"
Cheng, Chunlei, Zuzhao Huang, Chak K. Chan, Yangxi Chu, Mei Li, Tao Zhang, Yubo Ou, et al. "Characteristics and mixing state of amine-containing particles at a rural site in the Pearl River Delta, China." Atmospheric Chemistry and Physics 18, no. 12 (June 29, 2018): 9147–59. http://dx.doi.org/10.5194/acp-18-9147-2018.
Full textPeng, Weihan, Cavan McCaffery, Niina Kuittinen, Topi Rönkkö, David R. Cocker, and Georgios Karavalakis. "Secondary Organic and Inorganic Aerosol Formation from a GDI Vehicle under Different Driving Conditions." Atmosphere 13, no. 3 (March 8, 2022): 433. http://dx.doi.org/10.3390/atmos13030433.
Full textHauglustaine, D. A., Y. Balkanski, and M. Schulz. "A global model simulation of present and future nitrate aerosols and their direct radiative forcing of climate." Atmospheric Chemistry and Physics 14, no. 20 (October 21, 2014): 11031–63. http://dx.doi.org/10.5194/acp-14-11031-2014.
Full textMyhre, G., and A. Grini. "Modelling of nitrate particles: importance of sea salt." Atmospheric Chemistry and Physics Discussions 6, no. 1 (February 22, 2006): 1455–80. http://dx.doi.org/10.5194/acpd-6-1455-2006.
Full textHauglustaine, D. A., Y. Balkanski, and M. Schulz. "A global model simulation of present and future nitrate aerosols and their direct radiative forcing of climate." Atmospheric Chemistry and Physics Discussions 14, no. 5 (March 14, 2014): 6863–949. http://dx.doi.org/10.5194/acpd-14-6863-2014.
Full textSchneider, Johannes, Stephan Mertes, Dominik van Pinxteren, Hartmut Herrmann, and Stephan Borrmann. "Uptake of nitric acid, ammonia, and organics in orographic clouds: mass spectrometric analyses of droplet residual and interstitial aerosol particles." Atmospheric Chemistry and Physics 17, no. 2 (January 31, 2017): 1571–93. http://dx.doi.org/10.5194/acp-17-1571-2017.
Full textWu, Can, Cong Cao, Jianjun Li, Shaojun Lv, Jin Li, Xiaodi Liu, Si Zhang, et al. "Different physicochemical behaviors of nitrate and ammonium during transport: a case study on Mt. Hua, China." Atmospheric Chemistry and Physics 22, no. 23 (December 13, 2022): 15621–35. http://dx.doi.org/10.5194/acp-22-15621-2022.
Full textRichardson, C. B., and R. L. Hightower. "Evaporation of ammonium nitrate particles." Atmospheric Environment (1967) 21, no. 4 (January 1987): 971–75. http://dx.doi.org/10.1016/0004-6981(87)90092-8.
Full textXu, Xiao Juan, Xu Dong Sun, Ya Qiu Liang, and Wei Qiu. "Synthesis of Uniform Spherical Alumina Powders by Homogeneous Precipitation." Applied Mechanics and Materials 341-342 (July 2013): 100–104. http://dx.doi.org/10.4028/www.scientific.net/amm.341-342.100.
Full textHightower, R. L., and C. B. Richardson. "Evaporation of ammonium nitrate particles containing ammonium sulfate." Atmospheric Environment (1967) 22, no. 11 (January 1988): 2587–91. http://dx.doi.org/10.1016/0004-6981(88)90492-1.
Full textDissertations / Theses on the topic "Ammonium nitrate particles"
Boukhenane, Mohamed Lamine. "Développement de capteurs électroniques à base de matériaux nanocomposites conducteurs pour la mesure du nitrate d'ammonium particulaire." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Lille Douai, 2020. http://www.theses.fr/2020MTLD0017.
Full textAtmospheric pollution due to fine particles (PM2.5) is a major global health and environmental issue. Fine particles (PM2.5) exhibit high variability of their chemical composition which is dominated by ammonium salt (up to 40%), among them, ammonium nitrate. The latter is essentially formed by the combination, at room temperature (<20°C), of gaseous nitric acid with ammonia gas, which is mainly emitted by agricultural activities (over 80% of emissions in Europe). The determination of ammonium nitrate particles by the classical methods of atmospheric particles measurement is a high cost and heavy task. Moreover, atmospheric particles sensors that are currently available do not give any information on the chemical nature of the particles. Thus, the objective of this thesis is to develop new low-cost sensors able to measure specifically the concentration of ammonium nitrate particles. The measurement method is based on the thermal decomposition of ammonium nitrate particles into ammonia and nitric acid gas. The concentration of ammonia is measured using a sensitive layer based on conductive nanocomposite materials combining doped polyaniline and polyurethane matrix. Therefore, the concentration of the released ammonia is correlated to the mass concentration of ammonium nitrate particles. The sensors that are developed in this project showed a response to ammonia gas at concentrations as low as 20 ppb with a sensitivity of 0.35%.ppb-1, which corresponds to ammonia concentrations that are expected in ambient air and would allow the measurement of ammonium nitrate particles. The sensors also showed good repeatibility and reproductibility of their response to ammonia. The impact of temperature (23-50°C) and relative humidity (30%-90%) is also studied to assess the ability of the sensors to measure ammonia produced after the thermal decomposition of ammonium nitrate particles at temperatures and humidity that are favourable to their decomposition. Some sensitive materials showed a good response to ammonia gas even under these specific conditions. On the other hand, the sensors showed a response to gaseous nitric acid at 50°C (-4.85% at 195 ppb). Despite this interference, the sensors were able to measure ammonium nitrate particles at 50°C at concentrations in the order of 265 µg.m-3 with a sensitivitiy of 1.82.10-3%.µg-1.m3. These promising results demonstrate the ability of the sensors to measure ammonium nitrate particles through the proposed method. However, the interference of gaseous nitric acid could reduce the sensitivity of the sensors to these particles
Zhang, Jing. "Analyses of Atmospheric Pollutants in Atlanta and Hong Kong Using Observation-Based Methods." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4768.
Full textTaylor, Linda Lea. "Storage of Pine Tree Substrate Influences Plant Growth, Nitrification, and Substrate Properties." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/40342.
Full textPh. D.
Yeh, Jia-Jau, and 葉佳昭. "On the Study of the Formation and Evolution of the Ammonium Nitrate Particles in the Controlled Environment." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/47194743887228223875.
Full text國立中央大學
環境工程研究所
82
Suspended particles has been the principal pollutant worsening the air quality in Taiwan. The major constituents are carbon contents, metal materials, water-soluble ions, and solidusts. Among these materials, the water-soluble ions occupied a significant proportion about 25 ~ 50% in the fine particles. Nonetheless, there are few studies on the effects of the temperature,relative humidity (RH), and light intensity of the environment during the formation and evolution of these particles. This work is focused on the generation and progression of the ammonium nitrate particles. Nitrogen dioxide, nitrous acid, and ammonium gas were injected into a continuous stirred tank reactor (CSTR) with artificial sunlight, controllable temperature, and RH. The reactants were converted into aerosol particles through a gas-to-particle process upon light incidence. The influences of the environmental factors on aerosol formation were investigated in this study. Based on the results, it was found that a good linear relationship existed between NO2 photolysis rate constant and light intensity. High temperature was beneficial to promote the production rate of the ammonium nitrate particles, whereas low temperature delayed their formations. The modal diameter (190nm) of the aerosol size distribution at 35℃ was larger than that (160nm) at 25℃ . The environment with low RH was harmful to the formation of the ammonium nitrate particles, the aerosol production rate reached the lowest under low temperature and RH. The increase of RH on the number of fine particles was helpful, especially at high value (74% in the study) the modal daimeter of the aerosol size distribution approached around 170 ~ 180nm compared with 150 ~ 160nm at low RH(10% in this work). Under the heterogeneous condensation of the ammonium nitrate particles, the modal diameter of the size distribution was increased from 150nm to 180nm which was probably due to the hygroscopic growth of the aerosol particles.
Pimenta, João Manuel Rosa. "Micronização de partículas num jet mil." Master's thesis, 2013. http://hdl.handle.net/10316/38864.
Full textO objectivo deste trabalho consiste no estudo e análise do processo de micronização de partículas num jet mill. Este tipo de moinho permite a micronização de partículas micrométricas sem qualquer contaminação pelos materiais de moagem. O projecto deste tipo de equipamento foi efectuado com o recurso à modelação simples de movimento de partículas, no interior de um escoamento, aplicado à separação ciclónica. Os resultados numéricos provaram que estávamos em condições de poder optimizar o projecto e construir um equipamento demonstrativo. A sua construção implicou também a selecção de materiais e o estudo comparativo com outros equipamentos congéneres. A validação experimental foi efectuada utilizando materiais como o nitrato de amónio e o carbonato de cálcio, sendo analisada a granulometria do material antes e após o processo de micronização, através de imagens obtidas num microscópio. Na realização dos ensaios, variou-se o número de jactos do jet mill e o tempo de funcionamento do processo, por forma a estabelecer perfis de funcionamento mais favoráveis à micronização das partículas. A componente energética do processo foi também considerada na análise efectuada. Os resultados comprovaram a validade do projecto efectuado e da sua construção. Demonstraram também que este tipo de equipamento se adequa mais à desaglomeração de partículas do que à sua micronização, quando se trata de partículas de escala micrométrica.
The aim of this work is the study and analyze of the process of micronization of particles in a jet mill. This type of milling allows the micronization of particles without any contamination by grinding materials. The design of this type of equipment has been carried out with the use of simple modeling of motion of particles within a flow, applied to the cyclonic separation. Numerical results proved that we were in a position to optimize the design and build a demonstrator equipment. Its construction also involved the selection of materials and the comparative study with other existing equipment. The experimental validation was carried out using materials such as ammonium nitrate and calcium carbonate, and the particle size of the material before and after the micronization process was analyzed through images obtained in a microscope. In the tests ranged, the number of jets and jet mill operating time of the process were optimized in order to establish the most favorable operation profiles for micronization of the particles. The energy component of the process was also considered in the analysis. The results confirmed the validity of the design and its construction. Also it was demonstrated that this type of equipment is more adequate to the deagglomeration of the particles than to their micronization, if the original particles are yet in a micrometer scale.
Book chapters on the topic "Ammonium nitrate particles"
Yokoyama, Seiji, and Katsuyoshi Saito. "Synthesis of Ultrafine Particles of Iron and Iron Nitride by Evaporation of Iron in Gas Mixtures of Argon and Ammonia or Argon and Nitrogen." In Materials Science Forum, 1047–50. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-462-6.1047.
Full textAmrousse, Rachid, Abderrahim Najah Elidrissi, Ahmed Bachar, Assia Mabrouk, Kainaubek Toshtay, and Seitkhan Azat. "Nanosized Catalytic Particles for the Decomposition of Green Propellants as Substitute for Hydrazine." In Innovations and Applications of Hybrid Nanomaterials, 195–217. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3268-9.ch009.
Full textHildrew, Alan, and Paul Giller. "Running waters as ecosystems." In The Biology and Ecology of Streams and Rivers, 314–49. 2nd ed. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780198516101.003.0009.
Full textConference papers on the topic "Ammonium nitrate particles"
Bulgakov, Volodymyr, Ivan Holovach, Oleg Adamchuk, Adolfs Rucins, and Aivars Aboltins. "Research in mineral fertiliser particle throwing distance from new centrifugal fertilizer spreader working tool." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf110.
Full textKorotkikh, A. G., V. A. Arkhipov, I. V. Sorokin, and E. A. Selikhova. "THERMAL BEHAVIOR AND IGNITION OF HIGH-ENERGY MATERIALS CONTAINING B, ALB2, AND TIB2." In 8TH INTERNATIONAL SYMPOSIUM ON NONEQUILIBRIUM PROCESSES, PLASMA, COMBUSTION, AND ATMOSPHERIC PHENOMENA. TORUS PRESS, 2020. http://dx.doi.org/10.30826/nepcap2018-2-14.
Full textGarcia, E., L. Gan, R. Pilliar, and T. Coyle. "Calcium Phosphate Coatings Produced by Solution Precursor Plasma Spray." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p0493.
Full textMiedema, Jan, Arjen Klein, and Frans Zee. "Particle size distribution effect on burn rate of ammonium nitrate based propellant." In 31st Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-2714.
Full textLibersky, L. D. "Simulation of Void Collapse in Ammonium Nitrate Using a Meshfree Lagrangian Particle Method." In SHOCK COMPRESSION OF CONDENSED MATTER - 2003: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter. AIP, 2004. http://dx.doi.org/10.1063/1.1780256.
Full textEndres, Derek, and Sandip Mazumder. "Computational Study of Pulsed Metal-Organic Chemical Vapor Deposition of Aluminum Nitride." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65525.
Full textKorotkikh, A. G., V. A. Arkhipov, O. G. Glotov, I. V. Sorokin, and E. A. Selikhova. "IGNITION, COMBUSTION, AND AGGLOMERATION OF HIGH-ENERGY MATERIALS BASED ON ALUMINUM AND BORON." In 8TH INTERNATIONAL SYMPOSIUM ON NONEQUILIBRIUM PROCESSES, PLASMA, COMBUSTION, AND ATMOSPHERIC PHENOMENA. TORUS PRESS, 2020. http://dx.doi.org/10.30826/nepcap2018-2-02.
Full textEndres, Derek, and Sandip Mazumder. "Numerical Investigation of Pulsed Chemical Vapor Deposition of Aluminum Nitride to Reduce Particle Formation." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65925.
Full textYan, Zheng, Tong Ti, Jing Shi-wei, Li Huan-yu, Liu Xuan, Gao Ya-dong, and Nian Rui-xue. "A Movable Device of Explosives Detection." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66070.
Full textLiu, J., Z. Yang, L. Wang, S. Yan, J. Zhang, and F. Lin. "Preparation and Characterization of Nickel Clad h-BN Composite Powders for Abradable Sealing Coating." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p1120.
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