Relevant bibliographies by topics / Ammonia compound

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ammonia compound'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Ammonia compound"

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Black, DS, N. Chaichit, BM Gatehouse, and GI Moss. "Unusual Formation of New Indole-Containing Heterocyclic Ring Systems." Australian Journal of Chemistry 40, no. 12 (1987): 1965. http://dx.doi.org/10.1071/ch9871965.

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The oxazinoindoletrione (3) underwent reaction with aqueous ammonia in methanol or ethanol to yield the polycyclic methyl or ethyl esters (4) and (5) respectively. Reaction of trione (3) with gaseous ammonia in dry ethanol gave the aminobenzodiazepinone (7). This compound lost ammonia on heating in toluene to give compound (11) and in the presence of methanol or ethanol gave the methyl or ethyl esters (9) and (10) respectively. The structures of compounds (4), (7) and (10) were all established by X-ray crystallography.
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Suchentrunk, Christof, and Nikolaus Korber. "Reduktion von Isochinolin und Indol mit Cäsium in flüssigem Ammoniak / Reduction of Isoquinoline and Indole with Cesium in Liquid Ammonia." Zeitschrift für Naturforschung B 58, no. 10 (2003): 990–96. http://dx.doi.org/10.1515/znb-2003-1009.

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Isoquinoline and indole were reduced with solutions of cesium in liquid ammonia and the resulting crystalline compounds isolated as ammonia-rich solvate crystals. The reduction of isoquinoline yields the anion bisisoquinoline-2,2’-diide in the compound Cs2C18H14N2 · (7/2) NH3 as the result of a coupling reaction. Indole is reduced to the 5,8-dihydroindolide anion in the ammoniate CsC8H8N · 3NH3. Both anions display interactions between their aromatic π-systems and the cesium cations.
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Xin, L., and NF Curtis. "Compounds of (1,4,8,11-Tetraazacyclotetra-Decane)Copper(II) With 6-Carbamoyl and 13-Carbamoyl, -Methylcarbamoyl, -Ethylcarbamoyl and -Hydrazinocarbonyl Substituents." Australian Journal of Chemistry 45, no. 6 (1992): 1087. http://dx.doi.org/10.1071/ch9921087.

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The (dimethyl trans-1,4,8,1l-tetraazacyclotetradecane-6,13-dicarboxylate)copper(II) cation reacts with ammonia, methylamine or hydrazine to give the dicarbamoyl-, di(methylcarbamoyl)- or di(hydrazinocarbonyl)-substituted complex cations, respectively. The 6,6,13,13-tetra(methoxy- carbonyl)-substituted compound reacts with ammonia at O�C to form the tetracarbamoyl- substituted macrocycle compound [which can also be prepared by condensation of bis(ethane-1,2-diamine)copper(II), formaldehyde and malondiamide], and the dicarbamoyl dicarboxylic acid compound at higher temperatures. Reaction of the
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Yasuda, Tomoko, Miyoko Waki, Yasuyuki Fukumoto, Hiroaki Saito, and Hiroki Yokojima. "Odorous Compound Removal Performance and Water Properties of a Biotrickling Filter Installed in a Piggery." Applied Engineering in Agriculture 37, no. 4 (2021): 563–72. http://dx.doi.org/10.13031/aea.14443.

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Highlights We evaluated the performance of a two-stage biotrickling filter in a pig facility. A short empty bed residence time lowered the secondary filter removal efficiency for many odorous compounds. The removal efficiency of some compounds increased when the pH in the secondary water tank decreased. Low-odor-threshold compounds such as MT, n-BA, n-PA, and p-cresol were indicated as targets for optimization. Abstract . Odor is a major problem in pig production, and it is important to minimize odor emissions. To determine the factors influencing variations in odor removal efficiency, we anal
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Undalkar, Rushikesh. "Ammonia Removal from Wastewater of Different Sources and Recent Development in Ammonia Stripping." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 673–77. http://dx.doi.org/10.22214/ijraset.2022.45946.

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Abstract: Industrial wastewater contains organic impurities such as nitrogen compounds and many more. There is a limit to each compound in wastewater before discharging it into the ecosystem. It is maximum 2000-4000 g N/m3. It also depends upon different countries' environmental conservation laws. As nitrogen is harmful for aquatic life in low concentrations as well, it is needed to be treated before discharging and also before reuse in other applications. the removal of ammonia can be accomplished by steam stripping as well as by air stripping i.e. absorption and desorption. the conventional
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Béres, Kende Attila, István E. Sajó, György Lendvay, et al. "Solid-Phase “Self-Hydrolysis” of [Zn(NH3)4MoO4@2H2O] Involving Enclathrated Water—An Easy Route to a Layered Basic Ammonium Zinc Molybdate Coordination Polymer." Molecules 26, no. 13 (2021): 4022. http://dx.doi.org/10.3390/molecules26134022.

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An aerial humidity-induced solid-phase hydrolytic transformation of the [Zn(NH3)4]MoO4@2H2O (compound 1@2H2O) with the formation of [(NH4)xH(1−x)Zn(OH)(MoO4)]n (x = 0.92–0.94) coordination polymer (formally NH4Zn(OH)MoO4, compound 2) is described. Based on the isostructural relationship, the powder XRD indicates that the crystal lattice of compound 1@2H2O contains a hydrogen-bonded network of tetraamminezinc (2+) and molybdate (2−) ions, and there are cavities (O4N4(μ-H12) cube) occupied by the two water molecules, which stabilize the crystal structure. Several observations indicate that the w
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Shi, Jianchao, Lianxiang Wang, Yongrui Yang, and Tinglin Huang. "Effects of Seasonal Thermal Stratification on Ammonia Nitrogen Transformation in a Source Water Reservoir." Processes 9, no. 12 (2021): 2218. http://dx.doi.org/10.3390/pr9122218.

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Seasonal thermal stratification has a significant impact on water quality. In this paper, the variation of vertical distribution of ammonia nitrogen in a source water reservoir was studied, on the base of field monitoring data. The dominant factor of the variation in ammonia nitrogen is the anaerobic environment caused by the seasonal thermal stratification, which leads to the degradation of nitrogen-containing organic compounds in the sediments. To determine the rates of ammonia accumulation, an in situ experimental chamber was used. The results showed that, before the formation of thermal st
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Tran, Thanh Trung, Nathan J. Bott, Rebecca van Gelderen, Nam Trung Nguyen, Phuong Minh Thi Chu, and Ha Hoang Chu. "Comparative Genome Analysis of Two Heterotrophic Nitrifying Pseudomonas putida Strains Isolated from Freshwater Shrimp Ponds in Soc Trang Province." Fermentation 8, no. 7 (2022): 336. http://dx.doi.org/10.3390/fermentation8070336.

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Nitrogen compounds, especially ammonia, are widely produced in aquaculture systems during cultivation. Ammonia has been investigated as a model compound for use by heterotrophic nitrifying bacteria. Pseudomonas TT321 and Pseudomonas TT322, isolated from shrimp pond water in Soc Trang province, Vietnam, are identified by comparing them with 31 of the closest genomes sequences from the NCBI nucleotide database. The genome sizes of strains TT321 and TT322 were 5,566,241 bp and 5,563,644 bp, respectively. No plasmids were evident in these strains. Genome analysis revealed that TT321 and TT322 belo
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Racha, Hanumandlu, Balakishan Vadla, Kavitha Peddolla, and Sailu Betala. "Synthesis and Anticancer Activity of Novel Hetero Ring Fused Pyridine Amide Derivatives." Asian Journal of Chemistry 31, no. 11 (2019): 2485–91. http://dx.doi.org/10.14233/ajchem.2019.22150.

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A series of novel hetero ring fused pyridine amide derivatives were prepared starting from ethyl furo[2,3-b]pyridine-2-carboxylate (3) on reaction with ammonia to afford furo[2,3-b]pyridine-2-carboxamide (4), compound 4 on reaction with trifluoroacetic acid to give compound 5, which on reaction with bromoethyl acetate followed by hydrazine hydrate to give compound 7. Compound 7 when reacted with different substituted aromatic aldehydes to give Schiff base compounds (8a-l). Similarly, compound 6a when reacted with diverse substituted aliphatic amines to give amide derivatives (9a-h). All the sy
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Fattah, Tanzeela A., Aamer Saeed, Zaman Ashraf, et al. "4-Aminocoumarin based Aroylthioureas as Potential Jack Bean Urease Inhibitors; Synthesis, Enzyme Inhibitory Kinetics and Docking Studies." Medicinal Chemistry 16, no. 2 (2020): 229–43. http://dx.doi.org/10.2174/1573406415666190715164834.

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Background: Urease enzyme catalyzes the hydrolysis of urea into ammonia and CO2, excess ammonia causes global warming and crop reduction. Ureases are also responsible for certain human diseases such as stomach cancer, peptic ulceration, pyelonephritis, and kidney stones. New urease inhibitors are developed to get rid of such problems. Objective: This article describes the synthesis of a series of novel 1-aroyl-3-(2-oxo-2H-chromen-4- yl)thiourea derivatives (5a-j) as Jack bean urease inhibitors. Methods: Freshly prepared aryl isothiocyanates were reacted with 4-aminocoumarin in the same pot in
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Dissertations / Theses on the topic "Ammonia compound"

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John, Cathy Nisha. "Protein expression and antifungal effect of fluconazole-resistant Candida species following effective in vitro treatment with K21, a novel antifungal agent." University of Western Cape, 2019. http://hdl.handle.net/11394/7889.

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Philosophiae Doctor - PhD<br>Background: Oropharyngeal candidiasis, caused by the fungus Candida, is the most common opportunistic infection affecting the quality of life of immunocompromised patients. Fluconazole is widely used as the first line of treatment for fungal infections. However, the inappropriate and misguided use of the drug has led to the evolvement of fluconazole-resistant Candida organisms. This arising resistance resulted in the urgent need for the development of new antimicrobial drugs. The aim of the present study was to investigate the antifungal action of K21, a novel
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McDonald, Valerie Alexandra. "Evaluating Immunotoxicity of Quaternary Ammonium Compounds." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/79723.

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Alkyl dimethyl benzyl ammonium chloride (ADBAC) and didecyl dimethyl ammonium chloride (DDAC) are common quaternary ammonium compounds used as disinfectants in households, medical, and restaurant settings. They cause occupational skin and respiratory hazards in humans, and developmental and reproductive toxicity in mice. They also cause increased secretions of proinflammatory cytokines in cell lines and vaginal inflammation in porcine models; but have not been evaluated for developmental immunotoxicity. We assessed immunotoxicity in-vitro with J774A.1 murine macrophage cell line by analyzing c
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Lake, Steven Mitchell. "The cathodic generation of Zintl anions in amines : electrochemistry of bismuth polyanions in liquid ammonia /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Breuer, Paul 1968. "Gold leaching in thiosulfate solutions containing copper(II) and ammonia." Monash University, Dept. of Chemical Engineering, 2002. http://arrow.monash.edu.au/hdl/1959.1/7762.

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Atifi, Abdelghani el. "Application des composés d'insertion du graphite au stockage chimique de l'énergie thermique." Grenoble INPG, 1989. http://www.theses.fr/1989INPG0072.

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Etude de l'action de l'ammoniac sur les composes d'insertion graphite-chlorures metalliques. Suivie de la reaction in sistu en temps reel par diffraction des neutrons. Formation de microcristallites d'ammoniacates au sein du reseau cristallin du graphite. Avantage de cette texture par rapport a l'ammoniacate seul en vue de son application aux procedes de conversion thermochimique de l'energie. L'etude cinetique des reactions mises en jeu
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Sango, Tawanda. "Nitrogen-containing compounds from ammonia co-feed to the Fischer-Tropsch synthesis." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/11354.

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Includes abstract.<br>Includes bibliographical references.<br>The FT synthesis has been used predominantly for production of automotive fuels. This has made the financial benefit from the FT process heavily reliant on crude oil prices. Increasing the financial viability of the process has been achieved by improving production methods, production of alternative products such as waxes, lubricants, as well as valuable chemicals such as olefins and oxygenates. In an attempt to produce additional chemicals in the FT reaction, this work investigates the synthesis of nitrogen containing compounds via
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Saloua, Sadok Maitrise. "Determinations of the fluxes of nitrogen-containing compounds in the mussel, Mytilus edulis (L.)." Thesis, University of Hull, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321876.

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Jorgensen, Tony Charles. "Removal of ammonia from wastewater by ion exchange in the presence of organic compounds." Thesis, University of Canterbury. Chemical and Process Engineering, 2002. http://hdl.handle.net/10092/1124.

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The aim of the work described in this thesis was to study the removal of ammonium ions from water by ion exchange. The classical technique is to use biological nitrification and denitrification to convert ammonia into nitrogen gas. Removal by ion exchange offers a number of advantages, such as the ability to handle shock loadings and to polish water to a very high specification. The ion exchanger used in this project was clinoptilolite, a naturally occurring zeolite. Previous research has included characterisation of clinoptilolite, the effect of other common cations on uptake, biological reg
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Parr, J. A. "Antimicrobial properties of silicone quaternary ammonium compounds." Thesis, Bucks New University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375600.

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Helling, Richard K. "Oxidation kinetics of simple compounds in supercritical water : carbon monoxide, ammonia and ethanol." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/14882.

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Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1986.<br>MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE<br>Vita.<br>Includes bibliographies.<br>by Richard K. Helling.<br>Sc.D.
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Books on the topic "Ammonia compound"

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Jacobson, Gunilla B. Supercritical ammonia in synthesis, chromatography and extraction of ¹¹C-labelled compounds. Acta Universitatis Upsaliensis, 1996.

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Collins, Antony John. Analytical quality control quaternary ammonium compounds in pharmaceutical formulations. Portsmouth Polytechnic, School of Pharmacy and Biomedical Sciences, 1988.

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United States International Trade Commission. In the matter of certain ammonium octamolybdate isomers: Investigation no. 337-TA-477. U.S. International Trade Commission, 2004.

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Krohn, M. Dennis. Evaluation of near-infrared spectra for detecting ammonium minerals at Shoshone Geyser Basin, Yellowstone National Park, Wyoming: [microform]. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

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Krohn, M. Dennis. Evaluation of near-infrared spectra for detecting ammonium minerals at Shoshone Geyser Basin, Yellowstone National Park, Wyoming: [microform]. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

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Krohn, M. Dennis. Evaluation of near-infrared spectra for detecting ammonium minerals at Shoshone Geyser Basin, Yellowstone National Park, Wyoming: [microform]. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

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Krohn, M. Dennis. Evaluation of near-infrared spectra for detecting ammonium minerals at Shoshone Geyser Basin, Yellowstone National Park, Wyoming: [microform]. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

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Työterveyslaitos and Teknillinen Korkeakoulu. Faculty of Process Engineering and Material Science., eds. Occupational skin diseases from epoxy compounds: Epoxy resin compounds, epoxy acrylates, and 2,3-epoxypropyl trimethyl ammonium chloride. Institute of Occupational Health, 1991.

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Kenkyūjo, Mitsubishi Kagaku Anzen Kagaku. Heisei 20-nendo gyorui dokusei shiken chōsa (tansuiiki gyorui (medaka), kyūsei dokusei shiken oyobi shoki seikatsu dankai dokusei shiken) gyōmu hōkoku: Anmonia, himedaka, kyūsei dokusei shiken : LAS, himedaka, shoki seikatsu dankai dokusei shiken : Kankyōshō gyōmu kekka hōkokusho. Mitsubishi Kagaku Anzen Kagaku Kenkyūjo, 2009.

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A, Mezhov Ė. Ėkstrakt͡s︡ii͡a︡ aminami i chetvertichnymi ammonievymi osnovanii͡a︡mi: Spravochnik. Ėnergoatomizdat, 1999.

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Book chapters on the topic "Ammonia compound"

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Oenema, O., and G. L. Velthof. "Ammonia volatilization from compound nitrogen-sulfur fertilizers." In Optimization of Plant Nutrition. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-2496-8_53.

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Johnson, Benjamin. "The Mystery of Ammonia Synthesis." In Making Ammonia. Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-030-85532-1_4.

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Johnson, Benjamin. "Physical Chemistry: Uniting Two Branches of Science." In Making Ammonia. Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-030-85532-1_5.

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AbstractThe complexity of the chemistry that emerged out of the eighteenth century, especially chemical reactions containing organic compounds, quickly overwhelmed the ability of mechanical theories provided by physics to deal with a large number of bodies involved. These theories had worked well to describe the interactions of objects on our human scale as well as some celestial events, but failed to adequately clarify chemical phenomena. Despite the plausibility of speculation based on atomic principles, efforts to understand chemical processes on these grounds remained largely futile. At th
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Gooch, Jan W. "Quaternary Ammonium Compound." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9688.

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Gooch, Jan W. "Quaternary Ammonium Compound." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14628.

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Loontjens, J. A. "Quaternary Ammonium Compounds." In Biomaterials Associated Infection. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1031-7_15.

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Huang, Minchao, Jianjun Wu, Jian Li, and Yuqiang Cheng. "Dissociation Characteristics Simulation of Ammonia, a Propellant for Solar Thermal Propulsion." In Solar Thermal Thruster. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-7490-6_7.

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AbstractThe ideal working temperature of a solar thermal propulsion (STP) system is generally above 2200 K, and at this temperature, ammonia (NH3) can dissociate; therefore, it is not accurate to use a single ammonia propellant for the calculation and analysis of thruster performance, and the components of the mixture after ammonia dissociation should be considered. The mixture after ammonia dissociation is composed of atoms and molecules. Since the temperature usually does not exceed 3000 K (it is difficult for high-temperature resistant materials to achieve this temperature), the existence o
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Metters, Jonathan P., and Craig E. Banks. "Nitrogen Compounds: Ammonia, Amines and NOx." In Environmental Analysis by Electrochemical Sensors and Biosensors. Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-1301-5_16.

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Arp, D. J., N. G. Hommes, M. R. Hyman, et al. "Ammonia Monooxygenase from Nitrosomonas europaea." In Microbial Growth on C1 Compounds. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0213-8_22.

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Mertens, Florian, Gert Wolf, and Felix Baitalow. "Ammonia Borane and Related Compounds as Hydrogen Source Materials." In Handbook of Hydrogen Storage. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527629800.ch8.

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Conference papers on the topic "Ammonia compound"

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O’Malley, Cynthia L. "VOC Content: Regulating beyond What Can Be Measured?" In SSPC 2014 Greencoat. SSPC, 2014. https://doi.org/10.5006/s2014-00039.

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The US Environmental Protection Agency defines "Volatile Organic Compounds (VOC)" in 40 CFR 51.100(s) as “any compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate, which participates in atmospheric photochemical reactions.” VOC are precursors to the formation of ground level ozone and particulate matter in the atmosphere which are the main ingredients of the air pollutant referred to as smog.
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Thomas, Brian, and D. C. Agarwal. "Successful Replacement of Alloy 30, UNS N06030 with Alloy 31, UNS N08031 at a Phosphoric Acid Plant." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07216.

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Abstract In the fertilizer industry, phosphoric acid, ammonia and their derivatives along with potassium compounds are the major fertilizers providing the necessary soil nutrients for the agricultural industry. Ammonia, superphosphates, phosphoric acid and potassium chloride become the building blocks of the fertilizer industry and from these basic materials, hundreds of different formulations are produced to fit the individual soil and crop needs such as DAP (di-ammonium phosphate) and MAP (mono-ammonium phosphate) and others. More than 95% of the world's phosphoric acid production is by the
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Hamza, Ameer, and Samer S. Mulla. "Corrosion Challenges in Hydrocracker Unit: Comprehensive Review." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00546.

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Abstract Hydrocracking units are versatile units in the refinery application. Their common goals are producing low-sulfur refinery products and cracking larger gasoil feeds into higher-demand jet or diesel range hydrocarbons. This unit utilizes hydrogen and operates at high elevated temperatures and pressures to improve the quality of the different feedstock. Hydrogen sulfide (H2S) ammonium bisulfide (NH4HS) and ammonia (NH3) are produced from the reaction of hydrogen with sulfur and other nitrogen compounds present in the hydrocarbon feed. Several other reactions can also occur, including con
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Li, H., P. Constantineau, C. Zhuang, and Y. H. Hou. "Real Time Sour Water Corrosion Prediction for Fluid Catalytic Cracking Overhead System." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18785.

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Abstract Crude feed often contains contaminants such as sulfur and nitrogen compounds, which can react with hydrogen to form hydrogen sulfide (H2S) and ammonia (NH3) and can lead to formation of ammonium bisulfide salts (NH4HS) when cooled. Water washing ahead of NH4HS salt formation is a common practice to prevent wet salt corrosion. However, the dissolved ammonium bisulfide (in the aqueous phase) can still cause significant corrosion across equipment exposed to alkaline sour water. Such corrosion may be exacerbated by presence of cyanides, high levels of wall shear stress as well as high ope
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Shen, Dong, Kung-Po Chao, and Joseph E. Penkala. "A New Method to Mitigate Halite Deposit by Using Non-Water-Soluble Quaternary Ammonium Corrosion Inhibitor." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20867.

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Abstract Halite scale inhibition is one of the most challenging issues in the industry as oil and gas are produced in a high salinity brine environment. Although currently the best practice in the field for halite scale mitigation is to inject fresh water to dilute the halite scaling brines, it is not practical in locations where a nearby source of good quality fresh water is inadequate. Therefore, many studies have been conducted to investigate the chemistry and performance of halite scale inhibitors. The most common halite inhibitors, such as NTAA (nitrilotriacetamide) and potassium ferrocya
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Sweeny, P. G., and F. J. Himpler. "A Novel Nonoxidizing Biocide for Cooling Water Systems." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94450.

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Abstract Quaternary ammonium biocides are commonly used in cooling water systems to control organisms associated with microbiologically induced corrosion and microbial fouling. These compounds while being highly efficacious and low cost have, in general, high foaming tendencies which can limit their range of application. A new quaternary ammonium compound, decylisononyldimethylammonium chloride (DIDMAC), was developed to prevent foam problems while maintaining the advantages of standard quat treatments. Laboratory evaluations showed DIDMAC to produce significantly less foam than a standard alk
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Noland, James, David Comer, Parag Shah, and Nigel Hilton. "Work Life Balance – Revisiting the Relationship between Desalting Efficiency and Overhead Corrosion Control." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09514.

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Abstract It has been well documented that improved desalting efficiency reduces the risk of corrosion and vice versa. The work life balance of the refinery corrosion engineer is frequently challenged by concerns that the risk of overhead corrosion is increasing as refineries process more challenging crudes and run lengths increase. One component of this problem is the risk of ammonia and amine salt formation. As the concentration of ammonia and amines increase, the probability of salt formation increases. Computer modelling is employed to calculate this risk and to assure the selection of a ne
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Du, Min, and Bin Jiang Jing Zhang. "Study on Inhibition Behavior of Dissymmetric BIS-Quaternary Ammonium with Imidazoline Ring." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10150.

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Abstract Dissymmetric bis-quaternary ammonium with imidazoline ring was studied for inhibition behavior in 1.0 mol·L-1 hydrochloric acid solution at room temperature by mass loss, potentio-dynamic polarization, electrochemical impedance spectrum (EIS) and scanning electron microscopy (SEM). The result of mass loss indicated that the inhibition efficiency increased with the increase in inhibitor concentration and was over 98 % with the addition of 50 mg·L-1 inhibitor. Polarization data showed that the compound acted as a cathodic inhibitor for Q235 steel by changing the OCP to more negative val
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Li, Xiaoji, Sandeep Chawla, Jose Vera, William Durnie, and Richard Woollam. "Correlation between Critical Micelle Concentration and CO2 Corrosion Inhibition Efficiency of Quaternary Ammonium Compounds." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11476.

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Abstract Rotating cylinder electrode (RCE) methodology with electrochemical impedance spectroscopy (EIS) measurement was applied to study the inhibition behavior of quaternary ammonium compounds on CO2 corrosion of X65 carbon steel. The test program, consisting of 50 tests, investigated the inhibition performance of a homologous series of quaternary ammonium surfactants with different alkyl chain length (C12, C14, C16) at different salinities (0.1%, 1%, 10% wt. NaCl), and temperatures (30°C, 50°C, 70°C). Corrosion rate as a function of inhibitor dosage was determined for each test condition de
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Avilez, Leonardo A. C., Antonio E. Bresciani, Claudio A. O. Nascimento, and Rita M. B. Alves. "High-pressure Membrane Reactor for Ammonia Decomposition: Modeling, Simulation and Scale-up using a Python-Aspen Custom Modeler Interface." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.139572.

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One of the current challenges for hydrogen-related technologies is its storage and transportation. The low volumetric density and low boiling point require high-pressure and low-temperature conditions for effective transport and storage. A potential solution to these challenges involves storing hydrogen in chemical compounds that can be easily transported and stored, with hydrogen being released through decomposition processes. Ammonia stands out as a promising hydrogen carrier due to its high hydrogen content (17.8% by weight), relatively mild liquefaction conditions (~10 bar at 25�C), and th
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Reports on the topic "Ammonia compound"

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Kaj, Lennart, Petra Wallberg, and Eva Brorström-Lundén. Quaternary ammonium compounds. Nordic Council of Ministers, 2014. http://dx.doi.org/10.6027/tn2014-556.

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Sarkisian, Paul, Kaveh Khalili, Lance Kirol, James Langeliers, and Uwe Rockenfeller. Ammonia Storage as Complex Compounds for a Safe and Compact Hydrogen Storage. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada429096.

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Rangsunvigit, Pramoch. Silica surface modification by admicellar polymerization with a continuous stirred tank reactor for natural rubber property improvement. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.97.

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Mixed surfactants of cationic and nonionic surfactants, cetyltrimethyl ammonium bromide (CTAB) and Triton X-100, were employed in the admicellar polymerization to replace the use of pure CTAB. Effect of the molar ratio of CTAB to Triton X-100 and the adsorption structure of surfactants, monolayer and bilayer, were investigated on the admicellar polymerization compared with the polymerization using only CTAB in terms of the compatibility between rubber and silica. Results indicated that the silica modification by the nonionic surfactant was successfully used to modify rubber compound. The prope
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Koziel, Jacek, Yael Laor, Jeffrey Zimmerman, Robert Armon, Steven Hoff, and Uzi Ravid. Simultaneous Treatment of Odorants and Pathogens Emitted from Confined Animal Feeding Operations (CAFOs) by Advanced Oxidation Technologies. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7592646.bard.

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A feasibility study was conducted, aiming to explore the potential effectiveness of UV/TiO2/O3 photooxidation technologies for simultaneous treatment of odorant and pathogen emissions from livestock and poultry operations. Several key parameters were tested in laboratory (US) and semi-pilot (Israel) scale conditions including: the effects of light energy dose (treatment time and light intensity), relative humidity and air temperature, UV wavelength, presence of photocatalyst (TiO2) and the presence of ozone. Removal and conversion of odor, target gases (sulfur-containing volatile organic compo
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Chepeliev, Maksym. Development of the Air Pollution Database for the GTAP 10A Data Base. GTAP Research Memoranda, 2020. http://dx.doi.org/10.21642/gtap.rm33.

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The purpose of this note is to document data sources and steps used to develop the air pollution database for the GTAP Data Base Version 10A. Emissions for nine substances are reported in the database: black carbon (BC), carbon monoxide (CO), ammonia (NH3), non-methane volatile organic compounds (NMVOC), nitrogen oxides (NOx), organic carbon (OC), particulate matter 10 (PM10), particulate matter 2.5 (PM2.5) and sulfur dioxide (SO2). The dataset covers four reference years – 2004, 2007, 2011 and 2014. EDGAR Version 5.0 database is used as the main data source. To assist with emissions redistrib
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Dudareva, Natalia, Alexander Vainstein, Eran Pichersky, and David Weiss. Integrating biochemical and genomic approaches to elucidate C6-C2 volatile production: improvement of floral scent and fruit aroma. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7696514.bard.

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The specific objectives of approved proposal include to: 1. Elucidate the C6-C2 biochemical pathways leading to the biosynthesis of phenylacetaldehyde, phenylethyl alcohol and phenylethyl acetate in floral tissues of ornamentally important plants, pefunia and roses. 2. Isolate and characterrze genes responsible for the production of these C6-C2 compounds and those involved in the regulation of the pathway using genomic and transcriptomic tools. 3. Determine whether altering the expression of key genes of this pathway can result in changing the aroma characteristics of flowers. Aldehydes are in
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Tsybekmitova, G. Ts, L. D. Radnaeva, N. A. Tashlykova, et al. THE EFFECT OF CLIMATIC SHIFTS ON BIODIVERSITY OF PHYTOCENOSIS: LAKE ARAKHLEY (EASTERN SIBERIA, RUSSIA). DOICODE, 2020. http://dx.doi.org/10.18411/0973-7308-2020-35-3-77-90.

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Lake Arakhley is located within the Lake Baikal basin in Eastern Siberia, Russia. The area is characterized by continental subarctic climate with considerate diurnal temperature range, long cold dry winters and short hot summers with more precipitation occurring during the latter half of the summer. Climatic shifts in high water years and low water years result in morphometric changes in the lake and in the chemical and physical parameters of the ecosystem. During low water years, concentrations of ammonium nitrogen and nitrite nitrogen are decreased, whereas nitrate concentration increases. H
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Noga, Edward J., Angelo Colorni, Michael G. Levy, and Ramy Avtalion. Importance of Endobiotics in Defense against Protozoan Ectoparasites of Fish. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586463.bard.

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Infectious disease is one of the most serious causes of economic loss in all sectors of aquaculture. There is a critical need to understand the molecular basis for protection against infectious disease so that safer, more reliable and more cost-effective strategies can be designed for their control. As part of this effort, the major goal of our BARD project was to determine the importance of endobiotics as a defense against protozoan ectoparasites in fish. Endobiotics, or antimicrobial polypeptides, are peptides and small proteins that are increasingly recognized as having a vital role in the
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Hutchinson, M. L., J. E. L. Corry, and R. H. Madden. A review of the impact of food processing on antimicrobial-resistant bacteria in secondary processed meats and meat products. Food Standards Agency, 2020. http://dx.doi.org/10.46756/sci.fsa.bxn990.

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For meat and meat products, secondary processes are those that relate to the downstream of the primary chilling of carcasses. Secondary processes include maturation chilling, deboning, portioning, mincing and other operations such as thermal processing (cooking) that create fresh meat, meat preparations and ready-to-eat meat products. This review systematically identified and summarised information relating to antimicrobial resistance (AMR) during the manufacture of secondary processed meatand meat products (SPMMP). Systematic searching of eight literature databases was undertaken and the resu
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