Relevant bibliographies by topics / Specific methane production

Contents

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

Academic literature on the topic 'Specific methane production'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Specific methane production"

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Deines, Peter, and Jonathan Grey. "Site-specific methane production and subsequent midge mediation within Esthwaite Water, UK." Archiv für Hydrobiologie 167, no. 1-4 (2006): 317–34. http://dx.doi.org/10.1127/0003-9136/2006/0167-0317.

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Bortolini, Joseane, Maria Hermínia Ferreira Tavares, Ana Claudia Guedes Silva, Dayane Taine Freitag, Leandro Fleck, and Osvaldo Kuczman. "Effect of different inoculations on biogas and methane production through anaerobia biodigeston using residues from the avícola sector." Ciência e Natura 42 (March 4, 2021): e52. http://dx.doi.org/10.5902/2179460x40563.

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The present study aimed to analyze the use of different digestates as inocula for the anaerobic digestion of poultry litter, evaluating the biogas and methane production. The inocula used were: bovine and porcine biofertilizer; with feeding loads of 0.67, 1.00 and 1.67 gVS L-1 day-1. Statistical analyses followed a split-plot design, where the main plot being inoculum and the feeding load as secondary. The experimental data were submitted to analysis of variance, at the level of 5% of significance. The following variable responses were considered: biogas production, specific biogas production
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Bortolini, Joseane, Ana Claudia Guedes Silva, Maria Hermínia Ferreira Tavares, Dayane Taine Freitag, Leandro Fleck, and Osvaldo Kuczman. "Effect of different inoculations on biogas and methane production through anaerobia biodigeston using residues from the avícola sector." Ciência e Natura 42 (June 29, 2020): e73. http://dx.doi.org/10.5902/2179460x40560.

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The present study aimed to analyze the use of different digestates as inocula for the anaerobic digestion of poultry litter, evaluating the biogas and methane production. The inocula used were: bovine and porcine biofertilizer; with feeding loads of 0.67, 1.00 and 1.67 gVS L-1 day-1. Statistical analyses followed a split-plot design, where the main plot being inoculum and the feeding load as secondary. The experimental data were submitted to analysis of variance, at the level of 5% of significance. The following variable responses were considered: biogas production, specific biogas production
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Mrůzek, Martin, and Bořivoj Groda. "Analysis of biogas production from grass silage, depending on its quality." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 59, no. 6 (2011): 239–46. http://dx.doi.org/10.11118/actaun201159060239.

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This article (work) gives information about production of methane from 11 samples of grass silage. Production was studied in two following levels: specific methane production per 1 kg of organic total solids, specific methane production per 1 kg of fresh material.These grass silage samples were at the same time analyzed from the point of view of feeding properties and quality: protein, digestible protein, fiber, acid-detergent fiber (ADF), neutral- detergent fiber (NDF), BNVL, lactic acid, acetic acid, butyric acid, starch values, metabolizable energy, total energy, net energy lactation, net e
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Bae, Ilho, Seokbo Park, Juhee Shin, Jin Mi Triolo, and Seung Gu Shin. "Country-Specific Modeling of Methane Production and Emission Reduction Utilizing Pig Manure." Energies 18, no. 1 (2024): 95. https://doi.org/10.3390/en18010095.

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The purpose of this study is to effectively support the operation of biogas plants that utilize anaerobic digestion of pig manure. An analysis was conducted on the characteristics of manure collected from 17 pig farms. Following this, the methane potential of the manure was evaluated, and a comparison of microbial communities was made at the end of the biochemical methane potential test. Based on these analyses, methane production during anaerobic digestion was modeled under various scenarios, allowing for the calculation of expected electricity generation and carbon dioxide reduction. The exp
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Haitl, Martina, Tomáš Vítěz, Tomáš Koutný, Radovan Kukla, Tomáš Lošák, and Ján Gaduš. "Use of G-phase for biogas production." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 60, no. 6 (2012): 89–96. http://dx.doi.org/10.11118/actaun201260060089.

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Biogas is very promising renewable energy resource. The number of biogas plants increase every year. Currently there is a demand for new ways of organic waste treatment from production of different commodities. One of the technologies which produce waste is biodiesel production. One of the wastes from the biodiesel production is G-phase which is mainly consisted from glycerol and methanol. The aim of work was to find the effect of G-phase addition, to fermented material, on biogas resp. methane production. Two lab-scale batch anaerobic fermentation tests (hydraulic retention time 14 and 22 day
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Seppälä, Mari, Teija Paavola, Annimari Lehtomäki, and Jukka Rintala. "Biogas production from boreal herbaceous grasses – Specific methane yield and methane yield per hectare." Bioresource Technology 100, no. 12 (2009): 2952–58. http://dx.doi.org/10.1016/j.biortech.2009.01.044.

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Zhang, Zhen, Shujian Tian, Jun Liu, Peng-Yan Guo, and Jie Shen. "Influence of Animal/Plant Activated Biochar Properties on Methane Production from Corn Stalk by Anaerobic Fermentation." Fermentation 8, no. 8 (2022): 397. http://dx.doi.org/10.3390/fermentation8080397.

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Activated biochar (ABC) was prepared from typical plant/animal biochar (pig bone biochar/corn stalk biochar) by optimizing the gas production characteristics of anaerobic fermentation. The effects of the physical and chemical properties (specific surface area, surface functional group and conductivity) of ABC on the gas production characteristics of anaerobic fermentation were investigated. The results showed that the effect of pig-bone activated biochar (PABC) on anaerobic fermentation gas production characteristics was better than that of corn-stalk activated biochar (CABC). The peak period
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Peled, Y., T. Gilat, E. Liberman, and Y. Bujanover. "The Development of Methane Production in Childhood and Adolescence." Journal of Pediatric Gastroenterology and Nutrition 4, no. 4 (1985): 575–79. http://dx.doi.org/10.1002/j.1536-4801.1985.tb08910.x.

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SummaryMethane concentration in the expired air was analyzed in 393 infants, children, and adolescents. There was no methane production below the age of 3 years. In the age group 3 4 years, 6.4% of the children produced methane. The percentages were 14.3 18.2% in children aged 7 14. A rise in methane production to 39.4 45.9% was recorded from age 14 to 18, as compared with 49.4% in adults in Israel. The reasons for these changes in methane production with age are not known. Alterations in the colonic flora or the production of a specific substrate(s) are the main possibilities. In our opinion,
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O'Kelly, JC, and WG Spiers. "Effect of monensin on methane and heat productions of steers fed lucerne hay either ad libitum or at the rate of 250 g/hour." Australian Journal of Agricultural Research 43, no. 8 (1992): 1789. http://dx.doi.org/10.1071/ar9921789.

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The effect of monensin supplement (33 mg/kg feed) on methane and heat productions was studied in Brahman steers offered lucerne hay in two feeding regimes: ad libitum (AL) or at the rate of 250 g/h (GPH). The monensin treated animals consumed 65 kg less feed than untreated animals in achieving a mean liveweight gain of.56 kg over 54 days of feeding AL. The 10.5% reduction in daily feed intake due to monensin was associated with a 25.6% reduction in methane production. At equalized feed intakes (adjustments made by covariance) approximately 55% of the reduction in methane caused by monensin was
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Dissertations / Theses on the topic "Specific methane production"

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Huang, Zhanzhao. "Enhanced biogas production by increasing organic load rate in mesophilic anaerobic digestion with sludge recirculation." Thesis, KTH, VA-teknik, Vatten, Avlopp och Avfall, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99354.

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For enhancing anaerobic sludge digestion and biogas recovery, an increase in organic load rate (OLR) from 1.0 to 3.0kgVS/(m3·day) was imposed upon a new anaerobic digestion process combined with a sludge recirculation. The new setup requires a traditional mesophilic anaerobic digester coupled with a centrifuge for maintaining relatively high solid content within the digester. The hypothesis of this study was that increasing continuously OLR from 1.0 to 3.0kgVS/(m3·day) in a pilot-scale anaerobic digester with recycled sludge would not badly influence the digester stability, based on which biog
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Books on the topic "Specific methane production"

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Kirchman, David L. Processes in anoxic environments. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0011.

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During organic material degradation in oxic environments, electrons from organic material, the electron donor, are transferred to oxygen, the electron acceptor, during aerobic respiration. Other compounds, such as nitrate, iron, sulfate, and carbon dioxide, take the place of oxygen during anaerobic respiration in anoxic environments. The order in which these compounds are used by bacteria and archaea (only a few eukaryotes are capable of anaerobic respiration) is set by thermodynamics. However, concentrations and chemical state also determine the relative importance of electron acceptors in or
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Gordon, Deborah. No Standard Oil. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190069476.001.0001.

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The next decade will be decisive in the fight against climate change. It will be impossible to hold the planet to a 1.5 degrees Celsius temperature rise without controlling methane and carbon dioxide emissions from the oil and gas sector. Contrary to popular belief, the world will not run out of these resources anytime soon. Instead, oil and gas are becoming more climate-intensive to supply using technologies like fracking oil and liquefying gas—even as these abundant resources continue to be used to fuel cars, heat homes, and produce consumer goods like shampoo, pajamas, and paint. Policymake
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Gujar, G., Y. Andi Trisyono, and Mao Chen, eds. Genetically Modified Crops in Asia Pacific. CSIRO Publishing, 2021. http://dx.doi.org/10.1071/9781486310913.

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Meeting future food needs without compromising environmental integrity is a central challenge for agriculture globally but especially for the Asia Pacific region – where 60% of the global population, including some of the world’s poorest, live on only 30% of the land mass. To guarantee the food security of this and other regions, growers worldwide are rapidly adopting genetically modified (GM) crops as the forerunner to protect against many biotic and abiotic stresses. Asia Pacific countries play an important role in this, with India, China and Pakistan appearing in the top 10 countries with a
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Book chapters on the topic "Specific methane production"

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Nguyen-Van-Hung, Nguyen Thi Ha-An, Grant Robert Singleton, and Melanie Connor. "Carbon Footprint Reduction from Closing Rice Yield Gaps." In Closing Rice Yield Gaps in Asia. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37947-5_5.

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AbstractRice production significantly contributes to greenhouse gas emissions (GHGE), especially methane (CH4) emissions at various cropping stages. A major source of methane emissions is the decomposition of fertilizers and organic residues in flooded fields during the irrigation cycle. CORIGAP technologies and practices are mainly associated with closing yield gaps by increasing productivity and profitability but have been co-designed to address climatic challenges and to minimize negative environmental impacts. Therefore, over the last decade, the CORIGAP interventions not only helped to re
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Gieg, Lisa. "How Specific Microbial Communities Benefit the Oil Industry: Anaerobic Microbial Processes and the Prospect for Methane Production from Oil." In Applied Microbiology and Molecular Biology in Oilfield Systems. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9252-6_22.

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Zaman, M., K. Kleineidam, L. Bakken, et al. "Isotopic Techniques to Measure N2O, N2 and Their Sources." In Measuring Emission of Agricultural Greenhouse Gases and Developing Mitigation Options using Nuclear and Related Techniques. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-55396-8_7.

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AbstractGHGemissions are usually the result of several simultaneous processes. Furthermore, some gases such as N2 are very difficult to quantify and require special techniques. Therefore, in this chapter, the focus is on stable isotopemethods. Both natural abundance techniques and enrichment techniques are used. Especially in the last decade, a number of methodological advances have been made. Thus, this chapter provides an overview and description of a number of current state-of-the-art techniques, especially techniques using the stable isotope15N. Basic principles and recent advances of the
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Rodríguez-Sulbarán, Pedro J., Claudio A. Lugo, Manuel A. Perez, et al. "Dry Reforming of Methane on LaSrNiAl Perovskite-Type Structures Synthesized by Solution Combustion." In Advanced Solid Catalysts for Renewable Energy Production. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3903-2.ch009.

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A comprehensive study of the effect of the combustion fuel (i.e., glycine and sucrose), ignition source (i.e., furnace and microwave radiation), and nickel content is carried out for the dry reforming of methane (DRM) using La0.6Sr0.4NiyAl1-yO3 (LaSrNiAl) (y = 0.1; 0.2 and 0.3) perovskite-type catalyst precursors synthesized by solution combustion synthesis (SCS). The composition of the catalyst precursor and the combustion fuel rather than the ignition source affected markedly the crystalline phase composition, crystallite size, morphology, specific surface, and reducibility. Those changes ar
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Hooton, Brian. "The Hydrogen Strategy." In Understanding Nuclear Reactors. Oxford University PressOxford, 2024. http://dx.doi.org/10.1093/oso/9780198902652.003.0013.

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Abstract The role of hydrogen in the fight against global warming is explained. The properties of hydrogen, and its transportation as a gas or liquid are covered. The methods for the production of hydrogen, by an electrolyser, methane steam reforming (MSR), and the water–gas shift reaction are described. The use of hydrogen in fuel cells and the production of hydrogen-powered engines to replace diesel are stated as a future market for hydrogen. The use of high-temperature reactors to produce hydrogen by methane pyrolysis and water splitting is explained. Several methods of carbon capture and s
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Bharathi, M., S. Saranya, Senthil Kumar N., and P. Chellapandi. "Functional Prediction of Anti-methanogenic Targets from Methanobrevibacter Ruminantium M1 Operome." In Marvels of Artificial and Computational Intelligence in Life Sciences. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136807123010019.

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Methanobrevibacter ruminantium M1 is one of the abundant methanogenic archaea found in ruminants, which is influential in livestock production by enteric methane emission. Several methane mitigation strategies have been employed to curtail enteric methane emissions, most of which have not been successful to date. Hence, it is imperative to discover new targets for the development of organism-specific vaccines and inhibitors of methanogenesis. In this study, we predicted the functions and characterized chemogenomic and vaccine proteins from their operomes using a combined bioinformatics approac
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Eugen Cioabla, Adrian, and Francisc Popescu. "Case Studies in Biogas Production from Different Substrates." In Biogas [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101622.

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The present paper involves applicative research in the field of biogas production with the accent on small laboratory scale installations built for biogas production, preliminary testing of substrate for biogas production and combustion applications for biogas-like mixtures. The interconnected aspect of the presented material involves cumulative expertise in multidisciplinary fields of interest and continuous development of possibilities to determine the energetic potential of substrates subjected to biodegradable fermentation conversion for further applications. The research analyzed the comb
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Iwamatsu, E., T. Moriyama, N. Takasaki, and K. Aika. "Oxidative Coupling of Methane Over Promoted Magnesium Oxide Catalysts; Relation Between Activity and Specific Surface Area." In Methane Conversion, Proceedings of a Symposium on the Production of Fuels and Chemicals from Natural Gas. Elsevier, 1988. http://dx.doi.org/10.1016/s0167-2991(09)60528-0.

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Benchaar, Chaouki. "The use of plant extracts as dietary supplements in dairy cow nutrition: saponins." In Advances in sustainable dairy cattle nutrition. Burleigh Dodds Science Publishing, 2023. http://dx.doi.org/10.19103/as.2022.0117.06.

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Saponins are steroid or triterpene glycoside compounds found in a variety of plants. Some saponins-containing plants have been used in ruminant nutrition with the most known and The main effect of saponins appears to inhibit ruminal protozoa (i.e., defaunation), which might increase rumen microbial synthesis and protein duodenal flow of amino acids. Given the symbiotic association between protozoa and methanogens, saponins may reduce enteric methane production. Saponins may also selectively impact (positively or negatively) specific rumen bacteria or fungi. The effects of saponins on rumen mic
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Ahmed Soltan, Yosra, and Amlan Kumar Patra. "Ruminal Microbiome Manipulation to Improve Fermentation Efficiency in Ruminants." In Animal Feed Science and Nutrition - Health and Environment [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.101582.

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The rumen is an integrated dynamic microbial ecosystem composed of enormous populations of bacteria, protozoa, fungi, archaea, and bacteriophages. These microbes ferment feed organic matter consumed by ruminants to produce beneficial products such as microbial biomass and short-chain fatty acids, which form the major metabolic fuels for ruminants. The fermentation process also involves inefficient end product formation for both host animals and the environment, such as ammonia, methane, and carbon dioxide production. In typical conditions of ruminal fermentation, microbiota does not produce an
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Conference papers on the topic "Specific methane production"

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Schutz, R. W., R. L. Porter, and J. M. Horrigan. "Qualification of Ti-6Al-4V-Ru Alloy Production Tubulars for Aggressive Fluoride-Containing Mobile Bay Well Service." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00160.

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Abstract Ti-6Al-4V-Ru alloy (102 mm [4"] OD) seamless pipe was evaluated as candidate production string tubulars for a specific Mobile Bay Field producing corrosive NaCl- and CaF2-saturated sour brines at 210°C (410°F). The extensive qualification test program, which was mandated by a major Mobile Bay gas producer, included assessment of long-term pipe property and metallurgical stability at well temperature, and long-term corrosion resistance in this sour production brine, injected organic acidizing solutions, liquid scale inhibitor, and methanol solvent for hydrate control; in addition to re
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Schutz, R. W., B. C. Jena, and H. W. Walker. "Comparing Environmental Resistance of UNS R55400 Alloy Tubulars to Other Oilfield Titanium Alloys." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07328.

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Abstract The heat-treatable and weldable alpha-beta titanium alloy, UNS R55400,(1) was developed as a higher strength alternative to the highly corrosion-resistant UNS R56404 (ASTM Grade 29)(2) titanium alloy used as tubular components for corrosive, extreme high pressure, high temperature (XHPHT) and deep water hydrocarbon production service. Recently approved for sour service,1 this alloy exhibits very comparable resistance to UNS R56404 in acidic, sour and non-sour chloride-rich aqueous environments commonly associated with upstream and offshore hydrocarbon production. This paper presents a
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Gareau, F. S., N. A. Chambers, and A. M. Martinson. "Effect of Stress and Environment on Failures of 17-4 PH Stainless Steel Valve Stems." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93146.

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Abstract A case history of sulphide stress cracking of UNS S17400 (17-4 PH) stainless steel valve stems will be presented. Even though the valve stems met the requirements of NACE Standard MR0175-84, failures still occurred. The valves were used in a wet sour gas environment that contained 27% hydrogen sulphide, 7% carbon dioxide and 66% methane. The production environment included elemental sulphur but did not contain liquid hydrocarbons. The range of nominal tensile stem stresses from field experimentation was 74 to 221 MPa-9 to 31 percent of the specified minimum yield strength. Local stres
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Klink, D. R., and R. W. Schutz. "Engineering Incentives for Utilizing Ti-3Al-8V-6Cr-4Zr-4Mo Alloy Tubulars in Highly Aggressive Deep Sour Gas Wells." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92063.

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Abstract The cold pilgered Pd-enhanced Ti-38644 titanium tubular represents an optimized production tubular product for worst-case deep sour gas well service. Tubular processing and heat treatment improvements have resulted in enhanced ductility, age uniformity, and thermal stability compared to first generation hot extruded Ti- 38644 tubulars. Alloy compositional enhancement with a minor Pd level, in conjunction with these microstructural improvements, have elevated both stress corrosion and crevice corrosion temperature thresholds to at least 246°C in worst-case sour gas well fluids. Excelle
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Agarwal, D. C., and Helena Alves. "Applications of Alloy 59 (UNS N06059) and Alloy 31 (UNS N08031) in Mitigating Corrosion Problems in CPI and Petrochemical Industries." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07186.

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Abstract CPI & Petrochemicals constitute a huge, complex and highly diverse industry which forms an integral part of the US economy. It covers converting various raw materials (about 10 of them), the most important ones being organic in nature such as oil, natural gas and coal whilst others are inorganic in nature such as ores / elements taken from the earth (phosphates, sulfur, potash etc), air (nitrogen, oxygen) and water (chlorine, hydrogen). Conversion of these base materials produce about 300 different “intermediates” which then go into production of about 30.000 plus consumer product
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Dubrovskis, Vilis, and Dagnis Dubrovskis. "Methane production from briquettes of birch sawdust." 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.tf124.

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Renewable energy sources have the potential to reduce emissions of GHG when compared to the combustion of fossil fuels and thereby to mitigate climate change. Bioenergy systems can contribute to climate change mitigation if they replace traditional fossil fuel use (IPCC, 2012). Latvia is also striving to achieve neutral emissions by 2030. Therefore, the use of renewable energy is supported. Wood waste maybe an important resource for biogas production. The biodegradability is however limited because of the recalcitrant nature of the biofibers (lignocellulosic biomass) it contains. More and more
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Dubrovskis, Vilis, and Dagnis Dubrovskis. "Biogas production from fresh and old sawdust litter with chicken manure." 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.tf123.

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In Latvia, forest products are widely used for heat production by direct incineration. As it causes air pollution, especially in cities, other technologies are being considered. One of them is anaerobic digestion of biomass or biogas (methane) production. Biofuels and biogas are playing a key role in the decarbonisation of the transport sector and will contribute in the future to a fuel switch in combination with electrification, for example in hybrid cars. In sectors which are difficult to decarbonize, such as heavy-duty vehicles, ships and airplanes, biofuels often represent the only technic
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Plume, Imants, Eduards Azits, Vilis Dubrovskis, and Lauris Plume. "Production of biogas from grass at various pre-treatment and anaerobic fermentation temperatures under influence of magnetic field." In 23rd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2024. http://dx.doi.org/10.22616/erdev.2024.23.tf128.

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Biogas production from agricultural biomass is declining in Latvia, as stricter regulations propose restriction of using energy crops, e.g. maize silage, by 2030. An alternative to energy crops can be grass overgrowth biomass from abandoned areas, municipal or domestic green areas and protected areas such as roadsides, areas under power lines and others. The biomass of grass contains lot of lignocellulose, which slowly decomposes during the anaerobic fermentation (AF) process. The aim of the study was to investigate the influence of pretreatment of grass by freeze-thawing cycle at a low temper
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Baky, Md Abdullah Hil, Muhammad Nazmul Hassan Khan, Md Faisal Kader, and Habibullah Amin Chowdhury. "Production of Biogas by Anaerobic Digestion of Food Waste and Process Simulation." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6756.

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Anaerobic Digestion is a biological process that takes place naturally when microorganisms break down organic matter in the absence of oxygen. In an enclosed chamber, controlled anaerobic digestion of organic matter produces biogas which is predominantly methane. The produced methane then can be directly used for rural cooking; or after certain conditioning, can be used in onsite power generation, heating homes or as vehicular fuel. Besides, food waste is increasingly becoming a major problem in every society imposing serious economic and environmental concerns. For this reason, many contempor
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Zhao, Ermeng, Jian Hou, Yunkai Ji, Lu Liu, Yongge Liu, and Yajie Bai. "The Key Factors of Low-Frequency Electric Heating Assisted Depressurization Method in the Exploiting of Methane Hydrate Sediments." In SPE Europec featured at 82nd EAGE Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205119-ms.

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Abstract Natural gas hydrate is widely distributed in the permafrost and marine deposits, and is regarded as an energy resource with great potential. The low-frequency electric heating assisted depressurization (LF-EHAD) has been proven to be an efficient method for exploiting hydrate sediments, which involves complex multi-physics processes, i.e. current conduction, multiphase flow, chemical reaction and heat transfer. The physical properties vary greatly in different hydrate sediments, which may profoundly affect the hydrate decomposition in the LF-EHAD process. In order to evaluate the infl
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Reports on the topic "Specific methane production"

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Golub, Alla, Thomas Hertel, Huey-Lin Lee, Steven Rose, and Brent Sohngen. The Opportunity Cost of Land Use and the Global Potential for Greenhouse Gas Mitigation in Agriculture and Forestry. GTAP Working Paper, 2006. http://dx.doi.org/10.21642/gtap.wp36.

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This paper analyzes the role of global land-use in determining potential greenhouse gas mitigation by land-based activities in agriculture and forestry. Land-based activities are responsible for over a third of global greenhouse gas emissions, yet the economics of land-use decisions have not been explicitly modeled in global mitigation studies. In this paper, we develop a new, general equilibrium framework which effectively captures the opportunity costs of land-use decisions in agriculture and forestry, thereby allowing us to analyze competition for heterogeneous land types across and within
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Mizrahi, Itzhak, and Bryan A. White. Uncovering rumen microbiome components shaping feed efficiency in dairy cows. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600020.bard.

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Ruminants provide human society with high quality food from non-human-edible resources, but their emissions negatively impact the environment via greenhouse gas production. The rumen and its resident microorganisms dictate both processes. The overall goal of this project was to determine whether a causal relationship exists between the rumen microbiome and the host animal's physiology, and if so, to isolate and examine the specific determinants that enable this causality. To this end, we divided the project into three specific parts: (1) determining the feed efficiency of 200 milking cows, (2)
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Sooksai, Sarintip, Nanthika Khongchareonporn, Aphichart Karnchanatat, Kannika Sermsuvitwong, Sajee Noitang, and Tanapati Pakum. Enhancement of recombinant monomeric insulin production in methylotrophic yeasts by increasing copy number of gene. Chulalongkorn University, 2015. https://doi.org/10.58837/chula.res.2015.98.

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Currently, methylotrophic yeast expression system has been developed and widely used for recombinant proteins production. In this research, Pichia pastoris strains, X-33, GS115, KM71H, and Hansenula polymorpha NRRL2214, were used as hosts for recombinant monomeric insulin production. Recombinant plasmids, TP1, TP2, TP4, which have 1, 2 and 4 copy(s) of monomeric insulin precursor (MIP) gene, respectively, were successfully constructed in pPICZαA expression vector and transformed into the hosts. The recombinant yeasts which harboring TP1, TP2, TP4 plasmids which integrated into their genome wer
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George and Hart. PR-015-06603-R02 Tests of Instruments for Measuring Hydrocarbon Dew Points in Natural Gas Streams Phase 2. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010969.

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Research has assessed the accuracy of two commercially-available hydrocarbon dew point (HCDP) analyzers, an Ametek� Model 241 CE II and a Michell Condumax II. During a previous phase of this project, both automated analyzers, along with a Bureau of Mines chilled mirror device serving as a reference, were tested on gravimetrically-prepared gas blends chosen to simulate a transmission-quality gas and a production gas. The measurement repeatability of both units was found to be better than the manual chilled mirror. Trends in the analyzer and manual chilled mirror measurements suggested that diff
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Chanprateep Napathorn, Suchada, and Tanapat Palaga. Expression of novel fusion proteins IL2/FU-MK-1-scFv in microorganism-host cells and its potential anti-tumor activities as a cytotoxic immunotherapy agent for FU-MK-1 expressing tumors. Chulalongkorn University, 2012. https://doi.org/10.58837/chula.res.2012.25.

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MK-1, the target molecule of FU-MK-1, is encoded by the GA733-2 gene, which is currently being used as a target in clinical trials for gastric, intestinal, and biliary cancer treatment with monoclonal antibodies. Here, two different arrangement of heavy-chain and K light-chain variable fusion gene, IL2/FUscFv(VK-VH) or IL2/FUscFv(VWVK), were constructed. The efficiency of protein expression in prokaryotic host expression system, Escherichia coli strains BL21(DE3)pLysS and Rosetta-gami B was compared with eukaryotic host expression system, Pichia pastoris strains GS115 and KM71H, for their abil
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Hefetz, Abraham, and Justin O. Schmidt. Use of Bee-Borne Attractants for Pollination of Nonrewarding Flowers: Model System of Male-Sterile Tomato Flowers. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586462.bard.

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The use of bee natural product for enhancing pollination is especially valuable in problematic crops that are generally avoided by bees. In the present research we attempted to enhance bee visitation to Male Sterile (M-S) tomato flowers generally used in the production of hybrid seeds. These flowers that lack both pollen and nectar are unattractive to bees that learn rapidly to avoid them. The specific objects were to elucidate the chemical composition of the exocrine products of two bumble bee species the North American Bombus impatiens and the Israeli B. terrestris. Of these, to isolate and
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