Relevant bibliographies by topics / Exogenous source of carbon

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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 'Exogenous source of carbon'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Exogenous source of carbon"

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PEN˜UELAS, JOSEP. "HCO−3as an Exogenous Carbon Source for Aquatic BryophytesFontinalis antipyreticaandFissidens grandifrons." Journal of Experimental Botany 36, no. 3 (1985): 441–48. http://dx.doi.org/10.1093/jxb/36.3.441.

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Sun, Caili, Aabid Manzoor Shah, Junhuan Yang, Zongmin Wang, Lanlan Zhu, and Yuanda Song. "Transcriptome Analysis of Oleaginous Fungus Mucor circinelloides WJ11 in Response to Exogenous Soybean Oil as Carbon Source." Natural Product Communications 16, no. 6 (June 2021): 1934578X2110233. http://dx.doi.org/10.1177/1934578x211023366.

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Mucor circinelloides is an oleaginous fungus that utilizes a wide variety of carbon substrates for its growth. The different sources of carbon strongly influence the total lipid content of the fungus. These different carbon substrates are assimilated and dissimilated through different metabolic pathways before entering into the TAG synthesis pathway. In the present study, we attempted to explore the mechanism of ex-novo lipid biosynthesis in M. circinelloides WJ11 in response to exogenous plant oil as a carbon source through transcriptomic analysis. The lipid content of WJ11 grown in a media containing mixed soybean oil with glucose as a carbon source was up to 43.8%, an increase of 13.9% as compared to glucose alone as the carbon source. RNA-Seq analysis was performed to investigate global gene expression patterns in the oil-treated WJ11. Based on RNA-seq analysis, among the 4646 differentially expressed genes (DEGs), 2379 were up-regulated and 2267 down-regulated. The expression of acetyl-CoA synthetase, 6-phosphofructokinase, alcohol dehydrogenase (NADP+), fructose-bisphosphate aldolase, and pyruvate kinase was down-regulated while genes related to triglyceride synthesis were up-regulated. The majority of genes and pathways related to lipid biosynthesis were up-regulated indicating a diversion of metabolic pathways towards lipid biosynthesis. The data generated advance the genomic resources and provide insights into the mechanisms of ex-novo lipid accumulation in fungi that use exogenous oil as a carbon source.
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Francisco, Érika Cristina, Telma Teixeira Franco, Roger Wagner, and Eduardo Jacob-Lopes. "Assessment of different carbohydrates as exogenous carbon source in cultivation of cyanobacteria." Bioprocess and Biosystems Engineering 37, no. 8 (January 21, 2014): 1497–505. http://dx.doi.org/10.1007/s00449-013-1121-1.

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Francisco, E. C., E. Jacob-Lopes, and T. T. Franco. "Assessing the potential of disaccharides as exogenous carbon source in cultivation of cyanobacteria." New Biotechnology 29 (September 2012): S66. http://dx.doi.org/10.1016/j.nbt.2012.08.185.

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Suner, Selim. "Reply: Elevated SpCO is Most Commonly from an Exogenous Source of Carbon Monoxide." Journal of Emergency Medicine 37, no. 3 (October 2009): 310. http://dx.doi.org/10.1016/j.jemermed.2008.06.035.

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Ramírez-Godínez, Juan, Icela Beltrán-Hernández, Alejandro Álvarez-Hernández, Claudia Coronel-Olivares, Elizabeth Contreras-López, Maribel Quezada-Cruz, and Gabriela Vázquez-Rodríguez. "Evaluation of Natural Materials as Exogenous Carbon Sources for Biological Treatment of Low Carbon-to-Nitrogen Wastewater." BioMed Research International 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/754785.

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In the bacterial processes involved in the mitigation of nitrogen pollution, an adequately high carbon-to-nitrogen (C : N) ratio is key to sustain denitrification. We evaluated three natural materials (woodchips, barley grains, and peanut shells) as carbon sources for low C : N wastewater. The amount of organic matter released from these materials to aqueous media was evaluated, as well as their pollution swapping potential by measuring the release of total Kjeldahl nitrogen, N-NH4+,NO2-, andNO3-, and total phosphorous. Barley grains yielded the highest amount of organic matter, which also showed to be the most easily biodegradable. Woodchips and peanut shells released carbon rather steadily and so they would not require frequent replenishment from biological reactors. These materials produced eluates with lower concentrations of nutrients than the leachates from barley grains. However, as woodchips yielded lower amounts of suspended solids, they constitute an adequate exogenous source for the biological treatment of carbon-deficient effluents.
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Farrugia, G., S. M. Miller, A. Rich, X. Liu, M. D. Maines, J. L. Rae, and J. H. Szurszewski. "Distribution of heme oxygenase and effects of exogenous carbon monoxide in canine jejunum." American Journal of Physiology-Gastrointestinal and Liver Physiology 274, no. 2 (February 1, 1998): G350—G358. http://dx.doi.org/10.1152/ajpgi.1998.274.2.g350.

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Carbon monoxide (CO) has been postulated to be a messenger in the gastrointestinal tract. The aims of this study were to determine the distribution of heme oxygenase (HO), the source for endogenous CO in the canine jejunum, and to determine the effects of CO on jejunal circular smooth muscle cells. HO-2 isoform was present in a population of myenteric and submucosal neuronal cell bodies, in nerve fibers innervating the muscle layers, and in smooth muscle cells. HO-1 isozyme was not detected in the canine jejunum. Exogenous CO increased whole cell current by 285 ± 86%, hyperpolarized the membrane potential by 8.5 ± 2.9 mV, and increased guanosine 3′,5′-cyclic monophosphate (cGMP) levels in smooth muscle cells. 8-Bromo- cGMP also increased the whole cell current. The data suggest that endogenous activity of HO-2 may be a source of CO in the canine jejunum and that exogenously applied CO can modulate intestinal smooth muscle electrical activity. It is therefore reasonable to suggest a role for endogenously produced CO as a messenger in the canine jejunum.
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González-Hernández, Ana Isabel, Loredana Scalschi, Pilar García-Agustín, and Gemma Camañes. "Exogenous Carbon Compounds Modulate Tomato Root Development." Plants 9, no. 7 (July 3, 2020): 837. http://dx.doi.org/10.3390/plants9070837.

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NO3− is not only a nutrient, but also a signaling compound that plays an important role in several plant processes, like root development. The present study aimed to investigate the effect of three different exogenous C compounds (sucrose, glucose, 2-oxoglutarate) added to NO3− nutrition on C/N, auxin and antioxidant metabolisms in 10-day-old tomato seedlings. Sucrose and glucose supplementation enhanced primary root (PR) length, lateral root number and root density, while 2-oxoglutarate negatively affected them. This phenomenon was accompanied by a slight increase in NRT2.1 and GS1 gene expression, together with an increase in LAX2 and LAX3 and a decrease in LAX4 in the roots growing under sucrose and glucose sources. The addition of 2-oxoglutarate enhanced the expression of NiR, GDH, PEPC1, LAX1, LAX3 and the antioxidant gene SOD Cl. Taken together, these findings contribute to a better understanding of how these C sources can modulate N uptake and C/N, auxin and antioxidant gene expression, which could be useful for improving nitrogen use efficiency.
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Kowallik, Wolfgang, Meinolf Thiemann, Yi Huang, Gerard Mutumba, Lisa Beermann, Dagmar Broer, and Norbert Grotjohann. "Complete Sequence of Glycolytic Enzymes in the Mycorrhizal Basidiomycete, Suillus bovinus." Zeitschrift für Naturforschung C 53, no. 9-10 (October 1, 1998): 818–27. http://dx.doi.org/10.1515/znc-1998-9-1007.

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Axenic cultures of Suillus bovinus were cultivated in inorganic liquid medium with glucose as a carbon source at 25 °C and continuous supply of oxygen by aeration with compressed air in the dark. Exogenous fructose as sole carbon source yielded about 50% less increase in dry weight than glucose. This resulted from different uptake velocities. Sucrose as sole exogenous carbon source yielded no measurable increase in dry weight. In glucose cultures, activities of all glycolytic enzymes were found. Maximum specific activities varied largely (from about 60 [fructose 6-phosphate kinase] to about 20 000 [triosephosphate isomerase] nmoles · mg protein-1 · min-1). Apparent Km-values also varied over more than two orders of magnitude (0.035 mᴍ [pyruvate kinase] to 6.16 mᴍ [triosephosphate isomerase]). Fructose 6-phosphate kinase proved to be the fructose 2,6-bisphosphate-regulated type, aldolase the divalent cation-dependent (class II) type and glyceratephosphate mutase the glycerate 2,3-phosphate-independent type of the respective enzymes. Eight of the 10 enzymes exhibited pʜ-optima′ between 7.5-8.0. Triosephosphate isomerase and pyruvate kinase showed highest activities at pʜ 6.5. Regulatory sites within the glycolytic pathway of Suillus bovinus are discussed; fructose 6-phosphate kinase appears to be its main bottle neck.
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Tsai, C. Stan, Antonio J. Aveledo, Ian J. McDonald, and Byron F. Johnson. "Diauxic growth of the fission yeast Schizosaccharomyces pombe in mixtures of D-glucose and ethanol or acetate." Canadian Journal of Microbiology 33, no. 7 (July 1, 1987): 593–97. http://dx.doi.org/10.1139/m87-103.

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The fission yeast Schizosaccharomyces pombe was unable to utilize ethanol or acetate as its sole carbon source for growth. However, ethanol and acetate were utilized in the presence of D-glucose during diauxic growth. No mutants capable of utilizing ethanol or acetate as sole carbon source were isolated from cultures grown in glucose together with ethanol or acetate. Low concentrations of acetate facilitated growth with glucose, whereas high concentrations of ethanol or acetate were inhibitory. Growing cells readily took up [1-14C]ethanol and [1-14C]acetate. The exogenous [1-14C]acetate was initially incorporated into biomacromolecules which were subsequently catabolized.
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Dissertations / Theses on the topic "Exogenous source of carbon"

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Van, Lierde Patrick G. "Nucleation, milk and membranes as modifications to enhance biological phosphorus removal in activated sludge." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/16784.

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Enhanced biological phosphorus removal (EBPR) was researched from the performance of a modified University of Cape Town (UCT), anaerobic-anoxic/nitrifying-aerobic process. The work focussed on high P influent where milk was compared to carbohydrates as exogenous added carbon and typical settled sewage. The results confirmed that at equal COD load in the influent (minimum COD:P (250:5) ratio for EBPR), milk always provided sufficient soluble substrate than the carbohydrate mix, but also improved the EBPR performance. The laboratory scale treated 10L/day where 2 parallel treatment trains for milk and an equivalent carbohydrate mix as supplement to compare and study the P sequestration from hypothesised P ligands in milk and easily assimilable carbon (AOM) after fermentation for biological P uptake. The aerobic bioreactors used submerged flat sheet membranes (AeMBR) to improve the effluent quality and reduce the suspended solid residues. The results suggested extra benefits from adding calcium chloride (CaCl2) (200 ml at 250 mM/day or 200 mg/L treated) to form P complexes both in the anaerobic and aerobic zones (100 ml CaCl2 250mM/zone/day). To complete P removal a calcium phosphate (CaPO4) further treatment stage (post membrane final effluent (F.E.)) was added for nucleation. The combination of, A2O-N, exogenous carbon and calcium addition improved the performance of the EBPR, and enabled the laboratory units to achieve less than the 1 mg/L P required by the EU Directive. The process was tested at higher than normal P loads (maximum 100 mg/L) (domestic wastewater influent 15 mg/L). Experiments with influent P load ≤ 50mg/L, with 1% milk as AOM were compared to the carbohydrate mix and could remove soluble P to less than 1mg/L above 97% and less than 2 mg/L more than 99% of the in the time respectively. With an influent P load of 60mg/L (maximum 100 mg/L), the soluble P in the F.E. with milk was below 5 mg/L and below 8 mg/L with carbohydrates mix. The results showed that most of the phosphorus was retained by the sludge during the anoxic-aerobic phases. The remaining phosphate in the F.E. was able to pass through AeMBR pore size (0.4 μm) and needed to be chelated by the nucleation process. The results indicated this A2O-N modifications achieved stable nutrient removal and also offered the potential for more sustainable phosphorus recovery. The EBPR without AOM was 25% less efficient compared to milk and never achieved the E.U standard of 1mg/L in final effluent. The flat sheet membrane always achieved a NTU final effluent below 1 and the TOC always greater than 90% removal or less than the EU 125 standard regardless of the feeding COD/P ratio.
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Zhang, Rui. "Exogenous dihydroorotate as a pyrimidine source for Salmonella typhimurium." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq30578.pdf.

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Alshehri, Adel. "Enhancing carbon sequestration in peatlands using exogenous phenolic inhibitors." Thesis, Bangor University, 2017. https://research.bangor.ac.uk/portal/en/theses/enhancing-carbon-sequestration-in-peatlands-using-exogenous-phenolic-inhibitors(8b62c8e2-0aa9-4468-847e-13c991a09560).html.

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Northern hemisphere peatlands store approximately 455 Pg of organic carbon (C) and are an important component of the global C cycle, currently acting as sinks for atmospheric C, despite peatlands only covering 3% of the planet’s surface. The presence of phenolic compounds in the peatlands allows these stocks to accumulate, by slowing down the process of decomposition to below that of photosynthetic production. Phenolic inhibitors are abundant due to the unique properties in waterlogged peatlands, which have the ability to suppress phenol oxidase activity, which is among the few enzymes capable of degrading phenolic compound inhibitors. This permits accumulation of phenolic compounds, which, in turn, prevents hydrolase enzymes from breaking down organic matter and thus promoting sequestration of C in peatlands. This mechanism has been described as the “enzymic latch” and leads to carbon sequestration in peat. It is noteworthy that human carbon emissions, which exceed 8 Pg per year leading to global warming, can turn these wetlands from carbon sinks into important sources of greenhouse gases, namely carbon dioxide (CO2) and methane (CH4). To help prevent further climate change, this study examined whether manipulation of the enzymic latch might reduce the rate of decomposition by increasing the abundance of phenolic inhibitors in peat soil and thus reducing the rate of carbon release into the atmosphere. The study showed that inhibitory phenolic additions may have an effect on carbon sequestration in peatlands in the form of supplementary wood chips, which have proven promote carbon storage in peat matrices. The results also demonstrated the ability of waste materials such as crude oil to suppress CO2 release that requires further study. Low molecular weight phenolic inhibitors may be more potent than high molecular weight in terms of effect on suppressing enzymic decomposition.
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Rosner, Hillary. "Tropical rainforests: Carbon sink or carbon source?" Diss., Connect to online resource, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1439430.

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Mewes, Paul. "Persistence of exogenous organic carbon in soil as a cultivation property." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18143.

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Eine biochemische Indikation des Anteils exogener organischer Kohlenstoffquellen (EOC), der nach dem Eintrag potenziell im Boden verbleibt (Cpot) wurde entwickelt. Haupthypothese dieser Studie war, dass der Abbau von EOC durch die biochemische Zusammensetzung vorhergesagt werden kann, welche bei Pflanzenrückständen von der Kulturart, dem Pflanzenrückstandstyp sowie dem Anbausystem und im Allgemeinen vom Ausgangssubstrat organischer Düngestoffe und der EOC-Kategorie (pyrogen , mikrobiell und pflanzlich) beeinflusst wird. Zunächst wurden Pflanzenrückstände im Energiepflanzenanbau zur Biogasgewinnung (Restpflanze / Stroh, Stoppeln, Grobwurzeln, Feinwurzeln, natürlicher Bestandsabfall) von Mais, Sorghum, Sudangras, Wintergetreide, Hafer, Erbse in Einzel-, Zwei- und Mischkultursystemen betrachtet. In einem zweiten Schritt wurden Pflanzenrückstände im Allgemeinen mit organischen Düngern, Komposten, Rückständen aus anaerober Vergärung in der Biogasproduktion (Gärrückstände) und Biokohlen verglichen. Die biochemische Zusammensetzung von EOC wurde durch die Konzentrationen von Kohlenstoff- (C), Stickstoff (N), wasserlöslicher Kohlehydrate (WSC), Hemizellulose (HEM), Zellulose (CEL) und Lignin (LIC) in g pro kg Trockenmasse dargestellt. In Inkubationsversuchen wurde EOC gleichmäßig mit Boden vermischt und über 310 Tage die Zugabe-induzierte Kohlendioxid-Freisetzung gemessen. Cpot wurde als Grenzwert der Modellschätzung für die Inkubationsdaten bestimmt. Die Beziehung zwischen biochemischer Zusammensetzung und Cpot wurde durch die Partial-Least-Squares-Regression-Methode abgeleitet. Cpot unterschied sich stärker zwischen verschiedenen organischen Düngestoffen, als speziell zwischen verschiedenen Pflanzenrückständen und konnte durch die biochemische Zusammensetzung vorhergesagt werden. Der Indikator für Cpot (in g C pro kg EOC) wurde als Ipot = 269 + 13 N – 0.5 WSC + 0.7 CEL + 1.5 LIC für Pflanzenrückstände und im Allgemeinen als Ipot = 924 – 1.9 C + 2.0 LIC vorgeschlagen.
A biochemical indication for the fraction of exogenous organic carbon (EOC), potentially remaining in soil after application (Cpot) has been developed. Main hypothesis of this study was that decomposition of EOC can be predicted by the biochemical composition, which in case of plant residues is influenced by the crop residue type, crop species and agricultural management and in general depends on the original substrate and category (pyrogen, microbial, and plant-derived EOC) of organic materials. A first set of EOC was created, containing plant residues in energy crop cultivation for biogas production (shoot / straw, stubble, coarse root, fine root, and litter) of maize, sorghum, sudan grass, winter cereal, pea, and oats in single-, double- and intercropping systems. In a second set of EOC, plant residues in general were compared with other organic fertilisers, urban composts, residues of anaerobic fermentation in biogas production (digestates), and biochar. The biochemical composition of EOC was characterised by the concentrations of carbon (C), nitrogen (N), water-soluble carbohydrates (WSC), hemicelluloses (HEM), cellulose (CEL), and lignin (LIC) in g per kg dry matter. In incubation experiments, EOC was homogeneously incorporated into soil and EOC-induced carbon dioxide-release was measured for 310 d. Cpot was determined as modelled limit for the incubation results. Finally, the relation between biochemical composition and Cpot of EOC was evaluated by the partial least squares regression method. Cpot largely varied between different types and categories of EOC, while less variation was obtained between different plant residues. The biochemical composition was predictive for Cpot (expressed as g C per kg EOC), proposing the biochemical indicator as Ipot = 269 + 13 N – 0.5 WSC + 0.7 CEL + 1.5 LIC specifically for plant residues and as Ipot = 924 – 1.9 C + 2.0 LIC for EOC in general.
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Gibbons, Andrew Stuart. "The effects of supplying spinal motoneurons with a constant source of exogenous neurotrophins." Monash University, School of Biological Sciences, 2004. http://arrow.monash.edu.au/hdl/1959.1/9621.

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Cazin, Catherine Suzanne Julienne. "Catalysis of carbon-carbon and carbon-heteroatom bond-forming reactions : the importance of the palladium source." Thesis, University of Exeter, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248165.

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Surowitz, Kenneth Gene. "Carbon source metabolism and differentiation in Streptomyces alboniger /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262513409327.

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Osterman, My. "Carbon dioxide in agricultural streams : Magnitude and patterns of an understudied atmospheric carbon source." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355402.

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The role of streams in the global carbon budget was for a long time neglected, since they were considered passive transporters of carbon from land to sea. However, studies have shown that streams are often supersaturated in carbon dioxide (CO2), making them sources of carbon to the atmosphere. The main sources of stream CO2 are in-stream mineralization of organic matter and transport of carbon from the catchment. The catchment derived CO2 could both be of biogenic (respiration) or geogenic (weathering) origin. Most studies regarding the topic rely on measurements carried out in forest-dominated catchments, while agricultural streams are under-represented. The objective of this study was to examine partial pressure of CO2 (pCO2) in streams in catchments dominated by agriculture. This was done to increase the knowledge about agricultural influence on stream pCO2, and to provide a basis for planning mitigation strategies for reducing CO2 emissions from the agriculture sector. Sampling was performed in ten streams draining agriculture-dominated catchments around Uppsala, Sweden, from June to November 2017. Measurements of pCO2 were carried out with floating chambers, equipped with CO2 sensors. Nutrients, organic carbon, discharge and different chemical variables were also measured. For correlation tests, the method Kendall’s Tau was used. Catchments were delineated in a geographic information system (GIS) and the CORINE Land Cover dataset was used to examine land use. Stream specific median pCO2 varied from 3000 to 10 000 μatm. In some streams, pCO2 exceeded 10 000 μatm, which was outside of the sensor’s measurement range. Values of pCO2 were high compared to similar studies in forested catchments, which could indicate that occurrence of agriculture in the catchment increases stream CO2. Correlation was found between pCO2 and discharge, with negative correlation in five streams and positive correlation in two. Negative correlation was found between pCO2 and pH and percentage of dissolved oxygen, respectively. No significant correlation was found between pCO2 and fraction of agricultural land use, nutrients or organic carbon. Further studies are needed to examine the sources of CO2, since it is possible that a large part of the CO2 has a geogenic origin. The floating chamber method should be revised to reduce the sensor’s sensitivity to condensation and cold temperatures, and to increase the measuring range.
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Xie, Huixiang. "A study of the ocean source of carbon disulphide." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0017/NQ49301.pdf.

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Books on the topic "Exogenous source of carbon"

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Aresta, M., and G. Forti, eds. Carbon Dioxide as a Source of Carbon. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3.

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Falco, Marcello De, Gaetano Iaquaniello, and Gabriele Centi, eds. CO2: A Valuable Source of Carbon. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5119-7.

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NATO Advanced Study Institute on Carbon Dioxide: Chemical and Biochemical Uses as a Source of Carbon (1986 Pugnochiuso, Italy). Carbon dioxide as a source of carbon: Biochemical and chemical uses. Dordrecht: D. Reidel Pub. Co., 1987.

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Hill, Lionel Mark. The source of carbon for starch synthesis by amyloplasts from developing pea embryos. Norwich: University of East Anglia, 1993.

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Evidence-based climate science: Data opposing CO2 emissions as the primary source of global warming. Amsterdam: Elsevier, 2011.

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Savoie, Jennifer. Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996. Northborough, Mass: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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A, Madore Monica, Lucas W. J, and University of California, Riverside. Dept. of Botany and Plant Sciences., eds. Carbon partitioning and source-sink interactions in plants: Proceedings, 17th annual Riverside Symposium in Plant Physiology, January 19-21, 1995, Department of Botany and Plant Sciences, University of California, Riverside. Rockville, Md: American Society of Plant Physiologists, 1995.

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Savoie, Jennifer. Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996. Northborough, Mass: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Macoritto, Michael. Characterization of the specific enzyme activity of the quinoprotein ethanol dehydrogenase from "pseudomonas aeruginosa" grown in a media with acetone as the sole carbon source. Sudbury, Ont: Laurentian University, 1997.

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Pennsylvania. Dept. of Environmental Protection. and Geological Survey (U.S.), eds. Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania. [Washington, D.C: U.S. G.P.O.], 2002.

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Book chapters on the topic "Exogenous source of carbon"

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Gomez, Felipe. "Carbon Source." In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_231-2.

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Gomez, Felipe. "Carbon Source." In Encyclopedia of Astrobiology, 373. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_231.

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Gomez, Felipe. "Carbon Source." In Encyclopedia of Astrobiology, 246. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_231.

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Chambliss, Glenn H. "Carbon Source-Mediated Catabolite Repression." In Bacillus subtilis and Other Gram-Positive Bacteria, 213–19. Washington, DC, USA: ASM Press, 2014. http://dx.doi.org/10.1128/9781555818388.ch15.

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Aresta, Michele. "The Carbon Dioxide Problem." In Carbon Dioxide as a Source of Carbon, 1–22. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_1.

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Brown, R. S. "Evolution of Models for the Structural, Spectroscopic, and Catalytic Properties of Carbonic Anhydrase." In Carbon Dioxide as a Source of Carbon, 169–97. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_10.

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Canvin, D. T., A. G. Miller, and G. S. Espie. "C3 Photosynthesis in Algae: The Importance of Inorganic Carbon Concentrating Mechanisms." In Carbon Dioxide as a Source of Carbon, 199–212. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_11.

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Sivak, M. N. "Past and Present: Long Term Changes in Atmospheric CO2 Concentration and Plant Strategies for the Optimisation of Photosynthesis." In Carbon Dioxide as a Source of Carbon, 213–36. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_12.

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Sirevåg, Reidun. "Photosynthetic Bacteria." In Carbon Dioxide as a Source of Carbon, 237–61. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_13.

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Fuchs, Georg. "Carbon Dioxide Reduction by Anaerobic Bacteria." In Carbon Dioxide as a Source of Carbon, 263–73. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3923-3_14.

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Conference papers on the topic "Exogenous source of carbon"

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Koreshi, Zafar Ullah. "Stationarity Issues in Monte Carlo Simulation for Neutron Transport." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15016.

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Monte Carlo (MC) simulation, especially suitable for large and complex nuclear systems, can become computationally expensive due to the large number of neutrons which must be simulated for statistically accurate and precise estimates. It is generally understood that a sample estimate will converge to the population mean when a ‘large’ sample size is taken. The term ‘large’ is usually based on a guess and hence MC simulation is understood to be both an art and a science. Considerable work has been done to analyze convergence of MC results and develop posterior diagnostic tools. This paper addresses the convergence of MC simulation for two problems viz (i) a fixed-source non-multiplying system, and (ii) a critical system represented by Godiva. A traditional approach is used in the first part of the work while a ‘new’ approach essentially following Signals and Systems techniques from Digital Signal Processing gives ‘orginality’ to the analysis as it provides insight into the convergence of didactic problems in neutron transport simulation. The methods used are (i) comparison of MC flux with exact transport and diffusion solutions and relative entropy, with the Kullback-Leibler (KL) divergence, to quantify the convergence of estimates for flux as a function of sample size in Monte Carlo simulations, (ii) the effect of ‘skip cycles’ on the keff estimate, and (iii) a system identification approach based on the ARX (Auto Regressive Exogenous Source) method to determine the correlation between generations. The latter can be incorporated in Monte Carlo codes leading to a priori rather than to a posteriori diagnostic tools for establishment of convergence. The main findings of this work for simple one-group problems are that a Kullback Leibler ε∼10−3 can be specified a priori for the convergence criteria of a fixed source problem while a system-identification approach for a simple Godiva simulation would need a large number of data points to build an accurate ARX model and hence would be more difficult to include as an a priori tool; so it would essentially serve a purpose similar to the FOM which gives a quality metric only after the simulation is completed.
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Ulisse, G., C. Ciceroni, F. Brunetti, and A. Di Carlo. "Carbon nanotubes electron source." In 2013 14th International Vacuum Electronics Conference (IVEC). IEEE, 2013. http://dx.doi.org/10.1109/ivec.2013.6571065.

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Wang, Wenqing, Chiyang Liu, Dongdong Zhang, Wenhui Liu, and Xiaofeng Wang. "Exogenous H2 Generation and Organic Matter Alteration in Source Rocks Under γ Irradiation." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2772.

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Li, Y., R. Fink, Mohshi Yang, Valerie Ginsberg, and Zvi Yaniv. "Integrated Gated Carbon Nanotube Electron Source." In NanoTech 2002 - "At the Edge of Revolution". Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-5760.

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Mendel, C. W. ,. Jr, M. E. Savage, D. M. Zagar, and W. W. Simpson. "Carbon4+ plasma source." In 1990 Plasma Science IEEE Conference Record - Abstracts. IEEE, 1990. http://dx.doi.org/10.1109/plasma.1990.110703.

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Azira, A. A., N. F. A. Zainal, S. F. Nik, M. Rusop, Mohamad Rusop, and Tetsuo Soga. "Carbon Nanotubes Using Palm Oil as Carbon Source in Spray Pyrolysis System." In NANOSCIENCE AND NANOTECHNOLOGY: International Conference on Nanoscience and Nanotechnology—2008. AIP, 2009. http://dx.doi.org/10.1063/1.3160244.

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Hongwei Liu and Xin Zhao. "Numerical simulation on pattern formation by vascular mesenchymal cells based on the exogenous source of activator." In 2013 8th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS). IEEE, 2013. http://dx.doi.org/10.1109/nems.2013.6559794.

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Hulley, Brittany, Jesse Beaudry, and Peter D. Sametz. "Canadian Oil Sands Greenhouse Gas Emissions Reporting Programs: Source, Scope, and Enforcement." In Carbon Management Technology Conference. Carbon Management Technology Conference, 2012. http://dx.doi.org/10.7122/151101-ms.

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Sheta, Alaa F., Nazeeh Ghatasheh, and Hossam Faris. "Forecasting global carbon dioxide emission using auto-regressive with eXogenous input and evolutionary product unit neural network models." In 2015 6th International Conference on Information and Communication Systems (ICICS). IEEE, 2015. http://dx.doi.org/10.1109/iacs.2015.7103224.

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Li, Bo, Shun-sen Wang, and Liming Song. "Advanced Exergy Analysis of the Supercritical Carbon Dioxide Power Cycle for Waste Heat Recovery of Gas Turbine." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59195.

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Abstract In this paper, the supercritical carbon dioxide power cycle used to recover the waste heat of gas turbine is investigated by means of conventional exergy analysis and advanced exergy analysis. Firstly, the thermodynamic parameters of carbon dioxide cycle in design stage are determined by single-objective optimization with net power output as objective function. Then, conventional exergy analysis is carried out on the partial heating cycle under real, unavoidable and ideal conditions. After that, advanced exergy analysis, in which the exergy destruction is divided into endogenous / exogenous part and avoidable / unavoidable part is adopted to reveal the improvement potential of the system and illustrate the interaction among the components. According to the calculation results, a total amount of 3.55MW (47.33%) exergy destruction could be reduced by the improvement of component efficiency. Endogenous exergy destruction is higher than exogenous exergy destruction in all components. Based on the results of conventional exergy analysis, the high-temperature heater should be paid attention in order to reduce exergy destruction. However, according to the results of advanced exergy analysis, the technical improvement of turbine should be emphasized due to its high endogenous-avoidable exergy destruction. Meanwhile, for the components with high unavoidable exergy destruction, external systems should be employed to exploit the underutilized energy and enhance the system performance.
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Reports on the topic "Exogenous source of carbon"

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Krakowski, R. A. Mitigation of atmospheric carbon emissions through increased energy efficiency versus increased non-carbon energy sources: A trade study using a simplified {open_quotes}market-free{close_quotes} exogenously driven model. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/562570.

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Barrett, Tate. Barrow Black Carbon Source and Impact Study Final Campaign Report. Office of Scientific and Technical Information (OSTI), July 2014. http://dx.doi.org/10.2172/1192173.

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Skye, Harrison, and Wei Wu. Laboratory tests of a prototype carbon dioxide ground-source air conditioner. Gaithersburg, MD: National Institute of Standards and Technology, October 2019. http://dx.doi.org/10.6028/nist.tn.2068.

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Skye, Harrison, and Wei Wu. Laboratory Tests of a Prototype Carbon Dioxide Ground-Source Air Conditioner. National Institute of Standards and Technology, April 2021. http://dx.doi.org/10.6028/nist.tn.2068r1.

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Liaw C. J., Y. Lee, J. Alessi, and J. Tuozzolo. Maximum Temperature on the Carbon Striping Foil in the Spallation Neutron Source. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/1157223.

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Lillard, R. S., D. P. Butt, T. N. Taylor, K. C. Walter, and M. Nastasi. Diamond-like carbon produced by plasma source ion implantation as a corrosion barrier. Office of Scientific and Technical Information (OSTI), March 1998. http://dx.doi.org/10.2172/645555.

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Busby, Ryan, H. Torbert, and Stephen Prior. Pulverized paper as a soil carbon source for degraded training Lands : user guide. Engineer Research and Development Center (U.S.), June 2019. http://dx.doi.org/10.21079/11681/33083.

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Busby, Ryan, H. Torbet, and Stephen Prior. Pulverized paper as a soil carbon source for degraded training lands : final report. Engineer Research and Development Center (U.S.), September 2019. http://dx.doi.org/10.21079/11681/34203.

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Dahowski, Robert T., and James J. Dooley. Source/Sink Matching for U.S. Ethanol Plants and Candidate Deep Geologic Carbon Dioxide Storage Formations. Office of Scientific and Technical Information (OSTI), September 2008. http://dx.doi.org/10.2172/938572.

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Persily, Andrew K., Yanling Wang, Brian Polidoro, and Steven J. Emmerich. Residential carbon monoxide exposure due to indoor generator operation : effects of source location and emission rate. National Institute of Standards and Technology, June 2013. http://dx.doi.org/10.6028/nist.tn.1782.

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