نتایج جستجو برای: propionates
تعداد نتایج: 2175 فیلتر نتایج به سال:
Modelling anaerobic digestion processes is a key aspect of studying and optimizing digesters and related waste streams. However, for the satisfactory prediction of biogas production and effluent characteristics, some parameters have to be calibrated according to the characteristics of the substrates. This article describes a calibration procedure for the IWA 'Anaerobic Digestion Model no. 1' ap...
Simple logic control algorithms were tested for automatic control of a lab-scale CSTR manure digester. Using an online VFA monitoring system, propionate concentration in the reactor was used as parameter for control of the biogas process. The propionate concentration was kept below a threshold of 10 mM by manipulating the feed flow. Other online parameters such as pH, biogas production, total V...
9 Co-first authors who contributed equally to this work. 10 11 *Corresponding author: 12 Yahai Lu 13 College of Resources and Environmental Sciences, 14 China Agricultural University 15 Beijing 100193, China 16 Phone: +86-10-62733617; Fax: +86-10-62733617 17 Email: [email protected] 18 19 Running title: Syntrophic propionate oxidation in rice field soil 20
Seven new hetero triply-bridged dinuclear Cu(II) compounds have been synthesized and characterized corresponding to a series with general formula [Cu(2)(L)(2)(μ-OH)(μ-OH(2))(μ-O(2)CR)]X(2) (where L = bpy = 2,2'-bipyridine, 4,4'-dmbpy = 4,4'-dimethyl-2,2'-bipyridine and 5,5'-dmbpy = 5,5'-dimethyl-2,2'-bipyridine; R = H for formate, CH(3) for acetate, CH(2)CH(3) for propionate and C(CH(3))(3) for...
Bacteria of the deeply branching phylum Verrucomicrobia are rarely cultured yet commonly detected in metagenomic libraries from aquatic, terrestrial, and intestinal environments. We have sequenced the genome of Opitutus terrae PB90-1, a fermentative anaerobe within this phylum, isolated from rice paddy soil and capable of propionate production from plant-derived polysaccharides.
The title compound, C(13)H(14)N(2)O(3)·0.5H(2)O, was synthesized by the condensation of methyl 3-amino-propionate with 3-trichloro-acetyl-indole. The two organic mol-ecules in the asymmetric unit are both close to planar, with r.m.s. deviations from the best fit plane through all of the non-H atoms of 0.004 (2) Å for mol-ecule A and 0.006 (1) Å for mol-ecule B. Also, the five- and six-membered ...
für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...
TADA, K. and ARAKAWA, Ts. Hyperglycinemia and propionate carboxylation. Tohoku J. exp. Med., 1970, 102 (3), 313-314 The oxidation of propionate and methylmalonate was investigated in leukocytes from a patient with hyperglycin emia. It was found that the patient's leukocytes could oxidize both propionate and methylmalonate normally. These findings suggest that hyperglycinemia con sists of primar...
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