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Relevant bibliographies by topics / Acetylene blockage technique

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Academic literature on the topic 'Acetylene blockage technique'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Acetylene blockage technique"

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Sørensen, Jan, Lone K. Rasmussen, and Isao Koike. "Micromolar sulfide concentrations alleviate acetylene blockage of nitrous oxide reduction by denitrifying Pseudomonas fluorescens." Canadian Journal of Microbiology 33, no. 11 (1987): 1001–5. http://dx.doi.org/10.1139/m87-176.

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The influence of low sulfide concentrations on nitrous oxide (N2O) reduction by resting cells of denitrifying Pseudomonas fluorescens was studied. Nitrous oxide reduction was inhibited by sulfide with an apparent Ki value of 1 μM. The inhibition was immediate and was readily alleviated by a short treatment of the cells with O2. In the absence of sulfide, addition of acetylene (0.2 kPa C2H2 or more) caused an immediate and complete inhibition of N2O reduction. However, when the sulfide concentration was higher than 2 μM, addition of C2H2 (range of 0.7–13 kPa tested) gave incomplete inhibition o

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2

Duff, John H., and Frank J. Triska. "Denitrifïcations in Sediments from the Hyporheic Zone Adjacent to a Small Forested Stream." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 6 (1990): 1140–47. http://dx.doi.org/10.1139/f90-133.

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Denitrification was assayed by the acetylene blockage technique in hyporheic sediments. Samples were obtained along transects perpendicular to the stream at two sites: (1) the base of a slope dominated by old-growth redwood and (2) the base of a slope dominated by alder regenerating from a clearcut in 1965. Denitrification was evident at in situ nitrate concentrations at all locations tested. Activity was stimulated by nitrate but nitrate plus glucose had no additional effect. Denitrifying potentials increased with increasing distance from the stream channel. Dissolved oxygen was 100% of the c

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3

Paul, J. W., and B. J. Zebarth. "Denitrification and nitrate leaching during the fall and winter following dairy cattle slurry application." Canadian Journal of Soil Science 77, no. 2 (1997): 231–40. http://dx.doi.org/10.4141/s96-052.

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Conditions in soils of south-coastal British Columbia during the fall and winter favor both NO3− leaching and denitrification. Estimates of NO3− leaching were made on a coarse-textured soil having a high water table (Sumas) and a well-drained, medium-textured soil (Agassiz) in each of 1991 and 1992, following application of 0, 300 and 600 kg total N ha−1 as dairy cattle slurry at the end of September. Leaching was calculated by measuring NH4+ and NO3− concentrations biweekly to 90 cm depth and subtracting denitrification losses. Denitrification estimates were made using the acetylene blockage

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Bollmann, Annette, and Ralf Conrad. "Acetylene blockage technique leads to underestimation of denitrification rates in oxic soils due to scavenging of intermediate nitric oxide." Soil Biology and Biochemistry 29, no. 7 (1997): 1067–77. http://dx.doi.org/10.1016/s0038-0717(97)00007-2.

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Gilbert, Y., Y. Le Bihan, and P. Lessard. "Acetylene blockage technique as a tool to determine denitrification potential of a biomass fixed on an organic media treating wastewater." Journal of Environmental Engineering and Science 5, no. 5 (2006): 437–42. http://dx.doi.org/10.1139/s06-025.

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Paul, J. W., and B. J. Zebarth. "Denitrification during the growing season following dairy cattle slurry and fertilizer application for silage corn." Canadian Journal of Soil Science 77, no. 2 (1997): 241–48. http://dx.doi.org/10.4141/s96-051.

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Denitrification losses during the growing season may reduce the availability of manure and fertilizer N for crop production. Denitrification losses were measured during the growing seasons of 1992 and 1993 following spring manure or fertilizer application on a sandy soil with a high water table (Sumas) and a well-drained silt loam soil (Agassiz), both cropped to silage corn (Zeamays L.). Dairy cattle slurry (600 kg total N ha−1) was surface applied and incorporated in April. Ammonium nitrate (200 kg N ha−1) was surface applied at planting in early May. Denitrification rates were measured using

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7

Perron, Isabelle, Athyna N. Cambouris, Bernie J. Zebarth, Philippe Rochette, and Noura Ziadi. "Effect of three nitrogen fertilizer sources on denitrification rate under irrigated potato production on sandy soils." Canadian Journal of Soil Science 99, no. 2 (2019): 117–25. http://dx.doi.org/10.1139/cjss-2018-0150.

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Large inputs of nitrogen (N) are required to optimize yield and quality of potato (Solanum tuberosum L.), and it may result in a high potential for N losses including denitrification. This 5 yr study compared the effect of three N fertilizer sources [ammonium nitrate (AN), ammonium sulfate (AS), and polymer-coated urea (PCU)] at 200 kg N ha−1 (N200) and an unfertilized control (N0) on denitrification rate (DR) from irrigated potato production on a coarse-textured soil in eastern Canada. Fertilizer was banded all at-planting (PCU) or split 40% at-planting and 60% at-hilling (AN and AS). The DR

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8

Bergstrom, D. W., and E. G. Beauchamp. "Relationships between denitrification rate and determinant soil properties under barley." Canadian Journal of Soil Science 73, no. 4 (1993): 567–78. http://dx.doi.org/10.4141/cjss93-056.

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To better understand environmental regulation of denitrification, we examined relationships between denitrification rate and six determinant soil properties: moisture content, air-filled porosity, NO3− content, respiration rate, mineralizable-C concentration and denitrifying enzyme activity (DEA). Soil cores were collected on 27 sampling dates over a growing season at a site seeded to barley (Hordeum vulgare). Denitrification rate was measured using a static core technique and acetylene blockage. Moisture content and air-filled porosity and, to a lesser extent, mineralizable-C concentration an

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Hopkins, M. G., R. J. Spina, and A. A. Ehsani. "Enhanced beta-adrenergic-mediated cardiovascular responses in endurance athletes." Journal of Applied Physiology 80, no. 2 (1996): 516–21. http://dx.doi.org/10.1152/jappl.1996.80.2.516.

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To determine whether the adaptive increase in left ventricular systolic function in the trained state is mediated by enhanced responses to beta-adrenergic stimulation, we studied eight male endurance athletes [age 27 +/- 1.8 yr; maximal O2 uptake (VO2max) 60 +/- 0.9 (SE) ml x kg-1 x min-1] and eight sedentary men (age 27 +/- 1.4 yr; VO2max 43.1 +/- 1.7 ml x kg-1 x min-1). Left ventricular function was evaluated with two-dimensional echocardiography and pulsed Doppler transmitral flow velocity profile in the basal state, after parasympathetic blockade by atropine, and during infusion of dobutam

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Casella, S., C. Leporini, and G. Picci. "Gaseous nitrogen losses from fertilized soil during nitrification and denitrification using the acetylene blockage technique." Biology and Fertility of Soils 2, no. 2 (1986). http://dx.doi.org/10.1007/bf00257581.

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Dissertations / Theses on the topic "Acetylene blockage technique"

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Brodrick, Stephanie J., and n/a. "The influence of secondary treated effluent on denitrification in a natural wetland." University of Canberra. Natural Resources, 1985. http://erl.canberra.edu.au./public/adt-AUC20060613.144624.

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The influence of effluent addition on denitrification potential in the Thredbo Wetland was observed by comparing an area of the wetland receiving secondary treated effluent with another area receiving no effluent addition. Physico-chemical measurements (Eh, pH and temperature) of the soil were conducted in both sampling areas to characterise the denitrifying environment. Levels of nitrate plus nitrite and ammonium ion in the soil from 0-30cm depth were recorded on a seasonal basis to identify the role of effluent addition and vertical distribution of inorganic nitrogen species in controlling t

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Book chapters on the topic "Acetylene blockage technique"

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Rolston, D. E. "Limitations of the Acetylene Blockage Technique for Field Measurement of Denitrification." In Field Measurement of Dinitrogen Fixation and Denitrification. Soil Science Society of America, 2015. http://dx.doi.org/10.2136/sssaspecpub18.c7.

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Keeney, Dennis R. "Critique of the Acetylene Blockage Technique for Field Measurement of Denitrification." In Field Measurement of Dinitrogen Fixation and Denitrification. Soil Science Society of America, 2015. http://dx.doi.org/10.2136/sssaspecpub18.c8.

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