Results 261 to 270 of about 28,148 (307)
, 2004 Some of the next articles are maybe not open access.
Related searches:
Related searches:
2011
Abstract Over the past 15 years, the use of modern molecular biological approaches has radically advanced our understanding of nitrification processes. With chapters contributed by leading experts in the field, Nitrification fully reviews all the latest research findings on microbes involved in conventional aerobic nitrification ...
+7 more sources
Abstract Over the past 15 years, the use of modern molecular biological approaches has radically advanced our understanding of nitrification processes. With chapters contributed by leading experts in the field, Nitrification fully reviews all the latest research findings on microbes involved in conventional aerobic nitrification ...
+7 more sources
Archaeal nitrification without oxygen
Science, 2022The single-cell organism can self-produce oxygen for ammonia ...
Willm, Martens-Habbena, Wei, Qin
openaire +2 more sources
Plant influence on nitrification
Biochemical Society Transactions, 2011Modern agriculture has promoted the development of high-nitrification systems that are susceptible to major losses of nitrogen through leaching of nitrate and gaseous emissions of nitrogen oxide (NO and N2O), contributing to global warming and depletion of the ozone layer.
Marcin W, Skiba +3 more
openaire +2 more sources
Archiv f�r Mikrobiologie, 1960
1. Nitrifying fungi were isolated from soil and were found to belong to the genera Aspergillus and Penicillium. 2. While the Aspergillus-isolates produced both nitrite and nitrate, the penicillia were observed to produce only nitrate from nitrite.
T S, HORA, M R, IYENGAR
openaire +2 more sources
1. Nitrifying fungi were isolated from soil and were found to belong to the genera Aspergillus and Penicillium. 2. While the Aspergillus-isolates produced both nitrite and nitrate, the penicillia were observed to produce only nitrate from nitrite.
T S, HORA, M R, IYENGAR
openaire +2 more sources
Canadian Journal of Microbiology, 1990
Complete oxidation of ammonia nitrogen (~1000 mg/L) to nitrite was observed in stabilized swine waste after 49 days in incubation at 400 rpm and 29 °C, only if 10% (v/v) activated sludge from a wastewater treatment unit and 1.5% (w/v) CaCO3, were added.
M, Blouin +3 more
openaire +2 more sources
Complete oxidation of ammonia nitrogen (~1000 mg/L) to nitrite was observed in stabilized swine waste after 49 days in incubation at 400 rpm and 29 °C, only if 10% (v/v) activated sludge from a wastewater treatment unit and 1.5% (w/v) CaCO3, were added.
M, Blouin +3 more
openaire +2 more sources
Nitrification in Paleocene Shale
Science, 1974Exchangeable ammonium nitrogen is present in Paleocene (Fort Union) shale below a depth of 10 meters in North Dakota and eastern Montana. Above 10 meters, exchangeable ammonium nitrogen is nitrified in situ. The lack of viable nitrifying organisms and the probable lack of oxygen prevent in situ nitrification below 10 meters.
J F, Power +3 more
openaire +2 more sources
Kinetics of biofilm nitrification
Biotechnology and Bioengineering, 1982AbstractThe reaction rates (r and r) in the two‐step nitrification reaction were measured in a fluidized‐sand‐bed biofilm reactor under a range of steady‐state conditions with respect to bulk NH, NO, and O2 concentrations. It was shown from theory and experiment that under low NH concentration conditions, if the O2/NH concentration ratio in the bulk ...
H, Tanaka, I J, Dunn
openaire +2 more sources
Enrichment of high activity nitrifers to enhance partial nitrification process
Bioresource Technology, 2010Partial nitrification (PN) process is an essential pre-treatment to Anammox process for nitrogen removal from ammonium-rich wastewaters. High activity nitrifiers (HANs) are considered as the key to high-rate PN process. The HANs could be successfully enriched at free ammonia (FA) concentrations of 10-20 mg NH(3)-NL(-1), which differed significantly ...
Jianwei, Chen +4 more
openaire +2 more sources
Nitrification potential curves: a new strategy for nitrification prevention
Journal AWWA, 2005In this article, nitrification potential curves are introduced as a possible operational strategy to prevent nitrification in chloraminated distribution systems. Nitrification potential curves are constructed based on the parameters that define growth and inactivation kinetics of ammoniaoxidizing bacteria in environments that contain chloramine and ...
Kala K. Fleming +2 more
openaire +1 more source