Spatial distribution of total, ammonia-oxidizing, and denitrifying bacteria in biological wastewater treatment reactors for bioregenerative life support

Agriculture & Biology

• denitrifying bacteria 100%
• wastewater treatment 75%
• bioreactors 66%
• ammonia 56%
• spatial distribution 56%
• immobilized cells 32%
• ammonia monooxygenase 21%
• genes 16%
• biofilm 13%
• bacteria 11%
• nitrous-oxide reductase 10%
• ribosomal RNA 9%
• support systems 8%
• Eubacteria 8%
• Firmicutes 7%
• Proteobacteria 7%
• organic carbon 7%
• chemical treatment 7%
• bacterial communities 6%
• drinking water 6%
• microbial communities 6%
• restriction fragment length polymorphism 5%
• inoculum 5%
• testing 5%
• species diversity 5%
• microorganisms 4%
• phylogeny 3%
• water 2%
• sampling 2%

Medicine & Life Sciences

• Waste Water 87%
• Bioreactors 81%
• Ammonia 77%
• Bacteria 45%
• Immobilized Cells 40%
• ammonia monooxygenase 27%
• rRNA Genes 14%
• 16S Ribosomal RNA 14%
• Genes 13%
• nitrous oxide reductase 13%
• Biofilms 13%
• Flexibacter 13%
• Cytophaga 12%
• Life Support Systems 11%
• Mars 10%
• Proteobacteria 9%
• Bacteroides 8%
• Gram-Positive Bacteria 7%
• Orbit 7%
• Drinking Water 6%
• Microbiota 6%
• Carbon 6%
• Restriction Fragment Length Polymorphisms 6%
• Sequence Analysis 6%
• Water 4%
• Costs and Cost Analysis 4%
• Equipment and Supplies 4%
• Population 2%

Earth & Environmental Sciences

• biological waste water treatment 86%
• bioreactor 62%
• ammonia 53%
• spatial distribution 47%
• reactor 46%
• trickling filter 45%
• gene 36%
• cell 16%
• biofilm 12%
• chemical treatment 7%
• polymorphism 7%
• removal 7%
• nitrous oxide 7%
• Mars 6%
• community composition 6%
• microbial community 5%
• phylogenetics 5%
• experiment 5%
• test 5%
• organic carbon 5%
• drinking water 5%
• microorganism 5%
• cost 3%
• water 2%