Results 81 to 90 of about 448,504 (204)
SOLUBILIZAREA CARBONAŢILOR METALELOR GRELE CU COMPUŞI AI AMONIULUI DIN SOLUŢII APOASE
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, 2015 Compuşii azotului amoniacal expun carbonaţii metalelor grele degradării chimice; ca rezultat, metalele solubilizate sunt spălate în apele naturale, poluându-le.
Elena MOŞANU +2 more
doaj
Protocol for aqueous synthesis of bioactive quaternary ammonium betaine derivatives under blue LED
STAR ProtocolsSummary: Quaternary ammonium compounds exhibit diverse applications as antibiotics, as surfactants, in paper industries, in sewage treatment, and in aquaculture.
Suchismita Rath, Subhabrata Sen
doaj +1 more source
Recent advances in exploring physiology and biodiversity of ectomycorrhizas highlight the functioning of these symbioses in ecosystems [PDF]
, 2000 Ectomycorrhizas, the dominating mycorrhizal symbiosis in boreal, temperate and some tropical forests, are formed by 5000-6000 species of the asco- and basidiomycetes.
Buscot, François +5 more
core +1 more source
A mathematical model of bacteria capable of complete oxidation of ammonium predicts improved nitrogen removal and reduced production of nitrous oxide [PDF]
, 2017 The removal of excess nutrients from water ecosystems requires oxidation of toxic ammonium by two types of bacteria; one oxidizes ammonium to nitrite and the other oxidizes nitrite to nitrate.
Ebenhöh, Oliver, Pokhilko, Alexandra
core
Acta Scientiarum Polonorum: Hortorum Cultus, 2010 The aim of this research was to determine the influence of various forms, diverse doses, and methods of application of nitrogen fertilizers and foliar nutrition on the concentration of soluble sugars, ascorbic acid and phenolic compounds in cabbage. The
Włodzimierz Sady +2 more
doaj
Quaternary Ammonium Compounds and Their Composites in Antimicrobial Applications
Advanced Materials InterfacesQuaternary ammonium compounds (QACs) are well‐known for their antimicrobial properties, but their widespread use is limited due to suboptimal antimicrobial efficiency and safety concerns.
Yining Yao +4 more
doaj +1 more source
Secondary aerosol formation from atmospheric reactions of aliphatic amines [PDF]
, 2007 Although aliphatic amines have been detected in both urban and rural atmospheric aerosols, little is known about the chemistry leading to particle formation or the potential aerosol yields from reactions of gas-phase amines.
Chhabra, P. +9 more
core +3 more sources
Repeated pulse feeding induces functional stability in anaerobic digestion [PDF]
, 2013 Anaerobic digestion is an environmental key technology in the future bio-based economy. To achieve functional stability, a minimal microbial community diversity is required. This microbial community should also have a certain “elasticity”, i.e.
Aiyuk +29 more
core +1 more source
Studia Universitatis Babes-Bolyai Chemia, 2016 High concentrations of nitrogen compounds in drinking water may cause negative health effects. The aim of the present study was to assess the content of nitrogen compounds namely, nitrates, nitrites and ammonium in drinking waters from Medias region ...
Maria-Alexandra RESZ (HOAGHIA) +5 more
doaj
Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2015 BACKGROUND AND OBJECTIVE: Leachate, which contains large amounts of ammonium and hazardous organic compounds, can lead to the pollution of surface water and groundwater consequently, leachate collection and treatment are essential before discharge into ...
M Tahmasbizadeh +6 more
doaj