Results 61 to 70 of about 1,918,798 (195)

Effect of combined nitrogen on symbiotic nitrogen fixation in pea plants [PDF]

open access: yes, 1979
The nitrogen-fixing activity of the symbiotic system of Pisum sativum with Rhizobium leguminosarum is adversely affected by combined nitrogen. Both ammonium chloride and potassium nitrate, when added to the roots, lower the nitrogenase activity ...
Houwaard, F.
core  

Ammonium chloride mediated reduction of azo compounds to hydrazo compounds

open access: yes, 2004
The reduction of azo compounds with magnesium powder as catalyst in the presence of ammonium chloride at room temperature in methanol leads to hydrazo ...
Chenne Gowda, D.   +5 more
core   +1 more source

Producing Novel Fibrinolytic Isoindolinone Derivatives in Marine Fungus Stachybotrys longispora FG216 by the Rational Supply of Amino Compounds According to Its Biosynthesis Pathway

open access: yesMarine Drugs, 2017
Many fungi in the Stachybotrys genus can produce various isoindolinone derivatives. These compounds are formed by a spontaneous reaction between a phthalic aldehyde precursor and an ammonium ion or amino compounds.
Ying Yin   +5 more
doaj   +1 more source

Thermal decomposition of ammonium uranates

open access: yes, 1973
Thermal decomposition of ammonium uranates in various atmospheres was studied using thermogravimetric analysis, differential thermogravimetric analysis, differential thermal analysis and infra-red spectrophotometry.
Stuart, WI, Price, GH
core  

Antimicrobial effect of quaternary ammonium compounds [PDF]

open access: yes, 2011
Petra Molnárová Antimicrobial effect of quaternary ammonium compounds Bachelor thesis Charles University in Prague, Faculty of Pharmacy in Hradec Králové Healthcare bioanalytics/Medical Laboratory Technician This bachelor thesis deals with the detection ...
Molnárová, Petra
core  

Interaction ammonium-nitrate: Response to oxidative stress in chicory plants [PDF]

open access: yes, 2010
The aim of this work was to study, as a function of the different availability of nitrogen in the reduced form, mineral and organic, the induction of the synthesis of some ROS-scavenging molecules and the evolution of some enzymatic activities such as ...
Adalgisa Belligno   +2 more
core   +1 more source

Protocol for aqueous synthesis of bioactive quaternary ammonium betaine derivatives under blue LED

open access: yesSTAR Protocols
Summary: 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

A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles [PDF]

open access: yes, 2003
Colberg CA, Luo BP, Wernli H, Koop T, Peter T. A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles. ATMOSPHERIC CHEMISTRY AND PHYSICS.
Wernli, H.   +4 more
core   +1 more source

SOLUBILIZAREA CARBONAŢILOR METALELOR GRELE CU COMPUŞI AI AMONIULUI DIN SOLUŢII APOASE

open access: yesStudia 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  

Evaluation Of Combustion Processes For Production Of Feedstock Chemicals From Ammonium Sulfate Andammonium Bisulfate

open access: yes, 2007
Key words: combustion, ammonium sulfate, ammonium bisulfate, sulfur species Copyright 2000 Kansas State University during these processes are depicted in Equations 1--3.
Ammonium Sulfate   +2 more
core  

Home - About - Disclaimer - Privacy