Results 21 to 30 of about 1,298,773 (390)
Reduction of nitrogen oxides by injection of urea in the freeboard of a pilot scale fluidized bed combustor [PDF]
, 1989 The ‘thermal deNOx’ process using urea has been investigated in a 1 MW fluidized bed combustor. NOx reductions of up to 76% were obtainable by using this method. The experimental results show that urea is at least as active as NH3, which is commonly used
Bramer, Eduard A. +2 more
core +3 more sources
Influence of ruminal degradable intake protein restriction on characteristics of digestion and growth performance of feedlot cattle during the late finishing phase. [PDF]
, 2014 Two trials were conducted to evaluate the influence of supplemental urea withdrawal on characteristics of digestion (Trial 1) and growth performance (Trial 2) of feedlot cattle during the last 40 days on feed.
Calderon, Jose F +7 more
core +1 more source
Urea-induced denaturation of PreQ1-riboswitch [PDF]
, 2013 Urea, a polar molecule with a large dipole moment, not only destabilizes the folded RNA structures, but can also enhance the folding rates of large ribozymes.
Hyeon, Changbong +2 more
core +2 more sources
Revista Eco-Pós, 2009 As ciências políticas e os estudos das democracias se referem frequentemente à liberdade de imprensa e à liberdade de expressão como variáveis a serem consideradas nos estudos das democracias contemporâneas, ou mesmo indicadores da existência de ...
ÃÂurea Maria da Rocha Pitta
doaj +1 more source
The electrophoresis of transferrins in urea/polyacrylamide gels [PDF]
, 1980 The denaturation of transferrin by urea has been studied by (a) electrophoresis in polyacrylamide gels incorporating a urea gradient, (b) measurements of the loss in iron-binding capacity and (c) u.v. difference spectrometry. In human serum transferrin
Evans, RW, Williams, J
core +2 more sources
Deliquescence in Urea and Methyl-ureas [PDF]
Nature, 1940 A COMMUNICATION in NATURE from E. A. Werner1 directed attention to the deliquescence of urea and to the paucity of data concerning the vapour pressures of saturated solutions of urea and its derivatives, apart from the few observations of Adam and Metz2, and Edgar and Swan3.
openaire +2 more sources
Relationships between Circulating Urea Concentrations and Endometrial Function in Postpartum Dairy Cows [PDF]
, 2015 Both high and low circulating urea concentrations, a product of protein metabolism, are associated with decreased fertility in dairy cows through poorly defined mechanisms.
Bekana +23 more
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Molecular Genetics and Metabolism Reports, 2016 Patients and families living with metabolic disorders face challenging dietary and drug treatment regimens. On the hypothesis that poor palatability, volume and frequency of drug/formula administration contribute to treatment non-adherence and ...
Oleg A. Shchelochkov +5 more
doaj +1 more source
A direct urea fuel cell - power from fertiliser and waste [PDF]
, 2010 For the first time, a working direct urea and direct urine fuel cell has been developed to generate electricity directly from urea or ...
Bashyam +28 more
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Aqueous Urea Solutions: Structure, Energetics, and Urea Aggregation [PDF]
The Journal of Physical Chemistry B, 2007 Urea is ubiquitously used as a protein denaturant. To study the structure and energetics of aqueous urea solutions, we have carried out molecular dynamics simulations for a wide range of urea concentrations and temperatures. The hydrogen bonds between urea and water were found to be significantly weaker than those between water molecules, which drives ...
Stumpe, M., Grubmueller, H.
openaire +5 more sources