Results 31 to 40 of about 1,348,473 (356)

Optimization for Green Path in Wood Extractives by Taguchi Analysis

Drvna Industrija, 2022
Extractive composition of Pinus pinaster (Maritime pine) wood was studied with choline chloride based deep eutectic solvents (DES). Two different eutectic mixtures (ChCl: Et-Gly; ChCl:Urea 1:2 molar ratio), two different extraction methods (hot water ...
Ayben Kilic-Pekgözlü, Esra Ceylan, Ayhan Gencer, Rifat Kurt   +3 more
doaj   +1 more source

The Urea Carboxylase and Allophanate Hydrolase Activities of Urea Amidolyase Are Functionally Independent [PDF]

, 2016
Urea amidolyase (UAL) is a multifunctional biotin-dependent enzyme that contributes to both bacterial and fungal pathogenicity by catalyzing the ATP-dependent cleavage of urea into ammonia and CO2.
Bahler, Baker, Balotra, Bratlie, Chapman-Smith, Chen, Chen, Cheng, Dumetz, Fan, Fan, Geck, Ghosh, Greenberg, Hettwer, Huang, Ianeselli, James, Kaessmann, Kanamori, Kanamori, Khosla, Kimura, Koonin, Kotlyar, Kozer, Kulkarni, Kulkarni, Kuriyan, Lawrence, Lherbet, Lietzan, Lin, Lorenz, Marsh, Moxley, Navarathna, Navarathna, Ribeiro, Shapir, Shapir, Singh, Spivey, Strope, Thanabalu, Thoden, Thompson, Whitney, Zeczycki   +48 more
core   +2 more sources

A urea precursor to synthesize carbon nitride with mesoporosity for enhanced activity in the photocatalytic removal of phenol [PDF]

, 2012
A urea precursor was used for the first time to prepare mesoporous carbon nitride (MCN) by a thermal polymerization process with silica nanospheres as a hard template.
Leny Yuliati, Leny Yuliati, Lintang, Hendrik Oktendy, Shu, Chin Lee   +2 more
core   +1 more source

Épocas e formas de aplicação de nitrogênio no milho sob plantio direto em solo de cerrado Timing and methods of nitrogen application to no-tillage corn on cerrado soil

Revista Brasileira de Ciência do Solo, 2005
O nitrogênio é o nutriente mineral requerido em maior quantidade pelo milho e o que mais influencia a produtividade de grãos. Com o objetivo de avaliar a melhor época e forma de aplicação do N na cultura do milho no sistema plantio direto, em solo de ...
Edson Cabral da Silva, Silvio Marcos Ferreira, Gilson Pereira Silva, Renato Lara de Assis, Geovane Lima Guimarães   +4 more
doaj   +1 more source

Ethyl carbamate formation in sub-optimal wine storage conditions and influence of the yeast starter

OENO One, 2013
Aim: To evaluate the potential risk of ethyl carbamate (EC) formation in wine by studying its production kinetics at sub-optimal storage temperatures. Methods and results: The kinetics of EC formation was investigated in 60 white wines obtained from 6 ...
Roberto Larcher, Sergio Moser, Ainhoa Usua Menolli, Loris Tonidandel, Giorgio Nicolini   +4 more
doaj   +1 more source

Splanchnic metabolism of nutrients and hormones in steers fed alfalfa under conditions of increased absorption of ammonia and L-arginine supply across the portal-drained viscera [PDF]

, 2005
Effects of increased ammonia and/or arginine absorption on net splanchnic (portal-drained viscera [PDV] plus liver) metabolism of nonnitrogenous nutrients and hormones in cattle were examined.
Assan, Bergman, Bruggemann, C. K. Reynolds, Chalupa, D. E. Beever, Davenport, Davenport, Demigne, Elsasser, Fernandez, Gow, Hammerman, Huntington, Krebs, Kuhara, Lobley, Lobley, M. A. Lomax, Maltby, Meijer, Milano, Morgan, Newsholme, Prior, Prior, Reynolds, Reynolds, Reynolds, Reynolds, Reynolds, Reynolds, Reynolds, Reynolds, S. A. Maltby, Seal, Spires, Taniguchi, Titheradge, Tyrrell, Vicini, Visek, Waterlow   +42 more
core   +1 more source

Sequential co-reduction of nitrate and carbon dioxide enables selective urea electrosynthesis

Nature Communications
Electrochemical co-reduction of nitrate and carbon dioxide is a promising approach for urea synthesis. Here, the authors report a sequential co-reduction strategy for catalyst design that can dynamically adjust the competition between the two reduction ...
Yang Li, Shisheng Zheng, Hao Liu, Qi Xiong, Haocong Yi, Haibin Yang, Zongwei Mei, Qinghe Zhao, Zu-Wei Yin, Ming Huang, Yuan Lin, Wei‐Hong Lai, S. Dou, Feng Pan, Shunning Li   +14 more
semanticscholar   +1 more source

Response of early soybean cultivars to nitrogen fertilization associated with Bradyrhizobium japonicum inoculation

Pesquisa Agropecuária Tropical, 2018
In early soybean cultivars of high productive potential, the use of chemical nitrogen (N) fertilizer may be a critical factor to meet the crop N requirements for obtaining high yields.
Alan Mario Zuffo, Fábio Steiner, Aécio Busch, Tiago Zoz   +3 more
doaj   +1 more source

Reduced Reactivity of Amines against Nucleophilic Substitution via Reversible Reaction with Carbon Dioxide

Molecules, 2015
The reversible reaction of carbon dioxide (CO2) with primary amines to form alkyl-ammonium carbamates is demonstrated in this work to reduce amine reactivity against nucleophilic substitution reactions with benzophenone and phenyl isocyanate.
Fiaz S. Mohammed, Christopher L. Kitchens   +1 more
doaj   +1 more source

Crystallographic investigation into the self-assembly, guest binding, and flexibility of urea functionalised metal-organic frameworks [PDF]

, 2017
Introduction of hydrogen bond functionality into metal-organic frameworks can enhance guest binding and activation, but a combination of linker flexibility and interligand hydrogen bonding often results in the generation of unwanted structures where the ...
Forgan, Ross S., Marshall, Ross J., McGuire, Jake, Wilson, Claire   +3 more
core   +1 more source