Results 21 to 30 of about 91,463 (274)

Hydrazones as Singular Reagents in Asymmetric Organocatalysis [PDF]

, 2016
This Minireview summarizes strategies and developments regarding the use of hydrazones as reagents in asymmetric organocatalysis, their distinct roles in nucleophile–electrophile, cycloaddition, and cyclization reactions.
Fernández Fernández, Rosario Fátima, Lassaletta, José M., Matador Martínez, Esteban, Monge Fernández, David, Retamosa Hernández, María Gracia   +4 more
core   +1 more source

Use of acids as additives in sugarcane silage

Revista Colombiana de Ciencias Pecuarias, 2015
Background: sugarcane silage often becomes a problem for the producers due to its high population of yeast and its high content of soluble carbohydrates.
Eric HCB van Cleef, Anibal C Rêgo, René M Patiño, Flavia O Scarpino van Cleef, Jane MB Ezequiel   +4 more
doaj   +1 more source

Insights on Molecular Characteristics of Hydrochars by ¹³C-NMR and Off-Line TMAH-GC/MS and Assessment of Their Potential Use as Plant Growth Promoters

Molecules, 2021
Hydrochar is a carbon-based material that can be used as soil amendment. Since the physical-chemical properties of hydrochar are mainly assigned to process parameters, we aimed at evaluating the organic fraction of different hydrochars through 13C-NMR ...
Laís G. Fregolente, João Vitor dos Santos, Giovanni Vinci, Alessandro Piccolo, Altair B. Moreira, Odair P. Ferreira, Márcia C. Bisinoti, Riccardo Spaccini   +7 more
doaj   +1 more source

Adsorption Behaviour of [(4-Hydroxy-6-methyl-2-oxo-2Hpyran- 3-yl)-(4-methoxy-phenyl)-1methyl]-urea on Stainless Steel in Phosphoric Media [PDF]

, 2009
The adsorption of [(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)-(4-methoxy-phenyl)- methyl]-urea on iron in phosphoric media was studied by using electrochemical technique. The adsorption mechanism was investigated using adsorption isotherms.
Ajanaku, K. O., Ajani, Olayinka O., James, O. O., John, M. O., Ogunniran, K. O.   +4 more
core   +3 more sources

Inhibitors of lipid phosphatidate receptors: N-palmitoyl-serine and N-palmitoyl-tyrosine phosphoric acids

Journal of Lipid Research, 1996
An improved synthesis of two lipid phosphoric acids, N-palmitoyl-L-serine phosphoric acid (NP-Ser-PA) and N-palmitoyl-L-tyrosine phosphoric acid (NP-Tyr-PA), from the benzyl esters of L-serine and L-tyrosine is described.
R Bittman, B Swords, K Liliom, G Tigyi
doaj   +1 more source

Dialkyldithiophosphate Acids (HDDPs) as Effective Lubricants of Sol–Gel Titania Coatings in Technical Dry Friction Conditions [PDF]

, 2011
The goal of this study was the investigation of the effectiveness of dialkyldithiophosphate acids (HDDPs) films in improving the tribological properties of thin, sol– gel derived titania coatings.
AM Barnes, Aneta Kisielewska, Ch McFadden, CJ Oss Van, D Brovelli, E Travers, ES Yamaguchi, ES Yamaguchi, GC Smith, H Onoe, H Spikes, I Piwoński, I Piwoński, Ireneusz Piwoński, JF Graham, K Ito, M Textor, MA Nicholls, MM Yusuf, NE Gallopoulos, R Hofer, SM Hsu, X Marguerettaz, Y Chen, Y-R Li   +24 more
core   +1 more source

Jhamarkotra phosphate ore processing plant [PDF]

, 2009
: Low grade phosphate ore of Jhamarkotra that analyzes 16.5% P~2~O~5~ is upgraded to 34% P~2~O~5~ by a two stage flotation process after size reducing the ore to 90% passing through 200mesh using conventional equipment such as jaw and cone crushers ...
C.L Jain, Sekhar Dmr
core   +2 more sources

Electro Polymerization of Polypyrrole Coatings Doped with Different Proton Acids for Corrosion Protection of 304 Stainless Steel

MATEC Web of Conferences, 2017
Polypyrrole (PPY) coatings doped with sulphuric, oxalic and phosphoric acid were prepared on 304 stainless steel (304SS) by electropolymerization. Surface morphology and anti-corrosive performance of the polymer film was investigated by scanning electron
Jiang Li, Ma Haibo, Zhang Jiaqi, Lu Yu, Lu Hongbin, Meng Xiangkang   +5 more
doaj   +1 more source

Temperature Effects on Adsorption Rate for Azo Dye Removal From Textile Waste Water Using Activated Bentonite Clay

NUST Journal of Engineering Sciences, 2019
Waste water from the textile industry is one of the major sources of contamination causing serious health problems. In textile waste water, dyes are the main pollutant.
Atif Khan, Syed Hassan Javed Naqvi, Shabana Afzal, Faisal Rehman, Abdul Rehman   +4 more
doaj   +1 more source

Role of the reversible electrochemical deprotonation of phosphate species in anaerobic biocorrosion of steels [PDF]

, 2007
Sulphate reducing bacteria are known to play a major role in anaerobic microbiological influenced corrosion of steels, but mechanisms behind their influence are still source of debates as certain phenomena remain unexplained.
Alain Bergel, Albery, Angell, Beech, Belay, Brennenstuhl, Bryant, Canhoto, Chan, Chen, Ciszkowska, Crolet, Crolet, Da Silva, Da Silva, Da Silva, Daniele, Daniele, Daniele, Daniele, Daniele, Fonseca, Hamilton, Hamilton, Harms, Hernández Gayosso, Heyrovsky, Iverson, King, King, Lee, Lee, Lee, Leonardo De Silva Muñoz, Marinović, Marinović, Mc Leod, Molina, Nielsen, O’Neil, Pankhania, Rajagopal, Rao, Régine Basséguy, Sand, Santana Rodríguez, Stojek, Takehara, Videla, Von Wolzogen Kühr, Yang, Yashiro, Yu, Yu   +53 more
core   +3 more sources