Results 61 to 70 of about 15,875 (218)
Revue Marocaine des Sciences Agronomiques et Vétérinaires, 2017 The objective of this study is to present a design methodology, carry out economic analysis and evaluate the environmental impact of direct solar cooking systems in Morocco.
Ndiaga MBODJI, Ali HAJJI
doaj
Angewandte Chemie International Edition, EarlyView.The straightforward conversion of alcohols to tertiary or secondary amines employing Nms‐amides in a single operation is described. The transformation features broad functional group tolerance and high stereospecificity, underscoring its utility in the synthesis of isotope‐labeled pharmaceuticals.
Jakub Brześkiewicz +3 more
wiley +1 more source
Pitch-Derived Activated Carbon Fibers for Emission Control of Low-Concentration Hydrocarbon
Nanomaterials, 2019 The unburned hydrocarbon (HC) emissions of automobiles are subject to strong regulations because they are known to be converted into fine dust, ozone, and photochemical smog. Pitch-based activated carbon fibers (ACF) prepared by steam activation can be a
Hye-Min Lee +4 more
doaj +1 more source
Effects of fuel on the performance of miniature vortex combustion power system
Journal of Thermal Science and TechnologyIn this study, characteristics of the miniature vortex combustion power system were investigated with methane, propane, n-butane and i-butane / air mixtures.
Daisuke SHIMOKURI
doaj +1 more source
Geophysical Monograph Series, Page 329-339., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Vladimir Kutcherov +3 more
wiley +1 more source
Raman high-pressure study of butane isomers up to 40 GPa
AIP Advances, 2018 Raman spectroscopy studies on n and i-butane were performed at pressures of up to 40 GPa at ambient temperatures using the DAC technique. Normal butane undergoes two phase transitions at 1.9(5) GPa and 2.9(5) GPa and isobutane at 2.7(5) GPa and 3.5(5 ...
Daniil A. Kudryavtsev +2 more
doaj +1 more source
Hydrocarbon Sorption in Flexible MOFs—Part III: Modulation of Gas Separation Mechanisms
NanomaterialsSingle gas sorption experiments with the C4-hydrocarbons n-butane, iso-butane, 1-butene and iso-butene on the flexible MOFs Cu-IHMe-pw and Cu-IHEt-pw were carried out with both thermodynamic equilibrium and overall sorption kinetics.
Hannes Preißler-Kurzhöfer +6 more
doaj +1 more source
Rotor: Jurnal Ilmiah Teknik Mesin, 2017 Increasing energy consumption causes problems of natural resources, especially fossil energy. Micro Power Generator (MPG) is a technological breakthrough that can help save fossil energy.
Ivan Bagus Sanjaya +2 more
doaj +1 more source
Chemistry – A European Journal, EarlyView.Computational study reveals a two‐step decomposition of alkylcopper complexes into (partially) reduced Cu clusters, proposed as prenucleation species for Cu(0) nanoparticle synthesis. Cu‐hydride intermediates and multinuclear centers lower reaction barriers.
Marina Descoubes, Hélène Gérard
wiley +1 more source
Methods and ProtocolsSteam-assisted gravity drainage (SAGD) is a widely used thermal enhanced oil recovery (EOR) technique in North America, particularly in high-permeability oil sand reservoirs.
Sajjad Esmaeili +3 more
doaj +1 more source