Results 21 to 30 of about 333,470 (211)

Factors Influencing the Enhancement of Energy Efficiency in the Oil and Gas Industry [PDF]

MATEC Web of Conferences, 2019
In Romania, major focus and interest are currently expressed for the energy strategies domain. The increase of the energetic efficiency is therefore a main concern for the authorities.
Suditu Silvian, Stoica Monica Emanuela, Cristescu Tudora   +2 more
doaj   +1 more source

Hydrogen–Natural Gas Blending in Distribution Systems—An Energy, Economic, and Environmental Assessment

Energies, 2022
Taking into account the international policies in the field of environmental protection in the world in general, and in the European Union in particular, the reduction of greenhouse gas (GHG) emissions, and primarily of carbon dioxide, has become one of ...
Adrian Neacsa, Cristian Nicolae Eparu, Doru Bogdan Stoica   +2 more
doaj   +1 more source

Gas Losses in the Distribution Networks: An Interdisciplinary Analysis

Energies, 2022
This work focuses on a very important and current problem in the gas field: gas losses in natural gas distribution networks and their impact on the environment, as well as on the company operating the network.
Cristian Nicolae Eparu, Adrian Neacsa, Doru Bogdan Stoica   +2 more
doaj   +1 more source

Hydrogen–Natural Gas Mix—A Viable Perspective for Environment and Society

Energies, 2023
The increase in demand, and thus the need to lower its price, has kept C-based fuels as the main source. In this context, the use of oil and gas has led to increased climate change, resulting in greenhouse gases. The high percentage of eissions, over 40%,
Adrian Neacsa, Cristian Nicolae Eparu, Cașen Panaitescu, Doru Bogdan Stoica, Bogdan Ionete, Alina Prundurel, Sorin Gal   +6 more
doaj   +1 more source

Correlation of Gas Quality with Hydrodynamic Parameters in Transmission Networks [PDF]

MATEC Web of Conferences, 2019
Natural gases are a mixture of hydrocarbons. Their composition determines the basic variables that need to be taken into account in the calculation of transport or gathering systems.
Eparu Cristian Nicolae, Neacsu Sorin, Neacsa Adrian   +2 more
doaj   +1 more source

The study of the lining layer abrasing wear in the semi-autogenous grinding mill [PDF]

E3S Web of Conferences, 2020
In this work complex investigations of the abrasing wear of lining of self-grinding mills (semiautogenous grinding mills) are carried out with the obtaining of mathematical models of wear-abrasing of elevators in terms of height, weight, volume and worn ...
Sokur Mykola, Biletskyi Volodymyr, Fyk Mykhailo, Fyk Oleksandr, Zaselskiy Igor   +4 more
doaj   +1 more source

Novel use of stir bar sorptive extraction (SBSE) as a tool for isolation of oviposition site attractants for gravid Culex quinquefasciatus [PDF]

, 2009
Mosquitoes such as Culex quinquefasciatus Say (Diptera: Culicidae) are important vectors of organisms that cause disease in humans. Research into the development of effective standardized odour baits for blood-fed females (oviposition attractants), to ...
Cameron, M. M., Pates, H., Pickett, JA, Mawa, K., Cameron, M., Birkett, M. A., Birkett, M., Logan, J., Rwegoshora, R., Tungu, PK, Rwegoshora, R. T., Pates, H. V., Pickett, J. A., Birkett, MA, Mawa, K, Carson, Connor, Logan, J. G., Pickett, J. A. (John A.), Tungu, P. K., Birkett, Michael Alexander, Rwegoshora, RT, Cameron, MM, Pickett, J., Carson, C., Pates, HV, Carson, C, Tungu, P., Logan, JG   +27 more
core   +1 more source

A REVIEW OF HYDROGEN STORAGE IN GEOLOGICAL FORMATIONS [PDF]

Romanian Journal of Petroleum & Gas Technology
This review presents a thorough analysis of the technical, geological, and economic aspects of Underground Hydrogen Storage (UHS), positioning it as a key enabler for large-scale deployment of clean hydrogen supply chains.
Rami Doukeh, Alexandra Mohanu, Daniel Nereamza, Iuliana Cristea, Mihai Adrian Albulescu, Timur-Vasile Chiș   +5 more
doaj   +1 more source

Analysis of Dynamical Heat Conductivity of the Reservoir and Fluid Evacuation Zone on the Gas Condensate Well Flow Rate

J, 2020
This study shows that the thermal conductivity of the rock borehole adjacent to the wells varies depending on the operation of the well. This is due to the fact that the actual temperature and temperature difference affect the humidity and other thermal ...
Kouadio Fabrice Anzian, Mykhailo Illich Fyk, Al-Sultan Mohammed Bassam, Mohammed Khaleel Abbood, Haval Mohammed Abdullatif, Yevhen Alexender Shapchenko   +5 more
doaj   +1 more source

Influence of pretreatments for extraction of lipids from yeast by using supercritical carbon dioxide and ethanol as cosolvent [PDF]

, 2011
Saccharomyces cerevisiae is one of the most studied and industrially exploited yeast. It is a non-oleaginous yeast whose lipids are mainly phospholipids.
Camy, S., Hegel, Pablo Ezequiel, P. Destrac, Destrac, Philippe, Destrac, P., P.E. Hegel, S. Camy, Camy, Séverine, Hegel, Pablo Ezguiel, Condoret, J. S., J.S. Condoret, Condoret, Jean-Stéphane   +11 more
core   +1 more source