Results 31 to 40 of about 280,648 (303)

Coating of upconversion nanoparticles with silica nanoshells of 5–250 nm thickness [PDF]

, 2019
A concept for the growth of silica shells with a thickness of 5–250 nm onto oleate-coated NaYF4:Yb3+/Er3+ upconversion nanoparticles (UCNP) is presented. The concept enables the precise adjustment of shell thicknesses for the preparation of thick-shelled
Graf, Christina, Kembuan, Cynthia, Resch-Genger, Ute, Rühle, Bastian, Saleh, Maysoon   +4 more
core   +1 more source

Toward Reliable FOWT Modeling: A New Calibration Approach for Extreme Environmental Loads

Energies
The current paper presents a comparative analysis between a high-fidelity simulation tool and computational fluid dynamics (CFD) in evaluating the behavior of a fully coupled floating offshore wind turbine (FOWT) system subjected to three distinct design
Ho-Seong Yang, Ali Alkhabbaz, Young-Ho Lee   +2 more
doaj   +1 more source

Ammonia (J,K) = (1,1) to (4,4) and (6,6) inversion lines detected in the Seyfert 2 galaxy NGC 1068

, 2011
We present the detection of the ammonia (NH3) (J,K) = (1,1) to (4,4) and (6,6) inversion lines toward the prototypical Seyfert 2 galaxy NGC 1068, made with the Green Bank Telescope (GBT). This is the first detection of ammonia in a Seyfert galaxy.
A. Weiß, Antonucci, Bourke, C. Henkel, Ceccarelli, Dahmen, Danby, Downes, Gao, Guesten, Henkel, Henkel, Henkel, Ho, J. A. Braatz, K. M. Menten, Kaneko, Lutz, Martin, Mauersberger, Meier, Ott, Ott, Pillai, Poncelet, Raban, Ricci, S. Mühle, Schinnerer, Suto, Takano, Takano, Tieftrunk, Tomono, Walmsley, Weiß, Wilson, Y. Ao   +37 more
core   +1 more source

Carbon dioxide electrochemical reduction by copper nanoparticles/ionic liquid-based catalytic inks

Frontiers in Environmental Chemistry
The development of copper nanoparticle (CuNP)-based catalysts for the electrochemical reduction of carbon dioxide (ECO2-R) offers a promising approach to enhance its transformation into other industrially significant compounds.
Valeria Gazzano, Valeria Gazzano, Elías Mardones-Herrera, Elías Mardones-Herrera, Natalia Sáez-Pizarro, Francisco Armijo, Francisco Armijo, Francisco Martinez-Rojas, Francisco Martinez-Rojas, Domingo Ruiz-León, Jessica Honores, Jessica Honores, Mauricio Isaacs, Mauricio Isaacs   +13 more
doaj   +1 more source

Renewable-based zero-carbon fuels for the use of power generation: A case study in Malaysia supported by updated developments worldwide

Energy Reports, 2021
The existing combustion-centered energy mix in Malaysia has shown that replacing fossil fuels with zero-carbon alternative fuels could be a better approach to achieve the reduction of the carbon footprint of the power generation industry.
Mohammad Nurizat Rahman, Mazlan Abdul Wahid   +1 more
doaj   +1 more source

First Results from a 1.3 cm EVLA Survey of Massive Protostellar Objects: G35.03+0.35

, 2011
We have performed a 1.3 centimeter survey of 24 massive young stellar objects (MYSOs) using the Expanded Very Large Array (EVLA). The sources in the sample exhibit a broad range of massive star formation signposts including Infrared Dark Clouds (IRDCs ...
Brogan, C. L., Chandler, C. J., Cyganowski, C. J., Friesen, R. K., Hunter, T. R., Indebetouw, R.   +5 more
core   +1 more source

Absorbance based light emitting diode optical sensors and sensing devices [PDF]

, 2008
The ever increasing demand for in situ monitoring of health, environment and security has created a need for reliable, miniaturised sensing devices. To achieve this, appropriate analytical devices are required that possess operating characteristics of ...
Acharya, Andrew, Anfalt, Barron, Beach, Benson, Berry, Betteridge, Betteridge, Betteridge, Betteridge, Blundell, Boring, Bowden, Cantrell, Cardoso, Carroll, Chapin, Chediak, Chen, Clinch, Collins, Collins, Collins, Dasgupta, Dasgupta, Dasgupta, Dasgupta, David, Daykin, Deng, Dermot Diamond, Diamond, Diamond, Dong, Dybko, Eiichi, Ellis, Eom, Feres, Ferrer, Firstenberg-Eden, Flaschka, Fonseca, Fonseca, Freeman, Galanis, Gardolinski, Gotz, Greenway, Gros, Gros, Gros, Hauser, Hauser, Hauser, Hauser, Higgins, Ho, Holonyak, Hooley, Huang, Ichikawa, Jambunathan, Johns, Johnson, Kawamura, King, Koch, Kovac, Kuban, Kuo, Lau, Lau, Lau, Lau, Lau, Lee, Li, Liu, Liu, Liu, Liu, Lu, Lu, Lyddy-Meaney, Marle, Martina O’Toole, Matias, Mims, Mims, Mitrani, O'Toole, O'Toole, O'Toole, Pacquit, Pacquit, Park, Petsul, Rainelli, Ramırez-Garcıa, Ramirez-Garcia, Riley, Rocha, Samanta, Santos, Schawarz, Schmidt, Schmidt, Schnable, Schrodle, Sequeira, Sequeira, Singh, Smardzewski, Smiddy, Sombatsompop, Sonne, Suzuki, Suzuki, Taib, Tan, Taniyasu, Teshima, Toda, Trojanowicz, Trojanowicz, Trojanowicz, Tubino, Tubino, Vachirapatama, White, Worsfold, Yamada, Yang, Zagatto, Zhang, Zude, Zukauskas   +138 more
core   +3 more sources

A Critical Assessment of Green Ammonia Production and Ammonia Production Technologies [PDF]

Kemija u industriji : Časopis kemičara i kemijskih inženjera Hrvatske, 2022
Greenhouse gas emissions in industrial raw material production significantly reduce the global air quality, which directly affects the quality of life. In order to reduce greenhouse gas emissions, it is seen that country administrations encourage the development of industrial production processes according to regulations and laws.
openaire   +2 more sources

Green Hydrogen Production Technologies from Ammonia Cracking

Energies, 2022
The rising technology of green hydrogen supply systems is expected to be on the horizon. Hydrogen is a clean and renewable energy source with the highest energy content by weight among the fuels and contains about six times more energy than ammonia ...
Hossein Ali Yousefi Rizi, Donghoon Shin
doaj   +1 more source

Synthesis and methane cracking activity of a silicon nitride supported vanadium nitride nanoparticle composite [PDF]

, 2017
The co-ammonolysis of V(NMe2)4 and Si(NHMe)4 with ammonia in THF and in the presence of ammonium triflate ([NH4][CF3SO3]) leads to the formation of monolithic gels.
AlShibane, Ihfaf, Hargreaves, Justin S.J., Hector, Andrew L., Levason, William, McFarlane, Andrew   +4 more
core   +1 more source