Results 241 to 250 of about 840,825 (298)

Thermal Calculations for Co‐Firing of Hydrogen/Ammonia and Coal in 660‐MW Coal‐Fired Boilers

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT To achieve a clean energy transition under the dual carbon goals, blending hydrogen/ammonia into pulverized coal boilers represents a key technological pathway. Different hydrogen/ammonia co‐firing ratios (5%–50%) are investigated for their impact on the thermodynamic characteristics of 660‐MW supercritical boiler at 100% and 20% boiler ...
Yaodong Da, Nana Hou, Weipeng Wang, Yongqiang Chang, Xin Liu, Feng Pan, Defu Che, Lei Deng   +7 more
wiley   +1 more source

Body reconstruction and size estimation of plesiosaurs. [PDF]

PeerJ
Zhao RJ.
europepmc   +1 more source

The hydrogen-to-carbon mole perspective reveals cleanness and inequality of global and national fossil fuel transition. [PDF]

Nat Commun
Song G, Zhao X, Zhang Y, Lv L, Guan D, Liu G.   +5 more
europepmc   +1 more source

Geochronological insights of middle miocene primates and vertebrate fauna of Ramnagar (J&K, India): Integrating litho- and magnetostratigraphy. [PDF]

PLoS One
Choudhary D, Gilbert CC, Campisano CJ, Peppe DJ, Arif M, Singh SP, Tesfay K, Patel BA, Wazir WA, Kumar R, Phartiyal B, Singh NP, Sharma KM, Patnaik R.   +13 more
europepmc   +1 more source

Early Eocene Palynofloral Diversity and <i>Nothofagus</i> Niche Modeling Across Western Gondwana. [PDF]

Plants (Basel)
Hinojosa LF, Carvajal FM, Quattrocchio M, Fernández DA, Pérez MF.   +4 more
europepmc   +1 more source

High abundance of Early Miocene sea cows from Qatar shows repeated evolution of seagrass ecosystem engineers in Eastern Tethys. [PDF]

PeerJ
Pyenson ND, Sakal F, LeBlanc J, Blundell J, Klim KD, Marshall CD, Velez-Juarbe J, Wolfe K, Al-Naimi F.   +8 more
europepmc   +1 more source

Thermal, geological and biological processes shape the internal fabric and fluorescence of amber from La Cumbre, Dominican Republic. [PDF]

Sci Rep
Natkaniec-Nowak L, George C, Pańczak J, Dumańska-Słowik M, Sęk MP, Kosakowski P.   +5 more
europepmc   +1 more source

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Are the oldest ?fossils?, fossils?

Origins of Life, 1976
A comparative statistical study has been carried out on populations of modern algae, of Precambrian algal microfossils, of the 'organized elements' of the Orgueil carbonaceous meteorite, and of the oldest microfossil-like objects now known (spheroidal bodies from the Fig Tree and Onverwacht Groups of the Swaziland Supergroup, South Africa).
openaire   +2 more sources

Fossil spiders

Biological Reviews, 2010
Over the last three decades, the fossil record of spiders has increased from being previously biased towards Tertiary ambers and a few dubious earlier records, to one which reveals a much greater diversity in the Mesozoic, with many of the modern families present in that era, and with clearer evidence of the evolutionary history of the group.
Paul A, Selden, David, Penney
openaire   +2 more sources

FOSSIL

Proceedings of the 24th International Conference on Hybrid Systems: Computation and Control, 2021
This paper accompanies FOSSIL: a software tool for the synthesis of Lyapunov functions and of barrier certificates (or functions) for dynamical systems modelled as differential equations. Lyapunov functions are formal certificates for stability analysis, whereas barrier functions are formal certificates for the safety of dynamical models.
Alessandro Abate, Daniele Ahmed, Alec Edwards, Mirco Giacobbe, Andrea Peruffo   +4 more
openaire   +1 more source