Results 11 to 20 of about 984,564 (290)

Large-scale frequent testing and tracing to supplement control of Covid-19 and vaccination rollout constrained by supply

open access: yesInfectious Disease Modelling, 2021
Non-pharmaceutical interventions (NPI) were implemented all around the world in the fight against COVID-19: Social distancing, shelter-in-place, mask wearing, etc.
Lia Humphrey   +7 more
doaj   +1 more source

R.M. Solow Adjusted Model of Economic Growth [PDF]

open access: yesTheoretical and Applied Economics, 2007
Besides the models of M. Keynes, R.F. Harrod, E. Domar, D. Romer, Ramsey-Cass-Koopmans etc., the R.M. Solow model is part of the category which characterizes the economic growth. The paper proposes the study of the R.M.
Ion Gh. Rosca, Stelian Stancu
doaj   +1 more source

Evolution Scenarios at the Romanian Economy Level, Using the R.M. Solow Adjusted Model [PDF]

open access: yesTheoretical and Applied Economics, 2008
Besides the models of M. Keynes, R.F. Harrod, E. Domar, D. Romer, Ramsey-Cass-Koopmans model etc., the R.M. Solow model is part of the category which characterizes the economic growth. The paper proposes the presentation of the R.M.
Stelian Stancu, Ion Gh. Rosca
doaj   +1 more source

Use-cases on evolution [PDF]

open access: yes, 2005
This report presents a set of use cases for evolution and reactivity for data in the Web and Semantic Web. This set is organized around three different case study scenarios, each of them is related to one of the three different areas of application ...
Alferes, José Júlio   +7 more
core   +1 more source

The scenario-based variations and causes of future surface soil moisture across China in the twenty-first century

open access: yesEnvironmental Research Letters, 2021
Surface soil moisture (SSM) is a key factor for water and heat exchanges between land surface and the atmosphere. It is also important to water resources, agriculture, and ecosystems. In the backdrop of global warming, SSM variations and potential causes
Keke Fan   +4 more
doaj   +1 more source

On Source Density Evolution of Gamma-ray Bursts [PDF]

open access: yes, 1998
Recent optical afterglow observations of gamma-ray bursts indicate a setting and distance scale that many relate to star-formation regions. In this paper, we use $$ and a set of artificial trigger thresholds to probe several potential GRB source density ...
Che H.   +5 more
core   +2 more sources

Dynamic Simulation of Land Use Changes and Assessment of Carbon Storage in Kunming City Based on PLUS and InVEST Models

open access: yesShuitu baochi tongbao, 2023
[Objective] Changes in land use and carbon stocks under different scenarios were evaluated to provide a scientific basis for optimizing ecological services and sustainable development.
Jun Li   +4 more
doaj   +1 more source

Is pre-Darwinian evolution plausible?

open access: yesBiology Direct, 2018
Background This essay highlights critical aspects of the plausibility of pre-Darwinian evolution. It is based on a critical review of some better-known open, far-from-equilibrium system-based scenarios supposed to explain processes that took place before
Marc Tessera
doaj   +1 more source

Numerical modeling of Etla Valley aquifer, Oax., Mexico: Evolution and remediation scenarios [PDF]

open access: yesGeofísica Internacional, 2008
Se presenta un modelo geohidrológico evolutivo 3D a corto plazo (para los años 2001, 2005 y 2015) del acuífero somero del Valle de Etla, Oaxaca, sureste de México, basado en los parámetros disponibles de geología, geofísica, geoquímica e hidrología.
E. L. Flores-Márquez   +5 more
doaj   +2 more sources

Incomplete lineage sorting and ancient admixture, and speciation without morphological change in ghost-worm cryptic species [PDF]

open access: yesPeerJ, 2021
Morphologically similar species, that is cryptic species, may be similar or quasi-similar owing to the deceleration of morphological evolution and stasis.
José Cerca   +6 more
doaj   +2 more sources

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