Results 101 to 110 of about 4,484,850 (400)

Data‐driven forecasting of ship motions in waves using machine learning and dynamic mode decomposition

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
Summary Data‐driven forecasting of ship motions in waves is investigated through feedforward and recurrent neural networks as well as dynamic mode decomposition. The goal is to predict future ship motion variables based on past data collected on the field, using equation‐free approaches.
Matteo Diez   +2 more
wiley   +1 more source

The Black Consciousness Movement in South Africa: A Product of The Entire Black World

open access: yesHistoria Actual On-Line, 2009
El trabajo ilustra cómo el surgimiento del Movimiento de Conciencia Negra en Sudáfrica puede estar diametralmente unido a la emergencia de los movimientos de Conciencia Negra y Black Power en América.
Mgwebi Snail
doaj  

An application of a pattern-mixture model with multiple imputation for the analysis of longitudinal trials with protocol deviations

open access: yesBMC Medical Research Methodology, 2019
Background The benefit of a given treatment can be evaluated via a randomized clinical trial design. However, protocol deviations may severely compromise treatment effect since such deviations often lead to missing values.
Abdul-Karim Iddrisu, Freedom Gumedze
doaj   +1 more source

Freedom to Fund [PDF]

open access: yesCell, 2007
Philanthropists are exerting an unmistakable influence on the research agenda, drawing attention to long-ignored research areas, promoting collaborations, and giving scientists the freedom to explore serendipitous ideas. Unbridled by politics or bureaucracy, philanthropic organizations can fund the riskier projects that could yield the biggest payoffs.
openaire   +3 more sources

Numerical Studies of Influencing Factors on the Homogeneity of the Powder Mixture during the Powder Spreading Process of Powder Bed Fusion–Laser Beam/Metal

open access: yesAdvanced Engineering Materials, EarlyView.
AISI 304L stainless steel powder is mixed with silicon nitride (Si3N4) powder and processed by PBF‐LB/M, allowing partial retention of Si3N4. The numerical approach effectively predicts the Si3N4 powder homogeneity and N content distribution on the powder bed. Recent studies have focused on the alloying of nitrogen (N) in high‐alloy stainless steels by
Yuanbin Deng   +7 more
wiley   +1 more source

Does economic freedom increase income inequality? Evidence from the EU countries [PDF]

open access: yes, 2015
Over the past decades there have been considerable changes in policies and institutions in favor of economic freedom in the EU countries. This trend coincides with widespread increases in income inequality in numerous member states.
Angulo-Guerrero, Maria Jose   +1 more
core   +2 more sources

Development of Ternary Magnesium Alloys for Laser Powder Bed Fusion: Optimizing Oxide Layer Thickness

open access: yesAdvanced Engineering Materials, EarlyView.
Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach   +8 more
wiley   +1 more source

Tracking Religious Freedom Violations with the Violent Incidents Database: A Methodological Approach and Comparative Analysis

open access: yesData
Measuring and comparing religious freedom across countries and over time requires reliable and valid data sources. Existing religious freedom datasets are either based on the coding of qualitative data (such as the Religion and State Project or the Pew ...
Dennis P. Petri   +2 more
doaj   +1 more source

Pocket hematoma after pacemaker or defibrillator surgery: Direct oral anticoagulants versus vitamin K antagonists

open access: yesInternational Journal of Cardiology: Heart & Vasculature, 2022
Background: Direct oral anticoagulants (DOACs) are the preferred choice of oral anticoagulation in patients with atrial fibrillation (AF). Randomized trials have demonstrated the efficacy and safety of DOAC in patients undergoing a cardiac implantable ...
John de Heide   +9 more
doaj  

Pointer Race Freedom

open access: yes, 2015
We propose a novel notion of pointer race for concurrent programs manipulating a shared heap. A pointer race is an access to a memory address which was freed, and it is out of the accessor's control whether or not the cell has been re-allocated.
Haziza, Frédéric   +3 more
core   +1 more source

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