Results 41 to 50 of about 132,889 (251)

Clinical Progression in Alpha‐Synuclein Positive LRRK2‐PD and Sporadic Parkinson's Disease: A Longitudinal Analysis

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background LRRK2‐Parkinson's disease (LRRK2‐PD) is biologically heterogeneous with approximately 30% lacking aggregated alpha synuclein (αSyn) in cerebrospinal fluid by seed amplification assay (SAA). Prior work has suggested slower progression in LRRK2‐PD compared to sporadic PD (sPD).
Lucy A. Morse   +224 more
wiley   +1 more source

Power method tâtonnements for Cobb–Douglas economies [PDF]

open access: yesJournal of Mathematical Economics, 2018
The competitive equilibrium model with Cobb-Douglas utilities is introduced, derives the demand functions and introduces assumptions that ensures existence of at least one equilibrium. Tátonnement, a concept introduced by French economist Leon Walras, is a trial-and-error process by which equilibrium prices and stability are reached in competitive ...
Shikhman, Vladimir   +2 more
openaire   +4 more sources

Increased Serum Neurofilament Light Chain Levels in Parkinson's Disease Patients Carrying the p.A53T SNCA Mutation: Data from the Parkinson's Progression Markers Initiative Study

open access: yesMovement Disorders, EarlyView.
Abstract Background Serum neurofilament light chain (NfL) levels, a marker of axonal damage, are generally elevated in neurodegenerative conditions, but results in idiopathic Parkinson's disease (iPD) have been inconsistent. The p.A53T SNCA mutation usually leads to a severe form of PD.
Nikolaos Papagiannakis   +213 more
wiley   +1 more source

Exchange of Goods While Investing Into Production and Safety

open access: yesOperations Research and Decisions, 2013
The tradeoff between production and safety investment is scrutinized for two agents who convert resources into production and safety investment while simultaneously exchanging goods voluntarily.
Kjell Hausken
doaj  

La función de producción Cobb – Douglas y la economía española [PDF]

open access: yesRevista de Economía Crítica, 2011
En este trabajo analizamos el uso creciente del concepto función de producción Cobb - Douglas, basado en la obra de Solow, en trabajos aplicados a la economía española, relacionados con la determinación de la posición cíclica y la contribución de los ...
José Francisco Bellod Redondo
doaj  

Ecological and Technological Insights to Enhance Rice Production: A Machine Learning Approach for Sustainable Agriculture in Granma, Cuba

open access: yesSustainable Development, EarlyView.
ABSTRACT Amid the quest for sustainable agriculture, this study explores key ecological and technological factors influencing crop production under climate change. We conduct a comprehensive assessment of temperature, biomass, farmer education, renewable energy devices, greenhouse gas emissions and their effects on rice yields in Granma, Cuba, from ...
Afzal Ahmed Dar   +6 more
wiley   +1 more source

A Cyber-Attack Synergy Model Considering Both Positive and Negative Impacts from Each Attacker

open access: yesInternational Journal of Distributed Sensor Networks, 2015
An emerging attack strategy, collaborative attack, is considered the next generation type of attack. There are only a few models quantifying the synergy of a collaborating attack.
Yu-Shun Wang   +3 more
doaj   +1 more source

Assessing Eco‐Efficiency and the Cost of Carbon Abatement in Wastewater Treatment: Evidence From Spain

open access: yesSustainable Development, EarlyView.
ABSTRACT Wastewater treatment plants (WWTPs) play a critical role in protecting public health and the environment but are also contributors to carbon emissions. Improving the eco‐efficiency of WWTPs is essential for advancing sustainability in the sector.
Alexandros Maziotis   +1 more
wiley   +1 more source

ANALISIS Produktivitas Pabrik Spiritus Menggunakan Fungsi Produksi Cobb-Douglas (Studi Kasus Di PT. XYZ Yogyakarta)

open access: yesSpektrum Industri: Jurnal Ilmiah Pengetahuan dan Penerapan Teknik Industri, 2016
Produktivitas merupakan suatu ukuran penilaian yang digunakan perusahaan untuk mengetahui kinerja perusahaan dalam melakukan proses produksi. Pengukuran produktivitas perlu dilakukan secara teratur dan terus menerus agar dapat diketahui efektivitas dan
Jono
doaj  

Environmental Total Factor Productivity and the Cost‐Effectiveness of GHG Emission Reduction: The Case of Crop Production in China

open access: yesAustralian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT China's diversified agricultural policies have effectively improved both the yield and environmental performance of the crop sector. Quantifying productivity trends and their drivers is key to formulating strategies for high‐quality and low‐carbon crop development.
Yang Liu   +2 more
wiley   +1 more source

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