Results 21 to 30 of about 1,608,848 (335)

Carbon Fixation and Soil Aggregation Affected by Biochar Oxidized with Hydrogen Peroxide: Considering the Efficiency of Pyrolysis Temperature

open access: yesSustainability, 2023
Biochar, as a carbon-rich material, may have a notable influence on carbon balance, especially that in soil mediums. The oxidation of biochar modifies the biochar’s effects on the soil’s carbon dynamics. To evaluate the alteration in soil carbon storage,
M. Ghorbani   +4 more
semanticscholar   +1 more source

Aggregated Indices in Website Quality Assessment [PDF]

open access: yesFuture Internet, 2020
Website users have increasingly high expectations regarding website quality, starting from performance and ending up with the content. This article provides a list and characteristics of selected website quality indices and testing applications that are available free of charge. Aggregated website quality indices were characterised based on a review of
Karol Król, Dariusz Zdonek
openaire   +2 more sources

Monitoring α-synuclein Aggregation Induced by Preformed α-synuclein Fibrils in an In Vitro Model System

open access: yesExperimental Neurobiology, 2023
Parkinson’s disease (PD) is characterized by the presence of α-synuclein (α-syn) inclusions in the brain and the degeneration of dopamine-producing neurons.
Beom Jin Kim   +3 more
semanticscholar   +1 more source

New indices to capture the evolution characteristics of urban expansion structure and form

open access: yesEcological Indicators, 2021
A quantitative description is the basis for correctly understanding the urban expansion process. Previous approaches were dedicated to identifying expansion types based on the boundary sharing rate, thereby depicting the evolution of urban expansion ...
Jiafeng Liu   +8 more
doaj   +1 more source

Composite environmental indices—a case of rickety rankings

open access: yesPeerJ, 2023
Composite indices have been widely used to rank the environmental performance of nations. Such environmental indices can be useful in communicating complex information as a single value and have the potential to generate political and media awareness of ...
Shelley Stevens   +4 more
semanticscholar   +1 more source

Technology and productivity: a critique of aggregate indicators [PDF]

open access: yesJournal of Post Keynesian Economics, 2022
Economic analysts have used trends in total factor productivity (TFP) to evaluate the effectiveness with which economies are utilizing advances in technology. However, this measure is problematic on several different dimensions. First, the idea that it is possible to separate out the relative contribution to economic output of labor, capital, and ...
openaire   +3 more sources

Microfluidic-Based Biosensor for Sequential Measurement of Blood Pressure and RBC Aggregation Over Continuously Varying Blood Flows

open access: yesMicromachines, 2019
Aggregation of red blood cells (RBCs) varies substantially depending on changes of several factors such as hematocrit, membrane deformability, and plasma proteins. Among these factors, hematocrit has a strong influence on the aggregation of RBCs.
Yang Jun Kang
doaj   +1 more source

Do performance measures of donors' aid allocation underperform? [PDF]

open access: yes, 2014
Indices of donor performance abound. Their recent popularity has occurred within the context of pessimism over aid's impact and optimism over the effect of changes in donor behaviour. Rankings of donor allocative performance aim to change donor behaviour,
Clist, Paul
core   +1 more source

A model based framework for air quality indices and population risk evaluation, with an application to the analysis of Scottish air quality data [PDF]

open access: yes, 2013
The paper is devoted to the development of a statistical framework for air quality assessment at the country level and for the evaluation of the ambient population exposure and risk with respect to airborne pollutants.
Banerjee S.   +4 more
core   +1 more source

Take it with a pinch of salt—ESG rating of stocks and stock indices

open access: yesInternational Review of Financial Analysis, 2022
This paper investigates the environmental, social, and governance (ESG) ratings of 20 leading stock exchange indices by analyzing and aggregating ratings of underlying stocks.
Szilárd Erhart
semanticscholar   +1 more source

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