Results 21 to 30 of about 493,883 (292)

A framework for sample size calculations in longitudinal surveys to measure net and gross changes.

open access: yesPLoS ONE, 2023
In longitudinal surveys, repeated measurements are collected from the same sample units over time to measure gross change (i.e., change at the level of individual sample members). Longitudinal samples are sometimes supplemented by fresh sample to measure
Mahmoud Elkasabi   +2 more
doaj   +1 more source

Why Net Worth Misrepresents Wealth Effects and What to Do About It

open access: yesSociological Science, 2023
Wealth plays an important role in social stratification but the results that can be obtained when analyzing wealth as a predictor variable depend on modeling decisions.
Jascha Dräger   +2 more
doaj   +1 more source

Bose-Einstein condensation dynamics from the numerical solution of the Gross-Pitaevskii equation [PDF]

open access: yes, 2002
We study certain stationary and time-evolution problems of trapped Bose-Einstein condensates using the numerical solution of the Gross-Pitaevskii equation with both spherical and axial symmetries. We consider time-evolution problems initiated by changing
Adhikari, Sadhan K.   +1 more
core   +2 more sources

Techno-Economic Analysis of Hydraulic Fracturing As A Solution for Developing Low-Resistivity and Low-Quality Zone on Offshore “RI” Field

open access: yesJournal of Earth Energy Engineering, 2021
Hydrocarbon production in Indonesia is continuously decreasing on a yearly basis, which is in contrast with its increasing level of consumption. Low-quality and low-resistivity reservoir zones are deemed to possess a lot of hydrocarbon potentials ...
Steven Chandra, Ilma Mauldhya Herwandi
doaj   +1 more source

Mandibular condylar process remodeling in rats with different bite-altering devices [PDF]

open access: yesEuropean Cells & Materials, 2023
The objective was to compare different dental splint models and materials for inducing abnormal loading on the gross morphology and histological appearance of the mandibular condylar processes of Sprague Dawley rats.
W Li   +5 more
doaj   +1 more source

Shimura correspondence for level $p^2$ and the central values of $L$-series II [PDF]

open access: yes, 2014
Given a Hecke eigenform $f$ of weight $2$ and square-free level $N$, by the work of Kohnen, there is a unique weight $3/2$ modular form of level $4N$ mapping to $f$ under the Shimura correspondence.
Ariel Pacetti   +3 more
core   +2 more sources

Contribution Ceilings and the Incidence of Payroll Taxes [PDF]

open access: yes, 2017
Social security contributions (SSCs) are typically formally split between employers and employees as payroll taxes, levied on earnings at a constant tax rate that applies only up to a ceiling, above which the marginal tax rate falls to a reduced rate ...
Breda, Thomas   +3 more
core   +3 more sources

Paper mill-based integrated nutrition of garden pea in the Eastern Himalayas

open access: yesThe Indian Journal of Agricultural Sciences, 2021
Field experiment was conducted during rabi 2013-14 and 2014-15 to study the effect of paper mill waste integrated nutrition on yield, economics and soil health of garden pea varieties at ICAR-Research Complex for NEH Region, Nagaland Centre, Jharnapani,
RAKESH KUMAR   +3 more
doaj   +1 more source

Economical Analysis of Chamomile (Matricaria recutita L.) Cultivars, Flower Yields Which are Obtained from Different Sowing Times and Row Spacing

open access: yesJournal of Agricultural Sciences, 2019
This study was conducted with split-split plots experimental design based on four replications in the ecological conditions of Yalova in the area of Ataturk Central Horticultural Research Institute in growing seasons of 2008-2009 and 2010-2011.
Doğan Arslan   +3 more
doaj   +1 more source

Comparison of Splitting methods for Gross-Pitaevskii Equation

open access: yes, 2019
20 pages, 7 ...
Geiser, Juergen, Nasari, Amirbahador
openaire   +2 more sources

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