Results 21 to 30 of about 1,587,709 (329)

Association Between Weather Parameters and SARS‐CoV‐2 Confirmed Cases in Two South African Cities

open access: yesGeoHealth, 2022
Several approaches have been used in the race against time to mitigate the spread and impact of COVID‐19. In this study, we investigated the role of temperature, relative humidity, and particulate matter in the spread of COVID‐19 cases within two densely
Samuel Ogunjo   +2 more
doaj   +1 more source

About some Methodological Aspects of Budgetary Sustainability [PDF]

open access: yesTheoretical and Applied Economics, 2006
This paper is aimed to debate some conceptual and methodological issues concerning the designing and analyzing of the public budget. In the context, the issue of the necessary distinction between the target-objectives and the operational variables in the
Emil Dinga
doaj   +1 more source

Evaluation of classification and decision trees in predicting daily precipitation occurrences

open access: yesWater Supply, 2022
Due to the heterogeneous distribution of precipitation, predicting its occurrence is one of the primary and basic strategies to prevent possible disasters and their damages.
S. Samadianfard, F. Mikaeili, R. Prasad
doaj   +1 more source

Engaging rural communities: The uses of online communication tools in Local Action Groups’ activity

open access: yesStyles of Communication, 2023
Local Action Groups (LAGs) play an important role in the development of rural territories, by engaging communities in the creation of local identity. The LAGs have the great advantage of being in direct contact with the population, of understanding the ...
Alexandra-Catalina SZILAGYI   +1 more
doaj   +1 more source

Lagged Regression with Unknown Lags

open access: yesJournal of the Royal Statistical Society Series B: Statistical Methodology, 1973
Summary The problem considered is that of determining the parameters in a lagged regression of one stationary time series on another when the lag is unknown and is not an integral multiple of the time interval between observations. The residual in the regression is also taken to be a stationary time series.
Peter M. Robinson, E. J. Hannan
openaire   +2 more sources

Evolving strategies for single-celled organisms in multi-nutrient environments [PDF]

open access: yes, 2015
When micro-organisms are in environments with multiple nutrients, they often preferentially utilise one first. A second is only utilised once the first is exhausted. Such a two-phase growth pattern is known as diauxic growth.
Barnes, David J., Chu, Dominique
core   +1 more source

A Semi-Heuristic Process-Reaction Curve PID Controller Tuning Method [PDF]

open access: yesModeling, Identification and Control, 2018
A simple semi-heuristic method for designing PID controllers for time constant models are shown to be close to optimal. A Process-Reaction Curve method is proposed, composed by a method for approximating stable time constant models with an unstable DIPTD
Christer Dalen, David Di Ruscio
doaj   +1 more source

Analisis Implementasi Link Aggregation dengan PIECES Framework pada Jaringan Transmisi Seluler

open access: yesJurnal Elkomika, 2023
ABSTRAK Perkembangan layanan data seluler mulai teknologi 2G Enhanced GPRS (EGPRS) berkecepatan 473,6 kbps terus meningkat sampai teknologi 5G enhanced Mobile Broadband (eMBB) berkecepatan 10 Gbps berdampak pada penggunaan aplikasi eCommerce, media ...
IRFAN HERMAWAN, REZA CHANDRA
doaj   +1 more source

Jet Lag in Athletes [PDF]

open access: yesSports Health: A Multidisciplinary Approach, 2012
Context: Prolonged transmeridian air travel can impart a physical and emotional burden on athletes in jet lag and travel fatigue. Jet lag may negatively affect the performance of athletes. Study Type: Descriptive review. Evidence Acquisition: A Medline search for articles relating to jet lag was performed (1990-present), as was a search relating to ...
Juan Carlos Galvez, Aaron Taylor Lee
openaire   +2 more sources

Witt kernels of quadratic forms for multiquadratic extensions in characteristic 2 [PDF]

open access: yes, 2014
Let $F$ be a field of characteristic $2$ and let $K/F$ be a purely inseparable extension of exponent $1$. We show that the extension is excellent for quadratic forms. Using the excellence we recover and extend results by Aravire and Laghribi who computed
Hoffmann, Detlev W.
core   +1 more source

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