Results 1 to 10 of about 48,397,054 (331)

Microplastics in freshwater: Review of sampling methods and subsequent analyses [PDF]

open access: yesZbornik Radova Građevinskog Fakulteta, 2021
Microplastics are present in our environment (in freshwater and marine water, in the air, in our food and drinking water). They are considered an important pollutant since they can take up to thousands of years for these particles to decompose.
Horvat Mirjana   +6 more
doaj   +1 more source

Block Ciphers Analysis Based on a Fully Connected Neural Network

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2023
With the development of high-speed network technologies, there has been a recent rise in the transfer of significant amounts of sensitive data across the Internet and other open channels. The data will be encrypted using the same key for both Triple Data
Ali H. Alwan, Ali H. Kashmar
doaj   +1 more source

Market assessment of tuberculosis diagnostics in Brazil in 2012. [PDF]

open access: yesPLoS ONE, 2014
BACKGROUND: Improved diagnostics for the diagnosis of tuberculosis (TB) are urgently needed. However, test developers and investors require market size data to support new product development.
TB Diagnostics Market Analysis Consortium
doaj   +1 more source

Analysis of the relationship among some anthropometric measurement with some kinematics variables in the 25m breast swimming [PDF]

open access: yesمجلة الرافدين للعلوم الرياضية, 2007
The research aimed at : 1- Recognizing the values of some anthropometric measurements values and some kinematics variables in the breast swimming of 25 m.
Waleed Gh. Thanoon, Falah Taha Hamo
doaj   +1 more source

A review of 10 years of human microbiome research activities at the US National Institutes of Health, Fiscal Years 2007-2016

open access: yesMicrobiome, 2019
The National Institutes of Health (NIH) is the primary federal government agency for biomedical research in the USA. NIH provides extensive support for human microbiome research with 21 of 27 NIH Institutes and Centers (ICs) currently funding this area ...
NIH Human Microbiome Portfolio Analysis Team
doaj   +1 more source

Learning during the covid-19 pandemic: Analysis of e-learning on sports education students

open access: yesJournal Sport Area, 2021
This study aims to determine the level of achievement in each competency given to students and to find out the average percentage of post-e-learning student scores. The research method used is quantitative with descriptive statistical techniques.
Aditya Gumantan   +2 more
doaj   +1 more source

Field-oriented control of five-phase induction motor with open-end stator winding

open access: yesArchives of Electrical Engineering, 2016
The mathematical model of the five-phase squirrel-cage induction motor and the system of the dual five-phase voltage source inverter have been presented.
Listwan Jacek, Pieńkowski Krzysztof
doaj   +1 more source

Economic-legal aspects of business assets definition and its effectiveness analysis

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2004
The thesis “Economic-legal aspects of business assets definition and its effectiveness analysis” analyses the contribution of business assets in joint-stock company Svornost Těmice.
Oldřich Tvrdoň   +2 more
doaj   +1 more source

Comparative Analysis of Chemical Constituents in Different Parts of Lotus by UPLC and QToF-MS

open access: yesMolecules, 2021
Six parts of lotus (seeds, leaves, plumule, stamens, receptacles and rhizome nodes) are herbal medicines that are listed in the Chinese Pharmacopoeia. Their indications and functions have been confirmed by a long history of clinical practice.
Haotian Pei   +6 more
doaj   +1 more source

Analysis of attractiveness of the wine-production industry in the Czech Republic

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2004
The paper is a part of solution of a post-doctorate grant awarded by the Grant Agency of the Czech republic (GAČR No. 402/02/P059) connected with the grant awarded by the Ministry of agriculture (NAZV) no.
Pavel Tomšík, Pavel Žufan
doaj   +1 more source

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