Results 31 to 40 of about 982 (188)

The use of different tobacco and related products, with and without flavours, among 15-year-olds in Slovenia

open access: yesSlovenian Journal of Public Health, 2017
Different tobacco and related products, like waterpipe, e-cigarettes, are gaining popularity among adolescents in different countries; the data for Slovenia is currently limited.
Koprivnikar Helena, Zupanic Tina
doaj   +1 more source

Drone-Based Identification and Monitoring of Two Invasive Alien Plant Species in Open Sand Grasslands by Six RGB Vegetation Indices

open access: yesDrones, 2023
Today, invasive alien species cause serious trouble for biodiversity and ecosystem services, which are essential for human survival. In order to effectively manage invasive species, it is important to know their current distribution and the dynamics of ...
László Bakacsy   +5 more
doaj   +1 more source

Flows for chosen vorticity functions exact solutions of the Navier‐Stokes equations

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 17, Issue 1, Page 155-164, 1994., 1994
Solutions are obtained for the equations of the motion of the steady incompressible viscous planar generalized Beltrami flows when the vorticity distribution is given by ∇2ψ = ψ + f(x, y) for three chosen forms of f(x, y).
O. P. Chandna, E. O. Oku-Ukpong
wiley   +1 more source

EVOLUTION OF FAMILY BUSINESSES – A 3D THEORETICAL APPROACH [PDF]

open access: yesOradea Journal of Business and Economics, 2020
: According to international literature there are many researches about family businesses. Examining and evaluating these kinds of businesses is a complex task because it is hard to take into account every influencing factor which have an impact on the ...
Júlia Tobak, András Nábrádi
doaj  

The role of sport infrastructure: use, preferences and needs

open access: yesApstract: Applied Studies in Agribusiness and Commerce, 2015
Leisure and mass sports are very significant both socially and economically. Physical activities contribute to forming a healthier society. Skills and abilities developed by sport promote people’s well-being and directly improve their physical, mental ...
Adrián Nagy , Júlia Tobak
doaj   +1 more source

Machine Learning Techniques for Land Use/Land Cover Classification of Medium Resolution Optical Satellite Imagery Focusing on Temporary Inundated Areas

open access: yesJournal of Environmental Geography, 2020
Classification of multispectral optical satellite data using machine learning techniques to derive land use/land cover thematic data is important for many applications.
van Leeuwen Boudewijn   +2 more
doaj   +1 more source

Effect of Fluoride on Germination, Early Growth and Antioxidant Enzymes Activity of Three Winter Wheat (Triticum aestivum L.) Cultivars

open access: yesApplied Sciences, 2020
This paper assesses the impact of sodium fluoride on the morphological parameters and activity of catalase and peroxidase during the germination and root growth phases of three winter wheat cultivars: Tobak, Dalewar, and Arkadia.
Justyna Pelc   +3 more
doaj   +1 more source

Tehnike indukcije haploidov in podvojenih haploidov

open access: yesActa Agriculturae Slovenica, 2013
Haploidi so samostojne rastline (sporofiti) z gametnim (haploidnim, n) številom kromosomov. Čeprav se spontano v naravi redko pojavijo, so dandanes poznane številne tehnike s katerimi lahko sprožimo njihov nastanek.
Jana MUROVEC
doaj   +1 more source

Monitoring Invasive Plant Species Using Hyperspectral Remote Sensing Data

open access: yesLand, 2021
The species richness and biodiversity of vegetation in Hungary are increasingly threatened by invasive plant species brought in from other continents and foreign ecosystems.
Levente Papp   +7 more
doaj   +1 more source

§RØG – En undersøgelse af tobak, adfærd og regler:Udvalgte tendenser 2022, rapport 4

open access: yes, 2023
I løbet af de senere år er udbuddet af produkter, som indeholder tobak og/eller nikotin steget markant, og mange af disse appellerer direkte til børn og unge.
Pedersen, Michelle Trabjerg   +3 more
core   +2 more sources

Home - About - Disclaimer - Privacy