Results 51 to 60 of about 2,078 (138)

NS Asteriks, sorta ozimog dvoredog ječma

open access: yes, 2019
Novostvorena sorta ozimog dvoredog ječma (Hordeum sativum L.) NS Asteriks priznata od strane Uprave za zaštitu bilja Ministarstva poljoprivrede, šumarstva i vodoprivrede Republike Srbije.
Mirosavljević, Milan   +2 more
openaire   +1 more source

Macroeconomic Determinants of Contingent Protection: The Case of the European Union [PDF]

open access: yes
Contingent Protection has grown to become an important trade restricting device. In the European Union, protection instruments like antidumping are used extensively.
Bettina Becker, Martin Theuringer
core  

Optimization in non-standard problems. An application to the provision of public inputs [PDF]

open access: yes
This paper describes a new method for solving non-standard constrained optimization problems for which standard methodologies do not work properly. Our method (the Rational Iterative Multisection -RIM- algorithm) consists of different stages that can be ...
A. Jesus Sanchez Fuentes   +1 more
core  

Ultraviolet and X-ray variability of NGC 4051 over 45 days with XMM-Newton and Swift

open access: yes, 2012
We analyse 15 XMM-Newton observations of the Seyfert galaxy NGC 4051 obtained over 45 days to determine the ultraviolet (UV) light curve variability characteristics and search for correlated UV/X-ray emission.
Alston, W. N., Uttley, P., Vaughan, S.
core   +1 more source

Developing an Optimal Repair-Replacement Strategy for Pallets [PDF]

open access: yes, 1976
The problem of determining when to repair and when to replace failing equipment is a concern of management of productive resources. Inefficient management due to the use of non-optimal repair-replacement policies can have significant financial ...
Haehling Von Lanzenauer, Christoph   +1 more
core  

When Pricing Below Marginal Cost Pays Off: Optimal Price Choice in a Media Market with Upfront Pricing [PDF]

open access: yes
I derive a model of profit maximization for a print media firm with upfront advertising pricing. The model is estimated using detailed quarterly data on German women's magazines observed between I/1994 and IV/2004.
Ulrich Kaiser
core  

Análisis, diseño e implementación de voz sobre IP con Asterik, seguridades para la wlan mediante portales cautivos a través de radius, y monitoreo de los servicios de red mediante nagios para el campus de la Universidad Internacional del Ecuador

open access: yes, 2012
La Universidad Internacional del Ecuador realizará la implementación de un sistema de comunicación mediante VoIP con Asterisk, seguridades para la WLAN mediante portales cautivos a través de Radius, y monitoreo de los servicios de red mediante Nagios.
Caza Cobos, Mayra Alejandra   +1 more
openaire   +1 more source

A universal approach for drainage basins

open access: yes, 2019
Drainage basins are essential to Geohydrology and Biodiversity. Defining those regions in a simple, robust and efficient way is a constant challenge in Earth Science.
Andrade Jr, José S.   +5 more
core   +1 more source

A Dedicated M-Dwarf Planet Search Using The Hobby-Eberly Telescope

open access: yes, 2003
We present first results of our planet search program using the 9.2 meter Hobby-Eberly Telescope (HET) at McDonald Observatory to detect planets around M-type dwarf stars via high-precision radial velocity (RV) measurements.
Delfosse X.   +8 more
core   +1 more source

Chemical weed control in triticale (x Triticosecale Wittmack): review of five years of field experiments [PDF]

open access: yes, 2013
During 5 subsequent growing seasons field experiments were carried out at the experimental farm of the University College Ghent (Belgium) to evaluate the selectivity and efficacy of herbicides applied for chemical weed control in triticale (x ...
Derycke, Veerle   +2 more
core  

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