Results 41 to 50 of about 620,786 (259)

The Effect of Plasma Pretreatment on the Flotation of Lithium Aluminate and Gehlenite Using Light-Switchable Collectors

open access: yesSeparations
The pyridinium phenolate punicine is a switchable molecule from Punica granatum. Depending on the pH, punicine exists as a cation, neutral molecule, anion, or dianion.
Ali Zgheib   +9 more
doaj   +1 more source

The differentiated milk recording when milking into the milk line

open access: yesАграрная наука Евро-Северо-Востока, 2019
The article is devoted to theoretical and experimental substantiation of technical capability of the differentiated recording of milk when milking into the milk line.
A. A. Rylov   +2 more
doaj   +1 more source

Progress and Analysis of Research on Phosphorus Collectors and their Interaction Mechanisms

open access: yesKuangchan zonghe liyong
This is an article in the field of mineral processing engineering.The phosphate ore is a non-renewable strategic non-metallic mineral, which plays a crucial role in social and economic development and technological progress.
Wenda GUO   +5 more
doaj   +1 more source

Recaudación real y prácticas de poder ejercidas en el siglo XV por recaudadores judíos en Galicia

open access: yesHamsa, 2015
Although medieval legislation in Castilian kingdom forbade Jewish people to work as tax collectors, some of them, appointed by the king, practiced this activity. The Jewish collectors, as king´s representatives, had the same power than the Christian ones
María Gloria de Antonio Rubio
doaj   +1 more source

The knight of Serbia: Georg I. Weifert [PDF]

open access: yesBankarstvo, 2014
A reputable industrialist and banker, one of the richest people in Serbia, Georg Weifert was, at the same time, a researcher, collector, patron of the arts and benefactor of countless scientific, educational and humanitarian associations.
Matić Vesna
doaj   +1 more source

Effect of a Pipe Number on the Heat Transfer Rate for a Granit Stone Absorber Solar Collector [PDF]

open access: yes, 2016
As the fossil energy has been getting depletion, it is important to utilize alternative energies such as solar energy. An equipment that can be used for capturing and converting solar energy is solar collector. Two identical collectors used in this study
Mirmanto, M. (M)
core  

Predicted and in situ performance of a solar air collector incorporating a translucent granular aerogel cover [PDF]

open access: yes, 2012
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 ElsevierThere is an opportunity to improve the efficiency of flat plate solar air collectors by replacing their ...
Athienitis   +44 more
core   +1 more source

RISK ASSESSMENT OF DECREASING THE FAILURE OF THERMAL LIQUID COLLECTOR [PDF]

open access: yesManagement Systems in Production Engineering, 2014
Object of the study is an evaluation of applied remedies at a process of decrement of failure of the thermal liquid collector by application of FMEA method.
Martin KOTUS   +3 more
doaj   +1 more source

Phototransistor [PDF]

open access: yes, 1973
A phototransistor is described in which there is included as a part of its integral structure an auxiliary diode in the form of an added base-collector junction.
Mccann, D. H.
core   +1 more source

GeoDataBase geomorfologico per acquisizione dei dati tramite tecnologie mobile

open access: yesGEOmedia, 2016
Among the creation of geomorphological maps the data collection of elements and features is one of the most important steps. The most relevant information to be collected are not only their position (geolocalization) but also their classification and ...
Mattia De Amicis   +3 more
doaj  

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