Results 1 to 10 of about 5,566,970 (145)

Analysis of possibilities of using biomass from cherry and morello cherry stones for energy purposes [PDF]

open access: yesE3S Web of Conferences, 2020
Growing demand for energy and care about natural environment is the motivation to find alternative sources of energy. One of them is biomass from cherry and morello cherry stones, which is food processing industry waste.
Bryś Andrzej   +4 more
doaj   +1 more source

A genetic algorithm modelling of temperature distributions in the AZ31B magnesium alloys with 7075 aluminium alloy friction welded joints [PDF]

open access: yesE3S Web of Conferences, 2019
This paper presents a genetic algorithm modelling of temperature distribution during heating and cooling of AZ31B magnesium alloys with 7075 aluminium alloy friction welded joints.
Winiczenko Radosław   +3 more
doaj   +1 more source

Prediction of higher heating value of oat grain and straw biomass [PDF]

open access: yesE3S Web of Conferences, 2020
The aim of the study was modelling of HHV of oat (grain and straw) biomass. The content of ash, carbon, hydrogen, nitrogen, moisture, volatile materials and the higher heating value of oat (grain and straw) biomass was measured.
Górnicki Krzysztof   +2 more
doaj   +1 more source

Influence of circulating pump efficiency on the heat exchange process in a plate heat exchanger used in a solar heating installation [PDF]

open access: yesE3S Web of Conferences, 2020
In solar heating systems with an absorber area of more than 20 m2, a plate heat exchanger is used as a separator between the primary glycol-based refrigerant and secondary water.
Obstawski Paweł   +2 more
doaj   +1 more source

Time of insemination in relation to pregnancy rates in beef cattle after oestrus detection with automated activity monitoring system

open access: yesActa Veterinaria Scandinavica, 2023
Background The timing of artificial insemination is critical to achieve acceptable results in cattle production systems. Over the past 60 years the length and expression of oestrus in dairy cattle has altered.
Caroline Sorknes Haadem   +3 more
doaj   +1 more source

Analysis of thermal states of a flat-solar collector using state variables [PDF]

open access: yesE3S Web of Conferences, 2020
This paper analyses the thermal states of the flat solar collector using the state variable method. The knowledge of the transient states describing the state of the solar heating installation under operating conditions enables the analysis of the heat ...
Obstawski Paweł   +2 more
doaj   +1 more source

Hazards and their reduction in urea production for synthesis reactor by Mitsui - Toatsu technology [PDF]

open access: yesScientific Journal of the Military University of Land Forces, 2018
Industrial large-scale urea production creates a number of hazards due to equipment and machine failures as well as service errors. Failures can cause material, environmental and human losses.
Aleksander Wyciszkiewicz   +2 more
doaj   +1 more source

EDITING of MASS INDIVIDUALLY-UNIQUE ARTISTIC REALITY

open access: yesДискурс, 2016
Processes and tendencies that became substantial and determinative when forming integrity of a human being in the modern world are analyzed in the article. The "mounting" of identity by means of life arrangement has a major value, i.e.
E. G. Sokolov
doaj   +1 more source

The Study Of Production Regimes And Quality Parameters Of Extruded Feed Additive Based On Corn Seed And Substandard Egg Mass [PDF]

open access: yes, 2016
On the base of practical studies were established the rational parameters of technological processes of production of extruded feed additive. There was determined an expedience of mixture of substandard chicken egg mass and the crushed corn seed in two ...
Bordun, T. (Tatiana)   +4 more
core   +2 more sources

The relationship between plasma β-hydroxybutyric acid and conjugated linoleic acid in milk as a biomarker for early diagnosis of ketosis in postpartum Polish Holstein-Friesian cows

open access: yesBMC Veterinary Research, 2019
Background The aim of this study was to investigate the association between plasma β-hydroxybutyric acid (BHBA) and conjugated linoleic acid in postpartum Polish Holstein-Friesian (PHF) cows.
Kamila Puppel   +9 more
doaj   +1 more source

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