Results 21 to 30 of about 1,667,079 (168)

Confronting product life thinking with product life cycle analysis [PDF]

open access: yesProceedings Second International Symposium on Environmentally Conscious Design and Inverse Manufacturing, 2002
Industry is increasingly being confronted with the need to consider the whole life cycle effects of its products, in order to make environmental improvements of any significance. There is a danger that naive environmental decisions are made, due to apparent lack of data or actual lack of insight.
openaire   +1 more source

Blood-glucose levels in newborn piglets and the associations between blood-glucose levels, intrauterine growth restriction and pre-weaning mortality

open access: yesPorcine Health Management, 2019
Objectives The aim of this study was to investigate the associations between blood-glucose levels in one-day-old-piglets (ODOP), intrauterine growth restriction (IUGR) and pre-weaning mortality in a commercial piglet-producing herd in Norway.
Trude Staarvik   +4 more
doaj   +1 more source

Emission of Nitric Oxide during the Combustion of Various Forms of Solid Biofuels in a Low-Power Heating Device

open access: yesEnergies, 2022
In this study, in terms of the mechanisms of nitric oxide (NO) emissions, research was carried out to consider the impact of physical and chemical properties of wood and herbaceous biomass processed into pellets and briquettes in the course of the ...
Artur Kraszkiewicz   +2 more
doaj   +1 more source

Impact of feature selection on system identification by means of NARX-SVM

open access: yesMATEC Web of Conferences, 2019
Support Vector Machines (SVM) are widely used in many fields of science, including system identification. The selection of feature vector plays a crucial role in SVM-based model building process.
Awtoniuk Michał   +3 more
doaj   +1 more source

Effects of feeding naturally contaminated deoxynivalenol diets to sows during late gestation and lactation in a high-yield specific pathogen-free herd

open access: yesPorcine Health Management, 2018
Background The most prevalent Fusarium mycotoxin in grains is deoxynivalenol (DON). Contamination of swine feed with DON can result in reduced consumption and poor growth performance.
Amin Sayyari   +3 more
doaj   +1 more source

The CBL1/9-CIPK1 calcium sensor negatively regulates drought stress by phosphorylating the PYLs ABA receptor

open access: yesNature Communications, 2023
The stress hormone, Abscisic acid (ABA), is crucial for plants to respond to changes in their environment. It triggers changes in cytoplasmic Ca2+ levels, which activate plant responses to external stresses.
Zhang You   +6 more
doaj   +1 more source

Influence of nitrogen fertilization, seed inoculation and the synergistic effect of these treatments on soybean yields under conditions in south-western Poland

open access: yesScientific Reports
Soybean, belonging to legumes, has a specific ability to biological nitrogen fixation, which can be reinforced by seeds inoculation. However, support with a starter dose of mineral nitrogen fertilizer may be necessary to achieve high seed yields.
Magdalena Serafin-Andrzejewska   +6 more
doaj   +1 more source

Timing and intensity of weed harrowing in spring barley

open access: yesAgricultural and Food Science
At present weed harrowing is gaining significance in conventional agriculture as there is a growing trend to reduce the application of pesticides. Unfortunately, the harrowing is partially damaging to crop plants.
Piotr Sobkowicz   +5 more
doaj   +1 more source

Hatching performance of Japanese quail from eggs stored for different periods - a preliminary study

open access: yesBMC Veterinary Research
Background Due to the fluctuating nature of the poultry market, including the need for chicks, there is often a necessity to extend the storage time of hatching eggs.
Tomasz Próchniak   +5 more
doaj   +1 more source

THE INFLUENCE OF GROWTH REGULATORS ON DAHLIA PROPAGATION IN TISSUE CULTURE AND ACCLIMATIZATION OF PLANTS IN ex vitro CONDITIONS

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2019
The aim of work was to evaluate the influence of cytokinins on dahlia propagated in vitro and their consequent effect on acclimatization. Plant material were shoot tips and nodes.
Barbara Marcinek   +4 more
doaj   +1 more source

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