Results 121 to 130 of about 25,136 (285)

Resistojet propulsion for large spacecraft systems [PDF]

open access: yes
Resistojet propulsion systems have characteristics that are ideally suited for the on-orbit and primary propulsion requirements of large spacecraft systems.
Mirtich, M. J.
core   +1 more source

Response of tomato to innovative organo-mineral fertilizers

open access: yesFrontiers in Sustainable Food Systems
Organo-mineral fertilizers (OMFs) with low organic carbon (Corg) content have been associated with higher mineral fraction nutrient use efficiency. However, the extraction of peat, which is typically used in these OMFs, from endangered ecosystems causes ...
Tomas Javier Sitzmann   +5 more
doaj   +1 more source

Compatibility of grain-stabilized platinum with candidate propellants for resistojets [PDF]

open access: yes
Resistojets are candidates for space station auxiliary propulsion, and should be characterized by both long life and multipropellant operations, requirements limited by available materials.
Grisnik, S. P., Whalen, M. V.
core   +1 more source

Barriers for utilisation of biowaste

open access: yes, 2017
There is an increased focus on ensuring optimal use of the resources of the planet. However experience shows that legislation can hinder the use of the resources from waste.
Mikael Hallstrøm Eriksen   +8 more
openaire   +2 more sources

Integrated Biowaste Management by Composting at a University Campus: Process Monitoring and Quality Assessment

open access: yesApplied Sciences
The sustainable management of biowaste, mainly food and pruning waste, is currently a challenge due to the increase in its production. The CaMPuSTAJE program, which has been implemented on the campus of the Public University of Navarre (UPNA) since 2019,
Cristina Álvarez-Alonso   +8 more
doaj   +1 more source

First- and second-generation valorisation of wastes and residues occurring in the food supply chain

open access: yes
Despite the high potential to increase sustainability of food systems, wastes and by-products occurring in the food supply chain are currently only partially valorised at different value-added levels.
Cavinato, Cristina   +4 more
core  

Agroprospecting of Biowastes: Globe Artichoke (Cynara scolymus L. Cultivar Tema, Asteraceae) as Potential Source of Bioactive Compounds

open access: yesMolecules
Artichokes (Cynara scolymus L.) are valuable foods, thanks to their health benefits, but they generate significant waste during their production, harvesting, and processing, which poses sustainability issues.
Jorge M. Alves-Silva   +7 more
doaj   +1 more source

Effect of Padina gymnospora biowaste inclusion on in vitro methane production, feed fermentation, and microbial diversity

open access: yesFrontiers in Microbiology
In vitro studies were undertaken aiming to study the methane (CH4) mitigation potential of biowaste (BW) of Padina gymnospora at the graded inclusion of 0% (C), 2% (A2), 5% (A5), and 10% (A10) of the diet composed of straw and concentrate in 40:60 ratio.
Archit Mohapatra   +9 more
doaj   +1 more source

Organic residues - a resource for arable soils [PDF]

open access: yes, 2005
An increased recirculation of urban organic residues to arable soils has several environmental benefits, but there is a need for reliable test systems to ensure that soil quality is maintained.
Odlare, Monica
core  

Phytotoxicity Assessment of Agro-Industrial Waste and Its Biochar: Germination Bioassay in Four Horticultural Species

open access: yesAgronomy
This study investigated the phytotoxicity of agro-industrial wastes (almond, walnut, pistachio and peanut shells, asparagus spears, and brewer’s spent grain) and their biochar through germination bioassays in several horticultural species: green pea ...
Romina Zabaleta   +8 more
doaj   +1 more source

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