Results 111 to 120 of about 18,849 (217)
Definition of a resistojet control system for the Manned Orbital Research Laboratory. Volume 3 - Biowaste utilization Final report [PDF]
Biowaste utilization analysis for defining resistojet control system for Manned Orbital Research ...
Byke, R. M. +2 more
core +1 more source
Organic residues - a resource for arable soils [PDF]
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
Gravity sensitivity of a resistojet water vaporizer [PDF]
A laboratory model of a water vaporizer for resistojet applications was designed, fabricated, and steady and transient characteristics were measured. Vaporizer operation was not impacted by rotation about a horizontal axis normal to its own.
Morren, W. Earl
core +1 more source
Editorial: Biowaste valorization utilizing microbial systems
Debarati Paul +3 more
openaire +3 more sources
Synthesis of Lignin Nanoparticles: Top-Down and Bottom-Up Approaches
Lignin, a main byproduct from paper manufacturing and biorefineries, is now emerging as a new low-cost, renewable starting material for new product development. Its biocompatibility and safety make it valuable for creating novel and value-added products.
Rossella Grappa +4 more
doaj +1 more source
Waste composts as nitrogen fertilizers for forage leys
Two field experiments, conventional grass ley and organic grass-clover ley, were established with barley as a nurse crop in spring 2000 and given either low or high fertilization with mineral fertilizer (Mineral) or composts.
T. TONTTI, A. NYKÄNEN, M. KUISMA
doaj
In the realm of nanotechnology, the synthesis of nanoparticles using environmentally benign methods, such as using plant extracts, has garnered significant attention.
Heng Mei Hsuan +10 more
doaj +1 more source
Power needs for electric propulsion [PDF]
Power supplies for spacecraft electric propulsion ...
Mickelsen, W. R.
core +1 more source
The promotion of renewable energy sources: European experiences and steps forward [PDF]
This study investigates the instruments used by governments in order to support renewable energy sources in the European Union. The findings of this study reveal that policy goals could be achieved by using a large variety of instruments and renewable ...
Andreea ZAMFIR
core
Automated biowaste sampling system urine subsystem operating model, part 1 [PDF]
The urine subsystem automatically provides for the collection, volume sensing, and sampling of urine from six subjects during space flight. Verification of the subsystem design was a primary objective of the current effort which was accomplished thru the
Fogal, G. L. +2 more
core +1 more source

