Results 101 to 110 of about 4,245 (208)

Ohjeistus PEFC-sertifioinnin sisäisiin auditointeihin : metsänhoitoyhdistys Päijät-Häme [PDF]

Tämän opinnäytetyön toimeksiantajana toimii Päijät-Hämeen metsänhoitoyhdistys. Opinnäytetyönä laadittiin opas PEFC-sertifioinnin sisäisiin auditointeihin.
Kantola, Helinä
core  

Observer-based and funnel-based predefined-time event-triggered adaptive formation tracking control for multiple quadrotors

Results in Engineering
This paper designs a predefined-time event-triggered formation control (PEFC) scheme for multiple quadrotors with unknown external disturbances. In the position system, the designed predefined-time distributed state observer (PTDSO) is utilized to ...
Meiling Tao, Shuai Zhang
doaj   +1 more source

La certification PEFC : un nouveau standard de gestion durable

Revue Forestière Française
La validation du nouveau référentiel PEFC (Programme de reconnaissance des certifications forestières) questionne conjointement le droit forestier et le droit de la propriété intellectuelle.
Xavier Fauque, Lisa Pinamonti
doaj   +1 more source

Warranty for a better world? The politics of environmental knowledge in bioeconomic sustainability certificates. [PDF]

Ambio, 2023
Stokland HB, Aspøy H, Krange O, Skogen K.   +3 more
europepmc   +1 more source

Russian Status of Research and Development on PEFC

Journal of the Japan Institute of Energy, 2006
Russian scientists and engineers are working on fuel cells and related technologies based on their huge scientific accumulation inherited from Soviet era. This paper introduces their activities which have not been fully transmitted to the world so far. R&D's in many Russian research institutes and universities range over electrolyte catalysts, membrane
openaire   +2 more sources

Effects of the operational conditions on the membrane and electrode properties of a polymer electrolyte fuel cell

Journal of the Brazilian Chemical Society, 2002
The effects of the operational conditions on the membrane and electrode properties on a polymer electrolyte fuel cell (PEFC) were investigated as a function of the cell and the gas humidifiers temperatures, the thickness of the membrane, the impregnation
Passos Raimundo R., Ticianelli Edson A.
doaj  

Heavy water recycling for producing deuterium compounds. [PDF]

RSC Adv, 2022
Akutsu-Suyama K, Sajiki H, Ueda M, Asamoto M, Tsutsumi Y.   +4 more
europepmc   +1 more source

PEFC-sertifioinnin Toteutuminen Itä-Uudenmaan Alueella

PEFC-sertifioinnin tarkoituksena on edistää kestävää metsänhoitoa erilaisin metsään koskevin vaatimuksin. Tämän tutkimuksen tavoitteena on selvittää, kuinka hyvin näitä vaatimuksia on noudatettu Itä-Uudenmaan alueella.
Oksanen, Inka
core  

Assessment of Dye-Absorbed Eggshell Membrane Composites as Solid Polymer Electrolyte of Fuel Cells. [PDF]

Membranes (Basel), 2023
Tanifuji N, Shimizu T, Ida K, Nishio K, Tanaka M, Tsukaguchi Y, Tsubouchi K, Shimizu A, Hino EI, Date Y, Aoki K, Yoshikawa H.   +11 more
europepmc   +1 more source

Influence of current densities in SOFC and PEFC stacks on a SOFC-PEFC combined system

Influence of current densities in SOFC and PEFC stacks on a SOFC-PEFC combined system
identifier:oai:t2r2.star.titech.ac.jp ...
openaire   +1 more source