Results 101 to 110 of about 18,323 (221)
PALLADIUM NANOPARTICLES AS CATALYST OF ISOTOPE EXCHANGE MOLECULAR HYDROGEN REACTION [PDF]
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2012 It has been detected, that the size of metal nanoparticles has an influence on adsorption properties and catalytic activity of deposited palladium catalysts used in H2 – D2 exchange reactions and ortho-para protium conversion reactions.
A.A Odintsov, M.O. Sergeev, O.A. Boeva
doaj
Características da estrutura de uma floresta de terra firme em Porto Velho, Rondônia. [PDF]
, 2011 O objetivo deste trabalho foi estudar a estrutura de um fragmento de floresta ombrófila aberta com a finalidade de ampliar o sistema de informações sobre a tipologia florestal no estado de Rondônia.
BARROS, J. de O. +5 more
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PHYSICA CONDITINS OF THE ‘LIGHT’ CORE FORMATION AND THERMONUCLEAR HEAT SOURCE DEEP INSIDE THE EARTH [PDF]
, 2018 Purpose. Experimental research into the physical model of the Earth’s core formation in the center of gas‑dust spiral vortex and numerical assessment of the physical conditions associated with the development of thermonuclear reactions in the Earth’s ...
Bilan, N.V., Sobolev, V.V.
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Natural Product Research, 2018 In Brazilian folk medicine, Protium heptaphyllum is used to treat inflammatory conditions and to hasten wound repair. This paper aims to investigate the chemical composition and the in vitro antibacterial effects of the essential oils (EOs) obtained from
R. S. C. Cabral +8 more
semanticscholar +1 more source
Pesquisa Florestal Brasileira, 2012 Este trabalho teve por objetivo conhecer a fitossociologia do componente arboreo em uma mata ciliar de um corrego que desagua no Rio Sirinhaem, localizado no Engenho Buranhem, Sirinhaem, PE e identificar as sindromes de dispersao das especies.
Roseane Karla Soares da Silva +4 more
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Chemical Composition and Biological Activities of Fragrant Mexican Copal (Bursera spp.)
Molecules, 2015 Copal is the Spanish word used to describe aromatic resins from several genera of plants. Mexican copal derives from several Bursera spp., Protium copal, some Pinus spp. (e.g., P. pseudostrobus) and a few Fabaceae spp.
Giulia Gigliarelli +3 more
doaj +1 more source
Madeiras que produzem álcool, coque e carvão [PDF]
, 1980 As espécies aqui consideradas foram coletadas por nós, no Centro-Oeste, na Amazônia e no Nordeste. Com base na freqüência de vasos, de fibras, de parênquima axial e radial, no diâmetro e fração parede das fibras, no teor de lignina, bem como na avaliação
Paula, José Elias de
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Revista Argentina de Microbiología, 2017 Control of fungal pathogens is mainly addressed by the use of chemically synthesized fungicides which result in environmental pollution, developing resistance after prolonged use.
Juan E Fierro-Cruz +2 more
semanticscholar +1 more source
Química Nova, 2000 Eight triterpenes, maniladiol, breine, ursa-9(11):12-dien-3beta-ol, oleana-9(11):12-dien-3beta-ol, 3alpha-hydroxy-tirucalla-8,24-dien-21-oic acid, 3alpha-hydroxy-tirucalla-7,24-dien-21-oic, alpha and beta amyrines were isolated as binary mixtures ...
Maia Robinson Magalhães +4 more
doaj
, 2007 Published as part of Jarvis, Charlie, 2007, Chapter 7: Linnaean Plant Names and their Types (part A), pp. 252-342 in Order out of Chaos. Linnaean Plant Types and their Types, London :Linnaean Society of London in association with the Natural History Museum on page 287, DOI: 10.5281/zenodo ...
openaire +1 more source