Results 21 to 30 of about 498,968 (231)
This study investigates the effect of the reaction temperature (step 1) and reaction time (step 1 and 2) on the conversion efficiency and impurity profile of amphetamine synthesized via the Leuckart method. Conversion efficiency and impurity profile were assessed using gas chromatography–flame ionization detection (GC–FID) and GC–mass spectrometry (GC ...
Maartje C. M. Verhoeven +7 more
wiley +1 more source
Cartografia cognitiva: mapeando conhecimento e organizando rede de informação na Internet [PDF]
O objetivo deste trabalho é discutir como webmaps (mapas na Internet) podem ser utilizados para propiciar a construção do conhecimento e organizar redes de informações na Internet.
Okada, Alexandra Lilavati Pereira
core
Abstract This study evaluates the potential of a new organic fertilizer derived from porcine intestinal mucosa (designated BHE), a by‐product of the heparin extraction process, as a sustainable nitrogen (N) source for agriculture. The work was conducted in two stages: (i) chemical and spectroscopic characterization of BHE compared with poultry litter ...
Aline Zanquetti +3 more
wiley +1 more source
El presente articulo se centra en el estudio de las relaciones analogicas establecidas entre la ciudad y el cosmos o el mundo en diversos textos del Siglo de Oro, mediante la comparacion del plano urbano con un mapamundi.
Alonso Miguel, Álvaro
core +1 more source
Wheat flour particle size: Influence of mill design and effects on quality and performance
Abstract Among the various characteristics of wheat (Triticum aestivum) flour, particle size is of paramount importance globally. The industrial process of separating the three main components (endosperm, bran, and germ) must ensure that the desired quality is delivered to customers through a progressive reduction in the size of the endosperm until the
Ricardo Barroso Lopes +3 more
wiley +1 more source
ABSTRACT The Cova Eirós archaeopaleontological site preserves the most comprehensive archaeostratigraphic sequence in the northwestern Iberian Peninsula, with an exceptionally rich record spanning from the Mousterian to the Upper Paleolithic. The extensive fragmentation of the faunal record and the rich taxonomic diversity at this site have limited the
Hugo Bal‐García +9 more
wiley +1 more source
La recuperación de símbolos del Siglo de Oro en la obra de Jorge Luis Borges
La obra de Jorge Luis Borges (1899-1986) siempre suele relacionarse con la de autores ajenos a la literatura española como De Quincey, Stevenson, Whitman, Chesterton, Coleridge o Poe. Su anglofilia es bien conocida por todos.
Miguel Antón Moreno
doaj +1 more source
Mapas Conceptuales y Mapas Mentales: Composición, Funciones y Principios de Calidad [PDF]
A concept map or a mental map (as of now, we'll use the first as a unifying term) is a class diagram that tries to represent graphically a conceptual system components as well as relations between them.
Codina, Lluís
core
Ancient Cartographies as a Basis for Geolocation Models in Public Space: The Case of Giambattista Nolli and its Heritage Application [PDF]
In 1748, the architect and surveyor Giambattista Nolli mapped an abstract reality of the city of Rome. As a challenge to the inherited projections, it represented the city mixing streets, halls, corridors, churches, baths and markets as part of a unique ...
Cubero Hernández, Antonio +2 more
core +1 more source
Abstract Human‐wildlife conflicts (HWCs) are one of the most critical conservation challenges worldwide. Large carnivores are frequently at the centre of these conflicts because of the perceived and real threats they pose to livestock and human safety.
Esperanza C. Iranzo +10 more
wiley +1 more source

