Results 151 to 160 of about 67,320 (256)

Metalurgia pre-islámica en Marruecos: Nuevos análisis y valoración comparativa con la metalurgia de la Península Ibérica

, 2012
Se presentan nuevos análisis sobre la composición de metales de distintas cronologías pre-islámicas de yacimientos de Marruecos. La técnica empleada es la espectrometría por fluorescencia de rayos X (ED-XRF). Destaca el elevado número de objetos manufacturados en cobre sin alear, incluso en periodos más recientes, aunque también se detectan bronces y ...
Montero Ruiz, Ignacio, Bokbot, Youssef, Murillo-Barroso, Mercedes, Gener, Marc   +3 more
openaire   +1 more source

Editorial: Biotechnologies to recover critical metals. [PDF]

Front Bioeng Biotechnol
Villa Gomez DK, van Hullebusch ED, Pat Espadas AM, Nancucheo I.   +3 more
europepmc   +1 more source

COLLATERAL'S IMPORTANCE IN SMES FINANCING: WHAT IS THE BANKS' RESPONSE? SOME EVIDENCE FOR ROMANIA [PDF]

Searching for funding, SMEs' managers face various obstacles arising from information asymmetry, lack of experience, severe market conditions, and insufficient or unsatisfactory collaterals for banks (OECD 2006; Badulescu and Badulescu 2010; OECD 2000 ...
Badulescu Daniel, Petria Nicolae
core  

From Structure to Optics: The pH-Temperature Interplay in Aqueous Solution CdS Nanoparticles. [PDF]

Nanomaterials (Basel)
Sanchez-Ramirez EA, Arellano-Piña R, Hernandez-Perez MA, Bello-Teodoro S, Garcia-Aguirre KK, Sastré-Hernández J, Aguilar-Hernandez JR.   +6 more
europepmc   +1 more source

Niobium-Based Conditioning Layer to Reduce Bacterial Adhesion and Biofilm Formation on Titanium Surface. [PDF]

ACS Omega
Oliveira VC, Magalhães NL, Maciel CRO, Silva AFAS, Bim LL, Chaves C, do Nascimento C, Paula-Silva FW, Silva-Lovato CH, Ramos AP, Ferreira AM, Watanabe E.   +11 more
europepmc   +1 more source

Simulación de la Metalurgia Secundaria

, 2017
Análisis y estudio de la metalurgia secundaria, y simulación de la misma mediante un software ...
openaire   +1 more source

Thermal Insulation and Compressive Strength of Lightweight Geopolymer Foam Concrete Exposed to Accelerated Weathering by Carbonation, Salt Fog and UV Light. [PDF]

Materials (Basel)
de la Rosa-Corral GA, Corral-Higuera R, Arredondo-Rea SP, Castro-Beltrán A, De la Cruz-Delgado A, Martinez-Garcia A, Orozco-Carmona VM.   +6 more
europepmc   +1 more source

Effect of Nb Content and Second Heat Cycle Peak Temperatures on Toughness of X80 Pipeline Steel. [PDF]

Materials (Basel), 2023
Chen Y, Yang Y, He X, Chi Q, Qi L, Li W, Li X.   +6 more
europepmc   +1 more source

Green Synthesis of ZnSe Nanoparticles via Laser Fragmentation: Effect of Laser Pulse Energy on Nanoparticle Size and Surface Phonon Modes. [PDF]

Nanomaterials (Basel)
Maldonado-Altamirano P, Hernandez-Perez MLA, Martínez-Ara LA, Sastré-Hernández J, Santoyo-Salazar J.   +4 more
europepmc   +1 more source

Molten Salt Synthesis and Electrochemical Evaluation of Na/Ag-Containing Mn_xO_y Composites for Pseudocapacitor Applications. [PDF]

Materials (Basel)
Martínez-Morales C, Romero-Serrano A, López-Rodríguez J, Arellanes-Lozada P.   +3 more
europepmc   +1 more source