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309 results on '"TERRAS RARAS"'

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101. Vidros e Vitrocerâmicas Luminescentes de Germanato de Tântalo

102. Tuned structure of europium-doped Al2O3-ytrium luminescent composites and their spectroscopic behavior

103. Modern magnetic resonance approaches for characterizing rare-earth containing glasses and glass ceramics

104. RELEVÂNCIA DAS TERRAS RARAS PARA O SETOR ENERGÉTICO

105. Structural aspects of the glass-to-crystal transition in sodium-calcium silicate glasses

106. Isothermal evolution of phase composition, structural parameters, and ionic conductivity in Na1+Al Ge2-(PO4)3 glass-ceramics

107. Tungsten sodium phosphate glasses doped with trivalent rare earth ions (Eu3+, Tb3+, Nd3+ and Er3+) for visible and near-infrared applications

108. A importância da OMC para o desenvolvimento do comércio numa economia globalizada

109. Study of structural, optical and photoluminescent properties of the System α-(Ag2-3x-YRExLiy)Wo4 (RE = Pr, Sm, Eu, Tb, Dy and Tm)

110. The coupling of the electric and magnetic and the multicaloric effect

111. BaAl2O4:Eu3+ monophasic via Sol-Gel and modified Pechini methods: Evaluation of structural, morphological and spectroscopic properties for application in optical devices

113. Remoción de Cr (Vi) en residuos líquidos de laboratorios de servicios analíticos por fotocatálisis heterogénea y bioadsorción

114. Caracterización de los compuestos químicos obtenidos al emplear ácido acético como agente lixiviante en el tratamiento hidrometalúrgico de pilas Ni-MH desechadas

116. S??ntese de Ortoniobatos de Sam??rio (SmNbO4) polim??rficos por moagem de alta energia

117. Identificação dos elementos terras raras na região do Arjani/Campos Novos

118. Yttrium and Aluminum oxides doped with Yb3+ e Er3+ incorporated in polyamide membrane

119. Estudo da luminescência persistente em cerâmicas translúcidas de CaAl2O4:Eu2+,RE3+ sinterizadas a laser

120. Caracterização da rocha fosfática de Angico dos Dias (BA) visando a recuperação de cério, lantânio e neodímio

121. Extração de ítrio de solo arenoso via mineração assistida por campo elétrico

122. Luminescence tuning and single-phase white light emitters based on rare earth ions doped into a bismuth coordination network

123. New luminescent lanthanide-based coordination compounds: synthesis, studies of optical properties and application as marker for gunshot residues

124. A new fabrication process of pedestal waveguides based on metal dielectric composites of Yb3+ /Er3+ codoped PbO-GeO2 thin films with gold nanoparticles

125. Network former mixing effects in heavy metal oxide glasses: structural characterization of lead zinc phosphotellurite glasses using NMR and EPR spectroscopies

126. Structural studies of NaPO3-AlF3 glasses by high-resolution double-resonance nuclear magnetic resonance spectroscopy

127. Estudo geoquímico e isotópico de rochas carbonáticas das formações gandarela e fecho do funil – Quadrilátero Ferrífero - Brasil

128. Observation of magnetic-field-induced transitions in the DyNi3Ga9 intermetallic compound

129. Detecção de minério portador de elementos de terras raras do depósito de Pitinga/AM, Brasil assistido por tecnologia de sensor-based sorting

130. Avalia??o da efici?ncia qu?mica de catalisadores heterog?neos baseados em min?rios e rejeitos de minera??o nas rea??es de transesterifica??o de triacilglicer?is de bio-?leo

131. Patterns of rare earth and other trace elements in Paleogene and Miocene clayey sediments from the Mondego platform (Central Portugal)

132. Structure-property relations in new fluorophosphate glasses singly- and co-doped with Er3+ and Yb3+

133. Spherical-shaped Y2O3:Eu3+ nanoparticles with intense photoluminescence emission

134. A geopolítica das terras raras

135. The dispute over military strategic resources comes to the WTO

136. Síntese e caracterização das propriedades fotoluminecentes do CaMoO4 com terras raras obtidos pela técnica de spray pirólise ultrassônico

137. Análise Prospectiva para Elementos Terra Raras Através da Modelagem Geoestatística e Integração de Dados Aeroradioelementos no Sudoeste de Rondônia

138. Transformando Recursos Naturais em Vantagem Industrial: o Caso da Indústria de Terras Raras na China

139. Development of organic-inorganic hybrids of the luminescent core@shell type aiming application in biological marking

140. Rare earth elements and thorium in coffee roots in soils with phophophgypsum application

141. Influência dos íons Ce4+, Sm3+ e Gd3+ nas propriedades fotoluminescentes e fotocatalíticas do óxido de zinco

142. Synthesis and characterization of yttrium vanadate containing ions Nd3 + from the Sol Gel process

143. A New Appraisal of Sri Lankan BB Zircon as a Reference Material for LA-ICP-MS U-Pb Geochronology and Lu-Hf Isotope Tracing

144. Desenvolvimento de material de referência para geocronologia U-Pb e traçador isotópico Sm-Nd em XENOTIMA-(Y) por LA-ICP-MS

145. Crystal-field effects in Er3+- and Yb3+-doped hexagonal NaYF4 nanoparticles

146. Investigations of anharmonic effects via phonon mode variations in nanocrystalline Dy2O3, Gd2O3 and Y2O3

147. High red emission intensity of Eu:Y2O3 films grown on Si(1 0 0)/Si(1 1 1) by electron beam evaporation

148. Charge compensation in RE3+ (RE = Eu, Gd) and M+ (M = Li, Na, K) co-doped alkaline earth nanofluorides obtained by microwave reaction with reactive ionic liquids leading to improved optical properties

149. Cerium phosphate nanoparticles with low photocatalytic activity for UV light absorption application in photoprotection

150. Caracterização mineralógica, geoquímica e potencial econômico de ocorrências de terras raras do Maciço Granítico Mocambo, Goiás

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