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The Ag(Nb 1–x Ta x)O 3 has a high dielectric constant ε r of about 400 and a quality factor of about 700 GHz. The Ag(Nb 0.65 Ta 0.35)O 3 and Ag(Nb 0.35 Ta 0.35)O 3 have opposite temperature dependence of ε r. By preparing a mixture of 45 wt% Ag(Nb 0.65 Ta 0.35)O 3 and 55 wt% Ag(Nb 0.35 Ta 0.65)O 3 and controlling the microstructure by using ...
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For explosion bonded Nb–Cu, the Nb layer is 1 mm thick, has high RRR, combined with the high thermal conductivity copper, and the stiffness of the thick copper backing. This approach offers the advantages of the bulk Nb performance as opposed to the sputtered Nb–Cu with μ m layer of Nb, which suffers from the Q -slope (section 5.2 ).
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Nb and Ta are always found together in natural mineral deposits and both are relatively quite rare, with abundance estimates in the earths crust ranging from 0.01 to 0.0001 % m/m. The most important ores are Tantalite (Mn, Fe)·(Ta, Nb) 2 O 6 containing 38-86 % m/m Ta 2 O 5 and Columbite (Mn, Fe)·(Nb, Ta) 2 O 6 containing 40-78% m/m Nb 2 O 5 ...
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Chemistry of Materials 2021, 33, 14, 5631-5638 (Article) Publication Date (Web): July 13, 2021. Abstract. Full text. PDF. ABSTRACT. Cis-to-trans isomerization of poly (thienylenevinylene) is found to be a viable fabrication method for semiconducting trans-poly (thienylenevinylene) (trans-P1) thin films. Specifically, thin films of trans-P1, an ...
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The Late Triassic Guichon Creek batholith is a large (~ 1800 km2), composite, zoned batholith that hosts several large porphyry Cu-Mo deposits of the Highland Valley Copper district. The batholith consists of intrusive rocks that range in composition from gabbro to quartz monzonite. Adjacent to the mafic margin of the batholith is the Gump Lake granodiorite to …
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Rice is a major staple food crop in the world. Over 80 % of rice cultivation area is under indica rice. Currently, genomic resources are lacking for indica as compared to japonica rice. In this study, we generated deep-sequencing data (Illumina and Pacific Biosciences sequencing) for one of the indica rice cultivars, HR-12 from India. We assembled over …
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KineMaster is a high-quality video editor program. The easy to use program allows for creating multiple layers over your videos, so you can edit them without harming the original file. Other features include adjusting the clip's length with precise trim and cutting tools, adding multiple audio tracks, insert 3D transitions, and much more.
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Rare-element pegmatite. Granitic pegmatites are coarse-grained igneous rocks that contain abundant crystals with skeletal, graphic or other strongly directional growth-habits, or anisotropic layered mineral fabrics ( London, 1992, 2018 ). Giant or megacrystic crystals may also be present.
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The Vanta analyzer is our most advanced handheld X-ray fluorescence (XRF) device for customers who demand laboratory-quality results in the field. It provides rapid, accurate elemental analysis and alloy identification for high-throughput XRF testing. Vanta handheld XRF analyzers are built to be tough.
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Planar's commitment to high quality, leading-edge display technology is unparalleled. With innovations in LCD display, video walls, large format displays, and touch interactivity, Planar offers the best visualization solutions for a variety of demanding vertical markets around the globe. Learn more.
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Paragenesis and precipitation stages of Nb-Ta-oxide minerals in phosphorus-rich rare-element pegmatites (Buranga dike, Rwanda) Fernando Prado Araujo, Niels Hulsbosch, and Philippe Muchez: 10.2138/am-2022-8201: link: The influence of Al 2 O 3 on the structural properties of MgSiO 3 akimotoite
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The interactions between inks and substrates (wettability and adhesion) are mainly depending on their surface energies and can be described by Young's and Dupre's equations, (9) γ sg = γ sl + γ lg cos θ Young's (10) W sl = γ sg + γ lg-γ sl Dupre's where W, γ, and θ are work of adhesion, surface energy, and contact angle, respectively .These equations suggest that for a …
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