Results 261 to 270 of about 1,084,894 (326)
Sustainable structural materials inspired by nature
Abstract A society's wealth relies on three pillars: human capital, nature, and the economy. Sustainable materials development must uphold all three. For load‐bearing materials, mechanical properties, namely, stiffness, strength, and toughness are crucial for human needs, while energy, water usage, and CO2 emissions reflect their ecological footprint ...
Mohammad Mirkhalaf
wiley +1 more source
Abstract The interaction behavior between iron oxide‐bearing slags and carbon‐bonded MgO refractory (MgO‐C) containing calcium magnesium aluminate (CMA) was investigated at 1400°C, 1500°C, and 1600°C. After the iron oxide was reduced by the carbon from the MgO‐C refractory, a significant amount of MgO and metallic iron was observed to precipitate and ...
Xingwen Wei+6 more
wiley +1 more source
Assessing the Impact of Vegan Toothpastes on Enamel Color Change and Surface Properties
ABSTRACT Objective To evaluate color (ΔE00) and whiteness index (ΔWID) changes, surface hardness loss (SHL), roughness (Ra), mineral content, and morphology of enamel brushed with vegan toothpastes. Methods Enamel blocks (n = 10/group) were stained with black tea (T0) underwent 15.000 (T1) and 30.000 (T2) toothbrushing cycles with: (n = 10): (AS ...
Reginna Vyctoria da Trindade Souza de Melo Carneiro+3 more
wiley +1 more source
ABSTRACT Objective To evaluate the masking ability of different thicknesses of CAD‐CAM resin‐matrix and feldspar porcelain materials. Materials and Methods Specimens (Ø7.5 mm, thickness 0.5, 1.0, and 1.5 mm, n = 3/material) were fabricated from Lava Ultimate‐LU, Grandio Blocs‐GB, VITA Enamic‐VE, and VITA Mark II‐VM.
Bruno Arruda Mascaro+5 more
wiley +1 more source
Overview of XS of pathological radius. Using anatomical descriptions, CT scanning and bone histology, we investigate several skeletal overgrowths of bone (exostoses) in the skeleton of a jackal‐like canid from the world famous Langebaanweg, a Mio‐Pliocene locality in South Africa.
Anusuya Chinsamy, Alberto Valenciano
wiley +1 more source
Abstract Purpose To explore the impact of zirconia types, coloring methods, and surface finishing on the color stability of monolithic multilayered polychromatic zirconia after artificial aging, including thermocycling and simulated toothbrushing. Materials and Methods Eighty square‐shaped zirconia samples were divided into 2 types (M3Y‐TZP and M6Y‐PSZ)
Feras M. Abounassif+5 more
wiley +1 more source
Calcium Carbide Industry in Japan Today
openaire +2 more sources
The Mining Industries, 1899-1939: A Study of Output, Employment, and Productivity [PDF]
Harold Barger, Sam H. Schurr
core
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Organic Letters, 2023
An efficient method for the construction of 1,2,3-triarylindoles through one-pot multicomponent reactions using calcium carbide, 3 mol of iodoarenes, and aromatic amines as starting materials was described.
Zhenrong Liu+3 more
semanticscholar +1 more source
An efficient method for the construction of 1,2,3-triarylindoles through one-pot multicomponent reactions using calcium carbide, 3 mol of iodoarenes, and aromatic amines as starting materials was described.
Zhenrong Liu+3 more
semanticscholar +1 more source