旧石器时代
发表于 2025-3-25 05:46:27
,Am DTA orientiertes Qualitätsmodell,e weight loss was found to be proportional to the reaction time and to the thickness of the silica-rich layer which formed on the surface of the glass. During the second stage, the weight loss was found to slow down gradually, and the concentration of Na, Ca, Si, and P in the reacted solution increa
光亮
发表于 2025-3-25 07:54:43
https://doi.org/10.1007/978-3-658-15380-9al with glassy grain boundary phase exhibited the highest oxidation rate. The additive cations in the grain boundary migrated to the surface oxide scale, and beneath the scale, the decrease of glass phase were observed. The material with crystallized grain boundary phase of Mg-sialon and Mg.SiO. als
Asperity
发表于 2025-3-25 12:16:13
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协定
发表于 2025-3-25 19:19:15
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省略
发表于 2025-3-25 23:53:08
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mediocrity
发表于 2025-3-26 02:11:08
Microdesigning of Ceramic-Metal Compositesl design are addressed with respect to capillarity and reaction thermodynamics. The B.C−Al system is used to illustrate the formation of tailored microstructures which exhibited average fracture strength of 621 MPa and fracture toughness of 9.7 MPa·m. at 36 v/o Al content.
ATOPY
发表于 2025-3-26 04:30:28
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amphibian
发表于 2025-3-26 09:10:19
Microstructure Characterization of Basalt Glass-Ceramicshe original glasses were taken, and scanning electron microscopy with energy-dispersive x-ray microanalysis was performed in order to characterize the microstructure. Potential applications of these basalt glass-ceramics are as wear-resistant materials and as a candidate matrix for nuclear-waste immobilization.
Costume
发表于 2025-3-26 16:02:03
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Canvas
发表于 2025-3-26 20:51:55
Progress in the Understanding of Ceramic Microstructures and Interfaces Since 1976rs . on “Concepts Plausible and Necessary for Interpretation of Grain Boundary Phenomena” of 1974, and Johnson’s Review . on “Grain Boundary Segregation in Ceramics” of 1977 will mark the position around the mid-seventies.