The composition of the welded joint obtained by the two welding methods are all uniform, the hardness is higher than the matrix metal, the comprehensive property is good.

两种焊接方法所得焊接接头成分均匀，硬度值均超过母材，综合性能良好。

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Objective: To Investigate the relationship between expression feature of Matrix Metal-Proteineses (MMP-9), VEGF, and it's clinical pathological changes in carcinoma of colon.

目的：探讨MMP - 9及VEGF在结肠癌的表达特点及其与临床病理改变间的关系。

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It demonstrated that the experiment of hardness is likely to upset in the experiment of compression. Hardness tester indenter make matrix metal plastic deformation and viscous flow happen.

结果表明，硬度实验类似于压缩实验中的镦粗，硬度计压头可使金属基体发生塑性变形及粘性流动。

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Engineers and scientists are developing many new types of materials such as carbon nanotubes, ceramic-matrix nanocomposites (and their metal-matrix and polymer-matrix equivalents), and new carbon fibers.

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The gorgeous speaker cabinets are easy on the eyes, with or without the speaker grille, and feature metal matrix waveguide-mounted tweeters that deliver big hi-fi sound from any location in the room.

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You could see into the other empty classrooms through the matrix of windows that formed walls around them, supported by bright orange metal framing.

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