Beside them, the wall is covered in over 400 disc-shaped material samples.

在他们旁边，墙上安置着400个圆盘形状的材料样品。

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The alloy powder was produced by gas atomization. P/M material samples were made by pressing and sequent vacuum sintering.

通过气喷气冷法制取合金粉末，用压制后真空烧结的方法制备高铝锌基合金粉末冶金材料。

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The analytic results of kerogen-like material samples show that bacterially degraded algal cells have a tendency to gelation during pyrolysis;

类干酪根分析结果表明，细菌降解的藻细胞在热解时更易凝胶化；

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These intense rays are then channelled off into beamlines and focused on to samples of material, like the Mary Rose timbers, allowing their fine structure to be analysed.

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Dr Dror thinks that in about 25% of cases, tiny samples or the mixing of material from more than one person can lead to such ambiguity.

ECONOMIST: Forensic science

To convince wary airline executives that carbon-fiber body material was strong, Boeing sales teams carried samples and hammers, letting airline executives whack the composite with all their might.

WSJ: Boeing Shows How Innovation Can Be Messy