• A number of vertical line sources was generally caused by catalytic agents, dispersed from falling pyrotechnical flares of an airplane or a rocket.

    下投式飞机火箭分散催化剂一般都形成若干条垂直线

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  • The influence of the oxygen balance of pyrotechnical combustion agent and the structure of its rare earth metal shell on the burning performance of the combined combustion element were studied.

    分析烟火燃烧平衡稀土壳体结构复合燃烧元件燃烧性能影响,提供了复合燃烧元件的各项物化性能数据。

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  • The influence of the oxygen balance of pyrotechnical combustion agent and the structure of its rare earth metal shell on the burning performance of the combined combustion element were studied.

    分析烟火燃烧平衡稀土壳体结构复合燃烧元件燃烧性能影响,提供了复合燃烧元件的各项物化性能数据。

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