• 论述红外二级串联二级工艺有机配方工艺。

    The formulation and technology of nitrocotton organic film on the second-stage screen in two-stage series IR image converter tube are described.

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  • 利用我国现有力学性能测试手段全面研究氮量叠氮胺发射药低温力学性能影响

    The article studies the influence of nitrogen content of nitrocellulose on the mechanical properties of the diazidonitrazapentane(DIANP) propellant (DA propellant).

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  • 应用反射仪测定组织含量研究态氮作为氮营养诊断追肥推荐指标的可行性。

    Field experiments were conducted to study cotton nitrogen diagnosis and topdressing recommendation by measuring cotton tissue NO 3 - concentration with Reflectoquant .

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  • 应用反射仪测定组织含量研究态氮作为氮营养诊断追肥推荐指标的可行性。

    Field experiments were conducted to study cotton nitrogen diagnosis and topdressing recommendation by measuring cotton tissue NO 3 - concentration with Reflectoquant .

    youdao

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