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冻结和解冻试验
仅适用于胶状类型的硝化甘油炸药的温度试验。将一个敞开的 100g 重的药卷放人一个相当尺寸的试管中,该试管由光滑的塞子封闭,在 freezing 3freezing-6°C 温度下放置16h,然后在室温下保存8h。将该实验重复进行3d, 检查药卷是否变形有无炸药胶体泄漏
expl.
freezing and thawing test
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