• 隧道消防设施采用灭火器+消火栓系统+固定式水成膜泡沫灭火装置+泡沫-细灭火系统。

    Fire control devices such as fire extinguisher, hydrant water supplying system, AFFF system and foam-water spray extinguishing system are used in this tunnel.

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  • 本文从碳表面活性剂泡沫灭火剂关系出发分析我国水成膜泡沫灭火剂未能大量推广使用主要原因

    The reason of aqueous film forming foam (AFFF) having not been used widely in China was discussed, based on the relationship between AFFF and fluorocarbon surfactants.

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  • 方法雷公乙醇提取物入药制备,采用大鼠完全佐剂性关节炎模型,观察不同药物组对原发性肿胀和继发性肿胀影响。

    Methods The crude drugs of root or stem of Tripterygium wilfordii Hook. were extracted by water or ethanol. The film-forming preparations were made of different extractives.

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  • 利用聚合物表面改性表面粗糙方法大幅改善PP表面的润湿性,成膜40%提高约95%。

    Based on polymer surface modification and roughening method, the PP surface wettability against water was improved significantly. Film-forming ratio was increased from about 40% to 95%.

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  • 浇铸PLLAMPEG成膜易脱落,稳定性

    The casting PLLAMPEG layer has a good filming property but the stability is bad.

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  • 浇铸PLLAMPEG成膜易脱落,稳定性

    The casting PLLAMPEG layer has a good filming property but the stability is bad.

    youdao

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