阿根廷、意大利与阿联酋表示,他们正在安装辐射探测装置,以检查夹带在货物中的裂变材料。
Argentina, Italy and the United Arab Emirates said they were working to install radiation detectors to check cargo for fissile material.
该装置的全称叫做“便置式拱形折流坝”。它与前两种装置采用相同材料制作,可以围住一个被暂时封堵住的堤坝裂口,使之与河水隔开。
The Rapidly Emplaced Hydraulic Arch Barrier, made of the same material as the other two devices, can be put in place around a plugged breach to keep it sealed and dry once the plug has been removed.
论述了膜的材料与分类,膜的制备方法及膜分离装置。
Material and sort, making method and separation devices of the membrane are described.
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