The UN Security Council in turn has issued a resolution banning sales of nuclear materials or technology to Iran. 联合国安理会因此通过一项决议禁止向伊朗销售核原料和核技术。
The United States and China are also working as international & with international partners to counter the threat posed by the spread of nuclear weapons, materials and technology, so called nonproliferation. 美国和中国也进行国际的&与国际合作伙伴一道,对抗核武器、核材料和技术扩散所造成的威胁,即所谓的防扩散。
The paper analyses the current delay elements and technology for physical protection of nuclear facilities and materials, presents the improvement method and development trend of delay technology. 分析了核材料与核设施实物保护延迟技术和延迟设施的现状,提出了延迟技术的改进措施和发展趋势。