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1)  nucleation-diffusion
成核-扩散
2)  diffusion controlled grain growth
扩散控制的晶核成长
1.
The results showed that the crystallization is a typical diffusion controlled grain growth from very small size, although the X ray diffraction pattern of the as quenched amorphous material does not show trace of ferromagnetic α Fe nuclei .
结果表明,虽然淬态非晶材料的X-射线衍射图谱中观察不到铁磁性的α-Fe 的痕迹,但材料的晶化过程显示为典型的扩散控制的晶核成长过程。
3)  nuclear proliferation
核扩散
4)  diffusion NMR
扩散核磁
5)  Sperm nuclear dispersion
精核扩散
1.
Sperm nuclear dispersion and meiotic maturation in fertilized eggs of pacific oyster were studied by light microscope.
(3)第一次成熟分裂结束,精核扩散速度减慢,核内染色体致密环状结构。
6)  nuclear non-proliferation
核不扩散
1.
From the perspective of international nuclear security, the former Soviet Union had a large nuclear arsenal, therefore, the collapse of it inevitably affects the international nuclear non-proliferation regime heavily and brings lots of practical problems to Russia—the legal successor of Soviet Union, in the field of nuclear non-prolife.
从国际核安全的角度讲,由于前苏联拥有庞大的核武库,所以苏联的解体必将对国际核不扩散形势带来负面影响,这也使其合法继承者俄罗斯在核不扩散领域不得不面对诸多急需解决的现实问题。
2.
The Treaty On the Non-Proliferation of Nuclear Weapons is the core of nuclear non-proliferation system.
《不扩散核武器条约》是核不扩散机制的核心,但是它决不仅涉及不扩散,而是涉及了核裁军、无核区、安全保证、核禁试、核出口控制、核安全以及反核恐怖等多个相关问题。
补充资料:核扩散
分子式:
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性质:经过核燃料循环生产的易裂变材料有可能被扩散并用于生产核武器,这称作核扩散。为防止核扩散,在1970年缔约国间签订了不扩散核武器的条约,各缔约国要作出有约束力和可核查的不扩散承诺,必须采取有效措施,防止出口涉及核扩散的敏感材料与设备。在后处理技术上,各国正在积极探索既可充分利用核资源又可防止核扩散的途径。

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