封面故事：金属纳米微粒及有序晶体结构。
Cover Story: Nanoscale particles of metals and its ordered crystal structure.
金属纳米微粒的热力学性能不仅依赖于纳米微粒的尺寸，还依赖于纳米微粒的形状。
The thermodynamic properties of metallic nanoparticles not only depend on the particle size, but al - so depend on the particle shape.
通过引入描述纳米微粒形状效应的形状因子，建立了金属纳米微粒尺寸形状效应的结合能函数与熔化温度函数。
By introducing a shape factor, the functions on cohesive energy and melting temperature are developed which can describe thee effect of size and shape of metallic nanoparticles.
它的生产过程是将不同元素的前驱粒子混在一起制成“纳米微粒墨”，将其连续不断地涂在金属薄片表面，然后通过加热处理使粒子适当地组合。
It mixes small precursor particles of the different materials to create a "nanoparticle ink" that is continuously coated onto metal foil and then heated so that the particles assemble correctly.
各化学母质流向滚动中的金属或塑料基片的表面，他们互相作用，形成一层纳米级微粒网状结构。
As chemical precursors stream onto the surface of a rolling metal or plastic substrate, they react with one another to form a network of nanoparticles.
纳米金属微粒的颜色和金属块不一样。
Nanoparticles of metal do not have the same colour as that metal does in bulk.
通过对新场气田地气测量分析，发现地气测量的纳米微粒金属元素在新场气田上方有明显的异常显示。
Geogas survey performed in the Xinchang gas field shows that there exist obvious anomalies of nano-particle metal elements over the gas field.
该研究揭示了纳米金属微粒在自然界中的存在，丰富了地球化学理论，对寻找和识别隐伏矿床具有重要应用价值。
The ordered crystal structure indicates the existence of nanometer metal particles in the nature and provides direct observation evidence for deep-penetrating geochemistry.
并根据上述函数得出了金属晶体纳米微粒存在的最小临界尺寸表达式与最低熔化温度表达式。
It is predicted th at there exist minimum critical size and lowest melting temperature for metallic nanoparticle.
采用自悬浮定向流法制备金属铜纳米微粒，并用TEM,XRD和AES等分析手段研究了铜纳米微粒的形貌、粒度、结构及其表面氧化层特性。
Nanocopper particles were prepared by flow levitation method. The structures, morphologies, granularities and the surface oxide layers of particles were investigated by TEM, XRD, and AES techniques.
采用自悬浮定向流法制备金属铜纳米微粒，并用TEM,XRD和AES等分析手段研究了铜纳米微粒的形貌、粒度、结构及其表面氧化层特性。
Nanocopper particles were prepared by flow levitation method. The structures, morphologies, granularities and the surface oxide layers of particles were investigated by TEM, XRD, and AES techniques.
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