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Through detailed calculation and analysis of the dispersion characteristic of the noble metals like Au and Ag, we found that the group velocity combined with the group refractive index can change from negative to positive with increase of the photons energy in the visible Drude region and has the spectral property which is in agreement with the experimental results obtained in this work.

通过对贵金属Au和Ag的光学常数的色散特性分析和数值计算，发现在可见光的Drude光谱区，表征光子能量传播方向的群速度和群折射率的值会随光子能量的增大而发生从负到正的改变，这与本论文研究的实验测量和观察结果相符合。

This suggests that SPA-PAMAM-Au nanocomposites could be used as supersensitive optical probe for bioanalyses and medical diagnoses.

SPA-PAMAM-Au纳米复合物粒子可望广泛用作生物分析和医学诊断高灵敏度光学探针。

The results are introduced in this paper. Backscattered light energy is 7.8% of laser energy when laser is focused on Au disk target; when laser beam is smoothed, it is 6.2%. The comparison shows that laser smoothing can restrain backscattered light efficiency.

结果表明：激光辐照Au盘靶时，在聚焦条件下背向散射能量约占打靶激光能量的7.8%；在束匀滑条件下背向散射能量份额下降到6.2%左右，证明了束匀滑可有效抑制背向散射。

Based on these simulation results ,specify the distance between the pads and the CPWis 150μm ,the number of the thermocouple is 50 ,the distance between the CPWand the thermo2pile is 50μm. GaAs and Au are chosen as arms of the thermopile ,and TaN as the terminal resistor.

根据这些模拟结果，传感器中接触垫与共面波导之间的渐进区长度设计为150μm ，热电偶的对数设计为50 对，热电堆与CPW之间的距离设计为50μm ，并选择了GaAs 和Au 作为热电偶的两臂，TaN 作终端电阻。

Ag-Au alloy nanoparticles; Surface Enhancement Raman Scattering; thiophenol; p-Aminothiophenol; 2; 2'-bipyridine 2; 2'-bpy

Ag-Au合金纳米粒子；表面增强拉曼散射；苯硫酚；对巯基苯胺； 2； 2'-联吡啶2； 2'-bpy

Well, a friendly tipster has stealthily procured those details and sent them through to Giz AU. Thanks Tipster!

现在有一位友好的告密者悄悄的取得了这些资料并且发到了GIZ AU，谢谢！

To simplify the fabrication, the encapsulation is carried out under constant pressure.It is illuminated that grid Au upper electrode has more uniform electric field, and slot electrode has larger interface with environment, consequently larger sensitivity.

研究结果表明，电容式湿度传感器栅格结构的Au上电极具有均匀的电场，而条形上电极结构聚酰亚胺感湿薄膜与外界的接触面积更大，拥有更大的灵敏度。

It is demonstrated in this paper that the P-V-T relation below the melting temperature 1 336.4 K can be described by the universal equation of state for solids proposed by Vinet et al, while for temperatures higher than the melting point, we proposed a new equation of state for solid Au, taking the melting curve as the reference state, for the description of the high pressure and high temperature behavior.

结果表明，在熔点1336.4K以下，压强－体积－温度关系可以用Vinet普适状态方程来描述，而对于在熔点温度以上，本文提出了一个以熔化曲线作基准的高温高压下固态Au的状态方程。

Work function change of Ag, Au, K adsorbed on W(001) surface as a function of external electric field

Ag，Au，K吸附在W(001)表面上的功函数随外加电场的变化

By using first principles pseudopotential method and density functional theory, the effect of external electric field on the work function changes of Ag, Au and K adsorbed on W(001) surface has been studied.

基于局域密度泛函理论和第一性原理赝势法，计算了Ag ，Au ，K在W(0 0 1)表面上吸附时的功函数随外加电场的变化关系。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。