(2) 粒径谱 ( particle-size spectra ): 把粒度级按一定的对数级数排序,这种生物量 在对数粒级上的分布就称为 粒径谱 。平衡状态下这 条谱线是一条斜率很低的直线。
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Au particle of the size in the range of 10-189 nm has been prepared by sodium citrate procedure. The resonance scattering spectra of Au particle have been studied.
采用柠檬酸钠还原法制备了不同粒径的金粒子,并研究了金粒子的共振散射光谱。
The research result indicates that as the particle size decreases, the upconversion red emission and NIR emission components increase in the emission spectra.
对实验结果的分析发现, 随着粒径的减小, 样品发射光谱中红光和近红外发射的成分增加。
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