Grind the mixture, place it in a sample cup and examine the reflectance spectrum.
研磨混合物，将其挪动到一个样品杯中，检测其反射光谱。
The results indicate that the reflectance spectrum is highly dependent on the array periodicity.
结果表明，其反射光谱与阵列周期有关。
When the array periodicity increases, the reflectance spectrum exhibits a large redshift regularly.
当阵列周期增加，反射光谱中出现有规律地红移。
The near infrared reflectance spectrum (NIRS) technology has characteristics of fast, accurate and low cost.
近红外光谱分析技术(NIRS)是具有快速、准确、低成本的现代检测技术。
Since the vast majority of reflectance spectra for surfaces are smooth functions, each reflectance spectrum can be represented as the weighted sum of basis functions.
大多数天然物质表面的光谱反射率曲线比较平滑，可视为几个基向量的线性组合。
We fabricate desired structured surfaces by holographic lithography, plasma etching and Teflon coating. The performance is evaluated by measuring the reflectance spectrum and contact angle.
实验上，我们采用全像微影术、电浆蚀刻以及旋镀铁氟龙的方式来制作试片，并量测该试片的反射频谱和接触角。
Rice spectrum features at green, red and near infrared regions were studied by measuring and analysing rice canopy reflectance and differential spectrums with 4 levels of rice leaf blast.
本文通过对4个感染不同等级稻叶瘟的水稻冠层反射光谱进行测试，并对光谱反射曲线进行微分分析，研究了绿光区、红光区和近红外区反射光谱的变异特征。
The variations of crystal thickness and refractive index will lead to a shift of synchronous Angle of Attenuated Total Reflection (ATR) spectrum, and then bring reflectance variation.
晶体厚度和折射率的变化导致衰减全反射(atr)谱的同步角发生移动，进而引起反射率的变化。
After the continuum-removal, the reflectance is normalized to a range of 0-1.0. This enhances the soil absorption and reflection spectrum.
经包络线去除后的土壤光谱反射率归一化到0～1.0之间，可快速有效地突出土壤光谱曲线吸收和反射特性。
Both the Flat-Field method and the method which utilize the solar radiation spectrum are used on reflectance, inversion in order to transform radiant brightness image into reflectance, image.
并采用了平场域法、利用太阳辐射光谱两种方法对图像进行反射率反演，将辐亮度值反演为绝对反射率值。
The ratio of the reflectance in visible and NIR is highly correlated with nitrogen applied to the plant. The nitrogen contents in the plant can be obtained by measuring spectrum reflectance.
植物氮素含量与可见光和近红外光反射系数的比具有很好的相关性，因此利用光谱反射系数可以测定植物氮素含量，为合理的施用养分提供依据。
Besides, effects of rice leaf blast on spectrum reflectance of rice was studied simply.
此外还初步研究了稻叶瘟对水稻冠层光谱特性的影响。
Spectral reflectance from leaves and the differential spectrum were measured.
测定叶片光谱反射率和微分光谱。
Spectral reflectance from leaves and the differential spectrum were measured.
测定叶片光谱反射率和微分光谱。
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