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1·Several methods for quench correction-external standard channels ratio method, spectral index method and H number method are simply introduced.

本文简单介绍了几种猝灭校正方法——外标准源道比法，样品谱指数法和H数法。 首先比较了这些方法的特点。

2·Objective To observe the effects of different adjuvants on bispectral index (bis), spectral edge frequency (SEF) of electroencephalogram during lumbar anesthesia.

目的观察腰麻中不同辅助药对脑电双频谱指数(BIS)和边缘频率(SEF)的影响。

3·The result showed that the homogeneous degree of the soil nutrient was increased, the variability of spectral index and the yield were reduced in the management zone divided by soil data.

结果表明，利用土壤养分和光谱数据划分的管理分区内，各土壤养分的均一度得到了提高，光谱指数和产量的变异系数普遍降低。

4·On the histograms of their redshift, optical luminosity and average optical X-ray spectral index, it is found that X-ray selected quasars are distributed at the low ends of plots of these parameters.

发现在它们的红移、光学光度以及平均光学- X射线谱指数的直方分布图上，X射线选择类星体统计上都分布在这些参数图的低端。

5·Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).

用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。

6·The spectral resolution is one of the key index for evaluating the performance of the acoustooptic tunable filter.

光谱分辨率是评价声光可调谐滤波器性能的主要指标之一。

7·The correlation between the standard classified road power spectral density (PSD) and international roughness index (IRI) was discussed by using regressive analysis.

通过回归分析的方法对标准分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。

8·A high degree of relationship was found between the power spectral density and thermal response index (TRI).

功率谱密度值与时域指标体温反应指数(TRI)有极好的相关性。

9·The road density index analysis has two ways: the post-classification compare method based on spectral-spatial structure and the imagery difference method based on spectral-spatial structure.

道路密度指数分析法有两类方法：基于光谱—空间结构的分类后比较法和基于光谱—空间结构的图像差值法。

10·The refractive index of solvents had certain influences to spectral absorption of dye.

溶剂的折射率对于染料光谱吸收有一定影响。