差谱 meaning in English

difference spectrometry

Identification of mixed fibers by subtractive infrared spectroscopy
红外差谱技术用于混合纤维鉴定的研究
The optical absorption spectra were used to investigate the dye adsorption property and the photoelectrochemical properties of titania films were measured via i - v analyzer
用光吸收谱的差谱来表征tio _ 2薄膜的染料吸附性能，用i - v曲线测试tio _ 2薄膜的光电化学性能。
Then the periodic properties of geocenter motion in the x , y , z components are summarized . considering the statistical precision of the gps observations , the geometrical distribution of gps stations and their physical stablility , a new method to determine the parameters of geocenter motion is studied and analyzed . in order to have a better understanding of its effect on the height datum origin , the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了将谱分析与抗差估计相结合的抗差谱分析方法，并用该方法分析了地心运动时间序列的主要周期特性；为合理地确定地心运动参数，详细研究与分析了一种新的定权方法对求解地心运动参数的作用，该方法充分利用了gps观测量的统计精度、点位的几何分布以及物理稳定性；为了明确地心运动导致的高程基准的变化，分析了地心运动对地面点的水平分量和垂直分量的影响规律。