因此，根据傅里叶变换的共轭对称性，提出了更具有一般性的长方环傅里叶周向谱能量百分比新算法。

So a new algorithm with rectangle loops Fourier spectral energy percentage is proposed by analyzing the conjugate symmetry of Fourier transform.

youdao

红外谱图表明，在原来的CPP分子链上接上了芳环基团。

Infrared spectroscopy shows that aromatic group is grafted onto the molecular chain of CPP.

youdao

利用电化学阻抗谱（EIS）技术研究了含有锌铬黄防锈颜料的环氧酯漆涂层的耐蚀性能。

The resistance to corrosion of an epoxy coating containing the pigment of zinc chrome yellow was studied using electrochemical impedance spectroscopy (EIS).

youdao