查询词典 spectrum

The fundamental of non-negative matrix factorization algorithm. It is used to extract EEG power spectrum feature. Artificial neural network is employed as classifier.

介绍了非负矩阵分解算法的基本原理，给出一种利用NMF 进行脑电能量谱特征提取的方法。

The results show that the roof is a flexible structure with a fundamental period of 1. 28s and a highly concentrated frequency spectrum.

本文针对大跨度机库结构的特点，对屋盖体系的概念设计、动力特性和地震作用进行了分析和试验研究。

Therefore, the features of rotor and stator faults arise in the spectrum of the current Park vector in which the fundamental positive sequence component is filtered out.

也就是说，通过对旋转滤波后的电流Park矢量的频谱进行分析，就可以对电机的定转子故障同时进行监测。

As a result, the feature frequency components of rotor broken bar fault, hiding behind the fundamental positive sequence component, emerge in the spectrum now.

由于滤除了基波正序分量，在频谱图上，被基波正序分量掩盖的断条故障特征就显示出来了。

Canine distemper, caused by canine distemper virus, is one of the most acute and highly contagious disease in canine farming, fur cultivation and wildlife conservation. Traditional attenuated vaccine has intrinsic shortcomings despite its important role in controlling the occurrence of CD: it can cause immunosuppression and lesion of CNS, it may be lethal some susceptible animal and possess a wild host spectrum. Moreover, mutation of CDV can also cause epidemic of this disease.

犬瘟热是由犬瘟热病毒感染引起的急性、高度接触性传染病，是当前对养犬业、毛皮动物养殖业和野生动物保护业危害最大的疾病之一。

The structure of furfural acetone was proved by elementary analysis and IR spectrum data.

产物用元素分析和红外光谱进行了确证。

Futurology is a dangerous business, and it is true that most of the important arguments about mobile communications at the moment are to do with technology or regulation—bandwidth, spectrum use and so on.

未来学充满风险。的确，目前绝大多数关于移动通信的争论都与技术或政府管制相关——宽带通信及扩频通信技术的运用等。

Chinese Cinnamaldehyde Cinnamaldehyde alias, Lauraceae plants are dry skin and cinnamon bark obtained by steam distillation of volatile oil in the main component of research in recent years are more root canal sterilization drug, it can seriously undermine the bacterial cell surface structure, and thus has a wider antibacterial spectrum and strong antibacterial activity; gallnut hundred, also known as worms, insect species are Schlechtendalia Schlechtendalia or times aphid eggs in their parasitic plants Anacardiaceae Rhus chinensis, Green bran Yang Yang, such as bran or red tree gall formation, the main ingredient for gallnut tannin, can solidification microbial protoplasts and a variety of body enzymes, a wide range of bacteria, fungi, yeasts are inhibited.

中药桂皮醛别名肉桂醛，是樟科植物肉桂的干皮及树皮经水蒸气蒸馏得到的挥发油中的主要成分，是近年来研究较多的根管消毒药物，它能够严重破坏细菌细胞表面结构，从而具有较广的抗菌谱和较强的抗菌活性；五倍子又名百虫，是倍蚜种昆虫角倍蚜或倍蛋蚜在其寄生漆树科植物盐肤木、青麸杨或红麸杨等树上形成的虫瘿，其主要成分为五倍子鞣质，能够凝固微生物体内的原生质及多种酶，对多种细菌、真菌、酵母菌都有明显的抑制作用。

Chinese Cinnamaldehyde which also named Cinnamaldehyde alias, is the main component of volatile oil which obtained by steam distillation from dry skin and cinnamon bark of lauraceae plants . It is researched as a root canal sterilization drug in recent years, it can seriously undermine the bacterial cell surface structure, and thus has a wider antibacterial spectrum and strong antibacterial activity; gallnut hundred, also known as worms, it is a kind of gall that be formatted by Schlechtendalia species of insects including Schlechtendalia and times aphid eggs in their parasitic plants Anacardiaceae Rhus chinensis, Green bran Yang or red bran Yang, the main ingredient for gallnut tannin, can solidification microbial protoplasts and a variety of body enzymes, a wide range of bacteria, fungi, yeasts are inhibited.

中药桂皮醛别名肉桂醛，是樟科植物肉桂的干皮及树皮经水蒸气蒸馏得到的挥发油中的主要成分，是近年来研究较多的根管消毒药物，它能够严重破坏细菌细胞表面结构，从而具有较广的抗菌谱和较强的抗菌活性；五倍子又名百虫，是倍蚜种昆虫角倍蚜或倍蛋蚜在其寄生漆树科植物盐肤木、青麸杨或红麸杨等树上形成的虫瘿，其主要成分为五倍子鞣质，能够凝固微生物体内的原生质及多种酶，对多种细菌、真菌、酵母菌都有明显的抑制作用。

The corrosion behavior of cast aluminum in different concentrations of organic carboxylic acid is studied by means of electrochemical methods, such as the potentiodynamic method, electrochemical impedance spectrum and galvanocautery.

通过电化学方法研究了不同浓度的有机羧酸对偶接及非偶接状态下铸铝的缓蚀性能，并对其缓蚀机理作了初步探讨。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"