查询词典 spectral

The evolution of the spectrum shows that spectrum splitting and spectral shift occur during the propagation in anomalously dispersive media.

研究结果表明，部分相干GSM光束在负色散介质中传输时会出现光谱分裂和频移现象。

If we make full use of the mid-infrared spectral features(i.e.,Christiansen Frequency features and reststrahlen bands),we could determine anorthite,olivine,quartz and alkali feldspar on the lunar surface successfully,which could not be accomplished by VIS-NIR spectra.

如果充分利用月球表面硅酸盐的红外光谱特征，即CF特征和Reststrahlen吸收带，将可以用于探测VIS-NIR光谱无法完成的探测目标：钙长石、橄榄石、石英和碱性长石等。

The improvement of the aperiodic array's beam pattern made by the spectral decomposition method is analyzed.

为配合新一代三维视觉声纳的开发，研究了谱分解波束形成方法。

The relation between the spectrographic aperture ratio and elliptical eccentricity, spectral angle is also analyzed according to the elliptical geometry, it will decrease when the x-ray wavelength increases.

根据椭圆的几何关系，研究了光谱相对孔径与椭圆的离心率和谱线探测角之间的关系，它随X射线波长增大而减小。

Analyses of spectral structure and surface tension of solutions suggest that the hydrophobic hardrocarbon chain of surfactants was partly included in the apolar cavity of β-CD and the part with the polar head group of hydrocarbon chain located outside the cavity coiled over the top of β-CD, providing an effective protection for RTP.

组成测定表明溶液中形成了稳定的1：1：1/1-BrN：β-CD：AS三元包合物。光谱和溶液表面张力分析显示阴离子表面活性剂的疏水性烷基链有一部分被包合在β-CD空腔内，未被包合部分则绕曲在β-CD腔口处从而为空腔内1-BrN分子的磷光提供了有效保护。

In order to investigate the mechanism of arc light sensing for welding behavior accurately, systematic spectral analysis of GMA and GTA was made.

使用自行建立的计算机化光谱分析系统，对实际焊接条件下的电弧进行了整体和局部的分析。

An applied basic theory for arc light sensing was established through spectral analysis and derivation of radiation theory.

在弧焊过程中，许多实际问题阻碍了传统焊接传感技术在反馈控制中的成功应用。

The spectral analysis focused on arc light sensing for the first time.

这部分光谱分析工作是首次针对弧光传感而进行的，所获结果填补了弧光传感应用基础理论的空白，而且也充实了电弧物理在弧光领域的不足。

Based on the analysis mentioned above, arc light sensing was introduced into practical welding process systematically and was improved with spectral method for the first time.

在GTAW过程中，建立了弧光信号同弧长的对应关系。

The spectral theory of graph is not only an important area in graph theory but also an active topic. There are extensive applications in the fields of quantum chemistry, physics, computer science, communication network and information science.

近半个世纪以来，谱图论形成发展成为图论研究的重要领域之一，也是一个非常活跃的研究方向，它在量子化、物理、计算机科学、通信网络及信息科学中均有广泛的应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。