查询词典 emission spectrum

Comparison studies have been performed concerning of dynamic amplification factor β and power spectrum density function (approximately estimated from design spectra) between Eurocode 8 and primary seismic design codes of China.

用动力放大系数β对欧洲规范(Eurocode 8)和我国主要抗震设计规范的设计谱进行比较；并对由欧洲规范和我国主要抗震设计规范设计谱估计出的功率谱密度函数作了比较。

In all other intervals of frequencies $\geq \nu_H$, the spectral amplitude acquires an extra factor $\frac{\Omega_m}{\Omega_{\Lambda}}$, due to the current acceleration, otherwise the shape of spectrum is similar to that in the decelerating models.

由于宇宙的加速膨胀，在所有频率$\geq \nu_H$的频段，功率谱的形状类似于在加速膨胀模型的情况，但功率谱的幅值获得了一个额外的因子$\frac{\Omega_m}{\Omega_{\Lambda}}$。

Taking Qixia City as the research region, using supervised classification of the flowering apple digital photos to extract the target information of the ratio of apple flower/leaf and apple flower/tree, this paper carries out the correlation analysis of the ratio data with synchronization hyperspectral detection data, to determine the spectral features and sensitive spectrum wave band of the apple florescence.

以栖霞市为研究区，利用苹果花期数码照片监督分类，提取苹果花树比和花叶比指标信息，通过与同步高光谱探测数据的相关分析，研究苹果树花期光谱特性，确定其敏感的光谱波段。

Based on the characteristic of GMAW arc spectrum, the method of the direct pool vision detection was proposed.

针对熔化极富氩气体保护焊接电弧光谱特点，设计了直接视觉检测法用于熔池图像的检测，获得了清晰的熔池图像。

This prediction has obviously made the application of spectrum technique in arc welding study much more theoretical.

此预测使应用光谱技术进行熔滴过渡研究的出发点从实验水平上升为理论高度。

The research on TIG welding arc ultraviolet spectrum has been completed by using this system.

利用此系统对TIG焊电弧紫外光谱进行了研究，成功地获得了不同焊接规范下。。。韩国明吴钊柳刚李俊岳

In order to avoid or reduce arc fault hazard,the authors established an arc fault detecting test system with the method of power spectral analysis to study the early acoustic characteristics of fault arc ,and extracted the sound signature of early fault arc by using power spectrum analysis.

为了避免或减少故障电弧的危害，笔者建立了故障电弧探测试验系统，采用功率谱分析的方法对故障电弧的早期弧声特性进行了试验研究，提取出故障电弧的早期弧声特征信息。

In order to check the microscopic model, the paper does arc spectrum experiment, analyses arc spectrums of aerospace relay at aforementioned phenomena.

为了检验前述电弧微观模型，本文进行了电弧光谱实验，分析了航天继电器电弧等离子体在前述几种特定气氛下所发出的光谱。

The research stated above show that, arc spectrum signal can not only represent the process of droplet transfer, measure the frequency of droplet transfer, but also it has particular time field and frequency field characteristics and corresponding waveform modes for every kind of droplet transfer modes.

上述研究发现，电弧光谱信号不仅可以清晰地反映熔滴过渡的过程，测量熔滴过渡的频率，而且对应每种熔滴过渡形式，光谱信号都有独特的时域和频域特征以及波形模式。

The laser- plasma hybrid welding of stainless steel was conducted to investigate the hybrid arc,light induced metal vapor and plasma arc spectrum features in this paper.

利用所研制的YAG激光等离子弧复合热源，进行了不锈钢激光等离子弧复合焊过程的电弧、光致金属蒸气成像观察和光谱分析。

Analog output can display output results.

可以模拟输出显示输出效果。

It implied that RAPD technique pro vided a new alternative for checking irradiation induced effects.

对扩增产物进行数据分析，结果表明RAPD技术能够检测出辐射后唐菖蒲基因组变异情况，可用于对唐菖蒲辐射后基因变异的分析。