查询词典 spectral

The beginning of atomic physics is marked by the discovery and scrutinious study of spectral lines .

谱线的发现和深入研究标志着原子物理学的开端。

Deducing spectral terms is necessary for researching the atomic structure and spectrum.

谱项的推求对于研究原子的结构和光谱是必不可少的。

In particular, the correlations between some characteristic size and the spectral response to a swept signal with all audible frequencies are presented here.

二者具有相当近似的形式，但尺寸不同，所用的材料也各异，前者是用砖石建成，后者是用木料建成，因此在整修前采用了许多预应力钢筋混凝土结构。

The Prometheus also utilises secure multi-band communications for co-ordination with allied force, and the transmission monitoring equipment, for intercepting and de-crypting enemy signals. It also incorporates a multi-spectral ground surveillance auspex for locating and tracking enemy force, and this information can then be forwarded to all other Imperial force.

另一方面，它也能使用它可靠有效的多频道通讯器和异族部队协调，依靠传输监听系统侦听破译敌人的信号，甚至可以使用多光谱监视auspex定位追踪敌方部队，这些信息可以迅速的转发给帝国其他的部队。

The result of IR spectral analysis indicated that the categories of radicals found in cell walls after either ultrasonic method or cell autolysis are almost the same.

红外光谱分析结果表明，与Nocardia原菌相比，超声波法破碎和自溶法破碎后制得的Nocardia细胞壁所含有的基团类别基本相同。

And the data rate is adapted to maximize the spectral efficiency subject to average bit error rate constraints.

推导出基于预测的信噪比和预测误差方差的数据速率的最优解，以此对数据速率进行调整，使得频谱效率在误比特率的约束条件下达到最大化。

All these compounds were characterized by azeotrope and elemental analysis, as well as by spectral measurements.

对所制成的衍生物均采用了共沸混合物分析、元素分析和光谱测定等进行了表征。

The two mean spectral slopes are diverge significantly from the value of -3.0 predicted by current saturation models and from the value of -2.4 predicted by a ＂universal＂ atmospheric spectrum model as well as are believed to be the shallowest slopes ever measured by balloon-borne radiosonde soundings.

这两个平均谱斜率大大偏离了目前饱和谱模式和普适大气谱模式表示的-3.0和-2.4谱斜率，并且认为是目前气球测量中曾经观测到的最平谱斜率。

The spatiotemporal spectral line intensities of the first three atomic lines in Hydrogen Balmer series (λ=656. 28, 486. 13, 434. 05nm) of RF ion source plasma, are measured with calibrated Optical Multichannel Analyzer . Some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed Using Partial Local Thermodynamic Equilibrium theory and Abel transform.

实验采用绝对定标后的光学多道分析系统测定了离子源等离子体不同时间和空间位置的氢原子巴耳末谱线系中前三条谱线（λ=656.28，486.13，434.05nm）的强度，并采用PLTE的理论和Abel变换方法，计算出了高频离子源等离子体的电子温度、氢原子浓度、氢离子浓度等参数在放电的不同阶段和径向分布情况，并进行了简要分析。

This study aims on the spectral features and sensitive spectrum wave band in the apple florescence.

旨在探索苹果花期的光谱特征和敏感波段。

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％。