查询词典 spectrum

The detecting precision was improved by the method of absorption spectrum.

具体利用NO2在300～500 nm光谱范围内有强吸收的特点，测量了样品中NO2的浓度。

According to the Kramers-Kronig relation the absorption spectrum change of a sample will cause the refractive index change.

根据Kramers-Kronig变换关系，样品吸收光谱的变化会引起样品折射率的变化。

Also the relations among the density of solutions,the absorption spectrum and the hue are analyzed.

在化学上，对许多有机物质，光的吸收性是一个重要的本质特性，对其的光谱分析可以得知其中含有的元素；在自然界中，叶绿素也有其特定的吸收光谱。

The polymers were determined by Fourier transform Infrared absorption spectrum and nuclear magnetic resonance spectrometry.

用红外及核磁共振的测试方法对聚合物的结构进行表征。

The purity identification was made by SDS-PAGE,absorption spectrum and amino acid analysis.

SDS-PAGE电泳结果显示提取纯化的Ⅱ型胶原蛋白与S igm a公司的产品一致。

Triazophos was a type of low-toxic, high-effective and broad-spectrum phosphorothioate pesticide and acaricide, which was developed in 1970s. It was thought to become the substitution of other pesticide such as methamidophos and dimethoate, so it had a good potential of application.

三唑磷是20世纪70年代开发出的一种硫代磷酸酯类杀虫杀螨剂，具有低毒、高效、广谱的特点，是甲胺磷、乐果等农药的换代产品，具有良好的应用前景。

This acceleration corresponds to the maximum peak acceleration of the time history used to derive the response spectrum.

零周期加速度和反应谱加速度的最大峰值保持一致性。

An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.

我们在能量谱快速计算的基础上，研制成功了用于数字化加速度仪的自动地震信号检波器。对一个连续系统进行了不变数字模拟，该系统被认为是作为单自由度系统加速度计的转换函数。

The computer multi-channel analyzer is one of the most important characteristics of a strong data processing capability, access to the spectrum of data needs some mathematical methods can be requested of the final outcome.

计算机多道分析器的最主要的特点之一是具有很强的数据处理能力，获取的谱数据需要一定的数学方法才能得到实验要求的最终结果。

The Problems of Spectrum, Quantum Yield of Phosphorescence, Photosensitization and Photostabilization of Polymeric Acetophenone and Its Derivatives

高分子苯乙酮及其衍生物的光谱、磷光量子产率及光敏化光稳定问题的研究

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％。