查询词典 spectroscopy

Trace elements in Herba abri were determined by ICP atomic emission spectroscopy. The result showed that the content of calcium, magnesium, zinc and iron was abundant. The relation between these beneficial elements in body and health were discussed.

用电感耦合等离子体发射光谱仪测定了湛江人工栽培的鸡骨草中微量元素含量，发现其钙、镁、铁、锌等元素的含量都较丰富，并讨论了这些有益元素与人体健康的关系。

With the method of differential optical absorption spectroscopy, aerosol extinction coefficient was measured.

在研究、分析国外学者的研究基础上提出采用单光路法并结合大气在550nm处的能见度校准的方法测量气溶胶消光系数的研究计划。

The refractive index and absorption coefficient of an explosive sample were measured by terahertz time-domain spectroscopy.

利用太赫兹时域光谱技术给出了这些炸药样品在0.2THz～2.5THz范围内的折射率和吸收系数。

Terahertz radiation, which is a kind of electromagnetic wave between the infrared and microwave bands, belongs to far-infrared band. THz time-domain spectroscopy which developed in the 1980\'s has the advantages of high signal to noise ratio, obtaining the absorption coefficient and refractive index of the sample at one time , low energy that can not distroy the biology organise and so on.

太赫兹辐射是指频率位于微波和红外光之间的电磁波，属于远红外波段；20世纪80年代发展起来的THz时域光谱技术，具有信噪比高，能同时获得样品的吸收系数和折射率，能量低，不会对生物组织造成破坏等优点，在材料和生物学等领域得到了迅速的发展和广泛的应用。

In this paper, we got the regularity of cavity ring-down spectroscopy when the line width of laser pulse is far larger than the absorption line width of measured substance.

本文研究了当激光脉冲线宽远大于被测吸收物质的吸收线宽时，衰荡光谱满足的规律，以及在这种情况下，测量灵敏度的大小。

Frequency modulation ; magnetic rotation spectroscopy ; absorption line shape ; dispersion line shape.

频率调制；磁旋转光谱技术；吸收线型；色散线型

The method of high-resolution Fourier-transform spectroscopy study on the Absorption line intensities is discussed. With a series of measurement and fitting the line profiles, altogether 1 760 Absorption lines of phosphine were obtained, corresponding to five bands in the 1 950-2 480 cm~(-1)region and four bands i...

文章探讨了高分辨傅里叶变换光谱方法研究气体样品吸收线型的基本原理，并通过实验测量以及程序拟合谱线线型，得到了磷烷分子在1950~2480cm-1波段的5个吸收带以及3280~3580cm-1波段的4个吸收带中的1760条谱线线强度，经分析其结果误差在±6%左右。

This paper reports on a rapid method for the determination of ethyl acetate based on UV spectroscopy.

提出了一种基于紫外-可见光谱法快速测定乙酸乙酯的方法。

In this paper,attenuated total reflectance infrared spectroscopy is used to study the interaction of acetone and water molecules.

采用衰减全反射-傅里叶红外光谱法研究了丙酮和水分子间的相互作用。

The present work reports experimental determinations of atomic hydrogen in microwave discharge hydrogen plasmas formed from TM01 MW mode in an ASTeX-type reactor via optical emission spectroscopy by using Ar as an actinometer.

本论文的工作是在ASTeX型号的放电设备中产生TM01模式的微波，通过微波放电产生氢等离子体。本实验通过发射光谱运用内标气体氩，对氢等离子体中的氢原子Blamer线系和氩原子750.4 nm 处的谱线的相对强度进行了实验测定。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。