查询词典 spectrum

The light on our convention meaning is visible light, this part light is the one fraction of electromagnetic wave spectrum only.

我们常规意义上的光是可见光，这部分光只是电磁波波谱的一小部分。

The electromagnetic spectrum covers an enormous range of frequencies and energies.

电磁波谱包括极大的频率和能量范围。

By the analysis of stress, crack characteristics, cross section metallography, scanning electrometry microscopy, energy spectrum micro-area as well as material quality of top hair clip pipe of Primary reformer, finds out the reason for top hair clip pipe cracking is stress corrosion cracking, and puts forward defending measures.

通过对一段转化炉上发夹管受力分析、裂纹特征、断面金相、电镜扫描、微区能谱、材质等分析，找出了上发夹管开裂的原因是应力腐蚀断裂，提出防护措施。

Spectrum analysis and Total Harmonic Distortion of output voltage and electromotive force of generator are also achieved.

发电机电动势及输出电压的谐波分析、频谱分析和总谐波歧变率分析。

AlN 〓 has the maximal ionization power (9. 14eV) and the minimal electron affinity energy (0.19eV), which manifests that the 〓 is more stable than other clusters, and this conclusions are in good agreement with the experimental results of flight of time mass spectrum .

〓团簇具有最大的电离能（9.14eV）和最小的电子亲和能（0.19eV），表明〓团簇较其它更稳定，从而得到了与飞行时间质谱实验结果相一致的结论。

The application of optical transition radiation in electron energy spectrum diagnosis［J］.

光学渡越辐射在电子束能谱测量上的应用［J］。

According to related theories,the ultraviolet spectrum of atomic materials,especially the electron energy transition around alkali metal atomic nucleus is analyzed and calculated,and the spectral line data is listed in this paper.

根据相关理论，重点对原子紫外光谱，尤其是碱金属原子核外电子的能量跃迁进行了分析和计算，列出了计算的谱线数据。

In ICF ecperiment, the x ray produced by laser plamsa mainly distributes in sub-kilo electron volt region, whose overall energy, energy-spectrum characteristic, projecting time and its distribution in space are basic dataes in theory and experiment.

从而使x光能谱的测量成为ICF实验中的至关重要的诊断内容。

Heat treatment on the preparation,structure,electrovalence of silver,releasing speed of Ag ions and antibacterial property of obtained blocks were investigated.A ultraviolet-visible spectrum of Ag-carrying material treated at 600℃ indicates that there are plenty of Ag ions in Ag-carrying SiO 2 .The Ag ions can be released stably into water of 30℃ for 14 d.

考察热处理制度对抗菌块体的制备及结构、银价态、银离子释放速度、抗菌性能的影响。600℃热处理的抗菌块体紫外-可见吸收光谱表明：SiO 2 载体中富含银粒子，并且此抗菌块体在水中能保持较长期（14d）的稳定溶出。

The lineshape of the spectrum is determined by the function sinc and the spantaneous emission is elliptically polarized only when γ is very large or observed on axis.

数值分析表明：在平面摆动器中附加适当的轴向磁场，可以提高各次谐波辐射的强度，对于基波和较低次谐波，提高更明显。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。