spectrum 六级雅思GRE考研专八

This is a kind of atomic spectrum.

这是一种原子光谱。

Then the effect is to steepen the flanks of the pulse spectrum.

因此在效果上是加大谱部。

Cathodoluminescence (CL) spectra show a strong band-edge emission around the V-shape pits.

阴极射线萤光光谱显示很强能隙发光强在V形凹洞边缘发生。

Howard Pattee, an early cybernetician, defined hierarchical structure as a spectrum of connectance.

早期控制论专家霍华德·派蒂将层次结构定义为一个连接性频谱。

The paper discussed a method for GPS pseudorange multipath mitigation and its spectrum analysis.

摘要本文讨论一个GPS伪距多路径值计算及其频谱分析方法。

The spectra and photophysics of 2-aryl-benzoxazole derivatives have been studied in this work.

对2-芳基苯并唑衍生物光谱及光物理行为进行研究。

Quartz is studied using an electrical conductible degree of ore-bearing fluids and infrared spectrum.

电导是溶液导电能力相对尺,电导大小能直接反映出成矿溶液浓高低。

The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.

研究以2（3H）-苯并唑酮为端基、具有酰脲结构非环多醚化合物质谱。

The absolute summability of autocorrelation sequence imposes only the continuity constraint on the power spectrum.

另外，绝对可加性自相关数列之假设只是意指在频谱中必须连续。

All-dielectric multi-cavity filter: high transmittance of the peak, well-rectangularity, deep cut-off spectrum.

全介质多腔滤光片，峰值透过率高，矩形化好，截止深。

Praziquantel is a broad spectrum antiparasitic drug and has remarkable activity against all species of schistosomas.

吡喹酮是广谱抗寄生虫药物,对各类血吸虫均有杀灭作用。

The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.

对于不同类型林分也有不同趋向性，对灌木、小乔木等害虫防治效果显著，而对于比较高大树木上害虫防治效果较差。

The spectra show that the complexation of iodine cation doesnot lead to deformation of the macrocycle polyamine.

光谱分析表明,碘正离子配位并未引起大环多胺构型改变。

The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.

并采用氢核磁共振，红外光谱和紫外吸收光谱等手段进行表征。

Absorption spectrum and photostability are inverestigated for a series of heptamethine IR dyes and related to chemical structure.

对十五种红外激光染料进行吸收光谱和光稳定性测试。

Some common methods in proteins fluorescence spectra are reviewed and new techniques of fluorescence spectro scopy are introduced.

文章综述常见蛋白质荧光光谱研究方法, 并介绍几种荧光光谱新技术。

Aim To validate spectrum analysis of oxalyl fluoride neutral molecule(FCO)2 and study vibrational mode of the two configuration.

结果得到与光谱分析一致结果,草酰氟分子有平面反式和顺式2种构像。

The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.

以紫外荧光光谱为检测手段，比较研究溶剂极性及盐酸胍对碳酸酐酶构象影响。

By cooperation with thiophene ring, which results in the better conformations, the absorption and emission spectra exhibit bathochrome. 7.

7．研究不同给/吸电子取代基对芴基聚合物电子和光学性质影响。

The performance of fluorescent-labeled copolymers contained pyrenyl has been studied by means of fluorescent spectrum and static evaluation test.

通过荧光光谱法和静态阻垢法研究含芘基团荧光标记聚合物性能,并进行评价。