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- Calculations show that the H8TPyP6+ has a saddle-distorted D2d structure, and the geometric parameters agree well with the X-ray data The observed Raman bands of H8TPyP6+ were assigned on the basis of DFT calculations and the deuterated shifts. 计算结果显示H8TPyP6+具有鞍型变形的D2d对称性结构,四个吡咯环交替倾斜地分布在卟啉平面的上下侧,计算所得的结构参数与X射线晶体结构基本一致。 在DFT计算结果和氘代位移的基础上对拉曼谱带进行了指认。
- The normal Raman spectrum(NRS) and the surface enhanced Raman scattering(SERS) spectrum of vitamin PP(VPP) in silver sol as well as the assignments of their characteristic Raman bands were presented. 报道了维生素PP分子的常规拉曼光谱(NRS)及该分子在活性衬底银胶上的表面增强拉曼散射(SERS),并对它的拉曼特征峰进行了初步的指认和归属。
- The “lifetime” of decreases increasing with temperature and the main Raman band wavenumber of shows red-shift with increasing CR values, but temperature has little effect on the “lifetime” of . 随着温度的增加, 离子团的“寿命”越来越短,而且 特征波段峰的峰位随分子比的增加而发生红移,温度对 的“寿命”影响不大。
- Electronic Raman Bands of Neodymium and a New Mechanism for Raman Enhancement 钕的电子拉曼光谱和一种新的拉曼增强机理
- He left when the band began to beat out pop music. 乐队一奏起流行音乐他就走了。
- The band played a military march. 乐队吹奏军队进行曲。
- Bands of soldiers ravaged the village. 成群的士兵洗劫了村庄。
- A live band is always a good draw at a party. 现场演奏的乐队在聚会上总是很吸引人的。
- He was waylaid by a band of guerrillas. 他遭到游击队的狙击。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- Bands of outlaws lived in the forest. 成群的歹徒犯法后栖身于树林中。
- Bands of soldiers ravaged the countryside. 成群的士兵洗劫了乡村。
- The countryside was overrun by marauding bands. 郊野到处都有散兵游勇,四出打劫。
- The brass band is banging away in the park. 铜管乐队在公园里吹吹打打。
- He has formed a new band with his brother on bass. 他组织了一个新乐队,由他弟弟弹低音吉他。
- He was attacked by a band of ruffians. 他遭到一伙暴徒袭击。
- She used a rubber band to tie her hair. 她用一根橡皮筋扎头发。
- The band drowned our conversation. 乐队的演奏声把我们谈话的声音淹没了。
- The brass band still plays to packed houses. 这支铜管乐队卖座率仍然很高。
- The jazz band gave out with quick rhythms. 爵士乐队狂热地奏出了快速的旋律。