查询词典 spectroscopy

Its structure was determined by means of spectroscopy methods and X-ray crystallography.

利用晶体X-射线法与一维和二维核磁共振法测定了该化合物的结构，指认了核磁共振信号的归属。

The identities of 1 and 2 were established by elemental analysis, 31P NMR spectroscopy, and X-ray crystallography.

通过元素分析、31P核磁共振及X射线单晶衍射对配合物1和2的结构进行了表征。

The interaction between cucurbit(7)uril (Q[7]) and 5-aminosalicylic acid (5-ASA) at different pH was studied by fluorescence spectroscopy and 1 H NMR technique.

利用荧光光谱法考察了七元瓜环(Q[7])和5-氨基水杨酸(5-ASA)在不同pH条件下的相互作用。

The interaction and the models of self-assembly psedorotaxanes of cucurbit [7] uril with these synthetic guests were investigated via 1H NMR technique and electronic absorption spectroscopy method.

利用1H NMR技术和紫外吸收光谱法，考察了Q[7]与上述链状吡啶衍生物的相互作用。

The interaction between CuLO,O,N-2-(2,4-dihydroxybenzylideneaminopropanoate·imidazole copper and salmon sperm DNA in 0.2 mol·L-1 NaOAc-HOAc buffer solution(pH=5.0) was studied by electrochemistry and fluorescence spectroscopy.

在pH 5.0的0.2 mol.L-1的NaOAc-HOAc缓冲溶液中，运用电化学和荧光光谱分析法研究了金属配合物CuLO，O，N-2-(2，4-二羟基苯亚甲氨基丙酸根。

In the titration experiment of NMR and IR spectroscopy, we can understand how sensors binding with metal ions: the two carbonyl group and crown ether group cooperated in binding with metal ions. Furthermore, by altering the "oxygen" atoms of crown ether to "sulfur", we can change the binding affinity to the soft metal: cupper. It shows 60-fold enhancement of fluorescence.

在化合物2中，我们引进了硫原子在冠状醚中，则应对电子密度较低之金属有较好的结合能力，实验结果显示了此分子对铜离子有相当好的选择性和结合能力，萤光增加可达60倍；同时由红外光吸收光谱和核磁共振光谱滴定实验可确知，香豆素衍生物上的两个羰基对金属离子的选择性及结合上扮演相当重要的角色。

The synergistic effects and flame-retardant properties of melamine cyanurate with magnesium hydroxide in halogen-free flame-retardant ethylene vinyl acetate copolymer blends have been studied using the cone calorimeter test, thermogravimetric analysis, laser Raman spectroscopy, limiting oxygen index, UL-94 test, and measurements of rheological properties.

通过锥形量热器试验、热重分析、拉曼光谱分析、氧指数、垂直燃烧试验及流变性能测试，研究了氰尿酸三聚氰胺和氢氧化镁在无卤阻燃乙烯-醋酸乙烯共聚混合物中的协效阻燃作用。

The electrochemical properties of passivation film on 316L stainless steel were investigated by electrochemical impedance spectroscopy, Mott-Schottky analysis and cyclic voltammetry graph under the corresponding conditions.

通过电化学阻抗方法测量316L不锈钢在25~85℃的醋酸溶液中的EIS曲线和Mott-Schottky曲线，并测量各温度点下的循环伏安曲线，研究了钝化膜的电化学性质。

Their electrochemical performances have been evaluated by means of various techniques including galvanostatic method, cyclic voltammetry and electrochemical impedance spectroscopy.

利用XRD、SEM、TEM和XPS等技术对这些材料的微观结构和形貌进行了分析，采用恒电流充放电、循环伏安和电化学阻抗谱等技术测试其电化学性能。

Damping factor alignment is a key and difficult problem to the signal processing in magnetic resonance spectroscopy.

衰减系数的校正是磁共振波谱信号处理和分析过程中的一个关键难题。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。