查询词典 vis

Combined with UV-Vis absorption spectra, the photochromic properties of these compounds were studied intensively in different solvents.

通过UV-Vis光谱对化合物在不同溶剂中的光致变色性能进行了研究，讨论了溶剂和结构对光致变色性能的影响。

The UV-vis absorption and photoluminescent spectra of the systems in n-hexane, tetrahydrofuran, and CH2Cl2 are investigated.

并用UV-vis和PL测定了此类化合物在正己烷、四氢呋喃和二氯甲烷不同极性溶剂中的发光性能。

Pseudocubic shaped α-Fe2O3 nano-films were prepared by dip-coating technique. The structure, morphology and spectroscopy of the thin films were characterized by XRD, AFM, UV-Vis and FT-IR methods.

采用浸渍提拉法制备了准立方体α-Fe2O3纳米薄膜，利用XRD、AFM、UV-Vis和FT-IR对其表面形貌和谱学性质进行了表征。

Two new binuclear complexes, [TpCu(μ-1, 1-N3)2CuTp](1) and [Tp(superscript *)Co2CoTp(superscript *)](2) Tp=tri (pyrazolyl borate and Tp(superscript *)=3,5-dimethyltri borate, have been synthesized and characterized by IR, UV-vis, ESR, and CV. The crystal structures of both complexes have been determined by X-ray single crystal diffraction.

合成了两个新型的含三吡唑硼配体的双核铜配合物[TpCu(μ-1， 1-N3)2CuTp](1)和双核钴配合物[TpCo2CoTp](2)，并通过IR，UV-vis，EPR，CV，X-射线单晶衍射等手段进行表征。

The method by drying/adsorption was used to prepare DNA adsorptively modified electrodes, and thus-resulting DNA-modified electrodes were electrochemically and spectroscopically characterized, including cyclic voltammetry, scanning tunneling microscopy, Raman spectroscopy, in-situ UV/Vis reflection spectroscopy, X-ray photoelectron spectroscopy, and alternating current impedance. Some information about the state of DNA immobilized on electrode surfaces was obtained.

鉴于此，本论文工作首先利用简便的干燥吸附法制备获得DNA吸附修饰电极，采用电化学方法及多种谱学仪器方法如STM，XPS，Raman，交流阻抗，UV-Vis现场光谱等对DNA修饰电极进行了表征，获得了有关DNA在电极表面状态等有价值的信息；又采用自组装单分子层修饰技术，制备出DNA共价键合修饰SAM/电极，并对制备条件进行了优化，利用XPS及电化学方法对修饰电极进行了表征。

Titanium incorporated mesoporous molecular sieves Ti-MCM-41, Ti-HMS, and Ti-MSU were synthesized through S〓I〓, S〓I〓, and N〓I〓 pathways using cetylpyridium bromide, tetredecylamine, and polyoxyethylene (10) stearyl ether as the structure-directing agents, respectively. The framework structure and the titanium coordination environment of these materials were characterized by XRD, N〓 adsorption/desorption, TG, TEM, FT-1R, DR UV-Vis, and ICP-AES. It was confirmed that the titanium was highly dispersed in the silica-based framework positions, and all samples were free of extra framework titanium impurities. The catalytic performance of these titanium containing mesoporous materials was investigated in the oxidation of styrene with aqueous H〓O〓 as the oxidant.

以TEOS和TBOT为硅源和钛源，分别以溴代十六烷基吡啶、十四胺和十八烷基聚氧乙烯基醚为模板剂，通过S〓I〓、S〓I〓和N〓I〓方式合成了含钛的介孔分子筛Ti-MCM-41、Ti-HMS和Ti-MSU，用XRD、N〓吸附/脱附、TEM、FT-IR、DR UV-Vis和ICP-AES等方法对它们的骨架结构、孔道结构以及钛原子的存在方式等进行了系统表征，结果表明钛原子以高分散的形式存在于以SiO〓为基本单元的介孔分子筛的骨架结构中，制备过程中未形成聚集态的骨架外金属氧化物物种。

Raman spectrum and UV-vis-NIR absorption spectrum show that the above procedure does not change the electronic structures of single-walled carbon nanotubes. Moreover, the infrared spectrum confirms the formation of amide bond between ammonium sulfamate and carbon nanotubes.

Raman光谱和UV-vis-NIR吸收光谱表明，上述处理过程没有改变单壁碳纳米管的电子结构；此外，红外光谱的研究说明氨基磺酸铵与碳纳米管是通过酰胺键连接起来的。

Thesample has been characterized by XRD, IR, UV-Vis, TG-DTA, ICP, CHN, N2adsorption measurements. Its catalysis was studied via a model reaction. A new titanosilicate JLU-3 was obtained under autogenous pressure at 513K for3 days. The molar ratio of initial mixture was 486.0NaOH:3.0TiO2:1.0SiO2:2.2TEA:83.0H2O.

详细考察了 JLU-3 钛硅酸盐分子筛的合成中OH-/SiO2，TiO2/SiO2，H2O/SiO2，模板剂，晶化温度和时间等影响因素，并利用 XRD，IR，UV-Vis，TG-DTA， ICP， CHN， N2吸附测试等方法对其进行了表征和性能研究，利用模型反应研究其催化性能。

Heterogeneous Salen-Mn catalyst was prepared by chemical linkage and sol-gel entrapping method. The catalyst and its precursor were characterized by means of FT-IR, UV-vis and 1H NMR.

采用化学键联和溶胶－凝胶相结合的方法制备锚链固定的多相化Salen-Mn催化剂，利用FT-IR，UV-vis，1H NMR等方法对催化剂及其前体进行表征。

Carbon-doped TiO2 thin films were prepared by direct current reactive magnetron sputtering at room temperature in an Ar/O2 ambience, using a titanium target incrusted with graphite pieces. The films as prepared were characterized by X-ray diffraction, UV-Vis transmission spectra, and photoelectrochemistry methods.

室温下通过直流反应磁控溅射的方法，利用碳钛镶嵌靶在Ar/O2气氛中制备了碳掺杂纳米TiO2薄膜，并通过X射线衍射、UV-Vis透射光谱以及光电化学的方法对薄膜进行了表征。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。