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衍射曲线

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A method of relative calibration for "Shanghai"soft X-ray film,using transmission grating on synchrotron radiation source,is introduced.

介绍了在同步辐射源上用透射光栅对"上海"软X光胶片进行相对标定的方法,初步研究了"上海"胶片的特性,得到了在276eV和930eV两能点的胶片黑密度与相对曝光量的关系曲线;应用标定结果,计算了光栅的衍射效

Study on transmission spectrum of ZnO films;2. Study of Measuring Grating Parameters with Transmission Spectrum and Design of Perfect Anti-reflection Coating;3. Kinetics of the oxidation process of the copper films in the thickness range of 16~22 nm at 140 ℃ was studied by using transmission spectrum and sheet resistance methods.

采用方块电阻和透射光谱两种方法为表征手段,测量16~22nm范围内不同厚度Cu薄膜在140℃下完全氧化所需要的时间,得到了Cu薄膜氧化反应的动力学曲线,并利用X射线衍射分析了氧化产物的晶相结构和成分。

Next , Blue organic light-emitting material Liq is synthesized, purified with chemical and physical methods. The pureness of Liq is inspected with liquid chromatogram and element analytical methods. Then the structure token of Liq is carried out by X-ray diffraction, IR spectra, UV absorption spectra, cyclic voltammeter and fluorescence spectra, fluorescence spectrum.

结合实验条件,合成了蓝色有机发光材料Liq,对其进行了化学和物理提纯,用液相色谱及元素分析法进行了纯度检测,并用X-射线衍射、红外吸收光谱、紫外—可见吸收光谱、循环伏安曲线、及荧光光谱等测试手段对Liq进行了结构表征。

Cerium dioxide ultrafine powder is prepared by electrochemical method using composite coating of In-Ru-Ir as anode,cerous nitrate and ammonium nitrate as electrolyte.

以钛基钌-钇-铑涂层电极作为阳极,硝酸铈和硝酸铵作为电解液,电化学法制备二氧化铈超细粉体,用X射线衍射和透射电镜进行了表征,制备条件用正交实验设计进行优化;通过极化曲线,计算了电极过程动力学参数

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例,测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛,分析了水对处理木材结晶度及内部凝聚力的影响;通过未处理和两种处理木材在不同温度水中的连续应力松弛测定,应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量,分析了在水中松弛过程中不同阶段木材内部发生的化学反应;并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量,明确了交联反应的类型;为了了解干燥对处理木材塑性变形固定的影响,测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛,分析了温度变化对处理绝干木材应力松弛的影响;根据多个温度水平下的连续应力松弛测定曲线,计算松弛过程的热力学量,考察了绝干木材在松弛过程中内部发生的分子变化机理,同时也用间歇法定量了木材内部新形成的架桥量,并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

Hot corrosion behavior of Na2SO_4 coated B-1900 alloy was studied in air at 827 and 750℃.Corrosion kinetics of the coated alloy was gravimetrically measured,and contents of water soluble ions in the reaction products were chemically analyzed.X-ray diffraction and EMP techniques were employed to determine the components and morphology of the corrosion product scale.

用涂 Na_2SO_4盐膜法研究高温合金 B-1900在827℃和750℃于空气中的热腐蚀行为,测定其腐蚀动力学曲线,用 X -射线衍射和电子探针元素面扫描方法分析腐蚀产物的相组成和成份,还对其中的水溶性离子进行化学定量分析。

The hydrated products and pore size distribution of high road fly ash cement s were studied by means of XRD,DTA,Mercury porosimeter,etc.

采用X -射线衍射、差热分析、微量热计及压汞测孔仪对公路粉煤灰水泥的水化产物、水化放热曲线、孔尺寸分布进行了研究。

Ringy amorphous alloy Fe36Co36B20Si4Nb4 is obtained by the method of copper mould suction casting. Wholly amorphous structure is proved by x-ray diffraction and differential scanning calorimeter. The parameters obtained from DSC proves that it has high glass forming ability.

采用铜模吸铸法,制备出管状非晶态合金Fe36Co36B20Si4Nb4.X-射线衍射分析与差示扫描量热曲线DSC分析表明,Fe36Co36B20Si4Nb4完全是非晶态,具有很强的玻璃形成能力,并确定了它的热力学参数。

Our study rules out the effect of strain and composition alloying as the main factor of peak splitting. We attributed it to the existence of large amount of non-stoichiometry part in GaN/Si grown by MBE. A direct proof has been observed by HRTEM, which shows that the propagation of dislocations in the underlying layers could be blocked by using periodic AlN/GaN structure.

用三轴晶高分辨X射线衍射研究了Si(111)上生长的GaN中的应变组分问题,我们发现GaN的对称(0002)及非对称(10-12)峰在三轴晶配置下的ω-2θ扫描曲线都会发生劈裂,我们排除了应力和合金化的因素,认为在MBE方法生长的Si(111)上GaN外延层中存在一个占较大比例的稍微偏离化学配比的部分。

At certain temperature and hydrogen flow rate, the weight changing of tungsten trioxide during the reduction was investigated by thermo balance, and the phase transformation analyzed by means of XRD.

在一定的温度和氢气流量条件下,用热分析天平精确测量WO3 还原反应过程中,不同时间的质量变化,并用X射线衍射分析进行物相鉴定,绘制纳米级WO3 (粒径≤ 5 0nm)的还原动力学曲线。

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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。

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