查询词典 x ray diffraction

The construction characteristics of calcium phosphite were measured with Y-4Q system X-ray diffraction apparatus and the thermal analysis method in this paper.

本文采用热分析和x衍射方法研究了亚磷酸氢钙的结构特性，获得了亚磷酸氢钙结晶水合物的热分解特性和有关热分析数据；获得了亚磷酸氢钙结晶水合物的x衍射图谱和有关衍射数据；分析了它们与结构及其变化的关系。

The metallograph, x-ray diffraction, TEM, EMPA and XPS technigues were used to research the microstructure, phase structure, microhardness, composition, Valence of composed elements, internal stress of coatings, and to measure the wear-resistance and resistance to high-temperature oxidation, too.

文中应用金相分析、X-射线衍射法、透射电镜、电子探针显微分析法和X-射线光电子谱法等手段研究了N膜的显微组织、相结构、显微硬度、膜层成分、组成元素的价态和膜层内应力等性能；还测定了铝合金表面的N膜的耐磨性和抗高温氧化性能。

Scanning electron microscopy,transmission electron microscopy,circular dichroism and small-angle X-ray diffraction were used to analyze the aggregation mode of CSG in the organogel phase.A hierarchical self-assembly model was proposed to explain the transition from molecular to primary and secondary structure.It is shown from our results that CSG can aggregate into a micellar fibril nanostructure with high length-to-width ratio which is bundled and entangled to form a three-dimensional(3D) network that immobilize the fluid component probably by surface tension.Moreover,sol-gel polymerization of tetraethoxysilane was carried out using CSG in the gel phase.

通过扫描电镜(ScanningElectron Microscopy，SEM)、透射电镜(Transmission Electron Microscopy，TEM)、圆二色谱(Circular Dichroism，CD)和小角X—射线衍射仪(Small-angle X-rayDiffraction，SAXRD)考察CSG分子自组装行为结果表明，CSG形成的聚集体具有多级结构：首先CSG通过手性堆叠自组装形成直径在9—10nm的细纳米纤维，这些细的纳米纤维再以不规则的六方堆积的方式进行排列，构成直径在40—100nm的粗纳米纤维(即细纳米纤维的&捆束&)，最后粗纳米纤维互相粘连形成三维网络状结构，使有机溶剂&固定&，从而形成凝胶；以CSG有机凝胶为模板，四乙氧基硅烷为前体，通过溶胶—凝胶聚合的方法制备了直径大约为100nm的二氧化硅纳米管。3。

Sulfide layer was made on the surface of high speed steel (W6Mo5Cr4V2) by means of low temperature ion sulfurization. The tribological properties of the sulfide layer under dry sliding were investigated on an MM 200 friction and wear test rig. An atomic force microscope and a scanning electron microscope equipped with an energy dispersive spectrometer attachment were adopted to analyze the morphologies and compositions of the original and worn surfaces of the sulfide layer. The phase structure of the sulfide layer was determined by X ray diffraction.

采用低温离子渗硫工艺在 W6 Mo5 Cr4 V2高速钢表面制备了硫化物固体润滑层，在 MM- 2 0 0型摩擦磨损试验机上对渗硫层的摩擦学性能进行了干摩擦试验研究，用原子力显微镜及扫描电子显微镜和 X射线光电子能谱分析渗层表面、截面、磨面的形貌及成分，用 X射线衍射仪分析了渗硫层相结构。

The temperature for crystallization obtained by differential scanning calorimetry is 193.92 ℃. The undeposited AgInSbTe is amorphous by the measurement of X-ray diffraction, while the phase change film is heated at 200 ℃, the peak could be observed by XRD, which indicated that the amorphous state had become a crystalline state.

示差扫描量热实验测定的结晶峰温度为193.92 ℃。X射线衍射表明未经热处理的沉积态薄膜是非晶态，而经过200 ℃热处理，X射线衍射图出现衍射峰，薄膜从非晶态转变到晶态。

Then GaN nanostructured thin films comprised of regular hexagonal crystal grains have been successfully synthesized by ammoniating Ga2O3 films at the temperature of 850℃ for 15 rain in a quartz tube. X -ray diffraction reveals that the synthesized GaN is of a hexagonal wurtzite structure with lattice constants a =0.318 nm and c =0.518 nm.

然后将硅基Ga2O3置于管武石英炉中，在850℃的氨化温度下氨化15min后，成功制备出GaN薄膜，该薄膜由正六边形的晶粒组成。X射线衍射表明GaN具有六方纤锌矿结构，晶格常数为a=0.318nm和c=0.518nm.X射线光电子能谱的测试确定了样品中Ga-N键的形成，并且Ga和N的化学计量比为1：1。

High-resolved X-ray diffraction measurements show that the crystal quality of high aluminum mole fraction(x=0.1) is poor and it may cause a large dark current. The window layer acts as a band-choice role. It induces a high responsivity and a wide response band for a higher aluminum mole fraction.

高分辨率X射线衍射仪对材料的测试结果表明，高铝组分(0.1)窗口层薄膜材料的晶体质量较差，导致暗电流增大，而其窗口层的窗口选择作用则可以得到较高的响应率和较宽的响应波段。

Had been investigated by means of X-ray diffraction , transmission electron microscopy , M〓ssbauer effect , X-photoelectron spectroscopy , EDAX, chemical analysis, gas Analysis, vibrating sample magnetometer , differential thermal analysis-thermogravimetry , image analysis, etc..

使用了XRD、TEM、穆斯堡尔谱测量、X光电子谱技术、气体分析、化学分析、EDAX、图象分析、差热-热重、振动样品磁强计等多种分析手段。

Both TEM photograph and X-ray diffraction indicate that its size is of the ordedr 70〓.

用加热固态Cd〓方法，制备了凝聚相CdSe粒子，X-射线衍射表明它是立方晶体。X-射线衍射计算和TEM分析都说明它们的大小为7nm。

The composition,structure and optical band gap of the films were characterized by energy dispersive spectrometer and X-ray diffraction.

通过X射线能谱、X射线衍射仪的测定，对薄膜进行了结构及所包含硅晶粒大小的表征。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。