查询词典 x ray diffraction

Nanotubular titanates, with an external diameter of around 8 nm and a wall thickness of about 1 nm, are prepared by hydrothermal processing, and the thermal stability is tested. The products are charactrized by transmission electronic microscopy, X-ray diffraction and thermogravimetric analysis.

采用水热合成方法制备出外径约8 nm，壁厚为1 nm的纳米管，以TEM，XRD和TG等分析手段对不同工艺条件下获得的产物进行了表征，对它们的热稳定性进行了测试。

The silver nanoparticles were characterized by using X-ray diffraction,energy dispersive spectrometer and scanning electron microscope.

在70℃时采用聚乙烯吡咯烷酮和氢氧化钠的混合水溶液，利用葡萄糖还原硝酸银制备了银纳米颗粒。

The possibility to obtain the titanium nitride from this process was asserted by thermodynamical analysis and by the means of X-ray diffraction and SEM.

首先，对钛白粉、活性碳用碳热还原反应合成氮化钛进行了热力学分析，证明了碳热还原反应合成氮化钛的可行性。

Farther X-Ray diffraction, SEM, spectro-meter analysis reveals that the element Cr which sinters and induces phase transformation leads to relatively smaller oxide weight-loss of 40Cr, then the oxidation laws of two steels are surmarized.

用XRD、SEM、EDS等方法对两种钢的氧化皮进行分析，得出40Cr钢氧化失重率相对减小的原因是因为Cr合金元素的烧结引起的相变所致。

The influence of RF power and oxygen ratio on the grain size, the residual stress and optical properties was investigated by X ray diffraction and transmission spectra.

通过XRD和透射光谱研究了射频功率和氧气比例对ZnO薄膜的晶粒尺度、应力状态和光学性能的影响。

The InP nanocrystallite was prepared by reflowing and annealing of organic solvent. The 55nm average diameter of InP nanocrystallits was obtained by calculating X-ray diffraction spectrum.

用有机溶剂回流退火法制备出了磷化铟纳米晶，并通过XRD谱计算出平均粒径为55nm。

The crystal structures of the two polymorphs are so similar that they can hardly be distinguished by usual polycrystalline X-ray diffraction methods.

后者是一种亚稳相。这两种多型体的结构非常相似，用通常的多晶衍射方法难以区分。

We tried to prepare Li2S-SiS2 based thionitride glasses by the solid synthesize method, where Li3N was used as a nitrogen source. This paper reports the preparations, electrical, and electrochemical properties of Li2S-SiS2-Li3N glasses. Phase identification was carried out by X-ray diffraction .Ionic conductivity of the pelletized solid electrolytes was investigated through AC impedance.

本文以无机固体电解质为研究对象，利用固相合成方法制备了以Li2S-SiS2为基体掺杂Li3N的三元体系Li2S-SiS2-Li3N；通过XRD对样品进行了物相分析；采用交流阻抗技术测量了电解质样片的阻抗谱并计算了离子电导率和活化能；并利用循环伏安法估测了电解质样片的电化学稳定性；用固体电解质组装成模拟电池进行充放电测试。

X-ray diffraction. The microstructure and cross section microhardness of nitrided layers were observed and analyzed by optical microscope and microhardness tester.

在一定的工件表面温度下，粒子表面物理吸附的氮原子发生脱附，脱附下来的活性氮原子渗入基体的内部，形成渗氮层。

An AB_5-typed hydrogen storage alloy, La_(0.65)Ce_(0.28)Pr_(0.02)Nd_(0.05)Ni_(3.8)Co_(0.7)Mn_(0.3)Al_(0.2)MIB_(5.0, was prepared by twin-roller rapid quenching technology. It was thenmodified with transitional metal oxides of Cr_2O_3, V_2O_5, ZnO, NiO and MnO_2 by ballmilling, respectively. The physical and chemical performances of modified alloyswere studied by X-ray diffraction, scanning electron microscopy,electrochemical impedance spectroscopy, galvanostatic cyclic, and cyclicvoltammetry.

采用双辊淬冷技术制备了AB_5合金La_(0.65)Ce_(0.28)Pr_(0.02)Nd_(0.05)Ni_(3.8)Co_(0.7)Mn_(0.3)Al_(0.2)，用V_2O_5、Cr_2O_3、Cu_2O、Fe_2O_3、MnO_2等不同的过渡金属氧化物对该贮氢合金进行表面球磨改性，用XRD、SEM、EIS、恒电流充放电、循环伏安等方法研究改性前后合金晶体结构，充放电性能等。

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。