查询词典 x ray diffraction

Crysalline shape and behavior were investigated by polarizing microscope and wide angle X-ray diffraction spectrum.The results show that the value of impact strength is maximum while tensile strength,flexural strength,modulus and vicat softening temperature are least when the content of β form nucleator is 0.05 phr.

结果表明，当β成核剂的含量在0.05份时，冲击强度达到最大值，而拉伸强度、弯曲强度、模量、维卡软化温度等达到最小值；当β成核剂含量为0.05份以下时，随着β成核剂含量增加，PP中β晶结晶度大幅度上升，同时α晶结晶度大幅度下降；增加β成核剂用量至大于0.10份时，β晶结晶度略为下降，而α晶结晶度上升，但总结晶度随着β成核剂含量增加呈现上升趋势。

The effects of pourpoint depressants on the wax crystal s of Shengli crude oil are studied by using X-RAY diffraction, the polar microscope and micro-electrophoresis instruments.

取得以下主要结论：从原油中分离出的蜡晶为正交晶型的晶体，晶面距为0。

The physical properties of WO3 thin films were tested by scanning electron microscope、X- ray diffraction and electron prober microanalysis measurements respectively.

采用分光光度计测试了WO3薄膜在原始态、着色态和退色态的透射光谱、透射率变化的时间响应。

Based on the amorphous structures of Ni-P alloys derived from X-ray diffraction determination, R〓 or Tp is reasonably explained in terms of the variation in the metal -metalloid bond numbers with P contents according to the rhomb unit structure model .

首先，它对镍晶核的形成有阻碍作用，TU浓度越大，成核所需的过电位越高；其次，在存在镍晶核的表面上，TU对镍颗粒的生长起促进作用，藉此也可解释TU对化学镀层形貌的影响。

It is found by X-ray diffraction analysis that the coatings are composed of anatase and rutile.

XRD分析显示氧化膜的相组成为锐钛矿以及金红石。

The X-ray diffraction results of corrosion products and scanning electron microscopy analysis of corrosion surface were used to comparatively investigate the corrosion properties of Zn/Al coatings, and to study the self-sealing mechanism.

研究表明，与纯锌、纯铝涂层相比，对于钢基体，锌铝复合涂层具有更加合适的阴极保护电位，可以大大提高防护寿命；海水环境中涂层表面会形成一层致密稳定的腐蚀产物膜，能有效阻止腐蚀介质向涂层内部的渗透，涂层会保持在一个较低的腐蚀速度。

The X-ray diffraction scans indicate that the film is a tetragonal structures.

XRD分析表明制备的薄膜的BFO层为四方结构。

The results of X-ray diffraction confirmed that the samples were pure and had a tetragonal K2 NiF4-type structure.

电阻率结果表明这组样品在测量温区都是半导体行为。

The effect of heat treatment process and substrates on the crystallization, structure, topography, orientation and conductivity of LNO films have been investigated systematically by means of thermogram analysis, X-ray diffraction, transmission and scanning electron microscopy, Rutherford backscattering spectrometry and electrical measurement.

本论文首次采用金属有机物分解法，选择异辛酸盐作为有机前体，成功地制备了具有钙钛矿结构的LaNiO〓导电氧化物电极，并通过多种分析测试手段系统地研究了热处理工艺、衬底类型等对LNO晶化、微结构、表面形态、取向以及导电性能的影响。

The result obtained form wide angle X-ray diffraction proves that the crystallite structure in the blend is still triclinic as the same as PET, and the cell index has no change.

用高斯和柯西混合函数对WAXD结果进行分峰处理后证实：共混物中晶体结构与PET相同，仍为三斜晶系，晶胞参数未改变。

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。