Method: Pollen exine ultrastructure were compared for 18 populations growing under in the same environment by means of scanning electron microscope (SEM).
方法：借助扫描电镜对栽培在同一生境下的18个半夏居群的花粉形态、大小及表面纹饰等特征进行观测比较。
Effect of martensite volume fraction on deformation dislocation structure and fracture for hot rolled dual-phase steel of the same composition was studied by using SEM and TEM.
利用SEM、TEM研究了同一成分的热轧双相钢的马氏体体积分数对形变位错结构和断口组织特征的影响。
The result of SEM analysis shows that, within the same holding time, with normalizing temperature increasing, the layer-mesostructure is denser and denser.
扫描电镜分析表明：在相同的保温时间内，随正火温度的升高， 片层状珠光体越来越密集。
With the help of scanning electronic microscope (SEM), the same conclusion is proved by the interfacial state and morphological structure of the composites.
应用扫描电子显微镜(SEM)，分别对不同复合材料进行了界面形态的观察，证明与试验结果一致。
The existence of closed geodesic lines (oscillate loci) is proved. Although there are infinite closed loci on the surface of scatterer, they yield same result in determining SEM poles.
本文给出了闭合测地线，即振荡轨迹的存在性，证明了这种闭合轨迹虽有无穷多条，但就确定SEM极点来说是等价的。
XRD, SEM were used to analyze the effect of addition of citric acid on the particle size and agglomeration for HAP powder. At the same time, other technologic parameters were also studied.
采用XRD,SEM等实验方法研究了柠檬酸的加入对产物粒径大小、团聚的影响，并对实验中的有关工艺参数进行了研究。
XRD, SEM were used to analyze the effect of addition of citric acid on the particle size and agglomeration for HAP powder. At the same time, other technologic parameters were also studied.
采用XRD,SEM等实验方法研究了柠檬酸的加入对产物粒径大小、团聚的影响，并对实验中的有关工艺参数进行了研究。
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