On media and under natural conditions, the morphological characteristics and sizes of sporogenous structure, spores et al. were described and surveyed.
描述和测量了梨锈重寄生菌在自然条件和人工培养基上产孢结构、孢子等的形态特征及大小。
According to the conditions of intern al energy resources, China will potentially face the gross energy shortage supply, especially to the structural shortage in oil and natural gas.
综观国内能源资源条件,国内能源供应将面临潜在的总量短缺,尤其是石油、天然气供应将面临结构性短缺。
The surface morphology and section view of Al substrate in different conditions and Cr deposition were observed by SEM.
利用扫描电镜(SEM)及背散射电子像,观察了不同条件下基体与铬镀层的表面及断面形貌。
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