硅藻门楔形藻属硅藻属于浮游植物,应该是微小的,但是我看图片,硅藻门中的楔形藻属相当大,有点像荷花...
摘要: ThePreventionandCureontheCuneateAlgaDiseaseofScyllaSerrataChenZhaohui(ZhejiangMaricultureResealchInstitute,Wenzhou325005)ZhangYongpu(DepartmentofBiology,WenzhouTeachersCollege.Wenzhon325027)##D 楔形藻Limphoraspp属硅藻门Bacillariophyta羽纹纲Pcnnatae等片藻关键词:...
短纹楔形藻2) wedge crack 楔形裂纹 1. After adding minor RE,the creep mechanism was changed gradually from wedge crack to creep voids,the wedge cracks were reduced significantly near fracture surface,and the fracture morphology was classical characteristics of dimple fracture. 钢中添加稀土后,其...
插画 关于 生殖. 黑盘上美味的生鱼片片,加上香萝卜丝楔形绿海藻和酱油,这是日本传统的美味佳肴. 使用ai产生. 插画 包括有 筷子, 膳食, 烹饪 - 309442220
病原为楔形藻,是一种附生硅藻,以群体生活,群体的大小不一,大的有100个以上的藻体,小的仅数个,可能与附生时间的长短有关。藻体呈楔形,内具金黄色色素体。可从群体中脱落。暂时浮游,随水流进入育苗池或虾池,也可阴附生有楔形藻的挠足类或未孵化的卤虫卵壳(投喂卤虫时)而进入育苗池。病状 虾卵和各期...