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In spite of the effectiveness of the fiber coatings on interface modification of carbon fiber reinforced magnesium matrix composites, the cost and exclusive equipment for the coatings preparation are usually ignored during research work. In this paper, pyrolytic carbon (PyC) and TiO2 were coated on carbon fiber surface to study the effects of fiber coatings on interfacial microstructure and mechanical...
During oocyte maturation, egg envelope undergoes a series of changes in structure and function. We investigated the follicular envelope, zona radiata and plasmalemma of Chinese perch, Siniperca chuatsi at five different developmental stages by light, scanning and transmission electron microscopy. An octopus-like structure in the zona radiata was observed for the first time. The increasing thickness...
Cortical granules are secretory vesicles in oocytes that develop from the Golgi complex. In the freshwater shrimp, Macrobrachium nipponense, mitochondria participates in the formation of cortical granules. We investigated the structural changes of mitochondria and the distribution cortical granules in different stages of oocyte development. Transmission electron microscopy provided evidence for the...
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