由于琼脂糖是D—半乳糖和3,6—脱水—l—半乳糖相间结合的链状多糖，由其制成的珠状颗粒是一种理想的层析介质。
Agarose, which is a kind of catenarian amylose, is consisted of D-galactose and 3, 6-dehydration-l-galactose. And agarose particles are a sort of ideal chromatography medium.
以压缩空气为输送介质，粒径相同而密度不同的小米和空心玻璃珠为输送物料，在水平变角度Y型分支管气力输送试验台上对气固两相的流量分配特性进行了研究。
By using compressed air as conveyance power and millet as a transport medium in horizontal Y-shaped branch pipes, the solid flow distribution characteristics of the above pipes were studied.
相比传统的氧化铝微珠，具有更高的断裂韧性和较低的硬度，是一种代替高岭土球、河砂和铁粒等天然材料研磨介质的经济型和实用型的陶瓷珠。
Compared to the alumina beads, it has a higher fracture toughness and lower hardness. It is an economic ceramic bead to replace Kaolin bead, silica sand and other natural grinding media.
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