According to the microstructure, the microgels could be classified into homogeneous type and core shell type.
迄今凝胶微粒按微观结构可分为均质型和核-壳型两大类。
This text attempts to regard silica as shell materials, regard nanometer iron and carbonyl iron particle as core materials to prepare a kind of new-type absorbent.
本文以二氧化硅为壳层材料，以纳米铁以及羰基铁粒子为核层材料，制备一种新型的吸收剂粒子。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
After the fabrication of the U type tubular mode heat exchanger core is completed, the shell side hydro-test shall be performed in order to protect the joints of the tube and the tube from leakage.
U型管式换热器芯子制作后应进行壳程水压试验，以确保管接头及管不泄漏。
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