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into which oxygen-containing gasification agents and optionally recycled solids are fed. The height of the conical section is greater by a factor of I-h than the diameter of the cylindrical section. In the fluidized bed, a uniform radial gas flow profile is generated in every horizontal cross-sectional plane, and average gas flow rate in the fluidized-bed region is constant or slightly increased along the longitudinal axis of the gasifier. 97100392 Progresses on the research of coal-based polymer alloy material Zhou. A. ('I rrl.. Mcitrlrr Zlzuanhua. 1996, 19, (2). 39-47. (In Chinese) Presents the research on coal-based polymer alloy material with subdivision headings: (I) characters and structure of coal polymer, (2) polymer alloy and its compatibility. (3) preparation technology of polymer alloy, (4) high performance of polymer alloy, (S) research and development of coal-based polymer alloy material, (6) the prospects of the research on coal-baaed polymer alloy. Forty-nine references are given.
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