Intermittent freeze drying equipment for control of drying at different stages of heating temperature and vacuum degree requirements.

间歇式冻干设备便于控制物料干燥时不同阶段的加热温度和真空度的要求。

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Irreversible drying shrinkage is partially caused by the increase in the degree of silicate polymerization of C-S-H.

总干缩中部分不可逆收缩是由C - S - H的硅酸盐聚合度增加而造成的。

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Measures for improving the quality of filter paper are discussed in terms of beating degree, fines removal, mercerization treatment, sepiolite acid treatment, additives addition, drying and pressing.

本文从控制打浆度、筛除细小纤维、丝光化处理、酸处理海泡石、加入助剂、干燥和压榨等方面讨论了提高海泡石配抄植物纤维生产滤纸质量的措施。

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