Low pit aspiration ratio and cracks of some bordered pits are the main reasons for increasing liquid impregnation after radio-frequency vacuum drying treatment.

具缘纹孔的闭塞率较低以及部分具缘纹孔周缘破裂是高频真空干燥后木材浸注性提高的主要原因。

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A vacuum high pressure filling equipment in which a filling rate can be increased and the impregnation time can be shortened when a porous workpiece is immersed in filling liquid.

本发明提出一种在使有孔被加工品浸渍在填充液体中时可以提高填充率以及缩短含浸时间的真空高压填充装置。

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C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.

利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料，通过金相显微镜、面扫描观察了难熔金属颗粒在材料中的分散状态；

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