提出该岩体晶质铀矿复成因的证据。

Evidence shows that the uraninite is of polygenesis.

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分析认为，氧化锌晶须渗入在复材中将形成微观的阻尼结构，起到降低固有振动频率和增大衰减率的作用。

By the analysis penetration of ZnOw into the compound board will compose a microscopic damping structure, which can reduce the vibration frequency and increase the damping ratio.

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采用XRD和SEM法确定莫来石-堇青石复相材料的晶相结构及其含量。

The polycrystalline structure of mullite-cordierite polyphase material and its contents were determined by XRD and SEM, respectively.

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