主要原因是加氢生成油中的荧光性物质对光的安定性较差。
The fluorescence in oil is the main cause to poor stability of hydrogenated oil under the light.
结果摘要如下： （1） 白色桑蚕茧中存在荧光性物质，这些荧光性物质是从血液中被丝腺细胞吸收而进入丝物质中的。
The results are summarized as follows:(1) There are flourescent substances in the white cocoon layer. These substances are absorbed from the blood by the silk-gland cells.
该文依据分子轨道理论和固体物质的能带理论，对石油及岩石矿物的荧光性成因进行了论述。
The article deals with the oil and rock mineral property according to the molecular orbit theory and the energy band theory of the solid material.
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