Conclusion: Under the ozone aging condition, the SY-1 silicone elastomers stained with oil pigment and inorganic salt may have better color stability than that with gouache color.

结论：SY 1硅橡胶在臭氧老化条件下，油画类颜料与无机盐类颜料色彩稳定性优于水粉颜料。

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With the ultraviolet spotlight, Kirby was able to see individual particles of oil-stained sand rolling along the beach.

通过紫外聚光灯，Kirby可以看到在沙滩上散布的沾了石油的沙砾。

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Boots worn by University of South Florida graduate student Katie Brusché are stained with yellow-brown tar from the Gulf oil spill, as seen under ultraviolet light in a long-exposure photograph.

南佛罗里达大学研究生 Katie Brusché 穿着的一双靴子。

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In California, an offshore drilling rig stained the coast of Santa Barbara with more than 3 million gallons of crude oil.

CNN: Challenges ahead for a changing Earth