The degradation efficiency of decane, a model substance of oil on water, was studied with irradiation by sunlight.

以癸烷为水面模拟污染物，考察了其在日光照射下的降解效率。

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Following the model where code can be refined a posteriori akin to some substance in some industrial process will generally bring few benefits.

遵循某种模型，则代码可以通过它在编码之后得到精化，就像工业生产过程中提炼出的某种物质那样，总会带来一些好处。

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A prevailing view of substance abuse, supported by both the National Institute on Drug abuse and Alcoholics Anonymous, is the disease model of addiction.

由国家滥用药物研究所及匿名酗酒协会支持的观点，也是现在最盛行的观点：滥用药物是吸毒成瘾的疾病模型。

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While nominally directed at ALEC for promulgating model legislation, it appears in substance aimed directly, in part, at this writer who drafted one of the most recent such models.

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It may be tempting to class the model-turned-presenter as yet another all-style-no-substance star.

BBC: Sara Cox: A model host