Composting is a general treatment method for organic solid waste.

堆肥化是处理有机固体废物的主要方法之一。

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Composting is one of the most effective ways for recycling of organic solid waste.

堆肥是资源化处理有机固体废弃物的有效途径之一。

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The organic solid deposition in oil and gas system has been a serious problem in the petroleum industry.

油气体系中有机固相沉积问题一直是石油工业界所面临的严峻问题，它伴随着石油生产和加工的各个环节。

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So, these are all the fundamentals that are involved in chemistry that relate to physical chemistry, organic chemistry, inorganic chemistry, biological chemistry, and are a solid foundation for studying any kind of life science.

所必须知道的最基本的化学知识,这些都是和物理化学,有机化学，无机化学，生物化学有关的基础知识,也是学任何生命科学的基础。

麻省理工公开课 - 化学原理课程节选

But without those acquisitions, Verisk Health enjoyed solid organic revenue growth of 36.7%, thanks for demand for its payment accuracy fraud services and its enterprise analytics.

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Once the fermentation process that creates the methane is finished, the remaining solid matter, or "digestate" is used as an organic fertilizer for crops that will later be used as feedstock for the animals.

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