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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Many of these valuable compounds are only synthesized in exotic plant species or in concentrations too low to facilitate commercialization.
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Increasing the decalin/plastic ratio led to enhanced α-olefin and n-paraffins yields, but the increase was more significant in the case of α-olefins, which are valuable compounds useful as raw chemicals.
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The red microalga Porphyridium contains many valuable compounds such as polysaccharides, polyunsaturated fatty acids, and phycoerythrin (PE).
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This microalga, as biological source of commercially valuable compounds, shows high capacity for changing its productivity and biochemical composition in semicontinuous system on the basis of nutrient concentration and the renewal rate.
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However, the current sources of these valuable compounds are limited and may not be sustainable in the long term.
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| | Diaminocyclohexane is one of the by-products in diaminohexane production which can be applied to synthesis of the higher extra valuable compounds. Some seperating methods are studied and found . | | DCH是己二胺生产的副产物之一,可以合成具有较高附加值的化合物。本文对DCH的分离方法进行了多方面的探索,找出了比较有效的分离方法。 | | 文摘来源 | |   |
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