Few researches on individual toxicity of anaerobic digestion intermediates have so far been reported, let alone researches on their combined toxicity.

有关厌氧消化中间产物的毒性研究，特别是有关多种中间产物的联合毒性研究，迄今鲜见文献报道。

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Dyes and their intermediates have a wide range variety, with a high concentration, color depth, organic matter complex composition, toxic, and poor characteristics of bio-degradable.

染料及其中间体种类繁多，具有浓度高、色度深、有机物成分复杂、毒性大、生物降解性差等特点。

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They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs.

它们向我们展示了进化过程中半成品的样貌，而完全进化的结果是鲸鱼和儒艮。

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As Lehman analyst Tony Butler pointed out on the call, cutting manufacturing costs may require buying more "intermediates" from outside the company, where Merck will have less control over their production.

FORBES: Should Merck Raise Its Dividend?