In areas where river deltas inject organic material and dissolved trace elements into the sea, for instance, it's not clear how all of the intricately related processes will affect water chemistry.

例如，在有些地区，河流三角洲将有机物质和溶解的微量元素注入海洋，目前还不清楚所有这些错综复杂的相关进程将如何影响水的化学性能。

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The combination of organic chemistry and mineral chemistry, as well as the combination of non - fixed form material and colloid material chemistry are the secret formula in this century.

有机化学和矿物化学的结合，以及无定形材料化学和胶体材料化学的结合，是这一世纪混凝土成功的秘诀。

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Propylene oxide is important material of organic chemistry industry.

环氧丙烷是一种重要的有机化工原料。

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By bombarding the fossils with an infrared synchrotron beam a noninvasive way of analyzing a material's internal chemistry the scientists said they detected molecular traces of an organic protein inside the mineralized bones.

WSJ: Dinosaur Embryos Point to Rapid Growth