Sodium din-butyl naphthalene sulfonate was prepared from n-butyl alcohol, naphthalene and fuming sulfuric acid.

本文提供二正丁基萘磺酸钠及二异戊基萘磺酸钠之制备方法。

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The dissolved nitrogen (DIN) concentrations in the Wujiang River basin were much higher than the global average values and the main form of nitrogen was nitrate nitrogen (NO3-N).

乌江流域溶解无机氮含量较世界平均水平高，其主要存在形式为硝态氮（NO_3-N）。

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The father of two grown daughters, Mr. Niccolini escapes the din of the restaurant world at the Bedford, N.

WSJ: Julian Niccolini