深源气是指来自地壳深部或上地幔的无机成因天然气或称非生物成因天然气，它具有明显的地质地球化学特征。
Deep source gas refers to inorganic genetic gas or abiogenic gas which comes from deep crust or upper mantle, and has apparent geology and geochemistry characteristics.
本文报道了南黄海表层沉积物中不同形态氮的区域分布特征及其在生物地球化学循环中的作用。
The distributions and functions of various forms of nitrogen in the biogeochemical cycling in the southern Yellow Sea surface sediments were investigated.
运用气藏地球化学研究方法，对高科1井的天然气特征、储层沥青的生物标志化合物特征进行了研究。
The characteristics of natural gas and reservoir bitumen in well Gaoke 1 have been studied by using the geochemical method of gas reservoir.
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