Sulphur and hydrogen isotope composition of coal are evidently effected by environment.
煤的硫、氢同位素组成明显地受环境的影响。
Research on chemical components and isotope composition of carbon and hydrogen of natural gases from the Tarim basin shows that all discovered gases in this basin are thermogenic.
天然气的组分和碳、氢同位素组成特征研究表明塔里木盆地已发现的天然气均为热解气。
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