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| 1 | 漠河盆地多年冻土带生物气的发现及对陆域天然气水合物勘查的重要意义显示文摘东北漠河盆地多年冻土带不仅具有生物气形成的温度、地下水盐度、地下水Eh值和p H值等环境条件,而且具有生物气形成所需的丰富有机质。漠河盆地MK-2井的数据显示,井深870 m内的烃类气体干燥系数C1/C1-5>98%,70%以上的甲烷碳同位素δ13C1<-55‰,几乎所有的甲烷氢同位素δD<-250‰,表现出明显的生物成因特征。区域和井下样品的生物标志物分析表明,几乎所有样品都含有25-降藿烷系列化合物,展示了漠河盆地多年冻土带微生物活动的普遍性。这一系列直接和间接标志,充分证实了漠河盆地生物气的存在,大大拓展了该区域天然气水合物的成藏气源,扩大了东北地区水合物的成藏潜力和勘查前景。这对东北地区乃至中国陆域多年冻土带的天然气水合物勘查都具有重要指导意义。 | 赵省民 邓坚 饶竹 文志刚 陆程 刘晨 | 2015 | 石油学报2015，36，8： | 13 |
| 2 | Certainty and uncertainty in understanding global warming显示文摘Global warming has greatly concerned the whole world.Owing to the limitation we currently have,it is still difficult to completely understand the mechanism and physical science of climate change.Now both certainty and uncertainty coexist in the understanding of climate warming.This paper aims to summarize certainties and uncertainties in climate-warming studies,which focus on seven key problems related to human activities,namely,global warming,atmospheric concentrations of greenhouse gases,relationship between greenhouse gas emissions and climate warming,climate models,future climate change,2?warming threshold and tipping point in the Earth's system.We should comprehensively take into account the level of certainty and uncertainty in our understanding of climate change while adapting to and mitigating global warming and adjusting our industrial structures accordingly.This would allow us to respond to change with certainty,while avoiding the risks associated with uncertainty. | Fang Wang Quansheng Ge Shaowu Wang Bangbo Chen | 2014 | Chinese Journal of Population,Resources and Environment2014，12，1： | 1 |
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