The effective reservoir of deep basin gas must have densified before the mass generation and expulsion of hydrocarbons from source rock, so do the "sweet points".
深盆气的有效储集层必须在烃源岩大量生、排烃之前就致密化,“甜点”也应在烃源岩大量生、排烃之前形成。
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The photosynthetic characteristics during development and senescence of sweet potato leaves were measured by using PQW infrared gas analyzer.