APEX
发表于 2025-3-25 03:57:13
Early Diagenesis of Organic Matter in Sediments in the chemical and isotopic signals of organic materials. Origins and diagenetic histories of organic materials can be assessed on a bulk basis, using molar ratios of carbon to nitrogen and stable isotope compositions, or on a molecular level, using characteristic molecules or compositional change
pericardium
发表于 2025-3-25 09:10:39
http://reply.papertrans.cn/71/7039/703831/703831_22.png
Asperity
发表于 2025-3-25 11:43:39
Early Diagenesis: Consequences for Applications of Molecular Biomarkersmolecules (Eglinton and Murphy, 1969; Thurman, 1985). Typically, a major fraction of the total organic matter is highly degraded and occurs in structurally complex polymers such as humic substances (Christman and Frimmel, 1988). In spite of these complexities, organic materials in modern natural env
appall
发表于 2025-3-25 16:30:27
The Early Diagenesis of Organic Matter: Reaction at the Air-Sea Interfacesed through the air-sea interface. Such alterations are not, strictly speaking, diagenetic, because they occur before the organic materials are deposited in sediments, but they are worthy of consideration if they affect what is eventually preserved relative to what was produced in the ocean or suppl
extemporaneous
发表于 2025-3-25 23:18:22
Determination of Structural Components of Kerogens by the Use of Analytical Pyrolysis Methods major organic carbon reservoir in the Earth’s crust. The chemical composition of kerogen is a complex function of its biochemical source-related mechanical composition (macerai composition) and diagenetic modification (both facies related) and its degree of thermal evolution (maturity level). Bulk
carotid-bruit
发表于 2025-3-26 01:13:12
Chemical Methods for Assessing Kerogen and Protokerogen Types and Maturityonpolar organic solvents and in nonoxidizing mineral acids (HCl and HF). It is generally believed to be the major starting material for most oil and gas generation as sediments are subjected to geothermal heating in the subsurface. It is the most abundant form of organic carbon on Earth—about 1000 t
大吃大喝
发表于 2025-3-26 06:22:40
Organic Petrographic Approach to Kerogen Characterizationrganic fraction which is insoluble in organic solvents, comprises up to 90% or more of the organic matter in sedimentary rocks and is 1000 times more abundant than the sum of coal and reservoired oil (Hunt, 1979). Evaluation of the role of kerogen in oil and gas formation is a major concern in oil e
Constant
发表于 2025-3-26 11:19:24
sitäten Helsinki und Zürich gehalten habe. Nach Möglichkeit sind auch die Fortschritte der geometrischen Funktionentheorie der letzten Jahre berücksichtigt worden, vor allem in der Richtung der Theorie der offenen RIEMANNschen Flächen. An dieser Stelle möchte ich meinen Dank aussprechen für wertvoll
悄悄移动
发表于 2025-3-26 13:22:42
Roger E. Summonssitäten Helsinki und Zürich gehalten habe. Nach Möglichkeit sind auch die Fortschritte der geometrischen Funktionentheorie der letzten Jahre berücksichtigt worden, vor allem in der Richtung der Theorie der offenen RIEMANNschen Flächen. An dieser Stelle möchte ich meinen Dank aussprechen für wertvoll
无价值
发表于 2025-3-26 20:45:40
http://reply.papertrans.cn/71/7039/703831/703831_30.png