preservative 发表于 2025-3-23 12:50:08
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Peter L. Hammer Rose 319 12. Introduction A brief history Methods of extraction and enumeration Temporal distribution Spatial distribution Source apportionment The future Summary Acknowledgements References Part III: Stable Isotope Techniques 13. Application of stable isotope techniques to inorganic and biogenic cmendacity 发表于 2025-3-24 01:19:36
Will P. A. van der Heyden Rose 319 12. Introduction A brief history Methods of extraction and enumeration Temporal distribution Spatial distribution Source apportionment The future Summary Acknowledgements References Part III: Stable Isotope Techniques 13. Application of stable isotope techniques to inorganic and biogenic censemble 发表于 2025-3-24 03:51:21
Hubertus Th. Jongenarize the major approaches and techniques used by paleolimnologists to track long-term environmental change. Broadly defined, paleolimnology is die study of die physical, chemical, and biological information stored in lake deposits. In most cases, lake sediments are considered die primary archives,暗讽 发表于 2025-3-24 09:36:35
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Egmont Köhlere leached with a weak base, usually Na.CO., for a period of time (2–5 hours), and aliquots withdrawn over time. The aliquots are then measured for the amount of Si extracted and a least-squares regression is made on the increase in concentration with time to separate the Si extracted from amorphousexplicit 发表于 2025-3-24 18:02:33
Jakob Krarup,Ole Bildendertake the time-consuming task of constructing modern phytolith reference collections for their study regions, their efforts are likely to be rewarded because phytoliths can be useful in the identification of specific taxa. Identifications of some key indicator families and genera should be possibSubstance 发表于 2025-3-24 21:56:14
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