Sarcoma
发表于 2025-3-23 11:30:11
The late Frasnian (Upper Devonian) Kellwasser Crisis,uences on different groups of organisms over a time span of more than 1 my. Therefore the term Kellwasser Crisis (KW Crisis) is introduced. Extraordinary episodes of the KW Crisis, like e.g. the Upper KW Horizon, develop stepwise, too. The KW Bio-event demands a multicausal explanation. A model of s
不合
发表于 2025-3-23 15:28:02
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自作多情
发表于 2025-3-23 18:07:58
Frasnian/famennian event in the Holy Cross Mts, Central Poland: Stratigraphic and ecologic aspects, i.e. distinctly after Frasnian/Famennian reef extinction event. Stepwise termination of the Frasnian-type biotas was joined with successive sea-level fluctuations interfering with local tectonic activity, but diversified and locally abundant coral-dominated coelenterate communities, as well as pecu
扩音器
发表于 2025-3-24 02:16:39
,Late Devonian — Early Carboniferous paleobiogeography of benthic Foraminifera and climatic oscillatoraminiferal fauna which are believed to reflect the major climatic oscillations. A certain regularity of the outlined oscillations raises the question of the periodicity of the initial events. The extinctions at the Frasnian-Famennian and Devonian-Carboniferous boundary appear to be stepwise affect
Flavouring
发表于 2025-3-24 06:24:34
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ethereal
发表于 2025-3-24 09:49:50
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群居动物
发表于 2025-3-24 10:42:56
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Yag-Capsulotomy
发表于 2025-3-24 15:28:33
Falguni Sarkar,P. S. Paul,Aveek Mangalvents, and flood-basalt volcanism suggests some common thread of cause and effect. Links between these phenomena have been proposed, and although the interactions are most likely complex, one common effect might be an increase in trace metals in the earth‘s surface systems. Increased trace metals co
节约
发表于 2025-3-24 19:20:10
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不能根除
发表于 2025-3-24 23:27:58
Comprehensive Utilization of Carbide Slag,n based on photosynthesis. Waters from the main pycnocline (100–1000 m) or deeper naturally contain decay products from sinking organic matter as a function of the oxidation state of the waters. Such products, in proper concentrations, can inhibit photosynthetic growth or are toxic or debilitating t