气泡
发表于 2025-3-21 17:54:57
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IRATE
发表于 2025-3-21 21:46:53
Dissolved gases in sea waterces of a number of these are given in Table 8.1. The ocean can act as either a source or a sink for atmospheric gases. The gases enter or leave the ocean via exchange across the air/sea interface, and are transported within the ocean reservoir by physical processes.
Ceremony
发表于 2025-3-22 00:42:18
Nutrients, organic carbon and the carbon cycle in sea waterate organic carbon, i.e. the ., drives the processes that control the removal of material from the water column and its incorporation into the sediment sink. The nutrient and carbon cycles are intimately interrelated, but for convenience they are considered separately in the following sections.
Retrieval
发表于 2025-3-22 06:01:41
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障碍
发表于 2025-3-22 12:23:27
The input of material to the ocean reservoirThe World Ocean may be regarded as a planetary dumping ground for material that originates in other geospheres, and to understand marine geochemistry it is necessary to evaluate the composition, flux rate and subsequent fate of the material that is delivered to the ocean reservoir.
Counteract
发表于 2025-3-22 16:34:01
The transport of material to the oceans: relative flux magnitudesIn the preceding chapters we have considered the three principal primary pathways by which material is transported to the World Ocean at the present day, i.e. river run-off, atmospheric deposition and hydrothermal exhalations. The magnitudes of the fluxes associated with each of these transport pathways are discussed below.
Cursory
发表于 2025-3-22 19:20:49
Marine sedimentsMarine sediments represent the major sink for material that leaves the sea water reservoir. However, before attempting to understand how this sink operates, it is necessary briefly to describe the sediments within a global ocean context.
难取悦
发表于 2025-3-22 23:50:47
re benign in character with a ratio of benign to malig nant of about 60 to 40. The relative incidence of malignant mediastinal tumors in children is about 50%. Even though mediastinal tumors are not common, they represent a unique problem with regards to treatment whether by surgery, radiation ther
遗忘
发表于 2025-3-23 04:02:23
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集合
发表于 2025-3-23 09:25:37
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