fiction
发表于 2025-3-25 06:39:47
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讽刺
发表于 2025-3-25 07:49:09
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对待
发表于 2025-3-25 15:44:18
Background Values of 32 Elements in Dutch Topsoils, Determined with Non-Destructive Neutron Activatidifferences are observed. The concentrations of some elements in clay soils exceed proposed maximally tolerable concentrations for farming land. With the performed analysis a good insight could be obtained into the background values of many elements in soils. For the elements Cd, Cu, Hg, Ni and Pb another analytical procedure should be used.
chlorosis
发表于 2025-3-25 18:20:07
Upward Movement of Metals into Soil Covering Metalliferous Waste question is not whether such phenomena will occur but rather: (i) whether they occur at a rate and scale that will undo the protection provided by the cover and (ii) how to design a cover system to resist these effects.
FATAL
发表于 2025-3-25 22:12:39
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贪婪的人
发表于 2025-3-26 02:32:31
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JAUNT
发表于 2025-3-26 04:39:12
Grundlagen des diagnostischen Ultraschallsecently become one of the priority areas of Dutch science policy. An outline of newly developed plans to stimulate and execute this soil protection research program will be presented..Also attention will be paid to the international aspects concerned.
Phagocytes
发表于 2025-3-26 09:30:18
Michael Richter,Markus D. Flückigero the same subject. It usually depends on the viewpoint of the author, mainly determined by his personal scientific interest or background, what is the predominant nature of the concept he uses, e.g. chemical, physical, biological or ecological.
殖民地
发表于 2025-3-26 13:22:37
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JAMB
发表于 2025-3-26 17:40:44
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