anagen
发表于 2025-3-28 18:04:17
Willi Törnig or in most natural waters, the predominant form of soluble Mo is the molybdate anion, Mo0.. Only under unusual conditions of very high enrichment will Mo be found as soluble polymolybdate in waters. In nature the only important ore is molybdenite (MoS.); however, some powellite and deposits containing wulfenite also occur.
Dignant
发表于 2025-3-28 19:33:26
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指数
发表于 2025-3-28 23:09:35
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补充
发表于 2025-3-29 04:57:01
of new or primary N, against retention and recycling of secondary N from old/storage tissue to new growth. Thus in senescing deciduous trees the maximum re-absorption of N for recycling is about 70%, with a slightly smaller value for evergreen species (Aerts 1996).
阴谋
发表于 2025-3-29 07:20:33
Willi Törnigunlight, and the production of radicals in the retina leads to changes in molecular configuration that are perceived as light. There is nothing esoteric or unusual about radical reactions: they are commonplace.