我吃花盘旋
发表于 2025-3-25 05:54:21
Valter Morettide. Atmospheric emissions of N.O and NH. are almost entirely due to biological activity on the continents and in the oceans. The combustion of fossil fuels and biomass is the principal source of NO.. The only relevant chemical transformations in the troposphere are the oxidation of NO. to NO.. and t
使长胖
发表于 2025-3-25 10:05:06
Valter Moretti the Northern hemisphere, where experimental data are available. In tropical developing countries, however, experimental studies are lacking. This paper summarizes available data and assesses the impacts of human activities on N fluxes in Puerto Rico, a densely populated Caribbean island that has ex
我就不公正
发表于 2025-3-25 15:03:39
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RAG
发表于 2025-3-25 16:02:49
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不能平静
发表于 2025-3-25 22:06:05
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CUR
发表于 2025-3-26 02:39:17
Valter Morettity. The present work investigated the effects of nutrient additions on the diversity of the herbaceous-subshrub layer of a Brazilian savanna. The experimental design consisted of an unfertilized control and four fertilization treatments as follows: + N (100 kg N ha. year. as (NH.).SO.), + P (100 kg
Carcinoma
发表于 2025-3-26 06:48:33
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失误
发表于 2025-3-26 10:19:24
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antidote
发表于 2025-3-26 14:24:13
Valter Moretti by vnfHDGK, and a third enzyme which contains neither Mo nor V encoded by anfHDGK. A complex array of regulatory proteins controls expression of the three sets of nitrogenase structural genes. These include the three specific activators NIFA, VNFA, and ANFA; NIFL, which as in K. pneumoniae is neces
裂缝
发表于 2025-3-26 18:34:52
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