نتایج جستجو برای: c biological n fixation
تعداد نتایج: 2261024 فیلتر نتایج به سال:
microbial calcium carbonate, by bridging sand particles, can play an important role in sand dune stability. a study was carried out on the cementation of sand grains and infilling of pore spaces by caco3. two bacterial species (sporosarcina pasteurii and sporosarcina ureae), three reactant concentrations (0.5, 1 and 1.5m), and six reaction times (12, 24, 48, 96, 192 and 288 hours) were tested i...
Oxygen minimum zones (OMZs) have been suggested as a suitable niche for the oxygen-sensitive process of biological fixation dinitrogen (N 2 ) gas. However, most N rates reported from such waters are low. This low activity has proposed to result unusual community fixers, in which cyanobacteria were typically underrepresented. The Northern Benguela Upwelling System (North BUS) is part one product...
Background: Comminuted subtrochanteric fractures have been a challenge for orthopedic surgeons in terms of appropriate reduction and stable fixation. Numerous methods have been used for the fixation of comminuted subtrochanteric fractures among which some are accompanied with technical difficulties and complications of their own. Regarding the results of previous studies, we decided to evaluate...
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