نتایج جستجو برای: soil structure interactions

تعداد نتایج: 2052818  

Soil microbial fuel cells (SMFCs) are expected as an application to produce sustainable energy. Here, we focused on soil ecosystems, specifically the earthworms which are known to improve soil-fertility by degrading fallen leaves or plant litter. The aim of this study was to investigate the effect of earthworm on power generation of the SMFC. The maximum power density and the internal res...

2002
A. Zartl A. Klik E. Schiebel

Soil erosion research is a popular topic in soil science that appears in conjunction with several other topics like soil and/or water conservation, soil physics, chemistry and – biology and others. A request for the term “soil erosion” on CAB abstract CD, dated from January 1992 to January 2001, resulted in 15.531 articles. According to the publication year on average 1.639 articles are publish...

Journal: :روش های عددی در مهندسی (استقلال) 0
حمزه شکیب و مهرداد صدرنشین h. shakib and m. sadrneshin

in this study, the effective parameters on the inelastic response of asymmetric buildings is evaluated for an ensemble of real iranian earthquake records by considering soil-structure interaction. then, the design eccentricity obtained from the inelastic dynamic soil-structure analysis is compared with the design eccentricity of seisimic codes of iran, atc-3, new zeland, canada, mexico, austral...

آزادبخت, آزاده , دریکوند, زهره ,

9-aminoacridinum acridine-9-carboxylate (1) as a proton transfer ion pair was obtained by the reaction of 9-aminoacridine, acridine-9-carboxylic acid and zinc nitrate (1:1:1 molar ratio) in solvents mixture H2O/MeOH under reflux condition. The crystal structure of this compound was determined by elemental analysis, IR spectroscopy and single crystal X-ray diffraction method. Crystallographic da...

Journal: :Journal of environmental sciences 2009
Ruijuan Li Bei Wen Shuzhen Zhang Zhiguo Pei Xiaoquan Shan

The influence of pH on the sorption of pentachlorophenol (PCP) onto three organic amendments, char, humic acid (HA) and peat, and the effect of organic amendments on PCP sorption to three kinds of soils were evaluated. The sorption of PCP on these sorbents fitted the Freundlich model well, suggesting that PCP sorption isotherms were nonlinear with exponential coefficient (N) value lower than 1....

Journal: :Ecology 2015
Daniel C Schlatter Matthew G Bakker James M Bradeen Linda L Kinkel

Plant species, plant community diversity and microbial interactions can significantly impact soil microbial communities, yet there are few data on the interactive effects of plant species and plant community diversity on soil bacterial communities. We hypothesized that plant species and plant community diversity affect soil bacterial communities by setting the context in which bacterial interac...

2015
Kristin Schulz-Bohm Hans Zweers Wietse de Boer Paolina Garbeva

There is increasing evidence that volatile organic compounds (VOCs) play essential roles in communication and competition between soil microorganisms. Here we assessed volatile-mediated interactions of a synthetic microbial community in a model system that mimics the natural conditions in the heterogeneous soil environment along the rhizosphere. Phylogenetic different soil bacterial isolates (B...

2017
Pakoyo Fadhiru Kamba Bruhan Kaggwa Edson Ireeta Munanura Tom Okurut Freddy Eric Kitutu

The last generation has witnessed bludgeoning of the world's population, a spike in disease burden, and unprecedented levels of pharmaceutical consumption and production. Unfortunately, pharmaceuticals have left their industrial and household confines and leaked into the environment. Pharmaceuticals are now major environmental pollutants, and are ubiquitous in waters and soils. Unlike other env...

2002
Yu Zhang Changsheng Li Carl C. Trettin Ge Sun

[1] Wetland ecosystems are an important component in global carbon (C) cycles and may exert a large influence on global climate change. Predictions of C dynamics require us to consider interactions among many critical factors of soil, hydrology, and vegetation. However, few such integrated C models exist for wetland ecosystems. We developed a simulation model, Wetland-DNDC, for C dynamics inclu...

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