منابع مشابه
Buoyancy-driven flow in a peat moss layer as a mechanism for solute transport.
Transport of nutrients, CO2, methane, and oxygen plays an important ecological role at the surface of wetland ecosystems. A possibly important transport mechanism in a water-saturated peat moss layer (usually Sphagnum cuspidatum) is nocturnal buoyancy flow, the downward flow of relatively cold surface water, and the upward flow of warm water induced by nocturnal cooling. Mathematical stability ...
متن کاملSpent Mushroom Waste as a Media Replacement for Peat Moss in Kai-Lan (Brassica oleracea var. Alboglabra) Production
Peat moss (PM) is the most widely used growing substrate for the pot culture. Due to diminishing availability and increasing price of PM, researchers are looking for viable alternatives for peat as a growth media component for potted plants. A pot study was conducted with a view to investigate the possibility of using spent mushroom waste (SMW) for Kai-lan (Brassica oleracea var. Alboglabra) pr...
متن کاملDevelopment and implementation of a team of robotic tractors for autonomous peat moss harvesting
This paper describes the key system components of a team of three tractors in a peat moss harvesting operation. The behavior and actions of the tractors were designed to mimic manual harvest operations while maintaining a safe operating environment. To accomplish this objective, each of the three tractors was equipped with a bolt-on automation package, and a human operator (team leader) was giv...
متن کاملA Computational Analysis of Inertial Particle Transport from Peat Moss Vortex Rings
We present a numerical analysis of how vortex rings from Sphagnum moss disperse their spores. Comparisons of the results of our CFD model with data measured from high-speed video reveal that the pressure inside the capsules is only 2 atm, which is significantly less than has been reported in the literature. We show that vortex rings produced by these pressures do not optimize the impulse to the...
متن کاملStudies on chromium(III) removal from aqueous solutions by sorption on Sphagnum moss peat
Batch sorption experiments were performed for the removal of chromium(III) ions from aqueous solutions using Romanian Sphagnum moss peat (untreated and treated with NaCl solution) as sorbent. In order to establish the best conditions for the sorption of chromium(III), the influence of initial pH, contact time, peat dose and metal ion concentration was investigated. The Freundlich, Langmuir and ...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1889
ISSN: 0003-4932
DOI: 10.1097/00000658-188901000-00012