منابع مشابه
Transport of lead and diesel fuel through a peat soil near Juneau, AK: a pilot study.
A set of peat column experiments was used to determine the transport potential of lead (Pb) and diesel range organics (DRO) in palustrine slope wetlands near Juneau, AK. This project is important to southeast Alaskan communities because limited land resources are forcing development of regional wetlands. This study was instigated by concerns that proposed modifications to a nearby rifle range u...
متن کاملInfluence of Substitution of Peat with Iranian Zeolite(Clinoptilolite) In Peat Medium on Ficus Benjamina Growth
This experiment was designed to characterize the effects of size and concentration of an Iranian clinoptilolite zeolite on the growth ofFicus benjamina (starlight) in peat base media. Ficus benjamina was stock rooted and grown in a peat consisting perlite (2: 1 v/v) (P: Pe), zeolite (10, 20, 30 and 40 v/v %, two sizes 0.5-3 mm and 3-8 mm) instead of peat in P: Pe (2: 1 v/v) media. Ficus benjami...
متن کاملIn-field fuel use and load states of agricultural field machinery
The ability to define in-field tractor load states offers the potential to better specify and characterize fuel consumption rate for various field operations. For the same field operation, the tractor experiences diverse load demands and corresponding fuel use rates as it maneuvers through straight passes, turns, suspended operation for adjustments, repair and maintenance, and biomass or other ...
متن کاملA Methodology for Modeling the Influence of Construction Machinery Operators on Productivity and Fuel Consumption
This paper is concerned with modeling the actions of a human operator of construction machinery and integrating this operator model into a large, complex simulation model of the complete machine and its environment. Because human operators to a large degree affect how the machine is run, adaptive operator models are a necessity when the simulation goal is quantification and optimization of prod...
متن کاملHalogens in peat porewater
Halogens in porewater of peat bogs – the role of peat decomposition and dissolved organic matter H. Biester, D. Selimović, S. Hemmerich, and M. Petri University of Heidelberg, Institute of Environmental Geochemistry, INF 236, 69 120 Heidelberg, Germany Zweckverband Bodensee-Wasserversorgung, Betriebsund Forschungslabor, Süßenmühle 1, 78 354 Sipplingen, Germany Received: 16 August 2005 – Accepte...
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ژورنال
عنوان ژورنال: Minutes of the Proceedings of the Institution of Civil Engineers
سال: 1874
ISSN: 1753-7843
DOI: 10.1680/imotp.1874.22766