نتایج جستجو برای: cooling water
تعداد نتایج: 594524 فیلتر نتایج به سال:
Mangrove and saltmarsh communities are essential components of estuarine ecosystems on the NSW south coast. Globally, projected sea level rise under IPCC climate scenarios pose a significant threat to the survival of mangrove and saltmarsh ecosystems. The resilience of mangrove and saltmarsh to the impacts of sea-level rise is dependent upon the maintenance of their elevation with respect to ri...
Maars are monogenic volcanic edifices of peculiar morphology with a wide circular crater surrounded by a low gentle rim of erupted pyroclastic material. Craters of maars are deeply incised into underlying rocks (frequently down to the aquifer), which explains their frequent partial or complete water infill. Owing to their morphological peculiarities, maars are easily identifiable in air photos.
Nir Goldman,† Raymond S. Fellers,‡ Claude Leforestier,§ and Richard J. Saykally*,† Department of Chemistry, UniVersity of California, Berkeley, California 94720-1416, Yahoo!, 3420 Central Expressway, Santa Clara, California 95051, Laboratoire Structure et Dynamique des Systèmes Moléculaire et Solides (UMR 5636), CC 014, UniVersité des Sciences et Techniques du Langue-doc, 34095 Montpellier Céde...
This study constructed a parameter analysis for improving the energy performance of air-cooled water chillers by altering the angle configuration of the condenser coils. The mathematical models for energy and exergy analyses of the individual components and overall system of air-cooled water chillers are presented. This study investigated the potential enhancement of performance efficiency in a...
Abstract: It was important to sustainable development of aquaculture industry used biological method and biotechnology to treat the waste of aquaculture. In this paper, an airlift recirculating aquaculture system was designed and polychaete worms was cultured in it. According to the different food level experiment, the growth of Perinereis aibuhitensis was tested in each system which marked M1,...
Abstract: The diameter and configuration of tubes are important design parameters of power condensers. If a proper tube diameter is applied during the design of a power unit, a high energy efficiency of the condenser itself can be achieved and the performance of the whole power generation unit can be improved. If a tube assembly is to be replaced, one should verify whether the chosen condenser ...
We compare outcomes across two types of villages in a poor region of rural India. The two types of villages systematically vary by which caste is dominant, i.e., the caste group which owns the majority of land. The dominant caste is either from an upper caste or a lower backward caste. The key finding is that income is substantially higher for low caste households residing in villages dominated...
In their recent study, Pering et al. (2017) presented a novel method for measuring volcanic water vapor fluxes. Their method is based on imaging volcanic gas and aerosol plumes using a camera sensitive to the near-infrared (NIR) absorption of water vapor. The imaging data are empirically calibrated by comparison with in situ water measurements made within the plumes. Though the presented method...
[1] Rhodes [2005] brings up some excellent points in his comments on the work of Istanbulluoglu et al. [2004]. We appreciate the opportunity to respond because it is likely that other readers will also wonder how they can apply the relatively simple analysis to important policy questions. Models necessarily reduce the complexity of the problem to make it tractable and synthesize some diverse so...
The aim of this study was to evaluate the effect of water irrigation on heat dissipation kinetics following abutment preparation of 1-piece dental implants. UNO 1-piece dental implants were mounted on Plexiglas apparatus clamping the implant at the collar. T-type thermocouple was attached to the first thread of the implant and recorded thermal changes at 100 millisecond intervals. Implants were...
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