نتایج جستجو برای: water cooler
تعداد نتایج: 554345 فیلتر نتایج به سال:
Character and spatial distribution of OH/H2O on the surface of the Moon seen by M3 on Chandrayaan-1.
The search for water on the surface of the anhydrous Moon had remained an unfulfilled quest for 40 years. However, the Moon Mineralogy Mapper (M3) on Chandrayaan-1 has recently detected absorption features near 2.8 to 3.0 micrometers on the surface of the Moon. For silicate bodies, such features are typically attributed to hydroxyl- and/or water-bearing materials. On the Moon, the feature is se...
Cooled exhaust gas recirculation (EGR) is a very effective method to reduce nitrogen oxide emissions of diesel engines. However, due to particulate matter and other components present in diesel exhaust gas, EGR coolers are highly prone to fouling. As different soot deposition mechanisms are acting inside the coolers, various model cooler experiments were performed to clarify their contribution ...
Sentinel ducks and domestic turkey flocks were monitored for influenza infection during a 4-year period. The onset of infection among ducks was similar each year, occurring in late July or early August. Influenza in turkeys was also shown to be seasonal, but the usual onset was 6 to 8 weeks after the detection of influenza in sentinel ducks. Possible explanations for the delayed infection in tu...
BACKGROUND American College of Surgeons Trauma Quality Improvement Best Practices recommends initial massive transfusion (MT) cooler delivery within 15 minutes of protocol activation, with a goal of 10 minutes. The current study sought to examine the impact of timing of first cooler delivery on patient outcomes. METHODS Patients predicted to receive MT at 12 Level I trauma centers were random...
This paper reviews North Atlantic shelf seas palaeoclimate during the interval 4-3Ma, prior to and incorporating the 'Mid-Pliocene warm period' (ca 3.29-2.97Ma). Fossil assemblages and stable isotope data demonstrate northwards extension of subtropical faunas along the coast of the Carolinas-Virginia (Yorktown and Duplin Formations) relative to the present day, suggesting a more vigorous Florid...
Background: Population growth, urban development due to the migration to the cities and the increasing demand are of the component that influences on volume of water available. therefore water conservation in cities, espically in yazd is very important. Methods: This research as a cross-sectional study was conducted on high consumption households. Sampling was carried out to cluster method and ...
This paper presents the development of a transcritical CO2 heat pump water heating system model incorporating analytical heat exchanger models and an empirical compressor model. This study investigated the effects of a suction line heat exchanger (SLHX) and once-through versus multi-pass water heating schemes. The once-through systems outperformed the multi-pass systems by 10% for the system wi...
A new and economically attractive type of geothermal resource was recently discovered in the Krafla volcanic system, Iceland, consisting of supercritical water at 450 °C immediately above a 2-km deep magma body. Although utilizing such supercritical resources could multiply power production from geothermal wells, the abundance, location and size of similar resources are undefined. Here we prese...
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