Results 301 to 310 of about 5,133,566 (336)
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Properties of coarse particles in the atmosphere of the United Kingdom
Atmospheric Environment, 2011Abstract The recent rapid expansion of PM2.5 monitoring alongside PM10 has allowed estimation of concentrations of coarse particles (PM2.5–10) by difference. This has been carried out for sites using comparable measurement techniques for both metrics, and the properties of the hourly average concentration data have been evaluated.
Yan-Ju Liu, Roy M. Harrison
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Ward atmosphere as a factor in irregular discharge from an alcohol rehabilitation unit.
International Journal of the Addictions, 1983A 20-bed alcohol rehabilitation unit with a high patient retention rate had the experience of a sudden increase in irregular discharges. Administration of the Ward Atmosphere Scale developed by Rudolph Moos showed a drop in various therapeutic aspects of
J. Verinis
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Gas-phase mercury in the atmosphere of the United Kingdom
Atmospheric Environment, 1998Abstract Measurements of total gaseous mercury have been made over a period of 1 yr using a cold vapour atomic fluorescence absorption technique at Harwell, a rural site in central southern England. The mean concentration was 1.68 ng m−3, with a maximum hourly mean concentration of 20.5 ng m−3 and a minimum hourly mean concentration of 0.26 ng m−3 ...
G. J. Dollard +2 more
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A Report on the Calibration of an Atmospheric and Vacuum Distillation Unit
Petroleum Science and Technology, 2013For a crude oil distillation unit of 5 million tons/year (595.2 t/h), its calibration of heavy load was done in the paper. The yields of atmospheric gas oil and total distillate oil can reach 24.69% and 69.53%, respectively, close to their design values, and comprehensive energy consumption of the unit was 341.38 MJ/t, less than its design value, which
W. Li, J. Liu
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Atmospheric transmission: Concepts, symbols, units and nomenclature
Infrared Physics, 1965Abstract This report discusses concepts, symbols, units and nomenclature for describing the transmission of radiant flux through the earth's (variably density) atmosphere.
R. Clark Jones +2 more
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, 1995
As part of a process-outcome study the specific occupational therapy features of the ward atmosphere in a psychiatric day care unit were investigated.
M. Eklund, L. Hansson
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As part of a process-outcome study the specific occupational therapy features of the ward atmosphere in a psychiatric day care unit were investigated.
M. Eklund, L. Hansson
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Atmospheric ozone and plant damage in the United Kingdom
Environmental Pollution (1970), 1975Abstract Three tobacco varieties, differentially susceptible to ozone, were exposed outdoors 32 km west of central London, during the summer of 1972. At the same time the atmosphere was continuously monitored for ozone. Extensive damage appeared on the leaves of the sensitive variety (Bel-W3), but little or no damage was observed on the two more ...
R.A. Cox, J.N.B. Bell
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Problems in automatic control of atmospheric-vacuum units
Chemistry and Technology of Fuels and Oils, 1994Of all the sections in AVT [atmospheric-vacuum tubestill] units, the distillation towers are the most difficult to control; this is particularly true in units operating to produce lube stocks. In the atmospheric towers, three or four side streams are usually taken as end-products with specified properties; in the vacuum towers, two or three sides ...
A. P. Verevkin, Yu. M. Munirov
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Variations of atmospheric temperature with altitude in the United States
Electrical Engineering, 1941It has long been recognized that with increase in altitude the density of air decreases and influences the voltage rating and temperature rise of electrical apparatus. However, different standards for apparatus do not give the same weight to these factors.
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Trends in atmospheric reactive nitrogen for the Eastern United States
Environmental Pollution, 2011Reactive nitrogen can travel far from emission sources and impact sensitive ecosystems. From 2002 to 2006, policy actions have led to decreases in NO(x) emissions from power plants and motor vehicles. In this study, atmospheric chemical transport modeling demonstrates that these emissions reductions have led to a downward trend in ambient measurements ...
Robin L. Dennis +2 more
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