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180.357  Articles
1 of 18.037 pages  |  10  records  |  more records»
Aerosol particulate matters and heavy metal concentrations were measured for the period of August and September 2005 in Dhaka a Southeast Asian Mega City.  Particulate matters (PM) of different size fractions (TSP, PM10 and PM2.5) were collected on t... see more

The aerosol optical depth (AOD) from satellites or ground-based sun photometer spectral observations has been widely used to estimate ground-level PM2.5 concentrations by regression methods. The boundary layer height (BLH) is a popular factor in the regre... see more

The effort to accurately estimate global radiative forcing has long been hampered by a degree of uncertainty in the tropospheric aerosol contribution. Reducing uncertainty in natural aerosol processes, the baseline of the aerosol budget, thus becomes a fu... see more

The concentrations and size distributions of culturable bacterial aerosols were measured during spring and winter in outdoor air in Gliwice, Upper Silesia, Poland. This research on culturable bacteria was carried over a period of two years. The samples we... see more

Healthcare services must be guided by biosafety practices and microbial control. This control is highly influenced by humidity, which directly impacts the maintenance of sterility of the materials used in the appointments. High concentration of moisture, ... see more

Objective: To evaluate the influence of ownership concentration on variation in corporate performance before and after initial public offerings (IPO) in firms launched on B3.Methods: Economic and financial information was obtained from the reference forms... see more

Objective: To evaluate the influence of ownership concentration on variation in corporate performance before and after initial public offerings (IPO) in firms launched on B3.Methods: Economic and financial information was obtained from the reference forms... see more

Fogis boundary layer phenomenawhose formation is usuallyinfluenced by surface conditions. Fog is considered as serious hazardinPunjab andSindh particularly duringwinter. Winter inPakistanbecame short and intenseunder the changing climate. The increasingtr... see more

Thisresearch study has beencarried outtoexplore the dependence offog formation onRadioactive aerosols. The aerosols containing radioactive nuclides are called radioactive aerosols. Alarge number ofradioactive nuclides are presentinthe atmosphere amongwhic... see more

1 of 18.037 pages  |  10  records  |  more records»