نتایج جستجو برای: manmade source

تعداد نتایج: 419529  

2002
Steven Hoff Patrick O’Shaughnessy

Emissions odors, gases, and dust from livestock production facilities arise primarily from three sources; buildings, manure storages, and land application (1). Emissions from buildings and storages form a baseline emission level. Eliminating emissions from one of the sources will likely not eliminate emissions entirely. Control technologies often address only one of the three sources. Many of t...

2013
Kristin J. Dana Oana G. Cula Jing Wang

Traditionally in vision, the reflectance of light at a surface has been modelled with rather simple linear combination of Lambertian and specular models. Such models are applicable for manmade scenes and where the surfaces are either “matte” or shiny, and rather uniform. An office scene with a desk, chalk, pen, stapler may be modeled well with these simple models. But real world scenes have a f...

2014
Cristian Alzate Samira Ortiz Vidya Manian

The whale sounds help researchers in population assessments and to follow the migratory path of whales. Acoustics is the best way to study and observe cetaceans since it is automatic and non-invasive. A technique capable of differentiating between whale songs, other marine sounds and man-made sounds would be very useful for the scientific community. This paper presents a system that can classif...

Journal: :Environmental monitoring and assessment 2012
Sarath K Guttikunda Bhola R Gurjar

The winters in megacity Delhi are harsh, smoggy, foggy, and highly polluted. The pollution levels are approximately two to three times those monitored in the summer months, and the severity is felt not only in the health department but also in the transportation department, with regular delays at airport operations and series of minor and major accidents across the road corridors. The impacts f...

2018

The problems of the dynamics of fine-dispersed particles in near-Earth space (NES) are actively considered for more than 30 years in connection with the problem of manmade pollution of near space by manmade micro-particles (MP). At the same time, the main attention is paid to the determination of the characteristics of man-made MP and the conditions for their injection into NES, capable of long...

2014
Marla Moran

From catastrophic natural disasters to the threats our college students face, there has been a heightened demand for Mass Notification Systems (MNS) that provide clear, concise and intelligible voice messages that communicate how people should respond in an emergency. Manmade or natural, the magnitude and diversity of today’s threats have influenced the federal government and other organization...

2009
Iulian Gherghel Alexandru Strugariu Tiberiu C. Sahlean Oana Zamfirescu

During 2005-2008, field observations were made on the distribution and habitat occupation by Podarcis muralis in the middle Bistrita river basin. Prior to our study, this lizard was known from only 5 localities in Romanian Moldavia (Bicaz, Cheile Bicazului, Lacu Roşu, Gherman and Dodeni). Through the present paper the authors acknowledge the existence of 28 sites populated by P. muralis in Mold...

2004

STATEMENT OF PROBLEM Digital Elevation Models (DEMs) are the digital representation of topographic and/or manmade features located on the surface of the earth. DEMs are widely used for hydrologic analyses, resource management, transportation planning, earth sciences, and environmental assessment. Increased use of DEMs in these wide-ranging applications has led to greater need for higher resolut...

Journal: :Computers & Graphics 2010
Paul Merrell Dinesh Manocha

We present a novel synthesis algorithm for procedurally generating complex curves. Our approach takes a simple example input curve specified by a user and automatically generates complex curves that resemble the input. The algorithm preserves many of the input shape features such as tangent directions, curvature, branch nodes, and closed loops. The overall approach is simple and can be used to ...

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