نتایج جستجو برای: skylight and windows

تعداد نتایج: 16829756  

2000
Henrik Wann Jensen Peter Shirley William B. Thompson James A. Ferwerda Michael M. Stark

The issues of realistically rendering naturally illuminated scenes at night are examined. This requires accurate models for moonlight, night skylight, and starlight. In addition, several issues in tone reproduction are discussed: eliminatiing high frequency information invisible to scotopic (night vision) observers; representing the flare lines around stars; determining the dominant hue for the...

Journal: :iranian journal of nuclear medicine 2007
faraz kalantari hossein rajabi nahid yaghoobi ahmad bitarafan rajabi kourosh gorji

introduction: poor sensitivity and poor signal to noise ratio because of low injected thallium dose and presence of scattered photons are the main problems in using thallium in scintigraphic imaging of the heart. scattered photons are the main cause of degrading the contrast and resolution in spect imaging that result in error in quantification. thallium decay is very complicated and photons ar...

Journal: :Journal of Chemical Education 1992

Journal: :Cultural Studies Review 1970

Journal: :HortScience 1996

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید