Results 101 to 110 of about 150,777 (255)
An Observational Determination of the Bolometric Quasar Luminosity Function [PDF]
, 2006 We combine a large set of quasar luminosity function (QLF) measurements from the rest-frame optical, soft and hard X-ray, and near- and mid-IR bands to determine the bolometric QLF in the redshift interval z = 0-6.
P. Hopkins, G. Richards, L. Hernquist
semanticscholar +1 more source
Bioscience Journal, 2017 Forage production in the Brazilian semiarid region can be enhanced by irrigation and shading to maximize water use. We evaluated the productivity and morphological characteristics of buffel grass (Cenchrus ciliaris) intercropped with butterfly pea ...
Augusto Henryque Costa Souza +7 more
doaj +1 more source
Cosmological Evolution of the Hard X-Ray Active Galactic Nucleus Luminosity Function and the Origin of the Hard X-Ray Background [PDF]
, 2003 We investigate the cosmological evolution of the hard X-ray luminosity function (HXLF) of active galactic nuclei (AGNs) in the 2-10 keV luminosity range of 1041.5-1046.5 ergs s-1 as a function of redshift up to 3.
Y. Ueda, M. Akiyama, K. Ohta, T. Miyaji
semanticscholar +1 more source
The influence of side-curtain color on broiler chick behavior
Brazilian Journal of Poultry Science, 2013 Brazilian poultry production is prospering, and negative-pressure broiler houses are increasingly used to improve environmental control. One important issue is the color of the side curtains used in such houses due to the influence of colors on broiler ...
R do A Vercellino +6 more
doaj +1 more source
Nature, 1905 IN conjunction with my other methods of testing colour vision, I have been using Rayleigh's apparatus for matching yellow with a mixture of spectral red and green. I find that the proportions of red and green depend upon the luminosity of the match (both the mixed colour and the simple one being of similar luminosity); for instance, I require two and a
openaire +2 more sources
EVALUATION OF GRAPHENE WASHING FASTNESS ON CELLULOSE FABRIC AND METHOD TO IMPROVE IT [PDF]
Annals of the University of Oradea: Fascicle of Textiles, Leatherwork, 2019 Graphene is a recently discovered material that has attracted a great deal of attention in numerous fields, from electronics to textiles, including medicine and energy harvesting. Its use confers interesting properties to conventional textile substrates,
RUIZ-CALLEJA Tamara +3 more
doaj
Growth and flowering of carnation cultivated in different pot colors and protected environments
Notulae Botanicae Horti Agrobotanici Cluj-NapocaThe Dianthus caryophyllus L. occupies the second position of the best sold cut flowers after rose. The choice of the environment and the cultivation container is crucial for flower production because, besides permitting higher temperature, light, and ...
Suzielly S.A. NAGEL +7 more
doaj +1 more source
Abiotic factors drives floristic variations of fern’s metacommunity in an Atlantic Forest remnant
Brazilian Journal of Biology, 2018 We analyzed floristic variations in fern’s metacommunity at the local scale and their relationship with abiotic factors in an Atlantic Forest remnant of northeastern Brazil.
L. E. N. Costa +4 more
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LUMINOSITIES OF RADIO PULSARS [PDF]
International Journal of Modern Physics D, 2013 Luminosity is an intrinsic property of radio pulsars related to the properties of the magnetospheric plasma and the beam geometry, and inversely proportional to the observing frequency. In traditional models, luminosity has been considered as a function of the spin parameters of pulsars.
openaire +3 more sources