(n.) Whiteness. Specifically: (Astron.) The ratio which the light reflected from an unpolished surface bears to the total light falling upon that surface.
Example Sentences:
(1) I describe concentrations of reflected solar radiation (albedo) found at the usual sites of various conditions associated with exposure to the sun--pterygium, pinguecula, climatic droplet keratopathy and cataract and eyelid malignancy.
(2) This proposed dosimeter (a combination of Harshaw beta-gamma thermoluminescence dosimeter and albedo neutron thermoluminescence dosimeter) has an advantage of using a minimum number of thermoluminescence dosimeter elements (therefore, making it less costly) to measure the dose equivalents in a mixed field of neutron, photon, and beta radiation.
(3) This, together with the effective attenuation coefficient, permits indirect experimental determination of both the albedo and the anisotropy factor (g) of the scattering function.
(4) The calculated energy spectra can be used in other problems and the albedo factors can be applied in practical shielding design for medical linear accelerators.
(5) In the total population of 75 subjects, the skin albedo correlated significantly with skin resistance, a relationship which was not maintained when the total population was separated into its component subgroups of whites, blacks and Indians.
(6) We estimate that an optimized converter would produce even higher sensitivities as an albedo dosimeter in realistic radiation fields.
(7) The parameters selected were altitude, season, ozone content and albedo.
(8) Use of the Pigmentometer, a new device for measuring skin albedo: Relating skin color with a series of physiological measures.
(9) Combined with the ice-albedo feedback, this amplifies the region’s warming, and may affect circulation patterns like the jet stream , that can affect weather patterns in the lower 48 states and elsewhere.
(10) Multiple reflection of neutrons is also considered using the albedo concept in the calculation.
(11) Furthermore, when the incident fluence is known, the theory can be used in a non-linear, two-parameter fitting algorithm to determine the absorption and reduced scattering coefficients of a turbid sample with an accuracy of 10-15% for transport albedos ranging from 0.42-0.88.
(12) The dose albedos for 60Co and 137Cs beams normally incident on concrete have been calculated and compared with experimentally determined values in the literature.
(13) The generated energy spectra are then used to calculate the albedo factors for 4-, 10-, and 18-MV bremsstrahlung x-ray beams normally incident on concrete, iron, and lead.
(14) It was observed that blacks had significantly lower (darker) skin albedo (PI), a significantly higher skin resistance (SR) and amplitude of the galvanic skin response (GSR), and an insignificant higher basal heart rate (HR).
(15) Except at extremely high albedo, the experimental data and the Monte Carlo results agree well for the depth dependence of the fluence as a function of incident light beam diameter and optical absorption and scattering, and for the dependence of the diffuse reflectance on the albedo.
(16) A simple model, developed from the data obtained, made it possible to calculate relative irradiance as a function of the angle of inclination and the ground reflection (UV albedo).
(17) The number albedo decreases with increase in the atomic number of the reflecting medium.
(18) The albedo effect is related to a surface's reflecting power – whiter sea ice reflects more of the sun's heat back into space than darker seawater, which absorbs the sun's heat and gets warmer.
(19) Albedo changes Painting roofs and roads white , covering deserts in reflective plastic sheeting, dropping pale-coloured litter into the ocean and genetically engineering crops to be paler have all been proposed to reflect sunlight back into space .
(20) Climate models show that the reduction is related to the man-made global warming, which, due to the albedo effect, is particularly pronounced in the Arctic," he said.
Terra
Definition:
(n.) The earth; earth.
Example Sentences:
(1) The apogee, for me, is his book Terra Nullius , a 2005 Australia travelogue that indicts Britons and white Australians for terrible abuses such as the transportation of Aborigine women to the chillingly named Isle of the Dead where they were given inappropriate and often fatal syphilis treatment, and the extensive forced separation of "half-blood" children from their families to prison-like camps.
(2) To the sensitization and the sensitine production the following type strains (Trudeau Institute Saranac Lake) were used: M. avium, M. borstelense, M.chelonei, M. flavescens, M. fortuitum, M. gastri, M. gordonae, M.kansaii, M. marinum, M nonchromogenicum, M. phlei, M. scrofulaceum, M. smegmatis, M. terrae, M. triviale and M. bovis strain Vallee as well as M. intracellulare serotyp Davis ATCC 23435.
(3) Four Seasons was Terra Firma ’s first major deal after EMI.
(4) "I didn't come here to apologise," Bush told world leaders in a defiant seven-minute speech, even as the IPS daily conference newspaper Terra Viva led off with the story in an arresting headline: "US President Snubs His Nose at Rest of the World."
(5) The nucleotide sequence homology data also suggested that G. bronchialis, G. rubra, and more equivocally G. terrae, formed distinct species.
(6) Officers working on Operation Infra-Terra now hope for similar results.
(7) This study supports the contention arising from previous case reports of pulmonary disease that M. nonchromogenicum is the pathogenic member of the M. terrae complex.
(8) Yasuni is terra incognita, one of the beastliest, lushest, most fecund, abundant but unknown places on earth.
(9) Kandyman , a psychopathic killer hired by Helen A, ruler of human colony Terra Alpha, is some kind of confectionery weirdo.
(10) Times have certainly changed since Scott's famous Terra Nova expedition, but there is a new epic tale that I also hope will not be lost in the telling.
(11) An immunocompromised patient with Mycobacterium terrae synovitis and osteomyelitis is presented.
(12) We are not going away.” Additional reporting by Mae Ryan, Jessica Glenza, Ana Terra Athayde and Steven Thrasher in New York
(13) More than 500,000 Indians demonstrated against the WTO's predecessor, the General Agreement on Tariffs and Trade, and the agenda of powerful groups such as the Movimento Sem Terra (the Landless) in Brazil and the Zapatistas in Mexico are beginning to forge a new global ideology of resistance to corporate expansion.
(15) The major novels Fuentes produced in these years were Cambio de Piel (Change of Skin, 1967), and the 350,000 word, all-encompassing Terra Nostra (Our Land, 1975), which spans more than 2,000 years of history and has been called "a panoramic Hispano-American creation myth".
(16) These measures appeared to result in the disappearance of M. terrae from subsequent clinical specimens.
(17) Meanwhile, however, speculative novelists – Andy Weir in The Martian , Kim Stanley Robinson in Red Mars – foresee how we will overcome terrestrial shortages by turning to asteroid mining or the terra-forming of Mars.
(18) The following day Kidron – who began her film-making career more than 30 years ago when she took a camera with her to Greenham Common – phoned Ryan to see if he might want to talk further about his answer; she talked, too, to his mother, and eventually she was invited into the great terra incognita of contemporary life, the teenage bedroom.
(19) We believe this to be the first report defining the epidemiologic aspects of M. terrae contaminating clinical specimens.
(20) The group comprising M. terrae, M. fortuitum, M. chelonei, M. flavescens and rapid growers were generally not well separated by GLC; however, 6 of 12 M. terrae strains, 2 of 3 M. flavescens, and all 5 M. fortuitum strains had specific profiles.