Results 11 to 20 of about 15,851,959 (333)
Optical contrast in near-field techniques [PDF]
, 1995 In this paper results of experiments with a scanning near-field optical microscope with shear-force feedback are presented. The setup will be described and the shear-force signal as function of distance is shown.
Bölger, B. +3 more
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Zeitschrift für Kristallographie - New Crystal Structures, 2023 C48H56Cd2N8O8, monoclinic, P21 (no. 4), a = 10.7150(6) Å, b = 15.5902(8) Å, c = 14.3463(7) Å, β = 91.032(2)°, V = 2396.1(2) Å3, Z = 2, Rgt(F) = 0.0504, wRref(F2) = 0.1339, T = 173 K.
Sun Hong-Shun
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11,11-Diphenyl-11H-indeno[1,2-b]quinoxaline
IUCrData, 2020 In the title compound, C27H18N2, the mean planes of the pendant benzene rings are approximately perpendicular to one another, making a dihedral angle of 79.3 (5)°; the indeno[1,2-b]quinoxaline ring system (r.m.s.
Lin Chen +3 more
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Tomography, 2021 Objectives: To evaluate multiphase low kV computed tomography (CT) imaging of the abdomen with reduced contrast media (CM) dose using different injection protocols.
Daniel Overhoff +6 more
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Pattern specificity of contrast adaptation. [PDF]
, 2014 Contrast adaptation is specific to precisely localised edges, so that adapting to a flickering photograph makes one less sensitive to that same photograph, but not to similar photographs.
Anstis, Stuart
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Contrastive Markers in Contrast [PDF]
Discours, 2019 Contrastive markers are one of the richest groups of discourse markers in Romance languages. There are several conjunctions and other connectives that can express various types of contrast both at the text level and at the sentence level. In this paper, the main contrastive markers of Spanish, Catalan, Italian and Romanian will be classified and ...
Cuenca, MJ, Postolea, S, Visconti, J
openaire +2 more sources
Diethyl 3,3′-[(4-fluorophenyl)methylidene]bis(1H-indole-2-carboxylate)
IUCrData, 2019 In the title compound, C29H25FN2O4, the mean planes of the indole ring systems (r.m.s. deviations = 0.0107 and 0.0158 Å) are approximately perpendicular to each other, subtending a dihedral angle of 87.43 (16)°. The 4-fluorophenyl ring is twisted by 77.6
Yu-Long Li +6 more
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Lexical-Grammatical Means of Expressing Oppositivity in an English Literary Text
RUDN Journal of Language Studies, Semiotics and Semantics, 2021 The article considers the notional nature and peculiarities of genus-species relations between the phenomena of opposition and oppositivity ; it also deals with the lexical-and-grammatica ways of expressing the latter in an English literary text.
Larisa N. Lunkova, Julia I. Frolova
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Crystal structure of diethyl 3,3′-[(2,4-dichlorophenyl)methylidene]bis(1H-indole-2-carboxylate)
Acta Crystallographica Section E: Crystallographic Communications, 2017 In the title compound, C29H24Cl2N2O4, the mean planes of the two indole ring systems (r.m.s. deviations = 0.1249 and 0.0075 Å) are approximately perpendicular to one another, with a dihedral angle of 80.9 (5)° between them.
Yu-Long Li +4 more
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Assessing the monitor warm-up time required before a psychological experiment can begin [PDF]
Tutorials in Quantitative Methods for Psychology, 2017 Visual experiments in psychology, psychophysics, and cognitive neuroscience require precise control over stimulus characteristics, such as luminance and contrast. In such experiments, stimuli are most often presented using computer monitors.
Poth, Christian H., Horstmann, Gernot
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