Results 1 to 10 of about 12,777,091 (283)
Dimethyl 3,3′-[(4-nitrophenyl)methylene]bis(1H-indole-2-carboxylate) ethanol hemisolvate
IUCrData, 2021 There are two main molecules in asymmetric unit of the title compound, C27H21N3O6·0.5C2H5OH. In both, the indole ring systems are approximately perpendicular to each other, at dihedral angles of 69.3 (5) and 82.8(4)°. In the crystal, molecules are linked
Yu-Long Li +6 more
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7,8-Dimethyl-11H-indeno[1,2-b]quinoxalin-11-one
IUCrData, 2021 In the title compound, C17H12N2O, the mean planes of the indene ring and quinoxaline system (r.m.s. deviations = 0.0131 and 0.0082 Å) are approximately parallel to one another, making a dihedral angle of 1.2 (5)°.
Lin Chen, Jin Hu, Hong-Shun Sun
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Evidence-based nutritional guidelines: What is meant by trustworthy recommendations
Mètode Science Studies Journal: Annual Review, 2021 The article aims to describe the characteristics of trustworthy recommendations as well as standards for trustworthy guidelines published by the Institute of Medicine and tools that can be used for quality assessment.
Joanna Zając +2 more
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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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Diethyl 3,3′-[(3-fluorophenyl)methylene]bis(1H-indole-2-carboxylate)
IUCrData, 2020 In the title compound, C29H25FN2O4, the mean planes of the indole ring systems are approximately perpendicular to one another [dihedral angle = 88.3 (4)°]. The benzene ring is twisted with respect to the indole ring systems by 49.8 (5) and 77.6 (3)°.
Hong Jiang +7 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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Predicting individual contrast sensitivity functions from acuity and letter contrast sensitivity measurements. [PDF]
, 2016 Contrast sensitivity (CS) is widely used as a measure of visual function in both basic research and clinical evaluation. There is conflicting evidence on the extent to which measuring the full contrast sensitivity function (CSF) offers more functionally ...
Davey, Pinakin Gunvant +4 more
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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