نتایج جستجو برای: partial angle stack
تعداد نتایج: 374891 فیلتر نتایج به سال:
We study sorting machines consisting of a stack and a pop stack in series, with or without a queue between them. While there are, a priori, four such machines, only two are essentially different: a pop stack followed directly by a stack, and a pop stack followed by a queue and then by a stack. In the former case, we obtain complete answers for the basis and enumeration of the sortable permutati...
statement of problem: the connector area is the weakest zone of an all-ceramic fixed partial denture (fpd), where most catastrophic failures of the prostheses tend to occur. purpose: the aim of the present study was to assess the effect of the convergence angle of abutments on the fracture resistance of three-unit fixed partial dentures made of ips-empress2. materials and methods: forty extract...
Choosing the accuracy of program analyses is a crucial issue when designing and developing a partial evaluator capable of treating realistic programs, and in particular legacy software. In this paper, we investigate the degree of accuracy of alias and binding-time analyses that is required to successfully exploit the specialization opportunities present in the Sun commercial implementation of t...
A simple design of one dimensional gradual stacked photonic crystal has been proposed. This structure exhibits a periodic array of alternate layers of Graphene and Silica. These are the materials of low and high refractive indices respectively. Here the structure considered has three stacks .Each stack has five alternate layers of Graphene and silica. The transfer matrix method has been used fo...
In the title compound, C(12)H(10)N(2)O(3)S, the dihedral angle between the benzene and thio-phene rings is 43.17 (4)°. The crystal structure is devoid of any hydrogen-bonding inter-actions. However, π-π inter-actions between the benzene and thio-phene rings [distance between ring centroids = 3.6850 (11) Å] stack the mol-ecules along the a axis. The absolute structure could not be determined as ...
Angle-resolved photoemission and x-ray diffraction experiments show that multilayer epitaxial graphene grown on the SiC(0001) surface is a new form of carbon that is composed of effectively isolated graphene sheets. The unique rotational stacking of these films causes adjacent graphene layers to electronically decouple leading to a set of nearly independent linearly dispersing bands (Dirac cone...
[(2R,3S,6S)-3-Acetyloxy-6-(1-phenyl-1H-1,2,3-triazol-4-yl)-3,6-dihydro-2H-pyran-2-yl]methyl acetate
In the title compound, C(18)H(19)N(3)O(5), the 3,6-dihydro-2H-pyran ring adopts a half-chair, distorted towards a half-boat, conformation with Q(T) = 0.5276(14) Å. The benzene ring is twisted out of the place of the triazole ring [dihedral angle = 23.54 (8)°]. In the crystal, supra-molecular layers in the ac plane are formed through C-H⋯O and C-H⋯π(triazole) inter-actions. These stack along the...
In the title compound, C18H17ClO2S, the dihedral angle between the mean planes of the benzo-furan ring system and the methyl-phenyl ring is 14.50 (4)°. The centroid-centroid distances between the benzene and the methyl-phenyl rings are 3.827 (2) and 3.741 (2) Å, while the centroid-centroid distance between the furan and methyl-phenyl rings is 3.843 (2) Å. These distances indicate π-π inter-acti...
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