Results 121 to 130 of about 3,126 (152)

Jacobson Radical Isomorphism Theorems for Mixed Modules Part One: Determining the Torsion

Communications in Algebra, 2009
Let R be a complete discrete valuation domain. A class of R-modules satisfies an isomorphism theorem if modules in that class are determined by their endomorphism rings. Do there exist classes of mixed R-modules for which the Jacobson radical of the endomorphism ring determines the structure of the modules?
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Two-component systems of isomorphous orientationally disordered crystals. Part 1 Packing of the mixed crystals

Journal of Materials Chemistry, 1999
Five experimental two-component phase diagrams between orientationally disordered crystals (ODICs) have been established from the low-temperature phase to the liquid state using thermal analysis and X-ray powder diffraction techniques. The high-temperature orientationally disordered phases for the pure components, which belong to the series (CH 3 )
Josep Salud, David O. López, Maria Barrio, Josep Ll. Tamarit   +3 more
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The chemistry of uranium. Part 23. Isomorphous tetrachlorobis(hexamethylphosphoramide)uranium(IV) and tetrabromobis(hexamethylphosphoramide)uranium(IV)

Inorganica Chimica Acta, 1978
Abstract The structures of UCl4·2hmpa and UBr4·2hmpa have been determined by Fourier methods from single-crystal X-ray diffraction data Full-matrix least-squares refinement yielded final conventional R factors of 0.062 and 0.059 respectively. The complexes are isomorphout and crystallise in the space group P21/n with a = 14.141(5), b = 10.530(5), c =
J.G.H. du Preez, B.J. Gellatly, G. Jackson, L.R. Nassimbeni, A.L. Rodgers   +4 more
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Applications of Groups and Isomorphic Groups to Topics in the Standard Curriculum, Grades 9-11: Part II

The Mathematics Teacher, 1975
It is possible to form a set in an infinite additive group by beginning with any nonzero real a and adding it to itself over and over again, then including zero and the opposites of all numbers in the set. We call such a set the set of integral multiples of a. If a = 3, then here is such a set.
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Type fuzzy quantifiers determined by fuzzy measures defined on residuated lattices. Part II. Permutation and isomorphism invariances

Fuzzy Sets and Systems, 2014
Abstract We study the properties of permutation invariance and isomorphism invariance of fuzzy quantifiers of type 〈 1 , 1 〉 defined using fuzzy measures and integrals. These properties hold if fuzzy quantifiers are invariant with respect to permutations (bijective mappings) on the universe of discourse (permutation invariance) and with ...
Antonín Dvorák, Michal Holcapek
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ChemInform Abstract: Liquid‐Crystalline Alicyclic Compounds. Part 3. Synthesis and Isomorphism of Ethers and Esters Containing the Phenylcyclohexane Fragment.

ChemInform, 1993
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
L. A. KARAMYSHEVA, S. I. TORGOVA, I. F. AGAFONOVA, R. KH. GEIVANDOV, V. V. BYKOVA, P. A. BURYLIN   +5 more
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Some Implications of the Pitch Class/Order Number Isomorphism Inherent in the Twelve-Tone System: Part One

Perspectives of New Music, 1988
TN "TWELVE-TONE INVARIANTS as Compositional Determinants" Milton Babbitt described the twelve-tone system in terms of operations upon pairings of the twelve pitch classes with twelve order numbers.1 In doing so he provided a basis for studying the twelve-tone system that has far-reaching implications.2 Viewing the twelve-tone system from the basis of ...
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Part I. The synthesis of potential antimaterials. Some 2-substituted 8-(3-diethylaminopropylaminol)-quinolines. Part II. Isomorphism in relation to serological specificity. Part III. A study of the Hammick reaction

1947
No Abstract Submitted.
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Isomorphous Substitution of Si in Zeolite Single Crystals. Part II. On The Boron Distribution and Coordination In [B]-ZSM-5

1989
FTIR microscope measurements in the transmission mode on single crystal sheets of [B]-ZSM-5 have been used to study the lattice boron distribution and coordination in the crystals. The infrared scans indicate that a homogeneous boron distribution is present in the [B]-ZSM-5 crystals, which contained 0–4 B/uc.
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isomorphic relationships between crystalline-liquid phases: part 4

2004
Horst Sackmann, Heinrich Arnold
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