منابع مشابه
V olume 3 , N umber 4 A pril 2009
It is with great pleasure that I return as guest editor of The Reasoner; my thanks to Jon Williamson and Federica Russo for the invitation. Dr. Keith Devlin kindly agreed to be this month’s interviewee. Dr. Keith Devlin is a Senior Researcher at CSLI and its Executive Director, a Consulting Professor in the Department of Mathematics, and a co-founder of the Stanford Media X research network and...
متن کاملNEG V Stage 2 : NEG N ( NEG ) Stage 3 : NEG V NEG Stage 4 : ( NEG )
The paper deals with the verb embracing double negation found in both Chamic and Bahnaric languages and with the question how it developed. We propose both an internal and external explanation. The former relates to what is called a ‘Jespersen Cycle’, a hypothesis about the renewal of single negation out of double negation, itself developing out of another single negation. The latter is languag...
متن کامل$n$-cocoherent rings, $n$-cosemihereditary rings and $n$-V-rings
Let $R$ be a ring, and let $n, d$ be non-negative integers. A right $R$-module $M$ is called $(n, d)$-projective if $Ext^{d+1}_R(M, A)=0$ for every $n$-copresented right $R$-module $A$. $R$ is called right $n$-cocoherent if every $n$-copresented right $R$-module is $(n+1)$-coprese-nted, it is called a right co-$(n,d)$-ring if every right $R$-module is $(n, d)$-projective. $R$...
متن کامل[N′-(3-Ethoxy-2-oxidobenzylidene-κO 2)-4-methylbenzohydrazidato-κ2 O,N′](methanolato-κO)oxidovanadium(V)
The title oxidovanadium(V) complex, [V(C(17)H(16)N(2)O(3))(CH(3)O)O], was obtained by the reaction of 3-eth-oxy-2-hy-droxy-benzaldehyde, 4-methyl-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is coordinated by the O,N,O'-tridentate Schiff base ligand, one methano-late O atom and one oxide O atom, forming a distorted VO(4)N square-pyramidal coordination geometry. The oxide O atom...
متن کامل(Methanolato-κO)[N′-(3-methoxy-2-oxidobenzylidene-κO 2)-4-nitrobenzohydrazidato-κ2 N′,O]oxidovanadium(V)
The title oxidovanadium(V) complex, [V(C(15)H(11)N(3)O(5))(CH(3)O)O], was obtained by the reaction of 2-hy-droxy-3-meth-oxy-benzaldehyde, 4-nitro-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is five-coordinated by the two O and one N donor atoms of the Schiff base ligand, one methano-late O atom and one oxido O atom, forming a distorted square-pyramidal geometry.
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ژورنال
عنوان ژورنال: Jornal de Ciências da Saúde do Hospital Universitário da Universidade Federal do Piauí
سال: 2022
ISSN: ['2595-0290']
DOI: https://doi.org/10.26694/jcshuufpi.v4i3.2824