نتایج جستجو برای: compound matrices
تعداد نتایج: 202627 فیلتر نتایج به سال:
Siffness matrices for axial and bending deformations of a beam having a rectangular cross sectional area of constant width and linearly varying thickness are developed. A consistant load vector for a uniformly distributed lateral load is also calculated, using the principal of potential energy. The matrices are used to obtain numerical results for a variety of beams with non-uniform thickness t...
Let = be a non-negative matrix. Denote by the supremum of those , satisfying the following inequality: where , , and also is increasing, non-negative sequence of real numbers. If we used instead of The purpose of this paper is to establish a Hardy type formula for , where is Hausdorff matrix and A similar result is also established for where In particular, we apply o...
in this paper, the type-{rm ii} matrices on (negative) latin square graphs are considered and it is proved that, under certain conditions, the nomura algebras of such type-{rm ii} matrices are trivial. in addition, we construct type-{rm ii} matrices on doubly regular tournaments and show that the nomura algebras of such matrices are also trivial.
a substantial amount of evidence has proposed an important role for cyclooxygenase-2 (cox-2) enzyme in brain diseases and affiliate disorders. the purpose of this research was studying the effects of cox-2 selective inhibition on haloperidol-induced catatonia in an animal model of drug overdose and parkinson’s disease (pd). in this study, the effect of acute and sub-chronic oral administration ...
a preliminary trial of the mass-treatment of urinary bilharziasis with an organo-phosphorus compound
in the course of an evaluation of various schistosomicidal drugs in iran, the effect of an organo-phosphorus compound in the-treatment of 45 mild cases of urinary bilhariziasis was assessed and the drug was given in 3 doses of 10 mg/kg body weight each with 3-week intervals. follow-up examinations undertaken 3 weeks after the 1st, 2nd and 3rd doses as well as 3 months after completion of therap...
nano silica-h2so4 is an efficient and mild catalysis system for the regeneration of aldehyde from aldoximes. ketoximes are converted to amides by beckmann rearrangement in the presence of nano silica-h2so4. the reactions are carried out in solvent-free conditions under microwave irradiation (600 w) within 50-120 sec in good yields.
cyanobacteria are well known for their production of a multitude of highly toxic substances . the genus stigomena is regarded as good candidates for producing biologically active secondary metabolites, which are highly toxic to humans and other animals. the carcass of a dog was found at the shore of lake ali-abad, iran. biomass from the discovery site appeared to be of cyanobacterial nature. we...
let $cr_n(f_p)$ denote the algebra of $n times n$ circulant matrices over $f_p$, the finite field of order $p$ a prime. the order of the unit groups $mathcal{u}(cr_3(f_p))$, $mathcal{u}(cr_4(f_p))$ and $mathcal{u}(cr_5(f_p))$ of algebras of circulant matrices over $f_p$ are computed.
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید