نتایج جستجو برای: cyclic cumulenes

تعداد نتایج: 98374  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1379

‏‎for the first time nakayama introduced qf-ring. in 1967 carl. faith and elbert a. walker showed that r is qf-ring if and only if each injective right r-module is projective if and only if each injective left r-modules is projective. in 1987 s.k.jain and s.r.lopez-permouth proved that every ring homomorphic images of r has the property that each cyclic s-module is essentialy embeddable in dire...

Journal: :iranian journal of fuzzy systems 2013
yong-hong shen dong qiu wei chen

in this paper, the notion of cyclic $varphi$-contraction in fuzzymetric spaces is introduced and a fixed point theorem for this typeof mapping is established. meantime, an example is provided toillustrate this theorem. the main result shows that a self-mappingon a g-complete fuzzy metric space has a unique fixed point if itsatisfies the cyclic $varphi$-contraction. afterwards, some results inco...

Journal: :iranian journal of science and technology (sciences) 2010
d. saglam

in this paper, we study cyclic surfaces in 5 1 e generated by homothetic motions of a lorentziancircle. the properties of these cyclic surfaces up to first order are investigated. we show that, as it is shown ine5 , cyclic 2-surfaces in 5 1 e , in general, are contained in canal hypersurfaces. finally, we give an example.

Journal: :Astronomy and Astrophysics 2021

We report the first detection in space of cumulene carbon chain $l$-H$_2$C$_5$. A total eleven rotational transitions, with $J_{up}$ = 7-10 and $K_a$ 0 1, were detected TMC-1 31.0-50.4 GHz range using Yebes 40m radio telescope. derive a column density (1.8$\pm$0.5)$\times$10$^{10}$ cm$^{-2}$. In addition, we observations other carbenes previously TMC-1, to compare their abundances newly carbene...

Journal: :international journal of civil engineering 0
h. salehzadeh d.c. procter c.m. merrifield

carbonate materials are mostly found in tropical areas, where exploiting gas and oil resources are of high concern. their unique behavior under shear loading first was recognised during oil resources investigations in the persian gulf. off-shore structures have been placed on carbonate soils which are highly crushable.during storms cyclic loading imposes on the bases of structures lied down on ...

Journal: :international journal of civil engineering 0
m. reza esfahani

in this paper, the effect of cyclic loading on punching strength of flat slabs strengthened with carbon fiber reinforced polymer (cfrp) sheets is studied. experimental results of ten slab specimens under monotonic and cyclic loading are analyzed. eight specimens were strengthened with cfrp sheets on the tensile face of the slabs and the two other specimens were kept un-strengthened as control s...

Journal: :journal of physical & theoretical chemistry 2007
m. arvand a. islamnezhad m.a. zanjanchi

12-molybdophosphoric acid (pmo12) was encaged into hmor zeolite by “ship in a bottle”method in aqueous phase which is strongly retained and not easily leached from the host channels.the solid was characterized by xrd prior to using it for the electrode preparation. this compoundwas incorporated with a carbon paste electrode for cyclic voltammetric measurements. pmo12immobilized on the support u...

Journal: :modares journal of medical sciences: pathobiology 2010
javad hatami mohsen janmaleki mohammad tafazoli-shadpour mohammad ali shokrgozar nooshin haghighipour

objective: endothelium is a selective and permeable membrane for transferring nutrients and vital components to arterial wall. endothelial damage might lead to altered biological function of endothelium and clinical consequences such as atherosclerosis. blood pressure pulse always exerts circumferential tension to the arterial wall. hence, such tension together with other loads, play important ...

Journal: :journal of advances in computer research 2013
mahdi imanparast hamid darabi

fuzzy groups and fuzzy theory have a lot of applications in several sciencessuch as mathematics, computer science, computer and electrical engineering.hence, counting the number of fuzzy subgroups of finite groups to classify them isan important issue in fuzzy theory. the main goal of this paper is to give an explicitformula for the number of fuzzy subgroups of a finite cyclic groupg z p1 z p 2...

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