@article { author = {Abd El-Salam, F. A.}, title = {Fractional lie series and transforms as canonical mappings Dr. Abd El-Salam}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {199-210}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1595}, abstract = {Using the Riemann-Liouville fractional differintegral operator, the Lie theory is reformulated. The fractional Poisson bracket over the fractional phase space as 3N state vector is defined to be the fractional Lie derivative. Its properties are outlined and proved. A theorem for the canonicity of the transformation using the exponential operator is proved. The conservation of its generator is proved in a corollary. A Theorem for the inverse fractional canonical mapping is proved. The composite mappings of two successive transformations is defined. The fractional Lie operator and its properties are introduced. Some useful lemmas on this operator are proved. Lie transform depending on a parameter over the fractional phase space is presented and its relations are proved. Two theorems that proved the transformation  = EW Z is completely canonical and is a solution of the Hamiltonian system (30) are given. Recurrence relations are obtained.    }, keywords = {Lie series and transform,fractional Poisson bracket,Hamiltonian systems}, url = {https://ijsts.shirazu.ac.ir/article_1595.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1595_81bd26c3967e9204c061abdfa89f08a1.pdf} } @article { author = {Farnoosh, R. and Nabati, P.}, title = {A stochastic perspective to random ship heave motion based on different noises}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {211-217}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1596}, abstract = {The stochastic models for ship heave motion in irregular sea waves based on white and colored noises are examined. For this purpose the deterministic model transfers to stochastic models by adding different noise terms in force and then these models are solved analytically and numerically. Finally an investigation is undertaken to examine the parameter estimation problem of second order stochastic differential equations when some of the measurements are unavailable or missing data. Several simulation results are presented to illustrate the performance of the estimators.}, keywords = {Colored noise,least square estimation,ship heave motion,stochastic differential equations,white noise}, url = {https://ijsts.shirazu.ac.ir/article_1596.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1596_86807fca2b8e79ad581519d65795e2a9.pdf} } @article { author = {Maiti, R. and Gangopadhyay, S. and Basu, U.}, title = {Water wave scattering by a surface discontinuity over a uniform porous bottom}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {219-225}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1597}, abstract = {Scattering of an incoming wave train by a discontinuity at the upper surface of the ocean over a uniform porous bottom of finite depth is considered here in the framework of linearized water wave theory. By employing residue calculus method, the reflection and transmission coefficient are obtained. These coefficients are computed numerically for different values of the porosity parameter G and these results are displayed in a number of Figs.}, keywords = {Wave scattering,surface discontinuity,porous bottom,energy identity,residue calculus method,reflection and transmission coefficient}, url = {https://ijsts.shirazu.ac.ir/article_1597.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1597_1ba86149e7cb9046524d3dbfbc4e5026.pdf} } @article { author = {Hosseini Giv, H. and Radjabalipour, M.}, title = {On the structure and properties of lower bounded analytic frames}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {227-230}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1598}, abstract = {Algebraic frames are generalizations of Fourier transforms on locally compact abelian groups in the sense that the family of vectors forming the frame are replaced by a family of unbounded linear functionals. The paper studies the indexing measure space of the algebraic frames; as the investigation narrows down to the class of lower semiframes, more relations are revealed between the discreteness and the redundancy of the frame family.}, keywords = {Analysis operator,generalized frame,lower semi-frame,redundancy,discreteness,algebraic frames}, url = {https://ijsts.shirazu.ac.ir/article_1598.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1598_0e761b5aa271cf205b23077e8d388fe9.pdf} } @article { author = {Tul, S. and Sarioglugil, A.}, title = {Legendre curves in 3-dimensional Heisenberg group}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {231-236}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1600}, abstract = {In this study, we focused on   􀰒 􀬶     - Legendre curves and non-       - Legendre curves in 3-dimensional Heisenberg group   􀜫􀜰 􀬷 . Also, we gave some characterizations of these curves.  }, keywords = {Heisenberg group,Sasakian manifold,Legendre curve}, url = {https://ijsts.shirazu.ac.ir/article_1600.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1600_ad7ebb01f8f3ab17e119343c4c55771a.pdf} } @article { author = {Khan, A. and Sarmin, N. H. and Khan, F. M. and Davvaz, B.}, title = {A study of fuzzy soft interior ideals of ordered semigroups}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {237-249}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1601}, abstract = {In this paper, we present the concepts of a fuzzy soft left (right) ideal and fuzzy soft interior ideal over an ordered semigroup S . Some basic results of fuzzy soft left (right) ideals and fuzzy soft interior ideals are investigated and the supported examples are provided. Different classes, regular, intra-regular, and simple ordered semigroups are   characterized by means of fuzzy soft left (right) ideals and fuzzy soft interior ideals. It is shown that an ordered   semigroup is simple if and only if it is fuzzy soft simple. Furthermore, left (right) regular and intra-regular ordered   semigroups are characterized by means of fuzzy soft left (right) ideals and fuzzy soft ideals.    }, keywords = {Ordered semigroups,regular (left, right and completely regular) ordered semigroups,fuzzy left (right) ideals,fuzzy interior ideals,soft left (right) ideals,soft interior ideals,fuzzy soft left (right) ideals,fuzzy soft interior ideals}, url = {https://ijsts.shirazu.ac.ir/article_1601.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1601_37b7229160995de26d9f078832ada5a0.pdf} } @article { author = {Ostadhadi-Dehkordi, S. and Davvaz, B.}, title = {Ideal theory in  -semihyperrings}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {251-263}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1602}, abstract = {The concept of  -semihyperring is a generalization of semiring, a generalization of semihyperring and a generalization of      -semiring. Since the theory of ideals plays an important role in the theory of  - semihyperring, in this paper, we will make an intensive study of the notions of Noetherian, Artinian, simple and   regular      -semihyperrings. The bulk of this paper is devoted to stating and proving analogues to several theorems in the theory of      -semihyperrings.  }, keywords = {Semihyperring,Γ-semihyperring,Γ-hyperring,simple Γ-semihyperring,regular Γ-hyperring}, url = {https://ijsts.shirazu.ac.ir/article_1602.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1602_3ffa866410f4767ad7570a357da3075a.pdf} } @article { author = {Mahmood, T.}, title = {Hemirings characterized by the properties of their  ,  k  q -fuzzy ideals}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {265-275}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1603}, abstract = {In this paper we define ( , ) k  q -fuzzy h -sub hemirings, ( , ) k  q -fuzzy h -ideals, ( , ) k  q - fuzzy     h -bi-ideals and ( , ) k  q -fuzzy h -quasi-ideals. We characterize h -hemiregular and h -intrahemiregular hemirings by the properties of their     ( , ) k  q -fuzzy h -ideals, ( , ) k  q -fuzzy h -bi-ideals and     ( , ) k  q -fuzzy h -quasi-ideals.  }, keywords = {( , ) k  q -fuzzy h -sub hemirings,( , ) k  q -fuzzy h -ideals,( , ) k  q -fuzzy h -bi-ideals,( , ) k  q -fuzzy h -quasi-ideals,h -hemiregular hemirings,h -intra-hemiregular hemirings}, url = {https://ijsts.shirazu.ac.ir/article_1603.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1603_8d734e247f48837eb06de82c96d4f12a.pdf} } @article { author = {Esmaeilpour, E. and Sardarian, A. Z.}, title = {4-Dodecylbenzenesulfonic acid (DBSA): an efficient, eco-friendly and chemoselective catalyst for the synthesis of 1, 1- diacetates under solvent-free conditions at room temperature}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {277-284}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1604}, abstract = {4-Dodecylbenzenesulfonic acid (DBSA) has been shown to be an efficient, mild, green, stable and chemoselective Brønsted acid catalyst for the synthesis of 1, 1-diacetates (acylals) of aldehydes under solvent-free conditions. The mild condition, eco-friendly, excellent yields, short reaction times and using an easily available, inexpensive and reusable catalyst are important features of this method.}, keywords = {4-Dodecylbenzenesulfonic acid,Solvent-free,Chemoselective,1,1-Diacetates,Aldehydes,Acetic anhydride}, url = {https://ijsts.shirazu.ac.ir/article_1604.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1604_0d28dd1172c9cf7951f89cbc4091c954.pdf} } @article { author = {Shahmansouri, M.}, title = {Dissipative dust acoustic solitary waves in an electron depleted dusty plasma with superthermal ions}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {285-291}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1605}, abstract = {Dust acoustic (DA) solitary waves are investigated in an unmagnetized dusty plasma comprising of fluid warm dust particles and kappa distributed ions. We assume the electron number density to be sufficiently depleted in this fluid model, i.e., ne  nd . We consider the usual ad hoc damping term, involving the damping rate  due to the dust–neutral collisions; and derived the modified dispersion relation of DA waves. It is found that there is a   critical wave number, which should have     k  kcrit , otherwise overdamping occurs. The critical value of the wave number increases with      , while it decreases with . Also, a modified Korteweg-de-Vries (mKdV) equation was derived for description of DA solitary wave. We found that the amplitude, width and velocity of DA solitary   waves are modified in the presence of damping term. As the amplitude and velocity of solitary DA wave decreases   with      , the width of soliton spreads. Also, it is found that the polarity of soliton changes from positive to negative at special value of      .  }, keywords = {Dust acoustic wave,Nonlinear wave,Kappa distribution,Standard reductive perturbation method}, url = {https://ijsts.shirazu.ac.ir/article_1605.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1605_5f1132e6ce2cb4c75096e3ab2024134e.pdf} } @article { author = {Ramya, M. and Ganesan, S.}, title = {Influence of thickness and temperature on the properties of Cu2S thin films}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {293-300}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1606}, abstract = {Copper Sulphide (Cu 2 S) thin films at different thicknesses and annealing temperatures were deposited onto glass substrate by vacuum evaporation method. XRD study reveals the phase transformation of Cu     2 S film at higher thickness. Optical and resistivity study show the phase transformation of the film from Cu     2 S to CuS when they are annealed at higher temperature. SEM study exhibits the disappearance of large size particles of annealed film.   Stability of the film is controlled when the films are prepared at higher thickness. Optical band gap and activation   energy for different thickness and various annealing temperatures of Cu     2 S thin film were calculated and the values are reported. Photocurrent enhances with film thickness and heat treatment.    }, keywords = {Vacuum evaporation,annealing temperature,phase transformation,optical properties,resistivity properties and photocurrent}, url = {https://ijsts.shirazu.ac.ir/article_1606.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1606_1372f95923d9be957d7484504b361e19.pdf} } @article { author = {Heydari, M. and Poorbabaei, H. and Hatami, K. and Salehi, A. and Begim Faghir, M.}, title = {Floristic study of Dalab woodlands, north-east of Ilam province, west Iran}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {301-308}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1607}, abstract = {The present survey deals with the floristic study of Dalab Woodlands, located in Manesht and Ghelarang protected area, western Iran. It covers an area of 4335 ha. In total, 224 vascular plant species belonging to 46 families and 156 genera were identified. The largest families are Asteraceae (29 species), Fabaceae (23 species), Poaceae (22 species), and Apiaceae (18 species). Astragalus (13 species), Centaurea (9 species), Onosma (6 species), Bromus   (5 species) and Amygdalus (3 species) are the most diverse genera of the region. The life form spectrum includes: hemichryptophytes (36.6 %), therophytes (33 %), cryptophytes (13.8 %), chamaephytes (8.9 %) and   phanerophytes (7.6 %). From the chorological point of view, the largest proportion of the flora belongs to the   Irano-Turanian (68.7 %) elements. About 22.32 % of the Dalab Woodlands species are endemic to Iran and six   rare species including     Alrawia bellii, Arum giganteum, Cousinia cylindracea, Echinops kotschyi, Thymbra spicata   and Zeugandra iranica are also identified in this region.  }, keywords = {Flora,plant species,life form,Dalab woodlands,Ilam}, url = {https://ijsts.shirazu.ac.ir/article_1607.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1607_a55e00673e2e2779c4cd8ffd513a81d3.pdf} } @article { author = {Bora, P. and Yadav, H. S.}, title = {In-situ Synthesis of Oxovanadium(IV) complexes with ligands derived by condensation of Benzil with Amino acids}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {309-312}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1608}, abstract = {The in-situ method of synthesis has been used to isolate oxovanadium(IV) complexes with ligands derived by reaction of benzil with amino acids such as glycine, alanine, serine, cysteine and valine, where template effect of VO +2 cation appears to play an important role. The complexes are characterised by elemental analysis, magnetic moment measurements and spectral (infrared, electronic and electron spin resonance) data. The oxovanadium (IV)   complexes are five coordinate, having tetradentate ligand derived from benzil being precursor molecule. The   antifungal activities of isolated vanadyl complexes are tested against the fungi     Aspergillus flavus and Candida glaberata.    }, keywords = {Oxovanadium(IV),benzyl,aminoacid,template effect}, url = {https://ijsts.shirazu.ac.ir/article_1608.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1608_ad77b3e09ff3326328bff578302dab3c.pdf} } @article { author = {Amin, M. and Nasr, G. M. and El-Shokrofy, K. M. and Mansour, Sh. A.}, title = {Study of the Thermally Stimulated Depolarization Current (TSDC) for composites of Acrylonitrile Butadiene Rubber (NBR) loaded with HAF}, journal = {Iranian Journal of Science}, volume = {37}, number = {3}, pages = {313-318}, year = {2013}, publisher = {Springer}, issn = {2731-8095}, eissn = {2731-8109}, doi = {10.22099/ijsts.2013.1609}, abstract = {The thermally stimulated discharge (TSDC) current is studied for acrylonitrile butadiene rubber (NBR) loaded with different high abrasion furnace carbon black (HAF). TSDC peak appears only for higher HAF contents > 60phr (70 and 80phr of HAF contents), the TSDC spectra consist of a sharp peak corresponding to a peak temperature Tm which is slightly shifted to higher temperature for 70phr loaded NBR samples and to lower temperature for 80phr loaded NBR sample, with poling field (10V/cm to 50V/cm). The activation energy     U and relaxation time      for TSDC peak were calculated using the initial rise method. The calculated values of U are nearly constant for sample 70phr and slightly increase for sample 80phr with increasing poling field     Ep . The calculated values of      at peak temperature Tm are nearly constant for two samples (70phr & 80phr) with different poling field, whereas the calculated values of relaxation time      at To = 300K increased with increase of poling field.    }, keywords = {Conductive elastomers TSDC,acrylonitrile butadiene rubber (NBR),HAF}, url = {https://ijsts.shirazu.ac.ir/article_1609.html}, eprint = {https://ijsts.shirazu.ac.ir/article_1609_81b3be48f784ea14fb8bfb16fe51bf02.pdf} }