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مرکز اطلاعات علمی SID1
مرکز اطلاعات علمی SID
اسکوپوس
مرکز اطلاعات علمی SID
ریسرچگیت
strs
Author(s): 

Journal: 

Neuroinformatics

Issue Info: 
  • Year: 

    2020
  • Volume: 

    18
  • Issue: 

    12
  • Pages: 

    1-24
Measures: 
  • Citations: 

    315
  • Views: 

    437
  • Downloads: 

    9195
Keywords: 
Abstract: 

Yearly Impact:

View 437

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Author(s): 

YARAHMADI ZAHRA

Issue Info: 
  • Year: 

    2010
  • Volume: 

    1
  • Issue: 

    2
  • Pages: 

    105-110
Measures: 
  • Citations: 

    0
  • Views: 

    184
  • Downloads: 

    20
Abstract: 

A topological index of a molecular graph G is a numeric quantity related to G which is invariant under symmetry properties of G. Let G be a molecular graph. The eccentric CONNECTIVITY index x(G) is defined as x(G)=åuÎV(G) deg(u) e (u), where deg (u) denotes the degree of vertex u in G and e (u) is the largest distance between u and any other vertex v of G. The augmented eccentric CONNECTIVITY index, Ax(G) is defined as Ax(G)=åuÎV(G) M(u)/e(u), where M (u) denotes the product of degrees of all neighbors of vertex u. In this paper, exact formulas for the eccentric CONNECTIVITY and augmented eccentric CONNECTIVITY indices of an infinite family of nanostar dendrimer are computed.

Yearly Impact:

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Issue Info: 
  • Year: 

    2016
  • Volume: 

    11
  • Issue: 

    1
  • Pages: 

    85-100
Measures: 
  • Citations: 

    455
  • Views: 

    7620
  • Downloads: 

    9450
Keywords: 
Abstract: 

Yearly Impact:

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گارگاه ها آموزشی
Author(s): 

MOAZZAMI D.

Issue Info: 
  • Year: 

    2003
  • Volume: 

    36
  • Issue: 

    4 (78)
  • Pages: 

    495-504
Measures: 
  • Citations: 

    0
  • Views: 

    131
  • Downloads: 

    52
Keywords: 
Abstract: 

For any fixed integers m, n, with m≥n+1, we consider classes of graphs, that are n-connected with the minimum number of edges. Gmn Graphs are examples of graphs with maximum CONNECTIVITY. This property makes them useful to network designers and thus it is of interest to study the behavior of other stability parameters for these graphs. In this paper we study the tenacity of the Gmn when "m" is even and "n" is odd number.

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Issue Info: 
  • Year: 

    2013
  • Volume: 

    4
  • Issue: 

    2
  • Pages: 

    265-270
Measures: 
  • Citations: 

    0
  • Views: 

    180
  • Downloads: 

    20
Abstract: 

Please click on PDF to view the abstract

Yearly Impact:

View 180

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Author(s): 

DIUDEA MIRCEA V.

Issue Info: 
  • Year: 

    2012
  • Volume: 

    3
  • Issue: 

    1
  • Pages: 

    35-43
Measures: 
  • Citations: 

    0
  • Views: 

    102
  • Downloads: 

    20
Abstract: 

Relative centricity RC values of vertices/atoms are calculated within the Distance Detour and Cluj-Distance criteria on their corresponding Shell transforms. The vertex RC distribution in a molecular graph gives atom equivalence classes, useful in interpretation of NMR spectra. Timed by vertex valences, RC provides a new index, called Centric CONNECTIVITY CC, which can be useful in the topological characterization of graphs and in QSAR/QSPR studies.

Yearly Impact:

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strs
Issue Info: 
  • Year: 

    2013
  • Volume: 

    0
  • Issue: 

    44
Measures: 
  • Views: 

    1365
  • Downloads: 

    0
Abstract: 

IN THIS PAPER, WE STUDY A GRAPH G WHICH SATISFIES (P1) CONDITION, (FORMULA) FOR ANY XYÏ E (G).WE SHOW THAT G IS Z3-CONNECTED OR CONTAINS K-4 AS A SUBGRAPH IF SATISFIES (P 1) CONDITION. FURTHER WE SHOW THAT IF VI IS A SET OF VERTICS WITH DEGREE I AND V2 IS NOT DEPENDENT SET OR G [V 2 ÈV 3] CONTAINS AN ODD CYCLE, THEN G IS NOT Z3-CONNECTED.

Yearly Impact:  

View 1365

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Issue Info: 
  • Year: 

    2012
  • Volume: 

    22
  • Issue: 

    1
  • Pages: 

    171-185
Measures: 
  • Citations: 

    0
  • Views: 

    94
  • Downloads: 

    23
Abstract: 

When the density current smashes into the lower dense fluid mass a plunge region will occur. Since the plunge depth bounds between density current and ambient fluid, determining of this point is important. In this research, the hydraulic parameters of density current and bed slope of stagnant fluid were investigated. To achieve the purpose of this research a physical model was built in the hydraulic laboratory of Shahid Chamran University (SCU) and various experiments were performed. In the experiments, the plunge depth at the different discharge of density current and density difference 6, 9, 13 and 16 kg/m3 at three slopes 8, 12 and 16% was measured. Then using Flow-3D under RNG turbulence model, plunge depth was simulated for the same experimental condition. The comparison of results obtained showed that the predicted plunge depth with Flow-3D under RNG turbulence model had a high and satisfactory accuracy. Finding showed that for the 8% bed slope, the results of RNG turbulence model 14% was more than experimental data. While, for the entire slope, the results of RNG turbulence model was predicted 10.5% in average more than measured data. Generally, the statistical investigations showed that the RNG turbulence model with satisfactory precision estimated the plunge point depth.

Yearly Impact:

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Issue Info: 
  • Year: 

    2019
  • Volume: 

    10
  • Issue: 

    37
  • Pages: 

    25-40
Measures: 
  • Citations: 

    0
  • Views: 

    514
  • Downloads: 

    361
Abstract: 

The spatial structure of cities depends on interactions and various factors, and these relations is a particular complexity and entanglement on a large urban scale. the main goal of this research Understanding the spatial structure of the metropolitan area of Tabriz by spatial layout or configuration. The research method is quantitative and descriptive-analytic. The study area is the Tabriz Metropolitan Research Center and the main axis analysis unit and 1st and 2nd grade arteries. The data used in the present study were collected by library and field method. The method of analyzing the data obtained using the space layout analysis technique and analysis of the principles of interconnection, connection and selection. Another aspect of the analysis is the consideration of the functional dimensions of space in the form of the dispersion of commercial and service users as well as the theory of natural motion. The results show that the association of the routes leading to the city center and especially the central bazaar of the city is 0. 85, more than other parts of the city, and this integration in the center of Imam Khomeini and the axes it has led to more of it. In terms of the principle of connecting and choosing, the two axes of Imam Khomeini (RA) and 22 Bahman are 21 and 1. 2 times higher.

Yearly Impact:

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Issue Info: 
  • Year: 

    2013
  • Volume: 

    0
  • Issue: 

    5
Measures: 
  • Views: 

    1785
  • Downloads: 

    0
Abstract: 

PLEASE CLICK ON PDF TO VIEW THE ABSTRACT.

Yearly Impact:  

View 1785

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