doi:10.21123/bsj.2013.10.3.749-757

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Publication Date

Sun Sep 01 2013

Journal Name

Baghdad Science Journal

Volume

10

Issue Number

3

DOI

10.21123/bsj.2013.10.3.749-757

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Synthesis of some heterocyclic derivatives of 1,8-Naphthyridine with a new substitution on the Naphthyridine ring

1

8- Naphthyridine

a new substitution

heterocyclic derivatives

Naphthyridine ring

Ala I.

Talat R.

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Abstract The Synthesis in good yields of some new 1,8-Naphthyridine derivatives (1-9) and characterized on the basis of IR and 1H NMR spectra data. The compounds (1) and (6) were utilized as a starting material for the preparing of these compounds.

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Publication Date

Sun Jan 02 2022

Journal Name

Journal Of The College Of Languages (jcl)

Song and motivation in language class: Chanson et motivation en classe de langue

The song in the classroom

motivation

teaching of French as a foreign language

chanson en classe

motivation

apprentissage de FLE.

Khaldoon Atta

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Songs are considered as an educational and a substantial dependable references used in teaching and learning, particularly the so - called foreign language learning that allows learners to adapt to the target language culture and to develop their language learning skills including: listening comprehension, reading comprehension, speaking and writing. Consequently, it can be said that the Francophone songs with the musical richness and resonance specifically facilities French language learning skills for all levels of education and achieve short and long terms predetermined educational language learning goals.

In fact, language learning through songs method does not only include the

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Publication Date

Tue Jan 01 2019

Journal Name

Sci.int.(lahore)

FILTER BASES AND SUPRA PERFECT FUNCTIONS

Filter base

Directed toward a set

Closure converges

Closure directed toward

Supra closure converge

Almost supra converges

Almost supra cluster

Supra compact function

Supra rigid subset

Supra perfect function

Y. Y.

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We introduce some new generalizations of some definitions which are, supra closure converge to a point, supra closure directed toward a set, almost supra converges to a set, almost supra cluster point, a set supra H-closed relative, supra closure continuous functions, supra weakly continuous functions, supra compact functions, supra rigid a set, almost supra closed functions and supra perfect functions. And we state and prove several results concerning it

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Publication Date

Mon Sep 16 2019

Journal Name

Ibn Al-haitham Journal For Pure And Applied Sciences

Filter Bases and j-Ï‰-Perfect Mappings

: Filter base

j-Ï‰-closure converge

almost j-Ï‰-converges

almost j-Ï‰-cluster

j-Ï‰-rigid a set

j-Ï‰-perfect mappings. Math Subject Classification 2010: 54C05

54C08

54C10.

G.

Y. Y.

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This paper consist some new generalizations of some definitions such: j-Ï‰-closure converge to a point, j-Ï‰-closure directed toward a set, almost j-Ï‰-converges to a set, almost j-Ï‰-cluster point, a set j-Ï‰-H-closed relative, j-Ï‰-closure continuous mappings, j-Ï‰-weakly continuous mappings, j-Ï‰-compact mappings, j-Ï‰-rigid a set, almost j-Ï‰-closed mappings and j-Ï‰-perfect mappings. Also, we prove several results concerning it, where j ÃŽ{q, Î´,a, pre, b, b}.

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Publication Date

Sat Oct 01 2016

Journal Name

Journal Of Theoretical And Applied Information Technology

Factors affecting global virtual teams’ performance in software projects

Today the trend is to perform software development work via distributed geographical area among team

individual or even as an organization. However

due to the global market and international presence of many companies

there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space

time and organizational boundaries via information and communication technologies. A global virtual team relies on communication

collaboration

and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study

we investigated factors that affect global virtual teams’ performance

factors considered include cultural differences

language problems

time-zone differences

team size

technical problems

lack of trust

lack of sufficient training

and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand

Ali Yahya Gheni

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