نتایج جستجو برای: 1 citation 2 discussion section 3 esp and egp articles 4 international and local writers
تعداد نتایج: 17858246 فیلتر نتایج به سال:
abstract this study investigated the predictability of variables from a motivational framework as well as individuals qualities to predict three non-linguistic outcomes of language learning. gardners socio-educational model with its measures has been used in the current study. individual qualities presented in this study include (1) age, (2) gender, and (3) language learning experience. the...
this study historically analyzes the scientific output of mathematics to describe its structure, notions and scientific origin using the historiographical method. the research data consisted of scientific outputs of mathematics in isi database, science citation index (sci) and social science citation index (ssci) during 8 years (1990 to 2007). the data collection tool was the search engine and ...
abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...
background and objectives:regarding the important role and position of journals in presentation of the most up-to-date scholarly information, the scientific and meticulous evaluation of such sources is very essential. te present research was carried out to determine the citation status in the articles of the journal of qom university of medical sciences. methods:this research, as a descriptive-...
in his last years of life americans had almost forgotton steinbeck, and those who had not, occasionally criticized him for supporting and praising the u. s. military intervention in the vietnam war. althought ateinbeck incorporates different themes into his works, each one bears many signs of his concern and sympathy for america and the american common people in particular. steinbecks to a god ...
using bibliographic records from the social science citation index, science citation index, and arts & humanities index, this paper tries to give a complete view of the characteristics of top ten iranian authors during 1990-2007 according to their authorship pattern. findings revealed that during 1990-2007 a total of 2650 articles were written by top ten iranian authors. findings showed that m....
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
adolescents and young adults and their problems is an issue whose importance is obvious to anyone because youth are the founders of our countrys future and requires proper planning to be on leisure. given the importance of leisure,this study to investigate needs assessment and planning how adolescents and young adults spend their leisure time in urban of case study of high school girls and boys...
در این کار پژوهش بیشتر سنتز ترکیبهای مختلف سه حلقه ای فنل با یک نوع هالوژن و هالوژنهای مختلف و کندن برم از آنها موردنظر است و مشتقهای مختلف از این نوع ترکیبات که در زیر شرح داده شده است سنتز گردیده است . علاوه براین از روشهای سنتزی برای تائید ساختمان ترکیبهای سه حلقه ای استفاده شده است . همچنین سنتز این ترکیبها امکان میدهد که خواص بیولوژیکی و شیمیائی آنها با ترکیبات مشابه دوحلقه ای و چهارحلقه ا...
Background and Aims: Dentistry is an important profession ensuring the health of body and soul, and has a special place in the scientific productions of medical disciplines. The purpose of this study was to analyze the co-citation and word co-occurrence of Iranian research papers in the field of dentistry based on indexed documents in Web of Science from 2014 to 2018. Materials and Methods:...
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