نتایج جستجو برای: keywords research output
تعداد نتایج: 3152029 فیلتر نتایج به سال:
Purpose: This study investigates the automatic keyword extraction from the table of contents of Persian e-books in the field of science using LDA topic modeling, evaluating their similarity with golden standard, and users' viewpoints of the model keywords. Methodology: This is a mixed text-mining research in which LDA topic modeling is used to extract keywords from the table of contents of sci...
چکیده هدف اصلی این پژوهش تعیین رابطه استراتژیهای خود رهبری و خلاقیت اعضای هیات علمی دانشگاه علم و صنعت بوده است. در این پژوهش از روش توصیفی از نوع همبستگی استفاده شده است. جامعه آماری پژوهش کلیه اعضای هیات علمی دانشگاه علم و صنعت در سال تحصیلی 88-1387 بود که بالغ بر345 نفربودندو از این تعداد، 119 نفر استاد با استفاده از روش نمونه گیری تصادفی طبقه ای متناسب با حجم انتخاب شد. ابزار جمع آوری داده...
background: the four pillars of ethics are human dignity, beneficence, non-malfeasance and justice. among the application of ethics in medical research we can look at all of any of these principles specially. in the other hand, in iran there is a long history in the field of medical science and medical ethics from earlier muslim scholars to islamic flourishing period. in this study we aimed to ...
BACKGROUND This study aimed to describe current trends and areas of future research using a bibliometric evaluation of the publication output associated with research on obstructive sleep apnea (OSA) during the 16-year period of 1991-2006. METHODS Data encompassing the period from 1991 to 2006 were extracted from the Science Citation Index online version. We analyzed selected documents with "...
Natural gas plays a key role in Iran’s economy and using its shadow price in allocating it to different sectors can lead to optimal use of this resource. This study uses a non-linear input-output model to estimate the shadow price of natural gas in different economic sectors in Iran. The study uses values of the input-output table constructed by the Statistics Center of Iran for the year 2011. ...
Herein, we report a patient with arterio-venous fistula secondary to mycotic aneurysm, causing high output heart failure. The patient had one-year history of refractory heart failure and recurrent pulmonary edema. This presentation is a good example of curative surgically treatable cause of high-output congestive heart failure.Iran J Med Sci 2005; 30(1): 41-44. Keywords ● Arterio-venous fistula...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید