کاوشی در وجهه در تعارف ایرانی

اثر بربرین در تنظیم آستروسیتهای Gfap+ ناحیه هیپوکمپ موشهای صحرایی دیابتی شده با استرپتوزوتوسین

Background: Diabetes mellitus increases the risk of central nervous system (CNS) disorders such as stroke, seizures, dementia, and cognitive impairment. Berberine, a natural isoquinolne alkaloid, is reported to exhibit beneficial effect in various neurodegenerative and neuropsychiatric disorders. Moreover astrocytes are proving critical for normal CNS function, and alterations in their activity...

اثر بربرین در تنظیم آستروسیتهای Gfap+ ناحیه هیپوکمپ موشهای صحرایی دیابتی شده با استرپتوزوتوسین

Background: Diabetes mellitus increases the risk of central nervous system (CNS) disorders such as stroke, seizures, dementia, and cognitive impairment. Berberine, a natural isoquinolne alkaloid, is reported to exhibit beneficial effect in various neurodegenerative and neuropsychiatric disorders. Moreover astrocytes are proving critical for normal CNS function, and alterations in their activity...

ادب و تعارف در ایران

در پژوهش­های معمول بین‌المللی دربارة politeness، رفتار مؤدبانه در ایران هم مورد بحث قرار گرفته است و محور این پژوهش­ها تعارف بوده است. تعارف به طور معمول به «Iranian politeness» تعریف شده است. نگارنده تلاش می‌کند یک دیدگاه متفاوت را ارائه کند، چونکه می‌توان بین ادب (رفتار مؤدبانه) و تعارف تفاوت قائل شد و این تمایز منحصراً از طریق اصطلاحات قابل تشخیص نیست، بلکه به عوامل مختلف  مهمی بستگی دارد. در...

Degenerate Four Wave Mixing in Photonic Crystal Fibers

In this study, Four Wave Mixing (FWM) characteristics in photonic crystal fibers are investigated. The effect of channel spacing, phase mismatching, and fiber length on FWM efficiency have been studied. The variation of idler frequency which obtained by this technique with pumping and signal wavelengths has been discussed. The effect of fiber dispersion has been taken into account; we obtain th...

کاوشی در روایت تأبیرالنخل

In some of the Sunni sources of narrations, such as Sahih Muslim, Musnad by Ibn Hanbal, Sunan by Ibn Majah, Sahih by Ibn Habban, and Majma al-Zawaid by Haythami, there is a narration known as the “pollination of the palm trees” which is considered as authentic by the Sunnis. The researcher in this article first traces the sources of this narration and shows that some of the transmitters of this...

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