نتایج جستجو برای: fi catalyst
تعداد نتایج: 70508 فیلتر نتایج به سال:
Background: Male infertility is defined as an inability to impregnate a fertile female; it is a widespread problem which is usually caused by some male factors such as low quantity and quality of sperm, specifically oligospermia and azoospermia. Objective: This study aimed to evaluate the bio-positive effects of low power density Wi-Fi radiation on the reproductive system of infertile and...
در این رساله به کمک مدول های ناهم منفرد (هم منفرد)، تعمیم هایی از مدول های بالابرنده و رابطه آن ها با یکدیگر مورد بررسی قرار می گیرد. همچنین کاربردهایی از مدول ناهم منفرد (هم منفرد) را نشان داده و در این راستا حلقه و مدول ($cp$ و $delta-cp$ ) را معرفی و در فصل آخر، خواص مدول خودهم تولیدکننده را تجزیه و تحلیل می کنیم. یکی از اهداف ما مطالعه روابط ما بین حلقه ها و مدول های معرفی شده با حل...
Objective(s): The placenta provides nutrients and oxygen to embryo and removes waste products from embryo’s blood. As far as we know, the effects of exposure to Wi-Fi (2.4 GHz) signals on placenta have not been evaluated. Hence, we examined the effect of prenatal exposure to Wi-Fi signals on anti-oxidant capacity, expressions of CDKNA1, and GADD45a as well as apoptosis...
Wi-Fi technology has always been an attractive solution for catering the increasing data demand inmobile networks because of the availability ofWi-Fi networks, the high bit rates they provide, and the lower cost of ownership. However, the legacyWiFi technology lacks of seamless interworking betweenWi-Fi and mobile cellular networks on the one hand, and between Wi-Fi hotspots on the other hand. ...
در این پژوهش به مطالعه و بررسی اثربخشی متغیرهای دقت و اضطراب ریاضی دانشجویان با سبک های متفاوت شناختی(fd/fi) بر عملکرد و حل مسئله ی آنان در درس جبر 1در دانشکده ریاضی دانشگاه فردوسی پرداخته شده است. نتایج کلی زیر از پژوهش به دست آمده است: 1. متغیرهای دقت ریاضی، اضطراب ریاضی عملکرد حل مسئله ی جبر دانشجویان رابطه ی خطی زیر را با یکدیگر دارند: نمره اضطراب ریاضی × 237/.- نمره دقت ریاضی ×155/.+13....
Objective: This study aims to decompose antibiotic of tetracycline hydrochloride (TCH) in aqueous medium by photocatalysis under the visible light irradiation. Method: Photocatalyst e -Zn(OH)2 was synthesized facile precipitation method from an containing zinc nitrate, using trisodium citrate dihydrate. The characterization as-prepared material confirmed XRD, SEM, FI-IR, and UV-Vis-DR. catalyti...
Glycerol dehydrogenase (GDH, EC 1.1.1.6, from Enterobacter aerogenes or Cellulomonas sp.) catalyzes the interconversion of analogues of glycerol and dihydroxyacetone. Its substrate specificity is quite different from that of horse liver alcohol dehydrogenase (HLADH), yeast alcohol dehydrogenase, lactate dehydrogenase, and other alcohol dehydrogenases used in enzyme-catalyzed organic synthesis a...
This article investigates two current incarnations of ‘lo-fi’ music and questions the extent to which these subgenres are actually low in fidelity. In essence, mainstream ‘hi-fi’ productions use similar effects, such as filtering sound like a radio or adding noise vinyl record. To understand lo-fi today, this explores by hip-hop producer ambient producer, drawing upon analytical methods Alan Mo...
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