نتایج جستجو برای: log reduction
تعداد نتایج: 566259 فیلتر نتایج به سال:
Antimicrobial effects of photodynamic therapy on patients with necrotic pulps and periapical lesion.
This study analyzed the antimicrobial effect of photodynamic therapy (PDT) in association with endodontic treatment. Twenty patients were selected. Microbiological samples were taken after accessing the canal, endodontic therapy, and PDT. At the end of the first session, the root canal was filled with Ca(OH)(2), and after 1 week, a second session of the therapies was performed. Endodontic thera...
background: the classical supportive therapy for î² -thalassemia major consists of regular blood transfusion, iron-chelation therapy and specific treatment of the related complications. a balance between the maintenance of the highest possible level of haemoglobin and lowest possible level of iron accumulation in heart and liver give the best chance of survival and the best quality of life. met...
Vancomycin-resistant enterococci (VRE) are a serious public health threat and leading cause of healthcare-associated infections. Bacterial resistance to antibiotics recommended for the treatment enterococcal infections complicates management these Hence, there is critical need discovery new anti-VRE agents. We previously reported carbonic anhydrase inhibitors (CAIs) as potent VRE inhibitors. In...
در این پایان نامه، الگوریتم نقطه درونی اولیه-دوگان جدیدی را برای حل حالت خاصی از مسئله ی بهینه سازی نیمه معین محدب درجه دو، مبتنی بر تابع هسته بیان می کنیم. تابع هسته پارامتری ارائه شده در بدست آوردن جهت های جستجو ی جدید و همچنین اندازه گیری فاصله ی بین نقاط تکرار داده شده از µ-مرکزدر الگوریتم مورد استفاده قرار می گیرد. این خاصیت ها ما را قادر می سازد تا بهترین کران تکرار شناخته شده را برای ال...
Comparator circuit model was originally introduced in [5] (and further studied in [2]) to capture problems which are not known to be P-complete but still not known to admit efficient parallel algorithms. The class CC is the complexity class of problems many-one logspace reducible to the Comparator Circuit Value Problem and we know that NLOG ⊆ CC ⊆ P. Cook et al [2] showed that CC is also the cl...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
در این پایان نامه، یک روش نقطه درونی اولیه-دوگان برای بهینه سازی خطی و نیمه معین براساس تابع هسته جدید با جمله مانع مثلثاتی ارائه می شود. نشان می دهیم که کران تکرار برای روش بهنگام سازی کوچک و بهنگام سازی بزرگ به ترتیب عبارتند از o(?n log n/?) و o(n^(3/4) log??n/??)، که این کران پیچیدگی، بهتر از کران پیچیدگی به دست آمده از تابع هسته ی کلاسیک است.
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