نتایج جستجو برای: thd minimization

تعداد نتایج: 34311  

Journal: :Molecular pharmacology 2003
Liat Drucker Orit Uziel Tali Tohami Hava Shapiro Judith Radnay Shai Yarkoni Meir Lahav Michael Lishner

Thalidomide (Thd), a potent teratogen, was shown to have therapeutic potential in cancer, primarily in multiple myeloma (MM), yet its mechanism of action has not been elucidated. It was recently suggested that its teratogenicity is derived from interference in expression of genes regulated by GC-rich promoters by blocking the binding of SP1 transcription factor to its motif. We explored the val...

2008
Ruth Fujita Kathryn L. Braun Claire K. Hughes

The prevalence of obesity is increasing among all Americans, including Native Hawaiians. Because obesity is a risk factor for major chronic diseases and shortens lifespan, it is important to develop and test interventions to prevent and reduce it. Traditional Hawaiian Diet (THD) programs, conducted over the last two decades, were examined in the context of national information on weight loss an...

Journal: :Journal of cardiothoracic and vascular anesthesia 2013
Luigi Barile Giovanni Landoni Marina Pieri Laura Ruggeri Giulia Maj Caetano Nigro Neto Laura Pasin Luca Cabrini Alberto Zangrillo

OBJECTIVE The authors measured cardiac index in unstable patients after cardiac surgery with the Pressure Recording Analytic Method (PRAM) and compared it with the reference method of thermodilution (ThD) with the pulmonary artery catheter; using the hypothesis that there were no significant differences between the 2 methods. DESIGN A prospective study. SETTING Cardiac surgery intensive car...

Journal: :International immunology 2003
Ascensión López-Díaz de Cerio Juan José Lasarte Noelia Casares Pablo Sarobe Marta Ruiz Jesús Prieto Francisco Borrás-Cuesta

To engineer T(h) determinants (THd) to prime help for humoral or cytotoxic T cell responses, we modified ovalbumin [OVA(323-337)] and myoglobin [MYO(106-118)] eliciting T(h)1 and T(h)0 cytokine profiles respectively. Residues along the sequence of both THd were replaced with amino acids representative of different families. Replacements at positions P-1 and P5 pointing to the TCR in both THd af...

2013
Leonardo A. Miceli Valéria L. Teixeira Helena C. Castro Carlos R. Rodrigues Juliana F. R. Mello Magaly G. Albuquerque Lucio M. Cabral Monique A. de Brito Alessandra M. T. de Souza

AIDS is a pandemic responsible for more than 35 million deaths. The emergence of resistant mutations due to drug use is the biggest cause of treatment failure. Marine organisms are sources of different molecules, some of which offer promising HIV-1 reverse transcriptase (RT) inhibitory activity, such as the diterpenes dolabelladienotriol (THD, IC50 = 16.5 µM), (6R)-6-hydroxydichotoma-3,14-diene...

Mahmood Seifouri Mostafa Kohestani Parviz Amiri

In this paper, we investigate the parameters affecting Total Harmonic Distortion (THD) and Power Supply Rejection Ratio (PSRR) in PWM Class D Amplifiers (CDAs) on the basis of linear models with feedback. From our mathematical analysis, we show that the THD of a PWM Class D amplifier with feedback can be improved by increasing the gain of the integrator through adding another amplifier at the o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده مهندسی برق و کامپیوتر 1391

با توجه به استفاده بی رویه از سوخت های فسیلی برای تامین انرژی، و کمبود منابع سوخت فسیلی در جهان، بشر رو به استفاده از انرژی های تجدیدپذیر، بخصوص انرژی باد و خورشید آورده است. در کنار استفاده از انرژی های تجدیدپذیر، مصرف کنندگان به دنبال سیستمی با کیفیت و اقتصادی می باشند. در نتیجه دستیابی به سیستمی با کیفیت بالا جهت سرویس‎دهی مناسب به مشترکین و رسیدن به منافع اقتصادی برای تولید‎کنندگان برق و مص...

Journal: :Annals of Medicine and Surgery 2017

2016
F. Z. Peng C. O. Nwankpa L. M. Tolbert G. Carrara S. G. Gardella G. V. Stanke P. F. Seixas M. A. Severo Mendes P. Donoso Garcia

This paper proposes a generalized space vector pulse width modulation (SVPWM) technique for hybrid multilevel inverters for minimizing total harmonic distortion (THD). The proposed method easily determines the actual location of the instantaneous reference space vector and the corresponding switching sequence of a multilevel inverter. The proposed algorithm offers a novel method for minimizing ...

2016
S. Özdemir M. Demirtaş S. Aydin

The power quality in electrical energy systems is very important and harmonic is the vital criterion. Traditionally Fast Fourier Transform (FFT) and Discrete Fourier Transform (DFT) have been used for the harmonic distortion analysis and in the literature harmonic estimations have been made using different methods. As an alternative method, this paper suggested using Support Vector Machine (SVM...

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