نتایج جستجو برای: noise sn ratio

تعداد نتایج: 675382  

Journal: :Global Journal of Engineering and Technology Advances 2021

This paper focuses on the application of Taguchi Robust Design to determine optimum tensile strength Ukam-Plant Fibre Reinforced CNSL Composite using indigenous or locally sourced vegetable plant based natural fibres (Ukam-plant fibres) that are Lignocellulose as potential raw material. Tensile tests were conducted replicated samples obtain properties. Hounsfield Mosanto Tensometer, a universal...

The quality loss function developed by Genichi Taguchi considers three cases, nominal-thebest, smaller-the-better, and larger-the-better. The methodology used to deal with the larger-thebetter case is slightly different than the other two cases. This research employs a term called target-mean ratio to propose a common formula for all three cases to bring about similarity among them. The target-...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

Journal: :Chemical communications 2018
Luis A Serrano Ye Yang Elisa Salvati Francesco Stellacci Silke Krol Stefan Guldin

At present, drug dosage is based on standardised approaches that disregard pharmakokinetic differences between patients and lead to non-optimal efficacy and unnecessary side effects. In this work, we demonstrate the potential of pH-mediated fluorescence spectroscopy for therapeutic drug monitoring in complex media. We apply this principle to the simultaneous quantification of the chemotherapeut...

Journal: :journal of rehabilitation sciences and research 0
yones lotfi university of social welfare and rehabilitation sciences saiede kargar mohanna javanbakht akbar biglarian

background: one of the most common complaints expressed by individuals with hearing-impairment is the difficulty in speech perception in background noise. different tests have been developed for the evaluation of reduced ability of speech perception in noise, and the consonant-vowel in noise test is one of the simplest one regard to speech materials. the goal of the present study was developmen...

2012
Elahe Taghiabadi Mohsen Imenshahidi Khalil Abnous Fatemeh Mosafa Mojtaba Sankian Bahram Memar Gholamreza Karimi

Reactive α,β-unsaturated aldehydes such as acrolein (ACR) are major components of environmental pollutants and have been implicated in the neurodegenerative and cardiac diseases. In this study, the protective effect of silymarin (SN) against cardiotoxicity induced by ACR in mice was evaluated. Studies were performed on seven groups of six animals each, including vehicle-control (normal saline +...

Journal: :Dalton transactions 2012
Tomáš Chlupatý Zdeňka Padělková Antonín Lyčka Jiří Brus Aleš Růžička

The new class of homo- and heteroleptic n-butyl-N,N'-disubstituted amidinato group 14 metal(II) complexes were prepared by salt elimination from starting lithium amidinates and metal(II) chlorides both in stoichiometric ratio 2:1 and 1:1, respectively. The target amidinates contain less bulky isopropyl or cyclohexyl as well as a sterically demanding aromatic substituent. Desired 1:1 Pb(II) comp...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Luigi Zecca Antonella Stroppolo Alberto Gatti Davide Tampellini Marco Toscani Mario Gallorini Giuseppe Giaveri Paolo Arosio Paolo Santambrogio Ruggero G Fariello Erdem Karatekin Mark H Kleinman Nicholas Turro Oleh Hornykiewicz Fabio A Zucca

In this study, a comparative analysis of metal-related neuronal vulnerability was performed in two brainstem nuclei, the locus coeruleus (LC) and substantia nigra (SN), known targets of the etiological noxae in Parkinson's disease and related disorders. LC and SN pars compacta neurons both degenerate in Parkinson's disease and other Parkinsonisms; however, LC neurons are comparatively less affe...

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