نتایج جستجو برای: gra method

تعداد نتایج: 1630850  

Journal: :Pain physician 2013
Cheng-Ling Lee Hann-Chorng Kuo

BACKGROUND Ulcer type and non-ulcer type interstitial cystitis/bladder pain syndromes (IC/BPS) are considered different disease entities. Thus, intravesical botulinum toxin A (BoNT-A) treatment outcomes could differ for each entity. OBJECTIVES To evaluate and compare the treatment outcomes of BoNT-A injections for treatment of each IC/BPS type. STUDY DESIGN Prospective interventional study....

Journal: :Çukurova Üniversitesi Mühendislik Fakültesi Dergisi 2021

Friction stir spot welding (FSSW) is a solid state method mainly used to join non-ferrous metals and their alloys. When opposed other processes, FSSW has the benefits of being pollution-free having no filler material. In this study an attempt was made for multi response optimization friction welded EN AW 5005 aluminum alloy using Taguchi Grey relational analysis (GRA). Pin height (h, mm), tool ...

Journal: :Physical review. A, General physics 1989
Oh Lee George Um Choi Kahng

A molecular system adsorbed on a dielectric surface is modeled as a damped harmonic oscillator driven by a sinusoidal external force. The exact propagator and wavefunction through the Feynman path integral method are obtained. The second-quantization of this system is carried out. Expectation values of several physical quantities are evaluartd. The amplitude for transitions between harmonic osc...

2013
Si-Yu Zou Ran Huang Mao-Chieh Chi Hui-Mi Hsu

This study investigates the effectiveness of concrete protection with two inorganic silicate sealer materials (ISSMs). The Taguchi method and grey relational analysis (GRA) have been used to identify the key factors influencing concrete protection provided by the surface treatment. Seven control factors with two levels were selected. By using the orthogonal array L12 (2⁷), 12 experiments are ch...

2003
James T. Linnemann

Significance testing for a possible signal in counting experiments centers on the probability that an observed count in a signal region, or one more extreme, could have been produced solely by fluctuations of the background source(s) in that region. Statisticians refer to this probability as a p-value. The traditions for calculating signal significance differ between High Energy Physics (HEP) a...

Journal: :Barekeng 2022

In the current study, combining powder with dielectric fluid in electrical discharge machining (PMEDM) is a very fascinating technological approach. This approach most effective at increasing both productivity and quality of machined surface same time. The Taguchi–GRA was used to optimize roughness (SR), material removal rate (MRR), micro-hardness (HV) die steels mixed powder. Workpiece materia...

Journal: :Process integration and optimization for sustainability 2021

The current work demonstrates a novel multi-criteria decision-making (MCDM) technique to optimize the process parameters during wire electric discharge machining of Inconel 718. A hybrid GRA-TOPSIS algorithm using entropy weights is developed processes for maximizing cutting speed and simultaneously minimizing surface roughness flatness error. Experiments were conducted according Taguchi L18 or...

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