نتایج جستجو برای: statistical experiment design

تعداد نتایج: 1661434  

2010
Agnes Rensfelt

Viscoelastic materials can today be found in a wide range of practical applications. In order to make efficient use of these materials in construction, it is of importance to know how they behave when subjected to dynamic load. Characterization of viscoelastic materials is therefore an important topic, that has received a lot of attention over the years. This thesis treats different methods for...

2005
Kai Yu Jinbo Bi Volker Tresp

This paper considers the problem of selecting the most informative experiments x to get measures y for learning an inference model y = f(x). We propose a novel concept for active learning, transductive experiment design, to overcome the shortcomings of existing experiment design methods, e.g. insufficient exploration of available unmeasured data and poor scalability for large data sets. In-dept...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

Journal: :She Ji: The Journal of Design, Economics, and Innovation 2021

Speculative design is a subsidiary field of critical practice. It generally involves developing scenarios based on central object, often prototype. Because it concerned with alternative present and future states, many acknowledge the potential speculative for raising discussion public engagement science, technology, society. In this article, we ask how analogy to thought experiments highlights ...

2017
Heidi Moseson Caitlin Gerdts Christine Dehlendorf Robert A Hiatt Eric Vittinghoff

BACKGROUND The list experiment is a promising measurement tool for eliciting truthful responses to stigmatized or sensitive health behaviors. However, investigators may be hesitant to adopt the method due to previously untestable assumptions and the perceived inability to conduct multivariable analysis. With a recently developed statistical test that can detect the presence of a design effect -...

2003
O. BASKAN

Where fuzzy regression can be applied and, in which conditions fuzzy regression method more appropriate tool for the investigations are identified in this paper. The contrast between fuzzy regression and ordinary regression analysis and three approach of fuzzy regression are summarized. In this paper, we estimated the values of the parameters in the factorial experiment in the textile industry ...

Journal: :international journal of advanced design and manufacturing technology 0
mehdi vahdati department of mechanical engineering, university of tehran ramezanali mahdavinejad department of mechanical engineering, university of tehran saeid amini department of mechanical engineering, university of kashan

ultrasonic vibration assisted single point incremental forming (uvaspif) process is an attractive and adaptive method in which a sheet metal is gradually and locally formed by a vibrating hemispherical-head tool. the ultrasonic excitation of forming tool reduces the average of vertical component of forming force and spring-back rate of the formed sample. the spring-back phenomenon is one of the...

Journal: :international journal of advanced design and manufacturing technology 0
mohammad sajjad mahdieh university of tehran (ut) ehsan rafati islamic azad university najafabad branch, iran samaneh kargar sichani isfahan university of technology (iut), iran

surface roughness of engineering parts is very significant property that effectively influences on the wear and fatigue strength. there are many methods for improving surface quality of engineering parts such as grinding, lapping and honing. one of the methods for improving surface quality is roller burnishing. roller burnishing improves surface quality of engineering parts by means of cold wor...

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