نتایج جستجو برای: roundness factor

تعداد نتایج: 844816  

Journal: :International Journal of Science and Research Archive 2023

The attractive mechanical properties and light weight to strength ratio Glass Fiber Reinforced Plastic (GFRP) composites are preferred in automobile aerospace industries. Drilling process is one of the basic important manufacturing processes. GFRP its issues with hole quality fiber crack, roughness surface, dimensional error delamination. In this work, effect three different drill (Slot type, t...

Journal: :Precision Engineering-journal of The International Societies for Precision Engineering and Nanotechnology 2021

Abstract The three-probe method for separating the spindle rotation error and specimen form is extensively described in literature. An attractive feature its application in-process measurement. However, resulting uncertainty studied far less extensively. In this paper, an evaluation propagation uncertainty, as well reduction, given based on system transfer function (S-function). First, utilizin...

Journal: :Notulae Scientia Biologicae 2023

Nerium oleander var. ‘Villa Romaine’, commonly called oleander, is an ornamental shrub that exists in Tunisia the wild and cultivated form. This plant frequently propagated produced nurseries used urban plantings on roadsides. The effects of nature plants (spontaneous or cultivated), climatic conditions (localities), altitude (from 6 to 447 m) seed shape, size, germination Tunisian populations,...

2010
T. J. SULLIVAN

We consider a random variable X that takes values in a (possibly infinite-dimensional) topological vector space X . We show that, with respect to an appropriate “normal distance” on X , concentration inequalities for linear and non-linear functions ofX are equivalent. This normal distance corresponds naturally to the concentration rate in classical concentration results such as Gaussian concent...

2009
Nicolas Szilas

Interactive Drama is the ultimate challenge of digital entertainment. In this paper, from our seven year experience in Interactive Drama, we try to shape the history of the field and envision what will be (or should be) the future of this history. Two main directions in particular are stressed, because we feel that the success of Interactive Drama lies in these two directions. The first one con...

Journal: :Oceanological and Hydrobiological Studies 2021

Abstract Otolith phenotypic variability was analyzed in the Caucasian bleak ( Alburnus escherichii ) from Selevir Reservoir Turkey. Utricular (lapillus) and lagenar (asteriscus) otoliths were removed, while distinguishing between left right otoliths. All photographed on distal (for asterisci) dorsal surface lapilli) using a Leica DF295 digital camera. morphometrics measured to nearest 0.001 mm ...

2011
Vlad Atanasiu

The paper reveals the superfi cial matching between script features as understood by forensic experts and computer scientists and advocates the development of computational instruments tailored to fi t the features traditionally used by the forensic community. In particular, and including other areas of graphonomics and the general public, there exists a demand for software for the analysis of ...

2013
Shan Lou Xiangqian Jiang Paul J. Scott

In contrast to the widely used mean-line based evaluation techniques, the capabilities of morphological methods are not fully recognized in practice. Morphological operations, e.g. dilation, erosion, closing and opening, are useful tools in surface metrology and dimensional metrology. This paper presents a variety of novel applications of morphological operations in association with several of ...

2013
Huan Huang Lih-Mei Yang Jian Liu

In this paper, micro-hole drilling in ambient air is presented using fs fiber laser (750 fs & 1030 nm). Micro holes were fabricated in both transparent (glasses) and non-transparent materials (metals and tissues). Hole shape and morphology was characterized and evaluated with optical microscope and scanning electron microscopy (SEM). Debris-free micro holes with good roundness and no thermal da...

Journal: :JSW 2013
Liang Gao Dongming Li Yihua Zhang

The paper studied weeds classification system using BP neural network and 6 shape parameters (the ratio of the width and the length, complete degrees, the roundness, the rectangle, ratio of the framework proportion and frame perimeter) based on such characteristic parameters as weed leaf area, perimeter, minimum bounding rectangle, circumcircle, equivalent oval as input feature vectors; and mea...

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