نتایج جستجو برای: cluster diameter

تعداد نتایج: 312063  

Journal: :به نژادی نهال و بذر 0
مصطفی رحمتی m. rahmati کاظم ارزانی k. arzani department of horticutural science, college of agriculture, tarbiat modares university, tehran, iran.گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران عباس یداللهی a. yadollahi

many characteristics of pear trees such as growth, fruit size and yield, are influenced by the genetic characteristic of the rootstocks. in iran, mainly european pear seedlings (pyrus communis l.) are used as the rootstock in the pear orchards. thus, evaluation of pear seedling rootstocks is an important task. this experiment was conducted in 2009 and 2010 growing seasons in order to explore th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1398

تولید انبوه مرکبات در ایران، لزوم درجه بندی کیفی این محصولات را برای ورود به بازارهای جهانی تقاضا می کند. به همین منظور، در تحقیق حاضر، یک دستگاه سورتر (sorter) روباتیکی طراحی و ساخته شد تا بتواند میوه ها را بر اساس اندازه به سه قسمت کوچک، متوسط و بزرگ تقسیم نماید. دستگاه شامل بخش های نرم افزاری و سخت افزاری می باشد. قسمت سخت افزاری دستگاه از دو واحد تشکیل شده است. واحد اول، واحد تصویر برداری م...

2008
Mark Herbster Guy Lever Massimiliano Pontil

We continue our study of online prediction of the labelling of a graph. We show a fundamental limitation of Laplacian-based algorithms: if the graph has a large diameter then the number of mistakes made by such algorithms may be proportional to the square root of the number of vertices, even when tackling simple problems. We overcome this drawback by means of an efficient algorithm which achiev...

Journal: :Foundations of Computational Mathematics 2007
Marc Giusti Grégoire Lecerf Bruno Salvy Jean-Claude Yakoubsohn

Isolated multiple zeros or clusters of zeros of analytic maps with several variables are known to be difficult to locate and approximate. This article is in the vein of the α-theory, initiated by M. Shub and S. Smale in the beginning of the eighties. This theory restricts to simple zeros, i.e., where the map has corank zero. In this article we deal with situations where the analytic map has cor...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

rehabilitation of arid and semi-arid regions by tolerant native plant cover is a primary concern to create a sustainable balanced ecosystem. thus, the existing plant species of the region should be recognized together with a comprehensive survey and study of the environmental factors such as climate and soil conditions which affect the establishment of these plant species. this paper attempts t...

Journal: :Sains Malaysiana 2021

A new species of Rafflesia (Rafflesiaceae) from Mt. Benom Forest Reserve, Ulu Dong, Raub, Pahang, tunku-azizahiae Adam, Aizat-Juhari & Wan is described and illustrated. Cluster analysis principal component showed that R. tuanku-halimii are closely related morphologically, characterized by perigone lobes covered rows very spaced coalesced white warts, windows wholly rings warts. Score plot b...

2017
Chencai Wang Chao-Hsiung Hsu Zhao Li Lian-Pin Hwang Ying-Chih Lin Pi-Tai Chou Yung-Ya Lin

Magnetic resonance (MR) nano-theranostic hyperthermia uses magnetic nanoparticles to target and accumulate at the lesions and generate heat to kill lesion cells directly through hyperthermia or indirectly through thermal activation and control releasing of drugs. Preclinical and translational applications of MR nano-theranostic hyperthermia are currently limited by a few major theoretical diffi...

2004
M. GIUSTI

Isolated multiple zeroes or clusters of zeroes of analytic maps with several variables are known to be difficult to locate and approximate. This article is in the vein of the α-theory, initiated by M. Shub and S. Smale in the beginning of the eighties. This theory restricts to simple zeroes, i.e., where the map has corank zero. In this article we deal with situations where the analytic map has ...

Journal: :JNW 2009
Khaled Ragab Akinori Yonezawa

Peer-to-Peer Overlay networks enabling an endend application level-multicast service have drawn enormous attention. This paper proposes a self-organized < , >-Multicast Overlay Network (< , >-MON) that enables an efficient end-end application level multicast. The < , >-MON is organized into MON-Clusters, where is the maximum physical number of hops between any two endnodes in each MON-Cluster. ...

2001
T. E. Grift J. T. Walker J. W. Hofstee

A system was developed to measure the mass flow of granular fertilizer material in aerial spreader ducts. The flow process was regarded as the sequential passage of clusters containing multiple particles with varying diameters. An optical sensor was used to measure the cluster lengths on the fly. In a low–density flow regime, the diameter of each particle could be measured individually (this is...

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