نتایج جستجو برای: maple

تعداد نتایج: 4335  

2015
Ha Luu

In this paper, we will discuss how to use Maple programming to empirically investigate the asymptotic normality of the generalized Hirsch citation index (alias size of Durfeee rectangle) with respect to the uniform distribution on the sample space of integer partitions of n. All the results of this article were obtained using Maple programs, and is available at: http://math.rutgers.edu/ hbl15/e...

2013
Zuzana Chvátalová Jiří Hřebíček

The aim of this paper is to map selected tools offered the Maple system and user supports provided by the Canadian company Maplesoft Inc. for professional and modern implementation in economics, resp. finances. These are mainly fields of scientific computing, in the quantitative modeling, graphics visualizations and interactive simulations, both the direct using of built-in elements and the com...

2007
MARILOU BEAUDET CHRISTIAN MESSIER

1 In forest communities, species coexistence can be favoured by disturbance-related variations in light regime coupled with rank reversal in species performance. The objective of this study was to determine if a major canopy disturbance, resulting from an ice storm, would favour the coexistence of sugar maple ( Acer saccharum ) and beech ( Fagus grandifolia ) in an old-growth forest located nea...

2017
Luc Lagacé Carmen Charron Mustapha Sadiki

A plastic tubing system operated under vacuum is usually used to collect sap from maple trees during spring time to produce maple syrup. This system is commonly sanitized with isopropyl alcohol (IPA) to remove microbial contamination colonizing the system during the sugar season. Questions have been raised whether IPA would contribute to the leaching of plastic residues in maple sap and syrup c...

2002
A. Pique

Contemporary and next-generation commercial and defense-related platforms offer countless applications for thin-film polymer coatings, including the areas of microelectronics, optoelectronics, and miniature chemical and biological sensors. In many cases, the compositional and structural complexity, and the anisotropy of the material properties preclude the processing of many of these polymers b...

Journal: :Plant physiology 1980
R L Morris

Xylary fluid pH and reduction potentials were measured on silver maple (Acer saccharinum L.) grown under Fe and pH stress. Although pH and reduction potential (millivolt/59.2) varied significantly in the nutrient solution, xylary pH and reduction potential remained constant. It was concluded that changes in the pH and reduction potential in the xylary fluid of silver maple are not responsible f...

2002
Michael T. Smith Jay S. Bancroft

Potential spread of the Asian longhorned beetle (Anoplophora glabripennis Motschulsky) (Coleoptera: Cerambycidae: Lamiinae: Lamiini) (ALB) in the United States is dependent upon its rates of reproduction and dispersal, particularly among host tree species that it encounters within suitable climatic regions. Therefore, the goal of this study was to measure the reproductive potential of ALB on th...

2011
Dominique Gravel Marilou Beaudet Christian Messier

Northern hardwoods have undergone a marked change in their dynamics, with American beech (Fagus grandifolia Ehrh.) increasing in abundance relative to sugar maple (Acer saccharum Marsh.). This study aims to better understand this sudden shift in recruitment dynamics. We performed an extensive analysis of the age structure, radial growth pattern, and release history on >700 saplings from 34 matu...

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