Bibliografías temáticas / Maple leaves

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Literatura académica sobre el tema "Maple leaves"

Autor: Grafiati
Publicado: 26 de julio de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Maple leaves"

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Ashton, P. Mark S., Hae Soon Yoon, Rajesh Thadani, and Graeme P. Berlyn. "Seedling Leaf Structure of New England Maples (Acer) in Relation to Light Environment." Forest Science 45, no. 4 (1999): 512–19. http://dx.doi.org/10.1093/forestscience/45.4.512.

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Abstract Seedling leaves of the genus Acer from southern New England were compared in relation to light. The species investigated were red maple (A. rubrum L.), a species tolerant of xeric and hydric sites; silver maple (A. saccharinum L.), a species restricted to riparian sites that are periodically flooded; and sugar maple (A. saccharum Marsh.), a mesic species of lower slopes and valleys. Germinating seedlings of all species were collected and grown within four shade treatments that had contrasting light quantity and quality: (1) approximately 100% of full sunlight, red:far-red ratio = 1.27
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Griffin, Jason J. "(112) Heat and Drought Affect Photosynthesis of Sugar Maple (Acer saccharum) Ecotypes." HortScience 40, no. 4 (2005): 1079A—1079. http://dx.doi.org/10.21273/hortsci.40.4.1079a.

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Common sugar maple (Acer saccharum Marshall) selections suffer from prolonged drought and constant wind on the southern Great Plains. Nonirrigated plants often have scorched and torn leaves as a result of these environmental stresses. In field studies, a sugar maple ecotype native to western Oklahoma (known as `Caddo' maple) has shown improved tolerance to drought and leaf tatter. A study to examine drought tolerance of seedling `Caddo' maple compared to typical seedling sugar maple was established at the John C. Pair Horticultural Center. One seedling of each type was planted in a single 38-L
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Jonczak, Jerzy, Agnieszka Parzych, and Zbigniew Sobisz. "Dynamics of Cu, Mn, Ni, Sr and Zn release during decomposition of four types of litter in headwater riparian forests in northern Poland." Forest Research Papers 75, no. 2 (2014): 1–8. http://dx.doi.org/10.2478/frp-2014-0018.

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Abstract The aim of the study was to compare the dynamics of Cu, Mn, Ni, Sr and Zn release during decomposition of leaves of Black alder (native material), Norway maple, Red oak and European beech (exogenous material) in the area of headwater riparian forests along the upper course of the Kamienna Creek (Northern Poland). Litter bag method was used in the experiment. Initial materials differed in terms of their chemical composition. Cu, Mn, Ni, Sr and Zn contents were low in general, and in fact, even a few times lower than limit values for decomposition rate. Different trends in the dynamics
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Jonczak, Jerzy, Agnieszka Parzych, and Zbigniew Sobisz. "Dynamics of Cu, Mn, Ni, Sr and Zn release during decomposition of four types of litter in headwater riparian forests in northern Poland." Forest Research Papers 75 (2) (June 1, 2014): 193–200. https://doi.org/10.2478/frp-2014-0018.

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The aim of the study was to compare the dynamics of Cu, Mn, Ni, Sr and Zn release during decomposition of leaves of Black alder (native material), Norway maple, Red oak and European beech (exogenous material) in the area of headwater riparian forests along the upper course of the Kamienna Creek (Northern Poland). Litter bag method was used in the experiment. Initial materials differed in terms of their chemical composition. Cu, Mn, Ni, Sr and Zn contents were low in general, and in fact, even a few times lower than limit values for decomposition rate. Different trends in the dynamics of the le
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5

Zhang, Ming, Jeehwan Choe, Ting Bu, Shuilin Liu, and Sooah Kim. "Comparison of Antioxidant Properties and Metabolite Profiling of Acer pseudoplatanus Leaves of Different Colors." Antioxidants 12, no. 1 (2022): 65. http://dx.doi.org/10.3390/antiox12010065.

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Acer pseudoplatanus (maple) is a widely grown ornamental plant. In addition to its ornamental and ecological value, it also has potentially high economic value. It is a rich source of polyphenols and exhibits antioxidant activity. However, the relationship between polyphenol content and antioxidant activity in maple leaves of different colors (green, yellow, and red) has not yet been investigated. In this study, the total polyphenol (TP), total flavonoid (TFlav), tannin (TET), chlorophyll a and b (Chl a and b), total anthocyanin (TAN), and total carotene (TAC) contents in maple leaves of diffe
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Spooner, Jeffrey M. "Dying under the Maple Leaves." Hastings Center Report 24, no. 4 (1994): 2. http://dx.doi.org/10.2307/3562831.

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St. Clair, Samuel B., and Jonathan P. Lynch. "Photosynthetic and antioxidant enzyme responses of sugar maple and red maple seedlings to excess manganese in contrasting light environments." Functional Plant Biology 31, no. 10 (2004): 1005. http://dx.doi.org/10.1071/fp04049.

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Manganese (Mn) toxicity may be a significant constraint to forest health on acidic, non-glaciated soils. We hypothesised that sugar maple (Acer saccharum Marsh.) and red maple (Acer rubrum L.) seedlings differ in their tolerance to excess Mn, and that photosynthetic sensitivity to excess Mn is exacerbated at higher light intensities through photo-oxidative stress. To test these hypotheses, we assessed photosynthesis and antioxidant enzyme responses of sugar maple and red maple seedlings at variable Mn and light levels in a greenhouse study. In both species, high Mn treatments impaired photosyn
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Sibley, Jeff, D. Joseph Eakes, Charles Gilliam, Gary Keever, William Dozier, and Curt Peterson. "Anatomy and Morphology of Select Red Maple Cultivars." Arboriculture & Urban Forestry 21, no. 3 (1995): 136–44. http://dx.doi.org/10.48044/jauf.1995.023.

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This study was conducted to compare and define foliage features of select red maple and red maple hybrid cultivars under similar environmental conditions. Nine red maple (Acerrubrum) cultivars, three Freeman maple (Acer xfreemanii) cultivars, and a red maple seedling selection were evaluated in a field study for differences in average leaf area, petiole length, stomatal density, foliar nitrogen (N) content, and chlorophyll content. Leaves of the three A. x freemanii cultivars were the largest. Leaves of A. rubrum 'Autumn Flame' were the smallest. 'Autumn Blaze' had the highest stomatal density
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Sauvesty, A., F. Page, and J. Huot. "A simple method for extracting plant phenolic compounds." Canadian Journal of Forest Research 22, no. 5 (1992): 654–59. http://dx.doi.org/10.1139/x92-087.

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Quantitative estimation of phenolic compounds in plant tissues remains uncertain, mainly because those substances are unstable and easily degradable. In this research we have developed and tested a new method for extracting phenolic compounds from sugar maple (Acersaccharum Marsh.) leaves. The research involved three steps: (i) various procedures currently used for extraction of phenolic compounds were tested with five pure phenolic acids; (ii) the extraction solvent, the procedure for dissolving the phenolic compounds, the temperature, and the duration of the treatment were tested on maple le
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Bielyk, Yuliia, Vasyl Savosko, T. Lykholat, Hermann Heilmeier, and Ivan Grygoryuk. "Ecological determination of chlorophyll content in the leaves of trees naturally growing on devastated lands at iron ore waste rock dumps." Biological Systems: Theory and Innovation 12, no. 4 (2021): 5–18. https://doi.org/10.31548/biologiya2021.04.001.

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The content of chlorophyll in leaves of tree species naturally growing on devastated lands was studied- Ash-leaved maple (Acer negundo L.), Black locust (Robinia pseudoacacia L.) and Silver Birch (Betula pendula Roth.) were investigated. The analysis of the obtained results showed that in trees naturally growing on devastated lands at Petrovsky iron ore waste rock dumps the content of chlorophyll in leaves was less than in the control plot: by 35-65% in Ash-leaved maple, by 25-52% in Black locust- This resulte indicates difficult ecological conditions of these devastated lands. The content of
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Tesis sobre el tema "Maple leaves"

1

Alshammari, Saud. "Proteomic Evaluation and Cytotoxicity of Red Maple (Acer rubrum) Leaves." Chapman University Digital Commons, 2019. https://digitalcommons.chapman.edu/pharmaceutical_sciences_theses/4.

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Red maple (Acer rubrum), also known as swamp, water or soft maple, is endemic to eastern and central North America and was widely used as traditional medicine by the first peoples. Commercially, its well-known products include maple syrup and high-quality lumber. The potential medicinal benefits of phenolic compounds extracted from the red maple plant, such as glucitol-core containing gallotannins, include antioxidant, and antiglycation effects as well as their importance in cosmetic applications. Plant-derived proteins and peptides are important biomolecules; however to date, there is no publ
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Baisden, Jared T. "Isolation and Characterization of a Suspected Phytoalexin from Wilted Red Maple Leaves." Ashland University Honors Theses / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=auhonors1367972336.

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Prigent, Anaïs. "The emergence of female leaders: becoming a female leader in modern organisations." Thesis, Linnéuniversitetet, Ekonomihögskolan, ELNU, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-13113.

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Around the globe, many organisations are still dominated by male managerial models. In spite of the progress in the status of women in our society in the last decades, higher positions in organisations are still held by men, even though women have the capacity to occupy these positions. This work investigates many studies about the different arguments linked to organisations that researchers/authors have done on this subject. It uses narrative as a key focus to explore the under-representation of women in higher positions within national and multinational organisations. The theoretical part of
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Clare, Jillian. "Becoming Leaders : An Investigation Into Women's Leadership In Male-Defined And Male-Dominated Professions." Thesis, Queensland University of Technology, 2004. https://eprints.qut.edu.au/15947/1/Jiillian_Clare_Thesis.pdf.

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This thesis examines how women perform as leaders within male-dominated professions, including law, business, politics, the military, and the academy. In studying women's performances in terms of the corporeal and spectacular, the investigation seeks to understand how particular women enact leadership through their materiality within specific times and places. Drawing on Gilles Deleuze and Felix Guattari's (1988) theorising of the processes of 'becoming', woman-as-leader is studied as an entity that passes from one incomplete and multiple assemblage to another, rather than as a singular 'devel
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Clare, Jillian. "Becoming Leaders : An Investigation Into Women's Leadership In Male-Defined And Male-Dominated Professions." Queensland University of Technology, 2004. http://eprints.qut.edu.au/15947/.

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This thesis examines how women perform as leaders within male-dominated professions, including law, business, politics, the military, and the academy. In studying women's performances in terms of the corporeal and spectacular, the investigation seeks to understand how particular women enact leadership through their materiality within specific times and places. Drawing on Gilles Deleuze and Felix Guattari's (1988) theorising of the processes of 'becoming', woman-as-leader is studied as an entity that passes from one incomplete and multiple assemblage to another, rather than as a singular 'devel
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6

Hughes, Lawrence G. "Exploring the Experience of the African-American Male Worker Assigned to the African-American Male Leader." THE GEORGE WASHINGTON UNIVERSITY, 2012. http://pqdtopen.proquest.com/#viewpdf?dispub=3489793.

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Straub, Kolin R. "Gender identity development in male student leaders at a midwestern university /." View online, 2010. http://repository.eiu.edu/theses/docs/32211131575065.pdf.

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Richardson, Donna. "A Case Study Analysis of Five African American Male Educational Leaders." UNF Digital Commons, 2003. https://digitalcommons.unf.edu/etd/421.

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This qualitative study was conducted to elucidate the current understandings about what is known about the African American pathway from seemingly oppressive beginnings to educational leadership positions. It was an investigation of five African American male leaders from Jacksonville, Florida, and their individual and collective perceptions on what enabled them to educationally succeed despite their humble beginnings. The study explored the similarities, differences, and historical experiences of all five of the African American male leaders purposefully chosen for this research. Two categori
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Catron, Gail Satterfield. "Factors that Influence a Woman's Choice to Remain in or to Leave a Male-dominated Major." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/29831.

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Grounded theory methods of Strauss and Corbin (1990) and multidimensional scaling techniques (Kruskal & Wish, 1991) were used in this investigation to study the factors that influence a woman's choice to remain in or to leave a male-dominated major (Zuckerman, 1981). Focus group interviews were conducted with 62 sophomore women who had originally chosen male-dominated majors as freshmen to gain insight into the meanings and motivations of the student decisions. The participants responded to a 25-item survey which yielded a-three dimension solution with five clusters in the multidimensional sca
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Gregory, John C. "RECOGNIZING HER CHARACTERISTICS AS A LEADER: AN EXAMINATION OF THE SELF-ASSESSMENT OF WOMEN LEADERS AS SHAPED BY SOCIAL IDENTITY THEORY AND THE CONCEPT OF DOUBLE CONSCIOUSNESS." VCU Scholars Compass, 2017. http://scholarscompass.vcu.edu/etd/5022.

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Women leaders are grossly underrepresented in police and Army organizations and relevant research suggests that women face the most significant challenges in reaching leadership positions in male dominant organizations. Although there have been recent policy changes to increase opportunities for women in police and Army organizations, women are still barely represented in senior command and primary staff positions in police and Army organizations. When women are underrepresented, particularly at the most senior ranks, there are implications regarding cultural, structural, and attitudinal chall
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Libros sobre el tema "Maple leaves"

1

Ferguson, Rose. Maple leaves and snowflakes. Printed for the author by W. Briggs, 1997.

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Stefanyk, Vasylʹ Semenovych. Maple leaves and other stories. Dnipro Publishers, 1988.

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W, Char Bruce, ed. Maple user's guide: First leaves: a tutorial introduction to Maple, and Maple reference manual. 4th ed. WATCOM Publications, 1985.

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Group, Maple Poetry. Maple leaves: An anthology of poetry by Maple Poetry Group, Portumna. Published by Maple Poetry Group, 2005.

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W, Char Bruce, ed. First leaves: A tutorial introduction to Maple. 3rd ed. Waterloo Maple Pub., 1990.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1.

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W, Char Bruce, ed. First leaves: A tutorial introduction to Maple V. Springer-Verlag, 1992.

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Phitzer, Juniper Von. Leaf: A play on a word. Juniper Von Phitzer Press, 1994.

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Bartos, Ilene. Maple leaf quilts: 12 projects, 9 triangle techniques. Martingale & Co., 2008.

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Bartos, Ilene. Maple leaf quilts: 12 projects, 9 triangle techniques. Martingale & Co., 2008.

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Capítulos de libros sobre el tema "Maple leaves"

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Less Simple Maple." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_2.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Interactive Use of Maple." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_1.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "The Maple Programming Language." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_3.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Global access to Maple information." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_7.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Advanced Graphics." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_4.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Measuring and improving performance." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_5.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Advanced Examples." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_6.

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Char, Bruce W., Keith O. Geddes, Gaston H. Gonnet, Benton L. Leong, Michael B. Monagan, and Stephen M. Watt. "Conclusion." In First Leaves: A Tutorial Introduction to Maple V. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-6996-1_8.

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Milevsky, Moshe. "Correction to: Concluding Remarks: Tontine Thinking." In How to Build a Modern Tontine. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-00928-0_11.

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The original version of the book was inadvertently published with typos. The phrase Toronto Maple Leafs was incorrectly changed to Toronto Maple Leaves. Also, the “Large of Large Numbers” should be the “Law of Large Numbers” in the sentence “It’s the nature of the institution itself, and the lawyers really don’t care that the Large of Large Numbers operates regardless of the type of paper it’s written on.”
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Hansch, Julia, and Natalie Janning-Backfisch. "Women Leaders in Male-Dominated Industries." In Sociology, Work, and Organisations. Routledge, 2024. http://dx.doi.org/10.4324/9781003314769-12.

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Actas de conferencias sobre el tema "Maple leaves"

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Dubrovskis, Vilis, and Dagnis Dubrovskis. "Methane production from birch and maple leaves and miscanthus grass." In 23rd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2024. http://dx.doi.org/10.22616/erdev.2024.23.tf106.

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Global warming is increasingly affecting life in the world. We have to experience drastic temperature fluctuations, floods and drought periods more and more. The European Union has decided to achieve climate neutrality by 2050. To achieve this, it is important to stop using fossil energy sources. Renewable energy resources should be used instead. Instead of fossil natural gas, biogas obtained from various organic residues and waste can be used well. In order to make biogas production more profitable, cheap raw materials are needed. These could be tree leaves, which are collected in large quant
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Černiauskas, Valentinas, and Iveta Varnagirytė-Kabašinskienė. "Evaluating early changes in young tree seedlings under simulated urban environment." In Research for Rural Development 2024 : annual 30th international scientific conference. Latvia University of Life Sciences and Technologies, 2024. https://doi.org/10.22616/rrd.30.2024.046.

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Urban trees, integral to urban environments, demonstrate intricate responses to atmospheric pollutants like particulate matter (PM), tropospheric ozone (O3), and carbon dioxide (CO2). Notably, O3 induces oxidative stress in leaf tissues, while PM, consisting of fine airborne particles, interacts with urban trees through foliar deposition. This interaction is particularly interesting as tree canopies are highly effective filters, capturing and accumulating PM on their surfaces. The present study focused on silver birch, small-leaved lime, and Norway maple seedlings responses to elevated O3 and
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Bratishko, Viacheslav, Tetiana Tkachenko, Sergey Shulga, and Olena Tigunova. "Chemical studies of parameters and composition of lignocellulose raw material samples of municipal origin." In 23rd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering and Information Technologies, 2024. http://dx.doi.org/10.22616/erdev.2024.23.tf205.

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As a result of analytical studies, the main types of lignocellulose raw materials of communal origin were established (using the example of the city of Kyiv). It was found that the most common and promising for use in biofuel technologies are the following types of lignocellulose raw materials in groups: 1) lawn grass; roadside grass; 2) green trimmings of maple, linden, poplar, chestnut, oak, birch; 3) fallen leaves of maple, linden, poplar, chestnut, oak, birch. These types of trees make up 91.6% of the number of all perennial plantations, excluding coniferous trees (based on the analysed da
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Wang, Luna, Shuaihua Zhao, and Song Jiang. "MAPLe: A B+-tree with Multi-Access Parallel Leaves to Improve Access Concurrency and Locality." In SAC '25: 40th ACM/SIGAPP Symposium on Applied Computing. ACM, 2025. https://doi.org/10.1145/3672608.3707803.

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Kharcheva, Anastasia V. "Fluorescence intensities ratio F685/F740 for maple leaves during seasonal color changes and with fungal infection." In Saratov Fall Meeting 2013, edited by Elina A. Genina, Vladimir L. Derbov, Igor Meglinski, and Valery V. Tuchin. SPIE, 2014. http://dx.doi.org/10.1117/12.2049509.

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Rzhevskiy, Stanislav, and Anna Kondrat'eva. "DEVELOPMENT OF PRIMERS FOR IDENTIFICATION OF PARASITIC FUNGI OF THE GENUS RHYTISMA." In FORESTRY-BIOLOGICAL FOUNDATIONS OF SUSTAINABILITY OF NATURAL AND ARTIFICIAL PHYTOCOENOSES. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2024. http://dx.doi.org/10.58168/fbfsnap2024_135-141.

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This paper provides an overview of parasitic fungi of the genus Rhytisma found in Russia: Rhytisma acerinum (Pers.) Fr., Rh. punctatum (Pers.) Fr., the substrate for which is various types of maple, Rh. salicinum (Pers.) Fr., parasitizing willows and Rh. andromedae (Pers.) Fr. – on the Andromeda sp. Ascomycetes of this genus are the causative agents of black (tar) leaf spot, which damages the decorative qualities of plants, and at the same time, they can serve as indicators of the ecological situation. Types of rhytisma, for which maple leaves serve as a substrate, are widespread in Voronezh a
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Stratulat, Tatiana, Tatiana Şcerbacova, Natalia Răileanu, et al. "Diseases of the Acer platanoides and their control in the green areas of Chisinau." In Scientific International Symposium “Advanced Biotechnologies - Achievements and Prospects” (VIth Edition). Institute of Genetics, Physiology and Plant Protection, 2022. http://dx.doi.org/10.53040/abap6.2022.79.

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Green areas are a special element of the urban environment. Trees are essential for healthy communities and people. The state, conservation and development prospects of plantations constitute a whole complex of difficult and important scientific and practical problems. The complex of tree diseases is the most important factor of negative impact in urban plantations. Both infectious and non-infectious types of diseases can be found in green spaces. In park plantings, rot diseases and various infectious lesions of leaves dominate; while in street plantings, non-infectious leaf necrosis and necrosis
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Molodilo, Diana. "Women leading through crisis: proven strategies for success." In Universitas Europaea: Towards a Knowledge Based Society Through Europeanisation and Globalisation. Free International University of Moldova, 2025. https://doi.org/10.54481/uekbs2024.v1.10.

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Effective female leadership during crises is crucial for organizational success. This article explores strategies employed by female leaders in military academic institutions to find common ground during organizational crises, highlighting intentional leadership actions, emotional intelligence and adaptability. The article also explores the leadership dilemma faced by many female leaders in the military field. As an example, the story of Jennifer. Stories like Jennifer’s are quite common among female leaders, in that the higher they climb in their military career, the more evident it becomes h
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Al-Hayaly, Lekaa, Alaa Al-Sultan, and Saffa M. Sultan Sultan. "Effect of Olive Leaves Extract on Alloxan Induced Diabetes in Male Albino Mice." In Proceedings of the 1st International Multi-Disciplinary Conference Theme: Sustainable Development and Smart Planning, IMDC-SDSP 2020, Cyperspace, 28-30 June 2020. EAI, 2020. http://dx.doi.org/10.4108/eai.28-6-2020.2298148.

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Dillasamola, Dwisari, Syofyan, Almahdy, et al. "Immunostimulant Effect of Peronema canescens. Jack Leaves Extract and Propolis in Male White Mice." In 2nd International Conference on Contemporary Science and Clinical Pharmacy 2021 (ICCSCP 2021). Atlantis Press, 2021. http://dx.doi.org/10.2991/ahsr.k.211105.038.

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Informes sobre el tema "Maple leaves"

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Cooper, Pamela. Why are Maple Leaves Turning Brown and Falling Early? UConn Extension, 2023. http://dx.doi.org/10.61899/ucext.v1.025.2024.

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Савосько, Василь Миколайович, Юлія Віліївна Бєлик, Юрій Васильович Лихолат, Герман Хайльмейер, and Іван Панасович Григорюк. Macronutrients and Heavy Metals Contents in the Leaves of Trees from the Devastated Lands at Kryvyi Rih District (Central Ukraine). КДПУ, 2020. http://dx.doi.org/10.31812/123456789/4151.

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The relevance of these studies was due to the need to clarify the biogeochemical characteristics of woody plant species that grow naturally on devastated lands. The object of this paper: to carry out a comparative analysis of macro nutrients and heavy metals contents in the leaves of trees spontaneously sprouting on the devastated lands at the Kryvyi Rih District. This research was performed at Petrovsky waste rock dump, the Central part of the Kryvyi Rih iron-ore & metallurgical district (Dnipropetrovsk region, Ukraine). The macronutrients (K, Ca, Mg, P and S) and heavy metals (Fe, Mn, Zn
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Савосько, Василь Миколайович, Юлія Віліївна Бєлик, Юрій Васильович Лихолат, Герман Хайльмейер, and Іван Панасович Григорюк. Macronutrients and Heavy Metals Contents in the Leaves of Trees from the Devastated Lands at Kryvyi Rih District (Central Ukraine). E3S Web of Conferences, 2020. http://dx.doi.org/10.31812/123456789/3785.

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This research was performed at Petrovsky waste rock dump, the Central part of the Kryvyi Rih iron-ore & metallurgical district (Dnipropetrovsk region, Ukraine). The macronutrients (K, Ca, Mg, P and S) and heavy metals (Fe, Mn, Zn, Cu, Pb and Cd) contents in the leaves of three species of the trees (Ash-leaved maple, Silver Birch and Black locust) that were collected on devastated lands were assessed. It was established that trees which grow on the Petrovsky dump take place under evident shortage of nutrients (especially K and P) and excess of metals (especially Fe, Mn and Zn). It is reveal
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Husain, Aliza, David Matsa, and Amalia Miller. Do Male Workers Prefer Male Leaders? An Analysis of Principals' Effects on Teacher Retention. National Bureau of Economic Research, 2018. http://dx.doi.org/10.3386/w25263.

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Engelbrecht, Lizelle, and Bertha Jacobs. Hedonic and Utilitarian Shopping Motivations of Male Fashion Leaders. Iowa State University, Digital Repository, 2016. http://dx.doi.org/10.31274/itaa_proceedings-180814-1429.

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Chauvin, Juan Pablo, and Clemence Tricaud. Research Insights: Can Electoral Incentives Explain Gender Differences in Leaders' Behavior? Inter-American Development Bank, 2023. http://dx.doi.org/10.18235/0005262.

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Female and male mayors in Brazil responded differently to the COVID-19 crisis, with effects on mortality that varied over time. In the early months of the pandemic, female-led municipalities were less likely to close essential businesses and had higher COVID-19 death rates compared to male-led municipalities. Towards the end of the year 2020, however, female-led municipalities were more likely to close essential businesses and had fewer COVID-19 deaths than male-led municipalities. This suggests that female and male mayors handled the crisis in distinct ways, with implications for understandin
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Berniell, Inés, Mariana Marchionni, Julián Pedrazzi, and Mariana Viollaz. Women Political Leaders as Agents of Environmental Change. Inter-American Development Bank, 2025. https://doi.org/10.18235/0013521.

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This paper explores how female political leaders impact environmental outcomes and climate change policy actions using data from mixed-gender mayoral races in Brazil. We rely on a Regression Discontinuity design that compares municipalities where women narrowly won the election with those where men narrowly won. This strategy allows us to identify the causal effect of a woman winning the mayoral election. We find that, compared to male mayors, female mayors significantly reduce greenhouse gas emissions and deforestation in the municipalities with Amazon biome. Specifically, when a woman wins t
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Muñoz, Juan Sebastián. Re-estimating the Gender Gap in Colombian Academic Performance. Inter-American Development Bank, 2014. http://dx.doi.org/10.18235/0011529.

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This paper presents evidence of the relationship between the disparity in the academic performance of boys and girls in Colombia and the country's excessively high school dropout rates. By using the OLS and trimming for bounds techniques, and based on data derived from the PISA 2009 database, the presented findings show that the vast majority of this gender-related performance gap is explained by selection problems in the group of low-skilled and poor male students. In particular, the high dropout rate overestimates male performance means, creating a selection bias in the regular OLS estimatio
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Hefetz, Abraham, and Justin O. Schmidt. Use of Bee-Borne Attractants for Pollination of Nonrewarding Flowers: Model System of Male-Sterile Tomato Flowers. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586462.bard.

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The use of bee natural product for enhancing pollination is especially valuable in problematic crops that are generally avoided by bees. In the present research we attempted to enhance bee visitation to Male Sterile (M-S) tomato flowers generally used in the production of hybrid seeds. These flowers that lack both pollen and nectar are unattractive to bees that learn rapidly to avoid them. The specific objects were to elucidate the chemical composition of the exocrine products of two bumble bee species the North American Bombus impatiens and the Israeli B. terrestris. Of these, to isolate and
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Chauvin, Juan Pablo, and Clemence Tricaud. Gender and Electoral Incentives: Evidence from Crisis Respons. Inter-American Development Bank, 2022. http://dx.doi.org/10.18235/0004458.

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While there is evidence of gender differences in leaders behavior, less is known about what drives these gaps. This paper uncovers the role of electoral incentives. Using a close election regression discontinuity design in Brazil, we first show that female mayors handled the COVID-19 crisis differently over the year 2020, which ended with new municipal elections. We find that having a female mayor led to more deaths per capita at the beginning of the pandemic a period characterized by uncertainty about the severity of the threat but to fewer deaths per capita later in the year, a period where
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