Results 161 to 170 of about 1,282,075 (189)
The uses and origin of the arrangements of leaves in plants.
Memoirs of the American Academy of Arts and Sciences, 1873 openaire +2 more sources
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Journal of Coatings Technology and Research, 2017
Ice adhesion and accumulation are well known to cause serious problems for different structures such as wind turbines, power transmission and distribution systems, and aircraft. Development of coatings that can resist icing can solve many challenges in various areas of industry.
Elaheh Alizadeh-Birjandi +1 more
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Ice adhesion and accumulation are well known to cause serious problems for different structures such as wind turbines, power transmission and distribution systems, and aircraft. Development of coatings that can resist icing can solve many challenges in various areas of industry.
Elaheh Alizadeh-Birjandi +1 more
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From plant physiology to pharmacology: fusicoccin leaves the leaves
Planta, 2018This review highlights 50 years of research on the fungal diterpene fusicoccin, during which the molecule went from a tool in plant physiology research to a pharmacological agent in treating animal diseases. Fusicoccin is a phytotoxic glycosylated diterpene produced by the fungus Phomopsis amygdali, a pathogen of almond and peach plants.
Camoni L. +3 more
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Rendering plant leaves faithfully
ACM SIGGRAPH 2003 Sketches & Applications, 2003The light passes through these cells into the spongy layer of the leaf. The elliptical cells, which are interspersed with intercellular air spaces, cause internal scattering of the incident radiation and thereby distribute the light within the leaf. This process is important for an optimal absorption of the light by the leaf’s mesophyll.
Oliver Deussen, Oliver Franzke
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Aerosol deposition on plant leaves
Environmental Science & Technology, 1975An aerosol generator and wind tunnel system designed for use in aerosol deposition are described. Gross deposition on rough pubescent leaves was nearly seven times greater than on smooth, waxy leaves. Results suggest that aerosol deposition, on a per unit area basis, for single horizontal streamlining leaves is similar to that for arrays of leaves ...
Roger W. Carlson +3 more
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Biophotonic in situ sensor for plant leaves
Applied Optics, 2010Knowledge of the water concentration of plants can be helpful in several environmental and agricultural domains. There are many methods for the determination of water content in plant leaves; however, most of them give a relative moisture level or an analytical measure after a previous calibration procedure. Even for other biochemical compounds such as
Conejo, Elian +2 more
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Estimation of plant species by classifying plants and leaves in combination
Journal of Field Robotics, 2017AbstractInformation on which weed species are present within agricultural fields is a prerequisite when using robots for site‐specific weed management. This study proposes a method of improving robustness in shape‐based classifying of seedlings toward natural shape variations within each plant species.
Mads Dyrmann +2 more
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Photopyroelectric Microscopy of Plant Leaves
International Journal of Thermophysics, 2007The use of photothermal microscopy to obtain superficial and in-depth images, by means of the interaction of a thermal wave with the analyzed material, has reached great interest due to its numerous applications. The application of the photopyroelectric microscopy technique to obtain images of plant leaves is presented in this article.
E. Suaste +5 more
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Thermoluminescence of Plant Leaves
1998Chlorophyll luminescence (delayed fluorescence) originates from photosystem-II (PS-II) and results from the recombination of charges pairs created by a previous illumination. Thermoluminescence (TL) is a particular technique to study luminescence emission, which consists in (i) cooling the sample before or immediately after an illumination at a ...
M. Roman, J. M. Ducruet, A. Toulouse
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Annals of Botany, 1979
Tomato plants were grown with limited or luxury water supply and given nitrogen either as the ammonium ion or the nitrate ion. The 'active' iron fractions of the leaves as extracted by etherized tenth molar hydrochloric acid showed no relationship with the total iron but a very significant linear relationship was found between the active iron fraction ...
R. H. E. Inkson, A. Hall, P. C. Dekock
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Tomato plants were grown with limited or luxury water supply and given nitrogen either as the ammonium ion or the nitrate ion. The 'active' iron fractions of the leaves as extracted by etherized tenth molar hydrochloric acid showed no relationship with the total iron but a very significant linear relationship was found between the active iron fraction ...
R. H. E. Inkson, A. Hall, P. C. Dekock
openaire +2 more sources