نتایج جستجو برای: leaf thickness

تعداد نتایج: 193552  

2014
Catherine Meis Nastaran Hashemi Reza Montazami

Articles you may be interested in Multiphysics of ionic polymer–metal composite actuator Thickness dependence of curvature, strain, and response time in ionic electroactive polymer actuators fabricated via layer-by-layer assembly We have employed the easy-to-scale-up method of spray-coating in combination with layer-by-layer self-assembly technique to fabricate ionic electroactive polymer actua...

2005
Oranys Marín Elizabeth Rengifo Ana Herrera

In order to gain knowledge on the physiological and anatomical responses of plants to long-term growth under elevated CO2 concentrations, measurements of water status, leaf gas exchange and leaf anatomical characteristics were made during the rainy and the dry season in plants of Brownea coccinea and Spatiphylum cannifolium growing along a natural CO2 gradient, from 35000μmol·mol (supra-atmosph...

Journal: :The New phytologist 2010
Mashuri Waite Lawren Sack

Mosses are an understudied group of plants that can potentially confirm or expand principles of plant function described for tracheophytes, from which they diverge strongly in structure. We quantified 35 physiological and morphological traits from cell-, leaf- and canopy-level, for 10 ground-, trunk- and branch-dwelling Hawaiian species. We hypothesized that trait values would reflect the disti...

2017
Tomasz Hura Bożena Szewczyk-Taranek Katarzyna Hura Krzysztof Nowak Bożena Pawłowska

The aim of this work was to analyse the response of Rosa rubiginosa to salinity induced by different concentrations of sodium chloride and calcium chloride (0, 25, 50, 100, 150 and 200 mM). Besides salt accumulation and pH changes, other parameters were investigated including photosynthetic activity, leaf water content, the dynamics of necrosis and chlorosis appearance and leaf drying. The stud...

Journal: :American journal of botany 2007
Lars Markesteijn Lourens Poorter Frans Bongers

Our understanding of leaf acclimation in relation to irradiance of fully grown or juvenile trees is mainly based on research involving tropical wet forest species. We studied sun-shade plasticity of 24 leaf traits of 43 tree species in a Bolivian dry deciduous forest. Sampling was confined to small trees. For each species, leaves were taken from five of the most and five of the least illuminate...

Journal: :Plant, cell & environment 2017
Hoa T Nguyen Patrick Meir Lawren Sack John R Evans Rafael S Oliveira Marilyn C Ball

Leaf structure and water relations were studied in a temperate population of Avicennia marina subsp. australasica along a natural salinity gradient [28 to 49 parts per thousand (ppt)] and compared with two subspecies grown naturally in similar soil salinities to those of subsp. australasica but under different climates: subsp. eucalyptifolia (salinity 30 ppt, wet tropics) and subsp. marina (sal...

Journal: :Tree physiology 2001
D S Green E L Kruger

Leaf structure has been shown to be an important determinant of leaf photosynthetic characteristics, yet the nature of this relationship remains ambiguous. It has been suggested that intra-leaf shading of chloroplasts may explain the negative influence of increasing leaf thickness/density on mass-based photosynthesis. To explore further the importance of light-mediated functional limitations co...

Journal: :International journal of engineering technology and management sciences 2023

“Comparison Analysis of Leaf Spring with Eye Thickness 18mm and 17mm Using Solid works, Performance ANSYS ˮ was the subject a study. The specific load Unladen were used to compare eye thicknesses 17 mm 18 mm. leaf springs in vehicles make passengers more comfortable by reducing vertical vibration caused unevenness road geometry. When spring loses its shape over time, life decreases, which can c...

The olive (Olea europaea L.) tree is one of the most characteristic tree crops from the Mediterranean basin that they are frequently subjected to prolonged drought periods. Olive tree is able to tolerate the low availability of water in the soil by means of morphoanatomical and physiological adaptations. This experiment was conducted based on completely randomized design with three replications...

2014
Jelte Rozema Danny Cornelisse Yuancheng Zhang Hongxiu Li Bas Bruning Diana Katschnig Rob Broekman Bin Ji Peter van Bodegom

Salt tolerance of higher plants is determined by a complex set of traits, the timing and rate of evolution of which are largely unknown. We compared the salt tolerance of cultivars of sugar beet and their ancestor, sea beet, in hydroponic studies and evaluated whether traditional domestication and more recent breeding have changed salt tolerance of the cultivars relative to their ancestor. Our ...

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