Results 221 to 230 of about 419,109 (267)
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Annual Review of Plant Biology, 2006
Leaves are extraordinarily variable in form, longevity, venation architecture, and capacity for photosynthetic gas exchange. Much of this diversity is linked with water transport capacity. The pathways through the leaf constitute a substantial (≥30%) part of the resistance to water flow through plants, and thus influence rates of transpiration and ...
Lawren, Sack, N Michele, Holbrook
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Leaves are extraordinarily variable in form, longevity, venation architecture, and capacity for photosynthetic gas exchange. Much of this diversity is linked with water transport capacity. The pathways through the leaf constitute a substantial (≥30%) part of the resistance to water flow through plants, and thus influence rates of transpiration and ...
Lawren, Sack, N Michele, Holbrook
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Accounts of Chemical Research, 2012
To convert the energy of sunlight into chemical energy, the leaf splits water via the photosynthetic process to produce molecular oxygen and hydrogen, which is in a form of separated protons and electrons. The primary steps of natural photosynthesis involve the absorption of sunlight and its conversion into spatially separated electron-hole pairs.
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To convert the energy of sunlight into chemical energy, the leaf splits water via the photosynthetic process to produce molecular oxygen and hydrogen, which is in a form of separated protons and electrons. The primary steps of natural photosynthesis involve the absorption of sunlight and its conversion into spatially separated electron-hole pairs.
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Science, 2018
A decade ago, France launched an ambitious effort to cut pesticide use by half. It failed. Now, the country is trying again.
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A decade ago, France launched an ambitious effort to cut pesticide use by half. It failed. Now, the country is trying again.
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Leaf fall as a source of leaf miner mortality
Oecologia, 1984Leaf miner deaths resulting from the death of their leaves were assessd by collecting falling leaves of holm oak and beech. The Phyllonorycter mines thus captured were examined to ascertain the cause of death. For both mining species the mortality from leaf shedding accounted for less than 2.8% of the mining cohorts.
I M, Pritchard, R, James
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Scientific American, 2010
The article discusses research investigating the development of artificial leaves that act like natural leaves. Plants produce their own natural energy through photosynthesis, which is a process that converts sunlight, air, and water into fuel, without producing harmful emissions. An overview of artificial leaves that can similarly convert sunlight and
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The article discusses research investigating the development of artificial leaves that act like natural leaves. Plants produce their own natural energy through photosynthesis, which is a process that converts sunlight, air, and water into fuel, without producing harmful emissions. An overview of artificial leaves that can similarly convert sunlight and
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Continuous leaf optimization for IMRT leaf sequencing
Medical Physics, 2016PurposeConventional step‐and‐shoot intensity modulated radiation therapy leaf sequencing methods, where a nonhomogeneous fluence map is converted to a set of apertures and associated intensities, assume that target fluence is stratified into a fixed number of discrete levels and/or aperture leaf positions are restricted to a discrete set of locations ...
Troy, Long +3 more
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Ecological Engineering, 2001
Conference Name:International Symposium on Ecology and Engineering. Conference Address: FREMANTLE, AUSTRALIA. Time:NOV 10-12, 1997.
Peng Lin, Wen-qing Wang
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Conference Name:International Symposium on Ecology and Engineering. Conference Address: FREMANTLE, AUSTRALIA. Time:NOV 10-12, 1997.
Peng Lin, Wen-qing Wang
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International Journal of Bifurcation and Chaos, 1999
First, we study the growth rate of separation of pseudo-orbits of a finitely generated group acting on a compact space. Then, suspending a suitable group action and a suitable pseudo-orbit we get, after a minor modification, a foliation and a Riemannian manifold which is not quasi-isometric to any leaf of any compact foliated manifold but which is ...
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First, we study the growth rate of separation of pseudo-orbits of a finitely generated group acting on a compact space. Then, suspending a suitable group action and a suitable pseudo-orbit we get, after a minor modification, a foliation and a Riemannian manifold which is not quasi-isometric to any leaf of any compact foliated manifold but which is ...
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SIGGRAPH Asia 2012 Computer Animation Festival, 2012
The Sixth Leaf is a 3D animated short about the search for a mental state of relaxation through the ritual of traditional Asian tea preparation. Tea is deeply embedded in a number of different cultures and religions because of its meditative quality.
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The Sixth Leaf is a 3D animated short about the search for a mental state of relaxation through the ritual of traditional Asian tea preparation. Tea is deeply embedded in a number of different cultures and religions because of its meditative quality.
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Oecologia, 1989
The value of a leaf to a plant depends on the fate of its exported assimilates. When these are translocated and used in the growth of new leaves they contribute to further carbon assimilation. The result is that their value to the plant is greatest while they are young.
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The value of a leaf to a plant depends on the fate of its exported assimilates. When these are translocated and used in the growth of new leaves they contribute to further carbon assimilation. The result is that their value to the plant is greatest while they are young.
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