نتایج جستجو برای: accumulators species
تعداد نتایج: 548385 فیلتر نتایج به سال:
Several species from the Brassica genus are very important agricultural crops in different parts of the world and are also known to be heavy metal accumulators. There have been a large number of studies regarding the tolerance, uptake and defense mechanism in several of these species, notably Brassica juncea and B. napus, against the stress induced by heavy metals. Numerous studies have also be...
The metabolic fate of l-ascorbic acid-1-(14)C and -6-(14)C has been investigated in two species in two genera of Vitaceae. Results suggest that ascorbic acid metabolism in the Vitaceae involves splitting the 6-carbon chain into 4- and 2-carbon fragments. The former, corresponding to C1 through C4 of ascorbic acid, is further oxidized to tartaric acid while the latter, corresponding to C5 and C6...
Protein fractions from three selenium-tolerant and three selenium-sensitive Astragalus species, grown in the presence of [(75)Se]selenate, were analyzed for their selenium content. Though tolerant species are known to accumulate considerably more selenium than do sensitive plants, protein fractions from the three selenium accumulators were found to contain significantly less selenium (0.46 to 0...
A variation of the Hough Transform that is aimed at detecting digital lines has been recently suggested. Other Hough algorithms are intended to detect straight lines in the analog pre-image. These approaches arc analyzed and compared in terms of the relation between the achievable resolution and the required number of accumulators, using a definition of resolution that is based on the Geometric...
A checker for a constraint on a variable sequence can often be compactly specified by an automaton, possibly with accumulators, that consumes the sequence of values taken by the variables; such an automaton can also be used to decompose its specified constraint into a conjunction of logical constraints. The inference achieved by this decomposition in a CP solver can be boosted by automatically ...
In this work we demonstrate that the distributed key certification accumulator based protocol proposed in [1] works well on low-power and memory constrained devices such as WSN430 and MB851 sensors. We observed that in large-scale sensor networks, accumulators based on elliptic curve cryptography (ECC) are much more convenient to use than secure Bloom filters because of their larger memory foot...
This work introduces the most efficient universal accumulator known today. For the first time, we have an accumulator which does not depend on hidden order groups, does not require any exponentiations in the target group associated with the pairing function, and only requires two pairings to verify a proof-of-knowledge of a witness. We present implementations of our accumulator and another rece...
Based on the energy flow analysis method, this paper establishes relationship between heat accumulator and thermal system from perspective of transfer. Different types accumulators are converted into different equivalent models based flow, existing sneak circuit methods optimized, starting point end path search redefined. The flow-based correlation method proposed in is applied to a with two ac...
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