نتایج جستجو برای: through which mechanism
تعداد نتایج: 4538565 فیلتر نتایج به سال:
We propose an action selection mechanism (ASM) for situated and cognitive multi-agent systems authorizing a large variety of behaviours. Our action selection allows, first, the management of several goals with dynamic priorities. Second, it enables the possibility for the agent to be temporarily diverted from its main goal in order to achieve a secondary goal promoted by the environment. Third,...
The enzymatic degradation of plant cell walls is an important biological process of increasing environmental and industrial significance. Xylan, a major component of the plant cell wall, consists of a backbone of β-1,4-xylose (Xylp) units that are often decorated with arabinofuranose (Araf) side chains. A large penta-modular enzyme, CtXyl5A, was shown previously to specifically target arabinoxy...
Human tumors may contain high concentrations of ascorbic acid, but little is known about how they acquire the vitamin. Certain specialized cells can transport ascorbic acid directly through a sodium ascorbate cotransporter, but in most cells, vitamin C enters through the facilitative glucose transporters (GLUTs) in the form of dehydroascorbic acid, which is then reduced intracellularly and reta...
What are the technologies that will transform business and drive the research agenda for the IS field in the years to come? Which innovations, platforms, and paradigms will become dominant, and which others will ultimately pass into obscurity? In this panel discussion, we will seek answers to these questions from those with a unique and unmatched perspective. The leaders who have witnessed the ...
Almost everyone knows that the inner angles of a triangle sum to 180o. But if you ask the typical mathematician how to sum the solid inner angles over the vertices of a tetrahedron, you are likely to receive a blank stare or a mystified shrug. In some cases you may be directed to the Gram-Euler relations for higher dimensional polytopes [3, 4, 6, 7], a 19th century result unjustly consigned to ...
the oxidation of complexes of ti(iii), (til6)3+ (l=ur, meur, dmeur, deture, n-bu-ur, and phur), by iodine as i3- in ethanol and acetonitrile solutions, appears to proceed as a second order reaction and is much faster in ethanol solution (where solvolysis occurs) than in acetonitrile. the enthalpy of activation appears to decrease as ligand's size increases which suggest that the kinetic stabili...
Transient Receptor Potential Vanilloid 4 (TRPV4) is a mechano- and osmosensitive cation channel that is highly expressed in chondrocytes, the cells in cartilage. A large number of mutations in TRPV4 have been linked to skeletal dysplasias, and the goal of this addendum is to shed light on the mechanisms by which mutations in TRPV4 can cause skeletal dysplasias by focusing on 3 recent publicatio...
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