نتایج جستجو برای: l0 phenanthroline
تعداد نتایج: 5804 فیلتر نتایج به سال:
Objectives Due to the rapid increased drug resistance to Plasmodium parasites, an urgent need to achieve new antiplasmodial drugs is felt. Therefore, in this study, the new synthetic phenanthroline derivatives were synthesized with antiplasmodial activity. Materials and Methods A series of 1,10-phenanthroline derivatives containing amino-alcohol and amino-ether substituents were synthesized v...
We study the stability of the system of the Euler equations in the neighborhood of the stationary solution associated with the quasi isobaric profile in a gravity field. This situation corresponds to a Rayleigh-Taylor type problem with a smooth base density profile which goes from 0 to ρa (of Atwood number A = 1) given by the ablation front model with a thermal conductivity exponent ν > 1. This...
The advantages of adaptivity and feedback are of immense interest in signal processing and communication with many positive and negative results. Although it is established that adaptivity does not offer substantial reductions in minimax mean square error for a fixed number of measurements, existing results have shown several advantages of adaptivity in complexity of reconstruction, accuracy of...
Lipoprotein lipase (LPL) is the rate-limiting enzyme for the import of triglyceride-derived fatty acids by muscle, for utilization, and adipose tissue (AT), for storage. Relative ratios of LPL expression in these two tissues have therefore been suggested to determine body mass composition as well as play a role in the initiation and/or development of obesity. To test this, LPL knockout mice wer...
Penalized least squares procedures that directly penalize the number of variables in a regression model (L0 penalized least squares procedures) enjoy nice theoretical properties and are intuitively appealing. On the other hand, L0 penalized least squares methods also have significant drawbacks in that implementation is NP-hard and computationally unfeasible when the number of variables is even ...
The alcohol dehydrogenase crystallized from horse liver contains 2 atoms of zinc per molecule and the activity of this enzyme is inhibited by metal-binding agents (1, 2). The inhibition of liver alcohol dehydrogenase by one of these agents, 1, IO-phenanthroline, differs from that which is observed when the alcohol dehydrogenase isolated from yeast is exposed to 1, lo-phenanthroline (3). The liv...
Consider a family of random ordinary differential equations on a manifold driven by vector fields of the form ∑ k Ykαk(z t (ω)) where Yk are vector fields, is a positive number, z t is a 1 L0 diffusion process taking values in possibly a different manifold, αk are annihilators of ker(L0). Under Hörmander type conditions on L0 we prove that, as approaches zero, the stochastic processes y t conve...
Proof. It would be easy to obtain these properties from the matrix form of U constructed in Sec. I.5.2, but we prefer to give a direct proof, independent of the particular realization of U . Part (i): To prove that L and L∗ are wandering subspaces, it suffices to show that UL0 ⊥L0 and UL0 ⊥ L0 for n = 1,2, . . .; by reason of symmetry it even suffices to consider one of these cases, say that of...
We consider the following family of equations: ut = 2uuxxx − uxuxx + 2kuux. Here k 6= 0 is a constant and x ∈ [−L0, L0]. We demonstrate that for these equations: (a) there are compactly supported traveling wave solutions (which are in H) and (b) the Cauchy problem (with H initial data) possesses a weak solution which exists locally in time. These are the the first degenerate dispersive evolutio...
Proof. It would be easy to obtain these properties from the matrix form of U constructed in Sec. I.5.2, but we prefer to give a direct proof, independent of the particular realization of U . Part (i): To prove that L and L∗ are wandering subspaces, it suffices to show that UL0 ⊥L0 and UL0 ⊥ L0 for n = 1,2, . . .; by reason of symmetry it even suffices to consider one of these cases, say that of...
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