نتایج جستجو برای: surface stabilization
تعداد نتایج: 683280 فیلتر نتایج به سال:
Direct control of protein level enables rapid and efficient analyses of gene functions in crops. Previously, we developed the RDDK-Shield1 (Shld1) system in the model plant Arabidopsis thaliana for direct modulation of protein stabilization using a synthetic small molecule. However, it was unclear whether this system is applicable to economically important crops. In this study, we show that the...
We use the thermodynamic model introduced by Aptekar’ and Ponyatovskiy for the – transformation in cerium metal to study the properties f plutonium metal. The model describes the – transformation in Pu and explains the minimum in the melting versus pressure curves for both aterials. Ga stabilization of the -phase of Pu is explained in terms of a first order transition between the two phases. Th...
We propose a massless nonminimally coupled scalar field as a mechanism for stabilizing the size of the extradimension in the Randall-Sundrum I scenario. Without needing to introduce self interactions terms we obtain a potential for the modulus field that sets the size of the fifth dimension. The minumum of this potential yields appropriate values of the compactification scale for small values o...
We report the observation of the electrochemically generated nitrenium ions of 4,4'-dimethyoxydiphenylamine and di-p-tolylamine in solution by mass spectrometry. This setup takes inspiration from desorption electrospray ionization mass spectrometry to sample directly from the surface of a rotating waterwheel working electrode for mass spectrometric analysis. Detection of the 4,4'-dimethyoxydiph...
2.4. Sol-Gel Reactions 2070 2.5. Polyol Methods 2071 2.6. Flow Injection Syntheses 2071 2.7. Electrochemical Methods 2071 2.8. Aerosol/Vapor Methods 2071 2.9. Sonolysis 2072 3. Stabilization of Magnetic Particles 2072 3.1. Monomeric Stabilizers 2072 3.1.1. Carboxylates 2073 3.1.2. Phosphates 2073 3.2. Inorganic Materials 2073 3.2.1. Silica 2073 3.2.2. Gold 2074 3.3. Polymer Stabilizers 2074 3.3...
In this paper we present some theoretical results of the possibilities for controlling a given chaotic system using the (occasional proportional feedback) OPF method. It is usually claimed that the OPF method can be used only if the return map is almost one{dimensional and that the OPF control lacks a theoretical background for the choice of the feedback gain. We show how to nd the gain value f...
In this paper, we address 3D image stabilization using a framework for the estimation of scene structure from a monocular motion field. We show that our algorithm rapidly and accurately determines the focus of expansion(FOE) in an optical flow field. This involves computing the least squareserror of a large system of equations without actually solving the equations, to generate an error surface...
[1] Studies attempting to constrain climate sensitivity, or equilibrium surface warming in response to a doubling of atmospheric carbon dioxide, by comparing models with observations report a wide range of distributions, particularly regarding the upper bound. There is, by contrast, a considerable consensus surrounding the transient climate response, in large part because it is directly related...
A kinetics study of the CO+NO reaction over Pd has been carried out using single-crystal, model planar-supported, and conventional high-surface-area Pd/Al2O3 catalysts. A pronounced structure sensitivity is evident that results in a rate enhancement over the Pd(111) single crystal relative to the more open (100) and (110) faces, and for larger supported particles relative to smaller ones. Tempe...
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