نتایج جستجو برای: rectification
تعداد نتایج: 4550 فیلتر نتایج به سال:
We investigate possible causes of molecular rectification in electrode−molecule− electrode junctions. By using a simple model and simulated conductance histograms, we show that a molecular bias drop is responsible for rectification; conversely, asymmetric molecule−electrode couplings do not directly result in rectification. Instead, the degree of coupling (a)symmetry can be observed in the line...
2.
Two of the important stages in the production of maps from remotely sensed imagery are rectification and classification. Residual geometric errors following rectification produce a “component” of the apparent classification error. Hence, besides being of value in its own right, reduction of the rectification error will enhance the quality of the classification stage, and the classification accu...
Inward-rectifier potassium channels (Kir channels) stabilize the resting membrane potential and set a threshold for excitation in many types of cell. This function arises from voltage-dependent rectification of these channels due to blockage by intracellular polyamines. In all Kir channels studied to date, the voltage-dependence of rectification is either strong or weak. Here we show that in ca...
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