II. Mas‘ud-i-Sa‘d-i-Salman

Can I solve my structure by SAD phasing? Anomalous signal in SAD phasing

A key challenge in the SAD phasing method is solving a structure when the anomalous signal-to-noise ratio is low. A simple theoretical framework for describing measurements of anomalous differences and the resulting useful anomalous correlation and anomalous signal in a SAD experiment is presented. Here, the useful anomalous correlation is defined as the correlation of anomalous differences wit...

I. Ii. Amitai Etzioni

the intraeconomic specifications of the concept. The present effort attempts to modify the concept by concentrating upon the interface between economic and social conditions. It assumes that competition is not self-sustaining; hence, its very existence, as well as the scope of transactions organized by it, depends upon contextual factors, the "capsule," within which competition takes place. Bot...

Photosystems I and II

Within the thylakoid membranes of the chloroplast, are two photosystems. Photosystem I optimally absorbs photons of a wavelength of 700 nm. Photosystem II optimally absorbs photons of a wavelength of 680 nm. The numbers indicate the order in which the photosystems were discovered, not the order of electron transfer. Under normal conditions electrons flow from PSII through cytochrome bf (a membr...

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I I I 1 1 I I I Ii I I I I 1 I I I 1 I Fault and Error Latency under Real Workload - an Experimental Study