It has been demonstrated that a "near-Levinthal" cooperative mechanism, whereby the common Gō interaction scheme is augmented by an extra favorability for the native state as a whole, can lead to apparent two-state folding/unfolding kinetics over a broad range of native stabilities in lattice models of proteins. Here such a mechanism is shown to be generalizable to a simplified continuum (off-l...

Balanced regional cross sections based on surface, seismic, and subsurface data show that the thin-skinned fold-and-thrust belt in Rocky Mountain Foothills of Kakwa area central Canadian Rockies consists a lower buried thrust developed Paleozoic Triassic strata an upper exposed faulted fold Jurassic to Cretaceous strata. Changes wavelength, amplitude, geometry with stratigraphic level indicate ...

zipper braced frames are an innovative bracing system for steel structures. conventional inverted-v-braced frames exhibit a design problem arising from the unbalanced vertical force generated by the lower story braces when one of them buckles. this adverse effect can be mitigated by adding zipper columns or vertical members connecting the intersection points of the braces above the first floor....

The construction of an information model the processes gear processing hardened large-modular chevron gears is one stages control technological structure and parameters automation design process. Taking into account principles classification, automated process considered as a object, consisting number objects: initial material (input object); environment (process conditions); wheel (output quan...

Chevron Corp. (NYSE: CVX) is one of the market leads energy oil and gas industry. The company primarily consists two parts: upstream downstream. responsible for producing, processing, transporting crude oil, while downstream operations includes refining it into petroleum products, manufacturing marketing commodity to world. This paper mainly use SWOT analysis comprehensively access its stock pe...

We present a new and innovative way of determining the oxygen level of Earth’s past atmosphere by directly measuring inclusion gases trapped in halite. After intensive screening using multiple depositional, textural/fabric, and geochemical parameters, we determined that tectonically undisturbed cumulate, chevron, and cornet halite inclusions may retain atmospheric gas during crystallization fro...

Abstract In 2011, lawyers for the Chevron Corporation filed a civil suit against an aqueous geochemist under federal racketeering and corruption laws. They claimed that her colleagues had ghostwritten significant portions of report attributed to court-appointed expert in Ecuador, although accusation was subsequently withdrawn. The original case addressed environmental impact Chevron’s operation...

Professor Lars Noah deserves much credit for exposing some of the myriad ways in which the Food and Drug Administration (FDA) has consistently sought to expand its authority through questionable, and perhaps in some cases abusive, legal practices.1 As Professor Noah observes, there are signs that the federal courts’ century-long honeymoon with the FDA may be ending2—and perhaps the FDA never de...

Oblique contours sloping at 30 degrees with respect to the horizontal were presented alone, in combination to form chevrons, or with a vertical line to form arrowhead or Y patterns; they were projected onto a screen in the frontal parallel plane and viewed from positions that gave viewing angles of 90 degrees (normal to the screen's surface), 53 degrees, or 34 degrees. The perceived orientation...