We address the capability of large eddy simulation (LES) to predict physics density currents interacting with bluff obstacles. Most interest in engineering and geophysical applications interact obstacles or topographic features. Validating LES solutions these contexts is crucial establish it as a trusted tool. thus propose validation effort based on simple geometries that nonetheless pose chall...

In this paper, by analyzing the characteristics of data exchange process of SaaS-based collaboration supporting platform for industrial chain, a dynamic and secure business data exchange model for the platform is established. On this basis, methods for business data automatic obtain and format conversion, client authentication based on encryption lock and SOAP extension, business data encryptio...

NMR relaxation methods probe biomolecular motions over a wide range of timescales. In particular, the rotating frame spin-lock R(1ρ) and Carr-Purcell-Meiboom-Gill (CPMG) R(2) experiments are commonly used to characterize μs to ms dynamics, which play a critical role in enzyme folding and catalysis. In an effort to complement these approaches, we introduced the Heteronuclear Adiabatic Relaxation...

O software poses a serious challenge to proprietary software vendors. “Lock in customers” seems a tempting strategy for proprietary software vendors, who attempt to lock in customers by creating switching costs. This paper examines whether such a lock-in strategy will indeed benefit proprietary software vendors facing competition from open-source software, who can credibly commit future prices....

Abstract Building barriers to lock in customers and improving the affective customer experience are two key strategies employed by firms enhance retention. Although pursuing same goal, these work differently: former relies more on a calculative, cost–benefit approach exchange, while latter promotes aspects of relationship. Integrating experiential learning theory with social exchange theory, we...

We present measurements of mixing efficiency in a run-down gravity current created by lock exchange in a channel. Experiments were designed to extend to particularly high Reynolds number (of order 10, based on the current depth), at which mixing is no longer affected significantly by viscosity. Under these conditions, we observe that the run-down density profiles in the channel achieve full sel...