Ref.[1] was to present a simple, nonempirical derivation of a simplified generalized gradient
approximation (GGA) for the exchange-correlation energy of density functional theory. …

Background Coronavirus disease 2019 (COVID-19) is a disease caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), first detected in China in December, 2019. …

At the system level, Phase 1 required the identification of advanced scientific research and
engineering concepts to identify viable integration pathways to meet Phase 2 objectives. The …

Conspectus The structures of membrane-bound polypeptides are intimately related to their
functions and may change dramatically with the lipid environment. Circular dichroism (CD) is …

Change is a constant in today′ s organizations. Leaders, managers, and employees must
understand how to implement planned change and handle unexpected change. The Sixth …

Background C-phycocyanin (C-PC), a blue-colored natural pigment, is Spirulina's most
crucial photosynthetic protein, and it is associated with this cyanobacteria's bioactivity. Many …

Master the modern discipline of Organizational Development (OD), and use it to plan and
drive effective change. Organization Development, Third Edition is today's complete overview …

Many of the qualitative research methods developed in the social sciences are well suited
to explore research questions pertinent for the systemic field, and make a good fit with …

A new edition of this best-selling collection of essays by leading experts on historical methodology.
Since its first publication in 1992, New Perspectives on Historical Writing has become …

Background Limited data is available for investigating the long-term safety and effects of
intracoronary progenitor cell therapy in patients with acute myocardial infarction (AMI). Objective …