[1] We examine the differences between observed stratospheric vertical wave reflection and wave absorption events, which differ in that the wave-induced deceleration remains confined to upper levels in the former. The two types of events signify two types of stratospheric winter dynamics, associated with different downward coupling to the troposphere. Using time-lagged composites, we find that ...

This paperpresents a new approach for consistently caching dynamic Web data in order to improve performance. Our algorithm, which we call Data Update Propagation (DUP), maintains data dependence information between cached objects and the underlying data which affect their values in a graph. When the system becomes aware of a change to underlying data, graph traversal algorithms are applied to d...

conclusions the levels of knowledge and skill among iranian physicians on major topics of sports and exercise medicine are low to medium. gps and interns are the first line of patient management so our findings suggest adding some sports medicine related topics into curriculum of medical doctors. materials and methods a cross-sectional study was performed in 2009 to determine the knowledge rega...

Weeds are commonly found in bermudagrass turf during the winter and early spring throughout the Southeastern United States whether this turf is used for lawns, parks, athletic fields or golf courses. Mild winter temperatures favor rapid growth of these annuals. When bermudagrass goes dormant in the fall after the first killing frost, it does not compete with germinating winter weeds. Bermudagra...

Capsule The wintering area of the nominate subspecies of Lesser Black-backed Gull Larus fuscus fuscus is from Ethiopia across Uganda and the Congo basin to the Atlantic, while L. f. intermedius and L. f. graellsii winters in westernmost Africa. Aims To clarify the wintering distributions of the subspecies of Lesser Black-backed Gull. Methods We compiled, mapped, and analyzed available data on r...

The word “pumpkin” is derived from the Latin word pepo, which is a botanical term for fruit with a hard rind and fleshy interior. The commonly used scientific name for pumpkins is Cucurbita pepo. But some other cucurbits, such as Cucurbita moschata (e.g., ‘Dickenson’ and ‘Libby Select’, known as processing pumpkin) (Figure 1, B) and Cucurbita maxima, which are winter squash, are also known as p...

Rural sports is one of important part in Chinese sports, it affects Chinese sports overall development at every turn. In current stage, Chinese rural sports have many problems, insufficient investment, and imperfect structure, non-deepen sports awareness and others are factors restrict its development, so research on rural sports optimization countermeasures has become presently Chinese rural s...

a review of studies about sports privatization indicates that almost allcountries in the world have paid considerable attention to the role and thesignificance of sports privatization. however, it should be noted that thereare not only one or two factors influencing sports privatization. the mainissue is that sports privatization especially for football clubs cannot beeffective without the exis...