BACKGROUND Vitamin D insufficiency, which is prevalent in older individuals, is associated with bone and muscle weakness and falls. OBJECTIVE We examined the effects of a weekly dose of 8400 IU vitamin D(3) on postural stability, muscle strength, and safety. DESIGN In this double-blind trial, subjects aged > or =70 y with serum 25-hydroxyvitamin D [25(OH)D] concentrations < or =20 but > or ...

CORRESPONDENCE: B. Van de Maele, Respiratory Division, Henri Serruys Hospital, Kaı̈rostraat 84, B-8400 Oostende, Belgium. Fax: 32 59555792. E-mail: [email protected] *Respiratory Division, Dept of Surgery, and Dept of Pathology, Henri Serruys Hospital, and Torhoutsesteenweg 51, B-8400, Oostende, Belgium. Eur Respir J 2005; 25: 768–770 DOI: 10.1183/09031936.05.00110904 Copyright ERS...

Sediment records of highly variable mercury inputs to mountain lakes in Patagonia during the past millennium S. Ribeiro Guevara, M. Meili, A. Rizzo, R. Daga, and M. Arribére Laboratorio de Análisis por Activación Neutrónica, Comisión Nacional de Energı́a Atómica, Centro Atómico Bariloche, 8400 Bariloche, Argentina Department of Applied Environmental Science, Stockholm University, 10691 Stockholm...

The AlphaServer 8400 and the AlphaServer 8200 are Digital's newest high-end server products. Both servers are based on the 300-MHz Alpha 21164 microprocessor and on the AlphaServer 8000-series platform architecture. The AlphaServer 8000 platform development team set aggressive system data bandwidth and memory read latency targets in order to achieve high-performance goals. The low-latency crite...

bines a 2-gigabyte-per-second (GB/s) multiprocessor bus with the latest Alpha 21164 64-bit microprocessor. Between October and December 1995, an AlphaServer 8400 multiprocessor system running the 64-bit Digital UNIX operating system achieved unprecedented results on the Transaction Processing Performance Council’s TPC-C benchmark, surpassing all other single-node results by a factor of nearly 2...

Article history: Received: 08.11.2013. Received in revised form: 12.01.2013. Accepted: 14.01.2014. The grinding roller shaft is a key part of the grinding roller. It has a step-shaped shaft with different round cross-sections and 1850 mm × 1110 mm rectangular cross-section. If the general method of free forging is used, the upsetting diameter of ingot will reach 2900 mm, and 8400 t hydraulic pr...