John A. Walker, Ph.D. July 25, 1952 to August 1, 2003

Resources for evidence-based practice, July/August 2003 journal reviews.

This column highlights new resources that clarify knowledge about effects of specific practices in maternal/newborn and women's health. The focus is on new and recently updated systematic reviews and overviews of best research evidence. The column identifies recent additions to three major evidence-based databases: • Cochrane Database of Systematic Reviews (CDSR) uses a standardized method to r...

Sir John McMichael - 25 July 1904--3 March 1993.

John Walker Barber-Lomax

John Walker Barber-Lomax, always known to family and friends alike as Jack, and to colleagues as B-L, died on 13 April. He was born on 4 December 1914, near Bolton, Lancashire. After Charterhouse and Caius College, Cambridge, he proceeded to St Thomas' Hospital for a medical training but changed course and went up to the Liverpool veterinary school where he took the Golding prize in veterinary ...

Wind Turbine Field Testing of State-Space Control Designs: August 25, 2003--November 30, 2003

This report investigates the application of advanced pitch control algorithms on a 600-kW variable-speed, variablepitch wind turbine known as the Controls Advanced Research Turbine (CART). A design approach is outlined to test both time-invariant and periodic control methods for fatigue load reduction over all operating wind speeds. Practical implementation issues are identified and addressed. ...

Simazine Analysis of Risks to Endangered and Threatened Salmon and Steelhead July 25 , 2003

Simazine is a selective herbicide used on various crops and non-crop sites. It is slightly to moderately toxic to fish and aquatic invertebrates, and it is highly toxic to aquatic vascular plants. Modeling of potential simazine estimated environmental concentrations (EECs) indicates that with the highest application rates, the most vulnerable soils, and a very high runoff potential, the upper t...