INTRODUCTION High salt intake is a major risk factor related to many cardiovascular and renal diseases. World Action on Salt and Health is a newly formed coalition of heath professionals whose goal is to implement changes in salt consumption in their respective countries for the goal of reducing blood pressure. In the same vein, we have decided to study the amount of salt intake in Paraguay to ...

Abstract Most modern aircraft engines rely on the use of high Bypass Ratios (BPR) turbofans to achieve both thrust and low specific fuel consumption. However, such configurations are prone formation ground vortices during low-speed operations. This phenomenon arises under combinations wind direction, velocity or inlet air speed, generating engine vibrations leading suction damaging abrasive par...

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Minke whales (Balaenoptera acutorostrata) are the smallest member of balaenopterid whales and little is known of their kinematics during feeding maneuvers. These whales have narrow and elongated flippers that are small relative to body size compared to related species such as right and gray whales. No experimental studies have addressed the hydrodynamic properties of minke whale flippers and th...

The effects of condensation of the world.ng gee (nitrogen) on pitot and static pressures in the R.A.R.D.E. hypersonic gun tunnel have been examined and the onset of condensation determined for flow Mach numbers of 8.4, 10.4 and 12.9. A large degree of supersaturation was observed at the two higher Maoh numbers. Symbols M flow Mach number P statio pressure P 1 stagnation pressure p2 pitot pressu...

Abstract The CFD model of the train-tunnel system, previously developed on proven analytical dependencies, is improved by introduction a tunnel cross-passage and consideration surface roughness. These additions bring simulation setup closer to real conditions allowing explore FDS features in evaluation aerodynamic effects occurring tunnel. Pressure velocity patterns are obtained for resulting h...

BACKGROUND Initial findings from the Dietary Approaches to Stop Hypertension (DASH)-Sodium Trial demonstrated that reduction of sodium intake in two different diets decreased blood pressure in participants with and without hypertension. OBJECTIVE To determine effects on blood pressure of reduced sodium intake and the DASH diet in additional subgroups. DESIGN Randomized feeding study. SETT...

Finite element technique is used to model two phases of tunneling process, namely; excavation and rocklining interaction. The excavation phase is responsible for determining the pre-lining rock mass deformations and the reduced in-situ stresses. The interaction phase models the compatibility of the rock-lining system. The deformations and stresses of the rock-lining system and the final rock ma...

BACKGROUND Few studies have examined whether dietary factors might affect blood pressure in children. We purposed to investigate whether seaweed intake is associated with blood pressure level among Japanese preschool children. METHODS The design of the study was cross-sectional and it was conducted in autumn 2006. Subjects were healthy preschoolers aged 3-6 years in Aichi, Japan. Blood pressu...

Associations between self-reported average daily alcohol intake and blood pressure were assessed in 5031 black and white men and women ages 18-30 from the Coronary Artery Risk Development in Young Adults Study (CARDIA). In general, intake was positively but weakly related to both systolic and diastolic blood pressure. Associations with systolic pressure were generally stronger than those with d...