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Background Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the world. In 2010, a goal released by the American Heart Association (AHA) Committee focused on the primary reduction in cardiovascular risk. Methods Data collected from 7683 men and 7667 women aged 18–69 years were analyzed. The distribution of ideal cardiovascular health metrics based on 7 cardiovascular...
This paper presents a novel high temperature SOI pressure sensor utilizing Cu-Sn wafer level bonding. Fabrication process and bonding procedure are described in detail. For high temperature operation, heavily doped piezoresistors and TiSi2/Ti/ TiN/Pt/Au ohmic contact electrode are specially designed. To fabricate Cu sealing ring on the wafer with 380pm-deep cavities, spray coating method has been...
This paper reports a silicon-silicon anodic bonding process based on embedded glass. We successfully embedded glass into patterned silicon groove by fusion treatment and bonded it with another silicon wafer by anodic bonding process. This process realizes the precise control of bonding pattern and the depth of the bonding gap without electrical connection between two silicon wafers. Tension test result...
In order to study the performance of jet flushing, many indoor and field experiments were conducted by using a self-developed self-excited inspiratory (or non-aspirating) pulsed jet nozzle-deep water simulation test system and shipborne flushing system. The results indicated that self-excited inspiratory pulsed liquid-gas jet nozzle is better than self-excited pulsed jet nozzle in starting sediment...
The purpose of this paper is to compare the spurting characteristic of the self-excited inspiration pulsed jet nozzle (SEIPJN) which was proposed by the author with self-excited pulsed jet nozzle (SEPJN) under submerged conditions. Based on a detailed experimental measurement for the impact pressure of two nozzles under different working pressure and confining pressure, the erosion mechanism of low-pressure...
Large eddy simulation (LES) combined with Schnerr-Sauer (S-S) cavitation model were employed to study three-dimensional flow structure of submerged jet with high Reynolds number in an axis-symmetric cavity. The Reynolds number of working jet is Re = 2 × 105 and cavitation number is σ = 0.59 in measuring point of experiment. The computational result shows good agreement with experimental results. Compared...
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