introduction : hospital infections are one of the important reasons of mortality and incurred expenses. therefore, we must control these infections by identifying contamination sources. the aim of this study was the determination of bacterial pollution of corrugated anesthesia sets in surgical rooms. methods: this study was an analytic-description one performed in training hospitals of yazd cit...

We investigate the cross-sectional buckling of multi-concentric tubular nanomaterials, which are called multiwalled carbon nanotubes (MWNTs), using an analysis based on thin-shell theory. MWNTs under hydrostatic pressure experience radial buckling. As a result of this, different buckling modes are obtained depending on the inter-tube separation d as well as the number of constituent tubes N and...

To explore the mechanical properties of braided corrugated hose, space curve parametric equation tube is deduced, specific to structural features tube. On this basis, equivalent model proposed based on same axial stiffness in order improve calculational efficiency. The geometric and Finite Element Model DN25 hose established. numerical simulation results are analyzed, distribution stress fricti...

This work is focused on the finite element study of the energy absorbing behavior of aluminum (corrugated webs). The aim is to study the mechanism of energy absorption in specific metallic structures by understanding these mechanisms. The sine wave web (or corrugated web) structural component constructed of aluminum has been chosen as the specific structural element for this study. The sine wav...

The device consists of four parts (Fig 1). The disposable mouthpiece (Inspiron No. 001200) fits into one end of a 6inch corrugated tube (Hudson Corr-A-Tube II, No. 1410). The other end of this tube is coupled to a connector (BardParker oxygen hose connector No. 5002) via a 22 X 22-mm adapter (Bard-Parker No. 5095). This connector fits snugly onto the male hub of the rubber tubing of most commer...

Corresponding author: Junyong In, M.D., Department of Anesthesiology and Pain Medicine, Dongguk University Ilsan Hospital, 814, Siksadong, Ilsandong-gu, Goyang 410-773, Korea. Tel: 82-31-961-7875, Fax: 82-31-961-7864, E-mail: [email protected] This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http:// creativecommons.org/lice...