نتایج جستجو برای: critical plane based mode

تعداد نتایج: 3543906  

Journal: :iranian rehabilitation journal 0
morteza oostakhan department of occupational health engineering, faculty of medicine, tarbiat modares university, tehran, iran. amirabbas mofidi department of occupational health engineering, faculty of medicine, tarbiat modares university, tehran, iran. amirhosain davudian talab department of ergonomics, university of social welfare and rehabilitation sciences, tehran, iran.

objectives: behavioral-based safety is a term used to describe the prevention of accidents, injuries and loss in the workplace. an effective behavior-based safety program relies on engaging employees to understand how unsafe behaviors lead to injuries and how to eliminate them from the workplace. this paper examines behavior-based safety program in a massive construction site. methods: for this...

2018
Guillaume Boivin Martin Viens Pierre Belanger

Structural health monitoring is a prominent alternative to the scheduled maintenance of safety-critical components. The nondispersive nature as well as the through-thickness mode shape of the fundamental shear horizontal guided wave mode (SH 0 ) make it a particularly attractive candidate for ultrasonic guided wave structural health monitoring. However, plane wave excitation of SH 0 at a high l...

Journal: :Physical review letters 2014
Robert P Chatelain Vance R Morrison Bart L M Klarenaar Bradley J Siwick

Radio-frequency compressed ultrafast electron diffraction has been used to probe the coherent and incoherent coupling of impulsive electronic excitation at 1.55 eV (800 nm) to optical and acoustic phonon modes directly from the perspective of the lattice degrees of freedom. A biexponential suppression of diffracted intensity due to relaxation of the electronic system into incoherent phonons is ...

Journal: :Sustainability 2022

In order to study the galloping mechanism of ice-covered four-split transmission lines in oblique flows, aerodynamic forces and aero-elastic response characteristics crescent-shaped are investigated through wind tunnel tests on rigid models. According Den Hartog Nigel’s theories, damping coefficients calculated based experimental data. The results show that usually suffer from torsional gallopi...

Journal: :iranian journal of nuclear medicine 2009
ramin sadeghi

as described in the first part of this article, evidence based medicine (ebm) is a growing part of medical practice which emphasizes on the best evidence. finding this evidence by formulating an answerable question and searching strategies were described in the first part of this review. in this part, appraising the retrieved article (with the main focus on the diagnostic studies) and applying ...

Journal: :future of medical education journal 0
naina kumar department of obstetrics and gynecology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india namit kant singh department of otorhinolaryngology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india samar rudra department of obstetrics and gynecology, maharishi markandeshwar institute of medical sciences and research, mullana-133207 ambala, haryana, india

background: simulation teaching means recreating clinical scenario for training / evaluation. aim: to expose postgraduates to simulation / didactic lecture for postpartum hemorrhage (pph) management; to assess which method was more effective. methods: present prospective study was conducted in obstetrics gynecology department of rural tertiary center of northern india.  twenty postgraduates wer...

2016
P. Vélez M. Valero L. Su J. Naqui J. Mata-Contreras J. Bonache

This paper presents common-mode suppressed microstrip differential lines based on chirped electromagnetic bandgaps (EBGs). To achieve common-mode suppression in a wide band, the common-mode impedance is modulated following a sinusoidal chirping, whereas the differential-mode impedance is kept unaltered, thus ensuring that the line is transparent for that mode. The result is a differential line ...

2014
Ameena Nasreen

Sub-threshold is a new paradigm in the digital VLSI design today. In Sub-threshold region, transistors are operated in sub-threshold voltage. This paper examine the Carry Look Ahead (CLA) Adder with dual mode logic (DML)principle, in which gates are operated in sub-threshold regime and comparison of results with Conventional basic Carry look ahead adder . The number of gates in CLA is 5 includi...

2003
R. Ikeda H. Cho M. Takemoto K. Ono

We monitored AEs during micro-indentation and pulse laser spallation test of CVD diamond film deposited on sintered SiC, and classified the fracture type by Lamb wave AE analysis. In the indentation test with a Rockwell sphere indenter, we observed Hertz ring cracks and simultaneously detected AEs from Mode-I fracture. Crack types were classified from polarity distribution of the first arrival ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1387

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