Results 271 to 280 of about 459,585 (315)
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Vibration and shock testing for computers
Annual Proceedings on Reliability and Maintainability Symposium, 2002A summary is presented of work done at IBM from the 1960s to the present in which vibration and shock testing was used to help increase product reliability. Development of test levels and techniques, improvements achieved, integration of testing into the design cycle, and acceptance by management are discussed.
R.A. Frey, G.J. Ratchford, B.E. Wendling
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Sawtooth Shock as a Component Test
The Journal of the Acoustical Society of America, 1956The shock effect of a terminal-peak sawtooth of acceleration obtained by a drop onto a lead pellet has been investigated experimentally using the shock spectrum as the criterion of severity. It is shown that this spectrum obtained by analysis of the acceleration-time data can be made to approximate closely over a wide frequency range that obtained ...
Charles T. Morrow, Homer I. Sargeant
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Proceedings of IADC/SPE Drilling Conference, 1998
Abstract Shock subs are often used when drilling hard rock to reduce the affect of axial vibrations created by roller cone bits, but their affect on lateral vibrations is not well known, thus a series of downhole experiments were conducted at Amoco's Catoosa Testing Facility to evaluate commonly used shock sub ...
T.W. Warren +3 more
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Abstract Shock subs are often used when drilling hard rock to reduce the affect of axial vibrations created by roller cone bits, but their affect on lateral vibrations is not well known, thus a series of downhole experiments were conducted at Amoco's Catoosa Testing Facility to evaluate commonly used shock sub ...
T.W. Warren +3 more
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Thermal shock tests on beryllia
Journal of Nuclear Materials, 1964Abstract The thermal shock resistance of beryllia was investigated by quenching thin disc specimens into liquid media. Specimens were quenched into water at 25° C, liquid metal over the temperature range from 140° N to 500° C, and molten salt over the range from 160° N to 630° C.
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Shock Response Spectrum Testing With Shock Machine
2019Transient mechanical shocks cause dynamic stress in structures which results in defect or malfunction of exposed devices. A shock response spectrum (SRS) is used for characterizing an acceleration response of linear single degree of freedom system to these shocks.
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Milrinone as Compared with Dobutamine in the Treatment of Cardiogenic Shock
New England Journal of Medicine, 2021Rebecca Mathew +2 more
exaly
Tests on a shocking device—the stun gun
Medical & Biological Engineering & Computing, 1989O Z, Roy, A S, Podgorski
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Electric Shock Therapy and the Mecholyl Test
Psychosomatic Medicine, 1957E J, LOTSOF, J, YOBST
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Restriction of Intravenous Fluid in ICU Patients with Septic Shock
New England Journal of Medicine, 2022Tine Sylvest Meyhoff +2 more
exaly