Results 261 to 270 of about 459,585 (315)
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The Journal of the Acoustical Society of America, 1992
A shock testing apparatus for simulating pyrotechnic shocks comprises an elongate bar suspended for movement in a longitudinal direction, and a pendulum hammer suspended for impact with one end of the bar to excite it into longitudinal resonance.
Leland K. Shannon +2 more
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A shock testing apparatus for simulating pyrotechnic shocks comprises an elongate bar suspended for movement in a longitudinal direction, and a pendulum hammer suspended for impact with one end of the bar to excite it into longitudinal resonance.
Leland K. Shannon +2 more
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Environmental engineering Grade A Shock Tests
PLANS 2004. Position Location and Navigation Symposium (IEEE Cat. No.04CH37556), 2003This paper can help provide better insight to the rationale behind one of the important and critical destructive tests: the Environmental Shock Test One may ask, why build a highly functional working model or system and then subject it to severe harsh blows?
J.D. Rosario, S. Murphy
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Chirp Shock Test Machine: A Laboratory-Based Shock Test Tool
2006Abstract : This document describes the Chirp Shock Test Machine and demonstrates that this shock test tool has the potential to enhance the Navy's current shock-test program. The operational effectiveness of the Fleet would be improved while at the same time significant savings in personnel and equipment costs for shock testing and verification would ...
Patricia F. Hnat +4 more
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Dopexamine Test in septic shock with hyperlactatemia
Annales Françaises d'Anesthésie et de Réanimation, 2010To evaluate the 6 hours haemodynamic effects of dopexamine (DPX) infusion in septic shock patients with persistent hyperlactatemia treated with high dose of norepinephrine (NE).Preliminary, prospective, uncontrolled study.Twenty-one septic shock with NE>0.5 μg/kg/min, venous mixed oxygen saturation (ScvO(2)/SvO(2))>70%, cardiac index (CI)>3.5 l/min/m(2)
N, Mayeur +7 more
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Journal of the American Ceramic Society, 1955
Practical experience has shown that thermal shock tests do not lead to generally useful test data. This is probably due to the fact that thermal shock failure is a complicated function of the external thermal shock conditions and of the temperature functions of five different material properties.
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Practical experience has shown that thermal shock tests do not lead to generally useful test data. This is probably due to the fact that thermal shock failure is a complicated function of the external thermal shock conditions and of the temperature functions of five different material properties.
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Thermal Shock Tests and Thermal Shock Parameters for Ceramics
Journal of the Korean Ceramic Society, 2012Thermal shock test methods and thermal shock parameters for ceramics were reviewed from the following viewpoints: (1) The test methods should be based on the precise estimation of both temperature and thermal stress distributions in a specimen taking into account the temperature-dependent thermo-mechanical properties; (2) The thermal shock parameters ...
Hideo Awaji, Seong-Min Choi
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SAE Technical Paper Series, 1962
<div class="htmlview paragraph">This paper reviews various factors of significance in the shock testing of equipment and discusses the damage process in equipment subjected to shock. Analysis of various shock motions and the resulting responses of equipment to indicate requirements of a shock testing machine for simulating various types of shock ...
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<div class="htmlview paragraph">This paper reviews various factors of significance in the shock testing of equipment and discusses the damage process in equipment subjected to shock. Analysis of various shock motions and the resulting responses of equipment to indicate requirements of a shock testing machine for simulating various types of shock ...
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Academic Therapy Quarterly, 1966
A structured program to assist the student in developing a more normal, habitual response with stress ...
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A structured program to assist the student in developing a more normal, habitual response with stress ...
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Instrumentation for Shock Testing
SAE Technical Paper Series, 1962<div class="htmlview paragraph">The measurement of transient motion, with emphasis on acceleration determinations, is discussed in this paper on shock testing. Frequency response requirements are described in relation to accelerometers and galvonometer recorders and filters.
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Performance Testing of Shock Absorbers
SPE Annual Technical Conference and Exhibition, 1986Abstract For a better understanding and evaluation of shock absorber performance, detailed data upon their relevant physical parameters, such as spring characteristics and energy dissipation properties, have been measured in a test jig.
E. Skaugen, A. Kyllingstad
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