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Articles 44341 - 44370 of 50088
Full-Text Articles in Entire DC Network
Theoretical And Experimental Investigation Of A Single-Stage Positive Displacement Compressor Work Processes With A Two-Phase Working Medium, P. I. Plastinin, V. E. Scherba, A. N. Cabakow
Theoretical And Experimental Investigation Of A Single-Stage Positive Displacement Compressor Work Processes With A Two-Phase Working Medium, P. I. Plastinin, V. E. Scherba, A. N. Cabakow
International Compressor Engineering Conference
No abstract provided.
Relationship Between Pulse-Wave Velocity And Arterial Elasticity, F J. Callaghan, L A. Geddes, Charles F. Babbs, J D. Bourland
Relationship Between Pulse-Wave Velocity And Arterial Elasticity, F J. Callaghan, L A. Geddes, Charles F. Babbs, J D. Bourland
Weldon School of Biomedical Engineering Faculty Publications
Pulse wave velocity (PWV) was measured in situ in 11 isolated canine common carotid arteries. Seven arteries exhibited a linear PWV vs. pressure function at pressures ranging from 0 to 200 mmHg. Four arteries yielded a linear relationship between PWV and pressure between 1 and 100 mmHg; for these vessels the relationship was nonlinear at higher pressures. Seven arteries (five from the group which was linear up to 200 mmHg and two from the group which was linear up to 100 mmHg) were excised and pressure/volume measurements were made in vivo. Using pressure/volume data, the Moens-Korteweg equation was evaluated as …
Potassium Efflux From Myocardial Cells Induced By Defibrillator Shock, M J. Niebauer, L A. Geddes, Charles F. Babbs
Potassium Efflux From Myocardial Cells Induced By Defibrillator Shock, M J. Niebauer, L A. Geddes, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
A transient, dose-dependent cardiac depression was produced by defibrillator shocks in an isolated, working canine heart preparation perfused with oxygenated arterial blood from a support dog. Accompanying this depression was an efflux of potassium (K+ ), forced out of the myocardial cells by the passage of defibrillating current. The transient increase in extracellular K + concentration was recorded graphically in the venous outflow. It was found that 5-msec rectangular wave shocks, from three to ten times defibrillatory current threshold, released doserelated pulses of K+ . We conclude that because extracellular K + is a myocardial depressant, at least part of …
The Effect Of Carbon Dioxide, Lidoflazine, And Deferoxamine Upon Long Term Survival Following Cardiorespiratory Arrest In Rats, Stephen F. Badylak, Charles F. Babbs
The Effect Of Carbon Dioxide, Lidoflazine, And Deferoxamine Upon Long Term Survival Following Cardiorespiratory Arrest In Rats, Stephen F. Badylak, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
This study examined the effect of carbon dioxide, lidoflazine, and deferoxamine therapy upon the 10-day survival incidence and subsequent neurologic function of rats subjected to 7 min of cardiorespiratory arrest with resuscitation. Cardiac arrest (asystole) was induced at time zero by injection of cold, 1% KCl into the left ventricle of ketamine-anesthetized rats pretreated with succinylcholine. Positive pressure ventilation was discontinued at time zero. Cardiopulmonary resuscitation (CPR) was begun at 7 min, and animals with return of spontaneous circulation were entered into the study. Twenty treated rats were ventilated for 1 h with 7% carbon dioxide-93% oxygen and given lidoflazine …
Abdominal Binding And Counterpulsation In Cardiopulmonary Resuscitation, Charles F. Babbs, William E. Blevins
Abdominal Binding And Counterpulsation In Cardiopulmonary Resuscitation, Charles F. Babbs, William E. Blevins
Weldon School of Biomedical Engineering Faculty Publications
The history and potential of abdominal pressure as an adjunct to standard cardiopulmonary resuscitation (CPR) is reviewed. Abdominal pressure during CPR may be either static or phasic. Static abdominal pressure redirects limited blood flow generated by chest compressions toward the heart and brain, and away from the abdominal organs and lower extremities, thus boosting coronary perfusion pressure. Phasic abdominal pressure applied whenever chest pressure is released, in counterpoint to the rhythm of chest compression—so called interposed abdominal compression (IAC)-CPR—generates blood flow by an independent abdominal pump mechanism that augments the systemic perfusion created by chest compressions. New imaging data are …
Proposed Structure For Large Quantum Interference Effects, S. Datta, Michael R. Melloch, S. Bandyopadhyay, Mark S. Lundstrom
Proposed Structure For Large Quantum Interference Effects, S. Datta, Michael R. Melloch, S. Bandyopadhyay, Mark S. Lundstrom
Department of Electrical and Computer Engineering Faculty Publications
In this letter we propose and analyze a new semiconductor structure that can be fabricated by present day technology and can lead to large quantum interference effects with potential device applications.
Effect Of Impurity Trapping On The Capacitance‐Voltage Characteristics Of N‐Gaas/N‐Algaas Heterojunctions, K. L. Tan, Mark S. Lundstrom, Michael R. Melloch
Effect Of Impurity Trapping On The Capacitance‐Voltage Characteristics Of N‐Gaas/N‐Algaas Heterojunctions, K. L. Tan, Mark S. Lundstrom, Michael R. Melloch
Department of Electrical and Computer Engineering Faculty Publications
We have studied the capacitance-voltage (C- V) characteristics of Schottky barriers on inverted nGaAs/ N-AIGaAs and normal N-AIGaAs/n-GaAs heterojunctions. Impurities introduced during film growth produced a negative sheet charge of 6.0 X 10 II cm -2 at the interface of the inverted n-GaAs/N-AIGaAs heterojunction. The effectiveness of GaAs quantum wells in trapping these impurities was investigated. GaAs quantum wells 20 A wide were placed in intervals of 2500 A for the first 0.75 pm of the AIGaAs layer; in the last 0.25 pm, the periodicity of the quantum wells was progressively decreased by half with the last quantum well placed …
Investigation Of Gas Pressure Pulsation Influence In An Outlet Pipeline On Reciprocating Compressor Work, M. Luszczycki
Investigation Of Gas Pressure Pulsation Influence In An Outlet Pipeline On Reciprocating Compressor Work, M. Luszczycki
International Compressor Engineering Conference
No abstract provided.
Heat Transfer In Oil-Flooded Screw Compressors, P. J. Singh, J. L. Bowman
Heat Transfer In Oil-Flooded Screw Compressors, P. J. Singh, J. L. Bowman
International Compressor Engineering Conference
No abstract provided.
The Challenge Of Using The Single-Screw Compressor With Steam, G. G. Haselden, M. D. Yell
The Challenge Of Using The Single-Screw Compressor With Steam, G. G. Haselden, M. D. Yell
International Compressor Engineering Conference
No abstract provided.
An Approach To Reckoning Of Peak Noise Frequency Of Air Compressor Inlet, X. Wang
An Approach To Reckoning Of Peak Noise Frequency Of Air Compressor Inlet, X. Wang
International Compressor Engineering Conference
No abstract provided.
A Scroll Compressor With Sealing Means And Low Pressure Side Shell, T. Inaba, M. Sugihara, T. Nakamura, T. Kimura, E. Morishita
A Scroll Compressor With Sealing Means And Low Pressure Side Shell, T. Inaba, M. Sugihara, T. Nakamura, T. Kimura, E. Morishita
International Compressor Engineering Conference
No abstract provided.
Experimentally Derived, Energetistic Efficiency Of A Small Heat Pump In An Economic And Technical Aspect, M. Sukiennih
Experimentally Derived, Energetistic Efficiency Of A Small Heat Pump In An Economic And Technical Aspect, M. Sukiennih
International Refrigeration and Air Conditioning Conference
No abstract provided.
A Study Of The Single Screw Compressor Profile, G. Jin, Y. Tang
A Study Of The Single Screw Compressor Profile, G. Jin, Y. Tang
International Compressor Engineering Conference
No abstract provided.
Estimation Of Bearing Load Of Rolling Piston Type Rotary Compressors Under High Speed Operation, M. Sugiyama, T. Itami, M. Kubo
Estimation Of Bearing Load Of Rolling Piston Type Rotary Compressors Under High Speed Operation, M. Sugiyama, T. Itami, M. Kubo
International Compressor Engineering Conference
No abstract provided.
Single Stage, Oil-Free Screw Compressor With A Compression Ratio Eight, H. Mori, K. Kasuya, Y. Takahashi, A. Suzuki, M. Aoki
Single Stage, Oil-Free Screw Compressor With A Compression Ratio Eight, H. Mori, K. Kasuya, Y. Takahashi, A. Suzuki, M. Aoki
International Compressor Engineering Conference
No abstract provided.
Numerical Investigation Of Steady And Unsteady Flow In Valve Gap, J. Piechna, G. E. A. Meier
Numerical Investigation Of Steady And Unsteady Flow In Valve Gap, J. Piechna, G. E. A. Meier
International Compressor Engineering Conference
No abstract provided.
Performance Analysis Of Oif Single Screw Compressor, T. Hirai, S. Noda, Y. Sagara, K. Tsuzi
Performance Analysis Of Oif Single Screw Compressor, T. Hirai, S. Noda, Y. Sagara, K. Tsuzi
International Compressor Engineering Conference
No abstract provided.
Effect Of Design Parameters On Oil-Flooded Screw Compressor Performance, P. J. Singh, J. L. Bowman
Effect Of Design Parameters On Oil-Flooded Screw Compressor Performance, P. J. Singh, J. L. Bowman
International Compressor Engineering Conference
No abstract provided.
The Intercooler With Spraying Water For Air Compressors, Y. Kang
The Intercooler With Spraying Water For Air Compressors, Y. Kang
International Compressor Engineering Conference
No abstract provided.
Different Operational Modes For Refrigeration Twin-Screw Compressors, L. Sjoholm
Different Operational Modes For Refrigeration Twin-Screw Compressors, L. Sjoholm
International Compressor Engineering Conference
No abstract provided.
Experimental Investigation On Beat Transfer In The Manifolds Of Refrigerating Compressors, Y. Gu, Y. Wu
Experimental Investigation On Beat Transfer In The Manifolds Of Refrigerating Compressors, Y. Gu, Y. Wu
International Compressor Engineering Conference
No abstract provided.
Energetic And Volumetric Characteristics For The Uniform Valuation Of Gas And Refrigeration Compressors, H. G. Najork, H. J. Kleinert
Energetic And Volumetric Characteristics For The Uniform Valuation Of Gas And Refrigeration Compressors, H. G. Najork, H. J. Kleinert
International Compressor Engineering Conference
No abstract provided.
Performance Evaluation Of Hermetic Refrigeration Compressor Using Torque Measurement Method, K. Sakitani, J. Koiwa, T. Maekawa
Performance Evaluation Of Hermetic Refrigeration Compressor Using Torque Measurement Method, K. Sakitani, J. Koiwa, T. Maekawa
International Compressor Engineering Conference
No abstract provided.
Predictions Of Heat Transfer In Compressor Cylinders, G. W. Recktenwald, J. W. Ramsey, S. V. Patankar
Predictions Of Heat Transfer In Compressor Cylinders, G. W. Recktenwald, J. W. Ramsey, S. V. Patankar
International Compressor Engineering Conference
No abstract provided.
Performance Testing Of An Open Reciprocating Refrigeration Compressor Over A Range Of Speeds, J. A. Mcgovern
Performance Testing Of An Open Reciprocating Refrigeration Compressor Over A Range Of Speeds, J. A. Mcgovern
International Compressor Engineering Conference
No abstract provided.
The Temperature Measurement For Rotary Compressor With Oil Injection, Y. Kang
The Temperature Measurement For Rotary Compressor With Oil Injection, Y. Kang
International Compressor Engineering Conference
No abstract provided.
Selection Considerations For Rotary Compressor Shaft Geometries, T. L. Kassouf, E. A. Tomayko, J. P. Vaccaro
Selection Considerations For Rotary Compressor Shaft Geometries, T. L. Kassouf, E. A. Tomayko, J. P. Vaccaro
International Compressor Engineering Conference
No abstract provided.
Development Of Outer-Envelope Trochoidal Compressors, L. Wydra
Development Of Outer-Envelope Trochoidal Compressors, L. Wydra
International Compressor Engineering Conference
No abstract provided.
The Development, Of A Longer Life And Superior Performance Compressor Plate Valve, R. E. Drews
The Development, Of A Longer Life And Superior Performance Compressor Plate Valve, R. E. Drews
International Compressor Engineering Conference
No abstract provided.