Results 271 to 280 of about 190,722 (315)
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The Two-Band Effect in Conduction
Proceedings of the Physical Society. Section A, 1952For an isotropic two-band conductor in a transverse magnetic field, the various galvanomagnetic, thermomagnetic and thermoelectric coefficients are derived by elementary arguments in terms of those of the individual bands. The expressions are applicable to quasi-free electrons of any degree of degeneracy: for fully degenerate electrons they reduce to ...
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Effect of digitalis on conduction of the heart
Progress in Cardiovascular Diseases, 1964Summaty o 1. The pharmacological action of digitalis, its interrelationship with potassium and clinical manifestations of depressed conduction due to this drug were reviewed. 2. Increased automaticity of the specialized conduction system due to digitalis does not necessarily parallel the changes in excitability of the myocardium.
C, FISCH +3 more
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EFFECT OF MIANSERIN ON CARDIAC CONDUCTION
Medical Journal of Australia, 1979A cardiovascular study of a new antidepressant, mianserin, given at 60 mg a day for a three-week period to 10 ambulant, moderately depressed patients is described. No effects on cardiac conduction were found by means of His bundle electrocardiography. Nine of 10 depressed patients improved while on the medication; mild sedation was the only side effect
G D, Burrows +3 more
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Conducting Effective Tailgate Trainings
Health Promotion Practice, 2008The California Department of Health Services' Occupational Health Branch and others have identified the construction industry as being at high risk for injuries, illnesses, and fatalities. Effective tailgate trainings (brief job site safety meetings) can be a powerful tool to promote hazard awareness and safe work practices. The authors found that many
David, Harrington +3 more
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The effect of ischemia on nerve conduction
Experimental Neurology, 1967Abstract There has been some discrepancy in the literature regarding the effects of ischemia on peripheral nerve conduction: Are the more slowly conducting fibers or the more rapidly conducting fibers more sensitive to an ischemic environment? A technique of studying the compound action potential (AP) from more than one segment of the in vivo canine ...
J L, Fox, P I, Kenmore
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The Effect of Temperature and Content of Conductive Filler on the Conductivity of Conductive Rubber
Materials Science Forum, 2008How the volume resistance rate of the conductive polymer composite material such as nitrile rubber (NBR) filled with ACET changes with temperature is studied. How the volume resistance rate of different conductive polymer composite material is affected by the content of ACET is studied. Such cases are then explained theoretically.
Ting Tai Wang +4 more
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Hall Effect in Impurity Conduction
Physical Review, 1961The existence of a nonvanishing Hall effect in the "impurity conduction" regime of a semiconductor is demonstrated. In this regime (prevalent at low temperatures and at low impurity concentrations) the dominant electron transport mechanism is the phonon-induced hopping of charge carriers from occupied to unoccupied majority sites.
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Effective Conductivity of an Anisotropic Heterogeneous Medium of Random Conductivity Distribution
Multiscale Modeling & Simulation, 2011Summary: The paper deals with the effective conductivity tensor \(K_{\text{ef}}\) of anisotropic random media subject to mean uniform flux. The hydraulic conductivity \(K\) field is modeled as a collection of spheroidal disjoint inclusions of different, isotropic and independent \(Y=\ln K\); the latter is a random variable with given distribution of ...
R. Suribhatla +4 more
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Effect of crosslinking on the conductivity of conductive silicone rubber
Journal of Applied Polymer Science, 2003AbstractWe investigated the effect of polyvinylsilicone oil (C gum) as a crosslinker and 2,5‐bis(tert‐butyl peroxy)‐2,5‐dimethyl hexane (DBPMH) as a curing agent on the conductivity of conductive silicone rubber with two different kinds of conducting mechanisms.
Jie Zhang, Shengyu Feng
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Effects of shrinkage on conductivity of isotropic conductive adhesives
Proceedings International Symposium on Advanced Packaging Materials. Processes, Properties and Interfaces (IEEE Cat. No.99TH8405), 2000Our previous study proved that intimate contact between conductive fillers caused by resin cure shrinkage, rather than lubricant removal, was the main mechanism for establishment of conductivity of isotropic conductive adhesives (ICAs). The purpose of the present study was to investigate the changes in properties, especially in dimension (cure ...
Daoqiang Lu, C.P Wong
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