The Sustainability of Experience — Investing in the Human Factor 28th Annual USSD Conference Portland‚ Oregon‚ April 28 - May 2‚ 2008 Hosted by Portland General Electric On the Cover Portland General Electric’s North Fork Dam‚ on the Clackamas River southeast of Portland‚ is a thin‚ variable-radius concrete arch dam with a maximum height of 207 feet and a thickness varying from 32 feet at the base to 8 feet at the crest. The spillway is a 200-foot-long gated ogee-type structure with
Premium Electric current Magnetic field
the body through innovative techniques. This paper deals with the advancements in the Brain Computer Interface (BCI) technology. Our project features replacing the conventional wet sensor electrodes which results in poor signal quality‚ faulty operation and gel evaporation by the hybrid dry electrode sensor. It is also developed to solve some issues thereby implementing the BCI technology using tabloids‚ palmtops or i-pads instead of using massive wired PC’s. This module deals with as
Premium Brain Neuron Human brain
made between these nerves and man-made electrical components‚ then the control signals that come from the brain to the limb could be used to control a mechanical auxiliary for the missing limb. The process uses active electrodes to get the signal from the muscles. Active electrodes contain a high input impedance electronics amplifier in the same housing as the detection surfaces. The amplifier used processes it to be measured using a Pico scope and interfaced on the computer. The voltage signal would
Premium Muscle Electromyography Hand
monkeys. The scientists implanted electrodes — small devices that can detect or relay an electrical signal — into the animals’ brains. Then they trained the monkeys to look in a certain direction whenever a particular finger was touched. The electrodes took notes of the animals’ brain activity during that touch. The scientists used the electrode data to identify which brain cells‚ called neurons‚ had become active. Now the scientists used the implanted electrodes to zap those same neurons. And the
Premium Nervous system Brain Neuron
happens at anode (positive electrode) → think anOde (O2 in the electrolysis of water xp) Redox reactions: Reactions involving the transfer of electrons e.g. burning‚ rusting‚ photosynthesis‚ respiration and the browning of apples. happens in three types of reactions: 1. addition of oxygen 2. removal of hydrogen 3. increase in valency (how easily an atom can combine with other chemical species) Reduction → the gain of electrons → always happens at cathode (negative electrode) → think catHode (H2 produced
Premium Chlorine Hydrogen Electrochemistry
Fe3+→e-+Fe2+ E0=0.777 V The loss of an electron‚ oxidation‚ from Fe3+ creates an electric potential of 0.777 volts. A “cell” is created when an electric potential is cyclically moving throughout a system. A half-cell reaction at the anode electrode is similar to the oxidation reaction shown above. (2) Pt/0.1 M Fe3+‚0.01M Fe2+ This oxidation reaction creates different masses of each state of iron where Fe3+ is favored at the anode. This creates an
Free Electrochemistry
Sulphate solution (CuSo4) using Copper electrodes‚ when certain variables are changed In this investigation I will change variables within the experiment‚ which will hopefully change the rate of reaction and also the deposit of copper metal at the cathode. These variables could include: · Voltage · Concentration of solution/ Quantity of Solution · Surface area/ Size of Electrodes · Temperature · Molarity/Concentration of Solution · Distance between the electrodes These variables all have a way
Premium Electric charge Electron Electrolysis
DETERMINATION OF ELECTRODE POTENTIALS N.M. PICART1 and A.J. EDUARDO2 1INSTITUTE OF BIOLOGY‚ COLLEGE OF SCIENCE 2INSTITUTE OF BIOLOGY‚ COLLEGE OF SCIENCE UNIVERSITY OF THE PHILIPPINES‚ DILIMAN‚ QUEZON CITY 1101‚ PHILIPPINES DATE SUBMITTED: 22 APRIL 2015 DATE PERFORMED: 15 APRIL 2015 ANSWERS TO QUESTIONS 1. Discuss the differences between galvanic and electrolytic cells. A galvanic cell uses a spontaneous reaction to generate electrical energy. In the cell reaction‚ some of the difference in
Free Electrochemistry
Cowley‚ M. (2002). A practical guide to ECG monitoring and recording. Retrieved September 20‚ 2003: http://www.mikecowley.co.uk/leads.htm. Crow‚ R.‚ Park‚ L.‚ & Rautaharju P.M. (1998). A standardized procedure for locating and documenting ECG chest electrode positions: consideration of the effect of breast tissue on ECG amplitudes in women. Journal of Electrocardiology: 31‚ (1):17-29. Dougherty‚ L. & Mallett‚ J. (2000). Royal Marsden Manual of Clinical Nursing Procedures. 5th edn. 406-407. Ford‚ S. (2002)
Premium Ventricular fibrillation Electroencephalography
nonspontaneous redox reactions and observe what happens at each electrode as electrolysis is carried out then write balanced half reactions and compare to observations. Part A/B- Aquire a U-tube with flexible tubing at bottom‚ and close tightly with a clamp to add different cells before mixing. Prepare metal strips of lead‚ copper‚ zinc‚ and iron as electrodes by cleaning them with steel wool. Fill each side of you tube with proper cell and electrode for each test and record cell potential with a voltmeter
Free Electrochemistry