نتایج جستجو برای: peak discharge

تعداد نتایج: 240169  

Journal: :Cerebral cortex 1998
B Ahmed J C Anderson R J Douglas K A Martin D Whitteridge

The action potential discharge response of single neurons to both visual stimulation and injections of current were obtained during intracellular recordings in cat visual cortex in order to estimate the net excitatory current arriving at the soma during visual stimulation. Of 45 neurons recorded intracellularly, 19 pyramidal neurons and one basket cell were labelled with horseradish peroxidase....

The electro discharge machining (EDM), one of the methods used in the machining industry and a non-traditional manufacturing method, the electro erosion process does not depend on the hardness of material and offers a way to process materials of very complex geometry with very fine and high precision by using cheap electrode materials, which make it a preferred method. In this study, effect of ...

Anand S. Shivade Vasudev D. Shinde

In this paper, wire electrical discharge machining of D3 tool steel is studied. Influence of pulse-on time, pulse-off time, peak current and wire speed are investigated for MRR, dimensional deviation, gap current and machining time, during intricate machining of D3 tool steel. Taguchi method is used for single characteristics optimization and to optimize all four process parameters simultaneous...

Journal: Desert 2012
A. Salajegheh A.R. Keshtkar M. Najafi Hajivar

Statistical frequency analysis is the most common procedure for the analysis of flood data at a gauged location thatin first step it is needed to select a model to represent the population. Among them, the central moment has been themost common and widely used, and with the using of computers, the application of the maximum likelihood hasincreased. This research was carried out in order to reco...

شیرانی, بابک , عبدی, محمد رضا , پقه, صالح,

In this study, some characteristics of a Mather type Plasma Focus (PF) device such as a discharge current, pinch time, ion flux and hard x-ray intensity has been investigated simultaneously in argon and nitrogen gases separately for various operating gas pressures and charging voltages of capacitor bank. It was observed that pinch phenomena was energy and pressure dependent in current sheath as...

Journal: :desert 2012
a.r. keshtkar a. salajegheh m. najafi hajivar

statistical frequency analysis is the most common procedure for the analysis of flood data at a gauged location thatin first step it is needed to select a model to represent the population. among them, the central moment has been themost common and widely used, and with the using of computers, the application of the maximum likelihood hasincreased. this research was carried out in order to reco...

Journal: :Journal of neurophysiology 1986
A Mikami W T Newsome R H Wurtz

Mechanisms of direction selectivity and speed selectivity were studied in single neurons of the middle temporal visual area (MT) of behaving macaque monkeys. Visual stimuli were presented in both smooth and stroboscopic motion within a neuron's receptive field as the monkey fixated a stationary point of light. Direction selectivity, speed selectivity, and the spontaneous discharge characteristi...

2014
Rongting Zhang Huanhuan Gu Yusheng Hu Sihai Xia

In the design of rotary compressor, Helmholtz resonator is always used in the discharge port of cylinder to reduce noise. The effect of Helmholtz resonator on the discharge port is restricted because of the narrow frequency band of Helmholtz resonator. In this paper, multi-Helmholtz resonator on the top-flange is used to reduce the discharge noise of different frequency bands, which does not ch...

2016
Eka Putra Waldi H. Ahmad

The measurement of phase resolved partial discharge requires a gigantic memory capacity to store all the waves of the PD test results. This limitation eventually hinders the testing. It is necessary to optimize on the aspect of memory storage capability to reduce the storage requirements. In light of foregoing, the partial discharge data retrieval techniques with sampling rate methods were used...

2008
Bryan M. Reid Alec D. Gallimore

In an effort to understand the role of neutral flow dynamics in the operation of Hall thrusters, a floating emissive probe was used to measure the plasma potential, electric field, and electron temperature in the discharge channel of a 6-kW Hall thruster operating at 300 V and anode flow rates of 10, 20, and 30 mg/s. To isolate the effect of propellant flow rate, the cathode flow fraction and m...

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