'Ion current' diaporamas de présentation

2.4k views • 225 slides

Cylindrical probes are best

Cylindrical probes are best. Plane probes have undefined collection area. If the sheath area stayed the same, the Bohm current would give the ion density. A guard ring would help. A cylindrical probe needs only a centering spacer.

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Fig.: 6.1

thermic insulated box. hot plate. thickness measuring device. thermo- couple. specimen. sensor. cooling plate. Fig.: 6.1. Chapter 6.1: Thermal Properties. In: Grellmann, W., Seidler, S. (Eds .): Polymer Testing. Carl Hanser Verlag, Munich (2013) 2. Edition. IR sensor +

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Electron and Ion Currents

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MD-PNP simulations of Alpha-Hemolysin open channel ion currents

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MD-PNP simulations of Alpha-Hemolysin open channel ion currents

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Production of polarized ions in nearly resonant charge-exchange collisions in plasma

Production of polarized ions in nearly resonant charge-exchange collisions in plasma. A. S. Belov Institute for Nuclear Research of Russian Academy of Sciences Moscow, Russia. The report is summary of work performed in collaboration with several laboratories since 1980th: INR, Moscow:

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Rectification, pumping and voltage-gating in ion currents

Zuzanna SIWY University of Florida Department of Chemistry Center for Research at the Bio/Nano Interface Gainesville, FL 32611-7200. Rectification, pumping and voltage-gating in ion currents. through nanometric pores. E-mail: zuzanna@chem.ufl.edu.

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Measurement of Gas Concentrations by Mass Spectrometers

Quadrupole Mass Spectrometers are gas-specific instruments, the fragmentation pattern may lead to spectral overlap several sources of instabilities ? how to operate the instrument if the SEM or C-SEM is the major source of drift? spectral overlap of gaseous components lead to

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Measurement of Gas Concentrations by Mass Spectrometers

Quadrupole Mass Spectrometers are gas-specific instruments, the fragmentation pattern may lead to spectral overlap several sources of instabilities ? how to operate the instrument if the SEM or C-SEM is the major source of drift? spectral overlap of gaseous components lead to

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FROM EXCITATION TO CONTRACTION

FROM EXCITATION TO CONTRACTION . NEUROMUSCULAR JUNCTION . RESTING MEMBRANE POTENTIAL . Depolarization - Hyperpolarization . ACTION POTENTIAL : PHASES. ACTION POTENTIAL: Ion Current. ROLE OF Na + and K + IN AP. TYPE OF ION CHANNELS. FROM EXCITATION TO CONTRACTION .

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Institute of Applied Physics, Russia

Analysis of Gas Efficiency for ECR Ion Source Operating in either Singly or Multiply Charged Ions Mode by Way of Example of Helium. Modeling and Experiments. Institute of Applied Physics, Russia Laboratoire de Physique Subatomique et de Cosmologie , France. Gas composition.

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Overview of Vacuum Systems

Overview of Vacuum Systems. Tejas Deshpande 24 July, 2014. Outline. Introduction Pumps Positive displacement pumps Momentum transfer pumps Entrapment pumps Pressure gauges Vacuum seals Manipulation and motion under vacuum. Introduction. Introduction: definitions.

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Abstract

Abstract.

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Vladimir ZORIN Institute of Applied Physics Nizhny Novgorod, Russia

Vladimir ZORIN Institute of Applied Physics Nizhny Novgorod, Russia. Additional Partner in EUROnu project

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Laser

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High Pressure Plasma with a third electrode

High Pressure Plasma with a third electrode. James Roberts Physics TSP 2002 Supervised by Dr Kerrie Balla. What is a plasma?. Collection of electrons, charged ions and neutral atoms and molecules Overall plasma is neutral. -. +. +. -. +. +. -. -. -. +. -. -. +. +. +. -. -.

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UCLA

LANGMUIR PROBES IN THE INTENSE RF ENVIRONMENT INSIDE A HELICON DISCHARGE. Francis F. Chen, UCLA. Gaseous Electronics Conference, Austin TX, Tuesday, October 23, 2012. UCLA. The permanent-magnet helicon source. The discharge tube is 5 cm in diam and 5 cm high. UCLA. The Langmuir probe.

290 views • 14 slides