نتایج جستجو برای: up includes four electrodes
تعداد نتایج: 1653041 فیلتر نتایج به سال:
-A number of impulse investigations on earthing systems have been performed in the field [1-6]. The studies were conducted on a few types of earth electrode: vertical rods, horizontal electrodes and the mesh and other geometries of electrodes. The type selected may depend on the type of soil encountered and the available depth or area available. Impulse voltages of up to 3MV with impulse curren...
In this work, a compact and low-cost electrochemical laboratory prototype for the storage production of hydrogen, based on metallic hydrides, with high reversibility in charge/discharge process is demonstrated, using electricity either from grid or by direct coupling to renewable energies as power source. The reactor 316 L stainless steel vessel capacity up 15 bar internal pressure. It includes...
[1] To analyze and interpret the chemical record, the 2007 Phoenix Mars Lander includes four wet chemistry cells. These Wet Chemistry Laboratories (WCLs), part of the Microscopy, Electrochemistry, and Conductivity Analyzer (MECA) package, each consist of a lower ‘‘beaker’’ containing sensors designed to analyze the chemical properties of the regolith and an upper ‘‘actuator assembly’’ for addin...
Deposition of individual single-wall carbon nanotubes over multiple (up to seven) Pt nanoelectrodes is realized. Two-probe and four-probe transport measurements between adjacent pairs of electrodes show similar but not identical single-electron Coulomb charging signatures at low temperatures. The observations indicate that nanotubes can behave as a chain of quantum wires connected in series. We...
abstract wenner direct contact method is a method of estimating apparent electrical conductivity (eca) of agricultural soils in situ. this method can be affected by factors such as quality of electrodes in contact with soil, type of employed electric current, moisture content, clay content and compaction of soil. in this research, the effect of electrode type (rod and plate) and electric curren...
The precise rotation of suspended cells is one of the many fundamental manipulations used in a wide range of biotechnological applications such as cell injection and enucleation in nuclear transfer (NT) cloning. Noticeably scarce among the existing rotation techniques is the three-dimensional (3D) rotation of cells on a single chip. Here we present an alternating current (ac) induced electric f...
The research described here includes work on fabrication techniques for reproducible thin-film electrodes. Runs with these electrodes in a newly fabricated high sensitivity calorimetry bank is shown to provide added support for earlier excess heat production observed with ultra-high proton loadings in thin film electrodes. In addition, new in-situ radiation emission studies have discovered MeV ...
We have developed a polyimide based neural interface electrode to record nerve signals from the sciatic nerve of a rat. The neural interface electrode has a split-ring shape, with four protruding gold electrodes for recording, and two reference gold electrodes around the split-ring. The split-ring electrode can be opened up to encircle the sciatic nerve. The four electrodes can be bent to sit o...
Speech recognition performance was measured as a function of electrode in two experiments with the Nucleus-22 cochlear implant using 4-electrode SPEAK speech processors. In experiment 1, the four stimulated electrode pairs were shifted in 0.75-mm steps over 3 mm in the apical-basal direction. In experiment 2, the four electrodes were closely spaced and positioned apically, medially, or basally....
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