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The anode plug ( Figure 2 ) was inserted into a carbon anode holder.
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Brown Corpus
Some Related Sentences
anode and plug
The anode in figure 2 was mounted by means of the anode holder which was attached to a steel plug and disk.
The anode consisted of a 1/2 inch diameter porous graphite plug, 1/4 inch long.
Temperatures of the shield and of the surface of the water-cooled anode holder were measured by thermocouples to account for heat received by the coolant but not originating from the anode plug.
The lower limit was determined by the fact that for smaller flow rates the arc started to strike to the anode holder instead of to the porous graphite plug and that it became highly unstable.
To measure the surface temperature of the anode plug, the surface was scanned with a pyrometer.
anode and Figure
A monomer molecule will receive an electron at the cathode to become a radical anion, and a monomer molecule will give up an electron at the anode to form a radical cation ( Figure 6 ).
Figure 6: ( Top ) Formation of radical anion at the cathode ; ( bottom ) formation of radical cation at the anode.
Figure 2 shows a hypothetical " funnel-shaped " glow discharge tube, in which the cathode is much larger than the anode ; the electron density increases towards the anode.
anode and 2
Two pyrometers shown in figure 1 and 2 ( Pyrometer Instrument Co. Model 95 ) served for simultaneous measurement of the anode surface temperature and the temperature distribution along the anode holder.
The anode holder shown in figure 2 was designed with two goals in mind.
Simultaneously with the anode surface temperature and voltage measurements pyrometer readings were taken along the cylindrical surface of the carbon anode holder as indicated on figure 2.
The photocathode sensitivities S, phosphor efficiencies P, and anode potentials V of the individual stages shall be distinguished by means of subscripts 1, and 2, in the text, where required.
: Zinc electrode ( anode ): Zn ( s ) → Zn < sup > 2 +</ sup >( aq ) + 2 e < sup >–</ sup >
In the example characteristic shown on the image, if an anode voltage V < sub > a </ sub > of 200 V and a grid voltage bias of-1 volt are selected, a plate ( anode ) current of 2. 25 mA will be present ( using the yellow curve on the graph ).
if anode current of I < sub > a </ sub >= 2. 25 mA is chosen.
Now, if the input voltage amplitude ( at the grid ) changes from-1. 5 V to-0. 5 V ( difference of 1 V ), anode current will change from 1. 2 to 3. 3 mA ( see image ).
The simplest and cheapest variety of sealed X-ray tube has a stationary anode ( the Crookes tube ) and produces ~ 2 kW of X-ray radiation.
V < sub > 2 </ sub > and V < sub > 4 </ sub > collector – emitter junctions connect V < sub > 4 </ sub > base – emitter junction in parallel to the series-connected V < sub > 3 </ sub > base – emitter and V < sub > 5 </ sub > anode – cathode junctions.
For example, in an acid solution, copper is oxidized at the anode to Cu < sup > 2 +</ sup > by losing two electrons.
Scientists at Saint Louis University have used carbon-supported alcohol dehydrogenase with poly ( methylene green ) as an anode, with a nafion membrane, to achieve about 50 μA / cm < sup > 2 </ sup >.
The electrochemical reaction causes liquid aluminium metal to be deposited at the cathode as a precipitate, while the oxygen from the alumina combines with carbon from the anode to produce carbon dioxide, CO < sub > 2 </ sub >.
The exhaust is primarily CO < sub > 2 </ sub > produced from the anode consumption and hydrogen fluoride ( HF ) from the cryolite and flux.
The thyristor has three p-n junctions ( serially named J < sub > 1 </ sub >, J < sub > 2 </ sub >, J < sub > 3 </ sub > from the anode ).
When the anode is at a positive potential V < sub > AK </ sub > with respect to the cathode with no voltage applied at the gate, junctions J < sub > 1 </ sub > and J < sub > 3 </ sub > are forward biased, while junction J < sub > 2 </ sub > is reverse biased.
The anode oxidizes chloride ions ( Cl ), and Cl < sub > 2 </ sub > gas is produced.
anode and was
Thus, the energy transferred from the arc to the anode was partly fed back into the arc.
It was shown that by proper anode design the net energy loss of the arc to the anode could be reduced to approximately 15% of the total arc energy.
A detailed energy balance of the anode was established.
The anode material was porous graphite.
This small pore size was required to ensure uniformity of the flow leaving the anode.
To reduce heat transfer from the hot gas to this anode holder outside the regime of the arc, a carbon shield was attached to the surface providing an air gap of 1/16 inch between the plate and the surface of the anode holder.
The arc voltage was measured with a voltmeter whose terminals were connected to the anode and cathode holders.
The argon flow through the porous anode was varied systematically between Af and Af.
The upper limit was determined by the difficulty of measuring the characteristic anode surface temperature ( see below ) since only a small region of the anode was struck by the arc.
Assuming thermal equilibrium between the anode surface and the transpiring argon, the gas enthalpy rise through the anode was calculated according to the relation Af whereby the specific heat of argon was taken as Af.
anode and inserted
Both glass and metal envelope rectifiers may have control grids inserted between the anode and cathode.
anode and into
The total heat loss through the anode holder included also the heat conducted through the base of the cylindrical piece into the adjacent metal parts.
The inner ( anode ) sphere is pierced, elongated into a cup, and terminated by the phosphor screen.
An anode is an electrode through which electric current flows into a polarized electrical device.
In other words, the electrons flow from the anode into, for example, an electrical circuit.
* In a discharging battery or galvanic cell ( diagram at right ) the anode is the negative terminal since that is where the current flows into " the device " ( i. e. the battery cell ).
It is continued internally by positive ions flowing into the electrolyte from the anode, i. e., away ( surprisingly ) from the more negative electrode and towards the more positive one ( chemical energy is responsible for this " uphill " motion ).
At the anode, anions ( negative ions ) are forced by the electrical potential to react chemically and give off electrons ( oxidation ) which then flow up and into the driving circuit.
As an example, an iron or steel ship's hull may be protected by a zinc sacrificial anode, which will dissolve into the seawater and prevent the hull from being corroded.
An electrode through which current flows the other way ( into the device ) is termed an anode.
The anodic current is the flow of electrons into the anode from a species in solution.
In a galvanic cell, the cathode is where the positive pole is connected to allow the circuit to be completed: as the anode of the galvanic cell gives off electrons, they return from the circuit into the cell through the cathode.
Electrons which diffuse from the cathode into the P-doped layer, or anode, become what is termed " minority carriers " and tend to recombine there with the majority carriers, which are holes, on a timescale characteristic of the material which is the p-type minority carrier lifetime.
At the anode a catalyst oxidizes the fuel, usually hydrogen, turning the fuel into a positively charged ion and a negatively charged electron.
* The anode catalyst, which breaks down the fuel into electrons and ions.
On the anode side, hydrogen diffuses to the anode catalyst where it later dissociates into protons and electrons.
In a triode radio-frequency ( RF ) amplifier, if both the plate ( anode ) and grid are connected to resonant circuits tuned to the same frequency, stray capacitive coupling between the grid and the plate will cause the amplifier to go into oscillation if the stage gain is much more than unity.
The input current is allowed to flow into the high impedance grid, and the voltage so generated is vastly amplified in the anode ( plate ) circuit.
The current pushes the metal out from the anode into solution and deposits it as metal on the cathode.
It involves taking hydrogen gas and turning it into H < sup >−</ sup > ions by introducing it into a container lined with molybdenum electrodes: a matchbox-sized, oval-shaped cathode and a surrounding anode, separated by 1 mm and held in place by glass ceramic insulators.
As an example, a Daniell cell consists of a zinc anode ( an electron collector ), which dissolves into a zinc sulfate solution, the dissolving zinc leaving behind its electrons in the electrode according to the oxidation reaction ( s
1.020 seconds.