Examples of using Current density in English and their translations into Serbian
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You can do spot welding in two modes,which depend on the current density.
The dosage and the electric current density is different, it depends on the age and diagnosis.
Through galvanostatic charge/discharge experiments,it can be seen that the specific capacitance of I-film depends on the current density, and I-film exhibits high electrochemical stability.
We attributed the exceptionally high current density in ZrTe3 to the single-crystal nature of quasi-1D materials.
The current density increases, the metal begins to heat up more, and as a result, it will lead either to aluminum burning out at the junction, or, in the worst case, to a fire.
The skin depth is the thickness at which the current density is reduced by 63%.
It is necessary that the current density reaches no more than 5 A/ mm², therefore the cross-sectional area of the primary winding wire is 25/5= 5 mm².
LPR measurements were used to calculate the corrosion current density by the Stern-Geary equation: 13.
Thus, under the current density of the population in the already constructed blocks(200 to 600 persons./ Ha), to build a house on the free"patch" it will be impossible.
In linear materials such as metals, andunder low frequencies, the current density across the conductor surface is uniform.
The reason is that larger current density results in shorter time of redox between Ag/Ag2O, so that ions have not enough time to diffuse from electrolyte and interphase[26].
Figure 7 presented that the capacitance retention of I-film at a current density of 6mA/cm2 can achieve 94.2% of initial value after 100 cycles.
The current density in the auxiliary winding is so high during starting that the consequent rapid temperature rise precludes frequent restarting or slow starting loads.
Exposing the device to light,the team was able to record a current density of 0.686 milliamps per sq cm, almost twice that normally reached by other biogenic solar cells.
At low current density, the decay of specific capacitance can be ignored while, at high current density, the specific capacitance decayed dramatically because of short time for the diffusion of ions.
In this case the change of x1 is current-controlled(spin torque is due to a high current density) whereas the change of x2 is voltage-controlled(the drift of oxygen vacancies is due to high electric fields).
Where J is the current density at a given location in a resistive material, E is the electric field at that location, and σ is a material dependent parameter called the conductivity.
The Biot-Savart law can be used in the calculation of magnetic responses even at the atomic or molecular level, e.g. chemical shieldings or magnetic susceptibilities,provided that the current density can be obtained from a quantum mechanical calculation or theory.
The current density(current per unit area) J→{\displaystyle{\vec{J}}} in materials with finite resistance is directly proportional to the electric field E→{\displaystyle{\vec{E}}} in the medium.
(integral form), where H is the magnetic H field also called"auxiliary magnetic field","magnetic field intensity", or just"magnetic field", D is the electric displacement field, andJf is the enclosed conduction current or free current density.
After substitution of R from the above equation into the equation preceding it,the continuum form of Ohm's law for a uniform field(and uniform current density) oriented along the length of the conductor reduces to the more familiar form: V= I R.{\displaystyle{ V}={ I}{ R}.\} A perfect crystal lattice, with low enough thermal motion and no deviations from periodic structure, would have no resistivity, but a real metal has crystallographic defects, impurities, multiple isotopes, and thermal motion of the atoms.
Note: The“superconductive” state of a material is individually characterized by a“critical temperature”, a critical magnetic field that is a function of temperature,and a critical current density that is a function of both magnetic field and temperature.
In industrial plants current densities up to 420 A/m2 are possible.[33] At the anode, copper and less noble metals dissolve.
Printed circuit board manufacturers know that copper electroplating isn't an exact science- changes in current densities across a board and through numerous hole/via sizes result in copper thickness variations of up to 25%.
The prediction is that by 2050, 66 percent of the population will live in cities and the United Nations, the World Health Organization, the World Economic Forum, are warning us,if we don't plan for the increased density, current problems in our cities, like inequality, congestion, crime can only get worse.
The current port density is hard to improve efficiency for network capacity and performance.
It's common on convergent plate margins andis characterized by its particularly explosive nature and dangerous density currents.