surface current density

[ˈsɚfəs ˈkɚrənt ˈdɛnsɪti][ˈsə:fis ˈkʌrənt ˈdensiti]

面电流密度

  • Distribution of electromagnetic field between plates and electric charge surface density and current surface density on plates of a parallel plate capacitor in alternating current circuit are calculated by Maxwell u2032 s equations and boundary conditions the results are discussed

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  • The electrochemical quartz crystal microbalance ( EQCM ) was used to monitor the electrodeposition process . The result indicated the quantity of coating on the chip surface was influenced by the current density and the optimal current density was confirmed as 0.6mA/cm2 .

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  • Hydrogen Evolution on the Surface of a Chromium Electrode at High Current Density

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  • The results show that during welding process the contact radius increases gradually the highest temperature is always located at the center of the electrode tip surface while the electrode stress and current density both concentrate at the edge of contact region .

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  • The surface quality and texture of the jet electroforming products are studied under different current density situations .

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  • We then solve the integral equation for the surface current density by the moment method and obtain the electrical fields in the shielding shells by the scattering theory .

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  • However the utilization of catalyst surface is not only affected by the IR drop within the electrode but also by the eXChange current density of the targeted reaction .

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  • Comparing their surface current density distributions it is found that the distribution of conduction currents of magnetic resonance patch that is a reasonable arrangement of magnetic resonance patch lattices is the key to the broadband transmission with low attenuation .

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  • This method is applied to calculate the surface field strength and emission current density of a diode field emitter in this paper .

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  • To further explore the mechanism of the surface plasmon resonance the generated plasmon current density is calculated . The vector directions are determined by the real part of the electric field and the amplitude is the module of the electric field .

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  • The results indicated that in phosphoric acid and sodium hydroxide electrolyte the acidic functional groups contents on the fiber surface were increased quickly with the enlarging of the current density at first and then decreased the maximum content was obtained at ( 0.4 A / g ;)

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  • The paper has pointed out the mistake in the formula which has obscured the relation between surface current and its density as the equality of surface current and line integral of its density and has put forward a correct formula .

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  • The records show that under active thunderclouds surface Maxwell current density reflects the change of cloud charge sources and is quasi-steady between lightning discharges .

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  • The results showed that the surface morphology and crystal orientation of Cu electrodeposits varied mainly with the current density used in deposition : at c. d.

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  • Pd20Pt / C showed increased electrochemically active surface area negatively shifted peak potential ( 0.1 V ) and enhanced peak current density ( 67 % ) relative to Pd / C.

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  • The current density and scanning velocity of the nozzle have great effects on the deposition surface morphology the deposition with fine grain and flat surface can be achieved with lower current density and rapid scanning velocity ;

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  • Ray diffration analysis . The relation of the sample 's wear resistance surface composition and structure with the implantation parameters ( mainly the implanted ion energy and current density ) was discussed according to nonlinear impact theory .

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  • In this paper the author established the calculating equation of heat transfer coefficient regressed the experimentation datum and obtained the function of heat transfer coeffcient between billet surface temperature and current density namely the spray nozzle 's thermo performance .

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  • Besides the authors advance a new calculation method that volume current density caused by saturation medium is turned into equivalent surface current density .

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  • The experimental results also showed that the grain size and surface roughness increased with current density in - creasing .

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  • The computed surface inducted current density and radar cross section of several 2-D perfectly conducting scatters in both Transverse-Magnetic ( TM ) and Transverse-Electric ( TE ) polarization demonstrated the method was effective and high accurate .

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  • According to equivalent principle of field the cavity is divided into three regular regions . The field in each region is supported by proper surface magnetic current density on the common surface and can be expressed as integrals of Green functions .

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  • The separation of variables under the coordinate transformation is the basis of the theory in which the assumption about the surface current density distribution of the tape is avoided .

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  • The surface current density of the coil is represented by a two-dimensional Fourier series expansions and the z component of magnetic field in region of interest can be obtained .

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  • Micro-arc oxidation ( MAO ) coatings were formed on AZ91D alloy surface by invariable small current density process in silicate electrolyte .

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  • Using the expressions for ion density and total sheath potential difference the relation between ion energy flux when reaching the material surface and the driving RF current density is derived .

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  • The results showed that the surface grain of deposits was increased with the increase of current density in zero magnetic field while the air hole appeared in deposits surface due to the emission of hydrogen .

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