Study of rail inductance gradient during EM rail launch based on time-frequency analysis;

Effect of rail geometrical parameters on inductance gradient of EML

Augmented rail gun inductance gradient and its affecting factors

The self and mutual inductances are calculated by Gauss quadratic technique, After analyzing the gradients of mutual inductance are computed analytically and more accurately.

Firstly,the study transformed the inverse halftoning image and the original image into S-CIELab color space,by defining perception color difference and perception gradient,a quantitative index is constructed for apraising the color inverse halftoning image.

The voltage stabilization of high voltage gradient ZnO varistors;

The values of soil voltage gradient,pipe-to-soil potential and stray current of the buried pipeline had been systematically investigated on the spot.

The values of soil voltage gradient pipe to soil potential and stray current of buried pipeline have been measured.

Electric field gradient on Fe dopants in Y-124 superconductor;

The relationship among the nuclear quadrupole coupling constants (NQCC) , local electric field gradient ( EFG) and bonding structure of pentacrythritol tetranitrate (PETN) were studied by means of ab initio and TOWNES-DAILEY theory.

With the theory of electroelastic solids including electric field gradient effects, an antiplane crack in a piezoelectric body is analyzed.

Indicate: potential and potential gradient parameters of first field can′t reflect the ore, but pure anomaly and apparent resistivity can well reflect.

With respect to the characteristics of stray current and the inspection circumstance for urban rails system,a home-made equipment was developed for measuring the pipe-to-soil potential and soil potential gradient of the gas pipelines at Shanghai.