نتایج جستجو برای: electric field measurement
تعداد نتایج: 1295001 فیلتر نتایج به سال:
Introduction: Melanoma is a type of skin censers that is started from melanocyte cells. Conventional methods for diagnosis of cancers include shape, size, and skin tumour colour measurement, the disorder in tumour situation, create scars, bleeding, and touch the site of the injuries. Researches are continuing to find simpler and safer methods in cancer diagnostic. Methods and Materials: The mo...
using hartree-fock su-sheriffer-heeger (hf-ssh) model, we have studied the dependence of the energies of the ground (magnetic triplet state) and the first exited (nonmagnetic singlet state) states of the size-2 trigonal zigzag graphene nanoflake (size-2 nf) on the intensity of an external in plane static electric field at zero temperature. we identify a transition from the magnetic triplet stat...
In the extremely low frequency range (3 to 300 Hz), the intensities of electric and magnetic fields increase with increasing voltage and current. If the intensities of electric and magnetic fields are high compared with standard exposure limits, they can have harmful effects on human health. In the vicinity of power lines and high voltage power stations, the intensities of these fields are usua...
Neutron electric dipole moment measurement (EDM) requires precise control of the electric and magnetic field in the test cell. External magnetic field should be shielded out completely. As the experiment will be conducted in cryogenic environment (~ 4K), conventional μ-metal shield cannot work in low temperature. Shielding property of another magnetic material, Metglas, was study in this projec...
We design a high dynamic range electric field sensor based on domain inverted electro-optic (E-O) polymer Y-fed directional coupler for electromagnetic wave detection. This electrode-less, all optical, wideband electrical field sensor is fabricated using standard processing for E-O polymer photonic devices. Experimental results demonstrate effective detection of electric field from 16.7V/m to 7...
Electric field gradients (EFG) at Hg were determined in mercury mercaptides H g ( S ( C H 2 ) i C H 3 ) 2 experimentally for i e {0, 1, 2} using time differential perturbed angular correlation and theoretically for i e {0, 1} with the full potential linearized augmented plane wave code WIEN95. Due to the large unit cells and small hydrogen atoms not full convergence of the plane wave basis set ...
The main purpose for designing and constructing electroradio frequency linear accelerators is to reach better beam quality with higher power and energy by lower RF power consumption. The main step for this purpose is doing research and development in the area of designing, constructing, measuring and tuning of accelerator RF cavities. Institute for Research in Fundamental Sciences (IPM) linear ...
Paper presents an original method suitable for measurement of electric field distribution in liquid dielectrics (nanosecond time domain). Electric field is reconstructed in two steps: 1) multiangular laser scanning of the space between electrodes provides projection for each laser beam, 2) using a numerical algorithm called Modified Aritmetic Reconstruction Technique (MART) electric field is re...
A new test system for measuring electric field profile in planar circuits such as microstrip-line has been developed. In order to estimate the measured electric field profile, the 3D full-wave analysis is carried out by using a finite-difference time domain technique for planar printed circuits in high-frequency ranges. A test system proposed in this paper based on a small coaxial probe antenna...
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