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23.028  Articles
1 of 2.304 pages  |  10  records  |  more records»
The estimation of instantaneous frequency (IF) method is introduced to compensate for the group velocity of electromagnetic wave in dispersive medium. The location of the reflected signal can be obtained by using the time-frequency cross correlation (TFCC... see more

According to the rapidly growing use of finite difference time domain method (FDTD) in numerical electromagnetic, this technique can be used to solve problems involving complex permittivity such as a dispersive materials. Since the dielectric constant for... see more

According to the rapidly growing use of finite difference time domain method (FDTD) in numerical electromagnetic, this technique can be used to solve problems involving complex permittivity such as a dispersive materials. Since the dielectric constant for... see more

Aluminum oxide thin films were prepared by medium frequency reactive magnetron sputtering. The target voltage hysteresis behavior under different argon partial pressure and target power conditions were studied. The results indicate that the target voltage... see more

The effectiveness of starfruitleaves extract as an inhibitor of St37 carbon steel in a corrosive medium of 3% NaCl had been researched. The concentration of starfruit leaves extract inhibitor was used 0%. 3%. 5% and 7% with immersion time of 4 and 8 days.... see more

Corrosion inhibition of low carbon API 5L by cocoa peel extract (Theobroma cacao) in corrosive medium of natrium chloride and hydrochloride acid of 3% has been investigated. The test was carried out by weight loss method. Corrosion rate was tested on low ... see more

Corrosion inhibition of areca nut extract (Areca catechu) as the resistor of corrosion rate in low carbon steel with HCl and NaCl corrosive medium concentrated at 3% had been reasearched. The C-Mn steel corrosion rate was examined during a 96 hours of sub... see more

A study has been conducted on the extract concentration effect of Maja Peel as an inhibitor of low carbon API 5L in corrosive medium of NaCl 3% and H2SO4 3%. The soaking process of low carbon API 5L was done for 35 days with variation of addition inhibito... see more

Telah dilakukan penelitian mengenai inhibisi korosi baja karbon rendah C-Mn steel oleh ekstrak daun teh (Camellia sinensis) dalam medium korosif HCl dan NaCl dengan konsentrasi masing-masing 3%. Pengujian dilakukan dengan metode penurunan berat. Laju kor... see more

1 of 2.304 pages  |  10  records  |  more records»