SINTESIS DAN KARAKTERISASI KOMPOSIT SMART MAGNETIC BERBASIS BROWNMILLERITE Ca2Fe2O5/NiFe2O4

Analisis dan Sintesis Sinyal Suara

Audio signal information with high quality would help the television audience to increase the perception of the information displayed. Transmission channel capacity will become limited, while the need of channel communication is increased. The research aim is coding the audio signal on the low bit rate for saving the channel communication usage for digital television broadcasting. The research ...

Desain dan Implementasi Sistem Digital Assistant Berbasis Google Glass pada Rumah Sakit

Abstrak—Demi meningkatkan kinerja pelayanan di rumah sakit, salah satu solusi yang diperlukan adalah sebuah sistem yang dapat mempermudah staf medik fungsional dalam menunaikan tugasnya. Makalah ini membahas mengenai desain dan implementasi sistem digital assistant yang dirancang untuk digunakan oleh staf medik fungsional di rumah sakit. Sistem ini diimplementasikan menjadi perangkat lunak bern...

SYNTHESIS, CHARACTERIZATION AND NEUROTOXIC EFFECT OF SCHIFF BASE LIGANDS AND THEIR COMPLEXES (Sintesis, Pencirian dan Pengaruh Nurotoksik Bes Schiff dan Kompleksnya)

Two ligands and eight complexes are successfully synthesized by reacting 1,8-diaminonapthelene with aldehyde/ketone derivatives in 1:2 ratio for ligand formation and 1:1 ratio for complex formations. The compounds are characterized through CHN elemental anaysis, IR spectroscopy, H NMR spectroscopy, melting point and magnetic susceptibility determination. The neurotoxicity of compounds is evalua...

Crystal and magnetic structures of the brownmillerite Ca2Cr2O5.

Powder neutron diffraction and magnetic susceptibility measurements at 10-300 K have been used to determine the crystal and magnetic structures of brownmillerite type Ca(2)Cr(2)O(5), which was obtained by reduction of the high pressure phase CaCrO(3) through hard-soft chemistry. The ambient temperature crystal structure of Ca(2)Cr(2)O(5) is refined in space group I2mb and the unusual tetrahedra...

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