Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Kriaa A"'
Publikováno v:
Materials; Volume 14; Issue 7; Pages: 1696
Materials, Vol 14, Iss 1696, p 1696 (2021)
Materials
Materials, MDPI, 2021, 14 (7), pp.1696. ⟨10.3390/ma14071696⟩
Materials, Vol 14, Iss 1696, p 1696 (2021)
Materials
Materials, MDPI, 2021, 14 (7), pp.1696. ⟨10.3390/ma14071696⟩
International audience; In a scanning electron microscope, the backscattered electron intensity modulations are at the origin of the contrast of like-Kikuchi bands and crystalline defects. The Electron Channeling Contrast Imaging (ECCI) technique is
Publikováno v:
Applied Physics A. 127
The synthesis of (Ba 0.99 Ca 0.01 )(Zr 0.2 Ti 0.8 )O 3 (BCZT) and doped (Ba 0.99 Ca 0.01 )(Zr 0.2 Ti 0.8-x Mn x )O 3 (BCZT-xMn) ceramics was successfully carried out by the solid-state method. The doping effect is followed by X-ray powder diffraction
Publikováno v:
Materials Chemistry and Physics. 234:196-200
The praseodymium Pr3+ doped BaTi0.9(Yb0.5Nb0.5)0.1O3 (BTYN01) ceramic, under low concentration (0.1%), was prepared by a conventional ceramic fabrication technique and its phase structure, microstructure, dielectric, vibrational and photoluminescence
Autor:
Djamel Ghernaout, Majeda Khraisheh, Karim Kriaa, Muhammad Imran Khan, Abdallah Shanableh, Noureddine Elboughdiri, Mushtaq Hussain Lashari, Saad Ghareba
Publikováno v:
Membranes
Membranes, Vol 11, Iss 133, p 133 (2021)
Volume 11
Issue 2
Membranes, Vol 11, Iss 133, p 133 (2021)
Volume 11
Issue 2
In this work, the synthesis of a series of the functionalized inorganic/organic composite anion exchange membranes (AEMs) was carried out by employing the varying amount of inorganic filler consist of N-(trimethoxysilylpropyl)-N,N,N-trimethylammonium
Autor:
Karim Kriaa, Bilel Hadrich
Publikováno v:
Journal of Pharmaceutical Innovation. 14:141-151
A new approach was proposed to model the extraction kinetics according to the operating parameters. This approach is based on the determination of the critical time tc (a characteristic time which depends on the operating parameters). It is necessary
Publikováno v:
Ceramics International. 44:13595-13601
In this study, lead-free Ba1-xCaxZryTi1-yO3 (BCTZ(x, y)) ceramics were prepared by means of the classic solid-state reaction method. The morphotropic phase transition (MPB) from the orthorhombic to the tetragonal phase (O-T) was identified in this co
Autor:
Issa Kriaa, Z. Abdelkafi
Publikováno v:
Ceramics International. 44:4413-4418
The present work investigates the structural, dielectric, ferroelectric, Raman spectroscopy properties and electrocaloric effect in lead free BaTi1−x(Nb0.5Yb0.5)xO3 (BTNY) (x = 0.1 and x = 0.125) ceramics. The dielectric study indicated a relaxor b
Publikováno v:
Chemical Engineering and Processing - Process Intensification. 124:164-173
The present study is conducted to investigate the effect(s) of ultrasonic pretreatment on the extraction of essential oils from dried leaves of lemongrass (Cymbopogon flexuosus) by hydro-distillation. The drying process was carried out within a force
Publikováno v:
Materials Science and Engineering: B. 227:110-115
Polycrystalline lead-free calcium bismuth titanate (Ba1−xCax)1−3y/2BiyTiO3 (BCBT) ferroelectric ceramics were synthesized by conventional solid state reaction process. The dielectric permittivity and ferroelectric hysteresis loops were measured.
Publikováno v:
Applied Thermal Engineering. 124:1382-1391
In the present paper, the recovered air mass flow from the cooling zone to the firing zone was optimized in order to reduce the natural gas consumption during the manufacturing of hollow bricks in a tunnel kiln. Basing on heat and mass transfer insid