Results 31 to 40 of about 57,449 (93)

Improving the Physical and Mechanical Properties of Fireclay Refractory Bricks by Added Bauxite

Journal of Engineering, 2019
In this study, the investigation of Local natural Iraqi rocks kaolin with the addition of different proportions of bauxite and its effect on the physical and mechanical properties of the produced refractories was conducted.
Sarmad Imad Ibrahim, Nahedh Mahmud Ali, Tamara Wahid Abood   +2 more
doaj   +1 more source

Effect of Zirconia (ZrO2) Addition on Some Characteristics of Iraqi Bauxite Refractories [PDF]

Engineering and Technology Journal, 2009
Use Iraqi Bauxite (64.2%) Alumina was calculated at (1400 oC ) and Graingradient limited after add kaolin and Sodium Silicate to increase compaction bauxite grain and then addition different weight percentage from zirconia to mixture (0, 5, 10, 15, 20 ...
Shehab Al-jubouri, Intisar Al-Badrani
doaj   +1 more source

Coke Decomposition Kinetic Model of Spent Hydrodesulfurization Catalysts [PDF]

Journal of Applied Sciences and Nanotechnology
Recycling residue hydrodesulfurization (HDS) catalysts is essential due to frequent deactivation. Petroleum coke's high ignition temperature and complex combustion behavior stem from its graphite-like structure and low volatile matter.
Aymen Zween, Zaidoon Shakor, Bashir Sherhan   +2 more
doaj   +1 more source

Effect of Porosity on Thermal Conductivity and Flexural Strength of Ceramic Foam [PDF]

Engineering and Technology Journal, 2016
Refractory ceramics used for thermal insulating applications should be porous; containing large number of air cells.This work addresses a highly porous local ceramic prepared via simple and low cost process (direct foaming method) by using Iraqi raw ...
Shihab Ahmed Zaidan, AbdalKhalaq F. Hamood, Sara Nabil Ibrahim   +2 more
doaj   +1 more source

Active Chlorine Antiseptics in Wound Care: Recent Advances and Perspectives for Military Medicine

APMIS, Volume 134, Issue 6, June 2026.
ABSTRACT The spread of multidrug‐resistant microorganisms remains a major global challenge that continues to worsen. Modern military conflicts intensify this problem by forcing healthcare systems to manage large numbers of patients with complex, heavily contaminated injuries in resource‐limited settings.
Bohdan Murashevych, Dmytro Stepanskyi, William M. Wuest, Tim Holm Jakobsen   +3 more
wiley   +1 more source

Enhancing mechanical and physical properties of natural rubber nanocomposites with classical and nanofillers: experimental and numerical modeling approach

Discover Applied Sciences
This study investigated the effects of varying contents of carbon black, Iraqi kaolin, and graphene nanofillers on the cure characteristics, mechanical properties, abrasion resistance, tear behavior, and fatigue performance of the natural rubber (NR ...
Emad K. Njim, Muhsin J. Jweeg, Naeem Abdulmohsin Alhilo, Mohammed H. Almaamori, Muhammad Safa Al-Din Tahir, Royal Madan, Mohsin Abdullah Al-Shammari, Manoj Kumar Singh   +7 more
doaj   +1 more source

USING LOCAL IRAQI MATERIALS IN PRODUCTION OF REFRACTORY BONDING MORTAR

Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ, 2018
The Iraqi kaolin clay was used as a raw material in this research. three mix proportion was applied, (96:4), (93:7) and (90:10) as (kaolin grog: kaolin binding ).
Katreen E. Al Hwaidy, Shatha S. Hassan, Osama A. Eedan   +2 more
doaj   +1 more source

Potential plant leaves as sustainable green coagulant for turbidity removal

Heliyon, 2023
Chemical coagulation–flocculation has been used widely in water and wastewater treatment. In the present study, green coagulant was investigated. The role of Iraqi plants was examined to remove turbidity by using kaolin synthetic water. Thirteen selected
Ayat Khalid Salem, Asia Fadhile Almansoory, Israa Abdulwahab Al-Baldawi   +2 more
doaj   +1 more source

The Iraqi Federation: Origin, Operation and Significance [PDF]

, 2014
The study is about federalism in Iraq. It examines Iraq as a federation not just as a post-conflict state, as much of the existing literature does. The thesis investigates the origin and formation of the Iraqi federation, as one of the new federal models,
Shakir, Farah
core  

Depositional Facies, Sequence Stratigraphy, and Diagenesis of Lower Cretaceous Carbonate Reservoir, Southern Iraq: Implications for Petroleum Exploration

Journal of Petroleum Geology, Volume 49, Issue 2, Page 312-345, April 2026.
ABSTRACT The Lower Cretaceous Yamama Formation of southern Iraq represents a key carbonate reservoir within Iraq and the Middle East, yet its complex depositional facies architecture and diagenetic alterations present challenges for predicting reservoir quality.
A. K. A. Mohammed, F. Velledits, I. Q. Mohammed, M. Alsuwaidi, H. Mansurbeg, F. Kristály, D. K. Ivanova, Eloi González‐Esvertit, A. Awdal   +8 more
wiley   +1 more source