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Oil Spill Removal from Water Surfaces using Zinc Ferrite Magnetic Nanoparticles as A Sorbent Material

In this study, zinc ferrite magnetic nanoparticles (ZnFe2O4, ZFO MNPs) were employed as a sorbent for the removal of oil spill from water surfaces. ZFO MNPs were synthesized via a sol-gel process and characterized by Fourier transform infrared spectroscopy (FTIR) and X-ray powder diffraction (XRD). Both the apparent density and magnetic force were determined. ZFO MNPs presented a considerable magnetic force (40.22 mN) and an adequate density (0.5287 g/cm3), which are important for the magnetic separation and flotation. Four oil samples (gasoline engine oil, crude oil, used motor oil and diesel engine oil) were used to investigate the gravimetric oil removal capability of ZFO MNPs. The oil sorption capacities were found to be 23.00-6.13, 27.65-7.42, 22.62-7.01 and 30.54-9.93 g/g for crude, diesel engine, gasoline engine, and used motor oil, respectively. The current findings demonstrate that ZFO MNPs exhibit good properties (e.g., magnetic and density) and can be used as a sorbent for oil spill cleaning-up from water surfaces.

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Publication Date
Fri Jul 24 2020
Journal Name
Al-kindy College Medical Journal
Axillary Artery Injuries Surgical experience review in a single vascular trauma center

Background: Injuries to blood vessels are among the most dramatic challenges facing trauma surgeons because repair is often urgent, the surgeon has to decide between management options (open or endovascular), and gaining control and reconstructing a major arterial injury can be technically demanding .
Objective:,To analyze the cause of injury, surgical approach, outcome and complications of axillary artery injuries.
Methods A descriptive cross-sectional study on fifty patients at Ibn-Alnafees hospital in Baghdad from January 2005 to December 2010
Results Males were more commonly affected than female with ratio of 6.1:1. Most injuries were caused by bullet and shell (84%), followed by stab wounds (10%) and blunt trauma (6%). Pati

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Publication Date
Wed Jan 13 2021
Journal Name
Iraqi Journal Of Science
The Reduce of CO2 Emissions in Morocco: Case Study in A Landfill

In a global context increasingly concerned with climate change, understanding the impact of economic growth on the environment is becoming crucial, especially for developing countries. Morocco has been committed to the United Nations Framework Convention on Climate Change (UNFCCC) to achieve the objectives set for reducing greenhouse gas (GHG) emissions by 13% by 2030, with 2010 as the reference year. Such a target could reach 32% by the same horizon under certain technical, financial and capacity building support conditions.
The main emitters of greenhouse gases (CH4 and CO2) are landfills because during the decomposition of solid waste CO2 is the most present gas pollutant is for this reason focuses this case study carried out in a

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Publication Date
Fri Aug 28 2020
Journal Name
Iraqi Journal Of Science
Effects of Hematocrit on Blood Flow Through A Stenosed Human Carotid Artery

In this paper, the effects of hematocrit of red blood cells on blood flow through a stenosed human carotid artery was considered by taking blood as a Newtonian fluid. The governing equations on blood flow were derived. The mathematical content involved in the equations are the variables of interest such as number of stenosis , percentage of hematocrit  of red blood cells in the blood, flow rate, wall shear stress, and viscosity of the blood. Guided by medical data collected on the constraint of blood flow in stenosed human carotid arteries, the governing equations were used to check the effects of pressure gradient, wall shear stress, velocity, and volumetric flow rate of blood in the human carotid arteries. Also, the one-dimensiona

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Publication Date
Fri Jul 28 2017
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Folic Acid With Fluorene: A Complexation Study by UV and FTIR Spectroscopies

The complexation between folic acid and a typical polyaromatic hydrocarbon, fluorene, was investigated using FTIR and UV spectra. Appearance of a new IR band at 2401cm−1 demonstrates that NH2–C=N moiety on pterin ring in folic acid is protonated when fluorene is introduced. The emergence of two charge transfer bands at 217 nm and 278 nm in UV difference spectra shows the presence of π-π complexation between folic acid and fluorene. These experiments confirm that fluorene could combine with the pterin ring of folic acid through π-π donor–acceptor interaction and induce the protonation process in folic acid upon strengthening electron accepting ability of pterin ring. The results suggest that complexatio

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Publication Date
Mon Dec 25 2023
Journal Name
Journal Of Legal Sciences
The voluntary declaration in the tax legislation in UAE: A comparative study

Taxes are   the most important public revenues, especially in the context of state intervention and the transformation of the tax from a mere financial tool only into an economic and social guidance tool. Therefore, all countries are keen to preserve this revenue by creating a clear legal system on tax assignment and collection mechanisms, and controlling cases of tax evasion.

The tax administration applies   several methods to determine the tax base, which differ from one tax to another, and from one tax system to another. The most important of these methods are the tax returns declared by the taxpayers   ,  one of these  methods also  is to determine the tax base directly by the tax

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Publication Date
Thu Dec 31 2020
Journal Name
Political Sciences Journal
Islamic feminism is a discussion of paths for establishing an Islamic epistemology

If feminist philosophy in the context of feminist research focuses on how to produce an alternative knowledge and culture for women and forming anew awareness of their roles in the face of prevailing misconceptions then the topic of Islamic feminism is presented as a philosophical topic in the field of human knowledge to discuss how to produce an alternative knowledge of traditional knowledge prevailing in patriarchal societies to restore the balance of power and authority in the relationship between the sexes to create an effective feminist role in advocating for and defending womenś issues to achieve this Islamic feminism sought to establish an Islamic epistemology .

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Publication Date
Tue Dec 15 2020
Journal Name
Al-academy
Dramatic Construction in Quranic Text Surah Taha – A model: جبار خماط حسن

There are many varied studies that dealt with the dramatic construction, especially books and studies that addressed drama in its construction and the method of writing it, that no textbook or a general cultural content is void of tackling the dramatic text in its construction and how the dramatic action develops in it. Therefore, a question occurs to the mind about the feasibility of dealing with the dramatic construction in this time, where many contemporary studies of dramatology and its relation and the contemporary critical directions are accumulating. This question many have two realistic aspects, yet the novelty and originality that this research shows lie in addressing a refined linguistic text in its style and connotations, such

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Publication Date
Thu Jan 04 2024
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
A Proposed Audit Program for Lease Contracts in Insurance Companies Applying (IFRS16)

Abstract:

                 The research aims to clarify the impact of adopting the IFRS16 financial reporting standard on lease contracts in insurance companies on audit procedures. The change in the classification of lease contracts in the case of adopting the IFRS16 financial reporting standard necessarily requires audit procedures that are compatible with this change. A proposed audit program was prepared, guided by international auditing standards, based on the study of the client's environment and analysis of external and internal risks in the light of financial and non-financial indicators. The researchers reached a set of concl

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Publication Date
Thu Jul 29 2021
Journal Name
Journal Of Legal Sciences
The Role of Legislation in Facilitating the Investment Environment (Iraq a model)

The legislation contributes to facilitating the process of attracting investments to the state, in addition to the importance of strengthening the investment environment, which contributes to encouraging business in all economic fields and establishing the country's position on the map of preferred destinations for investment at the regional and global levels. With the vision of the state and its strategy to move towards the promising sectors of the economy, leading to comprehensive growth in all sectors at the level of the state economy, and the importance of integration and cooperation between all institutions and government and private departments.

The investment-driven factors, supporting the business environment in terms of

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Publication Date
Thu Aug 31 2023
Journal Name
Journal Of Legal Sciences
Conditions Related to the Nature of Hardship Necessitating Facilitation : A Comparative Study

The implementation of the rule of hardship brings facilitation requires several conditions that must be observed in order for the provisions to turn from difficulty to ease for the taxpayer, whether those conditions are related to hardship necessitating facilitation or conditions related to the person charged with hardship. Knowing this issue is extremely important, especially with regard to hardships that were not mentioned in terms of control or specification.

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