This research aims to modify the components of stainless steel alloy by the method of surface engineering through the single diffusion coating technique in order to obtain new alloys with high efficiency in resisting harsh environmental conditions. Steam a mixture of sodium chloride ( ) and sodium sulfate ( ) at a temperature of 900 and then compare it with the base alloy. The results showed that the alloys produced in this way are very efficient. The results showed that the aluminum coating showed high efficiency in resisting oxidation and provided better protection for a longer time compared to the uncoated alloy due to the oxide crust layer formed with high adhesion as well as the aluminum-rich phases, whether the phases were nickel-aluminum or iron-aluminum. The results also showed that the thickness of the coating and the weight gain of the alloy is subject to the parabola relationship with time.
Abstract: Background: Staphylococcus aureus is Gram-positive bacteria that lives as a normal flora in living organisms but can be pathogenic to humans. Although a relatively unspectacular, nonmotile coccoid bacterium, S. aureus is a dangerous human pathogen in both community-acquired and nosocomial infections. Due to the increasing emergence of new strains of this antibiotic-resistant bacteria, it has become essential to approach different methods to control this pathogen. One of these methods is the antimicrobial photodynamic inactivation process using a low-level laser, in this paper, the Photodynamic effects of Rose Bengal and LLLL on the virulence factors of S.aureus were evaluated.
The purpose of this research is to investigate the events and events that took place after the death of Imam Musa al-Kadhim (peace be upon him) and the role of Ahmad ibn Musa (peace be upon him) in the succession of Imam al-Rida (peace be upon him). Will the writer attempt to answer the question about the role
Jeder Lernende, der in der Fremdsprache Deutsch kommunizieren möchte, wird sich auch mit der deutschen Aussprache beschäftigen (müssen). Wer eine gute Aussprache hat, wird nicht nur oft und zu Recht bewundert, er hat es auch leichter, die deutsche Sprache zu verstehen, und er wird gut verstanden. Aussprachefehler beeinträchtigen die Kommunikation, sie führen zur Unverständlichkeit von Namen, Wörtern und Äußerungen oder Mißverständnissen, sie bewirken Ermüdung und Konzentrationsverluste und beeinträchtigen die Sprachverarbeitung durch Assoziationen und Emotionen, die beim Hörer entstehen können.’’[1]
Diese vorliegende Forschung befasst sich mit der Wic
... Show Moreالحمد لله رب العالمين والصلاة والسلام على سيد المرسلين أبي القاسم محمد (صلى الله عليه وآله وسلم ) وعلى آله الأطهار الميامين ، وصحبه الأبرار المنتجبين إلى يوم الدين 0
وبعد : فإن أجلّ ما بأيدي أبناء هذه الأمة القرآن كتاب ربّها ، الناطق بمصالح دينها ودنياها ، الذي جعله الله تعالى هدىً ورحمةً للعالمين ، وأنزله على خير خلقه من عباده محمّد الصادق الأمين ، وحث المسلمين على أتباعه ، وأمرهم على ل
... Show MoreThe Holy Koran is the highest text in the eloquence, It is one of the
important sources of the linguistic syntactic and eloquent study; it impacts
upon these sciences Avery intense impact through advancing its verses as an
argument in the confirmation of the significance of the term
The holy Koran was and still the fountain of the linguistic studies, as
they tend towards it since the second century of the hegira. So this research is
a study of the expressive terms concerning the rain in the holly Koran, a
linguistic study; it aims to study the term concerning its linguistic and
conjugate significance and its expression concerning the rain through reality
and metaphor.
The issue of volunteerism is one of the most important issues that have become prominent in social sciences and contemporary social thought, especially as a result of the transformations and changes that the world undergoes today. The voluntary sector has become the concern of all societies and governments for its development and service to society and various sectors. The practice of women is prominent in the work of volunteerism after 2003 in Iraq, but its work face a number of obstacles and hindrance. The problem of research is the obstacles of women's work in non-governmental organizations. The research aims to identify the nature and characteristics of volunteer work of Iraqi women. &nb
... Show MoreThe Abbasid Caliphate generally paid attention to the financial aspect through the collection of resources , And also in terms of spending these resources
Islam is a religion that God wanted to be a platform emerges from human steps in various walks of devotional and economic life, etc, so it went Islam, guids human beings being as successor of God on earth.
The result that the worship of man for the Lord, which is one of the reconstruction of the land that is the secret of the sustainability of human life on the ground, often urged the Sunnah on the reconstruction of the earth and the importance of planting them and paired the reconstruction work that obtained by the human reward which would Allah his home in the Hereafter, There construction of the earth does not involve just planting them; it takes many forms Maintaining them and not marring the form of reconstruction and
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