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The purpose of this paper is to examine firms' strategies to change long‐ and short‐term debt financing in Egypt. It aims to examine a list of capital structure determinants that include the basic assumptions of the three well‐known theories of capital structure: tradeoff, pecking order, and free cash.

The paper utilizes the properties of partial adjustment model for three heterogeneous systematic risk classes: high, medium and low. The sensitivity analysis is carried out using the “extreme bound analysis”.

The results indicate that Egyptian firms adjust short‐ and long‐term debt according to the class of systematic risk; long‐term debt is a source of financing at all classes of systematic risk; firms have obvious tendency to extent short‐ to long‐term one; medium risk firms adjust long‐term debt according to the industry average debt, and depend heavily on long‐term debt financing; firms depend significantly and constantly on the liquidity position to adjust short‐term debt levels; and medium risk firms are relatively affected by the basic assumptions of free cash flow and low‐risk firms are relatively affected by the assumptions of the pecking order theory.

In general, the results provide evidence that the three theories have transitory effect from developed markets to transitional markets. In addition, the firm‐specific variables (industry characteristic, size and time) provide an additional support to the robustness of the results.

Few, if any studies, have been carried out in Egyptian data.

The purpose of this paper is to evaluate the effect of different drying methods on quality attributes of beetroot slices.

Three drying methods (sun, oven and freeze-drying) were applied to dry fresh slices of beetroot cultivar (Beta vulgaris). The chemical composition, minerals, nitrate, betalains, total phenolic, total flavonoid and color were measured for fresh and dried slices.

The chemical composition, minerals, nitrate, bioactive compounds and color were measured for fresh and dried slices. Regardless of the drying method, the results showed that the chemical composition, total energy, minerals and nitrate of the dried slices were significantly (p=0.05) increased compared to that of fresh slices. Sun and oven drying of the slices significantly (p=0.05) reduced total betalain and betacynin. However, betaxanthin was significantly (p=0.05) increased. Total phenolics content of fresh beetroot was significantly (p=0.05) increased after sun and oven drying but total flavonoids were decreased. The 2,2,-diphenyl-2-picryl-hydrazyl (DPPH) of fresh beetroot was increased significantly (p=0.05) after sun and oven drying. The measurement of the color of the powder showed that there is a decrease in lightness (L) depending on the drying method applied. A maximum reduction in lightness was observed in powder of sun-dried slices. The color of the powder obtained from freeze-dried slices was stable compared to other drying methods.

Beetroot is a rich source of nutrients but with short shelf life. Dried beetroot has more keeping quality than the fresh one.

The study uses beetroot as a rich source of nutrients as well as natural antioxidant source. Betalain compounds are preserved in beetroot and a high source of phenolics and flavonoids. Flavonoids are a group of phenolic products of plant metabolism with high antioxidant properties to protect against diseases without side effects.

The ideology of “Local Architecture” was about the religious experience, social and cultural interpretations non-awareness, and solutions for environmental and social problems. This case aims at producing a compatible architecture for this society. The problem of the paper deals with the absence of the local heritage in contemporary architecture. Most of our buildings reflect western ideologies, and use the local vocabulary, as has happened in most of the Arab architecture, that deals directly with a language of shapes to create compatibility with the public. Hence, the aim of the paper is to link the variables that the contemporary architecture formulated with concepts of local architecture. To meet such aims, the research is pivot around two themes: Firstly, tackling how to extract the forces that lead to the contemporariness of local heritage and formalize the DNA of any local community (Culture, Community Aspiration, Climate, and Technology), as well as discussing some experience that dealt with local architecture. Secondly, discussing some recent trials that learned from the previous attempts through history. The attempts strongly re-activate the local architecture in the contemporary challenges, namely, the use of heritage forms as is to conform to environmental determinants, development of these forms using contemporary materials through the visions of local architecture, and employing high-tech solutions to achieve contemporary appropriateness within traditional ideologies. In the end, the paper presents new ideas of the local architecture that learned from the previous experiences in our Arab societies to meet the needs of today's Arab societies.

Interpersonal and informal ties and networks, known as wasta in the Arab Middle East region, remain a major force in Middle Eastern societies, determining most economic, social and political outcomes. Yet the literature on informal ties and networks is largely characterized by a lack of contributions from the Arab world, despite the adverse effect that lack of understanding of the wasta phenomenon is having on the effectiveness of expatriate managers and subsequently on business performance. This chapter therefore aims to shed light on the meaning, characteristics, structure, and role of wasta in establishing and maintaining successful business relationships. It ends with recommendations for foreign investors and international managers who wish to establish and maintain successful business relationships in the Middle East on how to capitalize on interpersonal networks within this process.

This study aims to explain the Sukuk structures individually by highlighting the key differences and commonalities in their influential aspects. It also compares the core aspects of Sukuk literature with conventional bonds and suggests the point of differences between them.

This study uses a quali-quantitative approach with the help of segmented bibliometric analysis to describe core differences and commonalities in various Sukuk structures in terms of core authors, countries, sources, affiliation, documents and keywords. In addition, it deploys “biblioshiny” from R-package “bibliometrix 3.0” to identify key influential aspects of different Sukuk instruments.

Results reported that Malaysia is the core contributing country in Sukuk publications and the center of author correspondence. There is a structural difference among various Sukuk instruments. The significant literature commonalities in Ijarah, Mudarabah, Musharakah and Murabahah Sukuk affiliations and globally cited journal articles are also found. However, the influential aspects of Sukuk compared with conventional bonds are different from other Sukuk literature. It also conducted a keyword analysis to report significant themes in the literature.

This study contributes to the existing body of knowledge as it helps investors to understand the shariah permissibility and investment supremacy of various Sukuk alternatives. Investors, policymakers, scholars and researchers should understand the dynamics of multiple Sukuk structures and their Shari’ah permissibility. This study significantly elaborates on this objective.

Cyclic voltametry and potentiodynamic single sweep techniques are used to study the electrochemical behaviour of lead in Na₂CO₃ solutions containing various concentrations of ClO₄^‐ as aggressive anion. The effects of different concentrations, in terms of destruction of passivity and initiation of pitting corrosion, were monitored with reference to the change in integrated anodic charge. It was found that Δq_a (taken as a measure of the extent of pitting) varies linearly with log C_ClO4‐. The pitting corrosion potential, E_pitting, varies with log C_ClO4‐ according to sigmoidal curves. These curves are explained on the basis of formation of passive, active and continuously propagating pits. Additions of aliphatic amines shift the pitting corrosion potential, E_pitting, into the noble (positive) direction, indicating the inhibition action of the added amines on the pitting attack. E_pitting varies with the logarithm of the inhibitor concentration according to: E_pitting = a + b log C_inh. The inhibition of pitting corrosion by the aliphatic amines is assumed to be due to either competitive adsorption between the CO₃^2– with ClO₄^‐ anions, and/or the chemisorption of the amine on the metal with the formation of a metal‐nitrogen coordination bond. The efficiency of these compounds as pitting corrosion inhibitors increases with the increase in the chain length of the alkyl group.

The current study aims to analyze the role of International Federation of Accountants (IFAC) in sustainability issues and its impact on the attitude of practitioners (auditors) in industrial companies. The current study relies on the analytical method, one of the tools of the inductive approach, by examining the literature of researchers, international and local organizations, publications, series, alerts, and topics dealt with by the IFAC, as well as reviewing studies, theoretical and applied research, periodicals, books, and statistics. And specialized publications for this subject, which is related to other sciences – such as – environmental science, economic, and political sciences. The study reached many results, the most important of which are: (1) The first half of the current decade has seen high interest from the IFAC, has led to the issuance of International Auditing and Assurance Standards Board (IAASB) international standard on assurance engagements 3410, (GHG) Statements. (2) Sustainability has become important to a growing number of enterprises, and may have a significant influence, in certain cases, the financial statements, also became the sustainability of the topics under increasing attention from users of financial statements. Thus, the financial statements will need a practitioner to take into consideration sustainability issues and a private greenhouse gas when auditing the financial statements. This study is distinguished by analyzing the role of the IFAC and the IAASB for the period from 1998 to 2023 regarding sustainability issues.

This paper debates the Islamic perspective on the work ethics employed in an organization. It aims to discuss the issues of assumptions involving the Islamic Work Ethic (IWE). Therefore, this paper addresses the gap in the management literature and suggests a group of dimensions from fundamentals of Islam.

The paper reviews the foundations of IWE and investigates various empirical studies conducted in several countries. Then, briefly presents a short historical and conceptual review of the work ethic construct, suggests a general conceptual definition of work ethic, and offers multidimensional model including a series of constructs which can enable researchers to evaluate and measure work ethic in Islamic societies.

The study reveals that there is an evidence of ethics formulation depending on Islamic literature which constructs Islamic values for work. This paper proposes new perspective about the right ethics of work in Islam. Further, multidimensional model including 18 dimensions has been developed to evaluate work ethic in Islamic societies.

This field needs to reconsider the constructs of IWEs where it is far from reflecting Islamic theory. This paper presents new dimensions which can be utilized to enrich this area.

This is one of the few attempts to suggest the appropriate constructs of IWE in the management literature. It provides 18 elements responsible and have the promise to strengthen individual transparency and morally which eventually enhance economic progress in Islamic world.

The purpose of the paper is to showcase the significant achievements of Egypt's scientists in the 20th century across various fields of study such as medicine, physics, chemistry, biology, math, geology, astronomy and engineering. The paper highlights the struggles and successes of these scientists, as well as the cultural, social and political factors that influenced their lives and work. The aim is to inspire young people to pursue careers in science and make their own contributions to society by presenting these scientists as role models for hard work and dedication. Ultimately, the paper seeks to promote the importance of science and its impact on society.

The purpose of this review is to present the scientific biographies of Egypt's most distinguished scientists, primarily in the field of Natural Sciences, in a balanced and comprehensive manner. The work is objective, honest and abstract, avoiding any bias or exaggeration. The author provides a clear and concise methodology, including a brief introduction to the scientist and their field of study, an explanation of their major contributions, the impact of their work on society, any challenges or obstacles faced during their career and their lasting legacy. The aim is to showcase the important achievements of these scientists, their impact on their respective fields and to inspire future generations to pursue scientific careers.

The group of outstanding scientists in 20th century Egypt were shaped by various factors, including familial upbringing, education, society, political and cultural atmosphere and state support for scientific research. These scientists made significant contributions to various academic disciplines, including medicine, physics, chemistry, biology, mathematics and engineering. Their impact on their communities and cultures has received international acclaim, making them role models for future generations of scientists and researchers. The history of these scientists highlights the importance of educational investments and supporting scientific research to foster innovation and social progress. The encyclopedia serves as a useful tool for students, instructors and education professionals, preserving Egypt's scientific heritage and honouring the scientists' outstanding accomplishments.

The encyclopedia preserves Egypt's scientific heritage, which has been overlooked for political or other reasons. It is a useful tool for a variety of readers, including students, instructors and education professionals, and it offers insights into universally relevant scientific success factors as well as scientific research methodologies. The encyclopedia honours the outstanding scientific accomplishments of Egyptian researchers and their contributions to the world's scientific community.

The practical implications of this paper are several. First, it highlights the importance of education, family upbringing and societal support for scientific research in fostering innovation and social progress. Second, it underscores the need for continued funding and support for scientific research to maintain and build upon the accomplishments of past generations of scientists. Third, it encourages young people to pursue scientific careers and make their own contributions to society. Fourth, it preserves the scientific heritage of Egypt and honors the contributions of its outstanding scientists. Finally, it serves as a useful tool for students, instructors and education professionals seeking to understand the factors underlying scientific success and research methodologies.

The social implications of the paper include promoting national pride and cultural identity, raising awareness of the importance of education and scientific research in driving social progress, inspiring future generations of scientists and researchers, reducing socioeconomic disparities and emphasizing the role of society, politics and culture in shaping scientific researchers' personalities and interests.

The paper's originality/value lies in its comprehensive documentation of the scientific biographies of Egypt's most prominent scientists in the 20th century, providing unique insights into the factors that contributed to their development and their impact across various academic disciplines. It preserves Egypt's scientific heritage and inspires future generations of scientists and researchers through the promotion of educational investments and scientific research. The encyclopedia serves as a useful tool for education professionals seeking to understand scientific success factors and research methodologies, emphasizing the importance of supportive and inclusive environments for scientific development.