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Ethical dilemmas facing female teachers in the Arab education system in Israel
Waked, Johaina,Moshel, Smadar 서울대학교 교육연구소 2023 Asia Pacific Education Review Vol.24 No.4
Arab society in Israel is a minority in the process of change. Teachers are at the heart of these processes as agents of progress, education, and integration, while belonging at the same time to a traditional, religious, and patriarchal society that seeks to preserve its identity. The purpose of this study was to examine the ethical dilemmas that Arab teachers in Israel face in teaching students in Arab schools and to understand what considerations and values guide them in making ethical decisions and how they act on them. We interviewed 15 teachers who teach in Arab schools. The fndings of the study show that four categories related to ethical dilemmas characterize the work of teachers: an ethics of fairness versus an ethics of care, the neoliberal concept of ethics versus a professional ethics, a cultural ethics versus a professional ethics, and a professional ethics versus an ethics of care. Teachers adopted fve key strategies to address these dilemmas: equal treatment, customized teaching, compromise and appeasement, extra efort on the part of the teacher, and collaboration. This research contributes to the growing literature on ethics and education and adds a unique perspective that addresses the ethical dilemmas of teachers in traditional and conservative societies. The fndings of the study suggest that the professional ethics of Arab teachers, who in Israel belong to an ethnic minority, should be strengthened.
A Secure and Efficient Identity-Based Proxy Signcryption in Cloud Data Sharing
( Negalign Wake Hundera ),( Qian Mei ),( Hu Xiong ),( Dagmawit Mesfin Geressu ) 한국인터넷정보학회 2020 KSII Transactions on Internet and Information Syst Vol.14 No.1
As a user in modern societies with the rapid growth of Internet environment and more complicated business flow processes in order to be effective at work and accomplish things on time when the manager of the company went for a business trip, he/she need to delegate his/her signing authorities to someone such that, the delegatee can act as a manager and sign a message on his/her behalf. In order to make the delegation process more secure and authentic, we proposed a secure and efficient identity-based proxy signcryption in cloud data sharing (SE-IDPSC-CS), which provides a secure privilege delegation mechanism for a person to delegate his/her signcryption privilege to his/her proxy agent. Our scheme allows the manager of the company to delegate his/her signcryption privilege to his/her proxy agent and the proxy agent can act as a manager and generate signcrypted messages on his/her behalf using special information called ”proxy key”. Then, the proxy agent uploads the signcrypted ciphertext to a cloud service provider (CSP) which can only be downloaded, decrypted and verified by an authorized user at any time from any place through the Internet. Finally, the security analysis and experiment result determine that the proposed scheme outperforms previous works in terms of functionalities and computational time.
Sami WAKED,Khaled ALJAAIDI 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.5
This paper empirically examines the relationship between one of the major corporate governance attributes; family ownership and the audit committee activity across a sample of 430 publicly traded firms on the Saudi Stock Exchange (Tadawul) for the period 2012–2019. Using the Pooled OLS regression, this study finds that family ownership is negatively associated with audit committee activity. This study reported that family ownership is negatively associated with audit committee activity, giving support to the convergence-of-interest hypothesis. Therefore, the existence of family ownership as a monitoring corporate governance mechanism substitutes the audit committee activity as another monitoring mechanism. This study provides empirical evidence on the associations of two internal corporate governance mechanisms, namely; family ownership and audit committee activity in the Saudi context where there is a paucity of research in this area. The findings of this study provide a new understanding regarding the extent to which family ownership impacts the activity of audit committees in manufacturing companies. Similarly, the companies’ management, external auditors, bankers, and companies would also benefit from understanding the influential factors of the audit committee activities.
Taiji Sakai,Kanako Wake,Soichi Watanabe,Osamu Hashimoto 한국전자파학회JEES 2010 Journal of Electromagnetic Engineering and Science Vol.10 No.4
This study proposes a temperature compensation method of the complex permittivities of biological tissues and organs. The method is based on the temperature dependence of the Debye model of water, which has been thoroughly investigated. This method was applied to measured data at room temperature for whole blood, kidney cortex, bile, liver, and heart muscle. It is shown that our method can compensate for the Cole-Cole model using measured data at 20 ℃, given the Cole-Cole model based on measured data at 35 ℃, with a root-mean-squared deviation of 3~11 % and 2~6 % for the real and imaginary parts of the complex permittivities, respectively, among the measured tissues.
( Emad Abdallah ),( Emam Waked ),( Mahmoud A. Abdelwahab ) 대한신장학회 2016 Kidney Research and Clinical Practice Vol.35 No.1
Background: Interleukin-10 (IL-10) is an important immunoregulatory cytokine. There are few studies evaluating the association between IL-10 and lupus nephritis (LN). The aim of this study was to evaluate the association of IL-10 gene promoter -592 A/C with LN susceptibility. Methods: The study was conducted on 84 patients with systemic lupus erythematosus (SLE). Patients were divided into LN group (Group I, 48 patients) and non- LN group (Group II, 36 patients). The -592 A/C polymorphisms in IL-10 promoter gene were determined by polymerase chain reaction and restriction fragment length polymorphism in both groups. IL-10 was determined by enzyme-linked immunosorbent assay. Frequencies of the genotypes were compared between LN and non-LN patients and among LN patients with different pathologic classes. Results: There was a significant increase in serum level of IL-10 (P ¼ 0.001) in Group I compared with Group II and significant positive correlation between serum IL-10 and SLE disease activity index (r ¼ 0.466, P ¼ 0.001) in Group I. There were no significant differences in the distribution of the IL-10 gene promoter -592 A/C genotypes or the allele frequencies between Groups I and II. There was no significant difference between AC/CC and AA genotypes with SLE disease activity index, proteinuria, hematuria, anti-double-stranded DNA, and IL-10 in Group I. There was no significant difference in the distribution of AC and CC genotypes among different pathologic LN classes. Conclusion: IL-10 suggested to play a role in pathogenesis and development of LN. However, the promoter -592 A/C of IL-10 gene suggested to be not associated with serum IL-10 levels or LN susceptibility. In addition, it appears that promoter -592 A/C of IL-10 gene not associated with LN activity or the pathologic classes of LN.
Air to air fixed plate enthalpy heat exchanger, performance variation and energy analysis
Mohammad Shakir Nasif,Rafat Al-Waked,Masud Behnia,Graham Morrison 대한기계학회 2013 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.27 No.11
The thermal performance of a Z shape enthalpy heat exchanger utilising 70gsm Kraft paper as the heat and moisture transfer surface has been investigated. Effects of different inlet air humidity ratio conditions on the heat exchanger effectiveness and on the energy recovered by the heat exchanger have been the main focus of this investigation. A typical air conditioning cooling coil which incorporates an enthalpy heat exchanger has been modelled for tropical climate. Under test conditions, results have shown that latent effectiveness and the moisture resistance coefficient have strong dependency on the inlet air humidity ratio. Moreover, the latent effectiveness has been found to be strongly dependent on the moisture resistance coefficient rather than the convective mass transfer coefficient. Finally, annual energy analysis for Singapore weather conditions have also shown that energy recovered under variable inlet air conditions is 15% less than that recovered under constant inlet air conditions for the same heat exchanger.
Fawzy, Mariam M,Wahid, Ahmed,Nazmy, Maiiada H,Hashem, Mohamed,Waked, Imam,Abdelwahab, Sayed F Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.4
Background: HCV is a major global health problem. IL-27 is a member of the IL-6/IL-12 cytokine family with a broad range of anti-inflammatory properties. Recent studies highlighted the effect of a SNP in the IL-27 promoter region on modulating the progression of infectious diseases and individual responses to therapy. Aim of the work: The present study investigated the potential role of (-964 A/G) SNP in the promoter region of IL-27p28 gene (alleles rs153109) on the outcome of HCV infection among genotype 4a infected patients. Materials and Methods: HCV genotyping confirmed that all of the HCV-infected patients had genotype 4a infection. Genomic DNA was extracted from 111 patients with chronic HCV infection, 42 spontaneous resolvers (SR) and 16 healthy controls. IL- 27p28.rs153109 genotyping was assessed using PCR-RFLP then confirmed by DNA sequencing. Results: The frequency of IL-27-p28.rs153109AA, AG, and GG genotypes among chronically infected subjects were 74.8 %, 25.2%, and 0% while among the SR, they were 57.1%, 35.7%, and 7.14%, respectively. Our data show the unique presence of G/G genotype in the SR group (3 patients; 7.14%). Moreover, the "G" allele frequencies among chronic and resolved subjects were 12.6% and 25.0%, respectively (p=0.0136). Importantly, subjects with the GG genotype were more likely to clear their HCV infection than those with the AA genotype (p=0.0118). Conclusions: HCV genotype 4a subjects with the IL-27-p28.rs153109 A/G and G/G genotype were more likely to clear their HCV infection. Therefore, we propose IL- 27p28.rs153109SNPas a genetic biomarker for predicting HCV infection outcome.