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The energy Transition in the Jordanian Media
Get PDFThe study aimed to clarify the role of scientific journalism towards stimulating investment in environmentally friendly renewable energy sources, which is one of the necessary challenges facing the Kingdom of Jordan for economic growth and social development, due to its heavy dependence on energy imports, which reflects negatively on the Jordanian economy. This study is one of the descriptive studies that focuses on describing a specific topic, as it is in the current reality, in terms of its general and detailed characteristics, including variables, elements, relationships, and influences, which are among the most prominent features of scientific journalism in terms of accuracy, credibility, and documented scientific sources. The study was based on the theory of dependence on the media, and since there are no programs that talk about the energy transition, in-depth interviews were conducted with specialists in renewable energy science and television programs to strengthen the theoretical framework. The study reached a number of results, including the scarcity of scientific journalists specializing in the environmental and energy fields, and that the development scientific journalism practices were not accompanied by accumulation at the level of scientific research, and the study showed the extent of negativity in dealing with environmental issues and energy transformation. The study recommended the need to support scientific research related to renewable energies in a way that makes it possible to benefit from them and employ them practically to serve society, and also achieve interactive participation with the public through covering energy issues in media programs, and providing media content that contributes to shaping public opinion and directing it towards understanding the reality about renewable energy, sustainable development is the subject of research
Scanning Electron Microscope evaluation of Enamel Damage after Bracket Debonding Using Two Techniques for Residual Resin Removal: (A randomized clinical trial)
Get PDFIntroduction: The purpose of this study was evaluation of enamel damage index (EDI) immediately after adhesive removal and after exposure to intraoral fluids for a period of 3 months, using tungsten carbide burs compared to stainbuster burs.
Methods: Twenty patients were randomly assigned into 2 main groups 10 patients each, where in Group I the enamel damage index was evaluated immediately after adhesive removal and in Group II the enamel damage index was evaluated after 3 months follow up. Forty premolars in each group were randomly assigned to either TC bur or SB bur groups. In Group 2, replicas using epoxy resin were made before bracket bonding (T0), after debonding (T1), and 3 months later. To better assess and compare the damage caused by different resin remnant removal protocols, the enamel damage was measured using the enamel age index.
Results: In Group 1, the EDI was significantly increased after immediate debonding in both the tungsten carbide bur (TC) (75% scored 1 and 25% were score 2) and stainbuster (SB) groups, (12.5% scored 1, 62.5% scored 2 and 25% scored 3) which significantly higher for SB group. In Group 2, the EDI significantly increased for both the Tungsten carbide (TC) and stainbuster bur (SB) groups immediately after debonding however, the EDI was insignificantly decreased after 3 months for both groups.
Conclusion: Enamel damage index was significantly increased immediately after adhesive removal for both Tungsten carbide and stainbuster burs. The enamel damage index was significantly higher for the stainbuster bur compared to Tungsten carbide bur (p value = 0.000). After exposure to intraoral fluids for 3 months, the enamel damage index was insignificantly reduced for both groups. Carbide bur had less enamel damage compared with stainbuster bur
The relationship between artificial intelligence and urban street design to meet contemporary human needs
Get PDFThe fast expansion of urban construction has given rise to urgent public health problems in the context of the green economy and sustainable urban development, notably environmental pollution and the rising prevalence of chronic illnesses associated with urbanization.
The idea of developing healthy cities is receiving much attention as a result of these growing urban health problems.
In the meantime, urban dwellers\u27 quality of life and health are significantly impacted by the planning and design of urban street space. Urban planners must accommodate resident demands for public events and make adjustments for motor vehicle traffic while adhering to the green economy principle. This study aims to optimize urban street space so that cars and humans can coexist.
This study actively investigates the relationship between social background, urban environment, and health, focusing on encouraging the optimization objective of sharing urban streets and the peaceful coexistence of people and automobiles.
The study\u27s primary objective is to Conclusion the main axes that define the relationship between artificial intelligence and urban design that meets contemporary human needs.
This research aims to conclude a relationship between the use of artificial intelligence in urban street design to meet contemporary human needs through four main axes: (enhancing safety and traffic management - improving accessibility and inclusion - environmental quality - maintenance and infrastructure management). This is done by analyzing models of streets whose problems have been addressed by applying artificial intelligence tools and by relying on the axes imposed by the study and proven to have an effective role. Based on that, we can apply these axes to solve contemporary street problems in our societies
Performance evaluation of novel and efficient integration of solar-assisted HVAC system with solar humidification-dehumidification desalination system
Get PDFThis paper aims to study the performance of a novel and efficient integration of a solar-assisted HVAC system with a solar humidification-dehumidification desalination system for hot climates. The proposed hybrid system aims to achieve thermal comfort conditions, produce freshwater, reduce the required power input, and reduce environmental pollution. To achieve this idea, we designed, constructed, and tested the novel hybrid system consisting of a solar-assisted HVAC system incorporated with a solar humidification-dehumidification desalination system. The device takes the rejected hot air that has passed over a solid desiccant and feeds it into a solar still to extract fresh water, while the increased utilization of solar power reduces the overall needed power, increasing the system’s COP. The study primarily focuses on the system\u27s capability to perform in hot and humid regions. The sensible and latent cooling capacities, dehumidification, and HVAC Coefficients of performance, as well as the amount of freshwater distilled, have all been recorded and compared. It is found that the system achieves the highest performance with higher temperatures and relative humidity. The maximum desalinated water produced was 3 l/day. System COP and GOR peaked at 1.23 and 1.4 respectively
Numerical Study of Local Scour Around Inclined Bridge Piles Under Wave Conditions
Get PDFScouring is an issue of interest in the bridge design process, in reality many inclined piers are used. Moreover, scour prosses around inclined piers have non-uniform behaviour depending on its exposure of their foundation into the flow field. The mean purpose of this paper is to study the flow and local scour evolution around the inclined piers to the flow under waves conditions using numerical work. For this purpose, a hydrodynamic and morphological three-dimensional model using RANS equations, and the turbulence k-ε model is used. The inclination direction affects both the strength and location of the scour. Different value of inclination angle study in this paper α= .The scour around a pile with wave condition regulated by the activity of lee wake and the horseshoe vortex. The upstream scour depth around the inclined pile is less than vertical pile. Simulations results expose the development of significant horseshoe vortices upstream the inclined pier change the scouring patterns variation when comparing inclined piles to vertical piles. As the inclination angle increases towards the downstream direction, the maximum scour depth reduces near the front of the inclined pile
Evaluation of marginal leakage of self-adhesive flowable composite on anterior primary teeth: In vitro study
Get PDFObjectives: This study aims to evaluate the bonding of self-adhesive flowable composite in comparison with traditional flowable composite with a fifth-generation total-etch bonding system in primary anterior teeth, by studying microleakage after application of these materials in-vitro.
Materials and Methods: The study sample consisted of 32 extracted primary canine teeth. The sample was divided into two equal groups (n=16) according to the type of restoration applied: (Group 1): Traditional flowable composite resin was applied with a fifth-generation total-etch bonding system, (Group 2): Self-adhesive flowable composite resin was applied alone. A class v cavity was prepared on the facial/lingual surface at the cemento-enamel junction, with 1.5 mm depth, 2 mm height, and 3 mm width. In this way, the incisal wall of the cavity is above the cemento-enamel junction within the enamel, while the gingival wall is below the cemento-enamel junction within the dentin or cementum.
The restorations were applied according to the group the tooth belongs to, after that all teeth were subjected to 500 thermocycling. then, a methylene blue dye microleakage test was performed, and longitudinal sections of the teeth were made and studied under the microscope.
Results: In the incisal wall, the scores of microleakage in the traditional flowable composite group was lower than the self-adhesive flowable composite group. While in the gingival wall, the scores of microleakage was similar in both groups of traditional flowable composite and self-adhesive flowable
composite, with no statistically significant differences.
Conclusions: within the limitations of this study, the bonding of the self-adhesive flowable composite resin is similar to the bonding of conventional flowable composite resin using the fifth generation bonding syste
The Effectiveness of the Reciprocal Teaching Strategy in Improving the Learning of Basic Stage Students from the Perspective of Islamic Education Teachers
Get PDFThis study aimed to identify the effectiveness of the reciprocal teaching strategy in improving the learning of basic stage students from the perspective of Islamic education teachers in public schools under the First Zarqa Directorate of Education. The study adopted a descriptive survey approach, utilizing a questionnaire as the primary data collection tool. The sample consisted of 175 male and female teachers from public schools in the First Zarqa Directorate of Education, selected through a cluster random sampling method. The results indicated that the effectiveness of the reciprocal teaching strategy in improving students\u27 learning, as perceived by Islamic education teachers, was high, with a mean score of 4.00. Additionally, the findings revealed statistically significant differences at the (α ≤ 0.05) significance level in teachers\u27 evaluations of the role of the reciprocal teaching strategy in enhancing student learning, attributed to gender, with female teachers showing more favorable evaluations. However, no significant differences were found based on teaching experience
The Degree of Servant Leadership Practices among Educational Supervisors and its Relationship with Teachers\u27 Professional Development Level in Zarqa Governorate
Get PDFThe aim of this study was to investigate the relationship between the degree of educational supervisors\u27 servant leadership practices and their connection to teachers\u27 professional development from the perspective of the supervisors themselves. The researcher used a descriptive correlational method and employed two questionnaires to collect data: the first consisting of 31 items to determine the degree of educational supervisors\u27 servant leadership practices, and the second consisting of 25 items to assess teachers\u27 professional development. The questionnaires were administered to a sample of 88 male and female supervisors. The results showed that the degree of educational supervisors\u27 servant leadership practices, from their perspective, was high, with a mean score of 3.89. Additionally, the results indicated that the level of teachers\u27 professional development was also high, with a mean score of 3.68. The study further revealed that there were no statistically significant differences at the significance level (α≤0.05) in the study sample\u27s assessments of the degree of educational supervisors\u27 servant leadership practices based on the variables of gender and years of experience. Furthermore, the results indicated a positive correlation between the level of supervisors\u27 servant leadership practices and the level of teachers\u27 professional development
Le changement des pratiques éducatives à l’ère de la COVID-19
No full textThe Covid-19 pandemic has led to the adoption of distance learning instead of face-to-face teaching. Thus, educational practices have taken a new breath of change in the different cycles of education. This situation implied the adoption of a new improvised and imposed didactic discourse, a new posture, and another way of communication and interaction with the learners. The tools used were adapted quickly to serve this immediate need.
This communication will observe the different tools used to facilitate the work of mediation between French teachers and primary school students. We will also question the effectiveness of remote interaction between them. Then, we will evaluate the impact of these practices on teacher performance and learner outcomes. Finally, we will question the roles of the school of the future and teaching practices in the context of the reform undertaken by the Moroccan state
L’intertextualité ou quand les imaginaires culturels se rencontrent
No full textThe literary text, regardless of its authors, does not carry a single, unequivocal voice anchored in an experience identifiable in a space situated in a specific time. This statement may provoke astonishment. Yet, this text, a complex reality in itself, like the canvas, invites a new way of reading and interpreting. This would allow us to discover either the constructive dialogue of proximity; or the echo of inter-personal violence; both revealed through the intertext. This article will attempt to examine this dual dimension in the work of Mohamed Nedali, thanks to Jean De La Fontaine