Social Media Integration In Secondary Education In Pakistan

This paper investigates the adequacy of social media implementation in the context of secondary education in Pakistan and highlights the importance and necessity of social media in secondary education. This research has helped in understanding the pros and cons of social media implementation in classrooms and also facilitated in analyzing whether social media helps in student learning, classroom performances, competencies and academic grow. The qualitative study paradigm was used for this research. Six phenomenological interviews were conducted from secondary school teachers.In the light of the derived results. It was concluded that social media was an essential tool that could be used to make classrooms more engaging and ethnically diverse. Results suggested that teachers spent time implementing social media in their classrooms for academic purposes and teachers used these forums for self-education and to interact with like-minded people. Social media can serve the most momentous purposes in education system as today’s digitalized world is all about the Internet and technology, and hence it becomes compulsory for the educationist to understand the importance social networkin

Comparison between Theoretical and Experimental Radial Electron Temperature Profiles in a Low Density Weakly Ionized Plasma

Experimental and theoretical studies of the radial distribution function of the electron temperature (RDFT) in a low-density plasma and weakly ionized gas for the abnormal glow region are presented. Experimentally, the electron temperatures and densities are measured by a Langmuir probe moved radially from the center to the edge of the cathode electrode for helium gas at different pressures in the low-pressure glow discharge. The comparison of the final experimental data for the radial distribution of electron temperatures and densities for different low pressures ranging from 0.2 to 1.2 torr, with the final proved equation of RDFT confirms that the electron temperatures decrease with increasing product of radial distance and gas pressures, showing a radial decrement dependence of the electron temperature from the center to the edge of the electrode. This is attributed to the increase of the number of electron-atom collisions at higher gas pressures and consequently of the rate of ionization. For the axial distance (L) from the tip of the probe to cathode electrode and the cathode electrode radius (R), a theoretical and experimental comparison for the two conditions L R, for both cases the produced plasma temperatures decrease and densities increase. It is concluded that the RDFT accurately shows a dramatic decrease for L R similar as for conditions of magnetized and unmagnetized effect for DC plasma. This means that the rate of plasma loss by diffusion decreased for L < R, agrees well with the applied of magneti

Effectiveness of Ozone Treatment for Chronic Anal Fistula

Objective: To find out if the ozone treatment is promising for chronic anal fistula. Study Design: Non Randomized Trial.Study Location and Duration: General Surgery Department Bahawal Victoria Hospital Bahawalpur. From 20 December 2017 to 28 February 2019. Material and methods: A total of 57 patients were included in our study. Success of the treatment was based upon the cessation of the discharge and closure of the anorectal fistula at the end of the treatment. Statistical analysis was done using computer software SPSS version 23. Mean and standard deviation was calculated for continuous variables like age etc. and frequency and percentage was taken for categorical variables like, gender etc. Comparison of number of sessions for healing and non healing patients was done using a t test. P value of less than or equal to 0.05 was taken as significant. Results: A total of 57 patients presenting with anorectal fistula were included in the study. A total of 19 patients received 60 volume of ozone, 23 received 120 volume of ozone and remaining 15 received 180 volume of ozone. Means and standard deviation of sessions of treatment with ozone was 8.29±3.66. Closure of the fistula was seen in only 14 patients while 43 did not show any improvements or they had reoccurrence of anorectal fistula after getting treatment with ozone.  Conclusion: On the basis of the results of this study, it can be concluded that ozone insufflation is not a promising treatment option for the treatment of anorectal fistula. There were no associated side effects of ozone insufflation. Further studies are required with larger sample size. Keywords: Ozone Insufflation, Anal Fistula, Enterocutaneous Fistula DOI: 10.7176/JMPB/55-20 Publication date:May 31st 201

Whether Alvarado scoring system is A Reliable Diagnostic Tool for Acute Appendicitis.

Objective: to evaluate the diagnostic accuracy (discrimination) and implementation performance of Alvarado score. Methodology: This cross sectional study was done in Surgerical unit of Bahawal Victoria  hospital Bahawalpur under supervision of consultant Surgeons of department. Study duration was 1 year from March 2018 to March 2019. For quantitative variables like age of patients Mean and SD was calculated, and frequency percentages were calculated for categorical data like gender. Negative appendectomy rate, positive predictive value, negative predictive value, sensitivity, specificity was calculated by using 2-2 contingency table. Results: Total 300patients enrolled in this study, both genders. Alvarado scoring at presentation, 15% (n=45) patients were categorized into Group I. 13% (n=39) patients were included in Group II. While, 72% (n=216) were enrolled in Group III. Diagnostic test was positive in 223 patients. While, acute appendicitis was confirmed histo-pathologically in 160 patients. Gangrenous appendicitis observed in 3 patients. Chronic appendicitis, perforated appendicitis, appendicular abscess, no specific pathology, gangrenous intestine and salpingo-oophoritis was observed as 31, 6, 9, 6,3 and 5 respectively. There were 174 patients true positive, 49 were false positive, 59 were false negative and 18 were true negative. Sensitivity, specificity, negative predictive value and negative predictive value were 74.68% 26.87%, 78.02% and 23.37% respectively. Conclusion: Alvarado scoring system is useful tool in diagnosis of appendicitis in pre-operative period which can be useful for surgeons at any level of health care. According to our study observations Alvarado scoring system has better sensitivity 74.68% but specificity 26.87% which shows that Alvarado scoring system is helpful in diagnosis of appendicitis but not much helpful in preventing negative laparotomies. Keywords: Right lower quadrant pain, Appendicitis scoring, Faecal peritonitis, Ultrasound abdomen, Perforated appendix. DOI: 10.7176/JMPB/55-15 Publication date:May 31st 201

Génération des plasmons polaritons de surface en configuration de Kretschmann

International audienceWe studied the surface plasmon modes in a kretschmann geometry corresponding to a thin metal layer bounded by a dielectric layer. The influence of Ag and Ti thickness separately on the Plasmon surface polariton resonance for Air and ITO dielectric debris, which are excited by an electromagnetic wave in the visible band (λ= 633 nm), was investigated and compared. ). Four P/Ag/ITO and P/Ag/Air and P/Ti /Air and P/Ti/ITO structures were taken and the dielectric permittivity of the metals is described by the Drude model.Nous avons étudié le modes de plasmons de surface dans une géométrie de kretschmann correspondant à une couche mince metalique limitée par une couche diélectrique. On a étudié et comparé l'influence de l'épaisseur de l'Ag et Ti séparément sur la résonance du Plasmon polariton de surface pour defrente dielectrique Air et ITO, qui sont excitées par une onde électromagnétique dans la bande visible (l=633 nm). On a pris quatre structures P/Ag/ITO et P/Ag/Air et P/Ti/Air et P/Ti/ITO et la permittivité diélectrique des meteax est décrite par le modèle de Drude

Investigation of heavy metal contamination and ecological and health risks in farmland soils from southeastern phosphate plateaus of Khouribga (Morocco)

The present study was conducted in the SE area of phosphate plateaus (Khouribga) located in central Morocco. It attempted to assess the heavy metal (HM) (Cd, Cr, Cu, Pb, Zn) contamination in the farmland soils and their potential ecological hazard and non-non-carcinogenic risks using various pollution indices, magnetic susceptibility (MS), and Geographical Information System (GIS) methods. A total of 41 soil samples were collected and analyzed for pH, electrical conductivity (EC), grain-size, organic matter (OM), calcium carbonate (CaCO3), and MS and HM elements. The results showed a mean dominance order of Zn&gt;Cr&gt;Cu&gt;Pb&gt;Cd where mean concentrations of HMs, except Pb, exceeded their local background and Food and Agriculture Organization (FAO) and World Health Organization (WHO) permissible guidelines. The values of geo-accumulation index (Igeo), nemerow pollution index (PI), and pollution load index (PLI) revealed significant high level of HM contamination in soils. The MS values showed a spatial distribution pattern similar to those of HMs, attesting the ability of the MS method for mapping the contaminated soils. Agricultural and mining activities and geologic materials were the main sources of HM accumulation. According to the potential ecological risk index (RI) (195.93&lt;RI&lt;1092.53), the soil samples had moderate (65.85%) to high ecological (34.15%) risk. The hazard index (HI) showed that adults and children are not exposed to non-carcinogenic risk from the studied HMs, apart from two soil samples where Cd posed health risks to children compared to the other studied HMs. The statistical results revealed that soils are polluted by anthropogenic activities. Accordingly, effective agricultural practices that respect the environment, including the reduction of inputs as fertilizers, pesticides, herbicides, and fungicides should be required to guarantee the safety of cropland and the residents in the studied area. Hence, the findings from this study provided some useful information for soil pollution control and management in the study area

RETRACTED : Elastic-plastic analysis of reinforced composite materials

This article has been retracted at the request of the Editors-in-Chief, according to the Publication Ethics Policy and Publication Malpractice Statement.Please see : http://revue.ummto.dz/index.php/JMES/about/editorialPolicies#custom-2 This note is published, 25 June 202

Palmprint identification using an ensemble of sparse representations

Among various palmprint identification methods proposed in the literature, sparse representation for classification (SRC) is very attractive offering high accuracy. Although SRC has good discriminative ability, its performance strongly depends on the quality of the training data. In particular, SRC suffers from two major problems: lack of training samples per class and large intra-class variations. In fact, palmprint images not only contain identity information but they also have other information, such as illumination and geometrical distortions due to the unconstrained conditions and the movement of the hand. In this case, the sparse representation assumption may not hold well in the original space since samples from different classes may be considered from the same class. This paper aims to enhance palmprint identification performance through SRC by proposing a simple yet efficient method based on an ensemble of sparse representations through an ensemble of discriminative dictionaries satisfying SRC assumption. The ensemble learning has the advantage to reduce the sensitivity due to the limited size of the training data and is performed based on random subspace sampling over 2D-PCA space while keeping the image inherent structure and information. In order to obtain discriminative dictionaries satisfying SRC assumption, a new space is learned by minimizing and maximizing the intra-class and inter-class variations using 2D-LDA. Extensive experiments are conducted on two publicly available palmprint data sets: multispectral and PolyU. Obtained results showed very promising results compared with both state-of-the-art holistic and coding methods. Besides these findings, we provide an empirical analysis of the parameters involved in the proposed technique to guide the neophyte. 2018 IEEE.This work was supported by the National Priority Research Program from the Qatar National Research Fund under Grant 6-249-1-053. The contents of this publication are solely the responsibility of the authors and do not necessarily represent the official views of the Qatar National Research Fund or Qatar University.Scopu

AmodalSynthDrive: A Synthetic Amodal Perception Dataset for Autonomous Driving

Unlike humans, who can effortlessly estimate the entirety of objects even when partially occluded, modern computer vision algorithms still find this aspect extremely challenging. Leveraging this amodal perception for autonomous driving remains largely untapped due to the lack of suitable datasets. The curation of these datasets is primarily hindered by significant annotation costs and mitigating annotator subjectivity in accurately labeling occluded regions. To address these limitations, we introduce AmodalSynthDrive, a synthetic multi-task multi-modal amodal perception dataset. The dataset provides multi-view camera images, 3D bounding boxes, LiDAR data, and odometry for 150 driving sequences with over 1M object annotations in diverse traffic, weather, and lighting conditions. AmodalSynthDrive supports multiple amodal scene understanding tasks including the introduced amodal depth estimation for enhanced spatial understanding. We evaluate several baselines for each of these tasks to illustrate the challenges and set up public benchmarking servers. The dataset is available at http://amodalsynthdrive.cs.uni-freiburg.de

Do reading boredom and reading boredom coping strategies predict reading comprehension performance? An empirical investigation of Saudi EFL learners

Boredom is a well-researched concept in various contexts; nonetheless, there is scarceness of research related to the relationship of boredom with reading comprehension performance in EFL context. Therefore, this study intends to determine the connection between reading boredom and reading comprehension performance by employing reading boredom coping strategies as a mediator. A quantitative research approach, and a cross-sectional and correlational research design was employed to conduct this study. Questionnaires and a reading comprehension test were used to collect data from 306 Saudi EFL students. Findings indicated that reading boredom showed a significant but negative relationship with reading comprehension performance. Also, reading boredom was positively and significantly related to reading boredom coping strategies. Moreover, reading boredom coping strategies showed a positive and significant relationship with reading comprehension performance. Lastly, findings indicated that reading boredom coping strategies mediated the association between reading boredom and reading comprehension performance. On the basis of aforementioned findings, numerous recommendations for EFL students, teachers, and policymakers were offered