A point symmetry based method for transforming ODEs with three-dimensional symmetry algebras to their canonical forms

We provide an algorithmic approach to the construction of point transformations for scalar ordinary differential equations that admit three-dimensional symmetry algebras which lead to their respective canonical forms

Adsorptive stripping voltammetric determination of reactive dyes

The present study was mainly devoted to evaluate the applicability of differential pulse adsorptive stripping voltammetry (DPAdSV) for the determination of ultra-trace concentration levels of a range of reactive dyes. The studied reactive dyes were found to adsorb effectively onto the hanging mercury drop electrode (HMDE). This applied electroanalytical method was primarily based on the nonelectrolytic accumulation (adsorption) of the analyte of interest (reactive dye), followed by a cathodic reduction scan measurement. Consequently, the adsorptive stripping voltammograms of the analysed reactive dyes exhibited several useful electrochemical signals, corresponding to the cathodic reduction of the anthraquinone, azo and halo-striazine groups... cont'd

Colorizing gray level images by using wavelet filters

© 2019 IEEE. This paper discusses a new algorithm to produce colored version of gray scale natural still images. This algorithm employs artificial neural network (ANN) to predict RGB channels using the Discrete Wavelet Transform (DWT). A group of natural color images are used to train three ANNs. The trained networks estimate low resolution RGB layers of the gray scale image which are the best match to the trained images. The colored version of the image is produced form the predicted RGB layers and information form grayscale image. The performances of the new algorithm are analyzed subjectively and objectively using the peak signal to noise and Structural Similarity, as well as it is compared to similar algorithm based on discrete cosine transform. Acceptable colorized images were obtained from different still images

Childhood Abuse and its Relationship with Family Status, Gender, and Age in some Jordanian Schools

Background and Objective:is the period for children to confident and grow strong and with encouragement and love of their family and an extended society of caring adults.This study examined the relationships between childhood abuse, family status, gender and age in Amman, Jordan. Materials and Methods: sample of the study consisting 198 children (123 boys and 75 girls), aged between 8 and 16 years. Some of the participants were living with their fathers and mothers’ others were living in special houses, with a single parent, or with relatives. Childhood Trauma Questionnaire- Short Form (CTQ- SF) is used in the study. Results: results indicated that the children living with their parents reported significantly less than those not living with their parents. No significant effects of gender were found on any of (CTQ) domains except the physical neglect. There were significant differences between children with age range (14-16) and children with smaller ages in all domains of (CTQ) in favor of older ages. Conclusion :the findings suggest that living far away from a normal family atmosphere is a strong variable affecting on developing childhood trauma. Keywords: Childhood abuse, gender, family status, Jordanian schools. DOI: 10.7176/JEP/11-33-07 Publication date: November 30th 202

The Mamlouk of Today, the Sultan of Tomorrow "Mamlouks of Authority and their Legitimacy in Various Areas of the Islamic Caliphate"

The Mamlouk, those white aristocratic slaves, have been by some Islamic Kingdoms and states since the first century of Hijra – seventh century A.D The Mamlouk was brought as a child from various places and was sold Costly to be raised in wataks (barracks) a cording to the Islamic and chivalry laws in order to contribute to the security, protection, construction and evolution of the state. Thus, He was promoted along important and sensitive state posts, parents and educators recognized his promising future. Consequently, Mamlouk groups were named after their princes-leaders and kept some sacred links among themselves such as Ostanic place. What is more, these links could be inherited among Colleagues. He got more power and dignity which tempted him to intervene into the state's internal affairs. After being freed; he deserved a legitimized authority through his distinguished sense of leadership and achievements according to some people. Further move, power was taken by the Mamlouk Shajarat Al Door and her successors in Egypt in 648H-1250A.D when the Ayoubite family deteriorated. The authority went to the MamloukTatemish and his successors in 603H-1206A.D as the Ghrite family collapsed in India. Keywords: Mamlouk Islamic state,Authority, Caliphat

Benchmarking Apache Arrow Flight -- A wire-speed protocol for data transfer, querying and microservices

Moving structured data between different big data frameworks and/or data warehouses/storage systems often cause significant overhead. Most of the time more than 80\% of the total time spent in accessing data is elapsed in serialization/de-serialization step. Columnar data formats are gaining popularity in both analytics and transactional databases. Apache Arrow, a unified columnar in-memory data format promises to provide efficient data storage, access, manipulation and transport. In addition, with the introduction of the Arrow Flight communication capabilities, which is built on top of gRPC, Arrow enables high performance data transfer over TCP networks. Arrow Flight allows parallel Arrow RecordBatch transfer over networks in a platform and language-independent way, and offers high performance, parallelism and security based on open-source standards. In this paper, we bring together some recently implemented use cases of Arrow Flight with their benchmarking results. These use cases include bulk Arrow data transfer, querying subsystems and Flight as a microservice integration into different frameworks to show the throughput and scalability results of this protocol. We show that Flight is able to achieve up to 6000 MB/s and 4800 MB/s throughput for DoGet() and DoPut() operations respectively. On Mellanox ConnectX-3 or Connect-IB interconnect nodes Flight can utilize upto 95\% of the total available bandwidth. Flight is scalable and can use upto half of the available system cores efficiently for a bidirectional communication. For query systems like Dremio, Flight is order of magnitude faster than ODBC and turbodbc protocols. Arrow Flight based implementation on Dremio performs 20x and 30x better as compared to turbodbc and ODBC connections respectively

Location dependent transaction for mobile environment

With recent advances of mobile and portable devices, more than one billion cellular phones in the world joined by other wireless handheld computing devices like personal digital assistants (PDAs) or pocket PCs, with this number of users there are significant opportunities for mobile commerce growth. Although mobile commerce enables access to goods and service regardless of the location of either buyer or seller, in many situations the specific location of the buyer and seller is critical to the transaction [1]. Also the time for transaction execution become increasingly important not from performance point view but also from the corresponding relationship between the data and location especially when the mobile user change its location dynamically. In this paper we aim to introduce a mobile transaction model that takes into consideration the location dependent transaction and the time constraint for mobile transaction execution

Updating Balanced Scorecard Model for The Evaluation of The Strategic Performance in Greater Amman Municipality

This study aimed to develop and update the model of Balance Scorecard (BSC) to measure the strategic performance efficiency at Greater Amman Municipality (GAM). In addition, the study objectives include the following: (1) To identify the availability of the BSC requirements in GAM; (2) To develop a set of measures that are in line with municipal work; and (3) To add to the BSC Model of the environmental requirements as a fifth perspective. In achieving these objectives, a questionnaire was developed based on theoretical review, previous studies, and the work experience of the authors in GAM. The questionnaire includes many items which covered five perspectives of BSC, and it was distributed to the study participants who were responsible for preparing and reviewing Strategic plan of GAM and other responsible employees in GAM. After determining the descriptive statistics and after the testing of the hypotheses, the study concluded that there is a statistical significant impact of all independent variables (customer perspective, financial perspective, environmental perspective, internal processes perspective, and learning and growth perspective) based on the efficiency of strategic performance in Greater Amman Municipality

Single image super-resolution algorithm using PSNR in the wavelet domain

© 2020, Institute of Advanced Scientific Research, Inc.. All rights reserved. This article introduces a new algorithm for enhancing the resolution of interpolated images. The aim of this proposed algorithm is to obtain a high resolution image from a single low resolution image. The new algorithm uses the interpolation technique with a two dimensional filter that is specifically designed for the image by maximizing the peak signal to noise ratio in the wavelet domain. In addition to the 2D filter, a prediction method to estimate the difference between interpolated images will be used. The processed images are assessed by comparing them with ground truth images which are used for assessment purpose only. The proposed algorithm performance is evaluated using the peak signal to noise ratio in the spatial domain (PSNR), the peak signal to noise ratio in the wavelet domain (WPSNR) and the structural similarity index measurement (SSIM). The proposed new algorithm gives a better result than the previous algorithms