This study aimed to identify the effect of group exercises using repetitive training on the speed endurance of under-21 football players. The researcher used a set of group exercises on a sample of 32 under-21 players from the Electrical Industries Club, with a mean age of 20.4. The players were divided into two groups, an experimental group and a control group, each consisting of 14 players. A comparison was then conducted between the two groups to ensure the validity of the starting line. The exercises were then implemented with two training sessions per week, totaling eight training sessions over a month. These exercises were applied to the players during their special preparation phase. After conducting the main experiment

 This research aimed to investigate the impact of Using wearable technology for improving backhand stroke among students of Physical Education and Sports Science, in University of Baghdad. It aimed at assessing better performance with respect to stroke accuracy, feeling and reduction of vibrations, as well as being capable to provide real-time feedback on the student's quality of movement with wearable sensors. An experiment designed conducted with the sample 24 novice students (12 experimental, 12 control) during intervention period of 8 weeks. The experimental group received real-time biomechanical feedback using wearable sensors, whereas the control group underwent conventional training. Accuracy, speed and vibration were evaluated b

Through the researcher's field follow-up and his knowledge of the wrestling game, he noticed that the level of performance of wrestling players is not at the required level. From the researcher's point of view, he sees that one of the reasons for this is due to their distraction as a result of the many variables present during the game. Therefore, the researcher decided to design special exercises in order to develop some mental aspects such as selective attention, which is the most important mental process and skill performance of the player. The aim of the research was to prepare special exercises and know their effect on selective attention and the performance of the lifting skill for wrestling players aged under (16) years. It was as

This research aims to clarify the importance of practicing sports and its role in improving the lifestyle of university students. By understanding how sports contribute to strengthening social relationships within the academic community and enhancing the physical and mental health of university students, sports have become an effective tool in the modern era. They are not limited to entertainment or amusement but also contribute to building the character of university students, enhancing their interactive abilities, and instilling moral values such as cooperation, tolerance, and discipline. The study highlights the historical background of sports, starting from the civilizations of the Mesopotamian Valley, thru the Islamic civilization,

The research aimed to use the method of platelet-rich plasma (PRP) injection as a relatively modern therapeutic approach to improve the range of motion and reduce pain in Muay Thai players suffering from rotator cuff injuries in the shoulder joint. The research sample included (5) Muay Thai players with rotator cuff injuries in the shoulder joint, with an age of (23.43 ±0.64) years, a mass of (87.74 ±8.19) kg, and a height of (181.39 ±4.21) cm. Their injuries were diagnosed by specialized doctors. Platelet-rich plasma injections were administered once, with a prohibition on training and specific use of the injured joint for 3 days post-injection. Training was resumed after 2 weeks with moderate intensity, and they returned to their de

المستودع الرقمي العراقي. مركز المعلومات الرقمية التابع لمكتبة العتبة العباسية المقدسة

The study aimed to design resistance training for discus throwers, identify their starting and performance variables, and examine the effect of resistance training on developing these variables. The researchers employed an experimental approach with two equivalent groups using pre- and post-tests, suitable for the research problem. The research population included female athletes participating in the Iraqi Athletics Clubs and Institutions Championship in November 2022, with 13 participants. Eight athletes were selected based on achievement levels and research requirements. They were randomly divided into two groups: an experimental group (4 athletes) training with resistance according to a graduated bumper network, and a control group (4

      The aim of the research is to identify the effect of exercises with blended learning according to the sequential and random exercise and learning the skills of settings and receiving the serve with volleyball for students in the fifth grade of middle school. The importance of the research comes in developing the skills of setting and receiving the serve with volleyball in the physical education lesson for the fifth stage of middle school through blended learning and by scheduling the sequential exercise. random exercise, the research problem revolved around the fact that the performance is not at the required level among students at this stage in learning how to perform volleyball skills. This is due to the fact that most of t

Spanlastics are nanovascular drug delivery systems that use surfactants, including hydrophilic and hydrophobic medicines . Spanlastics enhance the ability of medicines to enter the body and provide a continuous release over extended periods . These vesicles possess a high degree of elasticity and flexibility , enabling to improve the transportation of medications through different methods of administrations . Box-behnken design was utilized to establish a relationship between the formulation parameters, specifically the amount of Span 60 , cremophor EL 40 and sonication time and important quality attributes , namely particle size , polydispersity index (PDI) and entrapment efficiency (EE%) . The spanlastic formulations were developed usi

Melatonin, a hormone synthesized mainly by the pineal gland, has been found in extra-pineal organs as well. It’s known as an organizer of circadian rhythms and more recently as an anti-oxidant. In addition to its role in maintaining immunity, pathophysiology of cardiovascular and neurological diseases, and as an anti-cancer agent, evidence has demonstrated that melatonin exerts a positive impact on male and female fertility primarily through oxygen scavenging effects. In In Vitro Fertilization (IVF) programs, supplementation of melatonin may be associated with better outcomes in terms of sperm quality, oocyte quality, embryo quality and pregnancy rates. This review summarizes various actions of melatonin on the body focusing on male an

Tirzepatide is a revolutionary and promising medication with a high impact in the treatment of Obesity and T2DM with their complications. Its efficacy was proven through different trials in achieving favorable weight loss and a significant reduction in glycemic index. It also treated a large diversity of related co-morbidities, including fatty liver, cardiovascular disease, dyslipidemia, and more. Tirzepatide is well tolerated, has a good safety profile, and is highly reliable and suitable for use in a population.

One of the main obstacles to early pregnancy and assisted reproduction is embryo implantation failure. Endometrial receptivity and the interactions between the embryo and the mother determine implantation. The control of implantation involves several molecules. One such molecule is microRNA (miRNA), which is known to have a role in embryo implantation as a transcriptional regulator of gene expression. The current study evaluates the Expression level of miR-210 and miR-1226 with mucin-16 in infertile females under the IVF program and its influence on embryo implantation by measuring the fold change. This study included 26 successful implantations and 58 failed implantations under an in vitro fertilization program and 44 fertile females as

This study examines the dynamic relationship between stock market and economic activity in the United States to verify the possibility of using financial indicators to monitor the turning points in the expected path of future economic activity. Has been used methodology (Johansen - Juselius) for the Co-integration and causal (Granger) to test the relationship between the (S & P 500 , DJ) index  and gross domestic product (GDP) in the United States for the period
(1960-2009). The results of the analysis revealed the existence of a causal relationship duplex (two-way) between the variables mentioned. which means the possibility of the use stock market indicators to pre

Bis-anthraquinones with a unique molecular backbone, (+)-2,2’-epicytoskyrin A (epi) and (+)-1,1′-bislunatin (bis), was produced by endophytic fungi Diaporthe sp GNBP-10 associated with Gambir plant (Uncaria gambier). Epi and bis possess robust antimicrobial activity toward various pathogens. This study focus on knowing the optimum condition of epi and bis production from Diaporthe sp GNBP-10. A series of culture media with various nutrient compositions was investigated in epi and bis production. The content of epi and bis was determined by measuring the area under the curve from TLC-densitometric (scanner) experiment. The linear regression analysis was then applied to obtain the results. The optimi

This study aimed to develop a guidance program based on reality therapy and construct a scale to measure motivation toward playing volleyball among first-year middle school students at Al-Mustafa Boys’ School. The counseling sessions sought to enhance students’ motivation to engage in volleyball. The research question focused on whether motivation could be increased through the proposed program. To achieve this, the researcher used an experimental design with two equivalent groups experimental and control employing pre- and post-tests. The study population consisted of 250 students across five classes in the 2023–2024 academic year. After administering the motivation scale, a purposive sample of 40 students with the lowest scores w

The research demonstrates that perovskite methylammonium lead iodide (MAPI) can detect various hazardous and polluting chemicals, including ammonia gas (NH₃), in the environment. To enhance the sensitivity and response time and modify the structural properties of pure MAPI, zinc sulfide (ZnS) is incorporated in three different concentrations (1, 2.5, and 5 wt%). The sensitivity of these ZnS-doped samples is evaluated for detecting NH₃ and alcohol vapor. Sensors based on MAPI:ZnS composites are fabricated on writing paper samples using a solution-processing technique. Upon exposure to NH₃, MAPI undergoes a colorimetric change from black to yellow. This phenomenon is attributed to the degradation of perovsk

Global warming, driven by scientific and technological progress and rising environmental pollution, has intensified the need for alternative renewable energy sources like hydrogen. This study focused on designing a hydrogen-hydrogen-oxygen (HHO) cell using primary materials, where stainless steel electrodes (10 cm diameter) were coated with carbon nanotubes (CNTs) via electrochemical deposition. The CNTs were synthesized from potato peel waste, demonstrating an eco-friendly approach to nanomaterial production. Structural and morphological analyses of the CNTs were conducted using scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray diffraction (XRD), confirming their high surface area and crystalline structure. Th

This work investigates the photon radiation shielding efficiency of selected perovskite ceramics, halide-based double perovskites and organic-inorganic halide perovskites, using computational modeling across the photon energy range 0.015–15 MeV. The investigated parameters are Mass Attenuation Coefficient (MAC), Linear Attenuation Coefficient (LAC), Half Value Layer (HVL), Tenth Value Layer (TVL) and Mean Free Path (MFP). The results are based on the total interaction cross section contributions of photon-matter interactions. They reveal that the shielding efficiency of these materials is strongly influenced by their elemental composition, density, and photon energy. Two software tools, Phy-X/PSD and NGCal, were employed in the study t

Ion engines, also known as plasma engines, are a pioneering space propulsion technology that is constantly being developed. In this work, a static magnetic field is used in a cylindrical engine that is placed inside a vacuum chamber under a pressure of 0.2 mbar and uses argon gas with an applied voltage of 5 kV and an engine power supply of 25-100 watts. The shape and intensity of the magnetic field determine the discharge performance of the ion thruster. A cylindrical ion engine was constructed with dimensions 5, 5.5, and 0.7 cm in length, width, and thickness, respectively. The coil of the ion engine generates a static magnetic field of 9 and 25 mT. This system was used to study the effect of the magnetic field on the ionization rate a

Light isotopes, especially closed-shell nuclei, have significance in thermonuclear reactions of the Carbon-Nitrogen-Oxygen (CNO) cycle in stars. In this research, radiative proton capture of ¹⁵N(p,γ)¹⁶O was calculated using MATLAB codes to find the reaction rate across a temperature range up to 10 GK for the spectrum's non-resonant part, and the astrophysical S- factor S(E) only at low energies (E=70 keV). The findings were compared with conventional reactions before and after statistical analyses, and the results were acceptable when compared to earlier compilations and reference libraries. For temperatures 0.07 < T₉ < 0.09, current direct data cover 50-90 % of the region under th

Two samples of γ–mesoporous alumina (0.3M/m-Al₂O₃ and 0.5M/m-Al₂O₃) were prepared using the microemulsion method, with aluminium sulphate serving as the alumina precursor. The raw materials for microemulsion are sodium dodecyl sulphate (SDS) as the surfactant, 1-butanol as a cosurfactant, and n-hexanol as the oil phase. Scanning Electron Microscopy (SEM), BET surface area, BJH porosity of the samples, and their N2 adsorption-desorption isotherms at 77 K. The X-ray diffraction (XRD) and AFM techniques were used to characterize these samples. The results show that the two samples have identical phase structures and perfect indexing to the γ-Al₂O₃; the 0.3M/m-Al₂

Investment drives the wheel of the development of different developed and developing countries. Sudan is a model for a developing country facing a lot of difficulties in the field of both local and foreign investment. The present study was focused on the problem of poor diversification and efficiency of both local and foreign investment in Sudan. Also, it clarified the important role of administrative supervision to strengthen the efficiency of investment, taking the experience of the Sudan as a model. The researchers used the well-known descriptive and analytical tools (questionnaire, interview, observation) to complete this study. A well designed questionnaire was used. It included all questions that could cover all aspects of

The intensification of competition in the business environment has forced research organizations to develop marketing dynamics that help them to sense and conceptualize market opportunities and uncertainties. Then, the marketing capabilities of the organization are restructured and developed according to mechanisms such as speed, timing, and frequency of application. The problem of most organizations is their lack of interest in capabilities  Marketing dynamics, which represent the most important factor in enhancing their marketing performance, so the objective of the research is to identify the most important capabilities that banks should pay attention to and evaluate their role in determining the strategic direction of th

The expansion of building blocks at the expense of agricultural land is one of the main problems causing climate change within the urban area of a city. The research came to determine these indicators, as a study was conducted on the expansion of the building blocks in three municipalities in the city of Baghdad for a period of four decades extended in the form of time cycles for the period (1981-2021) and using ArcMap GIS 10.7 technology. Then, the impact of this expansion on temperature rates was evaluated, as they are the most important climatic elements due to their significant effect on the rest of the elements. The results showed a clear, direct relationship between the increase in urban expansion rates and the corresponding rise i

In this study, one-dimensional non-linear Klein-Gordon equations are solved by applying the integral transform known as the Rohit transform method. The approximate solutions of one-dimensional non-linear Klein- Gordon equations are obtained by combining the Adomian polynomials with the Rohit transform. To show the effectiveness and performance of the Rohit transform method, five one-dimensional non-linear Klein- Gordon type equations are considered and solved. The graphs of the solutions obtained are plotted to indicate the generality and clarity of the proposed method. It can be easily verified that the proposed method yielded the results that satisfy their corresponding non-linear Klein-Gordon equations. The integral Rohit transform co

based search on two variables two main (Administrative empowerment ) and (technical innovation) target detection relationship and influence between the five dimensions (the delegation of authority , personnel training , effective communication, work teams , motivating employees) and
(technical innovation) conducted research in General Company for electrical Industries , and through the sample included the views of managers in the various administrative levels poll .

And adopted a researcher at a major tool for data collection is questionnaire designed to find, as was the contents of the questionnaire analysis according to the Statistical Information System ( Spss), The (55) to identi

The aim of this study is to achieve the best distinguishing function of the variables which have common characteristics to distinguish between the groups in order to identify the situation of the governorates that suffer from the problem of deprivation. This allows the parties concerned and the regulatory authorities to intervene to take corrective measures. The main indicators of the deprivation index included (education, health, infrastructure, housing, protection) were based on 2010 data available in the Central Bureau of Statistics

   E-commerce is the most important result of information technology in this day and age, has resulted in the use of commercial transactions to changes in economic, social, and psychological, and produced a new type of shopping, jobs, and create new job opportunities, and changed the traditional work environment. The challenge currently facing economic units is how to transfer this technology and its integration within the community, especially after the massive developments that have occurred in the areas of commercial and congested markets units, the economic and the products and services the many and varied and intensified competition among these units to achieve a profit, leading to the emergence of e-commerce as on

In this research, the dynamics of double-head streamer discharge initiation, propagation, interaction and breakdown in the air under different pressure values were presented. The double-head streamer discharge dynamics were analysed within a plane-to-plane electrode configuration. That was done through many aspects proposed, such as electron density, electric field, space charge density and streamer propagation speed. The simulation performed using ‘COMSOL Multiphysics’ is based on the finite element method and was carried out with the fluid model. The fluid model describes the movement of particle concentrations using partial differential equations (PDEs) together with Poisson’s equation; Poisson's equati

The current research dealt with "the role of green management of human resources in strengthening the environmental management system" where the topics of the organization's environmental management system and green management of human resources receive increased attention at the global level، because they are among the important and relatively recent issues، and for those who have a significant impact on the future of organizations، and this study aims To reveal the extent of the researched organization's application of the dimensions of green management of human resources، and whether it was sufficient in strengthening the organization's environmental management system، and for this purpose two main assumptions were formul