الإصدار الثامن

الإصدار الثامن من المجلة العلمية لنشر البحوث 

تم نشر الإصدار الثامن من المجلة العمية لنشر البحوث  في: 1-9-2022م. يحتوي الإصدار على بعض الأبحاث في مختلف التخصصات، كما أن الإصدار قد تناول العديد من المشاكل البحثية المهمه التي تشكل أهمية وفائدة كبيرة للمجتمع العلمي والمعرفي. جميع الأبحاث متاحة للتحميل والتعقيب والاستشهاد المرجعي لكافة الباحثين والأكاديميين.

الأبحاث والأوراق العلمية:

Keywords: Phonophoresis – Ankle Plantar – Spastic – Diplegic Cerebral – Palsy Children

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“Work environment and its relationship with job satisfaction among nurses in Riyadh region, Saudi Arabia”

Name: Abdullah Ghazi Alotaibi
Email: ghazi1457@gmail.com

Abstract

Purpose: Numerous organizations and businesses underate the importance of employee job satisfaction, without realizing that it is the root of many issues in the workplace. Employees require a distraction-free working environment, conducive to realizing their potential, in order to attain their organizations’ goals. Previous studies have shown that multiple aspects work environment factor—such as remuneration, employee autonomy, working hours, and the communication and relationship between the employees and the employers—have a lasting effect on job satisfaction. Despite various studies on the working environment and the barriers therein, there are limited studies focusing on how nursing professionals’ job satisfaction is affected by their working environment, especially in the locale of Riyadh, Saudi Arabia.


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Growth kinetic of multi-metal resistant bacteria under metal stress .
Name:Eeman Assadeg Alhammadi
 
Abstract

The use of multi-metal resistant bacteria as an alternative to heavy metal removal has become increasingly important in recent years. In this study, the potential growth of nine bacterial isolates on media with four different metals included copper, zinc, nickel, and chromium at 10, 50, and 100 mg/L, individually and quaternary were assessed. The data obtained were analysed to determine the effect of metals on the growth kinetics of the bacterial isolates in metal resistance. The growth kinetics included specific growth rate, doubling time and biomass production rate. Based on these parameters, the ability and selectivity of these isolates to grow under metal stress and produce biomass were determined. Tolerance parameters and performance index of all isolates at different metal concentrations were evaluated. The results showed that nine bacterial isolates were able to grow in culture medium integrated with individual and quaternary metals in all selected concentrations.  They showed greater adaptability and resistance of metals with well and different rates. The highest biomass production was achieved with Ni followed by Zn were approximately more than half, while Cu, Cr and quaternary ranging approximately between one-third to half of the biomass produced without metals. B megaterium, S ginsensidmutans and K rhizophila the highest tolerance level and performance index with quaternary selected as multimetal tolerant bacteria. Based on the findings obtained, it is possible to conclude that isolates have potential applicability for further research related to bioremediation of metals and management of contaminated sites with vital methods.

Keywords: specific growth rate, metal stress, kinetic parameters, multimetal resistant bacteria, Heavy metals, biomass production.

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Name: Eeman Assadeg Alhammadi
Abstract

Industrialization increased metal-laden wastewater discharges. Electroplating pollutes wastewater with metals. These toxins affect environmental systems and public health due to toxicity, persistence, and water quality degradation. Electroplating effluent-exposed microorganisms minimise metal contamination. Metal-resistant bacteria settle debris in industrial effluents for bioremediation. Current work isolates and identifies naturally occurring bacteria from electroplating effluents, analyses effluent physicochemical properties, and verifies their ability to resist, thrive on various metals, and combined toxicity of quaternary combinations on isolate survival. 60 bacterial isolates were cultivated on agar plates containing copper, zinc, nickel, and chromium. New metal-resistant species and combinations emerge. Secondary screening identified nine 50mg/l-growing isolates. Morphological, biochemical, and 16S rRNA gene sequencing were performed. MIC, growth kinetic, and combined metals toxicity effects are used to determine multi metal resistance and growth at the highest concentration. Microbacterium paraoxydans, Streptomyces werraensis, Microbacterium arabinogalactanolyticum, Staphylococcus haemolyticus, Bacillus paramycoides, Bacillus megaterium, Sphingobacterium ginsenosidimutans, Kocuria rhizophila, and Sphingobacterium detergens were found. All isolates showed multi-metal tolerance and better growth performance with MICs between 200 and 1200 mg/L. First and control had S- and bell-shaped growth curves with lag, log, saturation, and decline phases. Metals impacted stationary more.

 Keywords:  Heavy metals, metal resistant bacteria, growth patterns, electroplating effluents, Minimum Inhibitory Concentration, bioremediation.

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أحكام تغيير الجنس والهوية الجنسية في الفقه الإسلامي

الملخص: 

يتميز المجتمع الإسلامي بأنه مجتمع صحيح وقائم على أسس سليمة، فهو مجتمع قادر وقوي يستطيع النهوض والتطور بمتطلبات واحتياجات الحياة مع تمسكه بعقيدته وعدم التخلي عنها، وله الطرق الخاصة به التي تعينه على بذل الجهود لأعداد القوة الكافية لذلك النهوض والتطور، وهذه القوة هي عبارة عن قوة مادية ومعنوية وهي تهدف الى استقامة الحياة وتجديدها.

ولتحقيق القوة المادية التي تساعد على تطور ونهوض الحياة لابد من تحقيق قوة معنوية تنبع من العلم ووسائله والمعرفة وخطوات تطوراتهم، وتنادي الشريعة الإسلامية بالتعلم وملاحقة التطورات المستمرة للعلم، فتصبح الشريعة الإسلامية ملائمة ومناسبة مع كل زمان ومكان، وملائمة لشتى المجالات الحياتية ومن ضمن تلك المجالات هو المجال الطبي

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