105 research outputs found

    Exploring Psychological Well-Being Among Tahfiz Al-Quran Students: Emprical Study Using Psychoeducation Counseling and Therapy

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    This study aims to explore mental stress, self-efficacy and coping strategies that contribute to the stability of tahfiz students' mental health. This study is a qualitative study that uses phenomenological methods in psychoeducational group counseling. The respondents of this study consisted of 5 students of Tahfiz School and Malaysian Armed Forces Orphans (STAY ATM) who were 17 years old. Data analysis using content analysis techniques. The results of the study found that the mental stress faced by tahfiz students is caused by parental coercion, military- lifestyle and environmental factors. As a result of the mental stress experienced, emotional changes also occur. In the aspect of self-efficacy, tahfiz students have personal advantages such as being talented in various fields, extroverted, and independent, but their introvert attitude, low self-esteem and not knowing how to manage time are also their weaknesses. From the aspect of coping strategies, tahfiz students have a mature and rational coping strategy in managing the mental stress they face and have a clear future plan. Al Quran approach clearly shows that it can have a positive effect on the mental stability of tahfiz students. The results of this study have positive implications for students, parents, STAY ATM’s and community

    Factors that contribute to work stress among staff in Pejabat Tanah dan Galian negeri Selangor / Mohamad Yazid Yahya, Rudy Hartono Adeni and Zafirah Zainuddin

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    This research presents a study on determining factors that contribute to work stress among staff in Pejabat Tanah dan Galian Negeri Selangor (PTGS). Based on the questionnaires and interviews carried out with the representatives in PTGS, it was found that there were few factors that contribute to work stress among PTGS staff during the ‘Data Cleaning Project’. The management of PTGS was concerned on what was causing the stress among employees. Therefore, this study is aimed to find factors which are significantly responsible for causing work stress during the exercise. This study was done using qualitative and quantitative methods which include interviews with the PTGS representatives and questionnaires which were distributed among the staff. The correlation test was used to determine whether there are a significant relationships between the independent variable and the dependent variable. Furthermore, Regression Analysis (Standard Multiple Regression) was used to examine which variables influenced the dependent variable the most. The study suggests that employees should take time to recharge in order to avoid any worsened consequences that may occur due to prolonged stress which may affect their performance and health. The results of the study also suggest that PTGS management should apply more effective communication methods to enhance feedback on bad working conditions from employees. Moreover, the study also suggests that the PTGS management should arrange or promote peer support training, which includes continuous learning and skill development to ensure that employees have the skill and knowledge to work efficiently. This training could build morale, sense of urgency, shared purpose and value among the peer support team. Besides that, it could detect erosion and burnout among colleagues that could trigger a red flag for any action or early prevention of deteriorating mental health among employees

    Characterization of hybrid yarn/fabrics from of kenaf-kevlar fibers

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    In this work, new hybridization method used to fabricate different hybrid yarn by using untreated and treated kenaf fiber and Kevlar yarn until development of hybrid fabrics. The hybrid yarn consists of various combination of kenaf and kevlar fiber with the composition ratio of 70% kenaf: 30% kevlar, 50% kenaf:50% kevlar and 30% kenaf:70% kevlar were weaved and also 100% kenaf and 100% kevlar yarns were weaved as the control data to compared with hybrid fabric. The woven of Kenaf-Kevlar composition were carried out by the weaving of hybrid yarn in weft and warp direction. Tensile properties of kenaf fiber, kevlar fiber, hybrid yarn and hybrid fabric were measured by using Universal Testing Machine. Morphology of all fibers-treated and untreated kenaf and kevlar were analyzed by using scanning electron microscopy (SEM). The obtained result showed that 30%Kenaf:70%Kevlar hybrid yarn and fabric has the highest strength (48.511 cN/Tex) and modulus (1815.570 cN/Tex) among the hybrid but its value 70% lower than 100% Kevlar fabric. Both treated Kenaf and Kevlar fibers showed fine surface and light weighted as compared with untreated fibers. The preliminary research results have shown that development of hybrid materials from natural fibers has the potential to be utilized for high performance composite applications

    Analisis semantik leksikal dalam novel Sangkar karya Samsiah Mohd. Nor = (Lexical Semantics Analysis in Sangkar Novel by Samsiah Mohd. Nor)

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    Novel is one of the mediums of non-verbal communication that the author wishes to convey to the reader. Through the reading of this novel, the reader can experience a wide range of emotions. Whether it's sad, happy, excited and so on. Therefore, this study will explore the meaning behind the novel entitled "Sangkar" by Samsiah Mohd. Nor. The novel was published in 2010 through the publication of Alaf 21 Sdn. Bhd. There are 248 pages and 26 chapters for this novel. This study is a qualitative study consisting of annotated text analysis as well as a simple quantitative approach to finding lexical frequency and complexity in this Sangkar novel. To analyze this novel the researcher will apply a lexical semantic approach. Through this lexical semantic approach it is possible to classify lexical types into synonyms, antonyms, hyponyms, polysemic, homonyms, homophones, homographs, metonyms and meronyms. Based on the findings of this study, the frequency and percentage of total lexical semantics recorded a frequency value of 1019 (100%) lexical only. However, through the novel there was only partial lexical semantics comprising; antonyms–442 (43.37%), synonyms–218 (21.39%), meronyms–185 (18.15%) and hyponyms–174 (17.07%). It can be concluded that through this lexical semantic approach it is possible to classify different lexical groups into the same group of meanings. Abstrak Novel merupakan salah satu medium komunikasi bukan lisan yang ingin disampaikan oleh penulis kepada pembaca. Melalui pembacaan novel, pembaca dapat merasai emosi yang pelbagai. Sama ada sedih, gembira, teruja dan sebagainya. Oleh itu, kajian ini akan meneroka makna di sebalik novel yang bertajuk “Sangkar” oleh Samsiah Mohd. Nor. Novel ini diterbitkan pada tahun 2010 melalui penerbitan Alaf 21 Sdn. Bhd. Terdapat 248 muka surat dan 26 bab bagi novel ini. Kajian ini adalah berbentuk kualitatif iaitu analisis teks yang telah dibukukan serta pendekatan kuantitatif mudah untuk mendapatkan kekerapan dan peratusan leksikal dalam novel Sangkar ini. Bagi menganalisis novel ini pengkaji, akan mengaplikasikan pendekatan semantik leksikal. Melalui pendekatan semantik leksikal ini, pengkaji dapat mengelaskan jenis leksikal kepada sinonim, antonim, hiponim, polisim, homonim, homofon, homograf, metonim dan meronim. Melalui dapatan kajian ini, jumlah kekerapan dan peratusan bagi keseluruhan semantik leksikal ini mencatat nilai kekerapan sebanyak 1019 (100%) leksikal sahaja. Namun begitu, melalui novel ini, hanya terdapat pecahan semantik leksikal yang terdiri daripada antonim–442 (43.37%), sinonim–218 (21.39%), meronim–185 (18.15%) dan hiponim–174 (17.07%). Dapat dirumuskan bahawa, melalui pendekatan semantik leksikal ini, membolehkan pelbagai golongan leksikal yang berbeza dikelaskan dalam golongan makna yang sama

    Modulus Effect on Local Load Distribution for FRP/Steel Bonded Joint

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    Rehabilitation of piping system has been a major concern in the oil and gas industries. Fibre reinforced polymers (FRPs) have been introduced as an alternative approach and increasingly used in repairing oil and gas pipeline. However, performance of pipeline repair system is decided by its load transfer ability and for FRPs, this led to the debonding issue which has been studied by many researchers. This paper describes a series of double strap shear tests under tensile load to investigate the bond performance between FRP sheets and steel plates. Adhesive failure at the steel-adhesive interface was observed to be the dominant failure mode for both glass fibre reinforced polymer (GFRP)-Steel and carbon fibre reinforced polymer (CFRP)-Steel DSJ due to its higher modulus ratio compare to FRP-adhesive interface. Strain distribution along the bond length shows that GFRP offer larger extension before debonding compared to CFRP. CFRP-Steel DSJ withstand higher ultimate load and possessed better load transfer ability compare to GFRP-Steel DSJ. The load spread throughout the CFRP-Steel DSJ bond length while only 50% of GFRP-Steel bond length were effective. The experimental result shows that the FRP type and bond area of a rehabilitated pipeline need to be taken into consideration during pipeline strengthening

    A review of properties and fabrication techniques of fiber reinforced polymer nanocomposites subjected to simulated accidental ballistic impact

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    Composite structure experience ballistic or high velocity impact loading during in-flight operations owing to hail, bird and debris strike. In thin laminates, such an impact entails damage resulting from complex interplay of projectile characteristics, composite material properties and environmental conditions. Delamination resistance and energy absorption are two parameters to characterize the ballistic performance of materials in research community. As out of plane properties are controlled by matrix, its microstructural modification is the primary method through which ballistic performance of composites are sought to be improved. High specific surface area nanoparticles are now being used, for matrix modification, to induce nano-scale toughness mechanisms. This paper starts with brief outline of these mechanisms followed by summarizing nanocomposite fabrication techniques and ballistic impact performance of nanocly, graphene, carbon nanotube and other miscellaneous nanoparticle reinforced composites. Finally, it highlights unexplored areas in polymer nanocomposite research with focus on ballistic performance

    A focused review of short electrospun nanofiber preparation techniques for composite reinforcement

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    Short nanofibers have been of interest in preparing 3D porous structures, aerosol filters, and nanocomposites. These materials require nanofiber retrieval and application in short form with simultaneous control over aspect ratio. Electrospinning, conventionally, offers minimal control over short nanofiber yield as nonwoven mat is the default configuration of collected sample. High surface area to volume ratio nanofiber, however, can offer new vistas in material design if standardization of short nanofiber preparation practices, offering control over aspect ratio, can be attained. It will provide novel insights into design of tissue engineering scaffolds, filtration membranes, and nanocomposite properties. This work summarizes reported efforts to prepare short nanofiber through mechanical, chemical, material, and operational variables. It aims to provide comparative glance at attempts to control aspect ratio along with pros and cons of the adopted techniques. Lastly, discussion shares generalized conclusions and insights gathered while reviewing material and operational variables adopted for short nanofiber preparation

    Mechanical behaviour of pin-reinforced foam core sandwich panels subjected to low impact loading

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    As a light structure, composite sandwich panels are distinguished by their significant bending stiffness that is rapidly used in the manufacture of aircraft bodies. This study focuses on the mechanical behaviour of through-thickness polymer, pin-reinforced foam core sandwich panels subjected to indentation and low impact loading. Experimental and computational approaches are used to study the global and internal behaviour of the sandwich panel. The samples for experimental testing were made from glass/polyester laminates as the face sheets and polyurethane foam as the foam core. To further reinforce the samples against bending, different sizes of polymeric pins were implemented on the sandwich panels. The sandwich panel was fabricated using the vacuum infusion process. Using the experimental data, a finite element model of the sample was generated in LS-DYNA software, and the effect of pin size and loading rate were examined. Results of the simulation were validated through a proper prediction compared to the test data. The results of the study show that using polymeric pins, the flexural strength of the panel significantly increased under impact loading. In addition, the impact resistance of the pin-reinforced foam core panel increased up to 20%. Moreover, the size of pins has a significant influence on the flexural behaviour while the sample was under a moderate strain rate. To design an optimum pin-reinforced sandwich panel a “design of experiment model” was generated to predict energy absorption and the maximum peak load of proposed sandwich panels. The best design of the panel is recommended with 1.8 mm face sheet thickness and 5 mm pins diameter
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