Quantitative investigation of physical and mechanical properties of different artificial aggregate

Concrete is an important construction element because it is plastic and soft when newly mixed, yet strong and tough when hardened. However, when the world technologies are develop year by years, lightweight concrete has been commonly used in several structural element applications and its exploitation increases every year on a global basis [1]. Thus, where lightweight concrete is desirable, raising the need for partial or total replacement of the aggregate with a lighter substitute is needed. Lightweight concrete contains artificial aggregate that is natural or synthetic which weighs less than 1100 kg/m3. Due to the low density of Light Weight Aggregate (LWA), it provides better insulation property and can be used to produce light weight concrete. During this period, various types of aggregates have been used

Sikap guru Pendidikan Khas integrasi bermasalah pembelajaran terhadap perkhidmatan bimbingan dan kaunseling.

The purpose of the research is to know how the teachers of special education of learning disability integration react towards the guidance and counseling services. The descriptive survey uses questionnaires of 'Counseling Attitude Scales' which is translated into Malaysian language and the validity and reliability is acknowledged by Awang Mat Ali (1979). The subject of the survey consists of 109 teachers from special education integrated with learning disability department. They are randomly selected from 10 schools in the district of Hulu Langat, Selangor. The primary survey has been carried out and later is key-in in the SPPS 12.0 version. The accountability of the survey is Cronbach Alpha 0.702. The data is analyses using t - test and A3OVA test. The outcome of the descriptive survey is there is no significant difference between gender and attitude, with value t (109) = .531, p > 0.05. Also among the Malay, Chinese and Indian ethnics, there is no different in their behavior on how they reacts towards the guidance and counseling services F = 4.234, p 0.05 and degree holders t(65) = .766, p > 0.05. In conclusion, the outcome indicates that the majority of these teachers react positively. Based on the finding, the need of guidance and counseling services in the school of special education integration with learning disability is strong recommended in order to upgrade the overall quality of the guidance and counseling in the school

Ozone pollution and historical trends of surface background ozone level: a review

A literature survey was conducted to review the historical ozone data from background stations around the world to characterize background ozone levels and trends while also determining the reasons underlying such trends. Ozone pollution is regarded as a great concern nowadays because of its potential effects on human health and the environment especially vegetation. Historical increasing of ozone trends as reported ranged between 0.06 and 2.6% year with some of the largest increasing trend were observed at stations in Europe and Japan. For most stations, the trends were not consistent during the reporting period, but from the year 1970s until the mid 1980s, the trends are generally larger and steeper compared to the year 1990s. Sensitivity studies using chemical transport model were conducted to explain the rising trends in background ozone levels over the past decades

Surfacing effects on thermal condition in urban open space / Liyana Ahmad Bazuli and Azhan Abdul Aziz

Urban density has significant impacts in shaping the microclimatic condition of urban milieu. Studies related to global warming and environmental hazard effecting climate condition particularly in urban open space indicates constructive outcomes of escalating temperature caused by poor design strategies and adaptation. Hence, the aim of this study is to identify and assess the elements and prospects of existing open space towards outdoor thermal condition and discomfort of urban environments while preserving the ideal state of quality of life. Measures involve physical microclimatic parameters (radiant temperature, air velocity and relative humidity) and calculations of natural and manmade topographies in two identical open spaces. Meteorological assessments was conducted at designated zones for three (3) days in June at 1.1meter above ground level with five (5) and ten (10) minutes time interval.The preliminary findings revealed that the morphological characteristicsand total area of natural and manmadeelements affect the thermal condition of urban open spaces. However, further empirical research is required to include other associated parameters i.e. types of vegetation and materials promoting ideal thermal environments

Questioning strategy and academic reading performance: the case of low proficient students / Liyana Ahmad Afip

This research investigates whether questioning strategy could affect the reading performance of less proficient readers. The main objectives of the research were to 1) determine metacognitive strategies used by the less proficient readers in reading, 2) investigate students' perceptions of questioning strategy in reading, 3) investigate whether questioning strategy could affect students' reading performance and 4) investigate whether questioning strategy could affect students' reading performance by gender. The research employed a quasi-experimental design. A total of sixty low proficiency Form Six students were purposively selected and assigned into two groups namely the Experimental Group and the Control Group. The instruments used were questionnaire, a pre-test, a post-test, three reading lessons (using questioning strategy) and five open-ended questions for reflection session. Both groups had to answer a questionnaire, sit for a pre-test, participate in fliree reading lessons and sit for a post-test. Only the students in the Experimental Group had to participate in strategy training and reflection session. The findings revealed that non-proficient students were high reading strategy-users. The students in Experimental Group gave positive feedback regarding the use and effect of questioning strategy and the result from independent t-test and paired sample t-tests showed a significant difference, revealing the effectiveness of the strategy. It also had positively affected the reading performance of both male and female students in Experimental Group. These findings have direct implications on the teaching and learning English to the less proficient learners. It proves that strategies are trainable and there are avenues for teachers to help these students

Physical Effects On The Interactions Of CO2 Laser On The Teeth

Recent studies have shown that CO2 lasers can successfully be used at low-power densities to fuse enamel, dentin, and apatite. In this study, forty nine samples of different types of extracted human teeth were irradiated under low power continuous wave CO2 laser. The mass, density, and thickness of each type of teeth were recorded before and after irradiation. Density and thickness of the sample was measured using gas pycnometer and gamma spectroscopy with Americium-241 source, respectively. Chemical compounds of teeth were determined using Fourier Transform Infrared Spectroscopy (FTIR), diameter of penetration with biological microscope, and the penetration depth was calculated by differentiation of thickness before and after irradiation

Travelling Distance for Evacuee in Multi-Storey Residential Building

The study on evacuation safety often an emphasis on the total evacuation time where only few research consider the distance and path needed for evacuee to evacuate the building. Thus, this study focuses on the maximum and average travelling distance need for the elderly and other evacuees in the multi-storey residential building. Pathfinder software is used in this study, and 162 simulations were tested. Results show that the escape route design and staircase condition plays a significant contribution towards occupant travel distance. Other factors such as occupancies and elderly resident also contribute to the increase in travelling distance. Keywords: Multi-Storey, Escape Route Design, Evacuation eISSN: 2398-4287© 2020. The Authors. Published for AMER ABRA cE-Bsby e-International Publishing House, Ltd., UK. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia. DOI: https://doi.org/10.21834/ebpj.v5iSI3.254

Evaluation of Escape Route Design in Public Multi-Storey Housing in Malaysia for Elderly Occupants

Public multi-storey residential buildings in Malaysia are dependent on the passive design approach to ensure maximum safety during an emergency. Elements of escape route design include corridors, exits and staircases. This paper evaluates the escape route distance and duration for the elderly to evacuate the building to safety using Pathfinder simulations. The results show that the staircase has a significant contribution towards providing fast evacuation. Meanwhile, varying the width of the exit doors and corridors had minimal impact on evacuation. On average, the elderlies took longer to evacuate due to their slow speed of movement and limited physical capability. Keywords: Multi-Storey, Escape Route Design, Evacuation, Simulation eISSN: 2398-4287 © 2020. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia. DOI: https://doi.org/110.21834/ebpj.v5iSI2.2521

Discord in the Family Environment: Reviewing incidences of fratricide and sororicide in Malaysia

Family discords or quarrels are considered normal and ordinary. However, the level and intensity of the discords and disputes have led to incidences of fratricide and sororicide. In the case of fratricide (the killing of one’s brother) and sororicide (the killing of one’s sister), the escalating number of incidences as reported in the media requires proper intervention by the relevant parties. The aim of this paper is to review published articles on family discords and violence, particularly on incidences of fratricide and sororicide. The findings and implications of the findings will be discussed in this review paper.Keywords: fratricide; sororicide; discord; family environmentISSN: 2398-4287© 2017. The Authors. Published for AMER ABRA by e-International Publishing House, Ltd., UK. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia