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56 results for “relative humidity”
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Research ArticleOpen accessIn the abstractEffect of Polypropylene Fibers on the California Bearing Ratio of Air Cured Stabilized Tropical Peat SoilBehzad Kalantari, Bujang B.K. Huat, Arun PrasadProblem statement: Peat soil is well known to deform and fail under a light surcharge load and is characterized with low shear strength, high compressibility and high water content. With the rising demand from the construction industry, utilization of these soils is required and suitable technique needs to be found out for stabilizing them. Approach: Model study had been carried … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,697 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Thermal Comfort: A Study at Closed and Ventilated Call CentreA. R. Ismail, N. Jusoh, N. K. Makhtar et al.Problem statement: The aims of study were to investigate the effects of environmental factors including the human physiology and thermal comfort during the cycle of process works in workplace. Approach: The selected production line was handling the restoration of trouble report. The environment examined was the relative humidity (%), wind speed (m sec-1), illuminance (lux) and air temperature (°C) of … …American Journal of Applied Sciences, Vol. 7, Issue 3 · 31 Mar 2010 · 7,624 accessesView PDFCite
Research ArticleOpen accessIn the abstractNutritional Value of the Maize Stalk Borer and American Bollworm as Unconventional Protein SourcesA.E. Ghaly, F.N. AlkoaikProblem statement: The maize stalk borer and American bollworm were grown in an artificial media to evaluate their potential as human food sources. Approach: Both cultures were started from moths and the life cycle and culture structures were evaluated. Results: The larvae of both insects reached maximum weight and maximum length at the same time. The growth rate of the … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 8,088 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Use of Insects as Human Food in ZambiaA.E. GhalyProblem statement: The life cycle and culture structure of two commonly eaten worms in Zambia (Isoberlinia paniculata and Miombo/Mopani) were evaluated. The worms were grown on an artificial medium to evaluate the potential of producing them on a commercial scale. Approach: An interesting characteristic of the worms studied was that they reached their maximum weight and maximum length at the … …OnLine Journal of Biological Sciences, Vol. 9, Issue 4 · 31 Dec 2009 · 8,701 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Black Cutworm as a Potential Human FoodA.E. GhalyProblem statement: The black cutworms (Agrotis ipsilon) were grown in an artificial medium to evaluate their potential as a human food. Approach: The culture was started from moths and the life cycle and culture structure were evaluated. There was an initial adjustment period of 3 days during which the growth of the larvae was very slow. The size of the … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 7,573 accessesView PDFCite
Research ArticleOpen accessIn the abstractThermal Comfort Assessment and Optimization of Environmental Factors by Using Taguchi MethodA. R. Ismail, M. R.A. Rani, Z. K.M. Makhbul et al.Problem statement: The objective of this study was to determine the dominance effects of environmental factors such as Illuminance (lux), relative humidity (%) and WBGT (°C) on the operators’ productivity at Malaysian automotive industry. Approach: One automotive parts assembly factory had been chosen as a subject for the study. The subjects were workers at the assembly section of the factory. … …American Journal of Applied Sciences, Vol. 6, Issue 9 · 30 Sep 2009 · 7,188 accessesView PDFCite
Research ArticleOpen accessIn the abstractThermal Comfort Assessment: A Case Study at Malaysian Automotive IndustryA. R. Ismail, N. Jusoh, R. Zulkifli et al.Problem statement: Thermal comfort has a great influence on the productivity and satisfaction of indoor building occupants. The exposure to excessive heat during work may cause discomfort and contributed to low productivity among workers. Malaysia known with its hot and humid weather where in most of the survey study published indicated that workers in Malaysia automotive industries had exposed to … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,576 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy of the Drying Kinetics of Lemon GrassMustafa Ibrahim, K. Sopian, W. R.W. DaudProblem statement: The thin- layer drying experiments were conducted to examine the effect of drying air temperature and humidity on the drying kinetics. Approach: A model to estimate the drying behavior of Lemon grass was developed). Results: Four different thin-layer drying models were compared with respect to their coefficient of determination (R2), Mean Bias Error (MBE) and Root Mean Square … …American Journal of Applied Sciences, Vol. 6, Issue 6 · 30 Jun 2009 · 7,432 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe First Report of the Occurrence of Anthracnose Disease Caused by Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. on Dragon Fruit (Hylocereus spp.) in Peninsular MalaysiaMasanto Masyahit, Kamaruzaman Sijam, Yahya Awang, Mohd Ghazali Mohd SatarProblem statement: The increasing of dragon fruit (Hylocereus spp.) plantations in Malaysia enhances the researches on this crop, particularly focusing on its physico-chemical characteristics, great potential health benefits and nutritional value. However, its scientific report of disease is still lacking, primarily on anthracnose disease. This study was then conducted to investigate the distribution of anthracnose disease on dragon fruit and … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 11,824 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Heat Transport in a Proton Exchange Membrane (PEM) Fuel CellE. Afshari, S.A. JazayeriIn this study a two-phases, single-domain and non-isothermal model of a Proton Exchange Membrane (PEM) fuel cell has been studied to investigate thermal management effects on fuel cell performance. A set of governing equations, conservation of mass, momentum, species, energy and charge for gas diffusion layers, catalyst layers and the membrane regions are considered. These equations are solved numerically in … …American Journal of Applied Sciences, Vol. 6, Issue 1 · 31 Jan 2009 · 7,342 accessesView PDFCite