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RISS 인기검색어
- 검색키워드
- 저자 : Clarissa M. Pesigan (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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Clarissa M. Pesigan,Virginia J. Soriano The International Academy of Global Business and T 2020 The International Academy of Global Business and T Vol.16 No.2
Purpose - Electronic waste, or e-waste, continues to flourish as a result of exponential growth in technology. The large volume of e-waste generated can be a potential source of resource and energy, hence, providing a complementary means to the primary extraction of minerals such as copper and gold in addition to promoting a circular economic model. In the Philippines, informal gold recovery is one of the sinks for such e-waste. Design/Methodology/Approach - This study evaluated the potentials of informal gold recovery from end-of-life cellular phones from the perspective of environmental soundness and socio-economic viability. It aimed to serve as a baseline measurement of the economic benefits of e-waste material recovery to strengthen the need to establish an effective e-waste management framework and tap its potentials as an emerging sector in the economy. Process-based Life Cycle Assessment (LCA) was conducted using 100g Au with data collected much earlier. The resulting impacts to human health and the environment were determined following the procedure indicated in ReCiPe (2008). Benefit-cost (BC) ratio was also computed as the measure of economic benefit while, for the social impacts, a criticality score was computed. Findings - Results of the environmental impact assessment showed that informal gold recovery poses a large threat to human health due to the emitted gases. This result is verified by the high risk computed in the social impact assessment contributed primarily by the risk of poisoning, risk of acquiring eye injury and respiratory and nervous system diseases from inhalation of fumes. Nevertheless, the risks were lessened with improvements in the system. A benefit-cost ratio of 1.21 was computed, entailing an economic benefit from this practice, with labor cost contributing the highest. Research Implications - Informal gold recovery is potentially sustainable, but to reap the greatest benefits and reduce the risks, some actions or interventions at the operational and national level are needed, such as usage of less hazardous substances, reduction of labor and protection of workers, utilization of methods engineering to improve efficiency and cost-effectiveness, formulation and assessment of national e-wastes inventory, and implementation of an e-waste management system policy to harness global business and trade opportunities.
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Angelica Louise P. San Juan,Josefa Angelie D. Revilla,Angelo C. Ani,Clarissa M. Pesigan,Alan Marco S. Mercado 대한산업공학회 2022 Industrial Engineeering & Management Systems Vol.21 No.4
The use of computers, especially for school-works or office-related activities, has been vital in recent years. Nowa-days, in the Philippines, English and Tagalog languages are alternately used for formal writing, while Taglish is often used for informal writing. Either means of type-written communication is highly dependent on the use of computer keyboards. The most used keyboard layout today is the QWERTY layout, which based on previous studies, was not designed ergonomically. Hence, this study aims to develop ergonomic keyboard layouts that are more fit than the QWERTY layout, in terms of utilizing finger strength and encouraging finger and hand alternation, for typing in Eng-lish, Tagalog, and Taglish. The keyboard layouts were developed with the use of Python programming language. The layouts were developed considering factors such as finger strength, finger alternation, and hand alternation and were evaluated using the Text Analysis (TA) points computed based on the previously-mentioned factors and the distance travelled by each finger. Of the 12 proposed layouts, layouts 2 and 4 ease hand movement when typing English, Ta-galog, and Taglish words as compared to the QWERTY keyboard layout.
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