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Paulo José Matos, José Silva Coelho, Cristina Carapeto
Pág. 1 - 16
A mudança climática não pode ser desmentida. Desde que a humanidade adquiriu o conhecimento da eletricidade que tem transformado todo o seu modo de viver em seu redor. Para a produção de eletricidade recorre-se, em parte, à combustão de materiais que lib...
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Jauhar Ismiyadinata, Harry Yuliansyah, Muhammad Reza Kahar Aziz, Arief Syaichu Rohman, Dr.
Pág. 9 - 16
This article proposes a design of 400 watt inverter with frequency of 50 Hz at voltage of 12 Vdc input and 220 Vac output. This inverter is designed to convert the Direct Current (DC) into Alternating Current (AC) voltage with the purpose to utilize DC e...
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Abdul Ghani Olabi, Rania M. Ghoniem, Abdul Hai Alami and Mohammad Ali Abdelkareem
DC power may be more efficient than AC power in certain applications, especially when it comes to local generation and storage. This is because AC power requires extra equipment to convert it to DC power, which can lead to energy losses. Using DC power, ...
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Xihong Zhang, Wahidul K. Biswas, Andy Watt, Lendyn Philip and Shaun Sadler
This paper presents the application of recycled tubular, flowline, and umbilical in coastal protection structures. Flowline and tubular are found to improve the load resistance capacity of concrete beams. Embedment of flowline, umbilical, and tubular int...
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Graham A. Watt, Richard A. Fleming, Sandy M. Smith and Marie-Josée Fortin
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Angela K. Werner, Cate M. Cameron, Kerrianne Watt, Sue Vink, Paul Jagals and Andrew Page
The majority of Australia?s coal seam gas (CSG) reserves are in Queensland, where the industry has expanded rapidly in recent years. Despite concerns, health data have not been examined alongside CSG development. This study examined hospitalisation rates...
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Horacio E. Bown, Michael S. Watt
Pág. 95 - 109
Stem CO2 efflux is a highly variable component of the carbon budget of forest ecosystems. It reflects the balance between the CO2 respired by the living stem tissues, less the CO2 dissolved in the xylem sap moving upward in the transpiration stream, plus...
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Horacio E. Bown, Euan G. Mason, Michael S. Watt, Peter W. Clinton
Pág. 361 - 374
The 3-PG (Physiological Principles in Predicting Growth) radiation-use efficiency model has been widely used and tested for predicting the primary productivity of forests all over the world. This radiation-use efficiency model accounts for plant nutritio...
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Sebastian F.L. Watt,David M. Pyle,Tamsin A. Mather
Pág. 216 - 226
The 2008 eruption of Chaitén Volcano was widely cited as the first activity at the volcano for over 9000 years. However, we have identified evidence from proximal pyroclastic deposits for three additional explosive eruptions of Chaitén within the past 50...
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Riëtte de Lange,Ben Marx,Alex van der Watt
AbstractSustainability has been described as the primary moral and economic imperative of the twenty-first century and one of the most important sources of both opportunities and risks for businesses. From an educational perspective, sustainability could...
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Horacio E. Bown, Michael S. Watt, Peter W. Clinton, Euan G. Mason
Pág. 505 - 520
H.E. Bown, M.S. Watt, P.W. Clinton, and E.G. Mason. 2012. The influence of N and P supply and genotype on N remobilization in containerized Pinus radiata plants. Cien. Inv. Agr. 39(3): 505-520. A large proportion of the nitrogen (N) used in the current...
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Horacio E. Bown, Michael S. Watt, Peter W. Clinton, Euan G. Mason
Pág. 277 - 289
Patterns of carbon flux and partitioning were examined in highly stocked (40,000 stems ha-1) control and fertilized mini-plots of Pinus radiata D. Don at five sites, which covered a wide climatic and edaphic gradient on the South Island of New Zealand. T...
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Sebastian F.L. Watt,David M. Pyle,Tamsin A. Mather
Pág. 335 - 348
Huequi, a little-known volcano in the southern part of the Andean southern volcanic zone (SSVZ), shows a regionally unusual eruption style, mineralogy and geochemistry. The volcano comprises multiple highly-eroded lava domes. Past eruptions were accompan...
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Horacio E. Bown, Euan G. Mason, Peter W. Clinton, Michael S. Watt
Pág. 451 - 464
Chlorophyll fl uorescence responses to a factorial combination of nitrogen (N) and phosphorus (P) supply were measured in fi ve clones of Pinus radiata cultivated in a greenhouse over twenty-four months. Chlorophyll fl uorescence measurements were tak...
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Shih-Chieh Hsieh, Yih-Der Lee and Yung-Ruei Chang
The paper presents an economic evaluation, including a cost-benefit analysis and a sensitivity analysis, of smart photovoltaic (PV) inverters with a novel Watt-Var control scheme for enhancing PV penetration in distribution systems in Taiwan. The novel W...
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Allah Ditta, Zhongli Zhou, Xiaoyan Cai, Muhammad Shehzad, Xingxing Wang, Kiflom Weldu Okubazghi, Yanchao Xu, Yuqing Hou, Muhammad Sajid Iqbal, Muhammad Kashif Riaz Khan, Kunbo Wang and Fang Liu
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Jeff Dix, Jeremy Holleman and Benjamin J. Blalock
A programmable, energy-efficient analog hardware implementation of a multilayer perceptron (MLP) is presented featuring a highly programmable system that offers the user the capability to create an MLP neural network hardware design within the available ...
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K. Wayne Forsythe, Chris H. Marvin, Christine J. Valancius, James P. Watt, Joseph M. Aversa, Stephen J. Swales, Daniel J. Jakubek and Richard R. Shaker
The Laurentian Great Lakes of North America contain approximately 20% of the earth?s fresh water. Smaller lakes, rivers and channels connect the lakes to the St. Lawrence Seaway, creating an interconnected freshwater and marine ecosystem. The largest del...
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Sandra Loekita,Jimmy Priatman
Pág. 108 - 116
The Indonesian National Standard SNI 03-6389-2000 adapted the 1983 Singapore?s Handbook on Energy Conservation and limited the Overall Thermal Transfer Value (OTTV) of the building envelope to 45 Watt/m2. In 2008, the Singapore?s Building and Constructio...
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Sefrani Isdarmayani Siregar, Syamsyarief Baqaruzi, Rachmad Hidayatullah
Pág. 307 - 312
As technology grows, so does the consumption of energy, especially electricity. Today, electricity has become the most used energy worldwide and the demand keeps on increasing every year. According to PLN annual report the highest electricity consumption...
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