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  • Articles  (33,213)
  • Elsevier  (23,185)
  • American Geophysical Union  (5,893)
  • American Meteorological Society  (2,096)
  • American Association for the Advancement of Science (AAAS)  (2,039)
  • American Physical Society (APS)
  • 2010-2014  (32,295)
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  • Articles  (33,213)
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  • 2010-2014  (32,295)
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  • 1
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    Foreword: About ESS 2010 (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 6 Sarah Cornell, Cat Downy ESS2010 was the first Open Science Conference of the international collaborative initiative AIMES, and was convened and organized by QUEST, the UK's directed research programme for Earth System science. The conference showcased advances in Earth system modelling, deploying observations and process understanding to develop more quantitative and predictive understanding of the interactions of the climate system, the biosphere and the anthroposphere. These tools extend understanding of the system dynamics of biogeochemical cycles, and give perspectives on the relationships between climate, ecosystems and human needs. As Earth system science is a global research endeavour, and its remit has important societal and policy implications, a recurrent theme in the conference was the responsibility of scientists working on knowledge integration in the global environmental change context.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Published by Elsevier
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  • 2
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    Energy consumption and carbon emissions in a coastal city in China (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 4 Ma Chun, Ju Mei-ting, Zhang Xiao-chun, Li Hong-yuan Analyses of energy consumption and carbon emissions in Tianjin are ways to understand the dynamics of developing cities in China. Using carbon emission calculation methodology recommended by IPCC, the amount of energy consumption and carbon emissions in Tianjin were calculated from 1995 to 2007. The results showed that the energy consumption structure in Tianjin relied on coal. Annual carbon emission was 26.37 million tons with growth of 4.48% per year; Sc (carbon emission per GDP) reduced year by year, and Se (carbon emission per energy consumption) decreased overall. We also proposed countermeasures to reduce carbon emissions from energy consumption.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 3
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    Preparation and Mechanical Properties of PTFE/Nano-EG Composites Reinforced with Nanoparticles (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 10, Part B Yanhong Yan, Zhining Jia, Yulin Yang The polytetrafluroethylene (PTFE) polymer-based nanocomposites filled with nanoscale lamellar structure expanded graphite (nano-EG) and reinforced with different nanoparticles, such as nano-Al 2 O 3 , nano-copper, nano-SiO 2 and nano-TiO 2 , were prepared by using cold briquetting and hot-press sintering technologies. The quasi-static tensile experiments and dynamic mechanical thermal analysis (DTMA) were carried out. The results showed that the mechanical properties of these nanocomposites stronger depend on the variety of nanoparticles. Stress-displacement and stress relaxation curves indicate that theses composites are typical viscoelastic materials. However, due to the addition of nano-EG and other nano-particles, some composites showed relatively brittle to some extent. These research findings are believed to be helpful for providing practical guide in harsh environments.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 4
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    Simulation and Optimization of Indoor Thermal Environment in a Ship Air-conditioning System (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 11, Part C Liu Hongmin Crew's health and productivity is strongly affected by cabins’ thermal environment. This paper focuses on the numerical simulation of the indoor thermal environment in air-conditioned vessel cabins. The original airconditioning system of the cabin was analyzed. Three modified air-conditioning systems with different air-supply outlet locations and under-supply air-conditioning system were put forward for optimization. Air temperature, air velocity and PMV distribution were discussed under Airpak simulation. The results show that under-supply airconditioning system has good performance with little eddies and can contribute to energy saving. Indoor air temperature with under-supply air-conditioning system was 2∼4 lower than that °C with original air-conditioning system, leading to lower predicted mean vote (PMV).
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 5
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    Message from the Organizing Committee of the First 2011 International Conference on Environment Science and Biotechnology (ICESB 2011) (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 8 Parvinder Singh Sandhu
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 6
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    Distribution of Estrogens Along Licun River in Qingdao, China (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 10, Part C Xin Zhou, Ziru Lian, Jiangtao Wang, Liju Tan, Zhichao Zhao Estrogens (estrone, estradiol and estriol) and synthetic compound (ethynyl estradiol) in the water and sediment of Licun River-Jiaozhou Bay area in Qingdao were monitored. Estrogens in waters were concentrated using modified C- 18 SPE cartridges, and estrogens in sediments were extracted by liquid-solid extraction. Silane derivatives of the extracted and concentrated estrogens were analyzed by GC-MS. The concentration of estrogens ranged from ND (below the detection limit) to 180 ng/L in waters and ND to 10.8 colong/kg (dry weight) in sediment. The concentrations of estrogen in river water were higher than those in seawater during the monitoring periods. The distribution of estrogen concentration along Licun river suggested that estrogens were different with distance from the respective effluent sites. The highest concentrations were detected at station 5 which directly receives huge quantities of pollutants from adjacent rivers containing large amounts of farming and industrial wastewater.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 7
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    Ecological engineering: from concepts to applications Foreword (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 9 Jean-Christophe Lata, Sébastien Barot, Gérard Lacroix The International Congress “Ecological Engineering; from concepts to applications”, Paris, was held on 2-4 December, 2009 [3]. These three days were dedicated to the exploration of new breakthroughs in ecological engineering and reflections on the way to develop the field and ground it on sound ecological and conceptual bases
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 8
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    Editorial: key themes and messages from the Earth System Science 2010 conference (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 6 Cat Downy, Sarah Cornell
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 9
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    Dynamic Modeling Method Based on Support Vector Machine (2012)
    Elsevier
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    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 11, Part B Shuzhou Wang, Bo Meng Neural networks with good nonlinear mapping abilities can be applied to build simulation model of helicopter. But they have some difficulties such as hardness of selecting network structure, slow convergence speed, local minimum, and over-fitting. To avoid above problems, a modeling method for dynamic nonlinear system based on support vector machine was proposed. This method was applied to build simulation model of helicopter. Compared with neural network model, SVM model possess some advantages such as simple structure, fast convergence speed and high generalization ability.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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  • 10
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    Comparative Study on the Grain Size Characteristics of Loess Deposit Both on Miaodao Islands and on the Laizhou Bay Plain and Its Implications for Provenance (2012)
    Elsevier
    Details
    Publication Date: 2012-03-09
    Description: Publication year: 2011 Source: Procedia Environmental Sciences, Volume 10, Part C Xu Shujian, Wang Tao The grain size records of loess-paleosol deposit in China are some of the most important terrestrial records of the Quaternary. It systematically carried out fieldwork on loess profile of Tuoji Island on Miaodao Islands and Changyi profile on the Laizhou Bay plain, analyzed grain size of 220 and 86 samples respectively. It shows the grain size of loess in Tuoji Island profile coarser than Changyi profile. The environment-sensitive size fractions of Tuoji Island and Changyi loess section respectively are 89.1-100.0colonm and 70.8-79.4colonm, by analyzing grain-size class vs. standard deviation values method. The changes of grain size characteristics of loess-paleosol recorded in different sections implicated the much plentiful materials in the Changyi profile on Laizhou Bay plain than Tuoji profile on Miaodao Islands.
    Electronic ISSN: 1878-0296
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
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