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775 Aktuelle Fachpublikationen zum Thema temperature

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Sequestration and speciation of Eu(III) on gamma alumina: role of temperature and contact order

30.09.2015 | Yawen Cai; Xuemei Ren; Yue Lang; Zhiyong Liu; Pengfei Zong; xiangke wang; Shitong Yang, Journal of Environmental Monitoring, 2015

The speciation, migration and transport of radionuclides in the environment are significantly influenced by their interactions with the natural minerals and humic substances therein. In view of this, the effect of temperature and contact order on the sorption behaviors of trivalent Eu(III) in the ...


Supercritical water gasification of petrochemical wastewater for hydrogen production

25.09.2015 | Xie Runcheng, Liu Yi, Bu Tao, Yao Yong, Deng Kun, Yang Zhibin, Environmental Progress, 2015

Supercritical water gasification of petrochemical wastewater is a promising technology for clean petrochemical wastewater utilization. In this paper, hydrogen production by noncatalytic partial oxidation of petrochemical wastewater was systematically investigated in supercritical water with a ...


IJERPH, Vol. 12, Pages 12057-12081: Climate Change and Its Impact on the Eco-Environment of the Three-Rivers Headwater Region on the Tibetan Plateau, China

25.09.2015 | Jiang, Chong ; Zhang, Linbo, International Journal of Environmental Research and Public Health, 2015

This study analyzes the impact of climate change on the eco-environment of the Three-Rivers Headwater Region (TRHR), Tibetan Plateau, China. Temperature and precipitation experienced sharp increases in this region during the past 57 years. A dramatic increase in winter temperatures contributed ...


Sulfur Reduction in Acid Rock Drainage Environments

23.09.2015 | Anna P. Florentino; Jan Weijma; Alfons J. M. Stams; Irene Sánchez-Andrea, Environmental Science & Technology, 2015

Microbiological suitability of acidophilic sulfur reduction for metal recovery was explored by enriching sulfur reducers from acidic sediments at low pH (from 2 to 5) with hydrogen, glycerol, methanol and acetate as electron donors at 30 °C. The highest levels of sulfide in the enrichments were ...


Sustainability, Vol. 7, Pages 12926-12946: Energy Efficiency Evaluation and Economic Feasibility Analysis of a Geothermal Heating and Cooling System with a Vapor-Compression Chiller System

22.09.2015 | Imal, Muharrem ; Yılmaz, Koray ; Pınarbaşı, Ahmet, Sustainability, 2015

Increasing attention has been given to energy utilization in Turkey. In this report, we present an energy efficiency evaluation and economic feasibility analysis of a geothermal heating and cooling system (GSHP) and a mechanical compression water chiller system (ACHP) to improve the energy ...


IJERPH, Vol. 12, Pages 11869-11879: Quantifying Vulnerability to Extreme Heat in Time Series Analyses: A Novel Approach Applied to Neighborhood Social Disparities under Climate Change

22.09.2015 | Benmarhnia, Tarik ; Grenier, Patrick ; Brand, Allan ; Fournier, Michel ; Deguen, Séverine ; Smargiassi, Audrey, International Journal of Environmental Research and Public Health, 2015

Objectives: We propose a novel approach to examine vulnerability in the relationship between heat and years of life lost and apply to neighborhood social disparities in Montreal and Paris. Methods: We used historical data from the summers of 1990 through 2007 for Montreal and from 2004 through ...


IJERPH, Vol. 12, Pages 11770-11780: Predictive Factors for Hospitalization of Patients with Heat Illness in Yamaguchi, Japan

18.09.2015 | Yamamoto, Takahiro ; Todani, Masaki ; Oda, Yasutaka ; Kaneko, Tadashi ; Kaneda, Kotaro ; Fujita, Motoki ; Miyauchi, ..., International Journal of Environmental Research and Public Health, 2015

The objective of the study was to investigate the predictive factors for the hospitalization of patients who presented with mild to moderate heat illness at an emergency department. We conducted a retrospective survey of hospitals with an emergency department in Yamaguchi Prefecture, Japan. The ...


Sustainability, Vol. 7, Pages 12672-12692: Improvement of Air Quality and Thermal Environment in an Old City District by Constructing Wind Passages

15.09.2015 | Peng, Chong ; Li, Chu ; Zou, Zuyu ; Shen, Suwan ; Sun, Dongqi, Sustainability, 2015

A case study in an old city district with hot-humid climatic conditions in Wuhan, China was conducted to explore the potential renewal strategies favorable to the local residents and pedestrians. For this purpose, a comprehensive mathematical model considering the parameters such as ambient ...


Performance evaluation of a nonimaging solar concentrator in terms of optical and thermal characteristics

09.09.2015 | Abid Ustaoglu, Junnosuke Okajima, Xin‐Rong Zhang, Shigenao Maruyama, Environmental Progress, 2015

A nontracking, nonimaging solar concentrator with a low‐heat‐loss configuration was proposed, and its optical and thermal performance was investigated. The reflector has a compound parabolic and involute shape so that the absorber is heated as uniformly as possible. To eliminate heat loss by ...


Modification of activated carbon by 4‐(8‐hydroxyquinoline‐Azo)benzamidine for removal of Hg2+ from aqueous solutions

02.09.2015 | Fatemeh Hatami, Hossein Faghihian, Environmental Progress, 2015

In this research, the activated carbon prepared from walnut shells was chemically activated by ZnCl2 and modified by 4‐(8‐hydroxyquinoline‐azo)benzamidine. The synthesized adsorbent was used for the removal of Hg2+ from aqueous solutions. The effect of different parameters including pH, initial ...


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