... States. Environmental Effects of the Fossil Fuel Age By John McNeill Over the last two centuries, human activity has transformed the chemistry of Earth’s water and air, altered the face of Earth ... recently, with the harnessing of fossil fuels, has humankind acquired the power to effect thorough changes on air, water, soils, plants, and animals. Armed with fossil fuels, people have changed ... been able to bring about environmental change much more rapidly, through acceleration of old activities such as deforestation. Origins of Fossil Fuels flowing out of chimneys and smokestacks....
Ngày tải lên: 06/07/2014, 09:20
Ngày tải lên: 10/08/2014, 20:20
The effect of using light and darkness expressions in symbolism in english literature
Ngày tải lên: 22/12/2013, 12:59
Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
Ngày tải lên: 05/09/2013, 09:08
Sustainability of an energy conversion system in Canada involving large-scale integrated hydrogen production using solid fuels
Ngày tải lên: 05/09/2013, 14:58
A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
Ngày tải lên: 05/09/2013, 14:58
Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine
Ngày tải lên: 05/09/2013, 15:28
The effect of EGR rates on NOX and smoke emissions of an IDI diesel engine fuelled with Jatropha biodiesel blends
Ngày tải lên: 05/09/2013, 16:11
Knut Einar Rosendahl (ed.) Social Costs of Air Pollution and Fossil Fuel Use – A Macroeconomic Approach pdf
... environ- mental effects are evaluated on a more local level. We apply a general equilibrium model of the Norwegian economy, which is extended to integrate environmental and non- environmental effects of fossil ... the costs of control. In this study we present calculations of the social costs of certain environmental externalities, as well as other externalities related to the use of fossil fuels. Current ... comparison of these methods). of energy use, the choice of combustion technology and substitution possibilities, which vary between different sectors of the economy. Second, the costs of environmental...
Ngày tải lên: 06/03/2014, 16:20
Báo cáo khoa học: Selecting cells with different Alzheimer’s disease c-secretase activity using FACS Differential effect of presenilin exon 9 deletion on c- and e-cleavage doc
... domains of APP and Notch, it remains unclear whether the same proteolytic activity is involved. Therefore we compared the effect of c-secretase inhibitors on both substrates. The effect of the ... was calculated as the ratio of mean linear fluorescence (MLF) of inhibitor- treated cells (grey solid line) to the MLF of DMSO treated cells (black solid line) after subtraction of the MLF of the mock-transfected ... c-secretase activity was determined by FACS analysis of the cells, using fluorescence as an indication of GFP expression, and by immunoprecipita- tion of radiolabeled-Ab from the culture media (as described...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo " Research on the effect of urban expansion on agricultural land in Ho Chi Minh City by using remote sensing method " ppt
... lot of new urban areas has rose for satisfaction of housing demand from population explosion. This made the city facing problems of ecological unbalance and loss of ... industrial, commercialzones. 4.2. Effect of loss of agriculturallandduetourban expansion Agricultural activities in suburban areas belongto generalsocio‐economicstructure of Ho Chi Minh ... under sustainabledevelopment Inthefuture,itisrequiredahugeamount of investment to improve the productivity and effectiveness of agriculture in the situation of less remained agricultural areas with...
Ngày tải lên: 14/03/2014, 15:20
hydrodealkylation of toluene using supported nickel catalysts- effect of molybdenum on activity and selectivity
Ngày tải lên: 15/05/2014, 02:06
báo cáo hóa học: " A case study of new assessment and training of unilateral spatial neglect in stroke patients: effect of visual image transformation and visual stimulation by using a head mounted display system (HMD)" doc
... al. Journal of NeuroEngineering and Rehabilitation 2010, 7:20 http://www.jneuroengrehab.com/content/7/1/20 Page 2 of 8 of the published data. However, an accurate estimate of the rates of occurrence ... patients: effect of visual image trans- formation and visual stimulation by using a head mounted display system (HMD) Journal of NeuroEngineering and Rehabilitation 2010, 7:20 JNER JOURNAL OF NEUROENGINEERING ... cited. Research A case study of new assessment and training of unilateral spatial neglect in stroke patients: effect of visual image transformation and visual stimulation by using a head mounted display...
Ngày tải lên: 19/06/2014, 08:20
báo cáo hóa học: " Effect of predictive sign of acceleration on heart rate variability in passive translation situation: preliminary evidence using visual and vestibular stimuli in VR " ppt
... rest of the experiment. All of the other subjects completed the observation and almost none of them reported a feeling of motion sickness. Two of the 21 subjects reported the lowest degree of nausea ... degree of headache once in the second stage of the experiment. The observation condi- tions were different for each of those three subjects. Effect of observation conditions on overall activity of ... gradual representation of events corresponding to the quantity of acceleration in the design of more effective signs, seems to be important. Conclusion We reported on the effects of visual signs that...
Ngày tải lên: 19/06/2014, 10:20
Báo cáo hóa học: "Research Article The Effect of Cooperation on Localization Systems Using UWB Experimental Data" doc
... both cases. The effect of cooperation on localization is investigated in Figures 8, 9,and10. Figure 8 presents the RMSE as a function of the number of iterations N iter of the iterative LS algorithm ... pages doi:10.1155/2008/513873 Research Article The Effect of Cooperation on Localization Systems Using UWB Experimental Data Davide Dardari, 1 Andrea Conti, 2 Jaime Lien, 3 and Moe Z. Win 4 1 WiLAB, University of Bologna, Viale ... the position of the target. Using measurements in a real indoor scenario, we investigate how the localization accuracy is affected by the number of beacons and by the availability of priori information...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Effect of Growth Temperature on Bamboo-shaped Carbon–Nitrogen (C–N) Nanotubes Synthesized Using Ferrocene Acetonitrile Precursor" pot
... amount of shifts correlated to the density of bamboo compartment and consequently to the percentage of N content (or the con- centration of defects). The above Raman results show that the degree of ... the FWHM of G-band is more influenced by growth temper- ature than that of the D-band. Their width variations may be taken as a measure of the degree of the disorder (or the concentration of defects). ... Raman spectra of C–N nanotubes at different growth temperatures; a 850 °C, b 900 °C, and c 950 °C recorded using 514.5 nm line of Ar-ion laser Fig. 6 Variation of Raman intensity ratio of D and G...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo nghiên cứu khoa học: " EFFECT OF INITIAL SULFUR DIOXIDE CONTENT IN MUST ON THE KINETICS OF WINE PRIMARY FERMENTATION, USING YEAST IMMOBILIZED IN CALCIUM ALGINATE GEL" pptx
... Zealand Wine Industry Journal , Vol. 3, pp57-60 (1988) [4]. Helrich K. Official methods of analysis of the Association of Official Analytical Chemists , AOAC Inc., Virginia (1992) [5]. Kourkoutasa, ... Analysis of variances TẠP CHÍ PHÁT TRIỂN KH&CN, TẬP 11, SỐ 09 - 2008 Trang 83 EFFECT OF INITIAL SULFUR DIOXIDE CONTENT IN MUST ON THE KINETICS OF WINE PRIMARY FERMENTATION, USING YEAST ... 377-397 (2004) [6]. Melzoch, Y., Rychtera, M, Effect of immobilization upon the properties and behavior of Saccharomyces cerevisiae cells, Journal of Biotechnology, Vol. 32, pp. 59-65 (1994)...
Ngày tải lên: 22/07/2014, 03:20
Báo cáo sinh học: "Environmental stresses can alleviate the average deleterious effect of mutationsi" pot
... the effect of deleterious mutations. Conclusions: Our results show a qualitative difference between various environmental stresses ranging from alleviation to aggravation of the average effect of ... existence of stresses that are biased towards alleviation of the effects of mutations may imply the existence of average epistatic interactions between mutations. The results thus offer a connection ... maintenance of genetic variability and extinction of small populations [1-3]. In general, the effect BioMed Central Journal of Biology Journal of Biology 2003, 2:14 Published: 29 May 2003 Journal of Biology...
Ngày tải lên: 06/08/2014, 18:20
Scientific report: "The potential energy recovery from landfills and evaluate the environmental benefits of the generation system using gas from landfills in Nam Son landfill, Vietnam" docx
... Department of Environmental Technology, Faculty of Natural Resource and Environment, Hanoi Agricultural University, Trau Quy, Gia Lam, Hanoi 2 Graduate School of Frontier Sciences, Institute of Environmental ... 1. The results of sample analysis are shown in Table 1. These results are not so different due to a stable component of waste and the time of refuse of each cell. The result of analyzing samples ... and environmental evaluation 73 Figure 1. Composition of Municipal Solid Waste Table 1. Results of LFG sample analysis at NS landfill Microclimate Location of sampling No of Sample...
Ngày tải lên: 06/08/2014, 18:22