the effect of noise pollution on the environment
The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films
... and the spectralshape are determined by the concentration ratio of thesetwo components while the PL intensity is determinedby the concentrations of these two components and the density of nonradiative ... the concentrations of these two components at the corre-sponding annealing temperature and time.4.2. The annealing conditions dependence of the red PLNow we can explain the spectral change of the PLfrom ... theiramount. The actual PL is determined by both the concentrations of PL centers and of nonradiative recom-bination centers. This leads to the much strong enhance-ment of PL in the case of...
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Báo cáo khoa học: "On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora." doc
... intervals for the observed performances did allow us to do so. 6 Discussion The presented analysis of the effects of noise in the test corpus on the evaluation of POS taggers leads us to conclude ... better than another using noisy test corpus, there are reasonable chances that they are in fact very similar but one of them is just adapting better than the other to the noise in the corpus. ... extracted from the same corpus, they will prob- ably contain the same kind of errors in the same kind of situations. This may cause the training procedure to learn the errors -especially if they are...
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THE INFLUENCE OF HUMAN ACTIVIES ON THE ENVIRONMENT
... carbon dioxide, sulphur dioxide and other greenhouse gases•carbon dioxide traps heat in the atmosphere and causes the temperature of the earth to rise.•This leads to disruption of the ... dramatic rise in the human populationThis increase in population size leads to an increase in pollution and higher demand for the world’s resourcesThis causes several problems1. Burning the timber ... Burning the timber increases the level of carbon dioxide in the air2. Less trees means less carbon dioxide absorbed for photosynthesis3. Soil is eroded as it is exposed to the wind and rain4....
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Tài liệu The effect of economic growth on my city pdf
... Hai_Trung-Anh strongly, and many buildings and big houses are grown up a lot.Morever, the growth of economy has given a lot of advantages by making people richer, healther, and freer to enjoy their lives.I ... of advantages by making people richer, healther, and freer to enjoy their lives.I always pride of my city whenever I talk about him.I wished that could work at my hometown after finishing at...
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Tài liệu The Influence of Human Activity on the Environment ppt
... This leads to disruption of the weather patterns eg drought, floods• Some weeds may thrive on the extra carbon dioxide while other plants are killedBiological Control of Pests• This means ... from the water• This means the fish suffocate and die• This process is called Eutrophication• Raw sewage pumped into rivers has the same effect The Influence of Human Activity on the Environment Benefits ... cars and power stations produces carbon dioxide, sulphur dioxide and other greenhouse gases• carbon dioxide traps heat in the atmosphere and causes the temperature of the earth to rise.•...
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Tài liệu New Estimates on the Effect of Parental Separation on Child Health ppt
... performed only on the observations whose propensity score belongs to the intersection of the supports of the propensity score of treated andcontrols. Imposing the common support condition in the estimation ... wedlock.2If the characteristics of the parents and their relationship that determine the risk of uniondissolution also affect child wellbeing, then estimates of the effect of separation on child ... between the treated and control groups: βOLS= E[Ci(1)|Si= 1] −E[Ci(0)|Si= 0]. The ATEis the average of the treatment effect on the treated and the treatment effect on the controls....
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss. Thus, the increasing of Co-concentration led to the increasing of anisotropy property of ... X-ray diffraction study shows the presence of cubic spinel. The increase of Co2+ ion concentration yields the monotonic increase of MS, HC. Magnetic measurements show the studied system ... temperature.These plots show that an increase in Co2+ doping yields monotonic increase in the saturation magnetization of Ni-ferrite which may be due to the substitution of Ni2+ ions by Co2+ on the...
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Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt
... for their attentional content. (3) The specific attentional consequences of each 291 The Effect of Pitch Accenting on Pronoun Referent Resolution Janet Cahn Massachusetts Institute of Technology ... effect is attentional, on the order of items in Cf; (2) the obligation to accent a pronominal for attentional r~asons depends on the variance between what the text predicts and what the speaker ... also consider the way intonation affects the interpretation of a sentence, especially the cases in which it alters the predictions of centering theories. I investigate this via a phenomenon that,...
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Tài liệu Báo cáo Y học: Dissecting the effect of trifluoroethanol on ribonuclease A Subtle structural changes detected by nonspecific proteases ppt
... of trifluoroethanol on the conformation of RNase A withparticular consideration of the pretransition region of globalunfolding.In correspondence to reports by other authors [16,30,31],CD spectra in the near-UV ... the content of secondary structure only after the disruption of the native tertiary structure of RNase A(Figs 2–4). Interestingly, the preservation of the tertiarystructure coincides with the ... 5A.Quantification of the proteolytic susceptibility of RNase A. To gain further insight into the changes of the proteolytic susceptibility of RNase A as a function of trifluoroethanol concentration, the...
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Báo cáo khoa học: Protein stabilization by compatible solutes Effect of diglycerol phosphate on the dynamics of Desulfovibrio gigas rubredoxin studied by NMR docx
... denaturingreaction would be an effective stabilizer.This leads us to consider the possible effects of soluteaddition on the activation energy of the denaturing processand we look to the results of the ... motions,which is in agreement with the reduction in the slower amideexchange rates. Taking the results of the two sets of experiments together, and in view of the strong stabilizing effect the ... a final concentration of 4mM.In one sample, DGP (potassium salt) was added to a finalconcentration of 100 mM, while in the other sample KClwas added to the same concentration. The pH was...
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- the effect of noise pollution on our health and wellbeing
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- give detailed account of the effect of water pollution on the environment and human health
- the effect of noise pollution on animals
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