describe the effect of environmental pollution on living things

Ngày tải lên: 05/09/2013, 14:58

Ngày tải lên: 05/09/2013, 16:10

Ngày tải lên: 05/09/2013, 16:11

... 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...

Ngày tải lên: 18/01/2014, 07:20

... performed only on the observations whose propensity score belongs to the intersection of the supports of the propensity score of treated and controls. Imposing the common support condition in the estimation ... wedlock. 2 If the characteristics of the parents and their relationship that determine the risk of union dissolution also affect child wellbeing, then estimates of the effect of separation on child ... between the treated and control groups: β OLS = E[C i (1)|S i = 1] −E[C i (0)|S i = 0]. The ATE is the average of the treatment effect on the treated and the treatment effect on the controls....

Ngày tải lên: 12/02/2014, 11:20

... part of several tens percent of H C 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 Co 2+ ion concentration yields the monotonic increase of M S , H C . Magnetic measurements show the studied system ... temperature.These plots show that an increase in Co 2+ doping yields monotonic increase in the saturation magnetization of Ni- ferrite which may be due to the substitution of Ni 2+ ions by Co 2+ on the...

Ngày tải lên: 13/02/2014, 04:20

... 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,...

Ngày tải lên: 20/02/2014, 22:20

... of trifluoroethanol on the conformation of RNase A with particular consideration of the pretransition region of global unfolding. 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 tertiary structure 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...

Ngày tải lên: 22/02/2014, 07:20

... believe that they will act on the interest of the company. On the other hand, it is not easy to mediate these relationships. If there is not any mechanism to reconcile these complex relationships, ... the effectiveness and awareness of monetary policies in the workplace. The second objective is obtained from the questionnaire. The research will give the common test about the application of ... this was the premise of the appearance of the term “motivation” and then it has rapidly become one of the most common concepts in everyday language. Nowadays, it is a concerning issue of almost...

Ngày tải lên: 13/03/2014, 14:20

... growth process, anditsimpact on the land‐usedistributionin the northernpart of HoChiMinhCity. Keywords:Agriculturalland;GIS;Remotesensing;Suburban;Urbanexpansion. 1.Introduction *  Over the world, the cities cover only about one percent of the earth’s surface, but most of the issues happening in the cities greatlyimpact on the environmentandglobal change ... district boundary,major roads. 4.Resultsanddiscusions 4.1.Urbanexpansionduring the period of 1989‐2002 The research results showed that population explosion was the main cause of urban expansion. Ho Chi Minh City is the biggest ... situation. In addition, the city sometimes has not controlled unplanned constructions and urban encroaching expansion on suburban agricultural land in the northernpart.Therefore, the studyareais focused...

Ngày tải lên: 14/03/2014, 15:20

Ngày tải lên: 15/03/2014, 16:20

... and the spectral shape are determined by the concentration ratio of these two components while the PL intensity is determined by 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 PL Now we can explain the spectral change of the PL from ... their amount. 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...

Ngày tải lên: 16/03/2014, 15:31

... scenarios of reduction of air pollution levels, or in the assessment of new air quality directives, or in projects aiming at calculating the external monetary costs of air pollution or the benefits of ... exposure in the target population, the estimates of the epidemiology exposure-response function and the observed baseline frequency of the health outcome in the population. The uncertainties in the data ... on a routine basis for decision making and evaluating the economic consequences of the impact of air pollution on health 42-45 . The key value of APHEIS lies in serving as a bridge between the...

Ngày tải lên: 23/03/2014, 00:20

... HAMP-domain which is part of the region connecting the membrane anchor to the catalytic domain (CHD). Secondary structure prediction suggested that the second amphipathic helix of the HAMP domain is C-terminally ... partially interacted with the hydrophilic surfaces of the HAMP helices. Finally, we wished to characterize the effect of the HAMP domains in the context of the membranous holoenzymes. Therefore we attempted ... the pathogen under changing environmental conditions in the host. The AC activities of these class IIIb CHDs are two orders of magnitude lower than those published for the CHDs of the mycobacterial ACs...

Ngày tải lên: 23/03/2014, 12:20

... drawn on the basis of the proportion of total population in the selected villages. Keeping in view of the nature of the problem, social and environmental situation and the objectives of the ... belt once boasted of the second largest beach and one of the second longest beaches and one of the finest coastal stretches in the world. Now this coast is turning out to be the one of the ... 1998). The environmental degradation of the Ennore Creek is structurally different from the problem of pollution of the metropolitan city of Chennai. This narrow creek is one among the most...

Ngày tải lên: 29/03/2014, 21:20

... based on one of three regression methods: robust regression, non- negative least squares, or canonical correlation. The regressions are calculated based on a collection of linguistic and content ... significance, the pattern of im- provement is fairly consistent. 5 Conclusions We investigated the consistency of human assessors in the area of summarization evaluation. We con- sidered two ways of measuring ... measuring assessor consistency, depending on the metric, and studied the impact of consistent scoring on ranking summarization sys- tems and on the performance of automatic evalu- ation systems. We...

Ngày tải lên: 30/03/2014, 17:20

... influence of ultimate strength (Su) on the fatigue strength of a steel butt weld at 106 cycles. (8) 473 A comparison of the experimental results and predictions of the effects of ... predict the effect of shot peening on the fatigue life of a weld. The total fatigue life of a weld was considered to be composed of a crack initiation and crack propagation period. ... stresses and the material properties of the peened surface were considered in the estimation of the crack initiation life but not in the crack propagation life. The shot-peened...

Ngày tải lên: 24/05/2014, 20:36

... clients of Second-Tier audit firms is compared to the cost of capital of Big-audit firms in terms of the expected effect of the level of audit quality provided on the cost of capital. The cost of ... components: one component is the cost of debt, and the second component is the cost of equity. The results show that clients of Second-Tier audit firms incur cost of debt that is higher than the ... assumptions 7 Two measures of auditor concentration are commonly used. These are the concentration ratio and the Hirschman-Herfindahl Index (HHI). The concentration ratio is the percentage of...

Ngày tải lên: 03/06/2014, 02:15

Ngày tải lên: 19/06/2014, 08:20