the effect of noise pollution on the environment
The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films
Ngày tải lên :
16/03/2014, 15:31
... 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...
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Báo cáo khoa học: "On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora." doc
Ngày tải lên :
08/03/2014, 05:21
... 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
Ngày tải lên :
28/09/2013, 11:10
...
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 population
This increase in population size leads to an increase in
pollution and higher demand for the world’s resources
This causes several problems
1. Burning the timber ... Burning the timber increases the level of
carbon dioxide in the air
2. Less trees means less carbon dioxide
absorbed for photosynthesis
3. Soil is eroded as it is exposed to the wind
and rain
4....
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Tài liệu The effect of economic growth on my city pdf
Ngày tải lên :
18/01/2014, 07:20
... 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
Ngày tải lên :
26/01/2014, 10:20
... This leads to disruption of
the weather patterns eg
drought, floods
• Some weeds may thrive on
the extra carbon dioxide
while other plants are killed
Biological 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
Ngày tải lên :
12/02/2014, 11:20
... 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....
- 40
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Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
Ngày tải lên :
13/02/2014, 04:20
... 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...
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Tài liệu Báo cáo khoa học: "The Effect of Pitch Accenting on Pronoun Referent Resolution" ppt
Ngày tải lên :
20/02/2014, 22:20
... 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,...
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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
Ngày tải lên :
22/02/2014, 07:20
... 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...
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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
Ngày tải lên :
07/03/2014, 21:20
... denaturing
reaction would be an effective stabilizer.
This leads us to consider the possible effects of solute
addition on the activation energy of the denaturing process
and we look to the results of the ... motions,
which is in agreement with the reduction in the slower amide
exchange rates. Taking the results of the two sets of
experiments together, and in view of the strong stabilizing
effect the ... a final concentration of 4m
M
.
In one sample, DGP (potassium salt) was added to a final
concentration of 100 m
M
, while in the other sample KCl
was added to the same concentration. The pH was...
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- the effect of noise pollution on our health and wellbeing
- the effect of noise pollution essay
- what would be the effect of noise pollution on environment
- the effects of noise pollution on living things and environment
- harmful effects of noise pollution on the environment
- negative effects of noise pollution on the environment
- give detailed account of the effect of water pollution on the environment and human health
- the effect of noise pollution on animals
- the effect of noise pollution on health
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