...
carbon dioxide, sulphur dioxide and other greenhouse
gases
•
carbon dioxide traps heat in
the atmosphere and causes
the temperature ofthe earth
to rise.
•
This leads to disruption of
the ... 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. ... The Influence of Human Activity onthe
Environment
Develop alternative energy sources
•
Conserve our rapidly
diminishing fossil fuel
reserves...
... 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 onthe 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 ofthe
earth to rise.
•...
... 12B. The effect ofthe presence of the
adenylates onthe ability of POR-PChlide
640
to undergo
photoconversion was checked by comparing the efficiency
of photoconversion of PLB samples containing ... during the course of prepar-
ation cannot be excluded, but that still leaves unanswered
the question of how the addition of micromolar concentra-
tions of NADPH suffice to drive the conversion of ... disaggregation, removes these constraints
destabilizing the cubic phase, resulting in the relaxation
of the membrane into the planar configuration characteris-
tic ofthe prothylakoid region ofthe etioplast...
... substitutions imposed on the
backbone conformation of WT* shows that the pattern of
P37
P38
P19
W45
Fig. 1. Ribbon structure modelled onthe X-ray structure of human
ubiquitin [32]. The position and ... solution of native protein was
unfolded by a 1 : 10 dilution to yield final concentrations
of GdmCl near or above the midpoint ofthe equilibrium
unfolding transition (concentrations of GdmCl in the
range ... that the reduction in stability of these
mutants is largely manifested in perturbations to the
unfolding rates with the degree of compactness of the
TSE (a
D
) and linearity ofthe chevron plots...
... Based on Metropolitan Transportation Commission (MTC) data
i
The Effectsof Land Use onthe Mobility of Elderly and Disabled and Their Homecare
Workers, and theEffectsof Care on Client ... providers, and the extent
of care consumers received. The six interrelated hypotheses predicted that, given the
income constraints of both populations and the disability constraints ofthe consumer ...
40
In terms of language, about 5% of consumer and provider respondents used the
Spanish version ofthe survey, while 7.4% of Contra Costa IHSS consumers consider
Spanish to be their primary...
... assayed by varying the concen-
tration of Tm in the presence of constant concentration of
F-actin and myosin S1. In this condition, Tm inh ibits the
ATPase activity as its concentration increases [33]. ... stability ofthe protein as a whole, rather
than onthe position ofthe mutation in the polypeptide chain,
as demonstrated by the biophysical assays. Our studies h ave
provided additional contributions ... f the mutant Tms.
The mutations d id not affect the structure ofthe protein
as there was no significant alteration in the f unction or in the
amount of th e s econdary s tructure. However, the...
... lattice constant and volume of unit cell increase with Zn content
in the samples due to larger ionic radius of Zn
2+
ion (0.82 Å) substituted for Ni
2+
ion (0.78 Å).
The X-ray density, the real ...
Exchange interactions between magnetic ions through oxygen ion are superexchange interaction
with antiferromagnetic nature. These interactions depend on bond distance and bond length. Normally ... each other below the freezing temperature T
f
indicating the
onset of blocking of clusters. The sample settles into the frozen state below temperature T
f
. This
behavior is attributed to the...
... when
ammonium salts were used as the nitrogen source, the pH
decreased during the mycelium growth as the result of
assimilation ofthe ammonium ion and the attendant
effects of acids anions in the ... corre-
sponding to a higher dry mycelium concentration.
The formation of pellets is largely determined by the
extent of agitation and aeration. The effect of aeration on
the growth of mushroom ... mycelia.
3.3
Effect of surface aeration
The effectsofthe surface aeration were investigated by
varying the volume of ¯ask so that the ratio ofthe surface
area ofthe liquid exposed to air to the liquid...
... Hausdorff
drafted the manuscript. All authors helped with the inter-
pretation ofthe results, reviewed the manuscript and par-
ticipated in the editing ofthe final version of the
manuscript.
Acknowledgements
We ... effectsof blurring vision in the elderly. Invest Oph-
thalmol Vis Sci 2004, 45:2122-2128.
11. Perry SD, Santos LC, Patla AE: Contribution of vision and cuta-
neous sensation to the control of ... examined the effect of lighting changes on
the gait of older adults with a HLGD and compared their
response to that of healthy elderly controls. More specifi-
cally, we hypothesized that the response...
... enables the determination of
whether or not the substance is responsible for lung
injury. The decay constant indicates the degree of cytotox-
icity: the greater this value, the smaller the cytotoxicity.
Aizawa ... with L > 20 μm.
The arithmetic mean (SD) ofthe weight concentration
was 100.0 (29.9) mg/m
3
.
In the pathological evaluation, the arithmetic mean (SD)
of the fiber concentration was 390.7 (170.4) ... Chi-
yotani K: Magnetometric evaluation oftheeffectsof gallium
arsenide onthe clearance and relaxation of iron particles.
Ind Health 1993, 31:143-153.
Journal of Occupational Medicine and Toxicology...
... [30]. The
HW-PLDenablesthesynthesisofoxideNWswhile
controlling the doping concentration feature. The dop-
ing could be controlled by adjusting the target co mposi-
tion since it guarantees the ... Nanoelectronics, School of Engineering, University of
Science and Technology, 52 Eoeun dong, Yuseong-gu, Daejeon 305-333,
Republic of Korea
Full list of author information is available at the end ofthe ... NWs
with low E
a
of 5.18 meV have a good condition for mak-
ing Ag-doped ZnO NWs. These results demonstrate
that the E
a
of SZ O NWs is very sensitive depending on
the concentration of Ag elements.
Acknowledgements
This...
...
ions substituting the Ti ions (at the B site). Therefore, substitution ofthe Ni ions at the
B site may result in breaking the long-range ordering, resulting in a reduction ofthe
ferroelectric ... transition ofthe samples. From Figure 4, the
increase of loss tangent with NiO content implies a higher electrical conductivity of
the composites. However, the highest loss tangent in the present ...
Authors' contributions
PJ carried out the experiments, analysis, and writing ofthe manuscript. SE, KP, and
TT participated in the conception and design ofthe study. DPC and GR revised the
manuscript...
... hydrocarbon in the
vulcanisate, whilst a and b are constants. The higher the Q
f
/Q
g
values, the lower
the extent ofthe interaction between the filler and the matrix.
2.5 Measurement of Tensile ... amounts of organoclay. The improvements ofthe thermal
stabilities of a polymer by hybridising organoclay was due to the layered silicates
of organoclay that make the path longer for the thermally ... ENR 50 will reduce the formation of intermolecular
sulphide links. This will increase the efficiency ofthe vulcanisation process of
ENR, which results in the higher values ofthe minimum and...
... mouths were
opened onthe top ofthe layer, while the tubes were closed by the presence of a layer of
titania onthe bottom ofthe structure. Here in, we discuss the influence of different
electrolyte ... open onthe top [Fig. (6b)] ofthe layer, while the tubes were closed by the
presence of a layer of titania onthe bottom ofthe structure [Fig. (6c)].
Figure 6: FESEM micrograph of (a) ... nanotubes are of interest due to their one-
dimensional (1D) nature, ease of handling and simple preparation. Not only can
the band gap ofthe material be altered due to the quantum confinement...