on the design and development of program families
Tài liệu MIT Joint Program on the Science and Policy of Global Change: Effects of Air Pollution Control on Climate pdf
Ngày tải lên :
17/02/2014, 22:20
... to
consider carefully the connections between the chemistry of the atmosphere and climate. These
connections are complex and their nonlinearity is exemplified by the fact that concentrations of
ozone ... Description and Validation of the MIT Version of the GISS 2D Model Sokolov & Stone June 1995
3. Responses of Primary Production and Carbon Storage to Changes in Climate and Atmospheric CO
2
Concentration ... gas). Consideration of these
effects, which may be very important, will require calculation in the EPPA model of the impacts
of NO
x
, CO, VOC and SO
x
emission reductions on the cost of using...
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The Design and Implementation of a Log-Structured File System
Ngày tải lên :
12/09/2012, 15:05
... of how much of
the live blocks they occupy on disk and in terms of how
much of the data written to the log they represent. More
than 99% of the live data on disk consists of file data
blocks and ... greedy
cleaner.
These figures show distributions of segment utilizations of the
disk during the simulation. The distribution is computed by
measuring the utilizations of all segments on the disk at the points
during ... side of the figure shows the copying scheme where log space is generated by reading the section of disk after the
end of the log and rewriting the active blocks of that section along with the new...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
Ngày tải lên :
15/12/2013, 00:15
... impact on the microbial populations in the associated culture medium and
eventually in the fish/shrimp’s gut flora, and consequently on the health status and the
digestive capability of the larva ... permission of the copyright owner.
Applications for such permission, with a statement of the purpose and extent of the
reproduction, should be addressed to the Director, Information Division, Food ... based on a number of criteria (Fig.
1.5.). Most of the criteria as identified from the viewpoint of the larva have already been
discussed above with the exception of the criterion ‘purity’. One...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
Ngày tải lên :
15/12/2013, 00:15
... growth depends
upon the species and culture conditions of the algae making up the diet, and the bivalve
culture conditions. Under practical hatchery conditions, high food rations are often fed,
which ...
rate and in this way the growth rate and not the cell density is kept constant.
Laing (1991) described the construction and operation of a 40 l continuous system
suitable for the culture of flagellates, ... between the culture medium and
the air. The latter is of primary importance as the air contains the carbon source for
photosynthesis in the form of carbon dioxide. For very dense cultures, the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
Ngày tải lên :
15/12/2013, 00:15
...
generations of offspring before they eventually die. The reproduction activity of
Brachionus depends on the temperature of the environment as illustrated in Table 3.1.
The life cycle of Brachionus ... called the
lorica. The shape of the lorica and the profile of the spines and ornaments allow the
determination of the different species and morphotypes (see 3.4.). The rotifer’s body is
differentiated ... consisting of the head, trunk and foot (Fig. 3.1.).
The head carries the rotatory organ or corona which is easily recognized by its annular
ciliation and which is at the origin of the name of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
Ngày tải lên :
15/12/2013, 00:15
... determining the population growth rate, and the
rate of colonisation of new environments with limited nutrient resources. Consequently,
if environmental preferences and nutritional factors don’t interfere, ... North America and seemed
to be unlimited. However, with the expansion of aquaculture production in the 1970’s,
the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, ... E.J., and Thomas, K.M. 1994. Genetic variation in Artemia:
speciation, reproductive mode and potential for exploitation. In: Book of abstracts of
contributions presented at the International Conference...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
Ngày tải lên :
15/12/2013, 00:15
...
over 80% of their cellular water, and upon interruption of the aeration, the now coffee-
bean shaped decapsulated cysts settle out. After harvesting of these cysts on a mesh
screen they should ... mg.l
-1
. The optimal aeration rate is a function of the tank size and the
density of cysts incubated. Excessive foaming can be reduced by disinfection of the cysts
prior to hatching incubation and/ or ... determined by the conditions and techniques applied for harvesting,
cleaning, drying and storing of the cyst material. The impact of most of these processes
can be related to effects of dehydration or...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
Ngày tải lên :
15/12/2013, 00:15
...
and may be satisfied through the consumption of seawater, the main concern regarding
the mineral composition of Artemia is whether they meet the requirements of fish or
crustacean larvae reared ... enhanced the survival of P. monodon PL-15 and
the osmotic resistance of PL-10. This has recently been confirmed with the production
characteristics of P. monodon PL-10 and PL-20 being significantly ... of cover) and focusing a light source on the
transparent conical part of the bottom. Nauplii should not be allowed to settle for too long
(i.e., maximum 5 to 10 min.) in the point of the conical...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
Ngày tải lên :
15/12/2013, 00:15
... and highest production capacities. Application of an
that takes profit of the specific aspects of ongrown Artemia: instead of adding the
enrichment emulsion at the end of the culture, it is ...
colonies fix on the exoskeleton, by preference on the thoracopods, and become only
visible from the instar V/VI-stage onwards. The brine shrimp suffer physically, as the
movements of their ... advantage of
the surface respiration behaviour of the animals. When the aeration in the culture tank
together with the flow-through and the automatic feeding are interrupted, oxygen levels
in the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
Ngày tải lên :
15/12/2013, 00:15
... blooms are common, not the least because of the increase of nutrient
concentration with evaporation. The presence of algae in low salinity ponds is beneficial,
as they color the water and thus assure ... leakage is one
of the most common problems in fish/shrimp farms and even in large salt works
construction of a small pilot unit at the selected site, prior to embarking on the
construction of large ...
Furthermore, accumulations of dying algae which turn black when oxidized, may also
contaminate the salt and be the reason for the production of small salt crystals. In extreme
situations the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
Ngày tải lên :
15/12/2013, 00:15
... frame of the plankton net may be fixed to
the pond gates. The amount of zooplankton collected depends on the zooplankton
concentration in the water flowing out of the reservoir and on the volume ... However, one should be aware that the greater the surface area of the net the
more effective and rapid the filtration. Hence, the upper limit of the dimensions of the
nets depends on the ease of handling ... along
distribution pipes to the place of consumption, the normal practise is to concentrate and
transport the harvested zooplankton in 50 l containers. Under these conditions the
survival of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
Ngày tải lên :
15/12/2013, 00:15
... animals, lower temperatures and short photoperiods. These conditions
are generally obtained with aging populations at the end of the season. Collection of the
ephippia from the wild can be carried ... resulting in anoxic conditions and consequently in high mortalities and/ or
ephippial production.
6.1.4.3. Autotrophic system
Autotrophic systems on the other hand use the addition of cultured algae. ... particles from the water. The efficiency of the filter allows even the uptake of bacteria
(approx. 1µm). In a study on the food quality of freshwater phytoplankton for the
production of cladocerans,...
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- the design and development
- on the evaluation and comparison of taggers
- support the design and development of an information system
- the design and development of
- the design and development of pegfilgrastim pegrmethugcsf neulasta
- the design and development of pegfilgrastim
- the design and development of a solar powered refrigerator
- design and development of the training program
- design and development of the product
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- nội dung cụ thể cho từng kĩ năng ở từng cấp độ
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