... understanding, not that we focus on the expressions of things as static isolated items Note the close connections between aesthetics on the one hand ACM Transactions on Computer-Human Interaction, ... open—to this, one might balance the tube in the palm of one’s hand The tube is connected when both ends are open—to this, one might balance the tube on the tip of one of one’s fingers The tube is ... Evaluation then turns into aesthetics: to understand the logic of an expression on the basis of understanding the material that builds the expression We may think of an expression as the presentation...
Ngày tải lên: 07/03/2014, 17:20
... 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 ... The cultivation of fish and shellfish larvae under controlled hatchery conditions requires not only the development of specific culture techniques, but in most cases also the production and use ... Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and Agriculture Organization of the...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... 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, ... zooplankton, or bacteria Sterilization of the seawater by either physical (filtration, autoclaving, pasteurization, UV irradiation) or chemical methods (chlorination, acidification, ozonization) is therefore ... (right) A common source of contamination is the condensation in the airlines which harbor ciliates For this reason, airlines should be kept dry and both the air and the carbon dioxide should be filtered...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... tract of the rotifers are killed as well The concentration of the disinfection products differs according to their toxicity and the initial condition of the rotifers Orientating concentrations for ... division The epidermis contains a densely packed layer of keratin-like proteins and is called the lorica The shape of the lorica and the profile of the spines and ornaments allow the determination ... Ammonia (NH3) The NH3/NH4+ ratio is influenced by the temperature and the pH of the water High levels of un-ionized ammonia are toxic for rotifers but rearing conditions with NH3concentrations...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... 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, ... cannot migrate from one saline biotope to another via the seas, as they depend on their physiological adaptations to high salinity to avoid predation and competition with other filter feeders ... with a distinct wet and dry season (monsoon climate), through inoculation in seasonal salt operations (e.g Central America, Southeast Asia) Figure 4.1.15 The world distribution of Artemia Table...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... solution for min.; if the effect is below expectation, the dose should be modified (raised or lowered) by altering the concentration and/ or the incubation time; solutions in the range to 10% and ... start and consequent development of the population shortly after the re-establishment of favorable environmental conditions This allows effective colonization in temporal biotopes For the user ... starts from a 60% water content onwards, provided environmental conditions are favourable (see further) The aerobic metabolism in the cyst embryo assures the conversion of the carbohydrate reserve...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... standard enrichment practices The reason for not attaining the same ratio is the inherent catabolism of DHA upon enrichment within the most commonly used Artemia species (i.e A franciscana) The ... since the requirements of the larvae may not only depend upon their ontogenetic stage but also on their fatty acid reserves from the yolk-sac which may in turn vary with the broodstock diet The ... Kjorsvik, E And Olsen, Y 1992 Improvement of flat fish pigmentation through the use of DHA enriched rotifers and Artemia Poster presentation at the 5th International Symposium on Fish Nutrition and Feeding,...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... installations, on the other hand, there is a significantly higher mortality during the end of the first culture week that can be explained by the deterioration of the water quality, probably because the ... Pond production 4.5.1 Description of the different Artemia habitats 4.5.2 Site selection 4.5.3 Pond adaptation 4.5.4 Pond preparation 4.5.5 Artemia inoculation 4.5.6 Monitoring and managing the ... assimilation: including the quality and quantity of the food offered, the developmental stage of the larvae, and the culture conditions More detailed information concerning these processes are given...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... production is abandoned during the rainy season, when evaporation ponds are often turned into fish/shrimp ponds Although salt production in these salt streets is based on the same chemical and biological ... ponds is difficult and can take more than one month The algae and organic matter created in the low salinity ponds are drained to the high salinity ponds and are there available as food * Conditions ... practically the same depth as the surrounding land and water retained by dikes or levees) will depend on the type of ponds already in use Locating the Artemia ponds lower than all other ponds is...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... 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 ... gates The amount of zooplankton collected depends on the zooplankton concentration in the water flowing out of the reservoir and on the volume of the water leaving the reservoir Again, the nets ... transport the harvested zooplankton in 50 l containers Under these conditions the survival of the zooplankton depends on the amount of oxygen dissolved in the remaining water At a concentration of...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... also the production and use of live food organisms as feed for the developing larvae The present manual reviews and summarizes the latest developments concerning the production and use of the ... in the broodpouch and the larvae are miniature versions of the adults In some cases the embryonic period does not correspond with the brood period, and this means that the larvae are held in the ... systems on the other hand use the addition of cultured algae Green water cultures (105 to 106 cells.ml-1) obtained from fish pond effluents are frequently used but these systems show much variation...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc
... substances, on the one hand, and the potential transboundary impact, on the other hand; (b) The polluter-pays principle, by virtue of which costs of pollution prevention, control and reduction measures ... information and education to the public and to users about the environmental consequences of the choice of particular activities and products, their use and ultimate disposal; (b) The development and ... including the marine environment The application of this Convention shall not lead to the deterioration of environmental conditions nor lead to increased transboundary impact The provisions of this Convention...
Ngày tải lên: 18/02/2014, 04:20
How Teens Use Media - A Nielsen report on the myths and realities of teen media trends pdf
... compared to 25% of the total population Beyond the television set, teens are increasingly watching video on the “second” and “third” screens of online and mobile, a growth of the video experience ... adults to spend their day with broadband connections and have more time constraints in their day than we often imagine Many consider the teens of today to be the Internet generation: Born roughly ... 1990 and 1996, today’s teens grew up with a mouse in their hands They are portrayed as Digital Natives, perpetually connected, guided by both the opportunities and constraints of worldwide connectivity...
Ngày tải lên: 23/03/2014, 03:20
morewood - 1824 - an essay on the inventions and customs of both ancients and moderns in the use of inebriating liquors
Ngày tải lên: 12/06/2014, 11:29
RESEARCH ETHICS AND CONSENT ON THE COLLECTION AND USE OF HUMAN BIOLOGICAL MATERIALS a SINGAPORE PERSPECTIVE
... as the mode of contribution because they can have complete control over the use and disposal of the HBMs any way they wanted without further consultation or consent from the contributors The ... outright gifts is the total loss of ownership and control of the gifted property by the contributors, as donors The donors have no control or decisional rights over the HBMs once they are donated as ... model of donation is also stated in the Medical Therapy, Education and Research Act (MTERA) The MTERA, however, make provision for the use of only the bodies of deceased persons or parts thereof...
Ngày tải lên: 09/09/2015, 11:33
Cambridge.University.Press.The.Works.of.Archimedes.Volume.1.The.Two.Books.On.the.Sphere.and.the.Cylinder.Translation.and.Commentary.May.2004.pdf
... at the end of the second volume of the second edition: On Polyhedra On the Measure of a Circle On Plynths and Cylinders On Surfaces and Irregular Bodies Mechanics Catoptrics On Sphere-Making On ... distinguishes this clause, on the relation between the volumes, from the next one, on the relation between the surfaces In other words, the cylinder “itself ” is what we call the volume of the cylinder.” ... being taken, the straight between the points either all fall on the same side of the line, or some fall on the same side, and some on the line itself, but none on the other side /3/...
Ngày tải lên: 21/09/2012, 11:00
Eutocius’ Commentary to On the Sphere and the Cylinder I
... lines,” and went on to discuss the expression on the same side” and its application for the definition of “concave in the same direction.” Only the diagram for 245 to t h e d e f i n i t i on s ... clarify at the start of the work those expressions, which he himself used in his own fashion, and the terms of the hypotheses and the hypotheses themselves; and he says first that “there are in ... suffice for their being unequal, but also “when either: one is wholly contained by the other, or a part is contained, and a part it has common” (and the container is then greater than the contained)...
Ngày tải lên: 01/11/2013, 10:20
Eutocius’ Commentary to On the Sphere and the Cylinder II
... a chelonion; upon which, again, an axle); a cylinder on the ruler ; and the third ruler, EZ, with two holes, one mounted on the axle on the ruler AB, the other mounted on the cylinder on the ruler ... (2) therefore also: as the first to the second, so the on the first to the , so the on the second;280 (3) therefore it is: as P to on P to the on K (4) But as the ... on AB, so the on B to the on BE (6) But as the on A to the on AB, so A to AE;242 (7) for as the first to the third, so the on the first to the ...
Ngày tải lên: 01/11/2013, 10:20