on the limitations and relevance of developmental theory statistics and methods

... 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 ... important consideration of the work Once the groundwork is laid, in Propositions 1–22, the second half of the work is less constrained by strong deductive relations, one result leading to the next: the ... call the figure internally contained by the surface of the cone, and by the surface of the sphere inside the cone, a “solid sector.” /6/ And when two cones having the same base have the vertices on...

Ngày tải lên: 21/09/2012, 11:00

... shows the variation of global solar radiation and the ambient temperature for the months of July to December The maximum radiation occurs in the month of March of 955.56 W/m2 at 13:00 and minimum ... and also because of the absence of non-condensable gases heat transfer by radiation and natural convection are limited Thus, heat transfer between the hot saline water bed and the condensation ... collector and the outlet of the second collector will be inlet to the next and so on up to the Ncth collector Thus, the outlet temperature of the last collector is taken as the oulet temperature of the...

Ngày tải lên: 05/09/2013, 16:11

... 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 and ... 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 ... 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 should...

Ngày tải lên: 15/12/2013, 00:15

... vary considerably according to the culture conditions For example the effect of the composition of the culture medium on the proximate composition of various species of micro-algae is demonstrated ... disadvantage is the need to prevent contamination during the initial inoculation and early growth period Because the density of the desired phytoplankton is low and the concentration of nutrients ... 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...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... 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 ... not only has a regulating effect on the microflora but also increases the production rate of the rotifers For stable rotifer cultures, the microflora as well as the physiological condition of the...

Ngày tải lên: 15/12/2013, 00:15

... 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, ... Inoculation experiments in natural habitats therefore require prior screening of candidate strains and of eventual local populations, as well as the study of prevailing environmental conditions Uncontrolled ... result of long-term adaptations of the strain to the local conditions; see chapter 4.1.2.4) 4.1.2.4 Strain-specific characteristics INTRODUCTION While the nutritional value can be manipulated, other...

Ngày tải lên: 15/12/2013, 00:15

... 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 of ... release over 80% of their cellular water, and upon interruption of the aeration, the now coffeebean shaped decapsulated cysts settle out After harvesting of these cysts on a mesh screen they should ... reduced by disinfection of the cysts prior to hatching incubation and/ or by the addition of a few drops of a non-toxic antifoaming agent (e.g silicone antifoam) The temperature of the seawater is...

Ngày tải lên: 15/12/2013, 00:15

... understood 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 ... (use 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 to 10 min.) in the point of the conical ... 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...

Ngày tải lên: 15/12/2013, 00:15

... 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 ... 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...

Ngày tải lên: 15/12/2013, 00:15

... analysis of the algae samples is recommended Algae composition does not only influence growth and reproduction of the Artemia, but also has an effect on the nutritional value of the biomass and the ... 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 ... usually depends on the availability of high saline water and is often limited to certain periods of the year Management of these ponds is similar to the management of the Artemia ponds in artisanal...

Ngày tải lên: 15/12/2013, 00:15

... 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 of the ... 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 rather than anything else The effectiveness of filtering ... 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 100...

Ngày tải lên: 15/12/2013, 00:15

... population after unfavourable seasonal conditions 6.1.2 Nutritional value of Daphnia The nutritional value of Daphnia depends strongly on the chemical composition of their food source However, since ... 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 ... 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,...

Ngày tải lên: 15/12/2013, 00:15

... Introduction B Body of the essay C Conclusion A Form the introduction: - restate the question, and - write the thesis by: - answering the question, and - giving at least reasons why First you restate the ... an outline of the essay; - then develop the body of the essay using the reasons given, and -finally, write the conclusion Practice Writing Sessions Before you begin: - Relax and feel confident ... These three reasons will form the body of the essay: - they can learn about responsibility, - they can learn the value of money, - they can learn how to work as a member of a team B Body of the...

Ngày tải lên: 23/01/2014, 06:20

... 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 ... regionally variable and partially-offsetting, effects of BC on absorption and reflection of sunlight, reflectivity of clouds, and the strength of lower tropospheric convection (Wang, 2004) These ... reduce the warming induced by the capping of SOx Note that these climate calculations in Figure omit the cooling effects of the CO2 reductions caused by the lessening of the inhibition of the land...

Ngày tải lên: 17/02/2014, 22:20

... contradictory to the conclusions of the Final Document of the Moscow Meeting of the Conference on the Human Dimension of the CSCE and in breach of Article 19 of the International Covenant on Civil and Political ... expression and freedom of the media across the OSCE region Second, the study assesses the impact these regulations and practices have on the free flow of information and the freedom of expression on ... provisions on net neutrality may be adopted in the context of the revision of Portuguese legislation in the scope of the transposition of the European Union directives on electronic communications...

Ngày tải lên: 18/02/2014, 00:20

... 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 ... areas, or parts thereof, aimed at the prevention, control and reduction of transboundary impact and aimed at the protection of the environment of transboundary waters or the environment influenced ... 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

... national standards for environmental quality” and “national standards for the discharge of pollutants” as well as a monitoring system.32 B The Law on Prevention and Control of Water Pollution and ... protection.35 In addition to the LPCWP, polluting industries are subject to a variety of rules and regulations Nationally, these include the Implementing Rules on the Law on the Prevention and Control ... standards for items not covered by the WEQ standards and must report their standards to the State Council.80 Using the WEQ standards and the country’s economic and technological conditions, the...

Ngày tải lên: 18/02/2014, 04:20

... unoxidized conformation Oxidation of the catalytic cysteine decreased the contacts made to the cysteine Sc but resulted in the formation of 17 additional interactions with the oxygens of the cysteine ... charge of )6 based on the pKa values for InsP6 [30] The ionic strength P was calculated using the equation I = ½ ciZi2, where I is the ionic strength of the solution, and ci and Zi are the concentration ... Od2 of the oxidized cysteine To further understand the structural consequences of the P-loop transition that occurs upon oxidation, the program contact [17] was used to compare all the contacts...

Ngày tải lên: 18/02/2014, 18:20