7—use of precast concrete for forms

... seawater formulations used for tank production of Artemia (ing.l-1) For the Dietrich and Kalle formulation, solutions A and B are prepared separately, then mixed and strongly aerated for 24h Dietrich ... rotate for 1/3 submerged at rpm Total effective surface for bacterial growth is 190 m2 which is more than sufficient for the purification of 1800 l of culture water with an organic load of about ... takes profit of the specific aspects of ongrown Artemia: instead of adding the enrichment emulsion at the end of the culture, it is distributed during the culture This way we take advantage of the...

Ngày tải lên: 15/12/2013, 00:15

... retardation of peak time with the increase of the amount of HWCs while there is a slight change of the peak concentration in Andisol (Fig (b)) except for the more pronounced tailing of the BTCs ... reservoir became negligible A volume of 80 cm3 of KNO3 solution was applied to the top of the column to produce a pulse input with an initial concentration of 300 g/m3 of NO3-N Prescribed solute source ... relation between the amount of HWCs and the degree of retardation of nitrate From the practical viewpoint, mixture ratios of HWCs were set to 0%, 5% and 7.5% by weight for both soils As both soils...

Ngày tải lên: 05/09/2013, 10:15

... medium Reactor Efficiency for Total Phosphorus (TP) Removal Fig illustrates the efficiency of the reactors for the removal of TP The highest efficiency for the removal of TP was obtained upon using ... acidification process Therefore, modified bentonite has features for great specific surface, great volume for ion exchange, fine adsorption, and special adsorption for COD The use of reactor IV gives ... Journal of Water and Environment Technology, Vol 9, No.2, 2011 RESULTS AND DISCUSSION Reactor Efficiency for Ammonium Removal Fig illustrates the efficiency of the reactors for the removal of ammonium...

Ngày tải lên: 05/09/2013, 10:17

... prior 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, ... rotifers 3.7 Production and use of resting eggs 3.8 Literature of interest 3.9 Worksheets Worksheet 3.1 Preparation of an indicator solution for determination of residual chlorine ARTEMIA 4.1 ... Quality control of the produced trochophora larvae 6.3.4 Cryopreservation 6.4 Literature of interest BACK COVER PREPARATION OF THIS DOCUMENT The success of any farming operation for fish and shellfish...

Ngày tải lên: 15/12/2013, 00:15

... successfully in rectangular outdoor concrete ponds of 10-40 tons of water volume and a water depth of 1.5-2 m 2.3.7 Culture of sessile micro-algae Farmers of abalone (Haliotis sp.) have developed ... function of the sampling, diluting, and filling of the counting chamber, as well as the choice of the right type of counting chamber and range of cell concentration Counting chambers, recommended for ... (22:6n-3, DHA), is of major importance in the evaluation of the nutritional composition of an algal species to be used as food for marine organisms The fatty acid composition of 10 species of micro-algae...

Ngày tải lên: 15/12/2013, 00:15

... almost 60% of that of a normal adult female, Fig 3.17.), are ideal for storage and transport and can be used as inocula for mass cultures Mass production of rotifers for cyst production is performed ... 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 ... Worksheets Worksheet 3.1 Preparation of an indicator solution for determination of residual chlorine Worksheet 3.1 Preparation of an indicator solution for determination of residual chlorine ã make in...

Ngày tải lên: 15/12/2013, 00:15

... not only in terms of survival, growth and success of metamorphosis of many species of fish and crustaceans, but also with regard to their quality, e.g reduced incidence of malformations, improved ... now being developed for oral delivery of vitamins, chemotherapeutics and vaccines Furthermore, a better knowledge of the biology of Artemia was at the origin of the development of other Artemia ... expansion of aquaculture production in the 1970’s, the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, turning Artemia into a bottleneck for the expansion of the...

Ngày tải lên: 15/12/2013, 00:15

... higher than for instar I nauplii (see 4.2.3.; Fig 4.3.4.) For example, for the culture of carp larvae during the first two weeks, the use of decapsulated cysts constitutes a saving of over one ... Calculate mean value for the three replicate samples Table 4.2.6 Practical example of the procedure for estmating the water content of Artemia cysts Sample Weight of Weight of cup + cyst cup sample ... refrigerator (0-4°C) for a few days before hatching incubation For long term storage cysts need to be dehydrated in saturated brine solution (1 g of dry cysts per 10 ml of brine of 300 g NaCl.l-1)...

Ngày tải lên: 15/12/2013, 00:15

... energy and dry weight of different forms of Artemia (newly hatched instar I nauplii are considered to have 100% values for those variables) The % decrease or increase is shown for Instar I, Instar ... hatcheries all over the world for enhancing the nutritional value of Artemia with essential fatty acids Figure 4.3.7 Schematic diagram of the use of Artemia as vector for transfer of specific components ... although often the effects of diet composition only become apparent in later stages (Fig 4.3.13) A good illustration of this is the resistance to salinity stress in PL-10 stages of a batch of Penaeus...

Ngày tải lên: 15/12/2013, 00:15

... beneficial for most soils this is not true for acid-sulfate soils, often found in mangrove areas When exposed to the air, the pyrite of these soils oxidizes to form sulfuric acid Of course liming of ... 4.5.12 Raft with conical net used for Artemia biomass harvesting · use mesh size of to mm for selective harvesting of adults/juveniles · fit mesh of 100 µm to the end of the net where adults accumulate ... the relative humidity of the air For example, at a relative humidity of 70 to 75% cysts may reach a water content of about 10 to 15% after a maximum of 48 h, and drying for a longer period will...

Ngày tải lên: 15/12/2013, 00:15

... 160 µm for larger rotifers, nauplius and copepodite stages of copepods; · 300 and 500 µm for small water fleas and smaller species of cyclopoid copepods; · 700 µm for adult water fleas of the ... feasibility (or not) of copepod culture may be the main bottleneck for its routine application Infrastructure and labour costs for the production of sufficient quantities of live copepods for commercial ... live weight of Tigriopus can be harvested during 89 days at maximal densities of 22,000 animals.l-1; the amount of yeast used for a kg production of Tigriopus being to kg 5.2.6 Use of resting...

Ngày tải lên: 15/12/2013, 00:15

... exo-enzymes in the gut of the fish larvae 6.1.3 Feeding and nutrition of Daphnia The filtering apparatus of Daphnia is constructed of specialized thoracic appendages for the collection of food particles ... The document has been prepared to help meet the needs of aquaculture workers of member countries for the synthesis of information in the field of aquaculture nutrition and feed development ... fatty acids are important for a normal growth and reproduction of Daphnia Heterotrophic microflagellates and ciliates up to the size of Paramecium can also be used as food for Daphnia Even detritus...

Ngày tải lên: 15/12/2013, 00:15

... intensive It outperforms current similarity-based approaches by over 13% when the test set includes all of the data We conclude with a suggested backoff model based on this baseline History of Pseudo-Word ... report backoff scores for Google and Erk These consist of always choosing the Baseline if it returns an answer (not a guessed unseen answer), and then backing off to the Google/Erk result for Baseline ... up to 90% of the data 30 25 20 15 10 0 10 Number of Tokens in Training (hundred millions) 12 Figure 1: Percentage of NYT development set that is unseen when trained on varying amounts of data The...

Ngày tải lên: 07/03/2014, 22:20

... of all HIV-infected pregnant women) on ART for life for their own health as well as for the prevention of infant HIV infection For women with CD4 counts >350 cells/mm3, who are not eligible for ... approach of lifelong ART for PMTCT for all HIVinfected pregnant women, rather than stopping ARVs for women not eligible for treatment, as in both Option A and Option B (7); •• the launch of the ... clinic setting but also continuing this therapy for all of these women for life Important advantages of Option B+ include: further simplification of regimen and service delivery and harmonization...

Ngày tải lên: 08/03/2014, 15:20

... relatively low cost 318 One of the early applications of DNA for the formation of nanowires, in 1998, involved the metallization of dsDNA between two electrodes to form conductive silver nanowire ... first use of cytoskeletal proteins for nanotechnology was the utilization of actin filaments as templates for nanowire formation [26] Briefly, 7-nm actin filaments were formed by self-assembly of the ... described for DNA oligomers Use of cytoskeletal elements for the assembly of nanowires Another interesting use of naturally occurring fibers for metal deposition is the use of cytoskeletal elements Various...

Ngày tải lên: 16/03/2014, 12:20

... training ground for terrorists There is a growing range of media that provide platforms for the dissemination of practical guides in the form of online manuals, audio and video clips, information and ... provided for the convenience of the reader and are correct at the time of issue The United Nations takes no responsibility for the continued accuracy of that information or for the content of any ... the kidnapping of diplomats), acts of unlawful taking and possession of nuclear material, acts of hostage-taking, acts of terrorist bombings and acts of funding of the commission of terrorist acts...

Ngày tải lên: 23/03/2014, 03:20

... their parents for help, more often did so for any of the reasons listed above (e.g 7% of the 15-17 year-olds asked their parents for help because they were harassed online compared to 1% of the 6-10 ... in which children asked for help; for example: fathers were more often asked for help with a technical problem (54% vs 42% of women) younger parents were most often asked for help when children ... considerations As for Internet use, mobile use increased with age: e.g only 11% of the year-olds used a mobile phone of their own compared to 52% of the 10 year-olds, 87% of the 13 year-olds and 95% of the...

Ngày tải lên: 29/03/2014, 19:20

... applications of schemata The semantic representation of the new phrase is calculated at the same time As such, an HPSG parse forest can be considered to be a forest of signs Making use of these signs ... subtrees with a height of for c0 Suppose that the input forest is binarized and that |E| is the average number of hyperedges of each node, then we must generate O(|E|2 −1 ) subtrees4 for c0 in the worst ... parse forest instead of a 1best tree, as in the case of (Galley et al., 2006) Multiple interpretations of unaligned function words for an aligned tree-string pair result in a derivation forest...

Ngày tải lên: 30/03/2014, 21:20