964 resultados para 56-434A
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Developing guidelines for sustainable freshwater aquaculture planning in Vietnam. Aquaculture production, certification and trade: Challenges and opportunities for the small-scale farmer in Asia. The successful development of backyard hatcheries for crustaceans in Thailand. Alternate carp species for diversification in freshwater aquaculture in India. Genetic and reproduction technologies for enhanced aquaculture and fisheries management of Murray cod. Effluent and disease management in traditional practices of shrimp farming: A case study on the west coast of Sabah, Malaysia. Status of sahar domestication and its development in the Himalayan Region of Nepal. Vaccination benefits highlighted as Schering-Plough reinforces commitment to Asian aquaculture. Comparative advantage analysis of shrimp production in Asia. Strategies to improve livelihood of the rural poor: A case study in two small reservoirs in Binh Phuoc Province, Vietnam. Cambodian Government ban on snakehead farming enforced. Marine finfish aquaculture developments at ‘Indonesian Aquaculture 2007’. Production update – marine finfish aquaculture in the Asia-Pacific region. Body size of rotifers from estuaries in North Sulawesi. NACA Newsletter.
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Peter Edwards writes on rural aquaculture: From integrated carp polyculture to intensive monoculture in the Pearl River Delta, South China. Better management practices for Vietnamese catfish. Ipomoea aquatica – an aquaculture friendly macrophyte. A status overview of fisheries and aquaculture development in Pakistan with context to other Asian countries. The changing face of post-grad education in aquaculture: contributing to soaring production and sustainable practices. Hatchery management in Bangladesh. Production of Cirrhinus molitorella and Labeo chrysophekadion for culture based fisheries development in Lao PDR Part I: Captive spawning. Application of ipil-ipil leaf meal as feed Ingredient for monosex tilapia fry (Oreochromis niloticus) in terms of growth and economics. Fermented feed ingredients as fish meal replacer in aquafeed production Aquaculture and fishing management in coastal zone demarcation: the case of Thailand. Reservoir fisheries of freshwater prawn – success story of an emerging culture-based giant freshwater prawn fishery at Malampuzha Dam in Kerala, India. Determining and locating sea cage production area for sustainable tropical aquaculture. SPC Pacific-Asia marine fish mariculture technical workshop: “Farming Marine Fishes for our Future”. Developing Better Management Practices for Marine Finfish Aquaculture. Breeding and seed production of silver pompano (Trachinotus blochii, Lacepede) at the Mariculture Development Center of Batam. Potential of silver pomfret (Pampus argenteus) as a new candidate species for aquaculture. NACA Newsletter.
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Analisa as disposições contidas nas Portarias Interministeriais nºs 221 e 222, editadas em 18 de junho último pelo Governo Federal. Essas portarias regulamentam procedimentos preparatórios à execução de emendas individuais da Lei Orçamentária Anual (LOA) de 2015, sujeitas ao regime de execução obrigatória (“orçamento impositivo”), instituído na Lei de Diretrizes Orçamentárias de 2015 (LDO 2015 – Lei 13.080/2015) e, posteriormente, na Emenda Constitucional 86.
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This thesis has two major parts. The first part of the thesis will describe a high energy cosmic ray detector -- the High Energy Isotope Spectrometer Telescope (HEIST). HEIST is a large area (0.25 m2sr) balloon-borne isotope spectrometer designed to make high-resolution measurements of isotopes in the element range from neon to nickel (10 ≤ Z ≤ 28) at energies of about 2 GeV/nucleon. The instrument consists of a stack of 12 NaI(Tl) scintilla tors, two Cerenkov counters, and two plastic scintillators. Each of the 2-cm thick NaI disks is viewed by six 1.5-inch photomultipliers whose combined outputs measure the energy deposition in that layer. In addition, the six outputs from each disk are compared to determine the position at which incident nuclei traverse each layer to an accuracy of ~2 mm. The Cerenkov counters, which measure particle velocity, are each viewed by twelve 5-inch photomultipliers using light integration boxes.
HEIST-2 determines the mass of individual nuclei by measuring both the change in the Lorentz factor (Δγ) that results from traversing the NaI stack, and the energy loss (ΔΕ) in the stack. Since the total energy of an isotope is given by Ε = γM, the mass M can be determined by M = ΔΕ/Δγ. The instrument is designed to achieve a typical mass resolution of 0.2 amu.
The second part of this thesis presents an experimental measurement of the isotopic composition of the fragments from the breakup of high energy 40Ar and 56Fe nuclei. Cosmic ray composition studies rely heavily on semi-empirical estimates of the cross-sections for the nuclear fragmentation reactions which alter the composition during propagation through the interstellar medium. Experimentally measured yields of isotopes from the fragmentation of 40Ar and 56Fe are compared with calculated yields based on semi-empirical cross-section formulae. There are two sets of measurements. The first set of measurements, made at the Lawrence Berkeley Laboratory Bevalac using a beam of 287 MeV/nucleon 40Ar incident on a CH2 target, achieves excellent mass resolution (σm ≤ 0.2 amu) for isotopes of Mg through K using a Si(Li) detector telescope. The second set of measurements, also made at the Lawrence Berkeley Laboratory Bevalac, using a beam of 583 MeV/nucleon 56FeFe incident on a CH2 target, resolved Cr, Mn, and Fe fragments with a typical mass resolution of ~ 0.25 amu, through the use of the Heavy Isotope Spectrometer Telescope (HIST) which was later carried into space on ISEE-3 in 1978. The general agreement between calculation and experiment is good, but some significant differences are reported here.