Fission

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  • Tham khảo sách 'newapplocations of nuclear fission', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • In order to predict heavy particle radioactivities in 1980 and to arrive at a unified approach of cluster decay modes, alpha disintegration, and cold fission, before the first experimental confirmation3 in 1984, we developed and used a series of fission theories in a wide range of mass asymmetry, namely: fragmentation theory, numerical (NuSAF) and analytical (ASAF) superasymmetric fission models, and a semiempirical formula for a-decay (see the multiauthored book * and the references therein).

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  • This book covers new experimental and theoretical studies that focus on the modern developments of nuclear fission, aiming at various applications in a wide range of fields and bringing together scientists working in different fields related to nuclear fission.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Global transcriptional responses of fission and budding yeast to changes in copper and iron levels: a comparative study...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Minireview cung cấp cho các bạn kiến thức về ngành y đề tài: Conserved features of cohesin binding along fission yeast chromosomes

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: " Antagonistic interaction of HIV-1 Vpr with Hsf-mediated cellular heat shock response and Hsp16 in fission yeast (Schizosaccharomyces pombe)...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Transcriptional regulatory network for sexual differentiation in fission yeast...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Global fitness profiling of fission yeast deletion strains by barcode sequencing...

    pdf0p thulanh22 20-11-2011 18 2   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: The time-profile of cell growth in fission yeast: model selection criteria favoring bilinear models over exponential ones

    pdf10p toshiba17 31-10-2011 18 1   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: Global expression changes resulting from loss of telomeric DNA in fission yeast...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Differential patterns of intronic and exonic DNA regions with respect to RNA polymerase II occupancy, nucleosome density and H3K36me3 marking in fission yeast...

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  • (BQ) Part 1 book "Power plant technology" has contents: A thermodynamics review, the rankine cycle, fossil fuel steam generators, fuels and combustion, turbines, the condensate feedwater system, the circulating water system, gas turbine and combined cycles, principles of nuclear energy, thermal fission reactors and powerplants.

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  • In both fission and fusion, unstable nuclei have become more stable. Energy is released. In order to explain these processes, we need to be able to say where this energy comes from. One answer lies in the origins of the nuclei we are considering. Take, for example, uranium. The earth’s crust contains uranium. In some places, it is sufficiently concentrated to make it worth while extracting it for use as the fuel in fission reactors. This uranium has been part of the Earth since it was formed, 4500 million years ago. The Earth formed a swirling cloud of dust...

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  • I. Introduction An important aspect of nuclear reactor core analysis involves the determination of the optimal coolant flow distribution and pressure drop across the reactor core. On the one hand, higher coolant flow rates will lead to better heat transfer coefficients and higher Critical Heat Flux (CHF) limits. On the other hand, higher flows rates will also in large pressure drops across the reactor core, hence larger required pumping powers and larger dynamic loads on the core components.

    ppt259p giotletinh_hd2009 20-04-2013 55 16   Download

  • Bacteria are non-chlorophyllated unicellular organisms that reproduce by fission and do not present nuclear envelope. Gram´s stain is a staining technique used to classify bacteria based on the different characteristic of their cell walls. Gram-positive or Gram-negative bacteria are determined by the amount and location of peptidoglycan in the cell wall, exhibiting different chemical compositions and structures, cell-wall permeabilities, physiologies, metabolisms, and pathogenicities.

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  • This introduction to nuclear physics provides an excellent basis for a core undergraduate course in this area. The authors show how simple models can provide an understanding of the properties of nuclei, both in their ground and excited states, and of the nature of nuclear reactions. They include chapters on nuclear fission, its application in nuclear power reactors, the role of nuclear physics in energy production and nucleosynthesis in stars.

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  • During my career, some 35 years, there has been a growing realization that the goal of successful nuclear waste management and the final disposal of long-lived radionuclides can only be attained by a thorough understanding of the behavior of key, technogenic radionuclides in the environment. Within a nuclear reactor, these radionuclides are created by fission, neutron capture and subsequent beta-decay reactions on actinides, mainly 238 U, and by activation nuclear reactions.

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  • Cerium, an element in the lanthanide series, has a number of radioactive isotopes. Several of these are produced in abundance in nuclear fission reactions associated with nuclear industry operations or detonation of nuclear devices. This report summarizes our present knowledge of the relevant physical, chemical, and biological properties of radiocerium as a basis for establishing radiation protection guidelines.

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  • Vi khuẩn chỉ sinh sản vô tính (asexual reproduction), không sinh sản hữu tính (có tái tổ hợp di truyền). Cụ thể hơn, chúng sinh sản bằng cách chia đôi (binary fission), hay trực phân. Trong quá trình này, một tế bào mẹ được phân thành 2 tế bào con bằng cách tạo vách ngăn đôi tế bào mẹ

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  • Kolvenbach et al. AMB Express 2011, 1:8 http://www.amb-express.com/content/1/1/8 ORIGINAL Open Access Purification and characterization of hydroquinone dioxygenase from Sphingomonas sp. strain TTNP3 Boris A Kolvenbach1,2*, Markus Lenz1, Dirk Benndorf3, Erdmann Rapp4, Jan Fousek5,6, Cestmir Vlcek5,6, Andreas Schäffer2, Frédéric LP Gabriel7, Hans-Peter E Kohler8 and Philippe FX Corvini1,9 Abstract Hydroquinone-1,2-dioxygenase, an enzyme involved in the degradation of alkylphenols in Sphingomonas sp. strain TTNP3 was purified to apparent homogeneity.

    pdf11p dauphong13 10-02-2012 29 4   Download

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