WorldWideScience

Sample records for project title optimum

  1. Modernizing insecurity: the land titling project in Honduras.

    NARCIS (Netherlands)

    Jansen, K.; Roquas, E.

    1998-01-01

    The Honduran land titling project (the Proyecto de Titulación de Tierra para los Pequeños Productores), initiated in 1982, was intended to enhance security in land rights, to facilitate credit and to improve agricultural productivity. This study explores how the project has operated in one village,

  2. Exploratory Shaft, Phase 1, Project B-314: Title 1 design report system design description

    International Nuclear Information System (INIS)

    Hanlen, D.F.

    1983-01-01

    The report describes the project and the project systems, the principal design bases, and principal hazards and project interfaces. This report also contains the Title 1 Estimate Summary. 5 figs., 8 tabs

  3. Project Termination Report. Title IV-C Classroom Management Project. ESEA Title IV-C, August 29, 1981 - September 30, 1982.

    Science.gov (United States)

    Halasa, Ofelia; Theus, Frank

    This report provides a summary description of the Title IV-C Classroom Management Project conducted in the Cleveland (Ohio) Public Schools. The purpose of this project was to develop and pilot test a resource handbook designed to improve elementary and secondary school teachers' ability to organize and manage their classrooms. The development of…

  4. A layout designer's data projection reticle. [for optimum indicator instrument location in aircraft

    Science.gov (United States)

    Haines, R. F.

    1977-01-01

    The designer's projection reticle is a modified surplus weapons sighting device consisting of a 3.5 cm diameter, 8.9 focal length coated objective lens. It is placed 1.5 cm in front of a clear flat glass plate on which the aluminized reflective pattern has been deposited. Reflected light passes through the objective lens, off the front surface of the coating, and off the rear coated surface of the objective lens. Several reticle patterns have been designed and tested, and other patterns are in the planning stage. The device may be used for a variety of applications including determining the optimum locations on a cockpit panel for luminous warning indicators requiring rapid manual responses.

  5. 75 FR 60407 - Gulf of the Farallones National Marine Sanctuary Permit Application Project Titled: Fine Scale...

    Science.gov (United States)

    2010-09-30

    ... DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration Gulf of the Farallones National Marine Sanctuary Permit Application Project Titled: Fine Scale, Long-Term Tracking of Adult White Sharks AGENCY: Office of National Marine Sanctuaries (ONMS), National Ocean Service (NOS), National...

  6. Title IV Quality Control Project, Stage II. Management Option II: Delivery System Quality Improvements.

    Science.gov (United States)

    Advanced Technology, Inc., Reston, VA.

    Stage Two of the Title IV Quality Control Project is an integrated study of quality in five related Federal financial aid programs for postsecondary students. Section 1 of the paper establishes a framework for defining quality improvements, in order to identify the types of changes that would tend to improve quality across all facets of the…

  7. Optimum quantization and interpolation of projections in X-ray computerized tomography

    International Nuclear Information System (INIS)

    Vajnberg, Eh.I.; Fajngojz, M.L.

    1984-01-01

    Two methods to increase the accuracy of image reconstruction due to optimization of quantization and interpolation of proections with separate reduction of the main types of errors are described and experimentally studied. A high metrological and calculation efficiency of increasing the count frequency in the reconstructed tomogram 2-4 times is found. The optimum structure of interpolation functions of a minimum extent is calculated

  8. The Effectiveness of Title I Schoolwide Projects: A Synthesis of Findings from the First Years of Evaluation.

    Science.gov (United States)

    Wong, Kenneth K.; Meyer, Stephen J.

    The 1988 Hawkins-Stafford Elementary and Secondary School Improvement Amendments to Chapter 1 (now Title I) have enabled broad expansion of Title I schoolwide projects. The regulatory changes provide funding to entire schools, rather than targeting services to meet the needs of the most disadvantaged subpopulations. This paper reviews what is…

  9. An optimum condition for attainment of a single currency project in West Africa

    Directory of Open Access Journals (Sweden)

    Moses Abanyam Chiawa

    2014-01-01

    Full Text Available The paper examines the primary and secondary convergence conditions for a monetary union in the second monetary zone for West Africa. The focus of the paper is on the primary conditions as they provide the basis for the secondary conditions. The annual panel data used for the research are obtained from the West African Monetary Agency website: www.wami.imao.org. The panel variables are first tested for unit root and stationarity. The panel unit root test results show that all the variables are integrated of order one. The stationarity test confirms the result, as the variables are non-stationarity in level but stationarity after first difference. The Long-run co integration equation is obtained using the pooled group mean estimator. Linear programming is then applied on the result of the long-run equationto obtain the optimal conditions for attainment of single currency project for West Africa. The result shows that the objective value of 0.0462 is obtained with inflation contributing more to the variation in the government external reserves. The Central Banks in West Africa should be cautious in implementing inflation targeting as a way of tackling their economic problem.

  10. OPTIMUM PROSESSENTRERING

    Directory of Open Access Journals (Sweden)

    K. Adendorff

    2012-01-01

    Full Text Available

    ENGLISH ABSTRACT: The paper derives an expression for optimum process centreing for a given design specification and spoilage and/or rework costs.

    AFRIKAANSE OPSOMMING: Die problem Van prosessentrering vir n gegewe ontwerpspesifikasie en herwerk- en/of skrootkoste word behandel.

  11. Salt River Project San Tan Generating Station, Petition to Object to Title V Operating Permit

    Science.gov (United States)

    This document may be of assistance in applying the Title V air operating permit regulations. This document is part of the Title V Petition Database available at www2.epa.gov/title-v-operating-permits/title-v-petition-database. Some documents in the database are a scanned or retyped version of a paper photocopy of the original. Although we have taken considerable effort to quality assure the documents, some may contain typographical errors. Contact the office that issued the document if you need a copy of the original.

  12. A Path-Based Gradient Projection Algorithm for the Cost-Based System Optimum Problem in Networks with Continuously Distributed Value of Time

    Directory of Open Access Journals (Sweden)

    Wen-Xiang Wu

    2014-01-01

    Full Text Available The cost-based system optimum problem in networks with continuously distributed value of time is formulated as a path-based form, which cannot be solved by the Frank-Wolfe algorithm. In light of magnitude improvement in the availability of computer memory in recent years, path-based algorithms have been regarded as a viable approach for traffic assignment problems with reasonably large network sizes. We develop a path-based gradient projection algorithm for solving the cost-based system optimum model, based on Goldstein-Levitin-Polyak method which has been successfully applied to solve standard user equilibrium and system optimum problems. The Sioux Falls network tested is used to verify the effectiveness of the algorithm.

  13. Yucca Mountain Project: ESF Title I design control process review report

    International Nuclear Information System (INIS)

    1989-01-01

    The Exploratory Shaft Facility (ESF) Title 1 Design Control Process Review was initiated in response to direction from the Office of Civilian Radioactive Waste Management (OCRWM) (letter: Kale to Gertz, NRC Concerns on Title 1 Design Control Process, November 17, 1988). The direction was to identify the existing documentation that described ''hor-ellipsis the design control process and the quality assurance that governed hor-ellipsis'' (a) the development of the requirements documents for the ESF design, (b) the various interfaces between activities, (c) analyses and definitions leading to additional requirements in the System Design Requirements Documents and, (d) completion of Title 1 Design. This report provides historical information for general use in determining the extent of the quality assurance program in existence during the ESF Title 1 Design

  14. Guidance for implementing the long-term surveillance program for UMTRA Project Title I Disposal Sites

    International Nuclear Information System (INIS)

    1996-02-01

    This guidance document has two purposes: it provides guidance for writing site-specific long-term surveillance plans (LTSP) and it describes site surveillance, monitoring, and long-term care techniques for Title I disposal sites of the Uranium Mill Tailings Radiation Control Act (UMTRCA) (42 USC Section 7901 et seq.). Long-term care includes monitoring, maintenance, and emergency measures needed to protect public health and safety and the environment after remedial action is completed. This document applies to the UMTRCA-designated Title I disposal sites. The requirements for long-term care of the Title I sites and the contents of the LTSPs are provided in U.S. Nuclear Regulatory Commission (NRC) regulations (10 CFR Section 40.27) provided in Attachment 1

  15. 42 CFR 137.4 - May Title V be construed to limit or reduce in any way the funding for any program, project, or...

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 1 2010-10-01 2010-10-01 false May Title V be construed to limit or reduce in any way the funding for any program, project, or activity serving an Indian Tribe under this or other... General Provisions § 137.4 May Title V be construed to limit or reduce in any way the funding for any...

  16. Sarah J. Hale High School Project SABER. ESEA Title VII. Final Evaluation Report, 1979-80.

    Science.gov (United States)

    New York City Board of Education, Brooklyn, NY. Office of Educational Evaluation.

    This is an evaluation of a Title VII Bilingual Program conducted at a New York City High School in 1979-80. The report contains information on the program goals and objectives, the school site, and the student characteristics. Aspects of the instructional component discussed include programming, mainstreaming, and program funding.…

  17. Dos Idiomas, Un Mundo. Dual Language Project. Title VII Biennial Evaluation Report, 1995-97.

    Science.gov (United States)

    Ernest, Harishini M.; Gonzalez, Rosa M.

    This is an evaluation of the first 2 years of a 5-year comprehensive Bilingual Education grant funded by Title VII Part A of the Improving America's Schools Act of 1994 in the Austin Independent School District (AISD) (Texas). The grant awarded to the AISD funds a program of Developmental Bilingual Education at two elementary schools where more…

  18. An Application of the PMI Model at the Project Level Evaluation of ESEA Title IV-C Projects.

    Science.gov (United States)

    McBeath, Marcia

    All of the papers presented as part of a symposium concerned the application of the Planning, Monitoring, and Implementation Model (PMI) to the evaluation of the District of Columbia Public Schools' programs supported by the Elementary Secondary Education Act (ESEA) Title IV-C. PMI was developed to provide a model for systematic evaluation of…

  19. Science Scores in Title I Elementary Schools in North Georgia: A Project Study

    Science.gov (United States)

    Frias, Ramon

    The No Child Left Behind Act (NCLB)'s emphasis of reading, language arts, and mathematics (RLA&M) and its de-emphasis of science has been a source of great concern among educators. Through an objectivist and constructionist framework, this study explored the unforeseen effects of the NCLB on public science education among Title I (TI) and non-Title I (NTI) students. The research questions focused on the effects of NCLB on Criterion Referenced Competency Test (CRCT) scores in the high-stakes subjects of reading, language arts, mathematics and the low stakes subject of science among TI and NTI 3rd, 4th, and 5th grade students in a north Georgia County during the 2010/2011 school year. This study also compared instructional time TI and NTI teachers dedicated to science. A causal-comparative quantitative methodology was used to analyze Georgia's public domain CRCT scores. Three independent-samples t tests showed that TI schools exhibited significantly lower Science CRCT scores than did NTI students at all grade levels (p need students with strong science foundations. Further study is recommended to analyze the factors associated with this science gap between TI and NTI students.

  20. Instructional Coding System for Mathematics Program of Studies. MET, A Title IV-C Project.

    Science.gov (United States)

    Fairfax County Public Schools, VA. Dept. of Instructional Services.

    This document is part of the Management for Effective Teaching (MET) support kit, a pilot project designed by the Fairfax County (Virginia) Public Schools to assist elementary school teachers in planning, managing, and implementing the county's Program of Studies (POS). This document provides an alpha-numeric coding system to be used in…

  1. Final Report for Project titled High Thermal Conductivity Polymer Composites for Low-Cost Heat Exchangers

    Energy Technology Data Exchange (ETDEWEB)

    Thibaud-Erkey, Catherine [United Technologies reserach Center, East Hartford, CT (United States); Alahyari, Abbas [United Technologies reserach Center, East Hartford, CT (United States)

    2016-12-28

    Heat exchangers (HXs) are critical components in a wide range of heat transfer applications, from HVAC (Heating Ventilation and Cooling) to automobiles to manufacturing plants. They require materials capable of transferring heat at high rates while also minimizing thermal expansion over the usage temperature range. Conventionally, metals are used for applications where effective and efficient heat exchange is required, since many metals exhibit thermal conductivity over 100 W/m K. While metal HXs are constantly being improved, they still have some inherent drawbacks due to their metal construction, in particular corrosion. Polymeric material can offer solution to such durability issues and allow designs that cannot be afforded by metal construction either due to complexity or cost. A major drawback of polymeric material is their low thermal conductivity (0.1-0.5? W/mK) that would lead to large system size. Recent improvements in the area of filled polymers have highlighted the possibility to greatly improve the thermal conductivity of polymeric materials while retaining their inherent manufacturing advantage, and have been applied to heat sink applications. Therefore, the objective of this project was to develop a robust review of materials for the manufacturing of industrial and commercial non-metallic heat exchangers. This review consisted of material identification, literature evaluation, as well as empirical and model characterization, resulting in a database of relevant material properties and characteristics to provide guidance for future heat exchanger development.

  2. Educational Field Trips for Disadvantaged Pupils in Nonpublic Schools. Evaluation of ESEA Title I Projects in New York City, 1967-68.

    Science.gov (United States)

    Rosenthal, Harvey M.

    This Elementary and Secondary Education Act Title I project was developed in order to provide educationally enriching experiences to New York City elementary school students in disadvantaged non-public schools by means of field trips to places of civic and cultural interest. The 182 schools chosen were in designated poverty areas. Evaluation of…

  3. The Texts of the Instruments concerning the Agency's Assistance to Greece for the Continuation of a Research Reactor Project. A Second Title Transfer Agreement

    International Nuclear Information System (INIS)

    1974-01-01

    As a sequel to the assistance which the Agency has provided to the Government of Greece in connection with a research reactor project, a Second Title Transfer Agreement has been concluded between the Agency and the Governments of Greece and the United States of America

  4. [Educational Facilities for Pregnant School-Age Girls in Districts 3, 4, 12, 13, and 18. Project No. 1369. Evaluation of ESEA Title I Projects in New York City 1968-69.

    Science.gov (United States)

    Appel, Yetta; Berken, Ruth R.

    This project for pregnant school age girls is an ESEA Title I program operating in five facilities in Manhattan, Bronx, and Brooklyn. The primary objective of the project was to assist pregnant school age girls complete their education by being able to attend school. Additional objectives included provision of information and training in personal…

  5. Nondissipative optimum charge regulator

    Science.gov (United States)

    Rosen, R.; Vitebsky, J. N.

    1970-01-01

    Optimum charge regulator provides constant level charge/discharge control of storage batteries. Basic power transfer and control is performed by solar panel coupled to battery through power switching circuit. Optimum controller senses battery current and modifies duty cycle of switching circuit to maximize current available to battery.

  6. Title VII Enhancement Project for Compartiendo Culturas/Sharing Cultures 1995-96. Research Report on Educational Programs.

    Science.gov (United States)

    Houston Independent School District, TX. Dept. of Research and Evaluation.

    Compartiendo Culturas/Sharing Cultures, a Title VII Two-Way Developmental Bilingual Education Program at the Gary L. Herod Elementary School in the Houston Independent School District (Texas) was designed to end the isolation typically experienced by language minority students in traditional bilingual education and to provide language majority…

  7. National Ignition Facility Title II Design Plan

    International Nuclear Information System (INIS)

    Kumpan, S

    1997-01-01

    This National Ignition Facility (NIF) Title II Design Plan defines the work to be performed by the NIF Project Team between November 1996, when the U.S. Department of Energy (DOE) reviewed Title I design and authorized the initiation of Title H design and specific long-lead procurements, and September 1998, when Title 11 design will be completed

  8. Browse Title Index

    African Journals Online (AJOL)

    Items 51 - 100 of 165 ... Issue, Title. Vol 30 (2005), Digitisation projects at the University of Cape Town Libraries, Abstract. Janine Dunlop, Lesley Hart. Vol 24 (2002), DISA: an African Perspective on Digital Technology, Abstract. Michele Pickover, Dale Peters. Vol 30 (2005), Doing it right – or are we? Basic principles in the ...

  9. On Optimum Stratification

    OpenAIRE

    M. G. M. Khan; V. D. Prasad; D. K. Rao

    2014-01-01

    In this manuscript, we discuss the problem of determining the optimum stratification of a study (or main) variable based on the auxiliary variable that follows a uniform distribution. If the stratification of survey variable is made using the auxiliary variable it may lead to substantial gains in precision of the estimates. This problem is formulated as a Nonlinear Programming Problem (NLPP), which turn out to multistage decision problem and is solved using dynamic programming technique.

  10. FY 1994 Report on the results of the joint research project for optimum introduction of development of fuel cell technologies for urban energy centers; 1994 nendo toshi energy center nado nenryo denchi gijutsu kaihatsu saiteki donyu chosa seika hokokusho

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-05-01

    Described herein are the FY 1994 results of the joint research project for optimum introduction of development of fuel cell technologies for urban energy centers or the like. The necessary economic conditions for introduction of a fuel cell system to be competitive with the conventional system which individually supplies electric power and heat are 250,000 yen/kW as the construction unit cost, 0.10m{sup 2}/kW as the installation area, 5 years as the cell body life, use of an inexpensive fuel gas (2 to 6 yen/Mcal). Moreover, it is an indoor system which shall have the operational characteristics to follow daily demand fluctuations while operating under the optimum conditions in the urban redevelopment area considered. A 5,000kW-class fuel cell plant burning fuel gas (2 yen/Mcal) will need a total floor area of approximately 400,000 m{sup 2} in an energy-intensive office type demand area. These conditions shall be met in order to economically introduce the 5,000kW-class plant. It is also necessary to compare the plant with the competitive cogeneration plants. The specifications for the prototype now under consideration are sufficient for the energy-saving effect, and it is premised that these specifications and characteristics are secured. (NEDO)

  11. Final Report for the project titled "Enabling Supernova Computations by Integrated Transport and Provisioning Methods Optimized for Dedicated Channels"

    Energy Technology Data Exchange (ETDEWEB)

    Malathi Veeraraghavan

    2007-10-31

    A high-speed optical circuit network is one that offers users rate-guaranteed connectivity between two endpoints, unlike today’s IP-routed Internet in which the rate available to a pair of users fluctuates based on the volume of competing traffic. This particular research project advanced our understanding of circuit networks in two ways. First, transport protocols were developed for circuit networks. In a circuit network, since bandwidth resources are reserved for each circuit on an end-to-end basis (much like how a person reserves a seat on every leg of a multi-segment flight), and the sender is limited to send at the rate of the circuit, there is no possibility of congestion during data transfer. Therefore, no congestion control functions are necessary in a transport protocol designed for circuits. However, error control and flow control are still required because bits can become errored due to noise and interference even on highly reliable optical links, and receivers can, due to multitasking or other reasons, not deplete the receive buffer fast enough to keep up with the sending rate (e.g., if the receiving host is multitasking between receiving a file transfer and some other computation). In this work, we developed two transport protocols for circuits, both of which are described below. Second, this project developed techniques for internetworking different types of connection-oriented networks, which are of two types: circuit-switched or packet-switched. In circuit-switched networks, multiplexing on links is “position based,” where “position” refers to the frequency, time slot, and port (fiber), while connection-oriented packet-switched networks use packet header information to demultiplex packets and switch them from node to node. The latter are commonly referred to as virtual circuit networks. Examples of circuit networks are time-division multiplexed Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) and Wavelength Division

  12. Title VI in '76: Review of Projects Funded Under P.L. 91-230 Title VI-B, Education of the Handicapped Act, as Amended by P.L. 93-380 and P.L. 94-142. Fiscal Year 1976.

    Science.gov (United States)

    Florida State Dept. of Education, Tallahassee.

    Summarized are 89 projects which served exceptional students in all 67 Florida school districts and were funded during the 1975-76 school year under P.L. 91-230 Title VI B (Education of the Handicapped Act) as ammended by P.L. 93-380 and P.L. 94-142. Projects are divided into the following major areas; Florida Learning Resources System,…

  13. The optimum spanning catenary cable

    Science.gov (United States)

    Wang, C. Y.

    2015-03-01

    A heavy cable spans two points in space. There exists an optimum cable length such that the maximum tension is minimized. If the two end points are at the same level, the optimum length is 1.258 times the distance between the ends. The optimum lengths for end points of different heights are also found.

  14. Choosing the optimum burnup

    International Nuclear Information System (INIS)

    Geller, L.; Goldstein, L.; Franks, W.A.

    1986-01-01

    This paper reviews some of the considerations utilities must evaluate when going to higher discharge burnups. The advantages and disadvantages of higher discharge burnups are described, as well as a consistent approach for evaluating optimum discharge burnup and its comparison to current practice. When an analysis is performed over the life of the plant, the design of the terminal cycles has significant impact on the lifetime savings from higher burnups. Designs for high burnup cycles have a greater average inventory value in the core. As one goes to higher burnup, there is a greater likelihood of discarding a larger value in unused fuel unless the terminal cycles are designed carefully. This effect can be large enough in some cases to wipe out the lifetime cost savings relative to operating with a higher discharge burnup cycle

  15. An Application of the PMI Model at the Project Level: Evaluation of the ESEA Title IV C Fresh Start Minischool Project.

    Science.gov (United States)

    Harrison, Patricia C.

    The Planning, Monitoring, and Implementation Model (PMI) was developed to provide a model for systematic evaluation of educational programs to determine their effectiveness in achieving goals and objectives. This paper demonstrates the applicability of the PMI model at the project level. Fresh Start Minischool at Ballou High School (District of…

  16. No title

    CERN Multimedia

    Dezsõ, Horváth

    2008-01-01

    Even if black holes are indeed produced at the world's largest particle accelerator constructed at CERN, they will not present any danger - explained Dezso Horvath, professor of physics and leader of the Hungarian contingent engaged in several CERN projects, when he was questioned in the VIP-hall about the Large Hadron Collider (LHC) soon to enter into action.

  17. Research project: "Promotion of optimum brain ageing"

    CERN Multimedia

    IT Department

    2009-01-01

    The Rehabilitation and Geriatrics Department of the Geneva University Hospitals (HUG) has signed a research protocol with CERN with a view to promoting better understanding of the mechanisms that trigger Alzheimer’s disease. Alzheimer’s disease is a form of dementia associated with memory loss, inability to make plans and spatial disorientation. With 24 million sufferers worldwide at present, a figure that is predicted to rise to 29 million by 2020, it represents a major challenge for the coming decades. Prevention is a key factor in slowing the alarming spread of this disease. Delaying the onset of the disease could reduce the total number of cases by 50%. Why CERN? CERN is an international research organisation with a workforce that is predominantly male (a section of the population that has been little studied so far) and has a high level of education. Moreover, its pensioners are easy to reach since the majority live in the Geneva area. The aim of the study is to ev...

  18. English Title

    Directory of Open Access Journals (Sweden)

    José Ramón Camacho Camargo

    2015-11-01

    Full Text Available Excessive consumption of paper and poor management of documentation are weaknesses that may have a significant impact on productivity of organizations. For this reason, he began to develop the initiative to implement the concept of “paperless office” in the “Núcleo La Victoria de la Universidad Nacional Experimental Sur del Lago (UNESUR” in Venezuela, part of their academic processes, particularly in the related “Grades and Diplomas Section”. The research conducted was descriptive and feasible project. The proposal identified resource savings associated with implementing this practice. The results indicate that it is feasible to implement and which has a major impact on productivity; however, must be accompanied by measures for backup and information security, so its application in other areas of the university organization will be proposed, which can serve as an example for application in business organizations.

  19. Optimum Design of Plasma Focus

    International Nuclear Information System (INIS)

    Ramos, Ruben; Gonzalez, Jose; Clausse, Alejandro

    2000-01-01

    The optimum design of Plasma Focus devices is presented based in a lumped parameter model of the MHD equations.Maps in the design parameters space are obtained, which determine the length and deuterium pressure required to produce a given neutron yield.Sensitivity analyses of the main effective numbers (sweeping efficiencies) was performed, and lately the optimum values were determined in order to set a basis for the conceptual design

  20. Dos Idiomas, Un Mundo Dual Language Project Title VII Third-Year Evaluation Report, 1997-98. Publication Number 97.21.

    Science.gov (United States)

    Liberty, Paul; Gonzalez, Rosa Maria

    An evaluation was conducted of the third year of a 5-year comprehensive bilingual education grant funded by Title VII of the Improving America's Schools Act of 1994. The grant funds a program of developmental bilingual education at two elementary schools in the Austin Independent School District (Texas). More than 25% of the students at each…

  1. Browse Title Index

    African Journals Online (AJOL)

    2004): Special Issue 2004, Differential production of immune parameters by mouse strains ... agglutination and complement fixation tests in the field diagnosis ... List All Titles · Free To Read Titles This Journal is Open Access.

  2. Optimum Safety Levels for Breakwaters

    DEFF Research Database (Denmark)

    Burcharth, H. F.; Sørensen, John Dalsgaard

    2005-01-01

    Optimum design safety levels for rock and cube armoured rubble mound breakwaters without superstructure are investigated by numerical simulations on the basis of minimization of the total costs over the service life of the structure, taking into account typical uncertainties related to wave...... statistics and structure response. The study comprises the influence of interest rate, service lifetime, downtime costs and damage accumulation. Design limit states and safety classes for breakwaters are discussed. The results indicate that optimum safety levels are somewhat higher than the safety levels...

  3. Title IX Resource Guide

    Science.gov (United States)

    Office for Civil Rights, US Department of Education, 2015

    2015-01-01

    Title IX of the Education Amendments of 1972 (Title IX) prohibits discrimination based on sex in education programs and activities in federally funded schools at all levels. If any part of a school district or college receives any Federal funds for any purpose, all of the operations of the district or college are covered by Title IX. The essence…

  4. Optimum target thickness for polarimeters

    International Nuclear Information System (INIS)

    Sitnik, I.M.

    2003-01-01

    Polarimeters with thick targets are a tool to measure the proton polarization. But the question about the optimum target thickness is still the subject of discussion. An attempt to calculate the most common parameters concerning this problem, in a few GeV region, is made

  5. Optimum design of steel structures

    CERN Document Server

    Farkas, József

    2013-01-01

    This book helps designers and manufacturers to select and develop the most suitable and competitive steel structures, which are safe, fit for production and economic. An optimum design system is used to find the best characteristics of structural models, which guarantee the fulfilment of design and fabrication requirements and minimize the cost function. Realistic numerical models are used as main components of industrial steel structures. Chapter 1 containts some experiences with the optimum design of steel structures Chapter 2 treats some newer mathematical optimization methods. Chapter 3 gives formulae for fabrication times and costs. Chapters 4 deals with beams and columns. Summarizes the Eurocode rules for design. Chapter 5 deals with the design of tubular trusses. Chapter 6 gives the design of frame structures and fire-resistant design rules for a frame. In Chapters 7 some minimum cost design problems of stiffened and cellular plates and shells are worked out for cases of different stiffenings and loads...

  6. Optimum body size of Holstein replacement heifers.

    Science.gov (United States)

    Hoffman, P C

    1997-03-01

    Criteria that define optimum body size of replacement heifers are required by commercial dairy producers to evaluate replacement heifer management programs. Historically recommended body size criteria have been based on live BW measurements. Numerous research studies have observed a positive relationship between BW at first calving and first lactation milk yield, which has served as the impetus for using live BW to define body size of replacement heifers. Live BW is, however, not the only available measurement to define body size. Skeletal measurements such as wither height, length, and pelvic area have been demonstrated to be related to first lactation performance and (or) dystocia. Live BW measurements also do not define differences in body composition. Differences in body composition of replacement heifers at first calving are also related to key performance variables. An updated research data base is available for the modern Holstein genotype to incorporate measures of skeletal growth and body composition with BW when defining body size. These research projects also lend insight into the relative importance of measurements that define body size of replacement heifers. Incorporation of these measurements from current research into present BW recommendations should aid commercial dairy producers to better define replacement heifer growth and management practices. This article proposes enhancements in defining optimum body size and growth characteristics of Holstein replacement heifers.

  7. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 229 ... Browse Title Index ... Issue, Title. Vol 14, No 2 ... Vol 15, No 1 (2017), Qualitative and quantitative methods of suicide research in old age, Abstract PDF ... Vol 11, No 2 (2013), Simple Algorithm in the Management of Fetal ...

  8. Browse Title Index

    African Journals Online (AJOL)

    Items 201 - 250 of 488 ... African Journal of Paediatric Surgery. ... Ileocecal valve atresia: Introduction of a new surgical approach ... Vol 4, No 1 (2007), Isolated Bilateral Macrostomia: Case Series and ... Vol 9, No 2 (2012), Laparoscopic inguinal hernia repair in ... List All Titles · Free To Read Titles This Journal is Open Access.

  9. Browse Title Index

    African Journals Online (AJOL)

    Items 601 - 650 of 788 ... Browse Title Index ... Issue, Title ... Vol 14, No 1 (2006), Social science research: a critique of quantitative and qualitative methods ... Vol 18, No 1 (2010), Stress among part-time business students: a study in a Ghanaian ...

  10. Title to mining properties

    International Nuclear Information System (INIS)

    Crouch, K.M.

    1976-01-01

    The requirements of the law which must be met in order to create title to an unpatented mining claim and the procedures which should be followed when an attempt is made to determine the title to the claim is acceptable are reviewed

  11. Final report for the National Center for Intermodal Transportation for Economic Competitiveness : project title: student technology exchange program (STEP) for engineering/robotics in middle school students.

    Science.gov (United States)

    2015-05-05

    Key outcomes or other achievements - This project highlighted the importance of math and science concepts within three of the six STEM-related career clusters as defined by the Mississippi Department of Education: Agriculture, Food and Natural Resour...

  12. Optimum coolant chemistry in BWRs

    International Nuclear Information System (INIS)

    Lin, C.C.; Cowan, R.L.; Kiss, E.

    2004-01-01

    LWR water chemistry parameters are directly or indirectly related to the plant's operational performance and for a significant amount of Operation and Maintenance (O and M) costs. Obvious impacts are the operational costs associated with water treatment, monitoring and associated radwaste generation. Less obvious is the important role water chemistry plays in the magnitude of drywell shutdown dose rates, fuel corrosion performance and, (probably most importantly) materials degradation such as from stress corrosion cracking of piping and Reactor Pressure Vessel (RPV) internal components. To improve the operational excellence of the BWR and to minimize the impact of water chemistry on O and M costs. General Electric has developed the concept of Optimum Water Chemistry (OWC). The 'best practices' and latest technology findings from the U.S., Asia and Europe are integrated into the suggested OWC Specification. This concept, together with cost effective ways to meet the requirement, are discussed. (author)

  13. Closeout of the award DE-FG02-05ER46223. Trustees of the University of Pennsylvania. Project title- "Modular Designed Protein Constructions for Solar Generated H2 From Water

    Energy Technology Data Exchange (ETDEWEB)

    Dutton, P. Leslie [Univ. of Pennsylvania, Philadelphia, PA (United States)

    2015-02-18

    As the title of the grant clearly states, this project has explores a unique way that makes use of manmade proteins to turn solar energy into chemical fuels. A major impetus to the work is that there is growing support for the view that two related forces will impact on future livability of Earth. The first is the finite supply of fossil fuels to power the Earth making it prudent to save this resource for the creation of useful chemicals. The second is that burning fossil fuels to generate power releases “greenhouse” gases into the atmosphere. There is mounting evidence that this is a major contribution to the warming trend in the Earth’s atmosphere and biosphere.

  14. Browse Title Index

    African Journals Online (AJOL)

    1986), University Engineering Education and Training in Nigeria: Development, ... Vol 29, No 1 (2010), Use of Energy Method to Simulate the ... of Optimal Rational Composition of Titles Producible from Nigerian Clays ...

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    Items 1 - 50 of 194 ... Journal Home > Advanced Search > Browse Title Index ... Vol 14, No 1 (2000), A functional categoriality of adjectives in ... Vol 1, No 1 (1987), Alienation and affirmation: The humanistic vision of Bessie Head, Abstract PDF.

  16. Browse Title Index

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    Items 151 - 200 of 879 ... South African Journal of Higher Education. ... Browse Title Index ... in a USA school setting: Merging transition theory with a narrative approach, Abstract ... Citation analysis of theses and dissertations submitted at the ...

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    Items 601 - 650 of 879 ... South African Journal of Higher Education. ... Browse Title Index .... The challenge of thesis supervision in an art university, Abstract ... No 2 (2004), Robert Sternberg's mental self-government theory and its contribution to ...

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    Items 101 - 150 of 533 ... Southern African Linguistics and Applied Language Studies. ... Issue, Title ... Vol 34, No 1 (2016), Book Review: Qualitative-Quantitative Analyses of .... The complex consonants of simple CV-syllables in Zezuru, Abstract.

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    Items 51 - 100 of 346 ... Journal Home > Advanced Search > Browse Title Index ... and hygiene promotion services in Rungwe district, Tanzania, Abstract .... as seen in NIgerian teaching hospital: pattern and a simple classification, Abstract.

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    Items 151 - 200 of 437 ... Journal Home > Advanced Search > Browse Title Index ... prospects and realistic strategies to its implementation in Nigeria\\'s Institute of ... and Communication Technology (ICT) in information dissemination, Abstract.

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    Items 901 - 950 of 1355 ... Journal of Applied Sciences and Environmental Management. ... Journal Home > Advanced Search > Browse Title Index .... Vol 22, No 2 (2018), Performance evaluation of a locally fabricated sawdust fired oven for ...

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    Items 301 - 350 of 788 ... Journal Home > Advanced Search > Browse Title Index ... Vol 26, No 1 (2018), Gender differentials in the perception of .... Vol 25, No 1 (2017), Impact of total quality management on students' academic performance in ...

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    Items 101 - 150 of 465 ... Journal Home > Advanced Search > Browse Title Index ... and twinning data of an igbo kindred during the Nigerian Civil War, Abstract ... on laboratory estimations with special reference to clinical chemistry, Abstract.

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    Items 251 - 300 of 1260 ... Journal Home > Advanced Search > Browse Title Index ... Consumption of ammonia-nitrogen by aob in immobilized batch culture, Abstract PDF .... Vol 9, No 3S (2017): Special Issue, Design an automatic temperature ...

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    Items 101 - 150 of 294 ... Journal Home > Advanced Search > Browse Title Index. Log in or .... S Edwards, M Hlongwane, J Thwala, N Robinson ... Vol 16, No 1 (2017), Infancy of internet cafe: The substitute of ubuntu-padare pedagogy, Abstract.

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    Items 1 - 50 of 130 ... Journal Home > Advanced Search > Browse Title Index. Log in or ... using the technological pedagogical content knowledge(TPACK) framework, Abstract PDF ... Tamara N. Hrin, Dušica D. Milenković, Mirjana D. Segedinac.

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    Items 101 - 150 of 278 ... Journal Home > Advanced Search > Browse Title Index ... drie paradigmas beskou: 'n eenheid, of 'n veelheid van perspektiewe? ... Vol 45, No 1 (2011), Genre pedagogy in the mediation of socially-situated literacies ...

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    Items 551 - 600 of 879 ... Journal Home > Advanced Search > Browse Title Index ... A James, E Ralfe, L van Laren, N Ngcobo ... 1 (2011), Recognition of prior learning in promoting lifelong learning: A pedagogy of hope or a shattering of dreams?

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    Items 451 - 500 of 533 ... Journal Home > Advanced Search > Browse Title Index .... for past tense forms in Northern Sotho: verb stems with final 'm' and 'n', Abstract ... in an academic writing class: Implications for a dialogic pedagogy, Abstract.

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    Items 101 - 150 of 183 ... Journal Home > Advanced Search > Browse Title Index ... Vol 61 (2017), New interventions and sustainable solutions: .... Vol 35 (2011), Resurgence of tribal levies: Double taxation for the rural poor, Abstract PDF.

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    Items 1 - 50 of 736 ... Journal Home > Advanced Search > Browse Title Index ... Vol 5 (2008), A Contagious Malady: The Human Quest for Truth through Religion, Abstract ... A Study of Politeness Strategies Used by the National University of ...

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    Items 101 - 150 of 414 ... Journal Home > Advanced Search > Browse Title Index. Log in or ... of an algebraic function for the permutation of truth table columns, Abstract ... appraisal and productivity levels in selected Nigerian universities, Abstract.

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    Items 101 - 150 of 879 ... Journal Home > Advanced Search > Browse Title Index ... Vol 20, No 4 (2006), Assessing academic potential for university admission: ... Vol 16, No 2 (2002), Book Review: Rethinking truth by Higgs, P & Smith, J, Details.

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    Items 1 - 50 of 165 ... Journal Home > Advanced Search > Browse Title Index ... Vol 43 (2011), Assessment of the Learning Commons takeoff at the University of ... the archive of South Africa's Truth and Reconciliation Commission, Abstract.

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    Items 1 - 50 of 644 ... Journal Home > Advanced Search > Browse Title Index. Log in or ... Ethics review n international health research: quality assurance or bureaucratic nightmare? Details ... Audit of Management of Open Fractures, Details PDF.

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    Items 651 - 700 of 1199 ... Issue, Title ... Vol 5, No 1 (2011), Motivation, an Essential Ingredient for Optimal Performance in Emerging Markets, Abstract PDF ... Vol 3, No 5 (2009), Multinational transfer pricing and international taxation: what, why, ...

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    Items 51 - 100 of 153 ... Issue, Title. Vol 9, No 2 (2006):, Effects of efficient water utilisation on water resources development in Swaziland under climate change, Abstract .... Ethical, Indigenous and Socio-Economic Perspectives, Abstract.

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    Items 1 - 50 of 98 ... Journal Home > Advanced Search > Browse Title Index ... model for the continued professionalisation of student affairs in Africa, Abstract PDF ... Vol 2, No 2 (2014), Book Review: How College Affects Students, A Third decade ...

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    Items 1 - 50 of 76 ... Journal Home > Advanced Search > Browse Title Index ... Vol 4, No 1 (2011), Automation of AutoCAD for Detailing of Reinforced .... Vol 10, No 1 (2017), Housing data base for sustainable housing provision, Abstract PDF.

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    Items 1 - 50 of 147 ... Journal Home > Advanced Search > Browse Title Index .... Library (TEEAL) Database among faculty members in Federal University, ... Vol 5, No 2 (2014), Effects of corporate culture on the implementation of automation in ...

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    Items 1 - 41 of 41 ... Issue, Title ... Vol 1, No 3 (2004): Special Edition, Assessment of the quality and reserves of Bat ... Vol 1, No 1 (1997), Bovine dermatophilosis in Zambia: epidemiology, socio-economic impacts and future perspectives, Abstract.

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    Items 701 - 750 of 808 ... Issue, Title ... Vol 58, No 2 (2010), Short Communicaton: The socio-economic impact of helminth infections and the ... Vol 62 (2014): Special Edition, Special edition summarizing the scientific discourse which took place ...

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    Items 351 - 391 of 391 ... Issue, Title ... Vol 2, No 3 (1999): Special Edition, The efficacy of low volume application of roundup ... Vol 1, No 1 (1998), The relationships among National Socio-Economic Indicators and Child Health Statistics, Abstract.

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    Items 201 - 250 of 531 ... Journal Home > Advanced Search > Browse Title Index ... thermal conductivity and viscosity in a flat plate solar collector, Abstract PDF .... similarity method in unsteady two-dimensional MHD boundary layer on the body ...

  5. Reading in 3 Languages. La lectura en 3 idiomas. La lecture en langues. Manual Prepared for the Bilingual Demonstration Project, Title VII.

    Science.gov (United States)

    New York City Board of Education, Brooklyn, NY. Office of Bilingual Education.

    The manual contains forms, handouts, checklists, and other materials used in and developed by the Bilingual Screening and Reading Clinic Demonstration Project of New York City's Community School District 3. The materials are provided for teachers and administrators to use or modify for working with bilingual school populations in need of…

  6. On the optimum energy mix

    International Nuclear Information System (INIS)

    Fujii, Yasumasa

    2011-01-01

    After the Fukushima accident occurred in March 2011, reform of Japan's basic energy plan and energy supply system was reported to be under discussion such as to reduce dependence on nuclear power. Planning of energy policy should be considered based on four evaluation indexes of 'economics'. 'environmental effects', 'stable supply of energy' and 'sustainability'. 'Stable supply of energy' should include stability of domestic energy supply infrastructure against natural disasters in addition to stable supply of overseas resources. 'Sustainability' meant long-term availability of resources. Since there did not exist an almighty energy source and energy supply system superior in terms of every above-mentioned evaluation index, it would be wise to use combining various energy sources and supply system in rational way. This combination lead to optimum energy mix, so-called 'Energy Best Mix'. The author evaluated characteristics of energy sources and energy supply system in terms of four indexes and showed best energy mix from short-, medium- and long-term perspectives. Since fossil fuel resources would deplete anyhow, it would be inevitable for human being to be dependent on non-fossil energy resources regardless of greenhouse effects. At present it would be difficult and no guarantee to establish society fully dependent on renewable energy, then it would be probable to need utilization of nuclear energy in the long term. (T. Tanaka)

  7. Optimum detection for extracting maximum information from symmetric qubit sets

    International Nuclear Information System (INIS)

    Mizuno, Jun; Fujiwara, Mikio; Sasaki, Masahide; Akiba, Makoto; Kawanishi, Tetsuya; Barnett, Stephen M.

    2002-01-01

    We demonstrate a class of optimum detection strategies for extracting the maximum information from sets of equiprobable real symmetric qubit states of a single photon. These optimum strategies have been predicted by Sasaki et al. [Phys. Rev. A 59, 3325 (1999)]. The peculiar aspect is that the detections with at least three outputs suffice for optimum extraction of information regardless of the number of signal elements. The cases of ternary (or trine), quinary, and septenary polarization signals are studied where a standard von Neumann detection (a projection onto a binary orthogonal basis) fails to access the maximum information. Our experiments demonstrate that it is possible with present technologies to attain about 96% of the theoretical limit

  8. Browse Title Index - African Journals Online

    African Journals Online (AJOL)

    Items 151 - 200 of 771 ... Issue, Title. Vol 33, No 4 (2013), Community-researcher liaisons: the Pathways to Resilience Project Advisory Panel, Abstract PDF. LC Theron. Vol 37, No 3 (2017), Comparing the achievement goal orientation of mathematics learners with and without attention-deficit hyperactivity disorder, Abstract ...

  9. Integrated Multidisciplinary Fault Observation System in the western part of the main Marmara Fault in the frame of an EU-FP7 project, titled as MARSITE

    Science.gov (United States)

    Ozel, Oguz; Guralp, Cansun; Tunc, Suleyman; Yalcinkaya, Esref; Meral Ozel, Nurcan

    2015-04-01

    The main objective of this study is to install a multi-parameter borehole system and surface array consisting of eight broadband sensors as close to the main Marmara Fault (MMF) in the western Marmara Sea as possible, and measure continuously the evolution of the state of the fault zone surrounding the MMF and to detect any anomaly or change which may occur before earthquakes by making use of the data from these arrays. The multi-parameter borehole system is composed of very wide dynamic range and stable borehole (VBB) broad band seismic sensor, and incorporate 3-D strain meter, tilt meter, and temperature and local hydrostatic pressure measuring devices. All these sensors are installed in 146m-deep borehole. All the sensor outputs are digitized; total of 11*24 bit-channels and 6*20 bit-channels. Real-time data transmission to the main server of the Marsite Project at Kandilli Observatory in Istanbul is accomplished. The multi-parameter borehole seismic station uses the latest update technologies and design ideas to record "Earth tides" signals to the smallest magnitude -3 events, as the innovative part of the Marsite Project. Bringing face to face the seismograms of microearthquakes recorded by borehole and surface instruments portrays quite different contents. The shorter recording duration and nearly flat frequency spectrum up to the Nyquist frequencies of borehole records are faced with longer recording duration and rapid decay of spectral amplitudes at higher frequencies of a surface seismogram. The main causative of the observed differences are near surface geology effects that mask most of the source related information the seismograms include, and that give rise to scattering, generating longer duration seismograms. In view of these circumstances, studies on microearthquakes employing surface seismograms may bring on misleading results. Particularly, the works on earthquake physics and nucleation process of earthquakes requires elaborate analysis of tiny

  10. Louisiana SIP: LAC 33:III Ch. 14 Subchap B, 1431 to 1434--Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded, or Approved Under Title 23 U.S.C. or the Federal Transit Laws

    Science.gov (United States)

    Louisiana SIP: LAC 33:III Ch. 14 Subchap B, 1431 to 1434--Conformity to State or Federal Implementation Plans of Transportation Plans, Programs, and Projects Developed, Funded, or Approved Under Title 23 U.S.C. or the Federal Transit Laws

  11. Final Report to DOE EERE – Geothermal Technologies Program Project Title: Monitoring and modeling of fluid flow in a developing enhanced geothermal system (EGS) reservoir

    Energy Technology Data Exchange (ETDEWEB)

    Fehler, Michael [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

    2017-04-19

    The primary objective of this project was to improve our ability to predict performance of an Enhanced Geothermal System (EGS) reservoir over time by relating, in a quantitative manner, microseismic imaging with fluid and temperature changes within the reservoir. Historically, microseismic data have been used qualitatively to place bounds on the growth of EGS reservoirs created by large hydraulic fracturing experiments. Previous investigators used an experimentally based fracture opening relationship (fracture aperture as a function of pressure), the spatial extent of microseismic events, and some assumptions about fracture frequency to determine the size of an EGS reservoir created during large pumping tests. We addressed a number of issues (1) locating microearthquakes that occur during hydraulic fracturing, (2) obtaining more information about a reservoir than the microearthquake locations from the microearthquake data, for example, information about the seismic velocity structure of the reservoir or the scattering of seismic waves within the reservoir, (3) developing an improved methodology for estimating properties of fractures that intersect wellbores in a reservoir, and (4) developing a conceptual model for explaining the downward growth of observed seismicity that accompanies some hydraulic injections into geothermal reservoirs. We used two primary microseismic datasets for our work. The work was motivated by a dataset from the Salak Geothermal Field in Indonesia where seismicity accompanying a hydraulic injection was observed to migrate downward. We also used data from the Soultz EGS site in France. We also used Vertical Seismic Profiling data from a well in the United States. The work conducted is of benefit for characterizing reservoirs that are created by hydraulic fracturing for both EGS and for petroleum recovery.

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    Items 51 - 100 of 273 ... L sold at vegetable farms in Katsina Metropolis, Abstract PDF ... of optimum maturity of maize using image processing and artificial neural networks ... Vol 9, No 1 (2014), Determination of entrance skin dose from diagnostic ...

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    Items 51 - 100 of 985 ... Vol 18 (2011), A Phase Plane Realization of a Class of Nonlinear Liquid Level Control Systems, Abstract. EJ Ogbebor, EC Obinabo ... Vol 20 (2012), A Stability analysis for a mathematical model for the determination of optimum drug for chemotherapy of HIV, Abstract. RO Ayeni, B Gbadamosi, S Olaniyi, ...

  14. CT4 - Cost-Optimum Procedures

    DEFF Research Database (Denmark)

    Thomsen, Kirsten Engelund; Wittchen, Kim Bjarne

    This report collects the status in European member states regarding implementation of the cos optimum procedure for setting energy performance requirements to new and existing buildings.......This report collects the status in European member states regarding implementation of the cos optimum procedure for setting energy performance requirements to new and existing buildings....

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    Issue, Title. Vol 25, No 2 (2005), Yam-based farm practices and nematode problems in stored yams (Dioscorea spp.) in Ghana, Abstract PDF. CK Kwoseh, RA Plowright, J Bridge, R Asiedu. Vol 27, No 2 (2007), Yield, irrigation production efficiency and economic returns of broccoli under variable drip irrigation and lateral ...

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    Items 51 - 68 of 68 ... Issue, Title. Vol 12, No 1-2 (2009), Sécurité et ordre politique au Cameroun : entre dynamiques internes et connexions internationales, Abstract PDF. BEP Chantal. Vol 6, No 1-2 (2003), Self-Determination, Nationalism, Development and Pan-Africanism Stuck on the Runway: Are Intellectuals to be Blamed ...

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    Items 551 - 600 of 1463 ... Issue, Title. Vol 15, No 2 (2015), Evaluation of the diagnostic performance and operational characteristics of four rapid immunochromatographic syphilis tests in Burkina Faso, Abstract PDF. FY Bocoum, H Ouedraogo, G Tarnagda, A Kiba, S Tiendrebeogo, F Bationo, B Liestman, S Diagbouga, ...

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    Items 351 - 400 of 400 ... Issue, Title. Vol 9, No 1 (2010), Soft tissue sarcoma of the thigh: Need for angiography in the developing, Abstract PDF. IA Adigun, GA Rahman, KO Ogundipe. Vol 3, No 1 (2004), Spectrum of rheumatic heart disease in Zaria, Northern Nigeria, Abstract. SS Danbauchi, MA Alhassan, SO David, ...

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    Items 1 - 50 of 183 ... Issue, Title. Vol 62 (2017), #SchoolsOnFire: Criminal justice responses to protests that impede the right to basic education, Abstract PDF. Ann Skelton, Martin Nsibirwa. Vol 45 (2013), 'Pale Face'/'Pointy Face: SA Criminology in Denial, Abstract PDF. S Henkeman. Vol 59 (2017), Aluta continua: Police ...

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    Items 1 - 14 of 14 ... Issue, Title. Vol 2, No 1 (2009), Auditory and Respiratory Health Disorders Among Workers in an Iron and Steel Factory, Abstract. GM Abdel – Rasoul, OAE Mahrous, ME Abou Salem, MA Al-Batanony, HK Allam. Vol 2, No 1 (2009), Effect of An Educational Program About Medical Waste Management on ...

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    Items 51 - 100 of 391 ... Journal Home > Advanced Search > Browse Title Index ... Efficacy of four Rodenticides on the Ghanaian Market, Abstract ... Vol 2, No 1 (2000):, Determination of some wear elements in used car engine oil and oil filter ...

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    Items 251 - 300 of 490 ... Issue, Title. Vol 6, No 2 (2010), Knowledge and patterns of use of highly active antiretroviral therapies in HIV management at Abuja, Nigeria, Abstract. Jill I Okpalugo, US Inyang, K Ibrahim, F Anita, Chinwe V Ukwe, NC Aguwa. Vol 5, No 4 (2009), Knowledge and utilization of the acts in two major ...

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    Items 9951 - 10000 of 11090 ... Issue, Title. Vol 10, No 36 (2011), Study of heavy metals bioaccumulation in the process of vermicomposting, Abstract PDF. MM Aleagha, G Ebadi. Vol 10, No 45 (2011), Study of malondialdehyde (MDA) content, superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activities in ...

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    African Journals Online (AJOL)

    Items 1 - 50 of 412 ... Issue, Title. Vol 32, No 2 (2013), Seinsverständnis and meaning in Heidegger, Abstract. Rafael Winkler. Vol 21, No 3 (2002), A defense of peace as a human right, Abstract. Patrick Hayden. Vol 26, No 2 (2007), A Kantian stance on teleology in biology, Abstract. AA Cohen. Vol 30, No 1 (2011), A Likely ...

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    Items 251 - 300 of 328 ... Issue, Title. Vol 7, No 1 (2003), Sexual Harassment in Academia in Nigeria: How Real? Details PDF. Olugbenga Jelil Ladebo. Vol 8, No 2 (2004), Shaping the internet for match-making/dating: a challenge for the contemporary Nigerian family institution, Abstract PDF. Wale Adesina. Vol 6, No 1 (2002) ...

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    Items 51 - 73 of 73 ... Journal Home > Advanced Search > Browse Title Index ... Vol 13 (2006), The ageing eye” functional changes from cradle to gray: A ... Vol 12 (2005), The evaluation of vision in children using monocular vision acuity and ...

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    Issue, Title. Vol 22, No 2 (2008), Voltammetric determination of heparin based on its interaction with malachite green, Abstract PDF. Xueliang Niu, Weili Zhang, Na Zhao, Wei Sun. Vol 22, No 2 (2008), Voltammetric determination of l-cysteic acid on a 1-[4-(ferrocenyl-ethynyl)phenyl]-1-ethanone modified carbon paste ...

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    African Journals Online (AJOL)

    Items 201 - 250 of 577 ... Issue, Title. Vol 20, No 2 (2003), Emergency Contraception: A Global Overview of Knowledge, Attitudes and Practices Among Providers, Abstract PDF. Deborah Haggai. Vol 23 (2006):, Emergency laparotomy for peripartum haemorrhage in Bida North Central Nigeria, Abstract PDF. Sunny Abiodun O ...

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    African Journals Online (AJOL)

    Items 201 - 250 of 11090 ... Issue, Title. Vol 12, No 49 (2013), In vitro regeneration of selected Kenyan papaya (Carica papaya L.) lines through shoot tip culture, Abstract PDF. Naomi Nzilani Mumo, Fredah Karambu Rimberia, George Edward Mamati, Agnes Wanjiru Kihurani. Vol 7, No 12 (2008), In vitro regeneration of Turkish ...

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    African Journals Online (AJOL)

    Items 151 - 200 of 221 ... Issue, Title ... Vol 38 (2010), Soft drink consumption of Grade 4 and Grade 7 learners in the Wynberg area, City of Cape Town, South .... Vol 42 (2014), The meaning of food for obese men: a qualitative study, Abstract PDF.

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    African Journals Online (AJOL)

    Items 101 - 150 of 1215 ... Journal Home > Advanced Search > Browse Title Index. Log in or ... Vol 12, No 1 (2018), Analysis of the effects of frequent strikes on academic performance of students in universities in Nigeria: Edo State as a focal point, Abstract PDF ... Vol 6, No 1 (2012), Appraisal as a Determinant for Adequate ...

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    African Journals Online (AJOL)

    Items 1 - 20 of 20 ... Issue, Title. Vol 9, No 2 (2000), Age dependent changes in the hypothalamic amino acid neurotransmitters in response to nicotine, Abstract. NM Radwan, NA Ahmed, YAM Aly. Vol 9, No 2 (2000), Autoantibodies, ocular and auditory changes in patients with vitiligo, Abstract. AE Fathia, EA Nagwa, ...

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    African Journals Online (AJOL)

    Items 51 - 76 of 76 ... Issue, Title. Vol 6, No 1 (2013), Integrating Sustainability into the Real Estate Valuation Process: A Nigerian Perspective, Abstract PDF. G K Babawale, B A Oyalowo. Vol 5, No 1 (2012), Internalising internationa valuation standards: Relevance and applicability issues in the Nigerian context, Abstract PDF.

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    African Journals Online (AJOL)

    Items 51 - 100 of 201 ... Issue, Title. Vol 12, No 1 (2006), Conservative management of cervical ectopic pregnancy: case report, Abstract PDF. TD Naidoo, MR Ramogale, J Moodley. Vol 18, No 2 (2012), Contraceptive use and associated factors among South African youth (18 - 24 years): A population-based survey, Abstract ...

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    African Journals Online (AJOL)

    Items 151 - 183 of 183 ... Issue, Title. Vol 9, No 1 (2004), Socio-economic constraints affecting youths involvement in national economic development, Abstract. Josephine U Nwagwu. Vol 12, No 2 (2007), Stabilizing Potential Of Cement-Fly Ash Mixture On Expansive Clay Soil, Abstract. OO Amu, AB Fajobi, SO Afekhuai. Vol 11 ...

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    African Journals Online (AJOL)

    Items 1 - 50 of 76 ... Issue, Title. Vol 16, No 2 (2006), A profile of the theatre procedures in paediatrict ophthalmic practice, Abstract. E O Onwasigwe. Vol 15, No 2 (2005), Abdominal cocoon, Abstract. Abdulrasheed K Adesunkanmi, Tajudeen A Badmus, Olukayode Ogundoyin, Akinwumi B Ogunrombi. Vol 18, No 1 (2008) ...

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    African Journals Online (AJOL)

    Items 1 - 50 of 647 ... Issue, Title. Vol 13, No 2 (2010), 'N toekomstige perspektief op grondwetlike stabiliteit, Abstract PDF. F.W de Klerk. Vol 18, No 5 (2015), Cloete murray and Another v Firstrand bank ltd t/a Wesbank [2015] ZASCA 39A, Abstract PDF. M Laubscher. Vol 15, No 5 (2012), Cave Pecuniam: Lawyers as ...

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    African Journals Online (AJOL)

    Items 1 - 15 of 15 ... Issue, Title. Vol 1, No 1 (2008), Assessment Of Ophthalmic Patients' Satisfaction In Owo, Abstract. CO Omolase, CO Fadamiro, BO Omolase, AS Aina, EO Omolade. Vol 3, No 1 (2010), Case Report: Strongyloides stercoralis coinfection in a Nigerian with HIV. Abstract. A.A Oyekunle, R.A.A Bolarinwa, O.A ...

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    African Journals Online (AJOL)

    Items 1 - 15 of 15 ... Issue, Title. Vol 1, No 1 (2007), An Action Five Strategy For Bridging The Gender Gap In Academic Research Activities In African Universities. The Case of Nigeria, Abstract PDF. DN Okorie, OG Agabi, CM Uche. Vol 1, No 1 (2007), Book Review: Confronting sexual harassment in Ghanaian Universities ...

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    African Journals Online (AJOL)

    Items 1 - 50 of 93 ... Issue, Title. Vol 5 (2013), A cost-effective Geographic Information Systems for Transportation (GIS-T) application for traffic congestion analyses in the Developing World, Abstract PDF. E Agyemang. Vol 3 (2011), A Historical and Gendered Perspective on HIV / AIDS in Botswana, Abstract PDF. J Hesselberg ...

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    African Journals Online (AJOL)

    Items 201 - 250 of 327 ... Issue, Title. Vol 10, No 4 (2016), Omphalocoeles: A decade in review, Abstract PDF. S Singh, A Madaree. Vol 2, No 4 (2008), Ortner syndrome, Abstract PDF. E Meyer, NE Jones, LJ Zühlke. Vol 10, No 3 (2016), Outcome of children admitted to a general highcare unit in a regional hospital in the ...

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    African Journals Online (AJOL)

    Items 1 - 50 of 814 ... Issue, Title. Vol 21, No 2 (2016), A 10 years trend of peptic ulcer disease and other gastrointestinal disorders in northern Uganda, Abstract PDF. T.R. Okello, D.M. Ogwang, I Pecorella. Vol 21, No 2 (2016), A 2-years description of traumatic brain injury admissions in Tikur Anbessa Specialized Hospital ...

  3. Browse Title Index

    African Journals Online (AJOL)

    Items 301 - 350 of 577 ... Issue, Title. Vol 32, No 2 (2015), Late arrival in hospital during labour: any correlation with materno-foetal outcome? The state specialist hospital, Asubiaro, Osogbo Experience. Abstract PDF. OO Awolola. Vol 30, No 2 (2013), Late Reproductive Effects of Cancer Treatment in Young People, Abstract ...

  4. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 319 ... Issue, Title. Vol 23, No 2 (2016), Carica papaya juice enhanced in-vitro cell proliferation better than freeze-dried PBS extract using scratch assay, Abstract. A.B. Nafiu, E Abdulaziz, M.T. Rahman. Vol 23, No 2 (2016), A comparative study of the ownership and utilization of insecticide treated nets in ...

  5. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 52 ... Issue, Title. Vol 15 (2000), Ammi analysis of maize yield trials in South-Western Nigeria, Abstract. SR Ajibade, BA Ogunbodede. Vol 20 (2006), Association of yield with some agronomic characters in potatoes in a cool mid-altitude location, Abstract. CO Amadi, EE Ene Obong. Vol 20 (2006), Casein (CSN3) ...

  6. Browse Title Index

    African Journals Online (AJOL)

    Items 201 - 240 of 240 ... Issue, Title. Vol 8, No 4 (2005), Status equipment in primary health centres of Tafa Lga, North Central Nigeria, Abstract. MN Sambo, I Lewis, K Sabitu. Vol 10, No 1 (2007), Stroke at a tertiary medical institution in Northern Nigeria: Patients\\' profile and predictors of outcome, Abstract. KW Wahab, MU ...

  7. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 249 ... Issue, Title. Vol 10, No 1 (2010), Ye Shakoch Chilot (the court of the sheikhs): A traditional institution of conflict resolution in Oromiya zone of Amhara regional state, Ethiopia, Abstract PDF. M Zeleke. Vol 15, No 3 (2015), A comparative analysis of the Post- Arab Spring National Dialogues in Tunisia and ...

  8. Browse Title Index

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    Items 101 - 150 of 670 ... Issue, Title. Vol 9, No 2 (2012), Business Planning and the Economic Growth of Small and Medium Scale Enterprises in Nigeria, Abstract. Egbe Aneozeng A, Ejoh Ndifon Ojong, Obo Ekpenyong Bassey. Vol 11, No 2 (2014), Calabar Humaphors: An Analysis of Selected Jokes in Nigerian Stand Up ...

  9. Browse Title Index

    African Journals Online (AJOL)

    Items 101 - 107 of 107 ... Issue, Title. Vol 6, No 1 (2017), The Ophthalmic status manifestations of nutritional and lifestyle disorders of men in a peri urban community in Ghana, Abstract PDF. F. Vuvor, M. Steiner-Asiedu, F.K. Saalia. Vol 2, No 1 (2013), Thyroid Disorders in Accra, Ghana: A Retrospective Histopathological Study ...

  10. Browse Title Index

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    Items 1 - 50 of 251 ... Issue, Title. Vol 55 (2014), 20 Years of democracy: Transforming the public service, Abstract. A Ruiters. Vol 63 (2016), Zemk' iinkomo magwala ndini! Wake up! The cows are being stolen! Abstract. Sipho Pityana. Vol 56 (2014), A layperson's guide to Nene's budget statement, Abstract. B Turok.

  11. Browse Title Index

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    Items 1 - 50 of 1007 ... Issue, Title. Vol 11, No 1 (1997), (+)-Floribundone 3 from the pods of Senna septemtrionalis, Details PDF. Gizachew Alemayehu, Bekuretsion Woldeyesus, Berhanu M Abegaz. Vol 14, No 1 (2000), 11α-Hydroxy muzigadiolide, a novel drimane sesquiterpene from the stem bark of warburgia ugandensis ...

  12. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 356 ... Issue, Title. Vol 27, No 3 (2014), A desire for weight loss in season increases disordered eating behaviour risk and energy deficiency in athletes, Abstract PDF. HH Wright, R Ford, CR Botha. Vol 29, No 3 (2016), A review of infant and young child feeding practice in hospital and the home in KwaZulu-Natal ...

  13. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 66 ... Issue, Title. Vol 48, No 1-2 (2015), A hierarchical modeling of information seeking behavior of school teachers in rural areas of Nigeria, Abstract. Manir Abdullahi Kamba. Vol 49, No 1-2 (2016), Access to electronic information resources by students of federal college of education in south east Nigeria ...

  14. Browse Title Index

    African Journals Online (AJOL)

    Items 101 - 150 of 683 ... Issue, Title. Vol 54, No 1 (2006), Bovine tuberculosis survey in urban and peri urban dairy farms in coastal humid region of Tanga, Tanzania, Abstract. ES Swai, G Shirima, S Bwanga, W Moshy. Vol 60, No 3 (2012), Browsing capacity and nutritive value of indigenous browses in a tropical Coastal ...

  15. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 387 ... Issue, Title. Vol 15, No 2 (2015), Introduction to Christian philosophy, Abstract. Charles Ogundu Nnaji. Vol 8, No 2 (2006), Is Quantum Mechanics a Complete Theory?: A Philosophical Defense of Einstein's Position, Abstract. U O Egbai. Vol 10, No 1 (2007), Jesus in Africa, Abstract. FF Edet. Vol 10, No ...

  16. Browse Title Index

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    Items 51 - 98 of 98 ... Issue, Title. Vol 4, No 1 (2016), First-year seminar intervention: Enhancing firstyear mathematics performance at the University of Johannesburg, Abstract PDF. Melanie Jacobs, Estherna Pretorius. Vol 5, No 2 (2017), From Inky Pinky Ponky to Improving Student Understanding in Assessment: Exploring the ...

  17. Browse Title Index

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    Items 151 - 167 of 167 ... Issue, Title ... Vol 2, No 2 (2013), Women and the Leadership Paradigm: Bridging the Workplace Gender-Gap in Nigeria, Abstract PDF ... Vol 5, No 2 (2016), Women's participation and gender issues in local governance ...

  18. Browse Title Index

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    Items 51 - 100 of 110 ... Issue, Title. Vol 10, No 1 (2003), Incidence and Determinants of Child Labour in Nigeria: Implications for Poverty Alleviation, Abstract. Benjamin Chiedozie Okpukpara, Ngozi Odurukwu. Vol 20, No 1 (2013), Inflation and capacity utilisation in Nigeria's manufacturing sector, Abstract. OA Ishola. Vol 19, No ...

  19. Browse Title Index

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    Items 251 - 300 of 367 ... Issue, Title. Vol 43 (2014), Some interlingual communicative challenges for foreign African interpreters in South African courtrooms, Abstract PDF. SE Usadolo, E Kotze. Vol 29 (1996), South Africa's new language policy in the context of the organisation for African unity's language plan of action for ...

  20. Browse Title Index

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    Items 1 - 50 of 89 ... Issue, Title ... of two-phased approaches to load balancing in cloud computing, Abstract ... Vol 19, No 1 (2012), Assessing Network Services and Security in ... Vol 23, No 1 (2016), Cloud model construct for transaction-based ...

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    Items 51 - 100 of 198 ... Issue, Title ... Vol 13, No 1 (2015), Biometric Enhancement of Home and Office Security to Reduce Assassinations in Nigeria, Abstract PDF ... Vol 9, No 1 (2013), Cloud Computing: Key to IT Development in West Africa ...

  2. Browse Title Index

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    Items 151 - 198 of 198 ... Issue, Title ... scheme for QoS and energy conservation in cloud computing, Abstract PDF ... Vol 9, No 1 (2013), Performance and Security Evaluation of ... Vol 18, No 1 (2017), Reducing capital flight through local cloud ...

  3. Browse Title Index

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    Items 251 - 300 of 652 ... Journal Home > Advanced Search > Browse Title Index ... Vol 18, No 7 (2015), Introduction to virtual property: Lex virtualis ipsa ... Vol 17, No 1 (2014), Legal challenges relating to the commercial use of outer space, with ...

  4. Browse Title Index

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    Items 151 - 170 of 170 ... Issue, Title. Vol 20, No 2 (2004), The Impact of Mine Closures on Rural Population Dynamics: The Case of Zhombe in Kwekwe District, Midlands Province, Zimbabwe, Abstract. Crescentia Madebwe. Vol 29, No 1 (2013), The Influence of Organisational Culture and Job Satisfaction on Intentions to ...

  5. Browse Title Index

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    Items 101 - 150 of 263 ... Issue, Title. Vol 1, No 2 (2002), Effect of Light and Darkness on Packed Cell Volume in the Rat, Abstract. A. A. OSINUBI, F. I. DURU, C. C. NORONHA, A. O. OKANLAWON. Vol 4, No 1 (2005), Effect of Marijuana Smoking on Blood Chemistry and Serum Biogenic Amines Concentrations in Humans ...

  6. Browse Title Index

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    Items 751 - 800 of 846 ... Journal Home > Advanced Search > Browse Title Index ... Vol 9, No 3S (2017): Special Issue, The effect of torrefaction on oil palm ... core competency skills of IRBM tax auditors towards their performance, Abstract PDF ... of exchange rates behavior in Malaysia by using NATREX model, Abstract PDF.

  7. Browse Title Index

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    Issue, Title. Vol 38, No 1 (2004), Book Review: Unexpected Voices – Theory, Practice and Identity in the Writing Classroom. Abstract. Charly Dyers. Vol 38, No 1 (2004), Book Review: Shelley Angelil-Carter: Stolen Language? Plagiarism in Writing. Abstract. Elizabeth de Kadt. Vol 37, No 1 (2003), Book Review: The Green ...

  8. Browse Title Index - AJOL

    African Journals Online (AJOL)

    Items 501 - 508 of 508 ... Issue, Title. Vol 33, No 2 (2011), Visuele stereotipering van sportvroue in die sportmedia, Abstract. M Brandt, A Carstens. Vol 30, No 1 (2008), Volunteers\\' perceptions of benefits derived from volunteering: an empirical study, Abstract. J Surujlal, M Dhurup. Vol 33, No 1 (2011), Was the Conconi test ...

  9. Browse Title Index

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    Items 101 - 108 of 108 ... Issue, Title. Vol 8, No 2 (2016), The status and challenges of clinical informatics development in South Africa, Abstract PDF. Abayomi Kehinde Owolabi, Thokozani Patrick Mhlongo, Neil Evans. Vol 4, No 1 (2012), The stuttering implementation of language policies in the South African education system ...

  10. Browse Title Index

    African Journals Online (AJOL)

    Items 51 - 100 of 100 ... Issue, Title. Vol 28 (2013): Special Issue, Occurrence of Cryptosporidium and Giardia in domestic animals in peri-urban communities of Kafue district, Zambia, Abstract. J Siwila, IGK Phiri, HI Enemark, M Nchito, A Olsen. Vol 26, No 1 (2009), Occurrence of foot and mouth disease serotypes in Tanzania: A ...

  11. Browse Title Index

    African Journals Online (AJOL)

    Items 801 - 850 of 11090 ... Issue, Title. Vol 10, No 61 (2011), Analysis of chemical constituents in medicinal plants of selected districts of Pakhtoonkhwa, Pakistan, Abstract PDF. I Hussain, R Ullah, J Khan, N Khan, M Zahoor, N Ullah, MuR Khattak, FA Khan, A Baseer, M Khurram. Vol 10, No 77 (2011), Analysis of chloroplast ...

  12. Browse Title Index

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    Items 501 - 550 of 670 ... Issue, Title. Vol 11, No 4 (2014), Strategies for Fostering Creativity Among Business Education Graduates in Nigeria, Abstract. BO Nwosu, KE Ojo. Vol 13, No 1 (2015) ... Vol 10, No 1 (2013), The Challenges Facing Accounting Education: The Nigerian Experience, Abstract. OR Okolie. Vol 5 (2008), The ...

  13. Browse Title Index

    African Journals Online (AJOL)

    Items 101 - 150 of 198 ... Issue, Title ... Vol 7, No 1 (2013), Enterprise Cloud Adoption: Leveraging on the Business ... Load Balancing And Job Scheduling In Cloud Computing ... Vol 13, No 1 (2015), ICT-Based Framework for Improved Food Security in Nigeria ... Vol 5, No 1 (2012), IT-Based Solutions to the Electoral System in ...

  14. Browse Title Index

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    Items 101 - 150 of 1117 ... Journal Home > Advanced Search > Browse Title Index ... Vol 13, No 3 (2007):, an edu-ethical perspecitve on the nature of truth: case studies in elite ... 2009: September: Supplement, An empirical study of university ...

  15. Browse Title Index

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    Issue, Title. Vol 20, No 1 (2015), Assessment of iron status among preschool children (6 to 59 months) with and without malaria in Western Province, Kenya, Abstract. I Kisiangani, C Mbakaya, A Makokha, D Magu. Vol 20, No 1 (2015), Assessment of iron status among preschool children (6 to 59 months) with and without ...

  16. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 232 ... Issue, Title. Vol 5 (2003), Pre-School Education for a Democratic Society: Identifying Views of Stakeholders in Tanzania, Abstract. Willy LM Komba, Satoki T Mahenge, Gadi Koda. Vol 13, No 2 (2012), Process of Assuring Quality in Counselling at the National Open University of Nigeria: A Critique ...

  17. Browse Title Index

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    Items 101 - 150 of 1732 ... Journal Home > Advanced Search > Browse Title Index ... Vol 10, No 3 (2007), An Audit Of Perioperative Cardiac Arrest At ... Vol 11, No 4 (2008), An Audit Of Rejected Repeated X-ray Films As A Quality Assurance ...

  18. Browse Title Index

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    Items 151 - 200 of 1038 ... Issue, Title. Vol 31, No 2 (2009), Assessing the utility of a continuous, underway fish egg sampler (CUFES) for sampling zooplankton, Abstract. S Sono, CL Moloney, CD van der Lingen. Vol 38, No 4 (2016), Assessing trophic adaptability is critical for understanding the response of predatory fishes to ...

  19. Browse Title Index

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    Items 1 - 50 of 101 ... Issue, Title. Vol 3, No 4 (2014), Chlamydia trachomatis IgG antibodies seroprevalence among students in two tertiary institutions in Anambra state, Nigeria: a comparative study, Abstract PDF. CB Duru, FE Emele, ED Adinma, CO Ifeadike, KA Uwakwe, AO Oluboyo, BO Oluboyo, C Abejegah. Vol 2, No 1 ...

  20. Browse Title Index

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    Items 201 - 250 of 367 ... Issue, Title. Vol 42 (2013), Nursing the Cure: A Phonetic Analysis of /ʊə/ in South African English, Abstract PDF. I Bekker. Vol 1 (1980), Nuwe ontwikkelings binne chomsky se teorle van kerngrammatika, Abstract PDF. J Maartens. Vol 42 (2013), Obligatory Reflexivity in a Minimalist Grammar of ...

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    African Journals Online (AJOL)

    Items 651 - 700 of 1007 ... Issue, Title. Vol 4, No 1 (1990), Kinetics of oxidation of β-diimihe macrocyclic complexes and accessibility of six-coordinate copper(III) complexes generated by electrochemical oxidation of copper(II) complexes, Abstract PDF. Mohamed A. Khalifa. Vol 14, No 2 (2000), Kinetics of periodate oxidation of ...

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    Items 151 - 200 of 1020 ... Issue, Title ... Vol 48, No 2 (2006), Barriers to HIV Care and Treatment by Doctors: A review of the literature. ... Vol 48, No 5 (2006), Breast cancer – early detection and screening in South African women from the ...

  3. Browse Title Index

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    Issue, Title. Vol 23, No 2 (2011), Dynamique foliaire et croissance du maïs: Application du modèle «STICS» en conditions tropicales en RD-Congo, Abstract PDF. MM Lufuluabo, RV Kizungu, KK Nkongolo. Vol 18, No 1 (2006), Dynamique spatio-temporelle des populations d\\'Altises Podagrica spp. (Coleoptera ...

  4. Browse Title Index

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    Items 251 - 300 of 2005 ... Issue, Title. Vol 92, No 4 (2015), Blood Pressure and Obesity Index Assessment in a Typical Urban Slum in Enugu, Nigeria, Abstract. GI Ahaneku, CU Osuji, OC Oguejiofor, BC Anisiuba, VO Ikeh, JE Ahaneku. Vol 80, No 10 (2003):, Blood pressure control in a population where antihypertensives are ...

  5. Browse Title Index

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    Items 201 - 250 of 661 ... Journal Home > Advanced Search > Browse Title Index. Log in or Register to get access to full text downloads. .... A El-Mahdy, B Bolduc, J Upadhyay, R Shoukr, A Khoury. Vol 19, No 1 (2013), Factors affecting lower calyceal stone clearance after Extracorporeal shock wave lithotripsy, Abstract PDF.

  6. Browse Title Index

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    Items 101 - 150 of 985 ... Journal Home > Advanced Search > Browse Title Index ... Vol 17 (2010), Alternating Direction Implicit Finite Difference Time Domain Acoustic Wave Algorithm, Abstract. E Ikata .... Vol 17 (2010), Analytic derivation of the wave profile and phase speed of sixth order Stokes waves in deep water, Abstract.

  7. Browse Title Index

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    Items 151 - 200 of 286 ... Issue, Title. Vol 2, No 3-4 (2008), Impact of fire wood collection on trees species diversity in Bauchi state, Nigeria, Abstract. A Nura, A Ibrahim, I Mohammed, U Haruna. Vol 5, No 3 (2011), Impact of national special program for food security in Abia State, nigeria, Abstract. CO Emerole. Vol 5, No 1 (2011) ...

  8. Browse Title Index

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    Items 351 - 400 of 979 ... Issue, Title. Vol 45, No 9 (2003), Erectile dysfunction: A GP's guide to clinical assessment, Abstract PDF. PJ Harden. Vol 47, No 4 (2005), Ethical Issues in Family Practice: My Culture – Right or Wrong? Abstract PDF. GA Ogunbanjo, D Knapp van Bogaert. Vol 59, No 3 (2017), Ethical issues with ...

  9. Browse Title Index

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    Items 301 - 350 of 745 ... Issue, Title. Vol 9, No 3 (1999), Frequency And Outcome In AIDS Patients In A University Teaching Hospital – A Five Year Review, Abstract. SA Ogun, OO Adelowo, AEA ... Vol 18, No 2 (2008), Good cllinical practice in clinical drug trials - What you need to know, Abstract. K Soyebi, Y Abosede, HAB ...

  10. Browse Title Index

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    Items 1 - 50 of 217 ... Browse Title Index. Journal Home > Advanced ... Vol 13, No 1 (2016), Access to specialized surgical care, Abstract PDF. H Saidi ... Vol 9, No 2 (2012), Clinical Assessment of the Palmaris Longus – Accuracy of common tests, Abstract PDF ... Vol 11, No 2 (2014), Clinical trials in Surgery, Abstract PDF.

  11. Browse Title Index

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    Items 151 - 200 of 633 ... Issue, Title. Vol 19, No 1 (2009), Delays in Tuberculosis Treatment and Associated Factors in Jimma Zone, Southwest Ethiopia, Abstract PDF. Ayalew Tegegn, Meseret Yazachew. Vol 26, No 1 (2016), Delivery Site Preferences and Associated Factors among Married Women of Child Bearing Age in ...

  12. Browse Title Index

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    Items 151 - 200 of 4119 ... Issue, Title. Vol 86, No 2 (1996), A re-evaluation of isotope screening for skeletal metastases in nodenegative breast cancer, Abstract PDF. C.A. Gudgeon, I.D. Werner, D.M. Dent. Vol 104, No 6 (2014), A reflection on the South African Medical Association – past, present and future, Abstract PDF.

  13. Browse Title Index

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    Items 201 - 250 of 1006 ... Issue, Title. Vol 49, No 8 (2007), Clinical approach to a patient with abnormal uterine bleeding, Abstract PDF. B G Lindeque. Vol 57, No 5 (2015), Clinical evidence in the management of swimmer's ear, Abstract PDF. Andre Marais. Vol 50, No 1 (2008), Clinical features of Systemic Lupus ...

  14. Browse Title Index

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    Items 701 - 750 of 1010 ... Issue, Title. Vol 6, No 2 (1998), Performance et stabilité de rendement des génotypes de patate douce dans divers environnements à l'est du Congo, Abstract. P Phemba, T Mutombo, N B Lutaladio, E E Carey. Vol 22 (2014): Supplement, Performance of Artemia shell-free embryos, Moina micrura and ...

  15. Browse Title Index

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    Issue, Title. Vol 17 (2005), A. C. conduction behaviour in amorphous WO3/CEO2 thin film, Abstract. B Yagoubi, C A Hogarth, A Boukorrt. Vol 16 (2003), A lossless image compression algorithm using variable block size segmentation, Abstract. Z Brahimi, K A Saadi, N Baraka. Vol 15 (2003), Analysis method of wavelet ...

  16. Browse Title Index

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    Items 51 - 97 of 97 ... Journal Home > Advanced Search > Browse Title Index ... Vol 20, No 2 (2008), Research Note: Anthropometric data of the foot of ... Vol 26, No 1 (2014), Validation of the Automation Attitude Questionnaire for Airline Pilots ...

  17. Titles of Midas

    Directory of Open Access Journals (Sweden)

    G. L. Huxley

    2001-09-01

    Full Text Available The Phrygian inscription on the tomb at Yazılıkaya (8th century gives Midas the titles wanax and lawagtas, paralled in Mycenaean, and there were strong connections between his dynasty and Greek Aeolis.

  18. Browse Title Index

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    Items 201 - 250 of 333 ... Issue, Title. Vol 15, No 1 (2016), Irrigation potential of Inuakpa in Odukpani local government of Cross river using Kostiakov model, Abstract PDF. B.O. Unuigbe, K.I. Ofem, N.R.B. Antigha. Vol 2, No 2 (2003), LABOUR USE IN SMALL-SCALE YAM PRODUCTION IN QUA'AN PAN LOCAL GOVERNMENT ...

  19. Browse Title Index

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    Items 51 - 100 of 644 ... Issue, Title. Vol 19, No 2 (2007), A qualitative study of medical student socialization in Malawi\\'s College of Medicine: Clincal crisis and beyond, Abstract PDF. C Wendland, C Bandawe. Vol 19, No 2 (2007), A qualitative study of medical student socialization in Malawi\\'s College of Medicine: Preclinical ...

  20. Browse Title Index

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    Issue, Title. Vol 13, No 2 (2013), Using Mindfulness as a Teaching Aid for Phenomenology, Abstract PDF. IR Owen. Vol 8, No 1 (2008), Were Nietzsche's Cardinal Ideas – Delusions? Abstract PDF. Eva M Cybulska. Vol 12, No 1 (2012), What did you learn in school today? Abstract PDF. Carina Henriksson. Vol 5, No 1 (2005) ...

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    Items 51 - 100 of 265 ... Issue, Title. Vol 35, No 2 (2008), Choice of place for childbirth: prevalence and correlates of utilization of health facilities in Chongwe district, Zambia, Abstract PDF. AN Hazemba, S Siziya. Vol 43, No 1 (2016), Clinical and Radiological Features of Multiple Myeloma Patients at the University Teaching ...

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    Issue, Title. Vol 88, No 8 (1998), New birth and death registration forms - a foundation for the future, a challenge for health workers? Abstract PDF. Debbie Bradshaw, Danuta Kielkowski, Freddy Sitas. Vol 83, No 3 (1993), New estimates of infant and child mortality for blacks in South Africa, 1968-1979, Abstract PDF.

  3. Browse Title Index

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    Items 151 - 200 of 643 ... Issue, Title. Vol 18, No 2 (2015), Contraceptive Knowledge and Compliance with Guidelines for Providing Contraceptive Services by Patent Medicine Vendors In Ibadan North Local Government Area, Nigeria, Abstract PDF. OO Ajayi, AJ Ajuwon. Vol 16, No 2 (2013), Coping Strategy for Food Security ...

  4. Browse Title Index

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    Items 851 - 900 of 1006 ... Issue, Title. Vol 54, No 2 (2012), The effect of the introduction of a standard monitoring protocol on the investigations performed on the metabolic control of type 2 diabetes at Addington Hospital Medical Outpatients Department, Durban, South Africa, Abstract PDF. JM Gill, A Ross, F Pirie, ...

  5. Browse Title Index

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    Issue, Title. Vol 8, No 2 (2016): Supplement, Using operative models (ICF and CBR) within an interprofessional context to address community needs, Abstract PDF. A Rhoda, F Waggie, G.C. Filies, J.M. Frantz. Vol 2, No 1 (2010), Using portfolios to assess professional competence and development in medical laboratory ...

  6. Browse Title Index

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    Items 51 - 100 of 412 ... Issue, Title. Vol 30, No 3 (2011) ... Transferring the principle of double effect from war to business, Abstract. G. J. Rossouw ... Vol 22, No 2 (2003), Can more business ethics teaching halt corruption in companies? Abstract.

  7. Browse Title Index

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    Items 101 - 150 of 155 ... Issue, Title. Vol 12 (2012), Political Dissent and Autonomy in Wum Local Government, Southern (West) Cameroons, 1957 – 1968, Abstract. TP Mbeum. Vol 9 (2009), Post-Emancipation Slave Commerce: Increasing Child Slave Trafficking and Women's Agency in Late Nineteenth-century Ghana ...

  8. Browse Title Index

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    Items 451 - 500 of 581 ... Issue, Title. Vol 30, No 1 (2016), Risky sexual behaviour and associated factors among students of Debre Tabor University, Northwest Ethiopia: a cross-sectional study, Abstract PDF. Awoke Derbie, Mekonnen Assefa, Daniel Mekonnen, Fantahun Biadglegne. Vol 28, No 1 (2014), Road traffic accident: ...

  9. Browse Title Index

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    Items 451 - 500 of 1346 ... Issue, Title. Vol 32, No 1 (2015), Fire and the dynamics of two unpalatable grass species (Cymbopogon pospischilii and Elionurus muticus) in a semi-arid climate, Abstract. Hennie A Snyman. Vol 8, No 1 (1973), Fire as a method of controlling macchia (Fynos) vegetation on the Amathole Mountains of ...

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    Issue, Title. Vol 43, No 2 (2006), Review: "'n Wonderlike geweld. Jeugherinneringe", By Elsa Joubert (2005), Abstract PDF. Henriette Roos. Vol 53, No 1 (2016), Review: Breyten Breytenbach, A Monologue in Two Voices, Abstract PDF. Andy Carolin. Vol 53, No 1 (2016), Review: The Shadow of the Hummingbird, Abstract ...

  11. Browse Title Index

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    Items 51 - 100 of 103 ... Issue, Title ... SE Edusah, E Osei-Tutu ... Vol 6, No 2 (2016), Interrelationships among unemployment, inflation and economic growth in Nigeria, Abstract .... Vol 4, No 3 (2014): Special Edition, Socio-cultural Issues for ...

  12. Browse Title Index

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    Items 4351 - 4386 of 4386 ... Issue, Title. Vol 107, No 6 (2017), When students become patients: TB disease among medical undergraduates in Cape Town, South Africa, Abstract PDF. H van der Westhuizen, A Dramowski. Vol 106, No 4 (2016), Where do children die and what are the causes? Under-5 deaths in the Metro West ...

  13. Browse Title Index

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    Issue, Title. Vol 10, No 2 (2014), Sorindeia warneckei Engl. (Anacardiaceae), une espèce multi-usagère de la dépression de la Lama au Togo, Abstract PDF. A Akodewou, S Akpavi, M Dourma, K Batawila, KB Amegnaglo, W Atakpama, K Akpagama. Vol 10, No 1 (2014), Sterculia setigera Del.: influence de quelques ...

  14. Browse Title Index

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    Items 1 - 50 of 126 ... Issue, Title. Vol 8, No 2 (2016), 2010 FIFA World Cup stadium investment: Does the post-event usage justify the expenditure? Abstract PDF. Luke Humphrey, Gavin Fraser. Vol 6, No 1 (2014), 7Implication of mergers and acquisitions on stock returns before and during the 2007–2009 credit crunch: An ...

  15. Final technical report for project titled Quantitative Characterization of Cell Aggregation/Adhesion as Predictor for Distribution and Transport of Microorganisms in Subsurface Environment

    Energy Technology Data Exchange (ETDEWEB)

    Gu, April Z. [Northeastern Univ., Boston, MA (United States); Wan, Kai-tak [Northeastern Univ., Boston, MA (United States)

    2014-09-02

    This project aims to explore and develop enabling methodology and techniques for nano-scale characterization of microbe cell surface contact mechanics, interactions and adhesion quantities that allow for identification and quantification of indicative properties related to microorganism migration and transport behavior in porous media and in subsurface environments. Microbe transport has wide impact and therefore is of great interest in various environmental applications such as in situ or enhanced subsurface bioremediation,filtration processes for water and wastewater treatments and protection of drinking water supplies. Although great progress has been made towards understanding the identities and activities of these microorganisms in the subsurface, to date, little is known of the mechanisms that govern the mobility and transport of microorganisms in DOE’s contaminated sites, making the outcomes of in situ natural attenuation or contaminant stability enhancement unpredictable. Conventionally, movement of microorganisms was believed to follows the rules governing solute (particle) transport. However, recent studies revealed that cell surface properties, especially those pertaining to cell attachment/adhesion and aggregation behavior, can cause the microbe behavior to deviate from non-viable particles and hence greatly influence the mobility and distribution of microorganisms in porous media.This complexity highlights the need to obtain detailed information of cell-cell and cell-surface interactions in order to improve and refine the conceptual and quantitative model development for fate and transport of microorganisms and contaminant in subsurface. Traditional cell surface characterization methods are not sufficient to fully predict the deposition rates and transport behaviors of microorganism observed. A breakthrough of methodology that would allow for quantitative and molecular-level description of intrinsic cell surface properties indicative for cell

  16. Wyoming coal-conversion project. Final technical report, November 1980-February 1982. [Proposed WyCoalGas project, Converse County, Wyoming; contains list of appendices with title and identification

    Energy Technology Data Exchange (ETDEWEB)

    None

    1982-01-01

    This final technical report describes what WyCoalGas, Inc. and its subcontractors accomplished in resolving issues related to the resource, technology, economic, environmental, socioeconomic, and governmental requirements affecting a project located near Douglas, Wyoming for producing 150 Billion Btu per day by gasifying sub-bituminous coal. The report summarizes the results of the work on each task and includes the deliverables that WyCoalGas, Inc. and the subcontractors prepared. The co-venturers withdrew from the project for two reasons: federal financial assistance to the project was seen to be highly uncertain; and funds were being expended at an unacceptably high rate.

  17. Browse Title Index

    African Journals Online (AJOL)

    Vol 1, No 1 (2001), Mise en évidence d'un optimum de fines dans les sables ô béton: Exemple d'un sable des dunes de la région de Dakar ( Sénégal), Abstract. IK Cissé, M ... Vol 12 (2010), Modele electrique d'une pile a combustible « pem » pour utilisation electronique de puissance, Abstract. I Sadli, S Raël, B Davat, ...

  18. NOAA Optimum Interpolation (OI) SST V2

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The optimum interpolation (OI) sea surface temperature (SST) analysis is produced weekly on a one-degree grid. The analysis uses in situ and satellite SST's plus...

  19. On Optimum Safety Levels of Breakwaters

    DEFF Research Database (Denmark)

    Burcharth, Hans F.; Sørensen, John Dalsgaard

    2006-01-01

    The paper presents results from numerical simulations performed with the objective of identifying optimum design safety levels of conventional rubble mound and caisson breakwaters, corresponding to the lowest costs over the service life of the structures. The work is related to the PIANC Working...... Group 47 on "Selection of type of breakwater structures". The paper summaries results given in Burcharth and Sorensen (2005) related to outer rubble mound breakwaters but focus on optimum safety levels for outer caisson breakwaters on low and high rubble foundations placed on sea beds strong enough...... to resist geotechnical slip failures. Optimum safety levels formulated for use both in deterministic and probabilistic design procedures are given. Results obtained so far indicate that the optimum safety levels for caisson breakwaters are much higher than for rubble mound breakwaters....

  20. NOAA Daily Optimum Interpolation Sea Surface Temperature

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The NOAA 1/4° daily Optimum Interpolation Sea Surface Temperature (or daily OISST) is an analysis constructed by combining observations from different platforms...

  1. Optimum Stratification of a Skewed Population

    OpenAIRE

    D.K. Rao; M.G.M. Khan; K.G. Reddy

    2014-01-01

    The focus of this paper is to develop a technique of solving a combined problem of determining Optimum Strata Boundaries(OSB) and Optimum Sample Size (OSS) of each stratum, when the population understudy isskewed and the study variable has a Pareto frequency distribution. The problem of determining the OSB isformulated as a Mathematical Programming Problem (MPP) which is then solved by dynamic programming technique. A numerical example is presented to illustrate the compu...

  2. A methodology for selecting optimum organizations for space communities

    Science.gov (United States)

    Ragusa, J. M.

    1978-01-01

    This paper suggests that a methodology exists for selecting optimum organizations for future space communities of various sizes and purposes. Results of an exploratory study to identify an optimum hypothetical organizational structure for a large earth-orbiting multidisciplinary research and applications (R&A) Space Base manned by a mixed crew of technologists are presented. Since such a facility does not presently exist, in situ empirical testing was not possible. Study activity was, therefore, concerned with the identification of a desired organizational structural model rather than the empirical testing of it. The principal finding of this research was that a four-level project type 'total matrix' model will optimize the effectiveness of Space Base technologists. An overall conclusion which can be reached from the research is that application of this methodology, or portions of it, may provide planning insights for the formal organizations which will be needed during the Space Industrialization Age.

  3. Optimum burnup of BAEC TRIGA research reactor

    International Nuclear Information System (INIS)

    Lyric, Zoairia Idris; Mahmood, Mohammad Sayem; Motalab, Mohammad Abdul; Khan, Jahirul Haque

    2013-01-01

    Highlights: ► Optimum loading scheme for BAEC TRIGA core is out-to-in loading with 10 fuels/cycle starting with 5 for the first reload. ► The discharge burnup ranges from 17% to 24% of U235 per fuel element for full power (3 MW) operation. ► Optimum extension of operating core life is 100 MWD per reload cycle. - Abstract: The TRIGA Mark II research reactor of BAEC (Bangladesh Atomic Energy Commission) has been operating since 1986 without any reshuffling or reloading yet. Optimum fuel burnup strategy has been investigated for the present BAEC TRIGA core, where three out-to-in loading schemes have been inspected in terms of core life extension, burnup economy and safety. In considering different schemes of fuel loading, optimization has been searched by only varying the number of fuels discharged and loaded. A cost function has been defined and evaluated based on the calculated core life and fuel load and discharge. The optimum loading scheme has been identified for the TRIGA core, the outside-to-inside fuel loading with ten fuels for each cycle starting with five fuels for the first reload. The discharge burnup has been found ranging from 17% to 24% of U235 per fuel element and optimum extension of core operating life is 100 MWD for each loading cycle. This study will contribute to the in-core fuel management of TRIGA reactor

  4. Optimum Tilt Angle at Tropical Region

    Directory of Open Access Journals (Sweden)

    S Soulayman

    2015-02-01

    Full Text Available : One of the important parameters that affect the performance of a solar collector is its tilt angle with the horizon. This is because of the variation of tilt angle changes the amount of solar radiation reaching the collector surface. Meanwhile, is the rule of thumb, which says that solar collector Equator facing position is the best, is valid for tropical region? Thus, it is required to determine the optimum tilt as for Equator facing and for Pole oriented collectors. In addition, the question that may arise: how many times is reasonable for adjusting collector tilt angle for a definite value of surface azimuth angle? A mathematical model was used for estimating the solar radiation on a tilted surface, and to determine the optimum tilt angle and orientation (surface azimuth angle for the solar collector at any latitude. This model was applied for determining optimum tilt angle and orientation in the tropical zones, on a daily basis, as well as for a specific period. The optimum angle was computed by searching for the values for which the radiation on the collector surface is a maximum for a particular day or a specific period. The results reveal that changing the tilt angle 12 times in a year (i.e. using the monthly optimum tilt angle maintains approximately the total amount of solar radiation near the maximum value that is found by changing the tilt angle daily to its optimum value. This achieves a yearly gain in solar radiation of 11% to 18% more than the case of a solar collector fixed on a horizontal surface.

  5. Optimum Identification Method of Sorting Green Household Waste

    Directory of Open Access Journals (Sweden)

    Daud Mohd Hisam

    2016-01-01

    Full Text Available This project is related to design of sorting facility for reducing, reusing, recycling green waste material, and in particular to invent an automatic system to distinguish household waste in order to separate them from the main waste stream. The project focuses on thorough analysis of the properties of green household waste. The method of identification is using capacitive sensor where the characteristic data taken on three different sensor drive frequency. Three types of material have been chosen as a medium of this research, to be separated using the selected method. Based on capacitance characteristics and its ability to penetrate green object, optimum identification method is expected to be recognized in this project. The output capacitance sensor is in analogue value. The results demonstrate that the information from the sensor is enough to recognize the materials that have been selected.

  6. Common Core: Teaching Optimum Topic Exploration (TOTE)

    Science.gov (United States)

    Karge, Belinda Dunnick; Moore, Roxane Kushner

    2015-01-01

    The Common Core has become a household term and yet many educators do not understand what it means. This article explains the historical perspectives of the Common Core and gives guidance to teachers in application of Teaching Optimum Topic Exploration (TOTE) necessary for full implementation of the Common Core State Standards. An effective…

  7. Optimum fiber distribution in singlewall corrugated fiberboard

    Science.gov (United States)

    Millard W. Johnson; Thomas J. Urbanik; William E. Denniston

    1979-01-01

    Determining optimum distribution of fiber through rational design of corrugated fiberboard could result in significant reductions in fiber required to meet end-use conditions, with subsequent reductions in price pressure and extension of the softwood timber supply. A theory of thin plates under large deformations is developed that is both kinematically and physically...

  8. Calculations enable optimum design of magnetic brake

    Science.gov (United States)

    Kosmahl, H. G.

    1966-01-01

    Mathematical analysis and computations determine optimum magnetic coil configurations for a magnetic brake which controllably decelerates a free falling load to a soft stop. Calculations on unconventionally wound coils determine the required parameters for the desired deceleration with minimum electrical energy supplied to the stationary coil.

  9. Genotype x environment interaction and optimum resource ...

    African Journals Online (AJOL)

    ... x E) interaction and to determine the optimum resource allocation for cassava yield trials. The effects of environment, genotype and G x E interaction were highly significant for all yield traits. Variations due to G x E interaction were greater than those due to genotypic differences for all yield traits. Genotype x location x year ...

  10. Determination of the Optimum Thickness of Approximately ...

    African Journals Online (AJOL)

    In an attempt to conserve the world's scarce energy and material resources, a balance between the cost of heating a material and the optimum thickness of the material becomes vey essential. One of such materials is the local cast aluminium pot commonly used as cooking ware in Nigeria. This paper therefore sets up a ...

  11. Development of the optimum rotor theories

    DEFF Research Database (Denmark)

    Okulov, Valery; Sørensen, Jens Nørkær; van Kuik, Gijs A.M.

    The purpose of this study is the examination of optimum rotor theories with ideal load distributions along the blades, to analyze some of the underlying ideas and concepts, as well as to illuminate them. The book gives the historical background of the issue and presents the analysis of the problems...

  12. Browse Title Index

    African Journals Online (AJOL)

    Results of a Hand Hygiene Quality Improvement Project Conducted At University .... Vol 83, No 6 (2006):, Sildenafil in management of persistent pulmonary ... Vol 82, No 1 (2005):, Socio-Demographic Correlates Of Bipolar Disorder In Butajira, ...

  13. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 94 ... Vol 10, No 1-2 (2010), A Survey of Records Management Practices ... and Students of School of Management and Information Technology .... Information Skills for Special Needs Learners Through project work, Abstract PDF.

  14. Browse Title Index

    African Journals Online (AJOL)

    Items 101 - 150 of 255 ... Vol 8, No 1 (2016), Feedback as a means to improve clinical competencies: ... Impact of a quality improvement project to strengthen infection prevention and control training at rural healthcare facilities, Abstract PDF.

  15. Browse Title Index

    African Journals Online (AJOL)

    Items 301 - 350 of 364 ... Vol 31 (2015), The Listening Train: A Collaborative, Connective ... from a Zimbabwean research project in environmental education ... Vol 19 (1999), The use of indigenous plants as food by a rural community in the ...

  16. Optimum Operational Parameters for Yawed Wind Turbines

    Directory of Open Access Journals (Sweden)

    David A. Peters

    2011-01-01

    Full Text Available A set of systematical optimum operational parameters for wind turbines under various wind directions is derived by using combined momentum-energy and blade-element-energy concepts. The derivations are solved numerically by fixing some parameters at practical values. Then, the interactions between the produced power and the influential factors of it are generated in the figures. It is shown that the maximum power produced is strongly affected by the wind direction, the tip speed, the pitch angle of the rotor, and the drag coefficient, which are specifically indicated by figures. It also turns out that the maximum power can take place at two different optimum tip speeds in some cases. The equations derived herein can also be used in the modeling of tethered wind turbines which can keep aloft and deliver energy.

  17. OPTIMUM PROGRAMMABLE CONTROL OF UNMANNED FLYING VEHICLE

    Directory of Open Access Journals (Sweden)

    A. А. Lobaty

    2012-01-01

    Full Text Available The paper considers an analytical synthesis problem pertaining to programmable control of an unmanned flying vehicle while steering it to the fixed space point. The problem has been solved while applying a maximum principle which takes into account a final control purpose and its integral expenses. The paper presents an optimum law of controlling overload variation of a flying vehicle that has been obtained analytically

  18. Techniques for evaluating optimum data center operation

    Science.gov (United States)

    Hamann, Hendrik F.; Rodriguez, Sergio Adolfo Bermudez; Wehle, Hans-Dieter

    2017-06-14

    Techniques for modeling a data center are provided. In one aspect, a method for determining data center efficiency is provided. The method includes the following steps. Target parameters for the data center are obtained. Technology pre-requisite parameters for the data center are obtained. An optimum data center efficiency is determined given the target parameters for the data center and the technology pre-requisite parameters for the data center.

  19. Probabilistic studies for safety at optimum cost

    International Nuclear Information System (INIS)

    Pitner, P.

    1999-01-01

    By definition, the risk of failure of very reliable components is difficult to evaluate. How can the best strategies for in service inspection and maintenance be defined to limit this risk to an acceptable level at optimum cost? It is not sufficient to design structures with margins, it is also essential to understand how they age. The probabilistic approach has made it possible to develop well proven concepts. (author)

  20. The optimum lead thickness for lead-activation detectors

    International Nuclear Information System (INIS)

    Si Fenni; Hu Qingyuan

    2009-01-01

    The optimum lead thickness for lead-activation detectors has been studied in this paper. First existence of the optimum lead thickness is explained theoretically. Then the optimum lead thickness is obtained by two methods, MCNP5 calculation and mathematical estimation. At last factors which affect the optimum lead thickness are discussed. It turns out that the optimum lead thickness is irrelevant to incident neutron energies. It is recommended 2.5 cm generally.

  1. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 127 ... Vol 5, No 1 (2013), A Project-based Learning approach for teaching Robotics to ... Vol 7, No 2 (2015), Academic Staff Development and Output in State Universities in ... Attitudes of Nigerian Students and Teachers towards the Teaching ... Competencies in Science and Mathematics Teaching: Experiences ...

  2. Browse Title Index

    African Journals Online (AJOL)

    Items 51 - 100 of 155 ... M Ghasemi. Vol 12, No 1 (1997), "I'm afraid of it": a drama for AIDS awareness project in Botswana, Abstract ... Vol 17, No 1 (2007), Phonological sensitivity of selected NTA newscasters to sound-spelling discrepancy in English and its implications for Oral English Teaching in Nigeria, Abstract. T Soneye.

  3. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 1385 ... Journal of Applied Sciences and Environmental Management. ... on Risk Management Approach during Project Implementation, Abstract PDF ... Terminals of Some Oil Industry Facilities in Nigeria, Abstract PDF ... Vol 19, No 1 (2015), Assessment of Public Perspectives on Quality Control Measures in ...

  4. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 298 ... Vol 19, No 1 (2011), Humic Substances and Mineral Elements Contents of White ... Vol 23, No 1 (2015), Interaction Effect of Season, Habitat and Leaf Age on ... Vol 19, No 2 (2011), Lead and Cadmium Levels of Five ... (LFA): An Essential Tool for Designing Agricultural Project Evaluation, Abstract PDF.

  5. Browse Title Index

    African Journals Online (AJOL)

    Items 151 - 200 of 359 ... Vol 16, No 2 (2016), Effects of the European Union Micro Project Programme on the poverty status of food crop farmers in Imo State, Nigeria, Abstract PDF ... Vol 11, No 1 (2011), Evaluation of Price Linkages within the Supply Chain of Rice Markets in Cross River State, Nigeria, Abstract PDF. SB Ohen ...

  6. Browse Title Index

    African Journals Online (AJOL)

    Vol 8, No 2 (2016): Special Issue: Part 3, The role of tourism industry in the GDP ... Vol 9, No 2S (2017): Special Issue, The study on the economic fertilizer ... option valuation method to rank Giga Investment Projects on Iran's natural ... of terminal complex water in the Wadi Righ Valley Area (Southern Algeria), Abstract PDF.

  7. Browse Title Index

    African Journals Online (AJOL)

    Items 201 - 219 of 219 ... Vol 5 (2014), Understanding the legal fundamentals of project finance contracts, Abstract PDF. Grace Chinyere Young. Vol 7 (2016), Unfair dismissal in Nigeria: Imperative for a departure from the common law, Abstract PDF. Emmanuel OC Obidimma, MI Anushiem, UMJ Ekeneme. Vol 6 (2015), United ...

  8. 32 CFR 644.62 - Title evidence.

    Science.gov (United States)

    2010-07-01

    ... HANDBOOK Acquisition Procurement of Title Evidence, Title Clearance, and Closings § 644.62 Title evidence... and their charter to issue the same. They must also be financially sound and be willing and able to...

  9. Region 7 Title V facilities

    Data.gov (United States)

    U.S. Environmental Protection Agency — This web map shows the Region 7 Title V facilities (Clean Air Act major sources), any Class I areas within 300 km of R7 States, and any Tribal areas within 50 miles...

  10. Title V Permitting Statistics Inventory

    Data.gov (United States)

    U.S. Environmental Protection Agency — The Title V Permitting Statistics Inventory contains measured and estimated nationwide statistical data, consisting of counts of permitted sources, types of permits...

  11. Thermal Comfort and Optimum Humidity Part 1

    Directory of Open Access Journals (Sweden)

    M. V. Jokl

    2002-01-01

    Full Text Available The hydrothermal microclimate is the main component in indoor comfort. The optimum hydrothermal level can be ensured by suitable changes in the sources of heat and water vapor within the building, changes in the environment (the interior of the building and in the people exposed to the conditions inside the building. A change in the heat source and the source of water vapor involves improving the heat - insulating properties and the air permeability of the peripheral walls and especially of the windows. The change in the environment will bring human bodies into balance with the environment. This can be expressed in terms of an optimum or at least an acceptable globe temperature, an adequate proportion of radiant heat within the total amount of heat from the environment (defined by the difference between air and wall temperature, uniform cooling of the human body by the environment, defined a by the acceptable temperature difference between head and ankles, b by acceptable temperature variations during a shift (location unchanged, or during movement from one location to another without a change of clothing. Finally, a moisture balance between man and the environment is necessary (defined by acceptable relative air humidity. A change for human beings means a change of clothes which, of course, is limited by social acceptance in summer and by inconvenient heaviness in winter. The principles of optimum heating and cooling, humidification and dehumidification are presented in this paper.Hydrothermal comfort in an environment depends on heat and humidity flows (heat and water vapors, occurring in a given space in a building interior and affecting the total state of the human organism.

  12. Thermal Comfort and Optimum Humidity Part 2

    Directory of Open Access Journals (Sweden)

    M. V. Jokl

    2002-01-01

    Full Text Available The hydrothermal microclimate is the main component in indoor comfort. The optimum hydrothermal level can be ensured by suitable changes in the sources of heat and water vapor within the building, changes in the environment (the interior of the building and in the people exposed to the conditions inside the building. A change in the heat source and the source of water vapor involves improving the heat - insulating properties and the air permeability of the peripheral walls and especially of the windows. The change in the environment will bring human bodies into balance with the environment. This can be expressed in terms of an optimum or at least an acceptable globe temperature, an adequate proportion of radiant heat within the total amount of heat from the environment (defined by the difference between air and wall temperature, uniform cooling of the human body by the environment, defined a by the acceptable temperature difference between head and ankles, b by acceptable temperature variations during a shift (location unchanged, or during movement from one location to another without a change of clothing. Finally, a moisture balance between man and the environment is necessary (defined by acceptable relative air humidity. A change for human beings means a change of clothes which, of course, is limited by social acceptance in summer and by inconvenient heaviness in winter. The principles of optimum heating and cooling, humidification and dehumidification are presented in this paper.Hydrothermal comfort in an environment depends on heat and humidity flows (heat and water vapors, occurring in a given space in a building interior and affecting the total state of the human organism.

  13. Design issues for optimum solar cell configuration

    Science.gov (United States)

    Kumar, Atul; Thakur, Ajay D.

    2018-05-01

    A computer based simulation of solar cell structure is performed to study the optimization of pn junction configuration for photovoltaic action. The fundamental aspects of photovoltaic action viz, absorption, separation collection, and their dependence on material properties and deatails of device structures is discussed. Using SCAPS 1D we have simulated the ideal pn junction and shown the effect of band offset and carrier densities on solar cell performance. The optimum configuration can be achieved by optimizing transport of carriers in pn junction under effect of field dependent recombination (tunneling) and density dependent recombination (SRH, Auger) mechanisms.

  14. Carbon sequestration, optimum forest rotation and their environmental impact

    Energy Technology Data Exchange (ETDEWEB)

    Kula, Erhun, E-mail: erhun.kula@bahcesehir.edu.tr [Department of Economics, Bahcesehir University, Besiktas, Istanbul (Turkey); Gunalay, Yavuz, E-mail: yavuz.gunalay@bahcesehir.edu.tr [Department of Business Studies, Bahcesehir University, Besiktas, Istanbul (Turkey)

    2012-11-15

    Due to their large biomass forests assume an important role in the global carbon cycle by moderating the greenhouse effect of atmospheric pollution. The Kyoto Protocol recognises this contribution by allocating carbon credits to countries which are able to create new forest areas. Sequestrated carbon provides an environmental benefit thus must be taken into account in cost-benefit analysis of afforestation projects. Furthermore, like timber output carbon credits are now tradable assets in the carbon exchange. By using British data, this paper looks at the issue of identifying optimum felling age by considering carbon sequestration benefits simultaneously with timber yields. The results of this analysis show that the inclusion of carbon benefits prolongs the optimum cutting age by requiring trees to stand longer in order to soak up more CO{sub 2}. Consequently this finding must be considered in any carbon accounting calculations. - Highlights: Black-Right-Pointing-Pointer Carbon sequestration in forestry is an environmental benefit. Black-Right-Pointing-Pointer It moderates the problem of global warming. Black-Right-Pointing-Pointer It prolongs the gestation period in harvesting. Black-Right-Pointing-Pointer This paper uses British data in less favoured districts for growing Sitka spruce species.

  15. Carbon sequestration, optimum forest rotation and their environmental impact

    International Nuclear Information System (INIS)

    Kula, Erhun; Gunalay, Yavuz

    2012-01-01

    Due to their large biomass forests assume an important role in the global carbon cycle by moderating the greenhouse effect of atmospheric pollution. The Kyoto Protocol recognises this contribution by allocating carbon credits to countries which are able to create new forest areas. Sequestrated carbon provides an environmental benefit thus must be taken into account in cost–benefit analysis of afforestation projects. Furthermore, like timber output carbon credits are now tradable assets in the carbon exchange. By using British data, this paper looks at the issue of identifying optimum felling age by considering carbon sequestration benefits simultaneously with timber yields. The results of this analysis show that the inclusion of carbon benefits prolongs the optimum cutting age by requiring trees to stand longer in order to soak up more CO 2 . Consequently this finding must be considered in any carbon accounting calculations. - Highlights: ► Carbon sequestration in forestry is an environmental benefit. ► It moderates the problem of global warming. ► It prolongs the gestation period in harvesting. ► This paper uses British data in less favoured districts for growing Sitka spruce species.

  16. Projectables

    DEFF Research Database (Denmark)

    Rasmussen, Troels A.; Merritt, Timothy R.

    2017-01-01

    CNC cutting machines have become essential tools for designers and architects enabling rapid prototyping, model-building and production of high quality components. Designers often cut from new materials, discarding the irregularly shaped remains. We introduce ProjecTables, a visual augmented...... reality system for interactive packing of model parts onto sheet materials. ProjecTables enables designers to (re)use scrap materials for CNC cutting that would have been previously thrown away, at the same time supporting aesthetic choices related to wood grain, avoiding surface blemishes, and other...... relevant material properties. We conducted evaluations of ProjecTables with design students from Aarhus School of Architecture, demonstrating that participants could quickly and easily place and orient model parts reducing material waste. Contextual interviews and ideation sessions led to a deeper...

  17. REGARDING "TRAGIC ECONOMIC OPTIMUM" FROM HOLISTIC+ PERSPECTIVE

    Directory of Open Access Journals (Sweden)

    Constantin Popescu

    2010-12-01

    Full Text Available Communication aims to discuss the new scientific vision of "the entire integrated" as it follows the recent achievements of quantum physics, psychology and biology. From this perspective, economy is seen as a living organism, part of the social organism and together with de bright ecology. The optimum of the economy as a living organism is based on dynamic compatibilities with all common living requirements. The evolution of economic life is organically linked to the unavoidable circumstances contained in the form of V. Frankl ‘s tragic triad consisting of: pain, guilt and death. In interaction with the holistic triad circumscribed by limitations, uncertainties and open interdependencies, the tragic economic optimum (TEO is formed. It can be understood as that state of economic life in which freedom of choice of scarce resources under uncertainty has in the compatibility of rationality and hope the development criteria of MEANING. TEO means to say YES to economic life even in conditions of resource limitations, bankruptcies and unemployment, negative externalities, stress, etc. By respiritualization of responsibility using scientific knowledge. TEO - involves multicriteria modeling of economic life by integrating human demands, community, environmental, spiritual and business development in the assessment predicting human GDP as a variable wave aggregate.

  18. The Texts of the Instruments Concerning the Agency's Assistance to Chile for the Establishment of a Research Reactor Project. Extensions of Lease under the Supply Agreement and a Title Transfer Agreement

    International Nuclear Information System (INIS)

    1975-01-01

    On 25 February 1971 and again on 16 January 1974 the Agency and the Governments of Chile and the United States of America extended by letters of agreement the date set in Section 4 of the Supply Agreement reproduced in document INFCIRC/137 for the termination of Chile's lease of the enriched uranium to which that Agreement applied; on the second occasion the extension ran until 31 December 1974. On that date a Title Transfer Agreement between the three Parties covering the enriched uranium in question entered into force, the text of which is reproduced herein for the information of all Members.

  19. A Decision Support System for Optimum Use of Fertilizers

    Energy Technology Data Exchange (ETDEWEB)

    R. L. Hoskinson; J. R. Hess; R. K. Fink

    1999-07-01

    The Decision Support System for Agriculture (DSS4Ag) is an expert system being developed by the Site-Specific Technologies for Agriculture (SST4Ag) precision farming research project at the INEEL. DSS4Ag uses state-of-the-art artificial intelligence and computer science technologies to make spatially variable, site-specific, economically optimum decisions on fertilizer use. The DSS4Ag has an open architecture that allows for external input and addition of new requirements and integrates its results with existing agricultural systems' infrastructures. The DSS4Ag reflects a paradigm shift in the information revolution in agriculture that is precision farming. We depict this information revolution in agriculture as an historic trend in the agricultural decision-making process.

  20. A Decision Support System for Optimum Use of Fertilizers

    Energy Technology Data Exchange (ETDEWEB)

    Hoskinson, Reed Louis; Hess, John Richard; Fink, Raymond Keith

    1999-07-01

    The Decision Support System for Agriculture (DSS4Ag) is an expert system being developed by the Site-Specific Technologies for Agriculture (SST4Ag) precision farming research project at the INEEL. DSS4Ag uses state-of-the-art artificial intelligence and computer science technologies to make spatially variable, site-specific, economically optimum decisions on fertilizer use. The DSS4Ag has an open architecture that allows for external input and addition of new requirements and integrates its results with existing agricultural systems’ infrastructures. The DSS4Ag reflects a paradigm shift in the information revolution in agriculture that is precision farming. We depict this information revolution in agriculture as an historic trend in the agricultural decision-making process.

  1. Optimum community energy storage system for demand load shifting

    International Nuclear Information System (INIS)

    Parra, David; Norman, Stuart A.; Walker, Gavin S.; Gillott, Mark

    2016-01-01

    Highlights: • PbA-acid and lithium-ion batteries are optimised up to a 100-home community. • A 4-period real-time pricing and Economy 7 (2-period time-of-use) are compared. • Li-ion batteries perform worse with Economy 7 for small communities and vice versa. • The community approach reduced the levelised cost by 56% compared to a single home. • Heat pumps reduced the levelised cost and increased the profitability of batteries. - Abstract: Community energy storage (CES) is becoming an attractive technological option to facilitate the use of distributed renewable energy generation, manage demand loads and decarbonise the residential sector. There is strong interest in understanding the techno-economic benefits of using CES systems, which energy storage technology is more suitable and the optimum CES size. In this study, the performance including equivalent full cycles and round trip efficiency of lead-acid (PbA) and lithium-ion (Li-ion) batteries performing demand load shifting are quantified as a function of the size of the community using simulation-based optimisation. Two different retail tariffs are compared: a time-of-use tariff (Economy 7) and a real-time-pricing tariff including four periods based on the electricity prices on the wholesale market. Additionally, the economic benefits are quantified when projected to two different years: 2020 and a hypothetical zero carbon year. The findings indicate that the optimum PbA capacity was approximately twice the optimum Li-ion capacity in the case of the real-time-pricing tariff and around 1.6 times for Economy 7 for any community size except a single home. The levelised cost followed a negative logarithmic trend while the internal rate of return followed a positive logarithmic trend as a function of the size of the community. PbA technology reduced the levelised cost down to 0.14 £/kW h when projected to the year 2020 for the retail tariff Economy 7. CES systems were sized according to the demand load and

  2. Research on decommissioning of nuclear facilities 2. Study on optimum scenario using the AHP (Joint research)

    International Nuclear Information System (INIS)

    Shibahara, Yuji; Morishita, Yoshitsugu; Ishigami, Tsutomu; Yanagihara, Satoshi; Arita, Yuji

    2013-01-01

    To implement a decommissioning project reasonably, it is necessary and important to calculate project management data beforehand as well as to select an optimum dismantling scenario among various scenarios postulated. Little study on the subject of selecting an optimum scenario has been carried out, and it is one of the most important issues in terms of decision making. In FY 2009, Japan Atomic Energy Agency and University of Fukui launched the joint research of a decision making method which is important to determine a decommissioning plan. The purpose of this research is to formulate a methodology for selecting an optimum dismantling scenario among various scenarios postulated based on calculated results of project management data for FUGEN. Project management data for several dismantling scenarios postulated at FUGEN were evaluated based on actual dismantling work for feedwater heater at FUGEN, and an optimum scenario was discussed using the AHP, one of Multi-Criteria Decision Analysis Methods. This report describes the results of the joint research in FY 2010. (author)

  3. Optimum design of nonimaging Fresnel lens; Hiketsuzo fureneru renzu no saiteki sekkei

    Energy Technology Data Exchange (ETDEWEB)

    Leutz, R.; Komai, K.; Akisawa, A.; Kashiwagi, T. [Tokyo University of Agriculture and Technology, Tokyo (Japan); Suzuki, A. [Unesco, Paris (France). Associations in Japan

    1999-11-25

    An optimum convex shaped nonimaging Fresnel lens is designed following the edge ray principle. The lens is evaluated by tracing rays and calculating a projective optical concentration ratio. This Fresnel lens can used as concentrator in photovoltaic and solar thermal applications. (author)

  4. Optimum dispatching by using evolutionary programming; Despacho optimo utilizando programacao evolucionaria

    Energy Technology Data Exchange (ETDEWEB)

    Proenca, Luis Miguel; Pinto, Joao Luis; Matos, Manuel Antonio [Instituto de Engenharia de Sistemas e Computadores (INESC), Porto (Portugal). E-mail: lproenca@inescn.pt; jpinto@duque.inescn.pt; mmatos@inescn.pt

    1999-07-01

    This paper presents a methodology for solving the problem of the optimum dispatching based on the Evolutionary Programming. Also, a software module is described which is based on this integrated approach, integrated in a real system for power systems control and having a high contribution from renewable resources, in the framework of the CARE European project.

  5. Design chart of optimum current leads

    International Nuclear Information System (INIS)

    Ishibashi, K.; Katase, A.; Maechata, K.

    1986-01-01

    The heat flow through current leads is one of major heat losses in a superconducting magnet system. To reduce the heat flow, current leads have been optimized in a complex way by varying such quantities as conductor length, cross-sectional area, heat transfer coefficient and cooling perimeter. Therefore, this study is made to simplify the design procedure, and to explain the general characteristics of the current leads. A new combined parameter which takes turbulent flow into account is introduced in the present work to enable us to draw a useful design chart. This chart gives, to a wide variety of current leads, detailed information about the optimum design-viz. geometric dimensions, heat flow into liquid helium, and pressure drop of the cooling gas. Change of the cross-sectional area along the conductor may improve the current lead performance. The effects of this area change are examined in detail

  6. Optimum Maintenance Strategies for Highway Bridges

    DEFF Research Database (Denmark)

    Frangopol, Dan M.; Thoft-Christensen, Palle; Das, Parag C.

    As bridges become older and maintenance costs become higher, transportation agencies are facing challenges related to implementation of optimal bridge management programs based on life cycle cost considerations. A reliability-based approach is necessary to find optimal solutions based on minimum...... expected life-cycle costs or maximum life-cycle benefits. This is because many maintenance activities can be associated with significant costs, but their effects on bridge safety can be minor. In this paper, the program of an investigation on optimum maintenance strategies for different bridge types...... is described. The end result of this investigation will be a general reliability-based framework to be used by the UK Highways Agency in order to plan optimal strategies for the maintenance of its bridge network so as to optimize whole-life costs....

  7. Optimum design of a nuclear heat supply

    International Nuclear Information System (INIS)

    Borel, J.P.

    1984-01-01

    This paper presents an economic analysis for the optimum design of a nuclear heat supply to a given district-heating network. First, a general description of the system is given, which includes a nuclear power plant, a heating power plant and a district-heating network. The heating power plant is fed with steam from the nuclear power plant. It is assumed that the heating network is already in operation and that the nuclear power plant was previously designed to supply electricity. Second, a technical definition of the heat production and transportation installations is given. The optimal power of these installations is examined. The main result is a relationship between the network capacity and the level of the nuclear heat supply as a substitute for oil under the best economic conditions. The analysis also presents information for choosing the best operating mode. Finally, the heating power plant is studied in more detail from the energy, technical and economic aspects. (author)

  8. Optimum utilisation of the uranium resource

    International Nuclear Information System (INIS)

    Ion, S. E.; Wilson, P.D.

    1998-01-01

    The nuclear industry faces many challenges, notably to maximise safety, secure an adequate energy supply, manage wastes satisfactorily and achieve political acceptability. One way forward is to optimise together the various interdependent stages of the fuel cycle - the now familiar 'holistic approach'. Many of the issues will demand large R and D expenditure, most effectively met through international collaboration. Sustainable development requires optimum utilisation of energy potential, to which the most accessible key is recycling uranium and the plutonium bred from it. Realising anything like this full potential requires fast-neutron reactors, and therefore BNFL continues to sustain the UK involvement in their international development. Meanwhile, current R and D programmes must aim to make the nuclear option more competitive against fossil resources, while maintaining and developing the necessary skills for more advanced technologies The paper outlines the strategies being pursued and highlights BNFL 's programmes. (author)

  9. Designing and Validating Ternary Pd Alloys for Optimum Sulfur/Carbon Resistance in Hydrogen Separation and Carbon Capture Membrane Systems Using High-Throughput Combinatorial Methods

    Energy Technology Data Exchange (ETDEWEB)

    Lewis, Amanda [Pall Corporation, Port Washington, NY (United States); Zhao, Hongbin [Pall Corporation, Port Washington, NY (United States); Hopkins, Scott [Pall Corporation, Port Washington, NY (United States)

    2014-12-01

    This report summarizes the work completed under the U.S. Department of Energy Project Award No.: DE-FE0001181 titled “Designing and Validating Ternary Pd Alloys for Optimum Sulfur/Carbon Resistance in Hydrogen Separation and Carbon Capture Membrane Systems Using High-Throughput Combinatorial Methods.” The project started in October 1, 2009 and was finished September 30, 2014. Pall Corporation worked with Cornell University to sputter and test palladium-based ternary alloys onto silicon wafers to examine many alloys at once. With the specialized equipment at Georgia Institute of Technology that analyzed the wafers for adsorbed carbon and sulfur species six compositions were identified to have resistance to carbon and sulfur species. These compositions were deposited on Pall AccuSep® supports by Colorado School of Mines and then tested in simulated synthetic coal gas at the Pall Corporation. Two of the six alloys were chosen for further investigations based on their performance. Alloy reproducibility and long-term testing of PdAuAg and PdZrAu provided insight to the ability to manufacture these compositions for testing. PdAuAg is the most promising alloy found in this work based on the fabrication reproducibility and resistance to carbon and sulfur. Although PdZrAu had great initial resistance to carbon and sulfur species, the alloy composition has a very narrow range that hindered testing reproducibility.

  10. Project subsidized by the Sunshine Project in fiscal 1982. Report on achievements in the project commissioned from NEDO - development of a hot water utilizing power generation plant and development of a binary cycle power generation plant (Researches on corrosion preventive measures and the cycle optimum for the plant); 1982 nendo nessui riyo hatsuden plant no kaihatsu seika hokokusho. Binary cycle hatsuden plant no kaihatsu (fushoku taisaku no kenkyu oyobi plant saiteki cycle no kenkyu)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1983-03-01

    As the element research on a 10-MW class geothermal binary cycle power plant to be built in the coming term, researches were made on corrosion preventive measures and the cycle optimum for the plant. This paper reports the achievements in fiscal 1982. In the research on corrosion preventive measures, different kinds of materials were buried in three locations having different soil natures to study corrosion due to soil. The corrosion rate of heat conducting pipes using the heat media R114 was estimated as very small as 1/40 of the corrosion rate in geothermal waters. In the research on the cycle optimum for the plant, experimental research was performed on thermo-dynamic properties and thermal stability of the mixed media using R114 as the main component. As a result, the R114/R112 system was found to have higher pressure than R114, but the media circulation amount is less, and the output at the power transmission terminal increased by 5 to 10%. The system showed the most excellent heat cycle characteristics. In the research of building a power plant installed with two different power generation systems, a computer program was prepared that calculates heat balances all at once for the case of installing a geothermal binary cycle power plant in a geothermal steam power plant. (NEDO)

  11. 23 CFR 505.17 - Applicability of Title 23, U.S. Code.

    Science.gov (United States)

    2010-04-01

    ... 23 Highways 1 2010-04-01 2010-04-01 false Applicability of Title 23, U.S. Code. 505.17 Section 505... INFRASTRUCTURE MANAGEMENT PROJECTS OF NATIONAL AND REGIONAL SIGNIFICANCE EVALUATION AND RATING § 505.17 Applicability of Title 23, U.S. Code. Funds made available to carry out this section shall be available for...

  12. Videos Designed to Watch but Audience Required Telling stories is a cliché for best practice in videos. Frontier Scientists, a NSF project titled Science in Alaska: using Multimedia to Support Science Education stressed story but faced audience limitations. FS describes project's story process, reach results, and hypothesizes better scenarios.

    Science.gov (United States)

    O'Connell, E. A.

    2016-12-01

    Telling stories is a cliché for best practice in science videos. It's upheld as a method to capture audience attention in many fields. Findings from neurobiology research show character-driven stories cause the release of the neurochemical oxytocin in the brain. Oxytocin motivates cooperation with others and enhances a sense of empathy, in particular the ability to experience others' emotions. Developing character tension- as in our video design showcasing scientists along with their work- holds the viewers' attention, promotes recall of story, and has the potential to clearly broadcast the feelings and behaviors of the scientists. The brain chemical change should help answer the questions: Why should a viewer care about this science? How does it improve the world, or our lives? Is just a story-driven video the solution to science outreach? Answer: Not in our multi-media world. Frontier Scientists (FS) discovered in its three year National Science Foundation project titled 'Science in Alaska: using Multimedia to Support Science Education': the storied video is only part of the effort. Although FS created from scratch and drove a multimedia national campaign throughout the project, major reach was not achieved. Despite FS' dedicated web site, YouTube channel, weekly blog, monthly press release, Facebook and G+ pages, Twitter activity, contact with scientists' institutions, and TV broadcast, monthly activity on the web site seemed to plateau at about 3000 visitors to the FS website per month. Several factors hampered the effort: Inadequate funding for social media limited the ability of FS to get the word to untapped markets: those whose interest might be sparked by ad campaigns but who do not actively explore unfamiliar agencies' science education content. However, when institutions took advantage of promoting their scientists through the FS videos we saw an uptick in video views and the participating scientists were often contacted for additional stories or were

  13. INIS: Authority List for Journal Titles

    International Nuclear Information System (INIS)

    1992-01-01

    This is the nineteenth revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). It lists 10,797 journal titles which have contained articles within the scope of INIS. The purpose of this Authority List is to provide descriptive cataloguers with a standard abbreviation for journal titles and to assist users of INIS products with a tool for verifying the full title of a journal. A journal, or periodical, is generally published within a defined, fixed interval between issues, which usually has more than one issue a year, and which usually includes a mixture of articles, letters, summaries, etc. Within this definition, annuals such as Annual Review of Nuclear Science are included. Series titles as, for example the McGraw-Hill Series in Nuclear Engineering, are not included in this Authority. Entries: Each entry consists of: - the full journal title (highlighted); - the abbreviated title; - ISSN, if available; - CODEN, if available; - additional information related to the journal title. Arrangement: In Part I, the full journal titles are grouped by country or international organization name and ordered alphabetically, followed by the ISSN, the CODEN in square brackets if available, and then the abbreviated title. The abbreviated title is based on the rules of ISO 4: Documentation - International Code for the Abbreviation of Titles of Periodicals. The abbreviations of the words are taken from the ISDS List of Periodical Title Word Abbreviation. In Part II, the order of the citations is reversed: the abbreviated journal titles are arranged alphabetically, followed by country code. Then the full journal titles are followed by the country of publication, and if available, ISSN and CODEN. Additional Information: There is important information related to the journal titles which are fundamental for tracing the history of the title and the present status. They are listed below and are entered whenever applicable: - Ceased publication; - Superseded by

  14. An Optimum Solution for Electric Power Theft

    Directory of Open Access Journals (Sweden)

    Aamir Hussain Memon

    2013-07-01

    Full Text Available Electric power theft is a problem that continues to plague power sector across the whole country. Every year, the electricity companies face the line losses at an average 20-30% and according to power ministry estimation WAPDA companies lose more than Rs. 125 billion. Significantly, it is enough to destroy the entire power sector of country. According to sources 20% losses means the masses would have to pay extra 20% in terms of electricity tariffs. In other words, the innocent consumers pay the bills of those who steal electricity. For all that, no any permanent solution for this major issue has ever been proposed. We propose an applicable and optimum solution for this impassable problem. In our research, we propose an Electric power theft solution based on three stages; Transmission stage, Distribution stage, and User stage. Without synchronization among all, the complete solution can not be achieved. The proposed solution is simulated on NI (National Instruments Circuit Design Suite Multisim v.10.0. Our research work is an implicit and a workable approach towards the Electric power theft, as for conditions in Pakistan, which is bearing the brunt of power crises already

  15. Mesh networks: an optimum solution for AMR

    Energy Technology Data Exchange (ETDEWEB)

    Mimno, G.

    2003-12-01

    Characteristics of mesh networks and the advantage of using them in automatic meter reading equipment (AMR) are discussed. Mesh networks are defined as being similar to a fishing net made of knots and links. In mesh networks the knots represent meter sites and the links are the radio paths between the meter sites and the neighbourhood concentrator. In mesh networks any knot in the communications chain can link to any other and the optimum path is calculated by the network by hopping from meter to meter until the radio message reaches a concentrator. This mesh communications architecture is said to be vastly superior to many older types of radio-based meter reading technologies; its main advantage is that it not only significantly improves the economics of fixed network deployment, but also supports time-of-use metering, remote disconnect services and advanced features, such as real-time pricing, demand response, and other efficiency measures, providing a better return on investment and reliability.

  16. Optimum harvest maturity for Leymus chinensis seed

    Directory of Open Access Journals (Sweden)

    Jixiang Lin

    2016-06-01

    Full Text Available Timely harvest is critical to achieve maximum seed viability and vigour in agricultural production. However, little information exists concerning how to reap the best quality seeds of Leymus chinensis, which is the dominant and most promising grass species in the Songnen Grassland of Northern China. The objective of this study was to investigate and evaluate possible quality indices of the seeds at different days after peak anthesis. Seed quality at different development stages was assessed by the colours of the seed and lemmas, seed weight, moisture content, electrical conductivity of seed leachate and germination indices. Two consecutive years of experimental results showed that the maximum seed quality was recorded at 39 days after peak anthesis. At this date, the colours of the seed and lemmas reached heavy brown and yellow, respectively. The seed weight was highest and the moisture content and the electrical conductivity of seed leachate were lowest. In addition, the seed also reached its maximum germination percentage and energy at this stage, determined using a standard germination test (SGT and accelerated ageing test (AAT. Thus, Leymus chinensis can be harvested at 39 days after peak anthesis based on the changes in parameters. Colour identification can be used as an additional indicator to provide a more rapid and reliable measure of optimum seed maturity; approximately 10 days after the colour of the lemmas reached yellow and the colour of the seed reached heavy brown, the seed of this species was suitable for harvest.

  17. Designing from minimum to optimum functionality

    Science.gov (United States)

    Bannova, Olga; Bell, Larry

    2011-04-01

    This paper discusses a multifaceted strategy to link NASA Minimal Functionality Habitable Element (MFHE) requirements to a compatible growth plan; leading forward to evolutionary, deployable habitats including outpost development stages. The discussion begins by reviewing fundamental geometric features inherent in small scale, vertical and horizontal, pressurized module configuration options to characterize applicability to meet stringent MFHE constraints. A proposed scenario to incorporate a vertical core MFHE concept into an expanded architecture to provide continuity of structural form and a logical path from "minimum" to "optimum" design of a habitable module. The paper describes how habitation and logistics accommodations could be pre-integrated into a common Hab/Log Module that serves both habitation and logistics functions. This is offered as a means to reduce unnecessary redundant development costs and to avoid EVA-intensive on-site adaptation and retrofitting requirements for augmented crew capacity. An evolutionary version of the hard shell Hab/Log design would have an expandable middle section to afford larger living and working accommodations. In conclusion, the paper illustrates that a number of cargo missions referenced for NASA's 4.0.0 Lunar Campaign Scenario could be eliminated altogether to expedite progress and reduce budgets. The plan concludes with a vertical growth geometry that provides versatile and efficient site development opportunities using a combination of hard Hab/Log modules and a hybrid expandable "CLAM" (Crew Lunar Accommodations Module) element.

  18. Achieving optimum diffraction based overlay performance

    Science.gov (United States)

    Leray, Philippe; Laidler, David; Cheng, Shaunee; Coogans, Martyn; Fuchs, Andreas; Ponomarenko, Mariya; van der Schaar, Maurits; Vanoppen, Peter

    2010-03-01

    Diffraction Based Overlay (DBO) metrology has been shown to have significantly reduced Total Measurement Uncertainty (TMU) compared to Image Based Overlay (IBO), primarily due to having no measurable Tool Induced Shift (TIS). However, the advantages of having no measurable TIS can be outweighed by increased susceptibility to WIS (Wafer Induced Shift) caused by target damage, process non-uniformities and variations. The path to optimum DBO performance lies in having well characterized metrology targets, which are insensitive to process non-uniformities and variations, in combination with optimized recipes which take advantage of advanced DBO designs. In this work we examine the impact of different degrees of process non-uniformity and target damage on DBO measurement gratings and study their impact on overlay measurement accuracy and precision. Multiple wavelength and dual polarization scatterometry are used to characterize the DBO design performance over the range of process variation. In conclusion, we describe the robustness of DBO metrology to target damage and show how to exploit the measurement capability of a multiple wavelength, dual polarization scatterometry tool to ensure the required measurement accuracy for current and future technology nodes.

  19. Swedish projects

    International Nuclear Information System (INIS)

    Thunell, J.

    1993-01-01

    The main sources of the financing of Swedish research on gas technology are listed in addition to names of organizations which carry out this research. The titles and descriptions of the projects carried out are presented in addition to lists of reports published with information on prices. (AB)

  20. Finding the Optimum Scenario in Risk-benefit Assessment: An Example on Vitamin D

    DEFF Research Database (Denmark)

    Berjia, Firew Lemma; Hoekstra, J.; Verhagen, H.

    2014-01-01

    when changing from the reference to the optimum scenario. Conclusion: The method allowed us to find the optimum serum level in the vitamin D example. Additional case studies are needed to further validate the applicability of the approach to other nutrients or foods, especially with regards...... a method for finding the optimum scenario that provides maximum net health gains. Methods: A multiple scenario simulation. The method is presented using vitamin D intake in Denmark as an example. In addition to the reference scenario, several alternative scenarios are simulated to detect the scenario...... that provides maximum net health gains. As a common health metric, Disability Adjusted Life Years (DALY) has been used to project the net health effect by using the QALIBRA (Quality of Life for Benefit Risk Assessment) software. Results: The method used in the vitamin D example shows that it is feasible to find...

  1. Project Title: Geothermal Play Fairway Analysis of Potential Geothermal Resources in NE California, NW Nevada, and Southern Oregon: A Transition between Extension$-$Hosted and Volcanically$-$Hosted Geothermal Fields

    Energy Technology Data Exchange (ETDEWEB)

    McClain, James S. [Univ. of California, Davis, CA (United States). Dept. of; Dobson, Patrick [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Glassley, William [Univ. of California, Davis, CA (United States). Dept. of Earth and Planetary Sciences; Schiffman, Peter [Univ. of California, Davis, CA (United States). Dept. of Earth and Planetary Sciences; Zierenberg, Robert [Univ. of California, Davis, CA (United States). Dept. of Earth and Planetary Sciences; Zhang, Yingqi [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Conrad, Mark [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Siler, Drew [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Gasperikova, Erika [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Spycher, Nicolas F. [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

    2016-09-30

    Final report for the UCD-LBNL effort to apply Geothermal Play Fairway Analysis to a transition zone between a volcanically-hosted and extensionally-hosted geothermal. The project focusses on the geothermal resources in northeastern California.

  2. Implementation of optimum solar electricity generating system

    International Nuclear Information System (INIS)

    Singh, Balbir Singh Mahinder; Karim, Samsul Ariffin A.; Sivapalan, Subarna; Najib, Nurul Syafiqah Mohd; Menon, Pradeep

    2014-01-01

    Under the 10 th Malaysian Plan, the government is expecting the renewable energy to contribute approximately 5.5% to the total electricity generation by the year 2015, which amounts to 98MW. One of the initiatives to ensure that the target is achievable was to establish the Sustainable Energy Development Authority of Malaysia. SEDA is given the authority to administer and manage the implementation of the feed-in tariff (FiT) mechanism which is mandated under the Renewable Energy Act 2011. The move to establish SEDA is commendable and the FiT seems to be attractive but there is a need to create awareness on the implementation of the solar electricity generating system (SEGS). In Malaysia, harnessing technologies related to solar energy resources have great potential for implementation. However, the main issue that plagues the implementation of SEGS is the intermittent nature of this source of energy. The availability of sunlight is during the day time, and there is a need for electrical energy storage system, so that there is electricity available during the night time as well. The meteorological condition such as clouds, haze and pollution affects the SEGS as well. The PV based SEGS is seems to be promising electricity generating system that can contribute towards achieving the 5.5% target and will be able to minimize the negative effects of utilizing fossil fuels for electricity generation on the environment. Malaysia is committed to Kyoto Protocol, which emphasizes on fighting global warming by achieving stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system. In this paper, the technical aspects of the implementation of optimum SEGS is discussed, especially pertaining to the positioning of the PV panels

  3. Implementation of optimum solar electricity generating system

    Science.gov (United States)

    Singh, Balbir Singh Mahinder; Sivapalan, Subarna; Najib, Nurul Syafiqah Mohd; Menon, Pradeep; Karim, Samsul Ariffin A.

    2014-10-01

    Under the 10th Malaysian Plan, the government is expecting the renewable energy to contribute approximately 5.5% to the total electricity generation by the year 2015, which amounts to 98MW. One of the initiatives to ensure that the target is achievable was to establish the Sustainable Energy Development Authority of Malaysia. SEDA is given the authority to administer and manage the implementation of the feed-in tariff (FiT) mechanism which is mandated under the Renewable Energy Act 2011. The move to establish SEDA is commendable and the FiT seems to be attractive but there is a need to create awareness on the implementation of the solar electricity generating system (SEGS). In Malaysia, harnessing technologies related to solar energy resources have great potential for implementation. However, the main issue that plagues the implementation of SEGS is the intermittent nature of this source of energy. The availability of sunlight is during the day time, and there is a need for electrical energy storage system, so that there is electricity available during the night time as well. The meteorological condition such as clouds, haze and pollution affects the SEGS as well. The PV based SEGS is seems to be promising electricity generating system that can contribute towards achieving the 5.5% target and will be able to minimize the negative effects of utilizing fossil fuels for electricity generation on the environment. Malaysia is committed to Kyoto Protocol, which emphasizes on fighting global warming by achieving stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system. In this paper, the technical aspects of the implementation of optimum SEGS is discussed, especially pertaining to the positioning of the PV panels.

  4. Implementation of optimum solar electricity generating system

    Energy Technology Data Exchange (ETDEWEB)

    Singh, Balbir Singh Mahinder, E-mail: balbir@petronas.com.my; Karim, Samsul Ariffin A., E-mail: samsul-ariffin@petronas.com.my [Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, 31750 Bandar Seri Iskandar, Perak (Malaysia); Sivapalan, Subarna, E-mail: subarna-sivapalan@petronas.com.my [Department of Management and Humanities, Universiti Teknologi PETRONAS, 31750 Bandar Seri Iskandar, Perak (Malaysia); Najib, Nurul Syafiqah Mohd; Menon, Pradeep [Department of Electrical and Electronics Engineering, Universiti Teknologi PETRONAS, 31750 Bandar Seri Iskandar, Perak (Malaysia)

    2014-10-24

    Under the 10{sup th} Malaysian Plan, the government is expecting the renewable energy to contribute approximately 5.5% to the total electricity generation by the year 2015, which amounts to 98MW. One of the initiatives to ensure that the target is achievable was to establish the Sustainable Energy Development Authority of Malaysia. SEDA is given the authority to administer and manage the implementation of the feed-in tariff (FiT) mechanism which is mandated under the Renewable Energy Act 2011. The move to establish SEDA is commendable and the FiT seems to be attractive but there is a need to create awareness on the implementation of the solar electricity generating system (SEGS). In Malaysia, harnessing technologies related to solar energy resources have great potential for implementation. However, the main issue that plagues the implementation of SEGS is the intermittent nature of this source of energy. The availability of sunlight is during the day time, and there is a need for electrical energy storage system, so that there is electricity available during the night time as well. The meteorological condition such as clouds, haze and pollution affects the SEGS as well. The PV based SEGS is seems to be promising electricity generating system that can contribute towards achieving the 5.5% target and will be able to minimize the negative effects of utilizing fossil fuels for electricity generation on the environment. Malaysia is committed to Kyoto Protocol, which emphasizes on fighting global warming by achieving stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system. In this paper, the technical aspects of the implementation of optimum SEGS is discussed, especially pertaining to the positioning of the PV panels.

  5. TITLE

    Directory of Open Access Journals (Sweden)

    Nisha K. M

    2016-01-01

    Full Text Available The new millennium is seen as an epoch of entrepreneurship with entrepreneurs perceiving novel opportunities, organizing resources, undertaking risks to pursue their goals in establishing innovative ventures for scaling new horizons. Women entrepreneurs have the potency to confront numerous challenges, such as creating equity, equilibrium, ensuring sustainable and inclusive socio economic development in divergent economies, by seizing tremendous business opportunities in the contemporary commercial world. Kerala, the southern State of India, is experiencing an economic renovation through technological transformation and, in particular, through the growth of women oriented Micro, Small and Medium Enterprises (MSMEs. The study aims to; identify the growth trends of women’s entrepreneurship in the micro enterprises of Kerala; examine whether women’s entrepreneurial activities significantly vary across the form of women owned enterprises, type of organization and nature of activity; and also explore the prospects and challenges faced by women entrepreneurs through micro entrepreneurial activities. Research methodology involves the application of descriptive quantitative analysis on the secondary data primarily collected from the database of Directorate of Industries and District Industries Centre for a period of 7 years extending from 2007-08 to 2013-14. Findings reveal that MSMEs spawn better income distribution, by operating in heterogeneous areas of the economy with limited capital and creating more employment opportunities, thereby reducing poverty and inequalities. The trend analysis reflects an escalation in the number of enterprises, investments, profits and employment opportunities generated especially through micro enterprises of women. They play a crucial role in the economy in terms of creating self employment and generating employment opportunities for others. A paradigm shift is seen in the role of women’s entrepreneurship in terms of innovation, attitudes, leadership qualities, competitiveness, entrepreneurial skill and absorbing new entrants to the job market, empowering marginalized women.

  6. TITLE

    Directory of Open Access Journals (Sweden)

    Abdolhamid Papzan

    2013-01-01

    Full Text Available This study investigated entrepreneurial intention among graduate students of USM Engineering Campus. Applying the Theory of Planned Behavior (TPB; Ajzen, we examined the empirical model of entrepreneurial intention determinants. Although research has been conducted in entrepreneurial intention, limited study has been done among Iranian graduate students who are studying abroad. This research aims to fill this gap using Entrepreneurial Intention Questionnaire (EIQ, version 3.1. Accordingly, a survey study was applied and Iranian graduate students of the USM Engineering Campus were studied using the census method. The authors propose an empirical model and tested its reliability and validity using structural equation modeling. Data was analyzed using Spss16 and Amos18 software. Results revealed that the level of knowledge about business sources of assistance for entrepreneurs in addition to components of the TPB, affected entrepreneurial intention. Empirical model ‘s goodness of fit indices indicated good model fit x2=1.047, df=2, probability 0.592; NFI= 0.981; CFI= 1.000; RMSEA=0.000. It seems that current empirical model could be a guide for future research on this important topic.

  7. Title I conceptual design for Pit 6 landfill closure at Lawrence Livermore National Laboratory Site 300

    International Nuclear Information System (INIS)

    MacDonnell, B.A.; Obenauf, K.S.

    1996-08-01

    The objective of this design project is to evaluate and prepare design and construction documents for a closure cover cap for the Pit 6 Landfill located at Lawrence Livermore National Laboratory Site 300. This submittal constitutes the Title I Design (Conceptual Design) for the closure cover of the Pit 6 Landfill. A Title I Design is generally 30 percent of the design effort. Title H Design takes the design to 100 percent complete. Comments and edits to this Title I Design will be addressed in the Title II design submittal. Contents of this report are as follows: project background; design issues and engineering approach; design drawings; calculation packages; construction specifications outline; and construction quality assurance plan outline

  8. Optimum gain and phase for stochastic cooling systems

    International Nuclear Information System (INIS)

    Meer, S. van der.

    1984-01-01

    A detailed analysis of optimum gain and phase adjustment in stochastic cooling systems reveals that the result is strongly influenced by the beam feedback effect and that for optimum performance the system phase should change appreciably across each Schottky band. It is shown that the performance is not greatly diminished if a constant phase is adopted instead. On the other hand, the effect of mixing between pick-up and kicker (which produces a phase change similar to the optimum one) is shown to be less perturbing than is usually assumed, provided that the absolute value of the gain is not too far from the optimum value. (orig.)

  9. 24 CFR 202.12 - Title II.

    Science.gov (United States)

    2010-04-01

    ... INSTITUTIONS AND MORTGAGEES Title I and Title II Specific Requirements § 202.12 Title II. (a) Tiered pricing—(1... rate up to two percentage points under the mortgagee's customary lending practices must be based on... after accounting for the value of servicing rights generated by making the loan and other income to the...

  10. 3rd year final contractor report for: U.S. Department of Energy Stewardship Science Academic Alliances Program Project Title: Detailed Measurements of Rayleigh-Taylor Mixing at Large and Small Atwood Numbers

    International Nuclear Information System (INIS)

    Malcolm J. Andrews

    2006-01-01

    This project had two major tasks: Task 1. The construction of a new air/helium facility to collect detailed measurements of Rayleigh-Taylor (RT) mixing at high Atwood number, and the distribution of these data to LLNL, LANL, and Alliance members for code validation and design purposes. Task 2. The collection of initial condition data from the new Air/Helium facility, for use with validation of RT simulation codes at LLNL and LANL. This report describes work done in the last twelve (12) months of the project, and also contains a summary of the complete work done over the three (3) life of the project. As of April 1, 2006, the air/helium facility (Task 1) is now complete and extensive testing and validation of diagnostics has been performed. Initial condition studies (Task 2) is also complete. Detailed experiments with air/helium with Atwood numbers up to 0.1 have been completed, and Atwood numbers of 0.25. Within the last three (3) months we have been able to successfully run the facility at Atwood numbers of 0.5. The progress matches the project plan, as does the budget. We have finished the initial condition studies using the water channel, and this work has been accepted for publication on the Journal of Fluid Mechanics (the top fluid mechanics journal). Mr. Nick Mueschke and Mr. Wayne Kraft are continuing with their studies to obtain PhDs in the same field, and will also continue their collaboration visits to LANL and LLNL. Over its three (3) year life the project has supported two(2) Ph.D.'s and three (3) MS's, and produced nine (9) international journal publications, twenty four (24) conference publications, and numerous other reports. The highlight of the project has been our close collaboration with LLNL (Dr. Oleg Schilling) and LANL (Drs. Dimonte, Ristorcelli, Gore, and Harlow)

  11. Work on optimum medical radiation doses

    International Nuclear Information System (INIS)

    Vanhavere, F.

    2010-01-01

    Every day the medical world makes use of X-rays and radioisotopes. Radiology allows organs to be visualised, nuclear medicine diagnoses and treats cancer by injecting radioisotopes, and radiotherapy uses ionising radiation for cancer therapy. The medical world is increasingly mindful of the risks of ionising radiation that patients are exposed to during these examinations and treatments. In 2009 SCK-CEN completed two research projects that should help optimise the radiation doses of patients.

  12. 42 CFR 476.86 - Correlation of Title XI functions with Title XVIII functions.

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 4 2010-10-01 2010-10-01 false Correlation of Title XI functions with Title XVIII functions. 476.86 Section 476.86 Public Health CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF...) Qio Review Functions § 476.86 Correlation of Title XI functions with Title XVIII functions. (a...

  13. Optimum Image Formation for Spaceborne Microwave Radiometer Products.

    Science.gov (United States)

    Long, David G; Brodzik, Mary J

    2016-05-01

    This paper considers some of the issues of radiometer brightness image formation and reconstruction for use in the NASA-sponsored Calibrated Passive Microwave Daily Equal-Area Scalable Earth Grid 2.0 Brightness Temperature Earth System Data Record project, which generates a multisensor multidecadal time series of high-resolution radiometer products designed to support climate studies. Two primary reconstruction algorithms are considered: the Backus-Gilbert approach and the radiometer form of the scatterometer image reconstruction (SIR) algorithm. These are compared with the conventional drop-in-the-bucket (DIB) gridded image formation approach. Tradeoff study results for the various algorithm options are presented to select optimum values for the grid resolution, the number of SIR iterations, and the BG gamma parameter. We find that although both approaches are effective in improving the spatial resolution of the surface brightness temperature estimates compared to DIB, SIR requires significantly less computation. The sensitivity of the reconstruction to the accuracy of the measurement spatial response function (MRF) is explored. The partial reconstruction of the methods can tolerate errors in the description of the sensor measurement response function, which simplifies the processing of historic sensor data for which the MRF is not known as well as modern sensors. Simulation tradeoff results are confirmed using actual data.

  14. The optimum decision rules for the oddity task

    NARCIS (Netherlands)

    Versfeld, N.J.; Dai, H.; Green, D.M.

    1996-01-01

    This paper presents the optimum decision rule for an m-interval oddity task in which m-1 intervals contain the same signal and one is different or odd. The optimum decision rule depends on the degree of correlation among observations. The present approach unifies the different strategies that occur

  15. Optimum mobility’ facelift. Part 2 – the technique

    OpenAIRE

    Fanous, Nabil; Karsan, Naznin; Zakhary, Kristina; Tawile, Carolyne

    2006-01-01

    In the first of this two-part article on the ‘optimum mobility’ facelift, facial tissue mobility was analyzed, and three theories or mechanisms emerged: ‘intrinsic mobility’, ‘surgically induced mobility’ and ‘optimum mobility points’.

  16. Problem of determining optimum geological and technical measures

    Energy Technology Data Exchange (ETDEWEB)

    Osipov, G N; Roste, Z A; Salimzhanov, E S

    1968-01-01

    This article is concerned with the mathematical simulation of oilfield operation, particularly the use of linear programing to determine optimum conditions for exploitation of a field. The basic approach is to define the field operation by a series of equations, apply boundary conditions and through an iterative computer technique find optimum operating conditions. Application of the method to Tuimazy field is illustrated.

  17. Optimum material gradient composition for the functionally graded ...

    African Journals Online (AJOL)

    This study investigates the relation between the material gradient properties and the optimum sensing/actuation design of the functionally graded piezoelectric beams. Three-dimensional (3D) finite element analysis has been employed for the prediction of an optimum composition profile in these types of sensors and ...

  18. Optimum unambiguous discrimination of linearly independent pure state

    DEFF Research Database (Denmark)

    Pang, Shengshi; Wu, Shengjun

    2009-01-01

    be satisfied by the optimum solution in different situations. We also provide the detailed steps to find the optimum measurement strategy. The method and results we obtain are given a geometrical illustration with a numerical example. Furthermore, using these equations, we derive a formula which shows a clear...

  19. Optimum Design of Multi-Function Robot Arm Gripper for Varying Shape Green Product

    Directory of Open Access Journals (Sweden)

    Razali Zol Bahri

    2016-01-01

    Full Text Available The project focuses on thorough experimentally studies of the optimum design of Multi-function Robot Arm Gripper for varying shape green product. The purpose of this project is to design a few of robot arm gripper for multi-functionally grip a green product with varying shape. The main character of the gripper is that it can automated adjust its finger to suit with the shape of the product. An optimum design of multi-function robot arm gripper is verified through experimental study. The expected result is a series of analytical results on the proposal of gripper design and material that will be selected for the gripper. The analysis of the gripper design proposal by using ANSYS and CATIA software is described in detail in this paper.

  20. Effect of sample matrix composition on INAA sample weights, measurement precisions, limits of detection, and optimum conditions

    International Nuclear Information System (INIS)

    Guinn, V.P.; Nakazawa, L.; Leslie, J.

    1984-01-01

    The instrumental neutron activation analysis (INAA) Advance Prediction Computer Program (APCP) is extremely useful in guiding one to optimum subsequent experimental analyses of samples of all types of matrices. By taking into account the contributions to the cumulative Compton-continuum levels from all significant induced gamma-emitting radionuclides, it provides good INAA advance estimates of detectable photopeaks, measurement precisions, concentration lower limits of detection (LOD's) and optimum irradiation/decay/counting conditions - as well as of the very important maximum allowable sample size for each set of conditions calculated. The usefulness and importance of the four output parameters cited in the title are discussed using the INAA APCP outputs for NBS SRM-1632 Coal as the example

  1. INIS: Authority list for journal titles

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2003-03-01

    This is the twenty-ninth revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). It lists the titles of 12 990 journals which have contained articles within the scope of INIS. The purpose of this report is to provide descriptive cataloguers with a standard entry for the full title of a journal. In addition to the full journal title, the ISSN (International Standard Serial Number), administered by the ISSN International Centre, Paris, France, and/or CODEN, assigned by Chemical Abstracts Service, USA, are given in this manual. In order to help the reader to find titles easily, the list is divided into two parts. In Part I, the full journal titles are grouped by country or international organization responsible for coverage and ordered alphabetically. In Part II, the full journal titles of all countries or international organizations are arranged alphabetically. The country name or the international organization name responsible for coverage of the journal title to INIS is entered in parentheses. Journal titles marked with an asterisk are regularly scanned by INIS. Titles that have been identified by INIS Centres as 'Key Journals' are marked with the hash sign.

  2. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2003-01-01

    This is the twenty-ninth revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). It lists the titles of 12 990 journals which have contained articles within the scope of INIS. The purpose of this report is to provide descriptive cataloguers with a standard entry for the full title of a journal. In addition to the full journal title, the ISSN (International Standard Serial Number), administered by the ISSN International Centre, Paris, France, and/or CODEN, assigned by Chemical Abstracts Service, USA, are given in this manual. In order to help the reader to find titles easily, the list is divided into two parts. In Part I, the full journal titles are grouped by country or international organization responsible for coverage and ordered alphabetically. In Part II, the full journal titles of all countries or international organizations are arranged alphabetically. The country name or the international organization name responsible for coverage of the journal title to INIS is entered in parentheses. Journal titles marked with an asterisk are regularly scanned by INIS. Titles that have been identified by INIS Centres as 'Key Journals' are marked with the hash sign

  3. The impact of feedstock cost on technology selection and optimum size

    International Nuclear Information System (INIS)

    Cameron, Jay B.; Kumar, Amit; Flynn, Peter C.

    2007-01-01

    Development of biomass projects at optimum size and technology enhances the role that biomass can make in mitigating greenhouse gas. Optimum sized plants can be built when biomass resources are sufficient to meet feedstock demand; examples include wood and forest harvest residues from extensive forests, and grain straw and corn stover from large agricultural regions. The impact of feedstock cost on technology selection is evaluated by comparing the cost of power from the gasification and direct combustion of boreal forest wood chips. Optimum size is a function of plant cost and the distance variable cost (DVC, $ dry tonne -1 km -1 ) of the biomass fuel; distance fixed costs (DFC, $ dry tonne -1 ) such as acquisition, harvesting, loading and unloading do not impact optimum size. At low values of DVC and DFC, as occur with wood chips sourced from the boreal forest, direct combustion has a lower power cost than gasification. At higher values of DVC and DFC, gasification has a lower power cost than direct combustion. This crossover in most economic technology will always arise when a more efficient technology with a higher capital cost per unit of output is compared to a less efficient technology with a lower capital cost per unit of output. In such cases technology selection cannot be separated from an analysis of feedstock cost

  4. OPTIMUM DESIGN OF ULTRAHIGH STRENGTH NANOLAYERED COMPOSITES

    Energy Technology Data Exchange (ETDEWEB)

    H. KUNG; ET AL

    2000-10-01

    This is the final report of a three-year, Laboratory Directed Research and Development (LDRD) project at Los Alamos National Laboratory (LANL). Refinement of the microstructure in metallic multilayers from the micrometer-scale to the nanometer-scale often results in a break down of the classical Hall-Petch model relating strength to the microstructural length scale. The critical length scale at which this behavior breaks down is investigated both experimentally and theoretically. Using transmission electron microscopy and nanoindentation, we evaluated the microstructure and mechanical properties of Cu/Cr, Cu./Ni, and Cu/Nb multilayers that had different shear moduli mismatch between layers and lattice misfit strain between layers. Two-dimensional maps showing layer thickness and grain size ranges over which different deformation mechanisms operate were constructed using dislocation theory. The deformation mechanisms responsible for the breakdown of Hall-Petch behavior are discussed. By correlating the deformation mechanism maps with the experimental data, we show that these maps serve as guidelines for interpreting the scale-dependent deformation mechanisms in multilayers. Atomistic simulation was also used to evaluate the interaction between interfaces and glide dislocations to provide atomic scale insights into the deformation mechanisms.

  5. Investigation of earthquake factor for optimum tuned mass dampers

    Science.gov (United States)

    Nigdeli, Sinan Melih; Bekdaş, Gebrail

    2012-09-01

    In this study the optimum parameters of tuned mass dampers (TMD) are investigated under earthquake excitations. An optimization strategy was carried out by using the Harmony Search (HS) algorithm. HS is a metaheuristic method which is inspired from the nature of musical performances. In addition to the HS algorithm, the results of the optimization objective are compared with the results of the other documented method and the corresponding results are eliminated. In that case, the best optimum results are obtained. During the optimization, the optimum TMD parameters were searched for single degree of freedom (SDOF) structure models with different periods. The optimization was done for different earthquakes separately and the results were compared.

  6. Optimum color filters for CCD digital cameras

    Science.gov (United States)

    Engelhardt, Kai; Kunz, Rino E.; Seitz, Peter; Brunner, Harald; Knop, Karl

    1993-12-01

    As part of the ESPRIT II project No. 2103 (MASCOT) a high performance prototype color CCD still video camera was developed. Intended for professional usage such as in the graphic arts, the camera provides a maximum resolution of 3k X 3k full color pixels. A high colorimetric performance was achieved through specially designed dielectric filters and optimized matrixing. The color transformation was obtained by computer simulation of the camera system and non-linear optimization which minimized the perceivable color errors as measured in the 1976 CIELUV uniform color space for a set of about 200 carefully selected test colors. The color filters were designed to allow perfect colorimetric reproduction in principle and at the same time with imperceptible color noise and with special attention to fabrication tolerances. The camera system includes a special real-time digital color processor which carries out the color transformation. The transformation can be selected from a set of sixteen matrices optimized for different illuminants and output devices. Because the actual filter design was based on slightly incorrect data the prototype camera showed a mean colorimetric error of 2.7 j.n.d. (CIELUV) in experiments. Using correct input data in the redesign of the filters, a mean colorimetric error of only 1 j.n.d. (CIELUV) seems to be feasible, implying that it is possible with such an optimized color camera to achieve such a high colorimetric performance that the reproduced colors in an image cannot be distinguished from the original colors in a scene, even in direct comparison.

  7. Land Titles and Rice Production in Vietnam

    DEFF Research Database (Denmark)

    Van Den Broeck, Katleen; Newman, Carol; Tarp, Finn

    In most of the empirical literature on land titling, the household is regarded as unitary, and land rights are found to have ambiguous effects on land allocation, investment and productivity. Using data from 12 provinces in Vietnam, we diversify land titles, and show in a household fixed effects...... analysis of plot level rice yields that land titles are indeed important. Only exclusively held titles have the expected positive effects, and the positive effect on yields is found in male headed households. Furthermore, a household level rice yield function reveals that exclusive user rights...... are inefficiency decreasing, while jointly held user rights have no efficiency effects. Finally, once the gender of the head of household is controlled for, exclusively held female titles have a greater positive effect on the efficiency of the household than that of male held titles...

  8. Optimum Temperature and Thermal Stability of Crude Polyphenol ...

    African Journals Online (AJOL)

    The optimum temperature was found to be 300C for the enzyme extracted from guava, ... processing industries because during the processing ... enhance the brown colour produced (Valero et al., ... considerable economic and nutritional loss.

  9. Performance characteristics of aerodynamically optimum turbines for wind energy generators

    Science.gov (United States)

    Rohrbach, C.; Worobel, R.

    1975-01-01

    This paper presents a brief discussion of the aerodynamic methodology for wind energy generator turbines, an approach to the design of aerodynamically optimum wind turbines covering a broad range of design parameters, some insight on the effect on performance of nonoptimum blade shapes which may represent lower fabrication costs, the annual wind turbine energy for a family of optimum wind turbines, and areas of needed research. On the basis of the investigation, it is concluded that optimum wind turbines show high performance over a wide range of design velocity ratios; that structural requirements impose constraints on blade geometry; that variable pitch wind turbines provide excellent power regulation and that annual energy output is insensitive to design rpm and solidity of optimum wind turbines.

  10. Optimum strategies for nuclear energy system development (method of synthesis)

    International Nuclear Information System (INIS)

    Belenky, V.Z.

    1983-01-01

    The problem of optimum long-term development of the nuclear energy system is considered. The optimum strategies (i.e. minimum total uranium consumption) for the transition phase leading to a stationary regime of development are found. For this purpose the author has elaborated a new method of solving linear problems of optimal control which can include jumps in trajectories. The method gives a possibility to fulfil a total synthesis of optimum strategies. A key characteristic of the problem is the productivity function of the nuclear energy system which connects technological system parameters with its growth rate. There are only two types of optimum strategies, according to an increasing or decreasing productivity function. Both cases are illustrated with numerical examples. (orig.) [de

  11. Experimental validation of optimum resistance moment of concrete ...

    African Journals Online (AJOL)

    Experimental validation of optimum resistance moment of concrete slabs reinforced ... other solutions to combat corrosion problems in steel reinforced concrete. ... Eight specimens of two-way spanning slabs reinforced with CFRP bars were ...

  12. 24 CFR 200.61 - Title.

    Science.gov (United States)

    2010-04-01

    ... Commissioner. (c) Endorsement of the credit instrument for insurance shall evidence the acceptability of title... GENERAL INTRODUCTION TO FHA PROGRAMS Requirements for Application, Commitment, and Endorsement Generally...

  13. The refining of soybean oil to optimum quality

    Directory of Open Access Journals (Sweden)

    Rusell, J.

    1996-08-01

    Full Text Available One of the objectives of the American Soybean Association is to improve the quality of soybean and related products in Turkey. In order to achieve this, a number of extraction plants and refineries were visited to enable first hand information to be obtained on the type of equipment used in all unit processes, the methodology employed, quality standards and levels of efficiency. The culmination of the visit was a seminar organised jointly by the American Soybean Association and the Turkish Vegetable Oil Association in Istanbul on 22nd September 1989, at which a paper with the above title was presented. A reproduction of this paper is attached which briefly describes the critical areas of soybean oil processing and includes recommendations for quality improvements. It concludes with the comment that provided proper care is taken and optimum refining processes employed, including hydrogenation where appropriate, an impressive range of oils, margarines and shortenings of high quality can ben produced. The author would like to record his grateful thanks to Dr. R. Leysen of the American Soybean Association for all his help and guidance, to Mr. Kenon Marasoglu, Chairman of the Turkish Vegetable Oil Association and to the management and staff of all the factories visited. Acknowledgement is also made to Dr. D. R. Arickson and Mr. L. H. Wiedermann of the American Soybean Association for the use of some technical information from a paper entitled «Soybean Oil-Modern Processing and Utilisation» which is to be published shortly.

    Uno de los objetivos de la Asociación Americana de Soja en Turquía es mejorar la calidad de la soja y de los productos relacionados. En orden a conseguir esto, diversas plantas de extracción y refinerías fueron visitadas para permitir obtener de primera mano información sobre el tipo de equipo usado en todas las unidades de proceso, la metodología empleada, los estándar de calidad y los niveles de eficacia. La

  14. Optimum coagulant forecasting by modeling jar test experiments using ANNs

    Science.gov (United States)

    Haghiri, Sadaf; Daghighi, Amin; Moharramzadeh, Sina

    2018-01-01

    Currently, the proper utilization of water treatment plants and optimizing their use is of particular importance. Coagulation and flocculation in water treatment are the common ways through which the use of coagulants leads to instability of particles and the formation of larger and heavier particles, resulting in improvement of sedimentation and filtration processes. Determination of the optimum dose of such a coagulant is of particular significance. A high dose, in addition to adding costs, can cause the sediment to remain in the filtrate, a dangerous condition according to the standards, while a sub-adequate dose of coagulants can result in the reducing the required quality and acceptable performance of the coagulation process. Although jar tests are used for testing coagulants, such experiments face many constraints with respect to evaluating the results produced by sudden changes in input water because of their significant costs, long time requirements, and complex relationships among the many factors (turbidity, temperature, pH, alkalinity, etc.) that can influence the efficiency of coagulant and test results. Modeling can be used to overcome these limitations; in this research study, an artificial neural network (ANN) multi-layer perceptron (MLP) with one hidden layer has been used for modeling the jar test to determine the dosage level of used coagulant in water treatment processes. The data contained in this research have been obtained from the drinking water treatment plant located in Ardabil province in Iran. To evaluate the performance of the model, the mean squared error (MSE) and correlation coefficient (R2) parameters have been used. The obtained values are within an acceptable range that demonstrates the high accuracy of the models with respect to the estimation of water-quality characteristics and the optimal dosages of coagulants; so using these models will allow operators to not only reduce costs and time taken to perform experimental jar tests

  15. Optimum filters for narrow-band frequency modulation.

    Science.gov (United States)

    Shelton, R. D.

    1972-01-01

    The results of a computer search for the optimum type of bandpass filter for low-index angle-modulated signals are reported. The bandpass filters are discussed in terms of their low-pass prototypes. Only filter functions with constant numerators are considered. The pole locations for the optimum filters of several cases are shown in a table. The results are fairly independent of modulation index and bandwidth.

  16. Comparing the characteristics of highly cited titles and highly alted titles

    Energy Technology Data Exchange (ETDEWEB)

    Didegah, F.; Bowman, T.D.; Bowman, S.; Hartley, J.

    2016-07-01

    This study examines differences in the types of titles for articles that show high altmetric activity (highly alted articles) versus highly cited articles. This work expands on previous research on document titles in combination with a grounded theory approach to develop a codebook in which articles were manually coded based on 11 characteristics. The results show that there are differences and similarities in titles across many of the examined characteristics; highly cited titles and highly mentioned titles on Wikipedia have some similar characteristics such as they have the the highest percentage of substantive words; in addition, there are no or very few titles referencing outside or with humor/lightness on both platforms. Twitter and Facebook also showed some similarities having the highest percentage of humorous/light titles and lowest percentage of substantive words in their titles. (Author)

  17. Final Report for project titled "New fluoroionomer electrolytes with high conductivity and low SO2 crossover for use in electrolyzers being developed for hydrogen production from nuclear power plants"

    Energy Technology Data Exchange (ETDEWEB)

    Dennis W. Smith; Stephen Creager

    2012-09-13

    Thermochemical water splitting cycles, using the heat of nuclear power plants, offer an alternate highly efficient route for the production of hydrogen. Among the many possible thermochemical cycles for the hydrogen production, the sulfur-based cycles lead the competition in overall energy efficiency. A variant on sulfur-based thermochemical cycles is the Hybrid Sulfur (HyS) Process, which uses a sulfur dioxide depolarized electrolyzer (SDE) to produce hydrogen. The Savannah River National Laboratory (SRNL) selected the fuel cell MEA design concept for the SDE in the HyS process since the MEA concept provides a much smaller cell footprint than conventional parallel plate technology. The electrolyzer oxidizes sulfur dioxide to form sulfuric acid at the anode and reduces protons to form hydrogen at the cathode. The overall electrochemical cell reaction consists of the production of H{sub 2}SO{sub 4} and H{sub 2}. There is a significant need to provide the membrane materials that exhibit reduced sulfur dioxide transport characteristics without sacrificing other important properties such as high ionic conductivity and excellent chemical stability in highly concentrated sulfuric acid solutions saturated with sulfur dioxide. As an alternative membrane, sulfonated Perfluorocyclobutyl aromatic ether polymer (sPFCB) were expected to posses low SO2 permeability due to their stiff backbones as well as high proton conductivity, improved mechanical properties. The major accomplishments of this project were the synthesis, characterizations, and optimizations of suitable electrolyzers for good SDE performance and higher chemical stability against sulfuric acid. SDE performance results of developed sPFCB polyelectrolytes have shown that these membranes exhibit good chemical stability against H{sub 2}SO{sub 4}.

  18. Getting to one from title 10 + title 32 unity of effort in the homeland

    OpenAIRE

    Prosch, Caroline Ross.

    2011-01-01

    CHDS State/Local Approved for public release; distribution is unlimited This thesis bridges the knowledge gap between Title 10 Active Duty and Title 32 National Guard in order to breakdown cultural barriers and reach unity of effort for response operations in the homeland. Regrettably, a unified response was missing among Title 10 Active Duty and Title 32 National Guard members following Hurricane Katrina. Since then, initiatives based in doctrine, statutes and formal recommendations...

  19. Finding the Optimum Scenario in Risk-benefit Assessment: An Example on Vitamin D

    DEFF Research Database (Denmark)

    Berjia, Firew Lemma; Hoekstra, J.; Verhagen, H.

    2014-01-01

    an optimum scenario that provides maximum net health gain in health risk-benefit assessment of dietary exposure as expressed by serum vitamin D level. With regard to the vitamin D assessment, a considerable health gain is observed due to the reduction of risk of other cause mortality, fall and hip fractures......Background: In risk-benefit assessment of food and nutrients, several studies so far have focused on comparison of two scenarios to weigh the health effect against each other. One obvious next step is finding the optimum scenario that provides maximum net health gains. Aim: This paper aims to show...... that provides maximum net health gains. As a common health metric, Disability Adjusted Life Years (DALY) has been used to project the net health effect by using the QALIBRA (Quality of Life for Benefit Risk Assessment) software. Results: The method used in the vitamin D example shows that it is feasible to find...

  20. How property title impacts urban consolidation

    DEFF Research Database (Denmark)

    Easthope, Hazel; Warnken, Jan; Sherry, Cathy

    2014-01-01

    Continuing urbanisation is triggering an increase in multi-titled housing internationally. This trend has given rise to a substantial research interest in the social consequences of higher density living. Little enquiry, however, has been directed to examining how property title subdivisions gene...

  1. 31 CFR 505.01 - Short title.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false Short title. 505.01 Section 505.01 Money and Finance: Treasury Regulations Relating to Money and Finance (Continued) OFFICE OF FOREIGN... CERTAIN MERCHANDISE BETWEEN FOREIGN COUNTRIES § 505.01 Short title. The regulations in this part may be...

  2. 33 CFR 401.1 - Short title.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false Short title. 401.1 Section 401.1 Navigation and Navigable Waters SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION SEAWAY REGULATIONS AND RULES Regulations § 401.1 Short title. These regulations may be cited as the...

  3. 18 CFR 415.1 - Short title.

    Science.gov (United States)

    2010-04-01

    ... 18 Conservation of Power and Water Resources 2 2010-04-01 2010-04-01 false Short title. 415.1 Section 415.1 Conservation of Power and Water Resources DELAWARE RIVER BASIN COMMISSION ADMINISTRATIVE MANUAL BASIN REGULATIONS-FLOOD PLAIN REGULATIONS Generally § 415.1 Short title. This part shall be known...

  4. 25 CFR 151.13 - Title examination.

    Science.gov (United States)

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Title examination. 151.13 Section 151.13 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR LAND AND WATER LAND ACQUISITIONS § 151.13 Title examination. If the Secretary determines that he will approve a request for the acquisition of land from...

  5. Student Achievement in Title I Schools

    Science.gov (United States)

    Diaz, Abby T.

    2017-01-01

    This researcher seeks to answer the following question: How did two elementary Title I schools, identified as "high performing" on the first Smarter Balanced assessment, address elements of Maslow's hierarchy of needs when developing school-wide initiatives to enhance student achievement? Many students in Title I schools face barriers to…

  6. Land Titles and Rice Production in Vietnam

    DEFF Research Database (Denmark)

    Van Den Broeck, Katleen; Newman, Carol; Tarp, Finn

    analysis of plot level rice yields that land titles are indeed important. Only exclusively held titles have the expected positive effects, and the positive effect on yields is found in male headed households. Furthermore, a household level rice yield function reveals that exclusive user rights...

  7. 24 CFR 202.11 - Title I.

    Science.gov (United States)

    2010-04-01

    ... in 24 CFR 25.5. Civil money penalties may be imposed against Title I lenders and mortgagees pursuant... unacceptable risk to the Department; or (iv) Transfer of a Title I loan to a party that does not have a valid...

  8. Final Scientific/Technical Report, USDOE Award DE-FG-02ER54684, Recipient: CompX, Project Title: Fokker-Planck/Ray Tracing for Electron Bernstein and Fast Wave Modeling in Support of NSTX

    International Nuclear Information System (INIS)

    Harvey, R.W.

    2009-01-01

    This DOE grant supported fusion energy research, a potential long-term solution to the world's energy needs. Magnetic fusion, exemplified by confinement of very hot ionized gases, i.e., plasmas, in donut-shaped tokamak vessels is a leading approach for this energy source. Thus far, a mixture of hydrogen isotopes has produced 10's of megawatts of fusion power for seconds in a tokamak reactor at Princeton Plasma Physics Laboratory in New Jersey. The research grant under consideration, ER54684, uses computer models to aid in understanding and projecting efficacy of heating and current drive sources in the National Spherical Torus Experiment, a tokamak variant, at PPPL. The NSTX experiment explores the physics of very tight aspect ratio, almost spherical tokamaks, aiming at producing steady-state fusion plasmas. The current drive is an integral part of the steady-state concept, maintaining the magnetic geometry in the steady-state tokamak. CompX further developed and applied models for radiofrequency (rf) heating and current drive for applications to NSTX. These models build on a 30 year development of rf ray tracing (the all-frequencies GENRAY code) and higher dimensional Fokker-Planck rf-collisional modeling (the 3D collisional-quasilinear CQL3D code) at CompX. Two mainline current-drive rf modes are proposed for injection into NSTX: (1) electron Bernstein wave (EBW), and (2) high harmonic fast wave (HHFW) modes. Both these current drive systems provide a means for the rf to access the especially high density plasma--termed high beta plasma--compared to the strength of the required magnetic fields. The CompX studies entailed detailed modeling of the EBW to calculate the efficiency of the current drive system, and to determine its range of flexibility for driving current at spatial locations in the plasma cross-section. The ray tracing showed penetration into NSTX bulk plasma, relatively efficient current drive, but a limited ability to produce current over the whole

  9. Parametric Investigation of Optimum Thermal Insulation Thickness for External Walls

    Directory of Open Access Journals (Sweden)

    Omer Kaynakli

    2011-06-01

    Full Text Available Numerous studies have estimated the optimum thickness of thermal insulation materials used in building walls for different climate conditions. The economic parameters (inflation rate, discount rate, lifetime and energy costs, the heating/cooling loads of the building, the wall structure and the properties of the insulation material all affect the optimum insulation thickness. This study focused on the investigation of these parameters that affect the optimum thermal insulation thickness for building walls. To determine the optimum thickness and payback period, an economic model based on life-cycle cost analysis was used. As a result, the optimum thermal insulation thickness increased with increasing the heating and cooling energy requirements, the lifetime of the building, the inflation rate, energy costs and thermal conductivity of insulation. However, the thickness decreased with increasing the discount rate, the insulation material cost, the total wall resistance, the coefficient of performance (COP of the cooling system and the solar radiation incident on a wall. In addition, the effects of these parameters on the total life-cycle cost, payback periods and energy savings were also investigated.

  10. Federally Funded Programs Providing Educational Experiences for Disadvantaged Children and Youth in New York State. ESEA Title I, 1973-74.

    Science.gov (United States)

    Dobris, John, Comp.; Herman, Beatrice, Comp.

    An abbreviated descriptive summary of each ESEA Title I project implemented by local education agencies in New York State using fiscal year 1974 ESEA Title I Federal funds is provided in this publication. The exceptions are in New York City, comprising the counties of Bronx, Kings, Manhattan, Queens, and Richmond. Projects for New York City are…

  11. 24 CFR 203.385 - Types of satisfactory title evidence.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Types of satisfactory title... Title Waivers § 203.385 Types of satisfactory title evidence. The following types of title evidence shall be satisfactory to the Commissioner: (a) Fee or owner's title policy. A fee or owner's policy of...

  12. Quarterly title list for the period ending June 1980

    International Nuclear Information System (INIS)

    1980-01-01

    The title list contains: a) 17 titles and abstracts of laboratory reports, b) 36 titles of publications (32 with abstracts), c) 13 titles of articles submitted for publication (12 with abstracts), and d) 72 titles of lectures (52 with abstracts.) (GG) [de

  13. Determination of optimum filter in myocardial SPECT: A phantom study

    International Nuclear Information System (INIS)

    Takavar, A.; Shamsipour, Gh.; Sohrabi, M.; Eftekhari, M.

    2004-01-01

    Background: In myocardial perfusion SPECT images are degraded by photon attenuation, the distance-dependent collimator, detector response and photons scatter. Filters greatly affect quality of nuclear medicine images. Materials and Methods: A phantom simulating heart left ventricle was built. About 1mCi of 99m Tc was injected into the phantom. Images was taken from this phantom. Some filters including Parzen, Hamming, Hanning, Butter worth and Gaussian were exerted on the phantom images. By defining some criteria such as contrast, signal to noise ratio, and defect size detectability, the best filter can be determined. Results: 0.325 Nyquist frequency and 0.5 nq was obtained as the optimum cut off frequencies respectively for hamming and handing filters. Order 11, cut off 0.45 Nq and order 20 cut off 0.5 Nq obtained optimum respectively for Butter worth and Gaussian filters. Conclusion: The optimum member of every filter's family was obtained

  14. Optimum Arrangement of Reactive Power Sources While Using Genetic Algori

    Directory of Open Access Journals (Sweden)

    A. M. Gashimov

    2010-01-01

    Full Text Available Reduction of total losses in distribution electricity supply network is considered as an important measure which serves for improvement of efficiency of electric power supply systems. This objective can be achieved by optimum distribution of reactive power sources in proper places of distribution electricity supply network. The proposed methodology is based on application of a genetic algorithm. Total expenses for installation of capacitor banks, their operation and also expenses related to electric power losses are considered as an efficiency function which is used for determination of places with optimum values of capacitor bank power. The methodology is the most efficient for selection of optimum places in the network where it is necessary to install capacitor banks with due account of their power control depending on a switched-on load value in the units.

  15. Optimum Combining for Rapidly Fading Channels in Ad Hoc Networks

    Directory of Open Access Journals (Sweden)

    Sonia Furman

    2003-10-01

    Full Text Available Research and technology in wireless communication systems such as radar and cellular networks have successfully implemented alternative design approaches that utilize antenna array techniques such as optimum combining, to mitigate the degradation effects of multipath in rapid fading channels. In ad hoc networks, these methods have not yet been exploited primarily due to the complexity inherent in the network's architecture. With the high demand for improved signal link quality, devices configured with omnidirectional antennas can no longer meet the growing need for link quality and spectrum efficiency. This study takes an empirical approach to determine an optimum combining antenna array based on 3 variants of interelement spacing. For rapid fading channels, the simulation results show that the performance in the network of devices retrofitted with our antenna arrays consistently exceeded those with an omnidirectional antenna. Further, with the optimum combiner, the performance increased by over 60% compared to that of an omnidirectional antenna in a rapid fading channel.

  16. Determination of optimum oven cooking procedures for lean beef products

    OpenAIRE

    Rodas?Gonz?lez, Argenis; Larsen, Ivy L.; Uttaro, Bethany; Ju?rez, Manuel; Parslow, Joyce; Aalhus, Jennifer L.

    2015-01-01

    Abstract In order to determine optimum oven cooking procedures for lean beef, the effects of searing at 232 or 260?C for 0, 10, 20 or 30?min, and roasting at 160 or 135?C on semimembranosus (SM) and longissimus lumborum (LL) muscles were evaluated. In addition, the optimum determined cooking method (oven?seared for 10?min at 232?C and roasted at 135?C) was applied to SM roasts varying in weight from 0.5 to 2.5?kg. Mainly, SM muscles seared for 0 or 10?min at 232?C followed by roast at 135?C h...

  17. A first course in optimum design of yacht sails

    Science.gov (United States)

    Sugimoto, Takeshi

    1993-03-01

    The optimum sail geometry is analytically obtained for the case of maximizing the thrust under equality and inequality constraints on the lift and the heeling moment. A single mainsail is assumed to be set close-hauled in uniform wind and upright on the flat sea surface. The governing parameters are the mast height and the gap between the sail foot and the sea surface. The lifting line theory is applied to analyze the aerodynamic forces acting on a sail. The design method consists of the variational principle and a feasibility study. Almost triangular sails are found to be optimum. Their advantages are discussed.

  18. Generic Advertising Optimum Budget for Iran’s Milk Industry

    Directory of Open Access Journals (Sweden)

    H. Shahbazi

    2016-05-01

    Full Text Available Introduction One of the main targets of planners, decision makers and governments is increasing society health with promotion and production of suitable and healthy food. One of the basic commodities that have important role in satisfaction of required human food is milk. So, some part of government and producer healthy budget allocate to milk consumption promotion by using generic advertising. If effectiveness of advertising budget on profitability is more, producer will have more willing to spend for advertising. Determination of optimal generic advertising budget is one of important problem in managerial decision making in producing firm as well as increase in consumption and profit and decrease in wasting and non-optimality of budget. Materials and Methods: In this study, optimal generic advertising budget intensity index (advertising budget share of production cost was estimated under two different scenarios by using equilibrium replacement model. In equilibrium replacement model, producer surplus are maximized in respect to generic advertising in retail level. According to market where two levels of farm and processing before retail exist and there is trade in farm and retail level, we present different models. Fixed and variable proportion hypothesis is another one. Finally, eight relations are presented for determination of milk generic advertising optimum budget. So, we use data from several resources such as previous studies, national (Iran Static center and international institute (Fao formal data and own estimation. Because there are several estimations in previous studies, we identify some scenarios (in two general scenarios for calculation of milk generic advertising optimum budget. Results and Discussion: Estimation of milk generic advertising optimum budget in scenario 1 shows that in case of one market level, fixed supplies and no trade, optimum budget is 0.4672539 percent. In case of one market level and no trade, optimum

  19. Optimum position of isolators within erbium-doped fibers

    DEFF Research Database (Denmark)

    Lumholt, Ole; Schüsler, Kim; Bjarklev, Anders Overgaard

    1992-01-01

    An isolator is used as an amplified spontaneous emission suppressing component within an erbium-doped fiber. The optimum isolator placement is both experimentally and theoretically determined and found to be slightly dependent upon pump power. Improvements of 4 dB in gain and 2 dB in noise figure...... are measured for the optimum isolator location at 25% of the fiber length when the fiber is pumped with 60 mW of pump power at 1.48 μm...

  20. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2005-01-01

    This is the 31st revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13,104 journal titles, 2,078 regularly scanned journals and 561 key journals. It was last updated in February 2005. The purpose of this report is to provide descriptive cataloguers with a standard entry for the full title of a journal. In addition to the full journal title, the ISSN (International Standard Serial Number), administered by the ISSN International Centre, Paris, France, and/or CODEN, assigned by Chemical Abstracts Service, USA, are given in this manual. In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part III, all journals that are regularly scanned by INIS Centers are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part IV, all journals that are regularly scanned by INIS Centers are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part V, all journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part VI, all journals are sorted alphabetically under their title. The name of the

  1. INIS: Authority list for journal titles

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-03-01

    This is the 31st revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13,104 journal titles, 2,078 regularly scanned journals and 561 key journals. It was last updated in February 2005. The purpose of this report is to provide descriptive cataloguers with a standard entry for the full title of a journal. In addition to the full journal title, the ISSN (International Standard Serial Number), administered by the ISSN International Centre, Paris, France, and/or CODEN, assigned by Chemical Abstracts Service, USA, are given in this manual. In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part III, all journals that are regularly scanned by INIS Centers are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part IV, all journals that are regularly scanned by INIS Centers are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part V, all journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part VI, all journals are sorted alphabetically under their title. The name of the

  2. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2006-01-01

    This is the 32nd revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13,231 journal titles, 2,125 regularly scanned journals and 555 key journals. It was last updated in February 2006. The purpose of this report is to provide descriptive cataloguers with a standard entry for the full title of a journal. In addition to the full journal title, the ISSN (International Standard Serial Number), administered by the ISSN International Centre, Paris, France, and/or CODEN, assigned by Chemical Abstracts Service, USA, are given in this manual. In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part III, all journals that are regularly scanned by INIS Centres are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part IV, all journals that are regularly scanned by INIS Centres are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. In Part V, all journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. In Part VI, all journals are sorted alphabetically under their title. The name of the

  3. 20 CFR 404.535 - How much will we withhold from your title VIII and title XVI benefits to recover a title II...

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false How much will we withhold from your title... Officer § 404.535 How much will we withhold from your title VIII and title XVI benefits to recover a title II overpayment? (a) If past-due benefits are payable to you, we will withhold the lesser of the...

  4. Project Title: Partnering to establish emergency medicine in Ethiopia ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2014-03-31

    Mar 31, 2014 ... current graduate working in. Ethiopia). Procedures ..... majority (62.6%) of deaths occurred within 48 hours of admission to the emergency department. ..... encourage graduates to pursue careers within Ethiopia. Conclusion: A ...

  5. Project Title: Partnering to establish emergency medicine in Ethiopia ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2014-03-31

    Mar 31, 2014 ... The provision of a quality experience for U of T post-‐graduate and ...... The sum total of this experience cannot be reduced to a paragraph; ..... Topics included: ED management of DKA, incidence and clinical management of ...

  6. Project Title: Partnering to establish emergency medicine in Ethiopia ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Elayna Fremes

    2014-03-31

    Mar 31, 2014 ... To build capacity among Addis Ababa University faculty to design and execute .... To bridge the gap in qualified EM teachers in Ethiopia, TAAAC-EM delivers ... The curriculum spans the clinical competencies of EM and includes dedicated ..... application through disbursement was simple, and effective.

  7. An evaluation of the optimum timing for planting short rotation coppice

    Energy Technology Data Exchange (ETDEWEB)

    Turnbull, D.J.; Jefferies, R.; Parfitt, R.

    2004-07-01

    This report summarises the results of a project to determine the optimum timing for planting, evaluate problems due to late planting in the spring, and to study the planting of willows at different times during the autumn. Details are given of the site installation, previous research on the effect of planting date and storage, and assessment of the establishment and biomass productivity and the viability of cuttings in long-term storage. Charts illustrating biomass productivity are presented, and long-term storage of willow cuttings for autumn planting is discussed.

  8. An optimum organizational structure for a large earth-orbiting multidisciplinary Space Base

    Science.gov (United States)

    Ragusa, J. M.

    1973-01-01

    The purpose of this exploratory study was to identify an optimum hypothetical organizational structure for a large earth-orbiting multidisciplinary research and applications (R&A) Space Base manned by a mixed crew of technologists. Since such a facility does not presently exist, in situ empirical testing was not possible. Study activity was, therefore, concerned with the identification of a desired organizational structural model rather than the empirical testing of it. The essential finding of this research was that a four-level project type 'total matrix' model will optimize the efficiency and effectiveness of Space Base technologists.

  9. 12 CFR 5.42 - Corporate title.

    Science.gov (United States)

    2010-01-01

    ... 18 U.S.C. 709, regarding false advertising and the misuse of names to indicate a Federal agency, and... the appropriate district office if it changes its corporate title. The notice must contain the old and...

  10. Code of Federal Regulations Title 21

    Data.gov (United States)

    U.S. Department of Health & Human Services — This database contains the most recent revision from the Government Printing Office (GPO) of the Code of Federal Regulations (CFR) Title 21 - Food and Drugs.

  11. The Need for Conciliation under Title VII

    Science.gov (United States)

    Pollard, William E.

    1975-01-01

    The AFL-CIO is committed to the task of eliminating discrimination and injustice in the workplace and is making efforts to expand the Equal Employment Opportunity Commission's conciliation efforts under Title Seven. (MW)

  12. Service Locator - Family Planning Title X

    Data.gov (United States)

    U.S. Department of Health & Human Services — This locator tool will help you find Title X family planning centers that provide high quality and cost-effective family planning and related preventive health...

  13. Determination of Optimum Moisture Content of Palm Nut Cracking ...

    African Journals Online (AJOL)

    USER

    ABSTRACT: After processing the palm fruit for oil, the nut is usually dried in order to loosen the kernel from the shell. The drying is necessary to enhance the release of whole kernel when the nut is cracked. A study was carried out to determine the optimum moisture content of nuts for high yield of whole kernels during ...

  14. Optimum tilt angle and orientation for solar collectors in Syria

    International Nuclear Information System (INIS)

    Skeiker, Kamal

    2009-01-01

    One of the important parameters that affect the performance of a solar collector is its tilt angle with the horizon. This is because of the variation of tilt angle changes the amount of solar radiation reaching the collector surface. A mathematical model was used for estimating the solar radiation on a tilted surface, and to determine the optimum tilt angle and orientation (surface azimuth angle) for the solar collector in the main Syrian zones, on a daily basis, as well as for a specific period. The optimum angle was computed by searching for the values for which the radiation on the collector surface is a maximum for a particular day or a specific period. The results reveal that changing the tilt angle 12 times in a year (i.e. using the monthly optimum tilt angle) maintains approximately the total amount of solar radiation near the maximum value that is found by changing the tilt angle daily to its optimum value. This achieves a yearly gain in solar radiation of approximately 30% more than the case of a solar collector fixed on a horizontal surface.

  15. Analytical Solution for Optimum Design of Furrow Irrigation Systems

    Science.gov (United States)

    Kiwan, M. E.

    1996-05-01

    An analytical solution for the optimum design of furrow irrigation systems is derived. The non-linear calculus optimization method is used to formulate a general form for designing the optimum system elements under circumstances of maximizing the water application efficiency of the system during irrigation. Different system bases and constraints are considered in the solution. A full irrigation water depth is considered to be achieved at the tail of the furrow line. The solution is based on neglecting the recession and depletion times after off-irrigation. This assumption is valid in the case of open-end (free gradient) furrow systems rather than closed-end (closed dike) systems. Illustrative examples for different systems are presented and the results are compared with the output obtained using an iterative numerical solution method. The final derived solution is expressed as a function of the furrow length ratio (the furrow length to the water travelling distance). The function of water travelling developed by Reddy et al. is considered for reaching the optimum solution. As practical results from the study, the optimum furrow elements for free gradient systems can be estimated to achieve the maximum application efficiency, i.e. furrow length, water inflow rate and cutoff irrigation time.

  16. Optimum position for wells producing at constant wellbore pressure

    Energy Technology Data Exchange (ETDEWEB)

    Camacho-Velazquez, R.; Rodriguez de la Garza, F. [Univ. Nacional Autonoma de Mexico, Mexico City (Mexico); Galindo-Nava, A. [Inst. Mexicanos del Petroleo, Mexico City (Mexico)]|[Univ. Nacional de Mexico, Mexico City (Mexico); Prats, M.

    1994-12-31

    This paper deals with the determination of the optimum position of several wells, producing at constant different wellbore pressures from a two-dimensional closed-boundary reservoirs, to maximize the cumulative production or the total flow rate. To achieve this objective they authors use an improved version of the analytical solution recently proposed by Rodriguez and Cinco-Ley and an optimization algorithm based on a quasi-Newton procedure with line search. At each iteration the algorithm approximates the negative of the objective function by a cuadratic relation derived from a Taylor series. The improvement of rodriguez and Cinco`s solution is attained in four ways. First, an approximation is obtained, which works better at earlier times (before the boundary dominated period starts) than the previous solution. Second, the infinite sums that are present in the solution are expressed in a condensed form, which is relevant for reducing the computer time when the optimization algorithm is used. Third, the solution is modified to take into account the possibility of having wells starting to produce at different times. This point allows them to deal with the problem of getting the optimum position for an infill drilling program. Last, the solution is extended to include the possibility of changing the value of wellbore pressure or being able to stimulate any of the wells at any time. When the wells are producing at different wellbore pressures it is found that the optimum position is a function of time, otherwise the optimum position is fixed.

  17. Optimum Onager: The Classical Mechanics of a Classical Siege Engine

    Science.gov (United States)

    Denny, Mark

    2009-01-01

    The onager is a throwing weapon of classical antiquity, familiar to both the ancient Greeks and Romans. Here we analyze the dynamics of onager operation and derive the optimum angle for launching a projectile to its maximum range. There is plenty of scope for further considerations about increasing onager range, and so by thinking about how this…

  18. The effects of physical and chemical changes on the optimum ...

    African Journals Online (AJOL)

    The aim of this study was to determine physical and chemical changes during fruit development and their relationship with optimum harvest maturity for Bacon, Fuerte and Zutano avocado cultivars grown under Dörtyol ecological condition. Fruits cv. Bacon, Fuerte and Zutano were obtained trees grafted on seedlings and ...

  19. Applied orthogonal experiment design for the optimum microwave ...

    African Journals Online (AJOL)

    An experiment on polysaccharides from Rhodiolae Radix (PRR) extraction was carried out using microwave-assisted extraction (MAE) method with an objective to establishing the optimum MAE conditions of PRR. Single factor experiments were performed to determine the appropriate range of extraction conditions, and the ...

  20. Optimum geometry for torque ripple minimization of switched reluctance motors

    NARCIS (Netherlands)

    Sahin, F.; Ertan, H.B.; Leblebicioglu, K.

    2000-01-01

    For switched reluctance motors, one of the major problems is torque ripple which causes increased undesirable acoustic noise and possibly speed ripple. This paper describes an approach to determine optimum magnetic circuit parameters to minimize low speed torque ripple for such motors. The

  1. METHODS FOR DETERMINATION OF THE OPTIMUM EXPLOSIVES IN DIFFERENT ROCKS

    Directory of Open Access Journals (Sweden)

    Josip Krsnik

    1989-12-01

    Full Text Available The most appropriate explosives required for blasting of the particular types of rocks were established by test blasting method with linear burden increase. By the same method the optimum magnitudes of deep-holes blasting were established (the paper is published in Croatian.

  2. Applicability Problem in Optimum Reinforced Concrete Structures Design

    Directory of Open Access Journals (Sweden)

    Ashara Assedeq

    2016-01-01

    Full Text Available Optimum reinforced concrete structures design is very complex problem, not only considering exactness of calculus but also because of questionable applicability of existing methods in practice. This paper presents the main theoretical mathematical and physical features of the problem formulation as well as the review and analysis of existing methods and solutions considering their exactness and applicability.

  3. Is there an optimum level for renewable energy?

    International Nuclear Information System (INIS)

    Moriarty, Patrick; Honnery, Damon

    2011-01-01

    Because continued heavy use of fossil fuel will lead to both global climate change and resource depletion of easily accessible fuels, many researchers advocate a rapid transition to renewable energy (RE) sources. In this paper we examine whether RE can provide anywhere near the levels of primary energy forecast by various official organisations in a business-as-usual world. We find that the energy costs of energy will rise in a non-linear manner as total annual primary RE output increases. In addition, increasing levels of RE will lead to increasing levels of ecosystem maintenance energy costs per unit of primary energy output. The result is that there is an optimum level of primary energy output, in the sense that the sustainable level of energy available to the economy is maximised at that level. We further argue that this optimum occurs at levels well below the energy consumption forecasts for a few decades hence. - Highlights: → We need to shift to renewable energy for climate change and fuel depletion reasons. → We examine whether renewable energy can provide the primary energy levels forecast. → The energy costs of energy rise non-linearly with renewable energy output. → There is thus an optimum level of primary energy output. → This optimum occurs at levels well below future official energy use forecasts.

  4. How stem defects affect the capability of optimum bucking method?

    Directory of Open Access Journals (Sweden)

    Abdullah Emin Akay

    2015-07-01

    Full Text Available In forest harvesting activities, computer-assisted optimum bucking method increases the economic value of harvested trees. The bucking decision highly depends on the log quality grades which mainly vary with the surface characteristics such as stem defects and form of the stems. In this study, the effects of stem defects on optimum bucking method was investigated by comparing bucking applications which were conducted during the logging operations in two different Brutian Pine (Pinus brutia Ten stands. In the applications, the first stand contained the stems with relatively more stem defects than that of the stems in the second stand. The average number of defects per log for sample trees in the first and the second stand was recorded as 3.64 and 2.70, respectively. The results indicated that optimum bucking method increased the average economic value of harvested trees by 15.45% and 8.26 % in the stands, respectively. Therefore, the computer-assisted optimum bucking method potentially provides better results than that of traditional bucking method especially for the harvested trees with more stem defects.

  5. Optimum length of finned pipe for waste heat recovery

    International Nuclear Information System (INIS)

    Soeylemez, M.S.

    2008-01-01

    A thermoeconomic feasibility analysis is presented yielding a simple algebraic optimization formula for estimating the optimum length of a finned pipe that is used for waste heat recovery. A simple economic optimization method is used in the present study by combining it with an integrated overall heat balance method based on fin effectiveness for calculating the maximum savings from a waste heat recovery system

  6. The Optimum Conditions of Foreign Languages in Primary Education

    Science.gov (United States)

    Giannikas, Christina Nicole

    2014-01-01

    The aim of the paper is to review the primary language learning situation in Europe and shed light on the benefits it carries. Early language learning is the biggest policy development in education and has developed in rapid speed over the past 30 years; this article considers the effects and advantages of the optimum condition of an early start,…

  7. Improved optimum condition for recovery and measurement of 210 ...

    African Journals Online (AJOL)

    The aim of this study was to determine the optimum conditions for deposition of 210Po and evaluate the accuracy and precision of the results for its determination in environmental samples. To improve the technique for measurement of polonium-210(210Po) in environmental samples. The optimization of five factors (volume ...

  8. Dietary energy level for optimum productivity and carcass ...

    African Journals Online (AJOL)

    user

    2013-08-05

    Aug 5, 2013 ... optimum weights at dietary energy levels of 13.81, 13.23, 13.43 and ... Tadelle & Ogle (2000) reported that energy requirement of ..... The authors would like to acknowledge the National Research Foundation (NRF) and VLIR ...

  9. Bud initiation and optimum harvest date in Brussels sprouts

    NARCIS (Netherlands)

    Everaarts, A.P.; Sukkel, W.

    1999-01-01

    For six cultivars of Brussels sprouts (Brassica oleracea var. gemmifera) with a decreasing degree of earliness, or optimum harvest date, the time of bud initiation was determined during two seasons. Fifty percent of the plants had initiated buds between 60 and 75 days after planting (DAP) in 1994

  10. Optimum dietary protein requirement of genetically male tilapia ...

    African Journals Online (AJOL)

    The study was conducted to investigate the optimum dietary protein level needed for growing genetically male tilapia, Oreochromis niloticus. Diets containing crude protein levels 40, 42.5, 45, 47.5 and 50% were formulated and tried in triplicates. Test diets were fed to 20 fish/1m3 floating hapa at 5% of fish body weight daily ...

  11. Optimum development temperature and duration for nuclear plate

    International Nuclear Information System (INIS)

    Nagoshi, Chieko.

    1975-01-01

    Sakura 100 μm thick nuclear plates have been employed to determine optimum temperature and duration of the Amidol developer for low energy protons (Ep 0 C were tried for periods of 15--35 min. For Ep 0 C and for development time less than 30 min. (auth.)

  12. Optimum workforce-size model using dynamic programming approach

    African Journals Online (AJOL)

    This paper presents an optimum workforce-size model which determines the minimum number of excess workers (overstaffing) as well as the minimum total recruitment cost during a specified planning horizon. The model is an extension of other existing dynamic programming models for manpower planning in the sense ...

  13. Dietary energy level for optimum productivity and carcass ...

    African Journals Online (AJOL)

    A study was conducted to determine dietary energy levels for optimum productivity and carcass characteristics of indigenous Venda chickens raised in closed confinement. Four dietary treatments were considered in the first phase (1 to 7 weeks) on two hundred day-old unsexed indigenous Venda chicks indicated as EVS1, ...

  14. Procedure for determining the optimum rate of increasing shaft depth

    Energy Technology Data Exchange (ETDEWEB)

    Durov, E.M.

    1983-03-01

    Presented is an economic analysis of increasing shaft depth during mine modernization. Investigations carried out by the Yuzhgiproshakht Institute are analyzed. The investigations are aimed at determining the optimum shaft sinking rate (the rate which reduces investment to the minimum). The following factors are considered: coal output of a mine (0.9, 1.2, 1.5 and 1.8 Mt/year), depth at which the new mining level is situated (600, 800, 1200, 1400 and 1600 m), four schemes of increasing depth of 2 central shafts (rock hoisting to ground surface, rock hoisting to the existing level, rock haulage to the developed level, rock haulage to the level being developed using a large diameter borehole drilled from the new level to the shaft bottom and enlarged from shaft bottom to the new level), shaft sinking rate (10, 20, 30, 40, 50 and 60 m/month), range of increasing shaft depth (the difference between depth of the shaft before and after increasing its depth by 100, 200, 300 and 400 m). Comparative evaluations show that the optimum shaft sinking rate depends on the scheme for rock hoisting (one of 4 analyzed), range of increasing shaft depth and gas content in coal seams. The optimum shaft sinking rate ranges from 20 to 40 m/month in coal mines with low methane content and from 20 to 30 m/month in gassy coal mines. The planned coal output of a mine does not influence the optimum shaft sinking rate.

  15. Deuterium–tritium catalytic reaction in fast ignition: Optimum ...

    Indian Academy of Sciences (India)

    proton beam, the corresponding optimum interval values are proton average energy 3 ... contributions, into the study of the ignition and burn dynamics in a fast ignition frame- ..... choice of proton beam energy would fall in 3 ≤ Ep ≤ 10 MeV.

  16. Optimum design for pipe-support allocation against seismic loading

    International Nuclear Information System (INIS)

    Hara, Fumio; Iwasaki, Akira

    1996-01-01

    This paper deals with the optimum design methodology of a piping system subjected to a seismic design loading to reduce its dynamic response by selecting the location of pipe supports and whereby reducing the number of pipe supports to be used. The author employs the Genetic Algorithm for obtaining a reasonably optimum solution of the pipe support location, support capacity and number of supports. The design condition specified by the support location, support capacity and the number of supports to be used is encored by an integer number string for each of the support allocation candidates and they prepare many strings for expressing various kinds of pipe-support allocation state. Corresponding to each string, the authors evaluate the seismic response of the piping system to the design seismic excitation and apply the Genetic Algorithm to select the next generation candidates of support allocation to improve the seismic design performance specified by a weighted linear combination of seismic response magnitude, support capacity and the number of supports needed. Continuing this selection process, they find a reasonably optimum solution to the seismic design problem. They examine the feasibility of this optimum design method by investigating the optimum solution for 5, 7 and 10 degree-of-freedom models of piping system, and find that this method can offer one a theoretically feasible solution to the problem. They will be, thus, liberated from the severe uncertainty of damping value when the pipe support guaranties the design capacity of damping. Finally, they discuss the usefulness of the Genetic Algorithm for the seismic design problem of piping systems and some sensitive points when it will be applied to actual design problems

  17. Solid Waste Operations Complex W-113, Detail Design Report (Title II). Volume 1: Title II design report

    International Nuclear Information System (INIS)

    1995-09-01

    The Solid Waste Retrieval Facility--Phase 1 (Project W113) will provide the infrastructure and the facility required to retrieve from Trench 04, Burial ground 4C, contact handled (CH) drums and boxes at a rate that supports all retrieved TRU waste batching, treatment, storage, and disposal plans. This includes (1) operations related equipment and facilities, viz., a weather enclosure for the trench, retrieval equipment, weighing, venting, obtaining gas samples, overpacking, NDE, NDA, shipment of waste and (2) operations support related facilities, viz., a general office building, a retrieval staff change facility, and infrastructure upgrades such as supply and routing of water, sewer, electrical power, fire protection, roads, and telecommunication. Title I design for the operations related equipment and facilities was performed by Raytheon/BNFL, and that for the operations support related facilities including infrastructure upgrade was performed by KEH. These two scopes were combined into an integrated W113 Title II scope that was performed by Raytheon/BNFL. Volume 1 provides a comprehensive narrative description of the proposed facility and systems, the basis for each of the systems design, and the engineering assessments that were performed to support the technical basis of the Title II design. The intent of the system description presented is to provide WHC an understanding of the facilities and equipment provided and the A/E's perspective on how these systems will operate

  18. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2008-01-01

    This is the 34th revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13 538 journal titles, 2 106 regularly scanned journals and 613 key journals. It was last updated in February 2008. A journal - or periodical - is a continuing publication issued in a succession of discrete parts, usually bearing numbering and/or chronological designations and intended to be continued indefinitely. It is generally published within a defined, fixed interval between issues and normally appears more than once per year. It includes a mixture of articles, letters, summaries, etc. Within this definition, annuals such as the Annual Review of Nuclear Science are included, but series titles such as the McGraw-Hill Series in Nuclear Engineering are not. The purpose of this document is to provide descriptive cataloguers with standard elements to include in bibliographic level 'S' of the INIS record. These elements include field (tag) 229 (Full Journal Title), 320 (ISSN) and 321 (CODEN). The full journal title is mandatory, and either the ISSN or the CODEN must be included (both may appear). Instructions on how to use this and other elements of the INIS record format are found in INIS: Guide to Bibliographic Description (IAEA-INIS-1). In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: - In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. - In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. - In Part III, all journals that are regularly scanned by

  19. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2009-01-01

    This is the 35th revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13 750 journal titles, 1 965 regularly scanned journals and 593 key journals. It was last updated in March 2009. A journal - or periodical - is a continuing publication issued in a succession of discrete parts, usually bearing numbering and/or chronological designations and intended to be continued indefinitely. It is generally published within a defined, fixed interval between issues and normally appears more than once per year. It includes a mixture of articles, letters, summaries, etc. Within this definition, annuals such as the Annual Review of Nuclear Science are included, but series titles such as the McGraw-Hill Series in Nuclear Engineering are not. The purpose of this document is to provide descriptive cataloguers with standard elements to include in bibliographic level 'S' of the INIS record. These elements include field (tag) 229 (Full Journal Title), 320 (ISSN) and 321 (CODEN). The full journal title is mandatory, and either the ISSN or the CODEN must be included (both may appear). Instructions on how to use this and other elements of the INIS record format are found in INIS: Guide to Bibliographic Description (IAEA-INIS-1). In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: - In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. - In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. - In Part III, all journals that are regularly scanned by the

  20. INIS: Authority list for journal titles

    International Nuclear Information System (INIS)

    2007-01-01

    This is the 33rd revision of the INIS: Authority List for Journal Titles (IAEA-INIS-11). This list is published annually and includes the titles of all journals which have contained articles submitted to INIS at the time of publication. The current list contains 13 396 journal titles, 2 170 regularly scanned journals and 578 key journals. It was last updated in February 2007. A journal - or periodical - is a continuing publication issued in a succession of discrete parts, usually bearing numbering and/or chronological designations and intended to be continued indefinitely. It is generally published within a defined, fixed interval between issues and normally appears more than once per year. It includes a mixture of articles, letters, summaries, etc. Within this definition, annuals such as the Annual Review of Nuclear Science are included, but series titles such as the McGraw-Hill Series in Nuclear Engineering are not. The purpose of this document is to provide descriptive cataloguers with standard elements to include in bibliographic level 'S' of the INIS record. These elements include field (tag) 229 (Full Journal Title), 320 (ISSN) and 321 (CODEN). The full journal title is mandatory, and either the ISSN or the CODEN must be included (both may appear). Instructions on how to use this and other elements of the INIS record format are found in INIS: Guide to Bibliographic Description (IAEA-INIS-1). In order to help the user find titles easily, the list is arranged in six parts, followed by summary statistics: - In Part I, all key journals are grouped under the name of the country or international organization responsible for their input in INIS, then sorted alphabetically under their title. - In Part II, all key journals are sorted alphabetically under their title. The name of the country or international organization responsible for their input in INIS is entered in parentheses within the body of the entry. - In Part III, all journals that are regularly scanned by

  1. Optimum design of the metal bellows on the SolidWorks platform

    Directory of Open Access Journals (Sweden)

    Mikhail V. Chugunov

    2017-06-01

    Full Text Available Introduction: The metal bellows are widely used in various technical systems as the sensitive, compensating and separating elements. A variety of possible constructive solutions using bellows causes a broad range of standard sizes specified in GOST. In this regard the problem of the metal bellows design, which in the present case resolves itself to the choice of the bellow corresponding to the set specifications optimum, is important. Thus, the purpose of the research is the development of technique and software for the optimum design automation of the considered class structures. Materials and Methods: SolidWorks is the world leader in the area of CAD/CAE computer aided design-engineering system and possesses not only a developed standard functionality, but also opportunities of extension of this functionality by the user. In this article SolidWorks is used as a platform for the development of Add-In application to create automatically the metal bellow 3D model for the given parameters from the database corresponding to the given specifications. At the same time access to SolidWorks simulation functionality, through the analysis of SolidWorks Simulation, and to the appropriate database is provided by COM technology. For the solution of the optimization problem, the functionality of the Add-In-application developed by authors of this article is used. A development environment is MS Visual Studio C ++ (2015. The basis for work is object-oriented programming with API SolidWorks use. Results: The technique of optimum design of the metal bellows is developed. The software represents the SolidWorks application for practical use creating the project solution in the form of 3D models (parts and assemblies corresponding to the given specifications. Discussion and Conclusions: The developed technique and software reduce considerably time for the development of the project for structures of the considered class.

  2. Determination of optimum filter in inferolateral view of myocardial SPECT

    International Nuclear Information System (INIS)

    Takavar; Eftekhari, M.; Fallahi, B.; Shamsipour, Gh.; Sohrabi, M.; Saghari, M.

    2004-01-01

    Background: In myocardial perfusion SPECT imaging, images are degraded by photon attenuation, distance-dependent collimator, detector response and photon scattering. As filters greatly affect quality of nuclear medicine images, in this study determination of optimum filter for inferolateral view is our prime objective. Materials and Methods: .A phantom simulating heart left ventricle was built. About 1mCi of 99m Tc, was injected into the phantom. Images were taken from this phantom. Parzen, Hamming, Hanning, Butter worth and Gaussian filters were exerted on the images obtained from the phantom.. By defining some criteria such as contrast, signal to noise ratio, and defect size delectability, the best filter was determined for our ADAC spect system at our nuclear medicine center. In this study, 27 patients who previously had undergone coronary angiography were chosen to be included. All of these patients revealed significant stenosis in the left circumflex artery. Myocardial SPECT images of these patients had inferolateral defect. The images of these patients were processed with 12 filters including the optimum filters obtained from phantom study and some other non-optimum filters. A nuclear medicine physician quantified the results by assigmng mark from 0 to 4. to every image. 0 mark for images that didn't show the defect properly and 4 for the best one. The data from patient study were analyzed with non-related, non -parametric Friedman test. Results: Nyquist frequency of 0.325 and 0.5 were obtained as the optimum cut-off frequencies for hamming and Hanning filters respectively. Order 11 and cut-off frequency of 0.45 and order 20. with cut-off frequency of 0.5 were found to be optimum for Butter worth and Gaussian filters. In patient studies it was found that, Butter worth filter with cut-off frequency of 0.45 and order of 11 produced the best quality images. Conclusion: In this study. Butter worth filter with cut-off frequency of 0.45 and order of 11 was the

  3. Title V Workforce Development in the Era of Health Transformation.

    Science.gov (United States)

    Margolis, Lewis; Mullenix, Amy; Apostolico, Alexsandra A; Fehrenbach, Lacy M; Cilenti, Dorothy

    2017-11-01

    Purpose The National Maternal and Child Health Workforce Development Center at UNC Chapel Hill (the Center), funded by the Maternal and Child Health Bureau, provides Title V state/jurisdiction leaders and staff and partners from other sectors with opportunities to develop skills in quality improvement, systems mapping and analysis, change management, and strategies to enhance access to care to leverage and implement health transformation opportunities to improve the health of women and children. Description Since 2013, the Center has utilized a variety of learning platforms to reach state and jurisdiction Title V leaders. In the intensive training program, new skills and knowledge are applied to a state-driven health transformation project and include distance-based learning opportunities, multi-day, in-person training and/or onsite consultation, as well as individualized coaching to develop workforce skills. Assessment The first intensive cohort of eight states reported enhanced skills in the core areas of quality improvement, systems mapping and analysis, change management, and strategies to enhance access to care which guided changes at state system and policy levels. In addition, teams reported new and/or enhanced partnerships with many sectors, thereby leveraging Title V resources to increase its impact. Conclusion The Center's provision of core workforce skills and application to state-defined goals has enabled states to undertake projects and challenges that not only have a positive impact on population health, but also encourage collaborative, productive partnerships that were once found to be challenging-creating a workforce capable of advancing the health and wellbeing of women and children.

  4. Determination of optimum oven cooking procedures for lean beef products.

    Science.gov (United States)

    Rodas-González, Argenis; Larsen, Ivy L; Uttaro, Bethany; Juárez, Manuel; Parslow, Joyce; Aalhus, Jennifer L

    2015-11-01

    In order to determine optimum oven cooking procedures for lean beef, the effects of searing at 232 or 260°C for 0, 10, 20 or 30 min, and roasting at 160 or 135°C on semimembranosus (SM) and longissimus lumborum (LL) muscles were evaluated. In addition, the optimum determined cooking method (oven-seared for 10 min at 232°C and roasted at 135°C) was applied to SM roasts varying in weight from 0.5 to 2.5 kg. Mainly, SM muscles seared for 0 or 10 min at 232°C followed by roast at 135°C had lower cooking loss, higher external browning color, more uniform internal color, and were more tender and flavorful (P searing is the recommended oven cooking procedure; with best response from muscle roast weight ≥1 kg.

  5. RECENT APPROACHES IN THE OPTIMUM CURRENCY AREAS THEORY

    Directory of Open Access Journals (Sweden)

    AURA SOCOL

    2011-04-01

    Full Text Available This study is dealing with the endogenous characteristic of the OCA criteria, starting from the idea that a higherconformity of the business cycles will result in a better timing of the economic cycles and, thus, in getting closerto the quality of an optimum currency area. Thus, if the classical theory is focused on a static approach of theproblem, the new theories assert that these conditions are dynamic, and they cannot be positively affected evenby the establishment of the Economic and Monetary Union. The consequences are overwhelming, as theendogenous approach shows that a monetary union can be achieved even if all the conditions mentioned inMundell’s optimum currency areas theory are not met, showing that some of them may also be met subsequentto the unification. Thus, a country joining a monetary union, althogh it does not meet the criteria for an optimumcurrency area, will ex post lead to the increase of the integration and business cycle correlation degree.

  6. Determination of optimum pressurizer level for kori unit 1

    Energy Technology Data Exchange (ETDEWEB)

    Song, Dong Soo; Lee, Chang Sup; Lee Jae Yong; Kim, Yo Han; Lee, Dong Hyuk [Korea Electric Power Research Institute, Taejon (Korea, Republic of)

    1997-12-31

    To determine the optimum pressurizer water level during normal operation for Kori unit 1, performance and safety analysis are performed. The methodology is developed by evaluating {sup d}ecrease in secondary heat removal{sup e}vents such as Loss of Normal Feedwater accident. To demonstrate optimum pressurizer level setpoint, RETRAN-03 code is used for performance analysis. Analysis results of RETRAN following reactor trip are compared with the actual plant data to justify RETRAN code modelling. The results of performance and safety analyses show that the newly established level setpoints not only improve the performance of pressurizer during transient including reactor trip but also meet the design bases of the pressurizer volume and pressure. 6 refs., 5 figs. (Author)

  7. Optimum design of exploding pusher target to produce maximum neutrons

    International Nuclear Information System (INIS)

    Kitagawa, Y.; Miyanaga, N.; Kato, Y.; Nakatsuka, M.; Nishiguchi, A.; Yabe, T.; Yamanaka, C.

    1985-03-01

    Exploding pusher target experiments have been conducted with the 1.052-μm GEKKO MII two-beam glass laser system to design an optimum target, which couples to the incident laser light most effectively to produce the maximum neutrons. Since hot electrons preheat the shell entirely in spite of strongly nonuniform irradiation, a simple model can design the optimum target, of which the shell/fuel interface is accelerated to 0.5 to 0.7 times the initial radius within a laser pulse. A 2-dimensional computer simulation supports this target design. The scaling of the neutron yield N with the laser power P is N ∝ P 2.4±0.4 . (author)

  8. Determination of the Optimum Ozone Product on the Plasma Ozonizer

    International Nuclear Information System (INIS)

    Agus Purwadi; Widdi Usada; Suryadi; Isyuniarto; Sri Sukmajaya

    2002-01-01

    An experiment of the optimum ozone product determination on the cylindrical plasma ozonizer has been done. The experiment is carried out by using alternating high voltage power supply, oscilloscope CS-1577 A, flow meter and spectronik-20 instrument for the absorbance solution samples which produced by varying the physics parameter values of the discharge alternating high voltage and velocity of oxygen gas input. The plasma ozonizer is made of cylinder stainless steel as the electrode and cylinder glass as the dielectric with 1.00 mm of the discharge gap and 7.225 mm 3 of the discharge tube volume. The experiment results shows that the optimum ozone product is 0.360 mg/s obtained at the the discharge of alternating high voltage of 25.50 kV, the frequency of 1.00 kHz and the rate of oxygen gas input of 1.00 lpm. (author)

  9. Determination of optimum pressurizer level for kori unit 1

    Energy Technology Data Exchange (ETDEWEB)

    Song, Dong Soo; Lee, Chang Sup; Yong, Lee Jae; Kim, Yo Han; Lee, Dong Hyuk [Korea Electric Power Research Institute, Taejon (Korea, Republic of)

    1998-12-31

    To determine the optimum pressurizer water level during normal operation for Kori unit 1, performance and safety analysis are performed. The methodology is developed by evaluating {sup d}ecrease in secondary heat removal{sup e}vents such as Loss of Normal Feedwater accident. To demonstrate optimum pressurizer level setpoint, RETRAN-03 code is used for performance analysis. Analysis results of RETRAN following reactor trip are compared with the actual plant data to justify RETRAN code modelling. The results of performance and safety analyses show that the newly established level setpoints not only improve the performance of pressurizer during transient including reactor trip but also meet the design bases of the pressurizer volume and pressure. 6 refs., 5 figs. (Author)

  10. Optimum Design of Heat Exchangers Networks Part -I: Software Development

    International Nuclear Information System (INIS)

    Gabr, E.M.A.; EI-Temtamy, S.A.; Deriasl, S.F.; Moustafa, H.A.

    2004-01-01

    In this paper, we have developed a computerized framework for Heat Exchanger Network Synthesis (HENS) with optimality conditions of achieving the least operating and capital cost. The framework of HEN design involves the development three-computer programs, which applied sequentially to design an optimum HEN. The first program Automatic Minimum Utilities [AMU] developed for automatic formulation of LP equations, these equations can be solved by the optimization software [LINDO] to predict minimum hot and cold utilities. The second program based on Vertical Heat Transfer Method [VHTM] for predicting minimum overall heat transfer area and defining the optimum δbT m in. The third program [Mod.RESHEX] developed for targeting of heat transfer area and automatic synthesis of HEN. This program represents the modifications and development of RESHEX method to overcome the design defects, which appeared on original RESHEX applications

  11. Determining optimum aging time using novel core flooding equipment

    DEFF Research Database (Denmark)

    Ahkami, Mehrdad; Chakravarty, Krishna Hara; Xiarchos, Ioannis

    2016-01-01

    the optimum aging time regardless of variations in crude oil, rock, and brine properties. State of the art core flooding equipment has been developed that can be used for consistently determining the resistivity of the coreplug during aging and waterflooding using advanced data acquisition software......New methods for enhanced oil recovery are typically developed using core flooding techniques. Establishing reservoir conditions is essential before the experimental campaign commences. The realistic oil-rock wettability can be obtained through optimum aging of the core. Aging time is affected....... In the proposed equipment, independent axial and sleeve pressure can be applied to mimic stresses at reservoir conditions. 10 coreplugs (four sandstones and six chalk samples) from the North Sea have been aged for more than 408 days in total and more than 29000 resistivity data points have been measured...

  12. Application of customer-interruption costs for optimum distribution planning

    International Nuclear Information System (INIS)

    Mok, Y.L.; Chung, T.S.

    1996-01-01

    We present a new methodology for obtaining optimum values of the integrated cost of utility investment with customer interruption in distribution planning for electric power systems by determining the reliability cost and worth of the distribution system. Reliability cost refers to investment cost of the utility in achieving a defined level of reliability. Reliability worth is the benefit gained by the utility customer from an increase of reliability. A computer program has been developed to determine comparative reliability indices for a typical distribution network. With the average interruption cost, outage duration, average disconnected load, cost data for distribution equipment, etc. being known, the relation between reliability cost, reliability worth and reliability at the specified load point are obtained. The optimum reliability of the distribution system is then determined from the minimum cost to the utility with customer interruption. The applicability of this approach is demonstrated by several practical networks. (Author)

  13. Optimum Conditions for Uricase Enzyme Production by Gliomastix gueg

    Directory of Open Access Journals (Sweden)

    Atalla, M. M.

    2009-01-01

    Full Text Available Nineteen strains of microorganisms were screened for uricase production. Gliomastix gueg was recognized to produce high levels of the enzyme. The optimum fermentation conditions for uricase production by Gliomastix gueg were examined. Results showed that uric acid medium was the most favorable one, the optimum temperature was at 30ºC, and incubation period required for maximum production was 8 days with aeration level at 150 rpm and at pH 8.0. Sucrose proved to be the best carbon source, uric acid was found to be the best nitrogen source. Both, dipotassium hydrogen phosphate and ferrous chloride as well as some vitamins gave the highest amount of uricase by Gliomastix gueg.

  14. Optimum biasing of integral equations in Monte Carlo calculations

    International Nuclear Information System (INIS)

    Hoogenboom, J.E.

    1979-01-01

    In solving integral equations and estimating average values with the Monte Carlo method, biasing functions may be used to reduce the variancee of the estimates. A simple derivation was used to prove the existence of a zero-variance collision estimator if a specific biasing function and survival probability are applied. This optimum biasing function is the same as that used for the well known zero-variance last-event estimator

  15. Optimum design of Nd-doped fiber optical amplifiers

    DEFF Research Database (Denmark)

    Rasmussen, Thomas; Bjarklev, Anders Overgaard; Lumholt, Ole

    1992-01-01

    The waveguide parameters for a Nd-doped fluoride (Nd:ZBLANP) fiber amplifier have been optimized for small-signal and booster operation using an accurate numerical model. The optimum cutoff wavelength is shown to be 800 nm and the numerical aperture should be made as large as possible. Around 80%......% booster quantum conversion efficiency can be reached for an input power of 10 dBm and a pump power of 100 mW by the use of one filter...

  16. Optimum concrete compression strength using bio-enzyme

    OpenAIRE

    Bagio Tony Hartono; Basoeki Makno; Tistogondo Julistyana; Pradana Sofyan Ali

    2017-01-01

    To make concrete with high compressive strength and has a certain concrete specifications other than the main concrete materials are also needed concrete mix quality control and other added material is also in line with the current technology of concrete mix that produces concrete with specific characteristics. Addition of bio enzyme on five concrete mixture that will be compared with normal concrete in order to know the optimum level bio-enzyme in concrete to increase the strength of the con...

  17. Theoretical and numerical study of an optimum design algorithm

    International Nuclear Information System (INIS)

    Destuynder, Philippe.

    1976-08-01

    This work can be separated into two main parts. First, the behavior of the solution of an elliptic variational equation is analyzed when the domain is submitted to a small perturbation. The case of inequations is also considered. Secondly the previous results are used for deriving an optimum design algorithm. This algorithm was suggested by the center-method proposed by Huard. Numerical results show the superiority of the method on other different optimization techniques [fr

  18. Generating AN Optimum Treatment Plan for External Beam Radiation Therapy.

    Science.gov (United States)

    Kabus, Irwin

    1990-01-01

    The application of linear programming to the generation of an optimum external beam radiation treatment plan is investigated. MPSX, an IBM linear programming software package was used. All data originated from the CAT scan of an actual patient who was treated for a pancreatic malignant tumor before this study began. An examination of several alternatives for representing the cross section of the patient showed that it was sufficient to use a set of strategically placed points in the vital organs and tumor and a grid of points spaced about one half inch apart for the healthy tissue. Optimum treatment plans were generated from objective functions representing various treatment philosophies. The optimum plans were based on allowing for 216 external radiation beams which accounted for wedges of any size. A beam reduction scheme then reduced the number of beams in the optimum plan to a number of beams small enough for implementation. Regardless of the objective function, the linear programming treatment plan preserved about 95% of the patient's right kidney vs. 59% for the plan the hospital actually administered to the patient. The clinician, on the case, found most of the linear programming treatment plans to be superior to the hospital plan. An investigation was made, using parametric linear programming, concerning any possible benefits derived from generating treatment plans based on objective functions made up of convex combinations of two objective functions, however, this proved to have only limited value. This study also found, through dual variable analysis, that there was no benefit gained from relaxing some of the constraints on the healthy regions of the anatomy. This conclusion was supported by the clinician. Finally several schemes were found that, under certain conditions, can further reduce the number of beams in the final linear programming treatment plan.

  19. Choice of economical optimum blanket of hybrid reactors

    Energy Technology Data Exchange (ETDEWEB)

    Blinkin, V L; Novikov, V M

    1981-01-01

    The economical effectiveness of symbiotic power systems depends on the choice of the correlation between energy production and fissile fuel production in blankets of controlled thermonuclear fusion reactor (CTR), what is investigated here. It is shown that the optimum value of this correlation essentially depends on the ratio between the specific costs for energy production in hybrid thermonuclear reactors and that in fission reactors as part of the symbiotic system.

  20. The SNS target station preliminary Title I shielding analyses

    International Nuclear Information System (INIS)

    Johnson, J.O.; Santoro, R.T.; Lillie, R.A.; Barnes, J.M.; McNeilly, G.S.

    2000-01-01

    The Department of Energy (DOE) has given the Spallation Neutron Source (SNS) project approval to begin Title I design of the proposed facility to be built at Oak Ridge National Laboratory (ORNL). During the conceptual design phase of the SNS project, the target station bulk-biological shield was characterized and the activation of the major targets station components was calculated. Shielding requirements were assessed with respect to weight, space, and dose-rate constraints for operating, shut-down, and accident conditions utilizing the SNS shield design criteria, DOE Order 5480.25, and requirements specified in 10 CFR 835. Since completion of the conceptual design phase, there have been major design changes to the target station as a result of the initial shielding and activation analyses, modifications brought about due to engineering concerns, and feedback from numerous external review committees. These design changes have impacted the results of the conceptual design analyses, and consequently, have required a re-investigation of the new design. Furthermore, the conceptual design shielding analysis did not address many of the details associated with the engineering design of the target station. In this paper, some of the proposed SNS target station preliminary Title I shielding design analyses will be presented. The SNS facility (with emphasis on the target station), shielding design requirements, calculational strategy, and source terms used in the analyses will be described. Preliminary results and conclusions, along with recommendations for additional analyses, will also be presented. (author)

  1. 7 CFR 1927.55 - Title clearance services.

    Science.gov (United States)

    2010-01-01

    ... REGULATIONS TITLE CLEARANCE AND LOAN CLOSING Real Estate Title Clearance and Loan Closing § 1927.55 Title clearance services. (a) Responsibilities of closing agents. Services to be provided to the agency and the borrower by a closing agent in connection with the transaction vary depending on whether a title insurance...

  2. Title of the paper goes here second line

    Indian Academy of Sciences (India)

    %%Please download if these packages are not included %%in your local TeX distribution %%txfonts,balance,textcase,float %% \\begin{document} %%paper title %%For line breaks, \\\\ can be used within title \\title{Title of the paper goes here\\\\ second line} %%author names are separated by comma (,) %%use \\and before ...

  3. An integrated expert system for optimum in core fuel management

    International Nuclear Information System (INIS)

    Abd Elmoatty, Mona S.; Nagy, M.S.; Aly, Mohamed N.; Shaat, M.K.

    2011-01-01

    Highlights: → An integrated expert system constructed for optimum in core fuel management. → Brief discussion of the ESOIFM Package modules, inputs and outputs. → Package was applied on the DALAT Nuclear Research Reactor (0.5 MW). → The Package verification showed good agreement. - Abstract: An integrated expert system called Efficient and Safe Optimum In-core Fuel Management (ESOIFM Package) has been constructed to achieve an optimum in core fuel management and automate the process of data analysis. The Package combines the constructed mathematical models with the adopted artificial intelligence techniques. The paper gives a brief discussion of the ESOIFM Package modules, inputs and outputs. The Package was applied on the DALAT Nuclear Research Reactor (0.5 MW). Moreover, the data of DNRR have been used as a case study for testing and evaluation of ESOIFM Package. This paper shows the comparison between the ESOIFM Package burn-up results, the DNRR experimental burn-up data, and other DNRR Codes burn-up results. The results showed good agreement.

  4. Optimum profit model considering production, quality and sale problem

    Science.gov (United States)

    Chen, Chung-Ho; Lu, Chih-Lun

    2011-12-01

    Chen and Liu ['Procurement Strategies in the Presence of the Spot Market-an Analytical Framework', Production Planning and Control, 18, 297-309] presented the optimum profit model between the producers and the purchasers for the supply chain system with a pure procurement policy. However, their model with a simple manufacturing cost did not consider the used cost of the customer. In this study, the modified Chen and Liu's model will be addressed for determining the optimum product and process parameters. The authors propose a modified Chen and Liu's model under the two-stage screening procedure. The surrogate variable having a high correlation with the measurable quality characteristic will be directly measured in the first stage. The measurable quality characteristic will be directly measured in the second stage when the product decision cannot be determined in the first stage. The used cost of the customer will be measured by adopting Taguchi's quadratic quality loss function. The optimum purchaser's order quantity, the producer's product price and the process quality level will be jointly determined by maximising the expected profit between them.

  5. An optimum analysis sequence for environmental gamma-ray spectrometry

    Energy Technology Data Exchange (ETDEWEB)

    De la Torre, F.; Rios M, C.; Ruvalcaba A, M. G.; Mireles G, F.; Saucedo A, S.; Davila R, I.; Pinedo, J. L., E-mail: fta777@hotmail.co [Universidad Autonoma de Zacatecas, Centro Regional de Estudis Nucleares, Calle Cipres No. 10, Fracc. La Penuela, 98068 Zacatecas (Mexico)

    2010-10-15

    This work aims to obtain an optimum analysis sequence for environmental gamma-ray spectroscopy by means of Genie 2000 (Canberra). Twenty different analysis sequences were customized using different peak area percentages and different algorithms for: 1) peak finding, and 2) peak area determination, and with or without the use of a library -based on evaluated nuclear data- of common gamma-ray emitters in environmental samples. The use of an optimum analysis sequence with certified nuclear information avoids the problems originated by the significant variations in out-of-date nuclear parameters of commercial software libraries. Interference-free gamma ray energies with absolute emission probabilities greater than 3.75% were included in the customized library. The gamma-ray spectroscopy system (based on a Ge Re-3522 Canberra detector) was calibrated both in energy and shape by means of the IAEA-2002 reference spectra for software intercomparison. To test the performance of the analysis sequences, the IAEA-2002 reference spectrum was used. The z-score and the reduced {chi}{sup 2} criteria were used to determine the optimum analysis sequence. The results show an appreciable variation in the peak area determinations and their corresponding uncertainties. Particularly, the combination of second derivative peak locate with simple peak area integration algorithms provides the greater accuracy. Lower accuracy comes from the combination of library directed peak locate algorithm and Genie's Gamma-M peak area determination. (Author)

  6. An optimum analysis sequence for environmental gamma-ray spectrometry

    International Nuclear Information System (INIS)

    De la Torre, F.; Rios M, C.; Ruvalcaba A, M. G.; Mireles G, F.; Saucedo A, S.; Davila R, I.; Pinedo, J. L.

    2010-10-01

    This work aims to obtain an optimum analysis sequence for environmental gamma-ray spectroscopy by means of Genie 2000 (Canberra). Twenty different analysis sequences were customized using different peak area percentages and different algorithms for: 1) peak finding, and 2) peak area determination, and with or without the use of a library -based on evaluated nuclear data- of common gamma-ray emitters in environmental samples. The use of an optimum analysis sequence with certified nuclear information avoids the problems originated by the significant variations in out-of-date nuclear parameters of commercial software libraries. Interference-free gamma ray energies with absolute emission probabilities greater than 3.75% were included in the customized library. The gamma-ray spectroscopy system (based on a Ge Re-3522 Canberra detector) was calibrated both in energy and shape by means of the IAEA-2002 reference spectra for software intercomparison. To test the performance of the analysis sequences, the IAEA-2002 reference spectrum was used. The z-score and the reduced χ 2 criteria were used to determine the optimum analysis sequence. The results show an appreciable variation in the peak area determinations and their corresponding uncertainties. Particularly, the combination of second derivative peak locate with simple peak area integration algorithms provides the greater accuracy. Lower accuracy comes from the combination of library directed peak locate algorithm and Genie's Gamma-M peak area determination. (Author)

  7. WHAT IS THE OPTIMUM SIZE OF GOVERNMENT: A SUGGESTION

    Directory of Open Access Journals (Sweden)

    Aykut Ekinci

    2011-01-01

    Full Text Available What is the optimum size of government? When the rule of law and the establishment of private property rights are taken into consideration, it is clear that the answer will not be at some 0%. On the other hand, when the experience of the old Soviet Union, East Germany and North Korea is considered, the answer will not be at some 100% either. Therefore, extreme points should not be the right answer. This study offers using normal distribution to answer this question. The study has revealed the following findings: (i The total amount of public expenditures as % of GDP, a is at minimum level at 4.55% rate, b is at optimum level at 13.4% rate, c is at maximum level at 31.7%. (ii Thus, as a fiscal rule, countries should: a choose the total amount of public expenditures as % of GDP ≤ 31.7% b target 13.4%. (iii Tree dimensional (3D normal distribution demonstrates that a healthy market system could be built upon a healthy government system (iv This approach rejects Wagner’s law. In a healthy growing economy, optimum government size could be kept at 13.4%. (v The UK, the USA and the European countries have been in the Keynesian-Marxist area, which reduces their average growth.

  8. Optimum Antenna Downtilt Angles for Macrocellular WCDMA Network

    Directory of Open Access Journals (Sweden)

    Niemelä Jarno

    2005-01-01

    Full Text Available The impact of antenna downtilt on the performance of cellular WCDMA network has been studied by using a radio network planning tool. An optimum downtilt angle has been evaluated for numerous practical macrocellular site and antenna configurations for electrical and mechanical antenna downtilt concepts. The aim of this massive simulation campaign was expected to provide an answer to two questions: firstly, how to select the downtilt angle of a macrocellular base station antenna? Secondly, what is the impact of antenna downtilt on system capacity and network coverage? Optimum downtilt angles were observed to vary between – depending on the network configuration. Moreover, the corresponding downlink capacity gains varied between – . Antenna vertical beamwidth affects clearly the required optimum downtilt angle the most. On the other hand, with wider antenna vertical beamwidth, the impact of downtilt on system performance is not such imposing. In addition, antenna height together with the size of the dominance area affect the required downtilt angle. Finally, the simulation results revealed how the importance of the antenna downtilt becomes more significant in dense networks, where the capacity requirements are typically also higher.

  9. Planning of optimum production from a natural gas field

    Energy Technology Data Exchange (ETDEWEB)

    Van Dam, J

    1968-03-01

    The design of an optimum development plan for a natural gas field always depends on the typical characteristics of the producing field, as well as those of the market to be served by this field. Therefore, a good knowledge of the field parameters, such as the total natural gas reserves, the well productivity, and the dependence of production rates on pipeline pressure and depletion of natural gas reserves, is required prior to designing the development scheme of the field, which in fact depends on the gas-sales contract to be concluded in order to commit the natural gas reserves to the market. In this paper these various technical parameters are discussed in some detail, and on this basis a theoretical/economical analysis of natural gas production is given. For this purpose a simplified economical/mathematical model for the field is proposed, from which optimum production rates at various future dates can be calculated. The results of these calculations are represented in a dimensionless diagram which may serve as an aid in designing optimum development plans for a natural gas field. The use of these graphs is illustrated in a few examples.

  10. The theory of an ‘optimum currency area’

    Directory of Open Access Journals (Sweden)

    Jarosław Kundera

    2012-12-01

    Full Text Available The main goal of this paper is to analyse and distinguish the main components of the theory of an ‘Optimum Currency Area’. The theory of an optimum currency area indicates some essential elements as preconditions for the successful introduction of a common currency: high mobility of labour, openness of the economy defined as a high proportion of tradable to non-tradable goods, and high diversification of domestic production before joining the union. The article’s analysis helps to better understanding the reasons of the current crisis in the euro zone. The main problem with a common currency area is the adjustment to imbalances, which cannot take place through exchange rates in conditions of a common currency. The missing elements of the theory are the role of the mobility of capital to correct interregional balance of payments disequilibria and lack of a common budget with sufficient own resources during the occurrence of debt crises in member countries. The theory of an optimum currency area has noticed the importance of coordination between fiscal and monetary policy and the necessity of redistribution of resources among partners. However, it does not say much about the methods applied, how to deal with debt crises and what the cost of a potential breaking up of monetary union would be.

  11. Semianalytical and Seminumerical Calculations of Optimum Material Distributions

    Energy Technology Data Exchange (ETDEWEB)

    Andersson, Gunnar

    1963-06-15

    Perturbation theory applied to the multigroup diffusion equations gives a general condition for optimum distribution of reactor materials. A certain function of the material densities and the fluxes, here called the W (eight) function, must thus be constant where the variable material density is larger than zero if changes in this density affect only the group constants where the changes occur. The weight function is, however, generally a complicated function and complete solutions have therefore previously been presented only for the special case when constant weight function implies constant thermal flux. It is demonstrated that the condition of constant weight function can be used together with well known methods for numerical solution of the multigroup diffusion equations to obtain optimum material distributions also when the thermal flux varies over the core. Solution of the minimum fuel mass problem for two reflected reactors thus shows that an effective reflector such as D{sub 2}O gives a peak in the optimum fuel distribution at the core-reflector interface, while an ineffective reflector such as a breeder blanket or a steel tank wall 'pushes' the fuel away from the strongly absorbing zone. It is also interesting to compare the effective reflector case with analytically obtained solutions corresponding to flat power density, flat thermal flux and flat fuel density.

  12. Optimum heat power cycles for specified boundary conditions

    International Nuclear Information System (INIS)

    Ibrahim, O.M.; Klein, S.A.; Mitchell, J.W.

    1991-01-01

    In this paper optimization of the power output of Carnot and closed Brayton cycles is considered for both finite and infinite thermal capacitance rates of the external fluid streams. The method of Lagrange multipliers is used to solve for working fluid temperatures that yield maximum power. Analytical expressions for the maximum power and the cycle efficiency at maximum power are obtained. A comparison of the maximum power from the two cycles for the same boundary conditions, i.e., the same heat source/sink inlet temperatures, thermal capacitance rates, and heat exchanger conductances, shows that the Brayton cycle can produce more power than the Carnot cycle. This comparison illustrates that cycles exist that can produce more power than the Carnot cycle. The optimum heat power cycle, which will provide the upper limit of power obtained from any thermodynamic cycle for specified boundary conditions and heat exchanger conductances is considered. The optimum heat power cycle is identified by optimizing the sum of the power output from a sequence of Carnot cycles. The shape of the optimum heat power cycle, the power output, and corresponding efficiency are presented. The efficiency at maximum power of all cycles investigated in this study is found to be equal to (or well approximated by) η = 1 - sq. root T L.in /φT H.in where φ is a factor relating the entropy changes during heat rejection and heat addition

  13. Optimum moisture levels for biodegradation of mortality composting envelope materials.

    Science.gov (United States)

    Ahn, H K; Richard, T L; Glanville, T D

    2008-01-01

    Moisture affects the physical and biological properties of compost and other solid-state fermentation matrices. Aerobic microbial systems experience different respiration rates (oxygen uptake and CO2 evolution) as a function of moisture content and material type. In this study the microbial respiration rates of 12 mortality composting envelope materials were measured by a pressure sensor method at six different moisture levels. A wide range of respiration (1.6-94.2mg O2/g VS-day) rates were observed for different materials, with alfalfa hay, silage, oat straw, and turkey litter having the highest values. These four envelope materials may be particularly suitable for improving internal temperature and pathogen destruction rates for disease-related mortality composting. Optimum moisture content was determined based on measurements across a range that spans the maximum respiration rate. The optimum moisture content of each material was observed near water holding capacity, which ranged from near 60% to over 80% on a wet basis for all materials except a highly stabilized soil compost blend (optimum around 25% w.b.). The implications of the results for moisture management and process control strategies during mortality composting are discussed.

  14. Optimum structure of Whipple shield against hypervelocity impact

    International Nuclear Information System (INIS)

    Lee, M

    2014-01-01

    Hypervelocity impact of a spherical aluminum projectile onto two spaced aluminum plates (Whipple shield) was simulated to estimate an optimum structure. The Smooth Particle Hydrodynamics (SPH) code which has a unique migration scheme from a rectangular coordinate to an axisymmetic coordinate was used. The ratio of the front plate thickness to sphere diameter varied from 0.06 to 0.48. The impact velocities considered here were 6.7 km/s. This is the procedure we explored. To guarantee the early stage simulation, the shapes of debris clouds were first compared with the previous experimental pictures, indicating a good agreement. Next, the debris cloud expansion angle was predicted and it shows a maximum value of 23 degree for thickness ratio of front bumper to sphere diameter of 0.23. A critical sphere diameter causing failure of rear wall was also examined while keeping the total thickness of two plates constant. There exists an optimum thickness ratio of front bumper to rear wall, which is identified as a function of the size combination of the impacting body, front and rear plates. The debris cloud expansion-correlated-optimum thickness ratio study provides a good insight on the hypervelocity impact onto spaced target system.

  15. Optimum structure of Whipple shield against hypervelocity impact

    Science.gov (United States)

    Lee, M.

    2014-05-01

    Hypervelocity impact of a spherical aluminum projectile onto two spaced aluminum plates (Whipple shield) was simulated to estimate an optimum structure. The Smooth Particle Hydrodynamics (SPH) code which has a unique migration scheme from a rectangular coordinate to an axisymmetic coordinate was used. The ratio of the front plate thickness to sphere diameter varied from 0.06 to 0.48. The impact velocities considered here were 6.7 km/s. This is the procedure we explored. To guarantee the early stage simulation, the shapes of debris clouds were first compared with the previous experimental pictures, indicating a good agreement. Next, the debris cloud expansion angle was predicted and it shows a maximum value of 23 degree for thickness ratio of front bumper to sphere diameter of 0.23. A critical sphere diameter causing failure of rear wall was also examined while keeping the total thickness of two plates constant. There exists an optimum thickness ratio of front bumper to rear wall, which is identified as a function of the size combination of the impacting body, front and rear plates. The debris cloud expansion-correlated-optimum thickness ratio study provides a good insight on the hypervelocity impact onto spaced target system.

  16. The optimum decision rules for the oddity task.

    Science.gov (United States)

    Versfeld, N J; Dai, H; Green, D M

    1996-01-01

    This paper presents the optimum decision rule for an m-interval oddity task in which m-1 intervals contain the same signal and one is different or odd. The optimum decision rule depends on the degree of correlation among observations. The present approach unifies the different strategies that occur with "roved" or "fixed" experiments (Macmillan & Creelman, 1991, p. 147). It is shown that the commonly used decision rule for an m-interval oddity task corresponds to the special case of highly correlated observations. However, as is also true for the same-different paradigm, there exists a different optimum decision rule when the observations are independent. The relation between the probability of a correct response and d' is derived for the three-interval oddity task. Tables are presented of this relation for the three-, four-, and five-interval oddity task. Finally, an experimental method is proposed that allows one to determine the decision rule used by the observer in an oddity experiment.

  17. Roadmap Through Title XX. Financing Services for Children Through Title XX and Other Programs: Manual 5.

    Science.gov (United States)

    Copeland, William C.; Iversen, Iver A.

    This manual, part of a Hecht Institute four-manual series entitled Financing Children's Services Through Title XX and Related Programs, teaches what Title XX regulations are, what they mean, and what actions and procedures are commanded by them. The first section covers the necessity of rule systems, the characteristics of a good rule system and…

  18. Title List of documents made publicly available

    International Nuclear Information System (INIS)

    1982-07-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes: (1) docketed material associated with civilian nuclear power plants and other uses of radioactive materials and (2) nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. As used here, docketed does not refer to Court dockets; it refers to the system by which NRC maintains its regulatory records. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index. The docketed information contained in the Title List includes the information formerly issued through the Department of Energy publication Power Reactor Docket Information, last published in January 1979. Microfiche of the docketed information listed in the Title List is available for sale on a subscription basis from the National Technical Information Service (NTIS)

  19. Title List of documents made publicly available

    International Nuclear Information System (INIS)

    1982-06-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes: (1) docketed material associated with civilian nuclear power plants and other uses of radioactive materials and (2) nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. As used here, docketed does not refer to Court dockets; it refers to the system by which NRC maintains its regulatory records. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index. The docketed information contained in the Title List includes the information formerly issued throught the Department of Energy publication Power Reactor Docket Information, last published in January 1979. Microfiche of the docketed information listed in the Title List is available for sale on a subscription basis from the National Technical Information Service (NTIS)

  20. Quarterly title list for the period ending September 1976

    International Nuclear Information System (INIS)

    1976-01-01

    The title list of the Max-Planck-Institut fuer Plasmaphysik and the Projektgruppe fuer Laserforschung of the MPG is concerned with the period from July until September 1976, and it contains: a) 12 titles and abstracts of laboratory reports, b) 37 titles of publications (30 abstracts), c) 20 titles of articles submitted for publication (16 abstracts), and d) 25 titles of lectures (12 abstracts). (GG) [de

  1. New York State Title III NDEA Planning Guide. Revised Edition, 1967-68.

    Science.gov (United States)

    New York State Education Dept., Albany.

    This document provides guidelines for public school authorities who wish to avail themselves of the opportunities provided by the Title III NDEA programs. The document outlines participation in the program in terms of--(1) application procedures, (2) reimbursement procedures, (3) special projects, (4) priority considerations, (5) basic standards…

  2. Energy Information Data Base: serial titles

    International Nuclear Information System (INIS)

    1980-06-01

    The Department of Energy Technical Information Center (TIC) is responsible for creating bibliographic data bases that are used in the announcement and retrieval of publications dealing with all phases of energy. The TIC interactive information processing system makes use of a number of computerized authorities so that consistency can be maintained and indexes can be produced. One such authority is the Energy Information Data Base: Serial Titles. This authority contains the full and abbreviated journal title, country of publication, CODEN, and certain codes. This revision replaces previous revisions of this document

  3. Title list of documents made publicly available

    International Nuclear Information System (INIS)

    1991-01-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes docketed material associated with civilian nuclear power plants and other uses of radioactive materials and nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index. The docketed information contained in the Title List includes the information formerly issued though the Department of Energy publication Power Reactor Docket Information, last published in January 1979

  4. 20 CFR 408.931 - How much will we withhold from your title II and title XVI benefits to recover a title VIII...

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false How much will we withhold from your title II... and Overpayments Adjustment of Title II Benefits § 408.931 How much will we withhold from your title...-due benefits. (b)(1) We will collect the overpayment from current monthly benefits due in a month...

  5. Swedish projects

    International Nuclear Information System (INIS)

    Thunell, J.

    1992-01-01

    A description is given of research activities, concerning heating systems, which were carried out in Sweden during 1991. The main subject areas dealt with under the gas technology group within the area of heating systems were catalytic combustion, polyethylene materials, and gas applications within the paper and pulp industries. A list is given of the titles of project reports published during 1991 and of those begun during that year. Under the Swedish Centre for Gas Technology (SGC), the main areas of research regarding gas applications were polyethylene materials, industrial applications and the reduction of pollutant emissions. A detailed list is given of research projects which were in progress or proposed by March 1992 under the heating system gas technology research group in Sweden. This list also presents the aims and descriptions of the methods, etc. (AB)

  6. Studies on optimum harvest time for hybrid rice seed.

    Science.gov (United States)

    Fu, Hong; Cao, Dong-Dong; Hu, Wei-Min; Guan, Ya-Jing; Fu, Yu-Ying; Fang, Yong-Feng; Hu, Jin

    2017-03-01

    Timely harvest is critical for hybrid rice to achieve maximum seed viability, vigor and yield. However, how to predict the optimum harvest time has been rarely reported so far. The seed vigor of Zhuliangyou 06 (ZLY06) increased and reached the highest level at 20 days after pollination (DAP), when seed moisture content had a lower value, which was maintained until final seed maturation. For Chunyou 84 (CY84), seed vigor, fresh and dry weight had relatively high values at 25 DAP, when seed moisture content reached the lowest value and changed slightly from 25 to 55 DAP. In both hybrid rice varieties, seed glume chlorophyll content declined rapidly from 10 to 30 DAP and remained at a very low level after 35 DAP. Starch content exhibited an increasing trend during seed maturation, while both soluble sugar content and amylase activity decreased significantly at the early stages of seed development. Moreover, correlation analyses showed that seed dry weight, starch content and superoxide dismutase activity were significantly positively correlated with seed vigor. In contrast, chlorophyll content, moisture content, soluble sugar, soluble protein, abscisic acid, gibberellin content, electrical conductivity, catalase and ascorbate peroxidase activities were significantly negatively correlated with seed vigor. Physiological and biochemical parameters were obviously more closely related with seed vigor than with seed germinability during seed development. Seed vigor could be better used as a comprehensive factor to predict the optimum seed harvest time. It is suggested that for ZLY06 seeds could be harvested as early as 20 DAP, whereas for CY84 the earliest optimum harvest time was 25 DAP. © 2016 Society of Chemical Industry. © 2016 Society of Chemical Industry.

  7. Developed Hybrid Model for Propylene Polymerisation at Optimum Reaction Conditions

    Directory of Open Access Journals (Sweden)

    Mohammad Jakir Hossain Khan

    2016-02-01

    Full Text Available A statistical model combined with CFD (computational fluid dynamic method was used to explain the detailed phenomena of the process parameters, and a series of experiments were carried out for propylene polymerisation by varying the feed gas composition, reaction initiation temperature, and system pressure, in a fluidised bed catalytic reactor. The propylene polymerisation rate per pass was considered the response to the analysis. Response surface methodology (RSM, with a full factorial central composite experimental design, was applied to develop the model. In this study, analysis of variance (ANOVA indicated an acceptable value for the coefficient of determination and a suitable estimation of a second-order regression model. For better justification, results were also described through a three-dimensional (3D response surface and a related two-dimensional (2D contour plot. These 3D and 2D response analyses provided significant and easy to understand findings on the effect of all the considered process variables on expected findings. To diagnose the model adequacy, the mathematical relationship between the process variables and the extent of polymer conversion was established through the combination of CFD with statistical tools. All the tests showed that the model is an excellent fit with the experimental validation. The maximum extent of polymer conversion per pass was 5.98% at the set time period and with consistent catalyst and co-catalyst feed rates. The optimum conditions for maximum polymerisation was found at reaction temperature (RT 75 °C, system pressure (SP 25 bar, and 75% monomer concentration (MC. The hydrogen percentage was kept fixed at all times. The coefficient of correlation for reaction temperature, system pressure, and monomer concentration ratio, was found to be 0.932. Thus, the experimental results and model predicted values were a reliable fit at optimum process conditions. Detailed and adaptable CFD results were capable

  8. Optimum MRS site location to minimize spent fuel transportation impacts

    International Nuclear Information System (INIS)

    Hoskins, R.E.

    1987-01-01

    A range of spent fuel transportation system parameters are examined in terms of attributes important to minimizing transportation impacts as a basis for identifying geographic regions best suited for siting a monitored retrievable storage (MRS) facility. Transportation system parameters within existing transport cask design and transportation mode capabilities were systematically analyzed. The optimum MRS location was found to be very sensitive to transportation system assumptions particularly with regard to the relative efficiencies of the reactor-to-MRS and MRS-to-repository components of the system. Moreover, dramatic improvements in the reactor-to-MRS component can be made through use of multiple cask shipment of the largest practical casks by dedicated train compared to the traditional single cask rail (70%) and truck (30%) shipments assumed the Department of Energy in their studies that defined the optimum MRS location in the vicinity of Tennessee. It is important to develop and utilize an efficient transportation system irrespective of whether or not an MRS is in the system. Assuming reasonably achievable efficiency in reactor-to-MRS spent fuel transportation and assigning equal probabilities to the three western sites selected for characterization of being the repository site, the optimum MRS location would be in the far-mid-western states. Based on various geographic criteria including barge access and location in a nuclear service area, the State of Tennessee ranks any place from 12th to the 25th at a penalty of about 30% over the minimum achievable impacts. While minimizing transportation impacts is an important factor, other criteria should also be considered in selecting an MRS site

  9. Factors Influencing Title VII Bilingual Program Institutionalization.

    Science.gov (United States)

    Lewis, Gerald R.; And Others

    1985-01-01

    This study of the primary restraining and driving forces that influence Title VII bilingual education programs found the external environment, the local community, to be the main factor influencing institutionalization and self-renewal. The internal environment--the local school, and the local school's organization or central office, school board,…

  10. What Difference Does a Title Make

    DEFF Research Database (Denmark)

    Balle, Søren Hattesen

    out by Gerard Genette, by naming and “designat[ing] it as precisely as possible and without too much risk of confusion” (Genette, 1997). In accordance with its title the poem thus represents the discourse of a newsreader neutrally reporting the events of war scenario. However, each section of the poem...

  11. 76 FR 60593 - Title VI; Proposed Circular

    Science.gov (United States)

    2011-09-29

    ..., several of them related to ambiguous language in the existing Circular. The proposed Circular reorganizes... regional entity, and inclusive of public and private entities. This term is used exclusively in Chapter IV... revisions to the Title VI Circular. The section that addresses the existing requirement for a Language...

  12. Browse Title Index - African Journals Online

    African Journals Online (AJOL)

    Items 801 - 850 of 1006 ... Issue, Title. Vol 59, No 4 (2017), Spatial patterns and determinants of fertility levels among women of childbearing age in Nigeria, Abstract PDF. Oluwayemisi O. Alaba, Olusanya E. Olubusoye, J.O. Olaomi. Vol 55, No 1 (2013), Spirit(ed) away: preventing foetal alcohol syndrome with motivational ...

  13. 36 CFR 254.15 - Title standards.

    Science.gov (United States)

    2010-07-01

    ...) Conveyances of lands from the United States are made by patent, quitclaim deed, or deed and without express or implied warranties, except as to hazardous substances pursuant to § 254.3 of this subpart. (c) Title... of the existing use(s) authorized under the terms of the grant, permit, easement, or lease. The non...

  14. Providing Transparency to the Title IX Process

    Science.gov (United States)

    Hartle, Terry

    2017-01-01

    When U.S. Secretary of Education Betsy DeVos announced Sept. 7, 2017, that her department would revisit how Title IX rules are enforced with respect to campus sexual assault, she said the first step would be a "transparent notice and comment process" to replace the 2011 "guidance" (and follow up 2014 guidance) that has been…

  15. Software Development Framework For Electronic Land Titles ...

    African Journals Online (AJOL)

    Record keeping is a fundamental activity of public administration. Land Titles management in Nigeria, by virtue of the Land use act 1990, is one of the functions of government. Most of the records hitherto used in managing the records of lands are documented on paper. We carried out an investigation into the suitability of ...

  16. Is optimum and effective work done in administrative jurisdiction

    International Nuclear Information System (INIS)

    Hoecht, H.

    1980-01-01

    Is optimum and effective work done in administrative jurisdiction. The author describes the general situation prevailing in administrative jurisdiction. He gives tables on the number of subjects received per annum, of judges administering justice and figures on executed and non-executed proceedings. He reports on districts of jurisdiction, personnel, court administration and the amount of work. The investigation into administrative jurisdiction has shown accomplishments for 1978 which are not bad at all. Sporadic administrative shortcomings are to be realized and put to an end. (HSCH) [de

  17. Optimum filter-based discrimination of neutrons and gamma rays

    International Nuclear Information System (INIS)

    Amiri, Moslem; Prenosil, Vaclav; Cvachovec, Frantisek

    2015-01-01

    An optimum filter-based method for discrimination of neutrons and gamma-rays in a mixed radiation field is presented. The existing filter-based implementations of discriminators require sample pulse responses in advance of the experiment run to build the filter coefficients, which makes them less practical. Our novel technique creates the coefficients during the experiment and improves their quality gradually. Applied to several sets of mixed neutron and photon signals obtained through different digitizers using stilbene scintillator, this approach is analyzed and its discrimination quality is measured. (authors)

  18. Optimum policies for a system with general imperfect maintenance

    International Nuclear Information System (INIS)

    Sheu, S.-H.; Lin, Y.-B.; Liao, G.-L.

    2006-01-01

    This study considers periodic preventive maintenance policies, which maximizes the availability of a repairable system with major repair at failure. Three types of preventive maintenance are performed, namely: imperfect preventive maintenance (IPM), perfect preventive maintenance (PPM) and failed preventive maintenance (FPM). The probability that preventive maintenance is perfect depends on the number of imperfect maintenances conducted since the previous renewal cycle, and the probability that preventive maintenance remains imperfect is not increasing. The optimum preventive maintenance time that maximizes availability is derived. Various special cases are considered. A numerical example is given

  19. Optimum amount of an insurance sum in life insurance

    Directory of Open Access Journals (Sweden)

    Janez Balkovec

    2001-01-01

    Full Text Available Personal insurance represents one of the sources of personal social security as a category of personal property. How to get a proper life insurance is a frequently asked question. When insuring material objects (car, house..., the problem is usually not in the amount of the taken insurance. With life insurance (abstract goods, problems as such occur. In this paper, we wish to present a model that, according to the financial situation and the anticipated future, makes it possible to calculate the optimum insurance sum in life insurance.

  20. Search for an optimum time response of spark counters

    International Nuclear Information System (INIS)

    Devismes, A.; Finck, Ch.; Kress, T.; Gobbi, A.; Eschke, J.; Herrmann, N.; Hildenbrand, K.D.; Koczon, P.; Petrovici, M.

    2002-01-01

    A spark counter of the type developed by Pestov has been tested with the aim of searching for an optimum time response function, changing voltage, content of noble and quencher gases, pressure and energy-loss. Replacing the usual argon by neon has brought an improvement of the resolution and a significant reduction of tails in the time response function. It has been proven that a counter as long as 90 cm can deliver, using neon gas mixture, a time resolution σ<60 ps with about 1% absolute tail and an efficiency of about 90%

  1. Design optimum frac jobs using virtual intelligence techniques

    Science.gov (United States)

    Mohaghegh, Shahab; Popa, Andrei; Ameri, Sam

    2000-10-01

    Designing optimal frac jobs is a complex and time-consuming process. It usually involves the use of a two- or three-dimensional computer model. For the computer models to perform as intended, a wealth of input data is required. The input data includes wellbore configuration and reservoir characteristics such as porosity, permeability, stress and thickness profiles of the pay layers as well as the overburden layers. Among other essential information required for the design process is fracturing fluid type and volume, proppant type and volume, injection rate, proppant concentration and frac job schedule. Some of the parameters such as fluid and proppant types have discrete possible choices. Other parameters such as fluid and proppant volume, on the other hand, assume values from within a range of minimum and maximum values. A potential frac design for a particular pay zone is a combination of all of these parameters. Finding the optimum combination is not a trivial process. It usually requires an experienced engineer and a considerable amount of time to tune the parameters in order to achieve desirable outcome. This paper introduces a new methodology that integrates two virtual intelligence techniques, namely, artificial neural networks and genetic algorithms to automate and simplify the optimum frac job design process. This methodology requires little input from the engineer beyond the reservoir characterizations and wellbore configuration. The software tool that has been developed based on this methodology uses the reservoir characteristics and an optimization criteria indicated by the engineer, for example a certain propped frac length, and provides the detail of the optimum frac design that will result in the specified criteria. An ensemble of neural networks is trained to mimic the two- or three-dimensional frac simulator. Once successfully trained, these networks are capable of providing instantaneous results in response to any set of input parameters. These

  2. Optimum value of original events on the PEPT technique

    International Nuclear Information System (INIS)

    Sadremomtaz, Alireza; Taherparvar, Payvand

    2011-01-01

    Do Positron emission particle tracking (PEPT) has been used to track the motion of a single radioactively labeled tracer particle within a bed of similar particles. In this paper, the effect of the original event fraction on the results precise in two experiments has been reviewed. Results showed that the algorithm can no longer distinguish some corrupt trajectories, in addition to; further iteration reduces the statistical significance of the sample without improving its quality. Results show that the optimum value of trajectories depends on the type of experiment.

  3. Optimum Value of Original Events on the Pept Technique

    Science.gov (United States)

    Sadremomtaz, Alireza; Taherparvar, Payvand

    2011-12-01

    Do Positron emission particle tracking (PEPT) has been used to track the motion of a single radioactively labeled tracer particle within a bed of similar particles. In this paper, the effect of the original event fraction on the results precise in two experiments has been reviewed. Results showed that the algorithm can no longer distinguish some corrupt trajectories, in addition to; further iteration reduces the statistical significance of the sample without improving its quality. Results show that the optimum value of trajectories depends on the type of experiment.

  4. Design optimum frac jobs using virtual intelligence techniques

    Energy Technology Data Exchange (ETDEWEB)

    Shahab Mohaghegh; Andrei Popa; Sam Ameri [West Virginia University, Morgantown, WV (United States). Petroleum and Natural Gas Engineering

    2000-10-01

    Designing optimal frac jobs is a complex and time-consuming process. It usually involves the use of a two- or three-dimensional computer model. For the computer models to perform as intended, a wealth of input data is required. The input data includes wellbore configuration and reservoir characteristics such as porosity, permeability, stress and thickness profiles of the pay layers as well as the overburden layers. Among other essential information required for the design process is fracturing fluid type and volume, proppant type and volume, injection rate, proppant concentration and frac job schedule. Some of the parameters such as fluid and proppant types have discrete possible choices. Other parameters such as fluid and proppant volume, on the other hand, assume values from within a range of minimum and maximum values. A potential frac design for a particular pay zone is a combination of all of these parameters. Finding the optimum combination is not a trivial process. It usually requires an experienced engineer and a considerable amount of time to tune the parameters in order to achieve desirable outcome. This paper introduces a new methodology that integrates two virtual intelligence techniques, namely, artificial neural networks and genetic algorithms to automate and simplify the optimum frac job design process. This methodology requires little input from the engineer beyond the reservoir characterizations and wellbore configuration. The software tool that has been developed based on this methodology uses the reservoir characteristics and an optimization criteria indicated by the engineer, for example a certain propped frac length, and provides the detail of the optimum frac design that will result in the specified criteria. An ensemble of neural networks is trained to mimic the two- or three-dimensional frac simulator. Once successfully trained, these networks are capable of providing instantaneous results in response to any set of input parameters. These

  5. Optimum commodity taxation with a non-renewable resource

    DEFF Research Database (Denmark)

    Daubanes, Julien Xavier; Lasserre, Pierre

    2017-01-01

    We examine optimum commodity taxation (OCT), including the taxation of non-renewable resources (NRRs), by a government that needs to rely on commodity taxes to raise revenues. NRRs should be taxed at higher rates than otherwise-identical conventional commodities, according to an augmented, dynamic...... formulas can directly be used to indicate how Pigovian taxation of carbon NRRs should be increased in the presence of public-revenue needs, as illustrated in a numerical example. We show that NRR substitutes and complements should receive a particular tax treatment. Finally, in a NRR-importing economy...

  6. Modified loss coefficients in the determination of optimum generation scheduling

    Energy Technology Data Exchange (ETDEWEB)

    Hazarika, D.; Bordoloi, P.K. (Assam Engineering Coll. (IN))

    1991-03-01

    A modified method has been evolved to form the loss coefficients of an electrical power system network by decoupling load and generation and thereby creating additional fictitious load buses. The system losses are then calculated and co-ordinated to arrive at an optimum scheduling of generation using the standard co-ordination equation. The method presented is superior to the ones currently available, in that it is applicable to a multimachine system with random variation of load and it accounts for limits in plant generations and line losses. The precise nature of results and the economy in the cost of energy production obtained by this method is quantified and presented. (author).

  7. Optimum back-pressure forging using servo die cushion

    OpenAIRE

    Kawamoto, Kiichiro; Yoneyama, Takeshi; Okada, Masato; Kitayama, Satoshi; Chikahisa, Junpei

    2014-01-01

    This study focused on utilizing a servo die cushion (in conjunction with a servo press) as a "back-pressure load generator," to determine its effect on shape accuracy of the formed part and total forming load in forward extrusion during cold forging. The effect of back-pressure load application was confirmed in experiments, and the optimum setting pattern of back-pressure load was considered to minimize both shape accuracy of the formed part and back-pressure energy, which was representative ...

  8. Optimum heat storage design for heat integrated multipurpose batch plants

    CSIR Research Space (South Africa)

    Stamp, J

    2011-01-01

    Full Text Available procedure is presented tha journal homepage: www All rights reserved. ajozi T, Optimum heat storage grated multipurpose batch plants , South Africa y usage in multipurpose batch plants has been in published literature most present methods, time... � 2pL?u?kins ? 1 h3A3?u?cu?U (36) The internal area for heat loss by convection from the heat transfer medium is given by Constraint (37) and the area for convective heat transfer losses to the environment is given in Constraint (38). A1?u? ? 2...

  9. Determination of radiography optimum conditions for complex shape products by simplex planning method

    International Nuclear Information System (INIS)

    Kipnis, M.A.; Korsunskij, G.M.; Mironenko, A.F.

    1984-01-01

    It has been suggested that the optimum regime of radiography should be determined using the method of successive simplex planning, which can be convenient in the cases, when the result of testing can not be presented quantitatively. Besides, in this case there is no necessity in duplication of experiments, as even gross errors are automatically corrected with further simplex motion. A plan and results of experimental determination of the optimum regime of product radiography using the X-ray RUP-120-5-1 apparatus are presented. In the experiments described voltage, current intensity and radiography duration are varied. The quality of X-ray images is evaluated according to conventional ten-point scale, taking into account the quality of each projection. It has been established that application of simplex planning to determine regimes of X-ray radiography of different types of products permits to obtain high-quality roentgenograms with simultaneous decrease in the consumption of photomaterials and considerable decrease in the time of laboratory tests

  10. Determination optimum dose gamma ray for make mutation in Banana explant (Musa spp. Var cavendish)

    International Nuclear Information System (INIS)

    Goorchini, H.; Nematzadeh, Gh. A.; Majd, F.; Rahimi, M.

    2006-01-01

    Banana belongs to Musaceae family and Musa genus, categorized as a plant growing in tropical and subtropical regions. In recent years, many attempts have been made for extending the cultivation of this plant in Iran. The cultivars, which are cultivating commonly in Iran are mostly Cavendish and Grand Nain, having rather long heights (2-4 meters). This research has been carried out aiming at determining the optimum dose rate to induce mutation in the banana plant shoot-tips. For this purpose the plant shoot-tips were exposed to various doses of gamma radiation with eight treatments of 0, 10, 15, 20, 25, 35, 45 and 60 Gray. The project was directed in a completely randomized design. After the treatment, various traits such as: number of alive plants, number of leafs, plant height and wet weight have been measured. For the data analysis, SAS and MSTAT softwares have been used in order to evaluate the average values and variances of the output results for the further analysis and comparisons. The results indicate that the dose rates of 25 to 40 Gray are the optimum rate values for induction of the mutation in this plant. Also, the propit analysis shows that the dose rate of 39.8 Gray is at the point of LD50 (50% of the dead level)

  11. Optimum Operating Conditions for PZT Actuators for Vibrotactile Wearables

    Science.gov (United States)

    Logothetis, Irini; Matsouka, Dimitra; Vassiliadis, Savvas; Vossou, Clio; Siores, Elias

    2018-04-01

    Recently, vibrotactile wearables have received much attention in fields such as medicine, psychology, athletics and video gaming. The electrical components presently used to generate vibration are rigid; hence, the design and creation of ergonomical wearables are limited. Significant advances in piezoelectric components have led to the production of flexible actuators such as piezoceramic lead zirconate titanate (PZT) film. To verify the functionality of PZT actuators for use in vibrotactile wearables, the factors influencing the electromechanical conversion were analysed and tested. This was achieved through theoretical and experimental analyses of a monomorph clamped-free structure for the PZT actuator. The research performed for this article is a three-step process. First, a theoretical analysis presents the equations governing the actuator. In addition, the eigenfrequency of the film was analysed preceding the experimental section. For this stage, by applying an electric voltage and varying the stimulating electrical characteristics (i.e., voltage, electrical waveform and frequency), the optimum operating conditions for a PZT film were determined. The tip displacement was measured referring to the mechanical energy converted from electrical energy. From the results obtained, an equation for the mechanical behaviour of PZT films as actuators was deduced. It was observed that the square waveform generated larger tip displacements. In conjunction with large voltage inputs at the predetermined eigenfrequency, the optimum operating conditions for the actuator were achieved. To conclude, PZT films can be adapted to assist designers in creating comfortable vibrotactile wearables.

  12. Optimum Tower Crane Selection and Supporting Design Management

    Directory of Open Access Journals (Sweden)

    Hyo Won Sohn

    2014-08-01

    Full Text Available To optimize tower crane selection and supporting design, lifting requirements (as well as stability should be examined, followed by a review of economic feasibility. However, construction engineers establish plans based on data provided by equipment suppliers since there are no tools with which to thoroughly examine a support design's suitability for various crane types, and such plans lack the necessary supporting data. In such cases it is impossible to optimize a tower crane selection to satisfy lifting requirements in terms of cost, and to perform lateral support and foundation design. Thus, this study is intended to develop an optimum tower crane selection and supporting design management method based on stability. All cases that are capable of generating an optimization of approximately 3,000 ˜ 15,000 times are calculated to identify the candidate cranes with minimized cost, which are examined. The optimization method developed in the study is expected to support engineers in determining the optimum lifting equipment management.

  13. Optimum concrete compression strength using bio-enzyme

    Directory of Open Access Journals (Sweden)

    Bagio Tony Hartono

    2017-01-01

    Full Text Available To make concrete with high compressive strength and has a certain concrete specifications other than the main concrete materials are also needed concrete mix quality control and other added material is also in line with the current technology of concrete mix that produces concrete with specific characteristics. Addition of bio enzyme on five concrete mixture that will be compared with normal concrete in order to know the optimum level bio-enzyme in concrete to increase the strength of the concrete. Concrete with bio-enzyme 200 ml/m3, 400 ml/m3, 600 ml/m3, 800 ml/m3, 1000 ml/m3 and normal concrete. Refer to the crushing test result, its tends to the mathematical model using 4th degree polynomial regression (least quartic, as represent on the attached data series, which is for the design mix fc′ = 25 MPa generate optimum value for 33,98 MPa, on the bio-additive dosage of 509 ml bio enzymes.

  14. The optimum content of rubber ash in concrete: flexural strength

    Science.gov (United States)

    Senin, M. S.; Shahidan, S.; Shamsuddin, S. M.; Ariffin, S. F. A.; Othman, N. H.; Rahman, R.; Khalid, F. S.; Nazri, F. M.

    2017-11-01

    Discarded scrap tyres have become one of the major environmental problems nowadays. Several studies have been carried out to reuse waste tires as an additive or sand replacement in concrete with appropriate percentages of tire rubber, called as rubberized concrete to solve this problem. The main objectives of this study are to investigate the flexural strength performance of concrete when adding the rubber ash and also to analyse the optimum content of rubber ash in concrete prisms. The performance total of 30 number of concrete prisms in size of 100mm x 100mm x 500 mm were investigated, by partially replacement of rubber ash with percentage of 0%, 3%, 5%, 7% and 9% from the volume of the sand. The flexural strength is increased when percentage of rubber ash is added 3% from control concrete prism, RA 0 for both concrete prism age, 7 days and 28 days with value 1.21% and 0.976% respectively. However, for RA 5, RA 7 and RA 9, the flexural strength was decreased compared to the control for both age, 7 days and 28 days. In conclusion, 3% is the optimum content of rubber ash in concrete prism for both concrete age

  15. Determination of the Optimum Conditions for Production of Chitosan Nanoparticles

    Directory of Open Access Journals (Sweden)

    A. Dustgani

    2007-12-01

    Full Text Available Bioedegradable nanoparticles are intensively investigated for their potential applications in drug delivery systems. Being a biocompatible and biodegradable polymer, chitosan holds great promise for use in this area. This investigation was concerned with determination and optimization of the effective parameters involved in the production of chitosan nanoparticles using ionic gelation method. Studied variables were concentration and pH of the chitosan solution, the ratio of chitosan to sodium tripolyphosphate therein and the molecular weight of chitosan. For this purpose, Taguchistatistical method was used for design of experiments in three levels. The size of chitosan nanoparticle was determined using laser light scattering. The experimental results showed that concentration of chitosan solution was the most important parameter and chitosan molecular weight the least effective parameter. The optimum conditions for preparation of nanoparticles were found to be 1 mg/mL chitosan solution with pH=5, chitosan to sodium tripolyphosphate ratio of 3 and chitosan molecular weight of 200,000 daltons. The average nanoparticle size at optimum conditions was found to be about 150 nm.

  16. Optimum distributed generation placement with voltage sag effect minimization

    International Nuclear Information System (INIS)

    Biswas, Soma; Goswami, Swapan Kumar; Chatterjee, Amitava

    2012-01-01

    Highlights: ► A new optimal distributed generation placement algorithm is proposed. ► Optimal number, sizes and locations of the DGs are determined. ► Technical factors like loss, voltage sag problem are minimized. ► The percentage savings are optimized. - Abstract: The present paper proposes a new formulation for the optimum distributed generator (DG) placement problem which considers a hybrid combination of technical factors, like minimization of the line loss, reduction in the voltage sag problem, etc., and economical factors, like installation and maintenance cost of the DGs. The new formulation proposed is inspired by the idea that the optimum placement of the DGs can help in reducing and mitigating voltage dips in low voltage distribution networks. The problem is configured as a multi-objective, constrained optimization problem, where the optimal number of DGs, along with their sizes and bus locations, are simultaneously obtained. This problem has been solved using genetic algorithm, a traditionally popular stochastic optimization algorithm. A few benchmark systems radial and networked (like 34-bus radial distribution system, 30 bus loop distribution system and IEEE 14 bus system) are considered as the case study where the effectiveness of the proposed algorithm is aptly demonstrated.

  17. Impacts of optimum cost effective energy efficiency standards

    International Nuclear Information System (INIS)

    Brancic, A.B.; Peters, J.S.; Arch, M.

    1991-01-01

    Building Codes are increasingly required to be responsive to social and economic policy concerns. In 1990 the State of Connecticut passes An Act Concerning Global Warming, Public Act 90-219, which mandates the revision of the state building code to require that buildings and building elements be designed to provide optimum cost-effective energy efficiency over the useful life of the building. Further, such revision must meet the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) Standard 90.1 - 1989. As the largest electric energy supplier in Connecticut, Northeast Utilities (NU) sponsored a pilot study of the cost effectiveness of alternative building code standards for commercial construction. This paper reports on this study which analyzed design and construction means, building elements, incremental construction costs, and energy savings to determine the optimum cost-effective building code standard. Findings are that ASHRAE 90.1 results in 21% energy savings and alternative standards above it result in significant additional savings. Benefit/cost analysis showed that both are cost effective

  18. Optimum dietary protein requirement of Malaysian mahseer (Tor tambroides) fingerling.

    Science.gov (United States)

    Misieng, Josephine Dorin; Kamarudin, Mohd Salleh; Musa, Mazlinda

    2011-02-01

    The optimum dietary protein requirement of the Malaysian mahseer (Tor tambroides) fingerlings was determined in this study. In this completely randomized designed experiment, formulated diets of five levels of dietary protein (30, 35, 40, 45 and 50%) were tested on the T. tambroides fingerlings (initial body weight of 5.85 +/- 0.40 g), reared in aquarium fitted with a biofiltering system. The fingerlings were fed twice daily at 5% of biomass. The fingerling body weight and total length was taken at every two weeks. Mortality was recorded daily. The dietary protein had significant effects on the body weight gain and Specific Growth Rate (SGR) of the fingerlings. The body weight gain and SGR of fingerlings fed with the diet with the dietary protein level of 40% was significantly higher (p<0.05) than that of 30, 35 and 50%. The feed conversion ratio of the 40% dietary protein was the significantly lowest at 2.19 +/- 0.163. The dietary protein level of 40% was the most optimum for T. tambroides fingerlings.

  19. Optimum energies for dual-energy computed tomography

    International Nuclear Information System (INIS)

    Talbert, A.J.; Brooks, R.A.; Morgenthaler, D.G.

    1980-01-01

    By performing a dual-energy scan, separate information can be obtained on the Compton and photoelectric components of attenuation for an unknown material. This procedure has been analysed for the optimum energies, and for the optimum dose distribution between the two scans. It was found that an equal dose at both energies was a good compromise, compared with optimising the dose distributing for either the Compton or photoelectric components individually. For monoenergetic beams, it was found that low energy of 40 keV produced minimum noise when using high-energy beams of 80 to 100 keV. This was true whether one maintained constant integral dose or constant surface dose. A low energy of 50 keV which is more nearly attainable in practice, produced almost as good a degree of accuracy. The analysis can be extended to polyenergetic beams by the inclusion of a noise factor. The above results were qualitatively unchanged, although the noise was increased by about 20% with integral dose equivalence and 50% with surface dose equivalence. It is very important to make the spectra as narrow as possible, especially at the low energy, in order to minimise the noise. (author)

  20. Optimum Discharge Burnup and Cycle Length for PWRs

    International Nuclear Information System (INIS)

    Secker, Jeffrey R.; Johansen, Baard J.; Stucker, David L.; Ozer, Odelli; Ivanov, Kostadin; Yilmaz, Serkan; Young, E.H.

    2005-01-01

    This paper discusses the results of a pressurized water reactor fuel management study determining the optimum discharge burnup and cycle length. A comprehensive study was performed considering 12-, 18-, and 24-month fuel cycles over a wide range of discharge burnups. A neutronic study was performed followed by an economic evaluation. The first phase of the study limited the fuel enrichments used in the study to 235 U consistent with constraints today. The second phase extended the range of discharge burnups for 18-month cycles by using fuel enriched in excess of 5 wt%. The neutronic study used state-of-the-art reactor physics methods to accurately determine enrichment requirements. Energy requirements were consistent with today's high capacity factors (>98%) and short (15-day) refueling outages. The economic evaluation method considers various component costs including uranium, conversion, enrichment, fabrication and spent-fuel storage costs as well as the effect of discounting of the revenue stream. The resulting fuel cycle costs as a function of cycle length and discharge burnup are presented and discussed. Fuel costs decline with increasing discharge burnup for all cycle lengths up to the maximum discharge burnup considered. The choice of optimum cycle length depends on assumptions for outage costs

  1. Proyectos de Educacion Migrante (Migrant Education Projects).

    Science.gov (United States)

    Gonzalez, Ramon; Garcia, Jose D.

    Written in Spanish and English for project personnel, parents, and others interested in migrant education, the booklet summarizes general concepts and requirements behind Title I-Migrant activities in Oregon, which has been allocated $4,439,341 in Title I-Migrant funds for fiscal year 1980. Following brief definitions of important terms,…

  2. Ex-Post Analysis of Land Title Registration in Ghana Since 2008 Merger

    Directory of Open Access Journals (Sweden)

    Richmond J. Ehwi

    2016-04-01

    Full Text Available Land ownership and security of title have continued to dominate land management discourses in many developing economies, leading to a proliferation of studies that explore, among other things, the nexus between land title registration and land security, women’s access to land, innovation in agriculture, access to finance, and economic development. For many years, Ghana experienced minimal success in formalizing land ownership and title registration. However, public confidence and expectations were raised once more in 2008 with the merger of four disparate land agencies into the New Lands Commission (NLC under the overarching ambit of the Land Administration Project (LAP. This article contributes to existing studies by evaluating the impact of the 2008 merger. This is accomplished by matching the project’s stated objectives with actual outcomes and situating the findings in the broader theoretical debate about land title registration and economic development. Using data gathered through interviews with officials of the Greater Accra Lands Commission and with prospective land title holders, the study concludes that there have not been any great gains in achieving the complete digitization of the title registration process and follow-up procedures. However, there has been a reduction in the turn-around time for processing land documents, from more than 36 months to about 3 months, as well as increased public awareness about the process of title registration. The study recommends further training of staff members of the NLC in handling the digitization process, institutionalization of anti-corruption and anti-bribery practices, and the introduction of a well-functioning customer feedback system.

  3. 24 CFR 203.386 - Coverage of title evidence.

    Science.gov (United States)

    2010-04-01

    ... SINGLE FAMILY MORTGAGE INSURANCE Contract Rights and Obligations Property Title Transfers and Title... the public records, there are not, at such date, any outstanding prior liens, including any past-due...

  4. Optimum regulation of grid monopoly in the power trade

    International Nuclear Information System (INIS)

    Hope, E.

    1994-06-01

    The report discusses the organization and behaviour of grid monopolies in the Norwegian power trade and relations to the socio-economic effectiveness. The main attention is laid on analyzing regulation mechanisms and measures leading to an efficient short-term operation and to the investment of optimum production capacity in a long run. Regarding the management, measures are discussed for increasing the efficiency of total power trade by evaluating the existing marketing function of Statnett. Some basic conditions are accounted concerning the regulation problem of grid monopolies with a particular attention to asymmetric information between the authority and the monopoly. In addition, forms of regulation and regulation mechanisms together with the incentive characteristics of these, are discussed. The existing profit regulation principles in relation to an alternative system design such as maximum price regulation combined with standard regulation, are evaluated. 16 refs., 7 figs

  5. Optimum investment strategy in the power industry mathematical models

    CERN Document Server

    Bartnik, Ryszard; Hnydiuk-Stefan, Anna

    2016-01-01

    This book presents an innovative methodology for identifying optimum investment strategies in the power industry. To do so, it examines results including, among others, the impact of oxy-fuel technology on CO2 emissions prices, and the specific cost of electricity production. The technical and economic analysis presented here extend the available knowledge in the field of investment optimization in energy engineering, while also enabling investors to make decisions involving its application. Individual chapters explore the potential impacts of different factors like environmental charges on costs connected with investments in the power sector, as well as discussing the available technologies for heat and power generation. The book offers a valuable resource for researchers, market analysts, decision makers, power engineers and students alike.

  6. Optimum Choice of RF Frequency for Two Beam Linear Colliders

    CERN Document Server

    Braun, Hans Heinrich

    2003-01-01

    Recent experimental results on normal conducting RF structures indicate that the scaling of the gradient limit with frequency is less favourable than what was believed. We therefore reconsider the optimum choice of RF frequency and iris aperture for a normal conducting, two-beam linear collider with E_CMS=3 TeV, a loaded accelerating gradient of 150 MV/m and a luminosity of 8 10^34 cm-^2 s^-1. The optimisation criterion is minimizing overall RF costs for investment and operation with constraints put on peak surface electric fields and pulsed heating of accelerating structures. Analytical models are employed where applicable, while interpolation on simulation program results is used for the calculation of luminosity and RF structure properties.

  7. Kernel Optimum Nearly-analytical Discretization (KOND) algorithm

    International Nuclear Information System (INIS)

    Kondoh, Yoshiomi; Hosaka, Yasuo; Ishii, Kenji

    1992-10-01

    Two applications of the Kernel Optimum Nearly-analytical Discretization (KOND) algorithm to the parabolic- and the hyperbolic type equations a presented in detail to lead to novel numerical schemes with very high numerical accuracy. It is demonstrated numerically that the two dimensional KOND-P scheme for the parabolic type yields quite less numerical error by over 2-3 orders and reduces the CPU time to about 1/5 for a common numerical accuracy, compared with the conventional explicit scheme of reference. It is also demonstrated numerically that the KOND-H scheme for the hyperbolic type yields fairly less diffusive error and has fairly high stability for both of the linear- and the nonlinear wave propagations compared with other conventional schemes. (author)

  8. Problems in the optimum display of SPECT images

    International Nuclear Information System (INIS)

    Fielding, S.L.

    1988-01-01

    The instrumentation, computer hardware and software, and the image display system are all very important in the production of diagnostically useful SPECT images. Acquisition and processing parameters are discussed which can affect the quality of SPECT images. Regular quality control of the gamma camera and computer is important to keep the artifacts due to instrumentation to a minimum. The choice of reconstruction method will depend on the statistics in the study. The paper has shown that for high count rate studies, a high pass filter can be used to enhance the reconstructions. For lower count rate studies, pre-filtering is useful and the data can be reconstructed into thicker slices to reduce the effect of image noise. Finally, the optimum display for the images must be chosen, so that the information contained in the SPECT data can be easily perceived by the clinician. (orig.) [de

  9. Narratives of Optimum Currency Area theory and Eurozone Governance

    DEFF Research Database (Denmark)

    Snaith, Holly Grace

    2014-01-01

    is the subject of very significant internal disagreement, to the extent that economists writing within the field do not commonly agree upon the ontological foundations of the theory. This entails that the translation of the theory into political reality has been characterised by a series of often mutually...... contradictory narratives, which build upon schisms in the academic corpus. The political realisation of this can be seen during the negotiations over the 1992 process, where certain aspects of the theory concerning governance (of fiscal policy and preferences for conflict adjudication) have been notably......Optimum Currency Area theory (OCA) is a body of research that has, since its inception in 1961, been highly influential for the discourse and design of Economic and Monetary Union, exercising a significant hermeneutical force. Nonetheless, there has been little acknowledgement that OCA...

  10. Optimum conditions for aging of stainless maraging steels

    International Nuclear Information System (INIS)

    Mironenko, P.A.; Krasnikova, S.I.; Drobot, A.V.

    1980-01-01

    Aging kinetics of two 0Kh11N10M2T type steels in which 3 % Mo (steel 1), and 3 % Mo and 11 % Co (steel 2) had been additionally introduced instead of titanium were investigated. Electron microscopy and X-ray methods were used. It was ascertained that the process of steel aging proceeded in 3 stages. Steel 2 was hardened more intensively during the aging, had a higher degree of hardness and strength after the aging, weakened more slowly if overaged than steel 1. The intermetallide hcp-phase Fe 2 Mo was the hardening phase on steels extended aging. Optimum combination of impact strength and strength was was achieved using two-stage aging: the first stage - maximum strength aging was achieved, the second stage - aging at minimum temperatures of two-phase α+γ region

  11. Testing Optimum Seeding Rates for five Bread Wheat Cultivars

    International Nuclear Information System (INIS)

    Wekesa, S.J.; Kiriswa, F.; Owuoche, J.

    1999-01-01

    A cultivar by seed rate trial was conducted in 1994-1995 crop seasons at Njoro, Kenya. Yield results were found to be significant (P > 0.01) for year, variety, seed rate and year by seed rate interaction. Test weight was highly significant (P -1 were grouped together for significantly higher yields (A) whereas seed rates 85 and 50 kg ha -1 had lower significant yields (B and C respectively). The same grouping was repeated for test weight. There was no significant cultivar by seed rate interaction and no cultivar, specific seed rate. However, since seed rates 245, 205, 165 and 125 kg ha -1 were grouped together, the lowest seed rate, 125 kg ha -1 can be recommended as the optimum seed rate for the above cultivars, as higher seed rates do not give significantly higher yields or higher test weights

  12. Optimum design of band-gap beam structures

    DEFF Research Database (Denmark)

    Olhoff, Niels; Niu, Bin; Cheng, Gengdong

    2012-01-01

    The design of band-gap structures receives increasing attention for many applications in mitigation of undesirable vibration and noise emission levels. A band-gap structure usually consists of a periodic distribution of elastic materials or segments, where the propagation of waves is impeded...... or significantly suppressed for a range of external excitation frequencies. Maximization of the band-gap is therefore an obvious objective for optimum design. This problem is sometimes formulated by optimizing a parameterized design model which assumes multiple periodicity in the design. However, it is shown...... in the present paper that such an a priori assumption is not necessary since, in general, just the maximization of the gap between two consecutive natural frequencies leads to significant design periodicity. The aim of this paper is to maximize frequency gaps by shape optimization of transversely vibrating...

  13. Optimum energy management of a photovoltaic water pumping system

    International Nuclear Information System (INIS)

    Sallem, Souhir; Chaabene, Maher; Kamoun, M.B.A.

    2009-01-01

    This paper presents a new management approach which makes decision on the optimum connection times of the elements of a photovoltaic water pumping installation: battery, water pump and photovoltaic panel. The decision is made by fuzzy rules considering the battery safety on the first hand and the Photovoltaic Panel Generation (PVPG) forecast during a considered day and the load required power on the second hand. The optimization approach consists of the extension of the operation time of the water pump with respects to multi objective management criteria. Compared to the stand alone management method, the new approach effectiveness is confirmed by the extension of the pumping period for more than 5 h a day.

  14. Optimum hot water temperature for absorption solar cooling

    Energy Technology Data Exchange (ETDEWEB)

    Lecuona, A.; Ventas, R.; Venegas, M.; Salgado, R. [Dpto. Ingenieria Termica y de Fluidos, Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganes, Madrid (Spain); Zacarias, A. [ESIME UPA, IPN, Av. de las Granjas 682, Col. Santa Catarina, 02550, D.F. Mexico (Mexico)

    2009-10-15

    The hot water temperature that maximizes the overall instantaneous efficiency of a solar cooling facility is determined. A modified characteristic equation model is used and applied to single-effect lithium bromide-water absorption chillers. This model is based on the characteristic temperature difference and serves to empirically calculate the performance of real chillers. This paper provides an explicit equation for the optimum temperature of vapor generation, in terms of only the external temperatures of the chiller. The additional data required are the four performance parameters of the chiller and essentially a modified stagnation temperature from the detailed model of the thermal collector operation. This paper presents and discusses the results for small capacity machines for air conditioning of homes and small buildings. The discussion highlights the influence of the relevant parameters. (author)

  15. On the optimum area-balanced filters for nuclear spectroscopy

    International Nuclear Information System (INIS)

    Ripamonti, G.; Pullia, A.

    1996-01-01

    The minimum noise area-balanced (A-B) filters for nuclear spectroscopy are disentangled in the sum of two optimized individual filters. The former is the unipolar finite cusp filter, used for pulse amplitude estimation but affected by baseline shift errors, the latter is a specific filter used for baseline estimation. Each of them is optimized so as to give the minimum noise in the estimation of the pulse amplitude or of its baseline level. It is shown that double optimisation produces an overall optimum filter exhibiting a total noise V 2 n equal to the sum of the noises V 2 n1 and V 2 n2 exhibited by each filter individually. This is a consequence of the orthogonality of the individual filter weight-functions in a function space where the norm is defined as √(V 2 n ). (orig.)

  16. Constraint-Based Local Search for Constrained Optimum Paths Problems

    Science.gov (United States)

    Pham, Quang Dung; Deville, Yves; van Hentenryck, Pascal

    Constrained Optimum Path (COP) problems arise in many real-life applications and are ubiquitous in communication networks. They have been traditionally approached by dedicated algorithms, which are often hard to extend with side constraints and to apply widely. This paper proposes a constraint-based local search (CBLS) framework for COP applications, bringing the compositionality, reuse, and extensibility at the core of CBLS and CP systems. The modeling contribution is the ability to express compositional models for various COP applications at a high level of abstraction, while cleanly separating the model and the search procedure. The main technical contribution is a connected neighborhood based on rooted spanning trees to find high-quality solutions to COP problems. The framework, implemented in COMET, is applied to Resource Constrained Shortest Path (RCSP) problems (with and without side constraints) and to the edge-disjoint paths problem (EDP). Computational results show the potential significance of the approach.

  17. Environmental Planning Strategies for Optimum Solid Waste Landfill Siting

    International Nuclear Information System (INIS)

    Sumiani, Y.; Onn, C.C.; Mohd, M.A.D.; Wan, W.Z.J.

    2009-01-01

    The use of environmental planning tools for optimum solid waste landfill siting taking into account all environmental implications was carried out by applying Life Cycle Analysis (LCA) to enhance the research information obtained from initial analysis using Geographical Information Systems (GIS). The objective of this study is to identify the most eco-friendly landfill site by conducting a LCA analysis upon 5 potential GIS generated sites which incorporated eleven important criteria related to the social, environmental, and economical factors. The LCA analysis utilized the daily distance covered by collection trucks among the 5 selected landfill sites to generate inventory data on total energy usage for each landfill sites. The planning and selection of the potential sites were facilitated after conducting environmental impact analysis upon the inventory data which showed the least environmental impact. (author)

  18. Optimum Actuator Selection with a Genetic Algorithm for Aircraft Control

    Science.gov (United States)

    Rogers, James L.

    2004-01-01

    The placement of actuators on a wing determines the control effectiveness of the airplane. One approach to placement maximizes the moments about the pitch, roll, and yaw axes, while minimizing the coupling. For example, the desired actuators produce a pure roll moment without at the same time causing much pitch or yaw. For a typical wing, there is a large set of candidate locations for placing actuators, resulting in a substantially larger number of combinations to examine in order to find an optimum placement satisfying the mission requirements and mission constraints. A genetic algorithm has been developed for finding the best placement for four actuators to produce an uncoupled pitch moment. The genetic algorithm has been extended to find the minimum number of actuators required to provide uncoupled pitch, roll, and yaw control. A simplified, untapered, unswept wing is the model for each application.

  19. Optimum fuel allocation in parallel steam generator systems

    International Nuclear Information System (INIS)

    Bollettini, U.; Cangioli, E.; Cerri, G.; Rome Univ. 'La Sapienza'; Trento Univ.

    1991-01-01

    An optimization procedure was developed to allocate fuels into parallel steam generators. The procedure takes into account the level of performance deterioration connected with the loading history (fossil fuel allocation and maintenance) of each steam generator. The optimization objective function is the system hourly cost, overall steam demand being satisfied. Costs are due to fuel and electric power supply and to plant depreciation and maintenance as well. In order to easily updata the state of each steam generator, particular care was put in the general formulation of the steam production function by adopting a special efficiency-load curve description based on a deterioration scaling parameter. The influence of the characteristic time interval length on the optimum operation result is investigated. A special implementation of the method based on minimum cost paths is suggested

  20. Optimum radars and filters for the passive sphere system

    Science.gov (United States)

    Luers, J. K.; Soltes, A.

    1971-01-01

    Studies have been conducted to determine the influence of the tracking radar and data reduction technique on the accuracy of the meteorological measurements made in the 30 to 100 kilometer altitude region by the ROBIN passive falling sphere. A survey of accuracy requirements was made of agencies interested in data from this region of the atmosphere. In light of these requirements, various types of radars were evaluated to determine the tracking system most applicable to the ROBIN, and methods were developed to compute the errors in wind and density that arise from noise errors in the radar supplied data. The effects of launch conditions on the measurements were also examined. Conclusions and recommendations have been made concerning the optimum tracking and data reduction techniques for the ROBIN falling sphere system.

  1. The optimum functionalization of carbon nanotube/ferritin composites

    International Nuclear Information System (INIS)

    Lee, Ji Won; Shin, Kwang Min; Kim, Seon Jeong; Lynam, Carol; Spinks, Geoffrey M; Wallace, Gordon G

    2008-01-01

    We fabricated a covalently linked composite composed of functionalized single-walled carbon nanotubes (f-SWNT) and ferritin protein as nanoparticles. The various f-SWNTs were prepared using an acid treatment of purified SWNT for different functionalization times (30, 60, 120 and 180 min), and ferritin was immobilized on each of the f-SWNT by covalent immobilization. The specific capacitance of the f-SWNT and the electrochemical activity of the f-SWNT/ferritin composites showed a Gaussian distribution. From the electrochemical analysis, the ferritin composite with functionalized SWNT for 60 min showed the highest capacitance and electrochemical activity than other f-SWNT/ferritin composites. This result suggests the optimum value for the best performance of the electrochemical properties of f-SWNT/ferritin composites was found for a potential bioapplication

  2. Optimum selection of an energy resource using fuzzy logic

    International Nuclear Information System (INIS)

    Abouelnaga, Ayah E.; Metwally, Abdelmohsen; Nagy, Mohammad E.; Agamy, Saeed

    2009-01-01

    Optimum selection of an energy resource is a vital issue in developed countries. Considering energy resources as alternatives (nuclear, hydroelectric, gas/oil, and solar) and factors upon which the proper decision will be taken as attributes (economics, availability, environmental impact, and proliferation), one can use the multi-attribute utility theory (MAUT) to optimize the selection process. Recently, fuzzy logic is extensively applied to the MAUT as it expresses the linguistic appraisal for all attributes in wide and reliable manners. The rise in oil prices and the increased concern about environmental protection from CO 2 emissions have promoted the attention to the use of nuclear power as a viable energy source for power generation. For Egypt, as a case study, the nuclear option is found to be an appropriate choice. Following the introduction of innovative designs of nuclear power plants, improvements in the proliferation resistance, environmental impacts, and economics will enhance the selection of the nuclear option.

  3. The optimum choice of gate width for neutron coincidence counting

    Energy Technology Data Exchange (ETDEWEB)

    Croft, S., E-mail: crofts@ornl.gov [Safeguards and Security Technology (SST), Global Nuclear Security Technology Divisions, PO Box 2008, Building 5700, MS-6166, Oak Ridge, TN 37831-6166 (United States); Henzlova, D.; Favalli, A.; Hauck, D.K.; Santi, P.A. [Safeguards Science and Technology Group (NEN-1), Nuclear Engineering and Nonproliferation Division, MS-E540, Los Alamos, NM 87545 (United States)

    2014-11-11

    In the measurement field of international nuclear safeguards, passive neutron coincidence counting is used to quantify the spontaneous fission rate of certain special nuclear materials. The shift register autocorrelation analysis method is the most commonly used approach. However, the Feynman-Y technique, which is more commonly applied in reactor noise analysis, provides an alternative means to extract the correlation information from a pulse train. In this work we consider how to select the optimum gate width for each of these two time-correlation analysis techniques. The optimum is considered to be that which gives the lowest fractional precision on the net doublets rate. Our theoretical approach is approximate but is instructional in terms of revealing the key functional dependence. We show that in both cases the same performance figure of merit applies so that common design criteria apply to the neutron detector head. Our prediction is that near optimal results, suitable for most practical applications, can be obtained from both techniques using a common gate width setting. The estimated precision is also comparable in the two cases. The theoretical expressions are tested experimentally using {sup 252}Cf spontaneous fission sources measured in two thermal well counters representative of the type in common use by international inspectorates. Fast accidental sampling was the favored method of acquiring the Feynman-Y data. Our experimental study confirmed the basic functional dependences predicted although experimental results when available are preferred. With an appropriate gate setting Feynman-Y analysis provides an alternative to shift register analysis for safeguards applications which is opening up new avenues of data collection and data reduction to explore.

  4. Defining poor and optimum performance in an IVF programme.

    Science.gov (United States)

    Castilla, Jose A; Hernandez, Juana; Cabello, Yolanda; Lafuente, Alejandro; Pajuelo, Nuria; Marqueta, Javier; Coroleu, Buenaventura

    2008-01-01

    At present there is considerable interest in healthcare administration, among professionals and among the general public concerning the quality of programmes of assisted reproduction. There exist various methods for comparing and analysing the results of clinical activity, with graphical methods being the most commonly used for this purpose. As yet, there is no general consensus as to how the poor performance (PP) or optimum performance (OP) of assisted reproductive technologies should be defined. Data from the IVF/ICSI register of the Spanish Fertility Society were used to compare and analyse different definitions of PP or OP. The primary variable best reflecting the quality of an IVF/ICSI programme was taken to be the percentage of singleton births per IVF/ICSI cycle initiated. Of the 75 infertility clinics that took part in the SEF-2003 survey, data on births were provided by 58. A total of 25 462 cycles were analysed. The following graphical classification methods were used: ranking of the proportion of singleton births per cycles started in each centre (league table), Shewhart control charts, funnel plots, best and worst-case scenarios and state of the art methods. The clinics classified as producing PP or OP varied considerably depending on the classification method used. Only three were rated as providing 'PP' or 'OP' by all methods, unanimously. Another four clinics were classified as 'poor' or 'optimum' by all the methods except one. On interpreting the results derived from IVF/ICSI centres, it is essential to take into account the characteristics of the method used for this purpose.

  5. Optimum design of cogeneration system for nuclear seawater desalination - 15272

    International Nuclear Information System (INIS)

    Jung, Y.H.; Jeong, Y.H.

    2015-01-01

    A nuclear desalination process, which uses the energy released by nuclear fission, has less environmental impact and is generally cost-competitive with a fossil-fuel desalination process. A reference cogeneration system focused on in this study is the APR-1400 coupled with a MED (multi-effect distillation) process using the thermal vapor compression (TVC) technology. The thermal condition of the heat source is the most crucial factor that determines the desalination performance, i.e. energy consumption or freshwater production, of the MED-TVC process. The MED-TVC process operating at a higher motive steam pressure clearly shows a higher desalination performance. However, this increased performance does not necessarily translate to an advantage over processes operated at lower motive steam pressures. For instance, a higher motive steam pressure will increase the heat cost resulting from larger electricity generation loss, and thus may make this process unfavorable from an economic point of view. Therefore, there exists an optimum design point in the coupling configuration that makes the nuclear cogeneration system the most economical. This study is mainly aimed at investigating this optimum coupling design point of the reference nuclear cogeneration system using corresponding analysis tools. The following tools are used: MEE developed by the MEDRC for desalination performance analysis of the MED-TVC process, DE-TOP and DEEP developed by the IAEA for modeling of coupling configuration and economic evaluation of the nuclear cogeneration system, respectively. The results indicate that steam extraction from the MS exhaust and condensate return to HP FWHTR 5 is the most economical coupling design

  6. Project Guardian: Optimizing Electronic Warfare Systems for Ground Combat Vehicles

    National Research Council Canada - National Science Library

    Parks, Jack G; Jackson, William; Revello, James; Soltesz, James

    1995-01-01

    .... The study, Project Guardian, represents a new process for determining the optimum set of sensors and countermeasures for a specific vehicle class under the constraints of threat projection, combat...

  7. 14 CFR 1245.109 - Assignment of title to NASA.

    Science.gov (United States)

    2010-01-01

    ... 14 Aeronautics and Space 5 2010-01-01 2010-01-01 false Assignment of title to NASA. 1245.109... INTELLECTUAL PROPERTY RIGHTS Patent Waiver Regulations § 1245.109 Assignment of title to NASA. (a) The instrument of waiver set forth in § 1245.115(c) shall be voided by NASA with respect to the domestic title to...

  8. Title IX: With New Opportunities, Girls' Interest Rises

    Science.gov (United States)

    Toporek, Bryan

    2012-01-01

    On June 23, 1972, President Richard M. Nixon signed into law Title IX of the Education Amendments of 1972, which prohibits gender discrimination in any federally financed education program or activity. Title IX is far-reaching, but the law is most often associated with school and college athletics. Title IX allows schools to prove their athletic…

  9. Exploring New Directions: Title I in the Year 2000.

    Science.gov (United States)

    Puma, Michael J.; Drury, Darrel W.

    This report takes stock of the present Title I program, identifies the most promising approaches to educating the nation's disadvantaged children, and offers guidance to policymakers seeking to improve Title I's effectiveness. The report draws upon hundreds of studies, evaluations, and other documents, and details the evolution of the Title I…

  10. 40 CFR 300.220 - Related Title III issues.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 27 2010-07-01 2010-07-01 false Related Title III issues. 300.220 Section 300.220 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SUPERFUND, EMERGENCY... PLAN Planning and Preparedness § 300.220 Related Title III issues. Other related Title III requirements...

  11. 78 FR 39829 - Proposed Collection; Comment Request for Regulation Project

    Science.gov (United States)

    2013-07-02

    ... DEPARTMENT OF THE TREASURY Internal Revenue Service Proposed Collection; Comment Request for Regulation Project AGENCY: Internal Revenue Service (IRS), Treasury. ACTION: Notice and request for comments...: Title: Reporting of Nonpayroll Withheld Tax Liabilities. OMB Number: 1545-1413. Regulation Project...

  12. Formulating the Right Title for a Research Article.

    Science.gov (United States)

    Bavdekar, Sandeep B

    2016-02-01

    Title is an important part of the article. It condenses article content in a few words and captures readers' attention. A good title for a research article is the one which, on its own, is able to introduce the research work to the fullest extent, but in a concise manner. Writing scientific titles that are informative and attractive is a challenging task. This communication describes the importance of titles and the methods of creating appropriate titles for research papers. © Journal of the Association of Physicians of India 2011.

  13. Determination of Optimum Cross-section for Oran Highway Revetment

    Science.gov (United States)

    Velioglu, Deniz; Sogut, Erdinc; Guler, Isikhan

    2017-04-01

    Revetments are shore parallel, sloping coastal structures which are built to provide protection from the negative effects of the sea. The revetment mentioned in this study is located in the City of Oran, Algeria and is currently under construction. This study investigates the determination of the optimum revetment cross section for Oran highway, considering both the hydraulic stability of the revetment and economy. The existence of cliffs in the region and the settlement of the City of Oran created a necessity to re-align Oran highway; therefore, it was shifted towards the Gulf of Oran. Approximately 1 km of the highway is to be constructed on the Mediterranean Sea due to the new alignment. In order to protect the sea side of the road from the adverse effects of the sea, a revetment was designed. The proposed cross section had an armour layer composed of 23 tons of antifer units and regular placement of armour units was recommended. In order to check the hydraulic stability of the proposed section, physical model tests were performed in the laboratory of LEM (Laboratoire d'Etudes Maritimes) in Algeria, using the pre-determined design wave conditions. The physical model tests revealed that the trunk of the revetment was totaly damaged. Accordingly, the proposed section was found insufficient and certain modifications were required. The first modification was made in the arrangement of armour units, changing them from regular to irregular. After testing the new cross section, it was observed that the revetment was vulnerable to breaking wave attack due to the toe geometry and thus the toe of the revetment had to be re-shaped. Therefore, the second option was to reduce the toe elevation. It was observed that even though the revetment trunk was safe, the damage in the toe was not in acceptable limits. The new cross section was found insufficient and as the final option, the weight of the antifer units used in the armour layer was increased, the toe length of the

  14. Title list of documents made publicly available

    International Nuclear Information System (INIS)

    1979-12-01

    This monthly publication contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes docketed material associated with civilian nuclear power plants and other uses of radioactive materials, and nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index. The docketed information includes the inforation formerly issued through the Department of Energy's Technical Information Center under the title Power Reactor Docket Information (PRDI) and, in addition, information received or generated on other uses of radioactive materials

  15. Title list of documents made publicly available

    International Nuclear Information System (INIS)

    1994-06-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes (1) docketed material associated with civilian nuclear power plants and other uses of radioactive materials and (2) nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. As used here, docketed does not refer to Court dockets; it refers to the system by which NRC maintains its regulatory records. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index

  16. Title list of documents made publicly available

    International Nuclear Information System (INIS)

    1982-03-01

    The Title List of Documents Made Publicly Available is a monthly publication. It contains descriptions of the information received and generated by the US Nuclear Regulatory Commission (NRC). This information includes (1) docketed material associated with civilian nuclear power plants and other uses of radioactive materials and (2) nondocketed material received and generated by NRC pertinent to its role as a regulatory agency. As used here, docketed does not refer to Court dockets; it refers to the system by which NRC maintains its regulatory records. This series of documents is indexed by a Personal Author Index, a Corporate Source Index, and a Report Number Index

  17. Optimum operation of restoration techniques for eutrophic water bodies

    Science.gov (United States)

    Hagen, N. M.; Kleeberg, H.-B.

    1994-05-01

    Operating rules have been applied in water resources management for a long time in order to control and supply a required quantity (volume) of water. The operating rules have to guarantee the optimum management of the reservoir(s). The quality of the stored water has been satisfactory for the desired utilization up to the sixties. Due to the deterioration of reservoir water quality through human impacts, however, increased attention had to be paid since. Eutrophication of stagnant waters is still an unsolved problem. Through means of various restoration techniques, i.e., dilution/flushing or hypolimnetic withdrawal, the quality of the stored water can be improved. Continuous operation or appropriate time or depth variant operating rules are required to achieve this goal. The paper presents such rules for long-term operation. They have been established for the first time and can he represented in two or three-dimensional graphs depending on the number of included components (e.g., actual water storage and quality). The ‘quality operating rules’ take into account the dynamics of the processes in aquatic ecosystems. Simplifications with regard to application and acceptance (e.g., clarity) are developed and tested. The general validity and efficiency of the operating rules have been proved in a case study (a multi-purpose reservoir) and a fictitious lake.

  18. Optimum Resource Allocation and Eliminating Waste Inside Food Industry

    Directory of Open Access Journals (Sweden)

    Chandru Nagarajan Sathiyabama

    2013-06-01

    Full Text Available This article seeks to allocate optimum resources for wrapping section and suggesting a suitable method that need to be in place for successful elimination of waste inside the food industry wrapping section. It also includes identifying the main reasons for various types of wastages inside wrapping section and cost of all the wastages. The paper is based on the observation and research using the approach of lean tools and techniques. The methodology used for evaluating data is value stream mapping and some statistical SPSS tools for analysis. Data’s are real and are gathered from three different production shifts inside a food industry wrapping section. The main reasons for wastages inside the wrapping section are highlighted. Finally, the paper was concluded by estimating total cost of wastages and recommended suitable way to save the wastage costs. The need of change of jaws inside the wrapping machines, regular maintenance of all machines throughout the industry and training the personnel are recommended. The possible methods along with its benefits to reduce waste, operators, improve productivity and business growth was also highlighted.

  19. Determination of Optimum Compression Ratio: A Tribological Aspect

    Directory of Open Access Journals (Sweden)

    L. Yüksek

    2013-12-01

    Full Text Available Internal combustion engines are the primary energy conversion machines both in industry and transportation. Modern technologies are being implemented to engines to fulfill today's low fuel consumption demand. Friction energy consumed by the rubbing parts of the engines are becoming an important parameter for higher fuel efficiency. Rate of friction loss is primarily affected by sliding speed and the load acting upon rubbing surfaces. Compression ratio is the main parameter that increases the peak cylinder pressure and hence normal load on components. Aim of this study is to investigate the effect of compression ratio on total friction loss of a diesel engine. A variable compression ratio diesel engine was operated at four different compression ratios which were "12.96", "15:59", "18:03", "20:17". Brake power and speed was kept constant at predefined value while measuring the in- cylinder pressure. Friction mean effective pressure ( FMEP data were obtained from the in cylinder pressure curves for each compression ratio. Ratio of friction power to indicated power of the engine was increased from 22.83% to 37.06% with varying compression ratio from 12.96 to 20:17. Considering the thermal efficiency , FMEP and maximum in- cylinder pressure optimum compression ratio interval of the test engine was determined as 18.8 ÷ 19.6.

  20. Optimum Drafting Conditions Of Polyester And Viscose Blend Yarns

    Directory of Open Access Journals (Sweden)

    Hatamvand Mohammad

    2017-09-01

    Full Text Available In this study, we used an experimental design to investigate the influence of the total draft, break draft, distance between the aprons (Clips and production roller pressure on yarn quality in order to obtain optimum drafting conditions for polyester and viscose (PES/CV blend yarns in ring spinning frame. We used PES fibers (1.4 dtex × 38 mm long and CV fibers (1.6 dtex × 38 mm long to spin a 20 Tex blend yarn of PES (70%/CV (30% blend ratio. When the break draft, adjustment of distance between of aprons and roller pressure is not reasonable, controlling and leading of the fibers is not sufficient for proper orientation of the fibers in the yarn structure to produce a high quality yarn. Experimental results and statistical analysis show that the best yarn quality will be obtained under drafting conditions total draft of 38, 1.2 break draft, 2.8 mm distance between of aprons and maximum pressure of the production top roller (18daN.

  1. Optimum sizing of wind-battery systems incorporating resource uncertainty

    International Nuclear Information System (INIS)

    Roy, Anindita; Kedare, Shireesh B.; Bandyopadhyay, Santanu

    2010-01-01

    The inherent uncertainty of the wind is a major impediment for successful implementation of wind based power generation technology. A methodology has been proposed in this paper to incorporate wind speed uncertainty in sizing wind-battery system for isolated applications. The uncertainty associated with the wind speed is incorporated using chance constraint programming approach. For a pre-specified reliability requirement, a deterministic equivalent energy balance equation may be derived from the chance constraint that allows time series simulation of the entire system. This results in a generation of the entire set of feasible design options, satisfying different system level constraints, on a battery capacity vs. generator rating diagram, also known as the design space. The proposed methodology highlights the trade-offs between the wind turbine rating, rotor diameter and the battery size for a given reliability of power supply. The optimum configuration is chosen on the basis of the minimum cost of energy (US$/kWh). It is shown with the help of illustrative examples that the proposed methodology is generic and flexible to incorporate alternate sub-component models. (author)

  2. Analysis of optimum density of forest roads in rural properties

    Directory of Open Access Journals (Sweden)

    Flávio Cipriano de Assis do Carmo

    2013-09-01

    Full Text Available This study analyzed the density of roads in rural properties in the south of the Espírito Santo and compared it with the calculation of the optimal density in forestry companies in steep areas. The work was carried out in six small rural properties based on the costs of roads of forest use, wood extraction and the costs of loss of productive area. The technical analysis included time and movement study and productivity. The economic analysis included operational costs, production costs and returns for different scenarios of productivity (180m.ha-1, 220m.ha-1and 250 m.ha-1. According to the results, all the properties have densities of road well above the optimum, which reflects the lack of criteria in the planning of the forest stands, resulting in a inadequate use of plantation area. Property 1 had the highest density of roads (373.92 m.ha-1 and the property 5 presented the lowest density (111.56 m.ha-1.

  3. An Optimum Solution for Electric-Power Theft

    International Nuclear Information System (INIS)

    Memon, A.H.; Memon, F.

    2013-01-01

    Electric power theft is a problem that continues to plague power sector across the whole country. Every year, the electricity companies face the line losses at an average 20-30% and according to power ministry estimation WAPDA companies lose more than Rs. 125 billion. Significantly, it is enough to destroy the entire power sector of country. According to sources 20% losses means the masses would have to pay extra 20% in terms of electricity tariffs. In other words, the innocent consumers pay the bills of those who steal electricity. For all that, no any permanent solution for this major issue has ever been proposed. We propose an applicable and optimum solution for this impassable problem. In our research, we propose an Electric power theft solution based on three stages; Transmission stage, Distribution stage, and User stage. Without synchronization among all, the complete solution can not be achieved. The proposed solution is simulated on NI (National Instruments) Circuit Design Suite Multisim v.10.0. Our research work is an implicit and a workable approach towards the Electric power theft, as for conditions in Pakistan, which is bearing the brunt of power crises already. (author)

  4. Optimum Water Chemistry in radiation field buildup control

    Energy Technology Data Exchange (ETDEWEB)

    Lin, Chien, C. [Vallecitos Nuclear Center, Pleasanton, CA (United States)

    1995-03-01

    Nuclear utilities continue to face the challenGE of reducing exposure of plant maintenance personnel. GE Nuclear Energy has developed the concept of Optimum Water Chemistry (OWC) to reduce the radiation field buildup and minimize the radioactive waste production. It is believed that reduction of radioactive sources and improvement of the water chemistry quality should significantly reduce both the radiation exposure and radwaste production. The most important source of radioactivity is cobalt and replacement of cobalt containing alloy in the core region as well as in the entire primary system is considered the first priority to achieve the goal of low exposure and minimized waste production. A plant specific computerized cobalt transport model has been developed to evaluate various options in a BWR system under specific conditions. Reduction of iron input and maintaining low ionic impurities in the coolant have been identified as two major tasks for operators. Addition of depleted zinc is a proven technique to reduce Co-60 in reactor water and on out-of-core piping surfaces. The effect of HWC on Co-60 transport in the primary system will also be discussed.

  5. Optimum hypersonic airfoil with power law shock waves

    International Nuclear Information System (INIS)

    Wagner, B.A.

    1990-01-01

    In the present paper the flow field over a class of two-dimensional lifting surfaces is examined from the viewpoint of inviscid, hypersonic small-disturbance theory (HSDT). It is well known that a flow field in which the shock shape S(x) is similar to the body shape F(x) is only possible for F(x) = x k and the freestream Mach number M ∞ = ∞. This self-similar flow has been studied for several decades as it represents one of the few existing exact solutions of the equations of HSDT. Detailed discussions are found for example in papers by Cole, Mirels, Chernyi and Gersten and Nicolai but they are limited to convex body shapes, that is, k ≤ 1. The only study of concave body shapes was attempted by Sullivan where only special cases were considered. The method used here shows that similarity also exists for concave shapes and a complete solution of the flow field for any k > 2/3 is given. The effect of varying k on C L 3/2 /C D is then determined and an optimum shape is found. Furthermore, a wider class of lifting surfaces is constructed using the streamlines of the basic flow field and analysed with respect to the effect on C L 3/2 /C D . 9 refs., 3 figs

  6. Generalized Pareto optimum and semi-classical spinors

    Science.gov (United States)

    Rouleux, M.

    2018-02-01

    In 1971, S. Smale presented a generalization of Pareto optimum he called the critical Pareto set. The underlying motivation was to extend Morse theory to several functions, i.e. to find a Morse theory for m differentiable functions defined on a manifold M of dimension ℓ. We use this framework to take a 2 × 2 Hamiltonian ℋ = ℋ(p) ∈ 2 C ∞(T * R 2) to its normal form near a singular point of the Fresnel surface. Namely we say that ℋ has the Pareto property if it decomposes, locally, up to a conjugation with regular matrices, as ℋ(p) = u ‧(p)C(p)(u ‧(p))*, where u : R 2 → R 2 has singularities of codimension 1 or 2, and C(p) is a regular Hermitian matrix (“integrating factor”). In particular this applies in certain cases to the matrix Hamiltonian of Elasticity theory and its (relative) perturbations of order 3 in momentum at the origin.

  7. Designing and testing the optimum design of automotive air-to-air thermoelectric air conditioner (TEAC) system

    International Nuclear Information System (INIS)

    Attar, Alaa; Lee, HoSung

    2016-01-01

    Highlights: • The optimum design of automotive thermoelectric AC system is proposed. • It is optimized by combining the thermal isolation and the dimensionless methods. • An experiment is conducted to validate the analytical design. - Abstract: The current project is discussing the optimization of counter flow air-to-air thermoelectric air conditioners (TEAC) system. Previous work showed an analytical model with experimental validation of a unit cell of TEAC system. However, the focus of this work is to simulate the optimum design of a whole TEAC system from given inlet parameters (i.e., hot and cold air mass flow rates and ambient temperatures). The analytical model was built by combining an optimal design method with dimensional analysis, which was recently developed, and the thermal isolation method in order to optimize the thermoelectric parameters (i.e., electrical current supplied and the number of thermocouples or the geometric factor, simultaneously). Moreover, based on the designed model, an experiment was conducted in order to study the accuracy of the analytical model. Even though the analytical model was built based on the thermoelectric ideal equations, it shows a good agreement with the experiment. This agreement was mainly a result of the use of the thermoelectric effective material properties which are obtained from the measured maximum thermoelectric module parameters. Since the experiment validate the analytical model, this model provides uncomplicated method to study the optimum design at given inputs.

  8. Advanced fusion concepts project summaries: 1981

    International Nuclear Information System (INIS)

    1982-03-01

    This report contains descriptions of the activities of all the projects supported by the Advanced Fusion Concepts Branch of the Office of Fusion Energy, US Department of Energy. These descriptions are project summaries of each of the individual projects, and contain the following: title, principle investigators, funding levels, purpose, approach, progress, plans, milestones, graduate students, graduates, other professional staff, and recent publications

  9. Advanced Fusion Concepts project summaries, FY 1982

    International Nuclear Information System (INIS)

    1982-10-01

    This report contains descriptions of the activities of all the projects supported by the Advanced Fusion Concepts Branch of the Office of Fusion Energy, U.S. Department of Energy. These descriptions are project summaries of each of the individual projects, and contain the following: title, principle investigators, funding levels, purpose, approach, progress, plans, milestones, graduate students, graduates, other professional staff, and recent publications

  10. Wisconsin Public Service, Weston Generating Station; Petition to Object to Issuance of Title V Operating Permit

    Science.gov (United States)

    This document may be of assistance in applying the Title V air operating permit regulations. This document is part of the Title V Petition Database available at www2.epa.gov/title-v-operating-permits/title-v-petition-database.

  11. Tennessee Valley Authority, Paradise Fossil Plant; Petition to Object to Title V Operating Permit

    Science.gov (United States)

    This document may be of assistance in applying the Title V air operating permit regulations. This document is part of the Title V Petition Database available at www2.epa.gov/title-v-operating-permits/title-v-petition-database.

  12. Tennessee Valley Authority, Paradise Fossil Plant; Order Responding Petition to Object to Title V Operating Permit

    Science.gov (United States)

    This document may be of assistance in applying the Title V air operating permit regulations. This document is part of the Title V Petition Database available at www2.epa.gov/title-v-operating-permits/title-v-petition-database.

  13. 20 CFR 416.573 - How much will we withhold from your title II and title VIII benefits to recover a title XVI...

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false How much will we withhold from your title II... Payment of Benefits, Overpayments, and Underpayments § 416.573 How much will we withhold from your title...-due benefits. (b)(1) We will collect the overpayment from current monthly benefits due in a month by...

  14. Title XX and CETA. A Coordination Guide for Title XX Administrators.

    Science.gov (United States)

    Urban Management Consultants of San Francisco, Inc., CA.

    Written for the social service (Title XX) administrator at the State or sub-State level, this guide is intended to serve four major purposes: (1) Provide selected insights into what the Comprehensive Employment and Training Act (CETA) is and how it works; (2) point out potential areas for coordination which, from study or field experience, hold…

  15. Optimum Design Of Grid Connected Photovoltaic System Using Concentrators

    Directory of Open Access Journals (Sweden)

    Eng. Mohammed Fawzy

    2015-08-01

    Full Text Available Abstract Due to the increasing demand of electrical energy in Egypt and also in many neighboring countries around the world the main problem facing electrical energy production using classical methods such steam power stations is the depletion of fossil fuels. The gap between the electrical energy demand and the continuous increase on the fossil fuel cost make the problem of electricity generation more sophisticated. With the continuous decrease of the photovoltaic PV technologies cost it doesnt make sense neglecting the importance of electricity production using solar photovoltaic PV especially that the annual average daily energy received is about 6 kamp12310whmamp123112day in Cairo Egypt 30N.In this work a detailed simulation model including photovoltaic PV module characteristics and climatic conditions of Cairo Egypt is developed. The model compares fixed PV systems electrical energy output with photovoltaic PV system using concentrators and double axis tracker systems. The comparison includes the energy generated area required as well as the cost per kwh generated. The optimality criterion is the cost per kwh generated. The system that gives the minimum cost per kwh is the optimum system. To verify the developed model the simulation results of fixed PV modules and CPV using tracking system obtained by the model are compared with practical measurements of 40KW peak station erected in Cairo Egypt 30N.Very good agreement between measured values and results obtained from detailed simulation model. For fixed PV system the detailed economic analysis showed that it gives minimum cost perkwh generated Comparisons among these systems are presented. For Cairo results showed that a cost of about 6 to 9 US centskwh is attainable.

  16. Modeling Budget Optimum Allocation of Khorasan Razavi Province Agriculture Sector

    Directory of Open Access Journals (Sweden)

    Seyed Mohammad Fahimifard

    2016-09-01

    Full Text Available Introduction: Stock shortage is one of the development impasses in developing countries and trough it the agriculture sector has faced with the most limitation. The share of Iran’s agricultural sector from total investments after the Islamic revolution (1979 has been just 5.5 percent. This fact causes low efficiency in Iran’s agriculture sector. For instance per each 1 cubic meter of water in Iran’s agriculture sector, less that 1 kilogram dry food produced and each Iranian farmer achieves less annual income and has less mechanization in comparison with similar countries in Iran’s 1404 perspective document. Therefore, it is clear that increasing investment in agriculture sector, optimize the budget allocation for this sector is mandatory however has not been adequately and scientifically revised until now. Thus, in this research optimum budget allocation of Iran- Khorasan Razavi province agriculture sector was modeled. Materials and Methods: In order to model the optimum budget allocation of Khorasan Razavi province’s agriculture sector at first optimum budget allocation between agriculture programs was modeled with compounding three indexes: 1. Analyzing the priorities of Khorasan Razavi province’s agriculture sector experts with the application of Analytical Hierarchy Process (AHP, 2. The average share of agriculture sector programs from 4th country’s development program for Khorasan Razavi province’s agriculture sector, and 3.The average share of agriculture sector programs from 5th country’s development program for Khorasan Razavi province’s agriculture sector. Then, using Delphi technique potential indexes of each program was determined. After that, determined potential indexes were weighted using Analytical Hierarchy Process (AHP and finally, using numerical taxonomy model to optimize allocation of the program’s budget between cities based on two scenarios. Required data, also was gathered from the budget and planning

  17. Evaluation of mathematical methods for predicting optimum dose of gamma radiation in sugarcane (Saccharum sp.)

    International Nuclear Information System (INIS)

    Wu, K.K.; Siddiqui, S.H.; Heinz, D.J.; Ladd, S.L.

    1978-01-01

    Two mathematical methods - the reversed logarithmic method and the regression method - were used to compare the predicted and the observed optimum gamma radiation dose (OD 50 ) in vegetative propagules of sugarcane. The reversed logarithmic method, usually used in sexually propagated crops, showed the largest difference between the predicted and observed optimum dose. The regression method resulted in a better prediction of the observed values and is suggested as a better method for the prediction of optimum dose for vegetatively propagated crops. (author)

  18. Optimum supervision intervals and order of supervision in nuclear reactor protective systems

    International Nuclear Information System (INIS)

    Kontoleon, J.M.

    1978-01-01

    The optimum inspection strategy of an m-out-of-n:G nuclear reactor protective system with nonidentical units is analyzed. A 2-out-of-4:G system is used to formulate a multi-variable optimization problem to determine (a) the optimum order of supervision of the units and (b) the optimum supervision intervals between units. The case of systems with identical units is a special case of the above. Numerical results are derived using a computer algorithm

  19. The Effects of Training on the Attitudes of Parents and Caregivers After a Title XX Course on 'Working with Parents'.

    Science.gov (United States)

    Van Kirk, Marilyn

    Trainees in a Title XX project were taught skills in working with parents. To measure training effectiveness, a questionnaire measuring parent attitudes toward the center and the caregivers was given to parents of center children, before and after the training. The parents indicated on the second questionnaire that they were less satisfied with…

  20. Palynological Investigation of the Holocene Thermal Optimum in New Zealand

    Science.gov (United States)

    Newnham, R. M.; McGlone, M. S.; Wilmshurst, J. M.

    2005-12-01

    It has long been assumed in New Zealand (NZ) that the Holocene Thermal Optimum (HTO) occurred at the beginning of the Holocene. Nearly 40 years ago, Hendy and Wilson pioneered the use of 18O/16O composition of calcite in NZ speleothems to reconstruct past climate and in so doing showed an HTO occurring earlier in NZ than in comparable Northern Hemisphere records (Hendy & Wilson,1968). More recent work on NZ speleothems (Williams et al., 2005) corroborates the concept of an early HTO dated between ca 11.7 and 10.6 ka, but there is no definitive description of the event as a NZ-wide phenomenon, no intensive dating of it, nor temperature quantification. Moreover, there is no firm conclusion as to whether it is registered consistently between different proxies and across NZ regions. Until recently, attempts to quantify past climate change from NZ pollen data have been hindered by failure to demonstrate robust relationships between modern pollen assemblages and climate due, it is thought, to strong anthropogenic modification of natural vegetation patterns and steep climatic gradients (Norton et al., 1986). However, as deforestation commenced only ca 700 years ago, and is unambiguously detected in pollen records from throughout NZ, an almost unique opportunity exists to develop pollen-climate transfer functions using pre-human pollen-vegetation sources. McGlone and Wilmshurst have assembled an extensive (138-site) `modern' pollen database, based on ca 700 yr BP pre-deforestation pollen assemblages from peat and lake cores. This now provides a basis for more secure pollen-climate reconstruction than hitherto has been possible. Statistical modelling of the environmental determinants of patterns in the pre-deforestation pollen database indicates the strongest relationship (r2 > 0.8) is with Mean Annual Temperature (MAT) and suggests that this parameter can be reliably reconstructed, with error estimates, from Late Quaternary NZ pollen profiles. We use this database to