197,655 research outputs found
Strømmålinger ved Herøy, Kobbavik, Langavik og Vindsvik i Ryfylke
No full textNIVA gjennomførte strømmålinger for Hydro Seafood ved 4 lokaliteter i Ryfylke mars-april 1997. Lokalitetene var Herøy (Vindafjord), Kobbavik (Fogn), Langavik (Ombo) og Vindsvik (Jøsenfjorden). Strømmålingene viste at lokalitetene, med unntak av Kobbavik som hadde relativt sterk strøm i 3 m dyp, verken var spesielt strømsterke eller strømsvake. Lokalitetene var ikke sterkt dominert av tidevannsstrøm, men derimot av vedvarende perioder med strøm enten ene eller andre veien parallelt med land. Den lengste perioden med "strømstille" (26,6 timer) ble målt ved Langavik
Analisis kesuburan perairan di Sungai Desa Kotawaringin Kabupaten Bangka berdasarkan indeks nygaard
No full textSungai Kotawaringin merupakan sungai yang sering imanfaatkan dengan berbagai aktivitas antropogenik, yang dapat menyebabkan perubahan pada faktor-faktor fisika, kimia dan biologis suatu perairan. Salah satu parameter biologi yang
berfungsi sebagai indikator kualitas air adalah fitoplankton. Komposisi dan kelimpahan fitoplankton di perairan menentukan kesuburan dengan perhitungan
indeks Nygaard. Penelitian ini bertujuan untuk mengetahui kualitas perairan, komposisi dan kelimpahan fitoplankton, hubungan kelimpahan fitoplankton dengan kualitas air, dan tingkat kesuburan perairan berdasarkan Indeks Nygaard.
Metode yang di gunakan adalah metode purposive sampling, dengan pengambilan sampel fitoplankton, pengambilan parameter lingkungan, identifikasi fitoplankton
dan analisis data fitoplankton dan kualitas air. Kualitas perairan yang di dapatkan pada stasiun I, II, dan III adalah Rata-rata suhu 26,8-27,6˚C, pH 5-6,7, DO 4-6,5 mg/L, TSS 15,5-33,5 mg/L, Kecepatan arus 0,03-0,14 m/s, kedalaman 7,73-12,8 m, kecerahan 59-85 %, nitrat 0,400-0,700 mg/L, dan fosfat <0,0214-0,247 mg/L. Komposisi fitoplankton keseluruhan sebanyak 34 jenis dari 9 kelas. Fitoplankton
stasiun I, II dan III secara berturut-turut dengan komposisi 24 jenis dan kelimpahan 6.486 – 10.261 ind/L, komposisi 20 jenis dan kelimpahan 4.063-5.874 ind/L, serta komposisi 20 jenis dan kelimpahan 4.466-7.667 ind/L. Kesuburan
perairan menggunakan Indeks Nygaard (In) menunjukkan kesuburan yang sangat ringan atau mesotrofik yaitu pada stasiun I, II dan III berkisar 2,25-2,7, 1,67-2,33,
dan 2,0-2,33
Corrosion rate of steel in concrete - Evaluation of confinement techniques for on-site corrosion rate
No full textEarlier on-site investigations and laboratory studies have shown that varying corrosion rates are obtained when different commercially available instruments are used. The different confinement techniques, rather than the different electrochemical techniques used in the instruments, are considered to be the main reason for the discrepancies. This paper presents a method for the quantitative assessment of confinement techniques based on monitoring the operation of the corrosion rate instrument and the current distribution between the electrode assembly on the concrete surface and a segmented reinforcement bar embedded in the concrete. The applicability of the method was demonstrated on two commercially available corrosion rate instruments based on different confinement techniques. The method provided an explanation of the differences in performance of the two instruments. Correlated measurements of linear polarisation resistance and macro-cell currents allowed the determination of calibration factors. Both instruments overestimated the corrosion rate of passive reinforcement, but underestimated the corrosion rate of reinforcement with intense localised corrosion
A stacky comparison of the Hodge and Nygaard filtrations
No full textWe use the approach to p-adic cohomology theories via stacks recently developed by Drinfeld and Bhatt-Lurie to formulate a stacky version of a comparison result between the Nygaard filtration on prismatic cohomology and the Hodge filtration on de Rham cohomology by Bhatt-Lurie and thereby also obtain a generalisation in the case of smooth and proper p-adic formal schemes which allows for coefficients in an arbitrary gauge. In the process, we develop a stacky approach to diffracted Hodge cohomology as introduced by Bhatt-Lurie which also captures the conjugate filtration and the Sen operator. In the appendix, we also introduce a stack computing the conjugate filtration on absolute Hodge-Tate cohomology
Dr. Duane M. Jackson, Morehouse College, July 2011
No full textThis video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer
"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.
No full text"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states.
By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement.
To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Dr. Glendon Swarthout
No full textHosted by Roger M. Busfield, MSU Assistant Professor of Speech and Theater, Meet the Author is designed to introduce a general audience to a contemporary author and their work through in-depth interviews. This episode features a conversation between Dr. Glendon Swarthout, prolific author and English professor at MSU, and assistant professors Sam S. Baskett and Theodore B. Strandness
Simulation of thermal plant optimization and hydraulic aspects of thermal distribution loops for large campuses
No full textFollowing an introduction, the author describes Texas A&M University and its utilities system. After that, the author presents how to construct simulation models for chilled water and heating hot water distribution systems. The simulation model was used in a $2.3 million Ross Street chilled water pipe replacement project at Texas A&M University. A second project conducted at the University of Texas at San Antonio was used as an example to demonstrate how to identify and design an optimal distribution system by using a simulation model. The author found that the minor losses of these closed loop thermal distribution systems are significantly higher than potable water distribution systems. In the second part of the report, the author presents the latest development of software called the Plant Optimization Program, which can simulate cogeneration plant operation, estimate its operation cost and provide optimized operation suggestions. The author also developed detailed simulation models for a gas turbine and heat recovery steam generator and identified significant potential savings. Finally, the author also used a steam turbine as an example to present a multi-regression method on constructing simulation models by using basic statistics and optimization algorithms. This report presents a survey of the author??s working experience at the Energy Systems Laboratory (ESL) at Texas A&M University during the period of January 2002 through March 2004. The purpose of the above work was to allow the author to become familiar with the practice of engineering. The result is that the author knows how to complete a project from start to finish and understands how both technical and nontechnical aspects of a project need to be considered in order to ensure a quality deliverable and bring a project to successful completion. This report concludes that the objectives of the internship were successfully accomplished and that the requirements for the degree of Degree of Engineering have been satisfied
Intern experience at CH���M Hill, Inc.: an internship report
No full textIncludes author's vita"Submitted to the College of Engineering of Texas A&M University in partial
fulfillment of the requirement for the degree of Doctor of Engineering."Includes bibliographical referencesA review of the author's internship experience with CH���M HILL, Inc.
during the period September 1975 through May 1976 is presented. During this nine month
internship the author worked as an Engineer II in the Industrial Processes discipline of this
large consulting engineering firm... The author's prime responsibility was as one of three
lead design engineers on the design of a large wastewater treatment facility for a pulp mill
in Hoquiam, Washington owned by ITT Rayonier Inc. The work generally consisted of the design
of individual treatment units and associated piping and pumping. The purpose of the project
was to provide wastewater treatment capabilities that would satisfy the effluent limitations
(standards) imposed upon the mill by the State of Washington Department of Ecology and the
U.S. Environmental Protection Agency. The author's assignment also entailed necessary
interaction with the project manager and other CH���M HILL design engineers and support staff
members, the client's representatives, and representatives of two other consulting engineering
firms working on the project. Thus, the internship position at CH���M HILL provided considerable
experience coordinating the author's work with the work of other engineers, guiding the design
and administrative efforts of a support staff, and interacting regularly with the client and
other consulting firms. This broad exposure to a variety of engineering and organizational
problems provided a valuable educational experience
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