Academic literature on the topic '(In)efficiencies'

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Journal articles on the topic "(In)efficiencies"

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Cohn, Jennifer, David Holtzman, and Brook Baker. "Efficiencies in AIDS Programming." JAIDS Journal of Acquired Immune Deficiency Syndromes 58, no. 3 (November 2011): 229–32. http://dx.doi.org/10.1097/qai.0b013e3182303428.

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Nelson, Philip, and David Smith. "Efficiencies in Antitrust Analysis." Antitrust Bulletin 60, no. 2 (June 2015): 128–49. http://dx.doi.org/10.1177/0003603x15585982.

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Ware, Roger, and Ralph A. Winter. "Merger Efficiencies in Canada." Antitrust Bulletin 61, no. 3 (August 5, 2016): 365–75. http://dx.doi.org/10.1177/0003603x16657216.

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Kinne, Konstanze. "Efficiencies in merger analysis." Intereconomics 34, no. 6 (November 1999): 297–302. http://dx.doi.org/10.1007/bf02929896.

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Eyring, Henry C. "Unexploited Efficiencies In Higher Education." Contemporary Issues in Education Research (CIER) 4, no. 7 (June 29, 2011): 1. http://dx.doi.org/10.19030/cier.v4i7.4789.

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In Unexploited Efficiencies in Higher Education, Henry C. Eyring, a junior majoring in Economics at Brigham Young University-Idaho, argues that one way that the U.S. can compete globally in college attainment is to decrease cost-per-graduate. He explains how many stakeholders in higher education stand to benefit from unexploited cost-efficiencies. Eyring cites strategies implemented by Brigham Young University-Idaho as examples of ways that institutions of higher education can become more cost-efficient in producing graduates. Administrators at Brigham Young University-Idaho utilize a model called the Graduate Fishbone that quantifies the effect of alterations to policy, retention, and instructional delivery at Brigham Young University-Idaho on cost, students served, and annual graduates produced. That model allows analysis of the efficacy of cost-efficiency promoting strategies, and is available electronically from the author upon request. An extended version of this paper with additional charts and explanation is also available electronically from the author upon request.
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Karlan, Beth Y. "Improving efficiencies in translational science." Gynecologic Oncology 108, no. 3 (March 2008): 461. http://dx.doi.org/10.1016/j.ygyno.2008.01.021.

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Camps, I., M. Sanchez, and J. C. Gonzalez. "Efficiencies in multiquantum well lasers." Semiconductor Science and Technology 17, no. 9 (August 12, 2002): 1013–22. http://dx.doi.org/10.1088/0268-1242/17/9/320.

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Komm, D. S., R. T. Benton, H. C. Limburg, W. L. Menninger, and Xiaoling Zhai. "Advances in space TWT efficiencies." IEEE Transactions on Electron Devices 48, no. 1 (2001): 174–76. http://dx.doi.org/10.1109/16.892186.

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Arneborg, Lars. "Mixing Efficiencies in Patchy Turbulence." Journal of Physical Oceanography 32, no. 5 (May 2002): 1496–506. http://dx.doi.org/10.1175/1520-0485(2002)032<1496:meipt>2.0.co;2.

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Flack, Virginia F. "Efficiencies in microcomputer simulation experiments." Computational Statistics & Data Analysis 6, no. 1 (January 1988): 47–57. http://dx.doi.org/10.1016/0167-9473(88)90062-x.

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Dissertations / Theses on the topic "(In)efficiencies"

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de, Rooy S. C. "Improved efficiencies in flame weeding." Lincoln University, 1992. http://hdl.handle.net/10182/18.

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Possible areas of improving the efficiencies of the Lincoln University flame weeder are identified and investigated. The Hoffmann burner initially used in the Lincoln University flame weeder was found not to entrain sufficient air to allow complete combustion of the LPG used. A new burner, the Modified Lincoln University burner, was designed to improve the entrainment of air. Results show that the new design entrained sufficient air to theoretically allow complete combustion of the LPG, and this resulted in a 22.7% increase in heat output per Kg of LPG used over the Hoffmann burner. Temperature x time exposure constants required to kill weeds 0 - 15, 15 - 30, and 30 - 45 mm in size, were found to be respectively 750, 882, and 989 degrees Celsius.Seconds. These constants can be used to calculate the maximum speed of travel an operator can use a flame weeder at, once the temperature profile underneath its shields are established at various travel speeds, and therefore ensure that the flame weeder is used at its maximum efficiency. The constants can also be used to establish the cost efficiency of any flame weeder (in $/Ha), depending on the size of the weeds to be treated. The materials and methods used in establishing the temperature x time exposure constants can be used to establish the temperature x time exposure constant of any weed species at any size.
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Navin, Sparsh. "Diffraction in ALICE and trigger efficiencies." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/2961/.

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ALICE is built to measure the properties of strongly interacting matter created in heavy-ion collisions. In addition, taking advantage of the low pT acceptance in the central barrel, ALICE is playing an important role in understanding pp collisions with minimum bias triggers at LHC energies. The work presented in this thesis is based on pp data simulated by the ALICE collaboration and early data collected at a center-of-mass energy of 7 TeV. A procedure to calculate trigger efficiencies and an estimate of the systematic uncertainty due to the limited acceptance of the detector are shown. A kinematic comparison between Monte Carlo event generators, PYTHIA 6, PYTHIA 8 and PHOJET is also presented. To improve the description of diffraction in PYTHIA, a hard diffractive component was added to PYTHIA 8 in 2009, which is described. Finally a trigger with a high efficiency for picking diffractive events is used to select a sample with an enhanced diffractive component from pp data. These data are compared to Monte Carlo models, and the results are summarized with an estimate of the systematic uncertainty.
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Bellows, Michael R. "Searching for efficiencies and effectiveness in naval officer training." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0017/MQ49160.pdf.

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Smets, Pia. "Genetic variation for resource use efficiencies in lodgepole pine." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ61176.pdf.

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George, Laurie J. "Efficiencies of Mass Encapsulation in Alginate of Vegetative Explants." OpenSIUC, 2015. https://opensiuc.lib.siu.edu/dissertations/1105.

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‘Lord Baltimore’ hardy hibiscus (Hibiscus moscheutos L.) was used in the mass encapsulation protocol, rinsing effects on bulk encapsulation, growth comparisons using K-NAA, acclimatization to greenhouse environment, and leaf anatomy comparisons. Nodal segments, each containing a single axillary bud, were harvested and cut to 4mm prior to mass encapsulation. Results showed that using 2.75% alginate with a concentration of 60 or 80 mM calcium chloride produced an alginate mass, or “cookie”, which was able to hold together during rinsing protocols. The rinsing study resulted with the potential to reduce rinse times from 2 three-minute rinses to 1 one-minute rinse. After 4 weeks under mist, ~58% of root growth was generated when using 1 one-minute rinse. After 8 weeks under mist, the greatest percentage of shoot and root growth occurred when using 1 one-minute rinse. The use of K-NAA in the gel matrix, after four weeks, resulted in no discernable differences. Concentrations of 0 or 0.1 µM will generate a greater percentage of shoot and root growth. Using 1.0 µM K-NAA, and extending the time under mist to 8 weeks, will result in a greater percentage of shoots and roots generated. Acclimatization study investigated the survival rates on mass encapsulated nodal segments, looking at different media, depth of planting and humidity. Increases in shoot lengths can be expected up to 8 weeks under mist and planted either on top or 1 cm deep. A reduction in root growth was seen when placed on top of the medium after 4 weeks. The anatomical study found differences in the leaf cell lengths based on the stage of leaf development. However, there was no indication of a gradual change in anatomy as they adapted from in vitro to greenhouse environment. The best results were found when comparing epidermal, palisade and spongy mesophyll cells on the fourth fully expanded leaf under mist. Hydrangea quercifolia ‘Snow Queen’ was used to test the effects of tissue culture media and plant growth regulators. Research found that using dichloroisocyanuric acid (NaDCC) resulted in a decrease of contamination on explants without a reduction in the number of shoots produced. This would reduce the amount of time and labor on the encapsulation procedure, as no rinsing is required. The best result, looking a nutrient formulation, was found to be WPM with 1 µM BA added.
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Kohmuench, Jaisen Nathaniel. "Improving Efficiencies in Water-Based Separators Using Mathematical Analysis Tools." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/29202.

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A better understanding of several mineral processing devices and applications was gained through studies conducted with mathematical analysis tools. Linear circuit analysis and population balance modeling were utilized to remedy inefficiencies found in a number of popular mineral processing water-based unit operations. Improvements were made in areas, including unit capacity and separation efficiency. One process-engineering tool, known as linear circuit analysis, identified an alternative coal spiral circuit configuration that offered improved performance while maintaining a reasonable circulating load. In light of this finding, a full-scale test circuit was installed and evaluated at an existing coal preparation facility. Data obtained from the plant tests indicate that the new spiral circuit can simultaneously reduce cut-point and improve separation efficiency. A mathematical population balance model has also been developed which accurately simulates a novel hindered-bed separator. This device utilizes a tangential feed presentation system to improve the performance of conventional teeter-bed separators. Investigations utilizing the mathematical model were carried out and have predicted solid feed rates of up to 71 tph/m² (6 tph/ft²) can be achieved at acceptable efficiencies. The model also predicts that the unfavorable impact of operating at low feed percent solids is severely reduced by the innovative feed presentation design. Tracer studies have verified that this system allows excess feed water to cross over the top of the separator without entering the separation chamber, thereby reducing turbulence. A hindered-bed separator population balance model was also developed whose results were utilized to improve the efficiencies encountered when using a teeter-bed separator as a mineral concentrator. It was found that by altering the apparent density of one of the feed components, the efficiency of the gravity separation could be greatly improved. These results led to the development of a new separator which segregates particles based on differences in mass after the selective attachment of air bubbles to the hydrophobic component of the feed stream. Proof-of-concept and in-plant testing indicate that significant improvements in separation efficiency can be achieved using this air-assisted teeter-bed system. The in-plant test data suggest that in some cases, recoveries of the plus 35 mesh plant feed material can be increased by more than 40% through the application of this new technology.
Ph. D.
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Johnson, Brent S. "Benefits of flour storage as related to process efficiencies in milling." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/15057.

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Master of Agribusiness
Department of Agricultural Economics
Bryan Schurle
The milling of wheat into white flour is a high volume, low margin business. Flour is a commodity. Competition is fierce. Over the past several years, there have been several mergers and acquisitions leading to fewer, but larger flour mills. The number of companies in the flour milling business has diminished as well. Flour sold in small packages on the grocery store shelf is but a small part of the business these days. Most flour is sold to commercial bakers in large bags or bulk trucks. The process of milling wheat into white flour consists of numerous variables within an extensive collection of equipment. It is the job of the miller to minimize the negative impact of these variables or at least hold constant as many of these variables as possible while achieving the best efficiency possible. To lessen the effect of these numerous variables on a large extensive system makes for a well running operation. When efficiency is achieved, a flour milling operation can be a profitable venture. A number of the variables that influence efficiency are affected by the amount of flour storage that a flour mill has. This thesis examines the benefits of flour storage as related to flour process efficiencies in milling. With flour mills operating at large output capacities, it is necessary for a flour mill to have adequate bulk flour storage bins as well as the right amount of warehouse space. Changes from one type flour to another in a flour mill require some time and an abundance of intervention by a skilled operator or miller. Having the proper amount of storage space makes it possible to minimize changes as well as the opportunity to optimize production of each specific flour type that is processed on the mill. To justify capital project money to invest in the proper amount of storage can be a challenge. Warehouse space and bulk flour storage can be expensive, and it is difficult to quantify how theoretical improvements will increase production and quality in the end product of flour. Using regression methods, production data obtained from an average sized commercial flour mill was used to estimate the increase in extraction due to a longer length of run allowed by the addition of storage space. By increasing the time a mill stays on a specific wheat mix to a minimum of twenty hours, there is a theoretical increase in extraction of 1.02 percentage points, resulting in wheat savings of over $500,000 per year. This resulting savings on the raw input material showed that capital expenditures on storage can be justified. A positive net present value and good internal rate of return show that the increased efficiency due to longer lengths of run justified the additional expense of the additional storage capacity. As volatility and the price per bushel of grain continue to increase, having the proper plant infrastructure with regard to storage space is of the utmost importance. Other benefits of storage will be realized as well in the area of flour quality and customer service.
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Daneshmand, Moojan. "Lean manufacturing in a mass customization plant : improved efficiencies in raw material presentation." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/69485.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 70-71).
This thesis focuses on the application of the principles of lean manufacturing at Varian Semiconductor Equipment Associates (VSEA). The company faces the challenges of highly customized assembly as well as fluctuating demand, both of which cause lead times that are longer than expected. Value Stream Mapping was used to identify the main sources of waste in the VSEA manufacturing plant. After evaluating all factors contributing to longer cycle times, it was found that one of the main problems encountered by VSEA was unorganized presentation of raw material to the shop floor. Using the 5S methodology, a framework was created to appropriately categorize the raw material into smaller groups, and deliver them to the flow line according to Just-in-Time (JIT) principles. After the new presentation method for raw material is implemented, the cycle time will be reduced by 6% due to the elimination of the non value added activity from the process. In addition, the first steps toward kaizen process improvement will be in place.
by Moojan Daneshmand.
M.Eng.
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Yeng, Zang. "A fundamental critical assessment of efficiencies in terahertz time-domain spectroscopy systems." Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/24855.

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The electric properties of materials in the THz spectrum are of significant interest for scientific research in the past two decades thanks to the development of THz-TDS systems. However, the measurement capability of the system is still bound by the low efficiency and instability of the system. In this work, a thorough assessment of the THz-TDS system is carried out in order to enhance the measurement capability of the system and provide guidelines for accurate and repeatable measurements. In Chapter 2, the operation fundamentals of THz-TDS systems including the generation and detection are reviewed. The limitations of THz-TDS systems are evaluated in the aspects of dynamic range, signal-to-noise ratio, and spectral resolution. The influence of systematic parameters are addressed and examined. In Chapter 3, a systematic characterisation of the performance of PCAs is performed. The performance of THz PCA is evaluated with respect to the intrinsic and extrinsic excitation parameters, as well as the power collection efficiency within the THz-TDS system. Performance evaluation is carried out in combination of experimental measurements and numerical modellings. Chapter 4 extensively investigates the sensitivity of the THz-TDS system regarding on misalignment of the components. An EM simulation model is built for the evaluation. Point E-field respond in frequency domain and time-domain are examined corresponding directly to the detection signal, and compared with lab measurements. The model is then extended to study the field distribution inside the system. Mode analysis of the field is conducted to discover the pattern of energy coupling related to misalignment. Chapter 5 aims to further enhance the efficiency and radiation characteristics of THz PCAs by adapting the concept of antenna array. The influence of array configuration is assessed by array factor analysis. Coupling conditions of array parameters are established. Performance dependences of THz PCAs on the array geometrics are extensively studied in theory, and tested against experiment. Chapter 6 assess the implementation of plasmonoic structures for the improvement of efficiency and power at the THz generation process. Fundamentals are discussed and structures are designed accordingly. Optimisation principles in consideration of the carrier properties are proposed and practised. Photoconductive antennas with plasmonic structures are fabricated and tested in a THz-TDS system, and the results are compared with simulation.
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Burkhard, Jamie Lynn. "Water Infiltration and Pollutant Rentention Efficiencies in the Ballona Creek Rain Garden." Digital Commons at Loyola Marymount University and Loyola Law School, 2018. https://digitalcommons.lmu.edu/etd/523.

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Biofiltration systems like rain gardens and bioswales are an important tool for capturing and infiltrating polluted runoff, but little data exists on their efficiencies within Mediterranean climates. A two-year study initiated in 2015 investigated water retention and pollutant loading and retention in the Ballona Creek Rain Garden (BCRG). This 300 by 3 m biofiltration system was constructed by The Bay Foundation in 2011 along Ballona Creek in Culver City, Los Angeles County, California. The purpose of the garden was to capture and infiltrate runoff from light industrial and commercial operations bordering the Creek, thus reducing pollutants entering this waterway and flowing into Santa Monica Bay 9 km downstream. During storm events, runoff enters the garden via five inlets, and when filled, flows into the creek via two outlets. The goal of this study was to sample flows and pollutant concentrations in runoff entering and leaving the garden and then integrate these to calculate mass loading estimates. Flows were measured at all inlets and outlets using 90° V-notch weirs outfitted with Hobo water level sensors to produce hydrographs. The following pollutants were measured at all flowing inlets and outlets two to three times per storm depending on its duration and intensity: fecal indicator bacteria (E. coli and enterococci), total suspended solids, metals (copper, zinc, and lead), and semivolatile hydrocarbons (polyaromatic hydrocarbons, diesel hydrocarbons, and motor oil hydrocarbons). The summation of load method was used to calculate the mass of contaminants entering and leaving the garden for each storm event, and their percent capture within the garden. The BCRG was very effective at infiltrating runoff and sequestering pollutants. The garden’s infiltration rates ranged from 73% to 100% (with 100% for many of the smaller storms
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Books on the topic "(In)efficiencies"

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Magnuson, Eric J. Achieving efficiencies in appellate cases. [S.l.]: Section of Litigation, 1994.

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Cost-efficiencies in online learning. San Francisco: Wiley/Jossey-Bass, 2006.

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Optimizing energy efficiencies in industry. New York: McGraw-Hill, 2003.

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Karr, C. L. Froth flotation collision efficiencies in strong force fields. Washington, DC: Dept. of the Interior, 1990.

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Karr, C. L. Froth flotation collision efficiencies in strong force fields. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1990.

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Ilme, Jarno. Estimating plate efficiencies in simulation of industrial scale distillation columns. Lappeenranta: Lappeenranta University of Technology, 1997.

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Lean Six sigma statistics: Calculating process efficiencies in transactional projects. New York: McGraw-Hill, 2006.

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Altunbas, Yener. Estimating efficiencies in European banking: An analysis of alternative functional forms. Bangor (Wales): University College of North Wales, Institute of European Finance, 1997.

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Mar-Molinero, C. On the joint determination of efficiencies in a data envelopment analysis context. Southampton: University of Southampton, 1994.

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Box, James E., ed. Root Demographics and Their Efficiencies in Sustainable Agriculture, Grasslands and Forest Ecosystems. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5270-9.

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Book chapters on the topic "(In)efficiencies"

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Natriello, Gary. "Efficiencies in Educational Research." In Digital-Age Innovation in Higher Education, 209–21. New York, NY : Routledge, 2021.: Routledge, 2021. http://dx.doi.org/10.4324/9781003038924-14.

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Hirschfeld, Scott T. E., Lynn M. Batten, and Mohammed K. I. Amain. "Efficiencies in Binary Elliptic Curves." In Computational Science and Its Applications – ICCSA 2018, 246–60. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95174-4_21.

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McFetridge, Donald G. "The Efficiencies Defense in Merger Cases." In The Economics of the Antitrust Process, 89–115. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1397-7_5.

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Maxwell, Ian A., Bradley R. Morrison, Robert G. Gilbert, and Donald H. Napper. "Radical Capture Efficiencies in Emulsion Polymerization Kinetics." In Integration of Fundamental Polymer Science and Technology—4, 116–25. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0767-6_15.

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Wani, Suhas P., Girish Chander, and Rajneet K. Uppal. "Enhancing Nutrient Use Efficiencies in Rainfed Systems." In Nutrient Use Efficiency: from Basics to Advances, 359–80. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2169-2_23.

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Hu, Jin-Li, and Tzu-Pu Chang. "Energy and Pollution Efficiencies in China’s Regions." In China's Energy Efficiency and Conservation, 61–74. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0928-0_5.

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Egle, Kuno, and Jinlong Zhan. "Efficiencies of Least Squares in Linear Models." In Mathematische Methoden der Wirtschaftswissenschaften, 108–17. Heidelberg: Physica-Verlag HD, 1999. http://dx.doi.org/10.1007/978-3-662-12433-8_11.

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MacCready, Paul B. "Aerodynamics and Other Efficiencies in Transporting Goods." In The Aerodynamics of Heavy Vehicles: Trucks, Buses, and Trains, 3–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-44419-0_1.

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Moore, G. B., and B. Vonnegut. "Estimates of Raindrop Collection Efficiencies in Electrified Clouds." In Geophysical Monograph Series, 291–304. Washington D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm005p0291.

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Mahmoud, M. A., and A. Z. El-Bably. "Crop Water Requirements and Irrigation Efficiencies in Egypt." In The Handbook of Environmental Chemistry, 471–87. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/698_2017_42.

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Conference papers on the topic "(In)efficiencies"

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Yong, Yee Tzen, Yusri Azizan, Azemi Leong, Yan Song, and Rudzaifi Adizamri Abd Rani. "Driving Efficiencies in Well Intervention Operations." In IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/191091-ms.

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Batista, Virginie. "Detection efficiencies in high magnification events." In The Manchester Microlensing Conference: The 12th International Conference and ANGLES Microlensing Workshop. Trieste, Italy: Sissa Medialab, 2008. http://dx.doi.org/10.22323/1.054.0059.

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Tiong, T. Joyce, A. Damien Walmsley, and Gareth J. Price. "Sonochemical cleaning efficiencies in dental instruments." In INTERNATIONAL CONGRESS ON ULTRASONICS: Gdańsk 2011. AIP, 2012. http://dx.doi.org/10.1063/1.3703252.

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Krammer, Barbara E. "Comparison of in-vitro photosensitizer efficiencies." In OE/LASE '92, edited by Thomas S. Mang. SPIE, 1992. http://dx.doi.org/10.1117/12.59377.

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Drucker, Andrew. "Multitask Efficiencies in the Decision Tree Model." In 2009 24th Annual IEEE Conference on Computational Complexity (CCC). IEEE, 2009. http://dx.doi.org/10.1109/ccc.2009.33.

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da Silva, Valeria L., and J. R. Simpson. "Comparision of Raman efficiencies in optical fibers." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 1994. http://dx.doi.org/10.1364/ofc.1994.wk13.

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Rieger, Frank M. "Particle acceleration efficiencies in astrophysical shear flows." In HIGH ENERGY GAMMA-RAY ASTRONOMY: 2nd International Symposium on High Energy Gamma-Ray Astronomy. AIP, 2005. http://dx.doi.org/10.1063/1.1878461.

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Lagatsky, A. A., V. E. Kisel, F. Bain, C. T. A. Brown, N. V. Kuleshov, and W. Sibbett. "Advances in femtosecond lasers having enhanced efficiencies." In International Conference on Lasers, Applications, and Technologies '07, edited by Valentin A. Orlovich, Vladislav Panchenko, and Ivan A. Scherbakov. SPIE, 2007. http://dx.doi.org/10.1117/12.751894.

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Hreinsson, Egill Benedikt. "Efficiencies and objectives in short term hydro scheduling." In 2016 IEEE Power and Energy Society General Meeting (PESGM). IEEE, 2016. http://dx.doi.org/10.1109/pesgm.2016.7741694.

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Peck, Jeffrey, and Sankaran Mahadevan. "Optimization Based Efficiencies in First Order Reliability Analysis." In 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-1569.

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Reports on the topic "(In)efficiencies"

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Fliss, Richard. Achieving Efficiencies in Army Installations. Fort Belvoir, VA: Defense Technical Information Center, April 1998. http://dx.doi.org/10.21236/ada344631.

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Ashenfelter, Orley, Daniel Hosken, and Matthew Weinberg. Efficiencies Brewed: Pricing and Consolidation in the U.S. Beer Industry. Cambridge, MA: National Bureau of Economic Research, August 2013. http://dx.doi.org/10.3386/w19353.

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Stender, David, Wayne Roush, Chris Beedle, and Mark Honeyman. Documenting Efficiencies of Heavyweight Market Pigs in Bedded Hoop Barns. Ames: Iowa State University, Digital Repository, 2016. http://dx.doi.org/10.31274/farmprogressreports-180814-1418.

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Volinski, Joel. Lessons Learned in Transit Efficiencies, Revenue Generation, and Cost Reductions Part II. Tampa, FL: University of South Florida, July 2003. http://dx.doi.org/10.5038/cutr-nctr-rr-2000-09.

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Charnes, A., W. W. Cooper, and R. M. Thrall. A Structure for Classifying and Characterizing Efficiencies and Inefficiencies in Data Envelopment Analysis. Fort Belvoir, VA: Defense Technical Information Center, September 1986. http://dx.doi.org/10.21236/ada176141.

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Cheng, Hsing C. Data on energy end-use patterns and energy efficiencies in major CO sub 2 emitting countries. Office of Scientific and Technical Information (OSTI), August 1990. http://dx.doi.org/10.2172/6179496.

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Heleva-Ponaski, Emily. Removal Efficiencies, Uptake Mechanisms and Competitive Effects of Copper and Zinc in Various Stormwater Filter Media. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6441.

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Bates, Jr, Zhang Clayton W., and Chichang. Electric Field Dependence of Quantum Efficiencies of Ag/n-Si Composites in the Infrared at Room Temperature. Fort Belvoir, VA: Defense Technical Information Center, September 2009. http://dx.doi.org/10.21236/ada563738.

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9

Gates, Allison, Michelle Gates, Shannon Sim, Sarah A. Elliott, Jennifer Pillay, and Lisa Hartling. Creating Efficiencies in the Extraction of Data From Randomized Trials: A Prospective Evaluation of a Machine Learning and Text Mining Tool. Agency for Healthcare Research and Quality (AHRQ), August 2021. http://dx.doi.org/10.23970/ahrqepcmethodscreatingefficiencies.

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Abstract:
Background. Machine learning tools that semi-automate data extraction may create efficiencies in systematic review production. We prospectively evaluated an online machine learning and text mining tool’s ability to (a) automatically extract data elements from randomized trials, and (b) save time compared with manual extraction and verification. Methods. For 75 randomized trials published in 2017, we manually extracted and verified data for 21 unique data elements. We uploaded the randomized trials to ExaCT, an online machine learning and text mining tool, and quantified performance by evaluating the tool’s ability to identify the reporting of data elements (reported or not reported), and the relevance of the extracted sentences, fragments, and overall solutions. For each randomized trial, we measured the time to complete manual extraction and verification, and to review and amend the data extracted by ExaCT (simulating semi-automated data extraction). We summarized the relevance of the extractions for each data element using counts and proportions, and calculated the median and interquartile range (IQR) across data elements. We calculated the median (IQR) time for manual and semiautomated data extraction, and overall time savings. Results. The tool identified the reporting (reported or not reported) of data elements with median (IQR) 91 percent (75% to 99%) accuracy. Performance was perfect for four data elements: eligibility criteria, enrolment end date, control arm, and primary outcome(s). Among the top five sentences for each data element at least one sentence was relevant in a median (IQR) 88 percent (83% to 99%) of cases. Performance was perfect for four data elements: funding number, registration number, enrolment start date, and route of administration. Among a median (IQR) 90 percent (86% to 96%) of relevant sentences, pertinent fragments had been highlighted by the system; exact matches were unreliable (median (IQR) 52 percent [32% to 73%]). A median 48 percent of solutions were fully correct, but performance varied greatly across data elements (IQR 21% to 71%). Using ExaCT to assist the first reviewer resulted in a modest time savings compared with manual extraction by a single reviewer (17.9 vs. 21.6 hours total extraction time across 75 randomized trials). Conclusions. Using ExaCT to assist with data extraction resulted in modest gains in efficiency compared with manual extraction. The tool was reliable for identifying the reporting of most data elements. The tool’s ability to identify at least one relevant sentence and highlight pertinent fragments was generally good, but changes to sentence selection and/or highlighting were often required.
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Skalski, John R., Albert E. Giorgi, and John R. Stevenson. Design and Analysis of Salmonid Tagging Studies in the Columbia Basin, Volume XI; Recommendations on the Design and Analysis of Radiotelemetry Studies of Salmonid Smolts to Estimate Survival and Passage Efficiencies, 1991-1998 Technical Report. Office of Scientific and Technical Information (OSTI), November 1998. http://dx.doi.org/10.2172/10140.

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