Academic literature on the topic 'The method of ratios'

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Journal articles on the topic "The method of ratios"

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Alfano, Salvatore, and David Negron. "Complete method of ratios." Journal of Spacecraft and Rockets 30, no. 3 (1993): 374–79. http://dx.doi.org/10.2514/3.25525.

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Yang, Chenbo, Jing Xu, Meichen Feng, et al. "Evaluation of Hyperspectral Monitoring Model for Aboveground Dry Biomass of Winter Wheat by Using Multiple Factors." Agronomy 13, no. 4 (2023): 983. http://dx.doi.org/10.3390/agronomy13040983.

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The aboveground dry biomass (AGDB) of winter wheat can reflect the growth and development of winter wheat. The rapid monitoring of AGDB by using hyperspectral technology is of great significance for obtaining the growth and development status of winter wheat in real time and promoting yield increase. This study analyzed the changes of AGDB based on a winter wheat irrigation experiment. At the same time, the AGDB and canopy hyperspectral reflectance of winter wheat were obtained. The effect of spectral preprocessing algorithms such as reciprocal logarithm (Lg), multiple scattering correction (M
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Klein, Jonathan H. "Method of Calculating Spare Ratios." Transportation Research Record: Journal of the Transportation Research Board 1838, no. 1 (2003): 73–80. http://dx.doi.org/10.3141/1838-10.

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An industrial engineering approach was used to determine what proportion of a rail vehicle fleet would need to be unavailable for revenue use. This proportion is often called the spare ratio (SR). The number of rail vehicles required as spares remains in dispute. This SR question is important because each spare rail car and locomotive represents an investment of millions of dollars. The prevalent approach for determining the number of spares is to use a fixed ratio, for example, 15%. This fixed percentage is not a function of several variables, or even property-specific parameters. The industr
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Fulman, Jason. "Stein's method and random character ratios." Transactions of the American Mathematical Society 360, no. 07 (2008): 3687–731. http://dx.doi.org/10.1090/s0002-9947-08-04371-7.

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DAGANI, RON. "Laser method measures carbon isotope ratios." Chemical & Engineering News 72, no. 8 (1994): 6–7. http://dx.doi.org/10.1021/cen-v072n008.p006a.

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Foss, O. A., J. Klaksvik, P. Benum, and S. Anda. "Validation of the rotation ratios method." Acta Radiologica 48, no. 6 (2007): 658–64. http://dx.doi.org/10.1080/02841850701348705.

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Background: The rotation ratios method describes rotations between pairs of sequential pelvic radiographs. The method seems promising but has not been validated. Purpose: To validate the accuracy of the rotation ratios method. Material and Methods: Known pelvic rotations between 165 radiographs obtained from five skeletal pelvises in an experimental material were compared with the corresponding calculated rotations to describe the accuracy of the method. The results from a clinical material of 262 pelvic radiographs from 46 patients defined the ranges of rotational differences compared. Repeat
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Zhou, Wan Liang. "A New Method of Mix Proportion Design of Ordinary Concrete - Data Analysis Method." Applied Mechanics and Materials 174-177 (May 2012): 370–74. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.370.

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In the paper, through analyzing large quantity of concrete mix proportions, a law existing in all concrete with different mix proportions and good workability is found, i.e., the volume ratios of sands to binder linearly increase with the increase of the volume ratios of water to binder. Meantime a table of the mass ratios of sands to sands and gravels is given based on numerous concrete mix proportions. According to the table and the linear equation between the volume ratios of sands to binder and the volume ratios of water to binder, a new method of mix proportion design of ordinary concrete
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Naugle, A. L., W. P. Shulaw, W. J. A. Saville, T. E. Wittum, B. Byrum, and M. T. Collins. "Calculation Method for Likelihood Ratios Dictates Interpretation." Clinical and Vaccine Immunology 10, no. 4 (2003): 729–30. http://dx.doi.org/10.1128/cdli.10.4.729-730.2003.

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DHALIWAL, DAN S., DAVID A. GUENTHER, and MARK A. TROMBLEY. "Inventory Accounting Method and Earnings-Price Ratios." Contemporary Accounting Research 16, no. 3 (1999): 419–36. http://dx.doi.org/10.1111/j.1911-3846.1999.tb00589.x.

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Iseki, H., and R. Sowerby. "A Method for evaluating limiting drawing ratios." Journal of Materials Engineering and Performance 2, no. 1 (1993): 107–12. http://dx.doi.org/10.1007/bf02649682.

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Dissertations / Theses on the topic "The method of ratios"

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Foss, Olav A. "The Rotation Ratios Method - A Method to describe altered spatial orientation in sequential radiographs from one pelvis." Doctoral thesis, Norwegian University of Science and Technology, Department of Neuroscience, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-2127.

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<p><b>The Rotation Ratios Method</b></p><p>En metode for beskrivelse av endret romlig bekkeninnstilling svedsekvensielle røntgenopptak av samme bekken</p><p><b>Sammendraget:</b></p><p>Sekvensielle røntgenopptak av ett og samme bekken blir rutinemessig brukt bl.a. innen ortopedisk kirurgi. Ofte sammenliknes korresponderende røntgenmål for å vurdere sykdomsutvikling eller vurdere effekten av en behandling. Tre-dimensjonale objekt blir transformert til to-dimensjonale bilder ved røntgenopptak. Både den romlige innstillingen av objektet og fokusering av røntgenrøret i forhold til objektet påvirker
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UYANIK, Öznur. "FAIR VALUE, FIRM PERFORMANCE RATIOS AND CEO COMPENSATION : An Investigation of the Association between Use of Fair Value and Firm Performance Ratios and its effect over CEO Compensation, in Sweden." Thesis, Linnéuniversitetet, Institutionen för ekonomistyrning och logistik (ELO), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-67436.

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The purpose of this study is to test the relation, if any, between use of fair value measurement and reported performance ratios of the firms and finally its effect on CEO compensation in Sweden. This research aims to contribute knowledge of decision makers about the performance-pay link in Sweden by comparing the changes of CEO compensations across the years, before and after the use of fair value method. In this sense, firms divided in two models of ownership structure: firms with family concentration and firms with dispersed ownership structure. This paper intent to contribute the explanati
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Ghemraoui, Adam. "Using risk ratios as a method of calculating substantial racial and ethnic disproportionality rates in school discipline." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63186.

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The discipline gap – a phenomenon by which students of colour (e.g., Black students) are disproportionately affected by school exclusionary discipline compared to their White peers – has been reliably documented for more than 50 years. Researchers have relied on different metrics, analysis methods, and data sources to measure the discipline gap. Regulators have proposed the standard use of risk ratios as a metric to measure disproportionality. Risk ratios require that the target group (e.g., Black students) be compared to another group (e.g., White students), however, there is a paucity of stu
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Sisman, Fatma Nurten. "Estimation Of Dynamic Soil Properties And Soil Amplification Ratios With Alternative Techniques." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615501/index.pdf.

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Earthquakes are among the most destructive natural disasters affecting urban populations. Structural damage caused by the earthquakes varies depending not only on the seismic source and propagation properties but also on the soil properties. The amplitude and frequency content of seismic shear waves reaching the earth&rsquo<br>s surface is dependent on local soil conditions. It is well known that the soft sediments on top of hard bedrock can greatly amplify the ground motion and cause severe structural damage. When the fundamental period of the soil is close to the fundamental period of a stru
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Kim, Hyunsun-Sunny. "Evaluation of the distributions of cost-effectiveness ratios and comparison of methods to constructing confidence intervals for such ratios /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488195633519149.

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Miskun, Ivan [Verfasser]. "A Novel Method for the Measurement of Half-Lives and Decay Branching Ratios of Exotic Nuclei with the FRS Ion Catcher / Ivan Miskun." Gieߟen : Universitätsbibliothek, 2020. http://d-nb.info/1209135299/34.

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Darssan, Darsy. "Novel sequential methods in dose-finding designs : extensions of the continual reassessment method." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/69374/1/Darsy_Darssan_Thesis.pdf.

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Dose-finding trials are a form of clinical data collection process in which the primary objective is to estimate an optimum dose of an investigational new drug when given to a patient. This thesis develops and explores three novel dose-finding design methodologies. All design methodologies presented in this thesis are pragmatic. They use statistical models, incorporate clinicians' prior knowledge efficiently, and prematurely stop a trial for safety or futility reasons. Designing actual dose-finding trials using these methodologies will minimize practical difficulties, improve efficiency of dos
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Leydold, Josef. "Automatic Sampling with the Ratio-of-uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 1999. http://epub.wu.ac.at/84/1/document.pdf.

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Applying the ratio-of-uniforms method for generating random variates results in very efficient, fast and easy to implement algorithms. However parameters for every particular type of density must be precalculated analytically. In this paper we show, that the ratio-of-uniforms method is also useful for the design of a black-box algorithm suitable for a large class of distributions, including all with log-concave densities. Using polygonal envelopes and squeezes results in an algorithm that is extremely fast. In opposition to any other ratio-of-uniforms algorithm the expected number of uniform r
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Donaldson, Michael Wayne. "Examining the Relationship between Selected Ratios and Market Capitalization of an IPO." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/1821.

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This study examined the relationship between return on equity (ROE) and return on assets (ROA), the business sector, and long-term performance of new firms 5 years after the initial public offer (IPO) date. IPOs have a high rate of delisting from stock exchanges, and understanding possible predictors of long-term performance will benefit business owners and investors. The purpose of this study was to determine if ROE and ROA are predictors of long-term performance of IPOs on U.S. stock exchanges. The research question examined whether there is a statically significant relationship between the
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Hörmann, Wolfgang, and Gerhard Derflinger. "The Transformed Rejection Method for Generation Random Variables, an Alternative to the Ratio of Uniforms Method." Department of Statistics and Mathematics, Abt. f. Angewandte Statistik u. Datenverarbeitung, WU Vienna University of Economics and Business, 1994. http://epub.wu.ac.at/1314/1/document.pdf.

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Theoretical considerations and empirical results show that the one-dimensional quality of non-uniform random numbers is bad and the discrepancy is high when they are generated by the ratio of uniforms method combined with linear congruential generators. This observation motivates the suggestion to replace the ratio of uniforms method by transformed rejection (also called exact approximation or almost exact inversion), as the above problem does not occur for this method. Using the function $G(x) =\left( \frac(a)(1-x)+b\right)x $ with appropriate $a$ and $b$ as approximation of the inverse distr
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Books on the topic "The method of ratios"

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Hardy, Ian C. W. 1965-, ed. Sex ratios: Concepts and research methods. Cambridge University Press, 2002.

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Ian, Hardy, ed. Sex ratios: Concepts and research methods. Cambridge University Press, 2002.

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Walsh, Ciaran. Key management ratios: The 100+ ratios every manager needs to know. 4th ed. Financial Times Prentice Hall, 2008.

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Bragg, Steven M. Business Ratios and Formulas. John Wiley & Sons, Ltd., 2002.

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Bhattacharyya, Hrishikes. Total management by ratios: An integrated approach. Sage Publications, 1995.

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Timmer, Marcel. On the reliability of unit value ratios in international comparisons. Groningen Growth and Development Centre (University of Groningen), 1996.

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Bhattacharyya, Hrishikes. Total management by ratios: An analytic approach to management control and stock market valuation. 2nd ed. SAGE Publications, 2007.

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Bhattacharyya, Hrishikes. Total management by ratios: An analytic approach to management control and stock market valuation. 2nd ed. SAGE Publications, 2007.

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O'Hare, Eugene. A psychopharmacological evaluation of the cyclic-ratio schedule method. The Author], 1993.

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Bhrolcháin, Máire Nı́. Period parity progression ratios and birth intervals in England & Wales, 1941-1971: A synthetic life table analysis. Centre for Population Studies, London School of Hygiene & Tropical Medicine, 1985.

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Book chapters on the topic "The method of ratios"

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Herwig, Heinz. "Stoffwertverhältnis-Methode (property ratio method)." In Wärmeübertragung A-Z. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-56940-1_46.

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Sombogaard, Ferdi. "Toxicokinetics and Safety Ratios." In Drug Discovery and Evaluation: Methods in Clinical Pharmacology. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-56637-5_21-1.

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Sombogaard, Ferdi. "Toxicokinetics and Safety Ratios." In Drug Discovery and Evaluation: Methods in Clinical Pharmacology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-68864-0_21.

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Lehr, Karl-Heinz. "Toxicokinetics and Safety Ratios." In Drug Discovery and Evaluation: Methods in Clinical Pharmacology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-540-89891-7_21.

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Cam, Lucien Le. "Likelihood Ratios and Conical Measures." In Asymptotic Methods in Statistical Decision Theory. Springer New York, 1986. http://dx.doi.org/10.1007/978-1-4612-4946-7_3.

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Papagiannopoulos, George A., George D. Hatzigeorgiou, and Dimitri E. Beskos. "Design Using Modal Damping Ratios." In Seismic Design Methods for Steel Building Structures. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-80687-3_8.

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Bond, Patrick H., and Peter K. Brown. "Receipts and expenditure method." In Rating Valuation, 5th ed. Routledge, 2023. http://dx.doi.org/10.1201/9781003297369-9.

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Pardo, Scott A. "Odds, Odds Ratios, and Comparing Proportions." In Statistical Methods and Analyses for Medical Devices. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26139-8_17.

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Bouzid, Haytham, Benferhat Rabia, and Tahar Hassaine Daouadji. "Curvature Ductility of Confined HSC Columns." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_21.

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AbstractTo avoid brittle collapse of reinforced concrete (RC) structures, RC elements such as beams, columns, and shear walls are invited to ensure a minimum level of ductility. In this paper, an analytical method for predicting the curvature ductility factor of confined RC columns is developed. The stress–strain model of confined concrete provided by Eurocode 2 is adopted, and the effective lateral confining pressure is calculated according to the Eurocode 8. The curvature ductility factor is defined by the ratio of ultimate to yield curvature. In this context, a new hypothesis is adopted to
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Klinke, Harald. "Case Study 2: Photography Aspect Ratios." In Quantitative Methods in the Humanities and Social Sciences. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-88130-5_9.

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Conference papers on the topic "The method of ratios"

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Zheng, Xiaolong, Yuqi She, Han Wen, and Xing Wang. "Backstepping Control With Predefined Damping Ratios: A Second-Order Lyapunov Method." In 2024 43rd Chinese Control Conference (CCC). IEEE, 2024. http://dx.doi.org/10.23919/ccc63176.2024.10662171.

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Wang, Yuhui, Ge Li, and Shunchuan Yang. "A Theoretically Stable FDTD Subgridding Method with Arbitrary Grid Ratios and Material Transitions." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10686530.

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Luo, Yu, Yufei Wang, Yingshuo Yao, and Mingyang Liu. "A Leakage Signal Identification Method Based on EEMD and Frequency Band Energy Ratios." In 2024 3rd International Conference on Electronics and Information Technology (EIT). IEEE, 2024. https://doi.org/10.1109/eit63098.2024.10762248.

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Tolaieb, Benissa, Ruth Bingham, and Anne Neville. "Barium Sulfate Kinetics on Steel Surfaces at Different Supersaturation Ratios." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02751.

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Abstract Barium sulfate surface deposition kinetics, at different supersaturation ratios in realistic oilfield brines, were investigated in a flow system at a constant temperature of 75 °C. In order to investigate the effect of one parameter (barium content), the supersaturation ratio of the mixed brines was varied over a wide range of Ba2+ ion concentrations (150 ppm, 100 ppm, 80 ppm, 50 ppm and 20 ppm). The expected barite formation was predicted using a theoretical approximation method. The barite surface deposition pattern was monitored by a sensitive differential pressure technique tool w
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Gu, Jiawei, Zacc Yang, Chuanghao Ding, Rui Zhao, and Fei Tan. "CMR Scaling Law: Predicting Critical Mixture Ratios for Continual Pre-training of Language Models." In Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing. Association for Computational Linguistics, 2024. http://dx.doi.org/10.18653/v1/2024.emnlp-main.903.

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Pavez, J., C. Valle, and H. Allende. "Covariate shift method using approximated density ratios." In International Conference on Pattern Recognition Systems (ICPRS-16). Institution of Engineering and Technology, 2016. http://dx.doi.org/10.1049/ic.2016.0029.

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Zuoyong Li, Chuancai Liu, and Yong Cheng. "A new image thresholding method based on isoperimetric ratios." In 2008 IEEE Conference on Cybernetics and Intelligent Systems (CIS). IEEE, 2008. http://dx.doi.org/10.1109/iccis.2008.4670750.

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Lu, Yunfeng, Jianting Zhao, and Qing He. "Method for the Calibration of Cryogenic Current Comparator Ratios." In 2020 Conference on Precision Electromagnetic Measurements (CPEM 2020). IEEE, 2020. http://dx.doi.org/10.1109/cpem49742.2020.9191884.

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Dunlap, D. D., J. L. Boles, and R. J. Novotny. "Method for Improving Hydrocarbon/Water Ratios in Producing Wells." In SPE Formation Damage Control Symposium. Society of Petroleum Engineers, 1986. http://dx.doi.org/10.2118/14822-ms.

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Orlacchio, Mabel, Georgios Baltzopoulos, and Iunio Iervolino. "CONSTANT-DUCTILITY RESIDUAL DISPLACEMENT RATIOS." In 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering. Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2019. http://dx.doi.org/10.7712/120119.7271.18881.

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Reports on the topic "The method of ratios"

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Chutimaworapan, Suchada. Fast release solid dispersion system of nifedipine. Chulalongkorn University, 1999. https://doi.org/10.58837/chula.res.1999.28.

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Nifedupine solid dispersions in polyethylene glycols (PEG4000 and PEG6000), poloxamers (poloxamer188 poloxamer288 and poloxamer407), [beta]-cyclodextrin (BCD) and 2-hydroxypropyl-[beta]-cyclodextrin (HPBCD), at the drug:carrier ratio if 1:1, 1:3, 1:5, and 1:10 were investigated. The systems were prepared by melting, solvent and kneading method and compared to physical mixtures. It was found that the drug:carrier ratio of 1:10 and by melting and solvent methods showed most conspicuous dissolution rates in most systems (p&lt;0.05). The most markedly improved rate was exhibited from the poloxamer
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Wimpenny, J., and K. Samperton. Method Development for Measuring U Isotope Ratios by Laser Ablation MC-ICP-MS. Task 1: Hardware Setup. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1763182.

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Guo, Feng. Ratio method of measuring W boson mass. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/985955.

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Vo, Duc Ta. Isotopic Composition Measurements Using Ratio Based Method. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1392892.

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Ota, Shuya, P. Capel, G. Christian, et al. First Experimental Test of the Ratio Method. Office of Scientific and Technical Information (OSTI), 2025. https://doi.org/10.2172/2564568.

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Wood, Thomas W., David C. Gerlach, Bruce D. Reid, and W. C. Morgan. Feasibility of Isotopic Measurements: Graphite Isotopic Ratio Method. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/967937.

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Panek. PR-312-12208-R01 Plume Volume Molar Ratio Method Assumptions and Conservative Model Over-Predictions. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010806.

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With the introduction of the more stringent short-term 1-hour air quality NO2 standard, the use of redundant, overly conservative assumptions (e.g. use of permit allowable emissions � hourly rate based on maximum annual tons per year) is no longer appropriate and potentially misinforms and obfuscates modeling compliance demonstrations. One of the challenges of modeling oxides of nitrogen (NOx) emissions is determining the amount of total NOx that will exist in the form of nitrogen dioxide (NO2) at a receptor. Combustion source emissions usually contain mostly nitric oxide (NO), which is not a
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Cao, Yan, and Yousry Gohar. Numerical Studies of the On-Line Reactivity Monitoring Techniques in Subcritical Systems: Revisit of the Area-Ratio Method, the Neutron Source-Modulation Method, and the Flux-to-Current Ratio Method. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/1998585.

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Ahmad, Ehtisham, and Hernán Viscarra Andrade. Public Investment for Sustainable Development in Chile: Building on the National Investment System. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0007022.

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The Chilean National Investment System (Sistema Nacional de Inversiones, or SNI), is a model of consistent and transparent investment appraisal. However, the investment outcomes have exacerbated spatial and interpersonal inequalities, increasing informality, congestion, and pollution in metropolitan areas. This paper argues that the project selection methods used do not account for inequality aversion, congestion, and externalities. The manner in which funds are allocated to regions also has an impact on the outcomes. Using a generalization of the theory of reform and shadow prices by Drèze an
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Ota, S., P. Capel, G. Christian, et al. Experimental test of the ratio method for nuclear-reaction analysis. Office of Scientific and Technical Information (OSTI), 2025. https://doi.org/10.2172/2569496.

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