Permeability test and fuzzy orthogonal analysis of hydrogenated nitrile O-ring
Petroleum, 2015 In the high temperature, high pressure and high corrosive environment of the oil and gas drilling downhole, the weatherability of rubber sealing material has a great influence on the production safety.
Qin Hu, Changcheng Wan, Changxin Wang
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Orthogonality tests with de-trended data [PDF]
Economics Letters, 1990 Economics Letters 32 (1990) 19-24.
University of Florida, Gainesville, FL 32611, USA ( host institution ) +3 more
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Tribological properties of serpentine lubricant additives evaluated by orthogonal tests method
Cailiao gongcheng, 2020 Tribological properties of oleic acid modified natural serpentine ultrafine mineral powders as lubricating oil additive were investigated by a reciprocating sliding wear tester.
YIN Yan-li +7 more
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Sensitivity Analysis of Influencing Factors of Fire Smoke Transport on Subway Station Platforms
Fire, 2023 This paper investigates the sensitivity of factors influencing the transport of smoke in subway station fires by developing a three-dimensional physical model of a subway station using Building Information Modeling (BIM) technology and importing it into ...
Huaitao Song +7 more
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Optimization design of scraper angle based on orthogonal test
MATEC Web of Conferences, 2018 The scraper angle of milling machine has a direct effect on the milling efficiency. This research establishes the finite element model of scraper, and designs the cutting front angle and the cutting back angle as factor, impact force and the average ...
Wang Can +5 more
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Optimization of Cooking Technology and Analysis of Quality of Flowering Vicia faba L.
Shipin gongye ke-ji, 2023 In order to optimize the cooking technology of flowering broad beans, four processing parameters including soaking temperature, soaking time, frying temperature and frying time were selected for single factor and orthogonal optimization experiments, and ...
Yatian CHEN +5 more
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COVARIANCE-BASED ORTHOGONALITY TESTS FOR REGRESSORS WITH UNKNOWN PERSISTENCE [PDF]
Econometric Theory, 2009 This paper develops a new test of orthogonality based on a zero restriction on the covariance between the dependent variable and the predictor. The test provides a useful alternative to regression-based tests when conditioning variables have roots close or equal to unity. In this case standard predictive regression tests can suffer from well-documented
Katsumi Shimotsu, Alex Maynard
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Structure Optimization of Cylindrical Roller Bearing based on Orthogonal Test
Jixie chuandong, 2022 In view of the skidding of aero-engine spindle bearings under high speed and light load and based on the construction of a simulation model of an aero-engine cylindrical roller bearing，the effects of structural parameters such as roller number，roller ...
Jiaming Zhang +3 more
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An orthogonal test of the L-functions Ratios Conjecture, II [PDF]
Acta Arithmetica, 2011 Recently Conrey, Farmer, and Zirnbauer developed the L-functions Ratios conjecture, which gives a recipe that predicts a wealth of statistics, from moments to spacings between adjacent zeros and values of L-functions. The problem with this method is that several of its steps involve ignoring error terms of size comparable to the main term; amazingly ...
Miller, Steven J., Montague, David
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The Prediction of liquid holdup in horizontal pipe with BP neural network
Energy Science & Engineering, 2020 Liquid holdup is one of the most critical factors for the formation of pipe effusion, which is closely related to the efficiency of pipe transportation.
Rongge Xiao +5 more
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