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Journal articles on the topic 'Complete factorial design'

Author: Grafiati

Published: 25 January 2024

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1

KUMAR, PRAKASH, KRISHAN LAL, ANIRBAN MUKHERJEE, UPENDRA KUMAR PRADHAN, MRINMOY RAY, and OM PRAKASH. "Advanced row-column designs for animal feed experiments." Indian Journal of Animal Sciences 88, no. 4 (2023): 499–503. http://dx.doi.org/10.56093/ijans.v88i4.78895.

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Inappropriate statistical designs may misinterpret results of animal feed experiments. Thus complete statistical designs can make animal feed research more appropriate and cost effective. Usually factorial row-column designs are used when the heterogeneity in the experimental material is in two directions and the experimenter is interested in studying the effect of two or more factors simultaneously. Attempts have been to develop the method of construction of balanced nested row column design under factorial setup. Factorial experiments are used in designs when two or more factors have same le

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., Niranjan Chivate, Sidharth Patil ., Jagdish Saboji ., and Anuradha Chivate . "A Complete Review on Solid Dispersion Technology and Factorial Design." Journal of Current Pharma Research 2, no. 4 (2012): 659–67. http://dx.doi.org/10.33786/jcpr.2012.v02i04.011.

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Alassane, Daibou, Jaqueline Akemi Suzuki Sediyama, Alice Dos Santos Ribeiro, José Ivo Ribeiro Júnior, and Belo Afonso Muetanene. "PERFORMANCE OF MULTIPLE LINEAR REGRESSION ANALYSIS CONDUCTED UNDER RANDOMIZED COMPLETE BLOCK DESIGN." BRAZILIAN JOURNAL OF AGRICULTURE - Revista de Agricultura 98, no. 3 (2024): 186–95. http://dx.doi.org/10.37856/bja.v98i3.4334.

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In factorial experiments conducted under randomized block design, the multiple linear regression model fitting can be performed under different combinations of the quantitative levels of the two factors and the number of replications. To determine the best combination, considering the same number of levels per factor and the same number of experimental units, it was concluded through a simulated data study that the quality of the fit increases when regression is performed in experiments with fewer combinations of levels (treatments) and more replications. Therefore, if linearity is expected, u

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Jain, Neha, Mohan L. Kori, Umesh K. Jain, and Abhishek K. Jain. "NATURAL BIODEGRADABLE CIPROFLOXACIN MICROSPHERES: OPTIMIZATION STUDY BY FACTORIAL DESIGN." Indian Drugs 59, no. 04 (2022): 24–33. http://dx.doi.org/10.53879/id.59.04.13018.

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Oral drug delivery is the most popular method of control and release of therapeutic agents for the management of diseases. The colon specific drug delivery systems are considered to attain targeted drug delivery to the large intestine specifically at colon. They provide local delivery for the treatment of colonic diseases like inflammatory bowel disease. The present investigation is based on response of percent drug release as dependent variable for the study at Y axis with two different variables-concentration of surfactant (X1) and stirring speed (X2). A 32 full factorial design was used for

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Collins, Linda M., John J. Dziak, and Runze Li. "Design of experiments with multiple independent variables: A resource management perspective on complete and reduced factorial designs." Psychological Methods 14, no. 3 (2009): 202–24. http://dx.doi.org/10.1037/a0015826.

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Masetto, Alejandra, Luis B. Flores-Cotera, Carlos Díaz, Elizabeth Langley, and Sergio Sanchez. "Application of a complete factorial design for the production of zeaxanthin by Flavobacterium sp." Journal of Bioscience and Bioengineering 92, no. 1 (2001): 55–58. http://dx.doi.org/10.1016/s1389-1723(01)80199-7.

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Edginton, Andrea N., Patrick M. Sheridan, Herman J. Boermans, Dean G. Thompson, John D. Holt, and Gerald R. Stephenson. "A Comparison of Two Factorial Designs, a Complete 3×3 Factorial and a Central Composite Rotatable Design, for Use in Binomial Response Experiments in Aquatic Toxicology." Archives of Environmental Contamination and Toxicology 46, no. 2 (2004): 216–23. http://dx.doi.org/10.1007/s00244-003-2176-9.

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C. Eze, Francis. "Choice of Confounding in the 2k Factorial Design in 2b Blocks." Academic Journal of Applied Mathematical Sciences, no. 55 (May 15, 2019): 50–56. http://dx.doi.org/10.32861/ajams.55.50.56.

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In 2k complete factorial experiment, the experiment must be carried out in a completely randomized design. When the numbers of factors increase, the number of treatment combinations increase and it is not possible to accommodate all these treatment combinations in one homogeneous block. In this case, confounding in more than one incomplete block becomes necessary. In this paper, we considered the choice of confounding when k > 2. Our findings show that the choice of confounding depends on the number of factors, the number of blocks and their sizes. When two more interactions are to be confo

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M.P., Iwundu, and Oko E.T. "Design Efficiency and Optimal Values of Replicated Central Composite Designs with Full Factorial Portions." African Journal of Mathematics and Statistics Studies 4, no. 3 (2021): 89–117. http://dx.doi.org/10.52589/ajmss-ajwdyp0v.

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Efficiency and optimal properties of four varieties of Central Composite Design, namely, SCCD, RCCD, OCCD and FCCD and having r_f replicates of the full factorial portion, r_α replicates of the axial portion and r_c replicates of the center portion are studied in four to six design variables. Optimal combination,[r_f: r_α: r_c ] of design points associated with the three portions of each central composite design is presented. For SCCD, the optimal combinations resulting in A- and D- efficient designs generally put emphasis on replicating the center portion of the SCCD. However, replicating the

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Gama, A. J. A., J. M. R. Figueirêdo, A. L. F. Brito, M. A. Gama, G. A. Neves, and H. C. Ferreira. "Factorial design and statistical analysis of smectite clay treatment by hydrocyclone." Cerâmica 64, no. 369 (2018): 57–63. http://dx.doi.org/10.1590/0366-69132018643692196.

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Abstract Bentonite clays are materials composed by one or more smectite clay minerals and some accessory minerals, mainly quartz, cristobalite, mica, feldspars and other clay minerals such as kaolinite. These contaminants present in clays have a large distribution of particle sizes which severely restrict their industrial applications, with the use of hydrocyclone as a likely solution for their reduction. This study aims to analyze the treatment of smectite clays from the state of Paraíba using modeling, simulation and optimization of the variable average particle diameter in relation to vario

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Prescott, R. J., E. A. Nelson, J. J. Dale, D. R. Harper, and C. V. Ruckley. "Design of Randomized Controlled Trials in the Treatment of Leg Ulcers: More Answers with Fewer Patients." Phlebology: The Journal of Venous Disease 13, no. 3 (1998): 107–12. http://dx.doi.org/10.1177/026835559801300305.

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Objective: To illustrate the benefit of the factorial design in randomized controlled trials of leg ulcers. Design: A 2 × 2 × 2 factorial design. Setting: Hospital leg ulcer clinics in Edinburgh and Falkirk. Patients: Adults with at least one unhealed leg ulcer of determined origin, present for at least 2 months and greater than 1 cm in diameter. Interventions: Pentoxifylline (Trental) 400 mg, three times daily, versus placebo Main outcome measure: Complete healing of all ulcers within 24 weeks. Results: Of 525 patients screened, 200 pure venous ulcers were randomized (58.5% healed by 24 weeks

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Ubaldini, S., L. Piga, P. Fornari, and R. Massidda. "Removal of iron from quartz sands: A study by column leaching using a complete factorial design." Hydrometallurgy 40, no. 3 (1996): 369–79. http://dx.doi.org/10.1016/0304-386x(95)00012-6.

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Moreland, Jeffrey C., Julia L. Sharp, and Philip J. Brown. "Lab-Scale Fiber Spinning Experimental Design Cost Comparison." Journal of Engineered Fibers and Fabrics 5, no. 1 (2010): 155892501000500. http://dx.doi.org/10.1177/155892501000500105.

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Many statistical experimental designs are too costly or require too much raw material to be feasible for lab-scale fiber spinning experiments. In this study a four-factor response surface design is presented to study the fiber spinning process in detail at the lab scale. The time, cost, and amount of raw material required to execute the proposed design are compared to the typical completely randomized 24 factorial design used in fiber spinning experiments and also to a standard four-factor response surface design. Sample fiber data as well as analysis from a typical statistical software packag

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Yamada, José Tadao, Rafaela Simôes Espírito Viana, Ramona Rodrigues Santos, et al. "Use of factorial design with significant interaction and Tukey's Test in agricultural and environmental experiments." Revista de Gestão e Secretariado (Management and Administrative Professional Review) 14, no. 6 (2023): 9815–28. http://dx.doi.org/10.7769/gesec.v14i6.2335.

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This study aimed to present one of the applications of complete factorial planning with significant interactions as well as Tukey's Test in the agricultural and environmental area. To achieve this objective, applied research of exploratory nature and quantitative approach was carried out. As method and technical procedures were adopted, respectively, the bibliographical research, the literature review, and a case study. As a contribution of this research, it is pointed out the use of this tool in other research fields, but mainly in the environmental area.

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Yamada, José Tadao, Rafaela Simôes Espírito Viana, Ramona Rodrigues Santos, et al. "Use of factorial design with significant interaction and Tukey's test in agricultural and environmental experiments." Revista de Gestão e Secretariado (Management and Administrative Professional Review) 14, no. 6 (2023): 10512–26. http://dx.doi.org/10.7769/gesec.v14i6.2390.

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This study aimed to present one of the applications of complete factorial planning with significant interactions as well as Tukey's Test in the agricultural and environmental area. To achieve this objective, applied research of exploratory nature and quantitative approach was carried out. As method and technical procedures were adopted, respectively, the bibliographical research, the literature review, and a case study. As a contribution of this research, it is pointed out the use of this tool in other research fields, but mainly in the environmental area.

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Ratanathavorn, W., S. Charoenjai, S. Janbuala, B. Chalermsinsuwan, and K. Poochinda. "Effects of Design Parameters for Clay Brick Kiln Using Computational Fluid Dynamics and Experimental Design." Advanced Materials Research 1101 (April 2015): 51–56. http://dx.doi.org/10.4028/www.scientific.net/amr.1101.51.

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One of the most critical steps in brick making is firing, performed to harden the bricks. In a typical non-industrial setting, many pieces of extruded clays are stacked into a box-shaped kiln with equally-spaced rectangular vertical holes and another set of equally-spaced horizontal holes at the bottom across two sides. Roman roof tiles are used to cover the vertical sides, while leaving the horizontal holes opened, to complete the kiln assembly. Rice husk is filled in the holes of the kiln and is used as the fuel for firing. However, approximately 10% of the bricks, stacked conventionally, ar

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Leon, Rosmery Merma, Michele Georges Issa, Marcelo Dutra Duque, Josiane Souza Pereira Daniel, and Humberto Gomes Ferraz. "Development of a Discriminative Dissolution Method, Using In-Silico Tool for Hydrochlorothiazide and Valsartan Tablets." Pharmaceutics 15, no. 6 (2023): 1735. http://dx.doi.org/10.3390/pharmaceutics15061735.

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Hydrochlorothiazide (HTZ) and Valsartan (VAL) are poorly soluble drugs in BCS classes IV and II. This study aimed to develop a method to assess the dissolution profile of tablets containing HTZ (12.5 mg) and VAL (160 mg) as a fixed-dose combination, using in silico tools to evaluate products marketed in Brazil and Peru. Firstly, in vitro dissolution tests were performed using a fractional factorial design 33−1. Then, DDDPlus™ was used to carry out experimental design assays of a complete factorial design 33. Data from the first stage were used to obtain calibration constants for in silico simu

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Birnbaum, Michael H. "Multiattribute judgment: Acceptance of a new COVID-19 vaccine as a function of price, risk, and effectiveness." Judgment and Decision Making 16, no. 5 (2021): 1155–85. http://dx.doi.org/10.1017/s193029750000838x.

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AbstractThis paper illustrates how to apply the RECIPE design to evaluate multiattribute judgment, reporting an experiment in which participants judged intentions to receive a new vaccine against COVID-19. The attributes varied were Price of the vaccine, Risks of side effects as reported in trials, and Effectiveness of the vaccine in preventing COVID. The RECIPE design is a union of factorial designs in which each of three attributes is presented alone, in pairs with each of the other attributes, and in a complete factorial with all other information. Consistent with previous research with ana

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Velza, Jacob Frederick P., Donata L. Valler, John L. Loraña, Edwin L. Alcantara, and Roger Y. Ibañez. "Productivity and Profitability of Tomato (Lycopersicum esculentum M.) Production in Masbate Under Improved Nutrient Management with and without Mulching." International Journal of Multidisciplinary: Applied Business and Education Research 4, no. 1 (2023): 27–37. http://dx.doi.org/10.11594/ijmaber.04.01.04.

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Field trial on tomato production was conducted under two sources of fertilizer through integrated application with and without mulching material to measure the growth, productivity and profitability of the said crop in the province of Masbate. The study was laid in a two-factor factorial Randomized Complete Block Design. Fertilizer treatments were tested in treatment of mulching (rice straw and control). The factorial treatment combinations were as follows: A1B1 - no fertilizer and without mulching; A2B1 - complete fertilizer without mulching; A3B1 - goat manure without mulching; A4B1 - comple

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Angriany, A. Muthiah Nur, Georgina Maria Tinungki, and Raupong Raupong. "Estimasi Komponen Variansi pada Rancangan Faktorial Acak Lengkap Menggunakan Metode Generalized Least Squares." Jurnal Matematika Statistika dan Komputasi 15, no. 2 (2018): 54. http://dx.doi.org/10.20956/jmsk.v15i2.5714.

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AbstractsExperiment design is a test or a row of test by using both statistical description and inference statistical. The aim of this test is to change an input to become an output as a respond of the experiment. In the experiment design, variance of factor A, B , AB error of variance are called as variant component. The aim of this study is to estimate variance component on complete random factorial design for fixed model and mixed model by using Generalized Least Squares (GLS)method, where GLS method as a development of Ordinary Least Square method. It used to be applied on data of complete

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E.I., Jaja, Etuk E.H., Iwundu M.P., and Amos E. "Robustness of Central Composite Design and Modified Central Composite Design to a Missing Observation for Non-Standard Models." African Journal of Mathematics and Statistics Studies 4, no. 2 (2021): 25–40. http://dx.doi.org/10.52589/ajmss-c5nkoi81.

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Missing observations in an experimental design may lead to ambiguity in decision making thereby bringing an experiment to disrepute. Robustness, therefore, enables a process, not to break down in the presence of missing observations. This work constructed a modified central composite design (MCCD) from a four-variable central composite design (CCD) augmented with four center points using the leverage of a hat-matrix. The robustness of the CCD and MCCD were assessed when a design point is missing at the factorial, axial, and center points of the experiment, for a non-standard model, using the l

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Materia, Frank T., and Joshua M. Smyth. "Acceptability of Intervention Design Factors in mHealth Intervention Research: Experimental Factorial Study." JMIR mHealth and uHealth 9, no. 7 (2021): e23303. http://dx.doi.org/10.2196/23303.

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Background With the growing interest in mobile health (mHealth), behavioral medicine researchers are increasingly conducting intervention studies that use mobile technology (eg, to support healthy behavior change). Such studies’ scientific premises are often sound, yet there is a dearth of implementational data on which to base mHealth research methodologies. Notably, mHealth approaches must be designed to be acceptable to research participants to support meaningful engagement, but little empirical data about design factors influencing acceptability in such studies exist. Objective This study

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Yang, Hui, Rong Qiang Liu, Hong Wei Guo, and Jian Guo Tao. "Design Optimization of Opposite Tape-Spring Flexure Hinges." Applied Mechanics and Materials 740 (March 2015): 99–103. http://dx.doi.org/10.4028/www.scientific.net/amm.740.99.

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An optimal design method for the qusai-static folding and deployment of opposite tape-spring flexure (OTSF) hinges is presented based on the response surface method. The full factorial method is employed to design of experiments, and the qusai-static folding and deployment nonlinear analysis is obtained by ABAQUS/Explicit slover. The surrogate models of the OTSF flexure hinge are derived by the response surface method. Considering lightweight and high stability, the peak moment of quasi-static folding and deployment, and maximum Mises stress in complete folding configuration as well as mass ar

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Rodrigues, J. A. D., E. C. V. Toledo, and R. Maciel Filho. "A tuned approach of the predictive–adaptive GPC controller applied to a fed-batch bioreactor using complete factorial design." Computers & Chemical Engineering 26, no. 10 (2002): 1493–500. http://dx.doi.org/10.1016/s0098-1354(02)00099-6.

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EDMONDSON, R. N. "Trojan square and incomplete Trojan square designs for crop research." Journal of Agricultural Science 131, no. 2 (1998): 135–42. http://dx.doi.org/10.1017/s002185969800567x.

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Latin square and near-Latin square designs are valuable row-and-column designs for crop research but the practical size range of such designs is severely limited. Semi-Latin square designs extend this range but not all semi-Latin squares are suitable for experimental designs. Trojan square designs are a special class of optimal semi-Latin squares that generalizes the class of Latin square designs. The construction of Trojan squares both for unstructured and for factorial treatment sets is discussed and the utility of Trojan square designs for practical crop research is demonstrated. The corpus

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Sandberg, Fredrik, Kevin T. Soltwedel, Steve J. England, and Megan R. Bible. "PSVI-1 Evaluating the effects of feed form, with and without a nutritional water supplement, on the performance of piglets raised in a commercial research facility without feed grade antibiotics." Journal of Animal Science 97, Supplement_2 (2019): 205. http://dx.doi.org/10.1093/jas/skz122.360.

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Abstract The objective of this experiment was to determine whether feed form and water supplementation could jointly affect performance of newly weaned piglets. A total of 1319 PIC 359 piglets were randomly allocated to 2 dietary treatments and 2 water treatments in a 2 x 2 factorial design. The diet was either a crumbled pellet (COMPLETE), or a diet formulated using the same crumbled pellet as 70% of the diet together with other ingredients, in meal form, to make an isonitrogenous ration (PARTIAL). No feed grade antibiotics were used and from d 21 all pigs received a common diet. Water treatm

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Ba, Kalidou, Alpha Ousmane Toure, El Hadji Moussa Diop, Falilou Mbacke Sambe, and Codou Guéye Mar Diop. "Modelling and Optimizing the Removal of Methylene Blue by a Mixture of Titaniferous Sand and Attapulgite Using Complete Factorial Design." European Scientific Journal ESJ 17, no. 40 (2021): 88–105. http://dx.doi.org/10.19044/esj.2021.v17n40p88.

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This paper focuses on the removal of methylene blue by adsorption using a mixture of titaniferous sand and attapulgite. The different adsorbents were characterized by X-ray fluorescence spectroscopy and their different parameters such as pH, zero charge potential, and specific surface area were determined. The experiments performed were optimized and modeled by a full 2-level and 4-factor design. The four factors are the ratio of titaniferous sand and attapulgite, the concentration of methylene blue, pH, and time. These vary from 4 to 19, 20 to 100 mg/L, 2 to 9, and 30 to 150 min respectively.

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Romano, Pietro, Ionela Birloaga, and Francesco Vegliò. "Recovery of Platinum and Palladium from Spent Automotive Catalysts: Study of a New Leaching System Using a Complete Factorial Design." Minerals 13, no. 4 (2023): 479. http://dx.doi.org/10.3390/min13040479.

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The recovery of materials and energy from end-of-life products is increasingly a fundamental factor in the sustainable development of various countries. Recovering metals from different types of waste is not only a practice in support of the environment, but is also a profitable economic activity. For this reason, exhausted automotive catalysts can become renewable sources of critical raw materials such as Pt, Pd, and Rh. However, recovering Pt and Pd from spent catalysts through an efficient, economical, and green method remains a challenge. This article presents a new leaching process for th

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Arefae, Humam, Waill Jasim, and Emad Al-qaisy. "Heterosis of yield and its components of maize (Zea mays L.) using factorial mating design." Tikrit Journal for Agricultural Sciences 19, no. 3 (2023): 47–54. http://dx.doi.org/10.25130/tjas.19.3.7.

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 In this study, ten pure maize strains were introduced in the hybridization program according to the factorial design mating system proposed by Comstock and Robinson (1948 and 1952) and were divided into two groups: a local adapted inbred lines and strain 839 and cv 890 used as parents, (ZM51L, ZP-301, OH, IK-58, IK-8, SH, R-153) were used as females, The seeds of the ten parents and twenty-one hybrids were swon in the field of a farmer in the Zlaya area (south of Tikrit) using a random complete block design with three replicates ( RCBD ). The hybrid vigor was studied in methods (on the

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Buijtenen, J. P. van, and R. D. Burdon. "Expected efficiencies of mating designs for advanced-generation selection." Canadian Journal of Forest Research 20, no. 10 (1990): 1648–63. http://dx.doi.org/10.1139/x90-218.

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Expected efficiencies of regular hierarchical, factorial, and diallel crossing designs were compared for selection of individual offspring within progeny plantings. Variations of the diallels and factorials included partial designs, use of disconnected subsets, and in factorials, unbalanced numbers between classes of parent. Calculations were done for a single trait, adapting the within- and between-family selection index of Osborne, with fixed numbers of parents (100) and total offspring (10 000). For each design type, variable numbers of crosses per parent and variable genetic parameters (he

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Badarisman, A. H., K. Abdul Hamid, H. Ideris, M. Abu Bakar, and A. Jalar. "Effects of molding temperature on delamination of small outline transistor (SOT)." Journal of Physics: Conference Series 2169, no. 1 (2022): 012035. http://dx.doi.org/10.1088/1742-6596/2169/1/012035.

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Abstract Delamination of small outline transistor (SOT) package has been a challenge to ensure good package reliability. Molding process parameter optimization is a practical & cost-effective alternative to reduce delamination of the plastic package. First, selective molding parameters, namely, molding temperature, transfer speed, transfer pressure & pre-heat temperature was varied in a full factorial experiment to determine the significance of each factor. It is observed from the complete factorial analysis that molding temperature was the most significant factor concerning delaminati

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Dewi, Anggi Derma Tungga, Bambang Suhartanto, Andriyani Astuti, and Dian Astuti. "The Effect of Sorghum Varieties (Sorghum Bicolor (L.) Moench) and Protein Levels on Chemical Composition and In Vitro Digestibility of Fermented Complete Feed." Key Engineering Materials 884 (May 2021): 171–77. http://dx.doi.org/10.4028/www.scientific.net/kem.884.171.

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This research aimed to determine the effect of sorghum varieties and protein levels on chemical composition and in vitro digestibility of fermented complete feed. The data were analysed by complete random design of 2 x 3 factorial patterns; two varieties sorghum forage, namely BMR and Super-2, were used to formulate complete feed with 3 different protein levels, 8; 9.5; and 11%. Complete feed was fermented for 3 days, each of them were carried out by 3 replications. Fermented complete feed samples were analyzed for the chemical composition include dry matter (DM) content, organic matter (OM),

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Da Rosa, Patricia Pinto, Bianca Pio Ávila, Rudolf Brand Scheibler, et al. "Productivity and nutritional value of elephant grass BRS Kurumi subjected to different proportions of defoliation." Pesquisa Agropecuária Gaúcha 29, no. 1 (2023): 16–31. http://dx.doi.org/10.36812/pag.202329116-31.

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The objective of this paper was to evaluate productivity, nutritional value of forage and tillering of elephant grass cv. BRS Kurumi under different pre-defoliation and post-defoliation canopy heights (residual height). The experimental design consisted in a randomized complete block design, with four replications. Treatments corresponded to the factorial combination of two pre‐defoliation heights (60 and 80 cm) and three post-defoliation residue heights (10, 25 and 40 cm), combined in factorial design 2 x 3, being, respectively, 60 x 10 cm; 60 x 25 cm; 60 x 40 cm; 80 x 10 cm; 80 x 25 cm; 80 x

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Macagnan, Karine Laste, Mariane Igansi Alves, Amanda Ávila Rodrigues, et al. "Complete factorial design to adjust pH and sugar concentrations in the inoculum phase of Ralstonia solanacearum to optimize P(3HB) production." PLOS ONE 12, no. 7 (2017): e0180563. http://dx.doi.org/10.1371/journal.pone.0180563.

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KHOSHKHARAM, Mehdi, Mohamad H. SHAHRAJABIAN, and Mehrdad ESFANDIARY. "The effects of methanol and amino acid glycine betaine on qualitative characteristics and yield of sugar beet (Beta vulgaris L.) cultivars." Notulae Scientia Biologicae 13, no. 2 (2021): 10949. http://dx.doi.org/10.15835/nsb13210949.

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In order to investigate the effects of methanol and glycine betaine application on quality traits and yield of different fodder beet cultivars, the experiment was performed as a combined split-factorial design based on randomized complete block design with 3 replications in two years in Isfahan, Iran. The concentrations of methanol in 3 levels (control, 15 and 30% v/v methanol) were considered as the first treatment, the concentrations of glycine betaine in 2 levels (control and 4 g per liter) as the second treatment and different cultivars (‘Sentinel’, ‘Drafter’, ‘Rivolta’, ‘Elanta’, ‘Rasta’,

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Toledo, L. A. Bravo, S. A. Castelo Vega, D. E. Apeña Milla, et al. "Immobilization of Lead by Phosphated Biochar Produced from Fish Farming Sludge and Sewage Sludge in a Contaminated Urban Soil." International Journal of Membrane Science and Technology 10, no. 3 (2023): 1347–56. http://dx.doi.org/10.15379/ijmst.v10i3.1713.

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An evaluation was conducted on the application of phosphate biochar produced from Sewage Sludge (SS) of a Wastewater Treatment Plant (WWTP) for lead immobilization in contaminated soils of the Human Settlement (HS) Virgin of Guadalupe, in the district of Mi Peru. Biochar was generated by a slow pyrolysis process at 500°C. The biochar was dosed at 10% biochar/soil on lead-contaminated soil, and the factors studied were the type of biochar and time of application. A complete factorial design was performed, and the data were processed using Design Expert v11 software. The results showed that the

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Krishnam Raju, Kovoru, Beeravelli Sudhakar, and Kolapalli Venkata Ramana Murthy. "Factorial Design Studies and Biopharmaceutical Evaluation of Simvastatin Loaded Solid Lipid Nanoparticles for Improving the Oral Bioavailability." ISRN Nanotechnology 2014 (February 13, 2014): 1–8. http://dx.doi.org/10.1155/2014/951016.

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Statins are HMG-CoA reductase inhibitors, which lower the cholesterol level through reversible and competitive inhibition; they are involved in the biosynthesis of cholesterol and other sterols. Simvastatin exhibits poor oral bioavailability (<5%) and undergoes extensive microsomal metabolism by CYP enzymes. CYP3A4 is the major metabolizing enzyme that metabolizes lactone form of simvastatin and significantly lowers intestinal uptake. The hydrophobic properties of simvastatin prevent complete dissolution of the drug in the intestinal fluid which also contributes to its lower bioavailability

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GHANI, Askar, Seyyed Hossein NEAMATI, Majid AZIZI, Mohammad Jamal SAHARKHIZ, and Mohammad FARSI. "Artificial Autotetraploidy Induction Possibility of Two Iranian Endemic Mint (Mentha mozaffarianii) Ecotypes." Notulae Scientia Biologicae 6, no. 2 (2014): 185–91. http://dx.doi.org/10.15835/nsb629129.

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The present study was conducted to polyploidy possibility induction of two Iranian endemic mint (Mentha mozaffarianii) ecotypes. For this purpose, three experiments were done. The first experiment was factorial, based on completely randomized design with three factors and three replications that rhizomes were used for treatment. The first factor including different colchicine concentrations (0, 0.025, 0.05, 0.1 and 0.2% that 0 as control). The second factor including two Mentha ecotypes (Ecotype A: Kamarej region and Ecotype B: Pirmohlat region) and the third factors consist of two soaking tim

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Yang, Hui, Rong Qiang Liu, Yan Wang, and Jian Guo Tao. "Parameter Study of Opposite Tape-Spring Flexure Hinge." Applied Mechanics and Materials 721 (December 2014): 118–21. http://dx.doi.org/10.4028/www.scientific.net/amm.721.118.

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Parameter study for the qusai-static folding and deployment of opposite tape-spring flexure (OTSF) hinges is presented. The full factorial method is employed to design of experiments, and the qusai-static folding and deployment nonlinear analysis is obtained by ABAQUS/Explicit solver. Parametric studies show that both the section radius and the central angle have significant effects to the peak moment of quasi-static folding and deployment of the OTSF hinges. However, the maximum Mises stress in complete folding configuration is more sensitive to the central angle than the section radius.

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Odoom, Daniel Asomning, Joseph Xorse Kugbe, Israel Kwame Dzomeku, et al. "Impact of Production Inputs and Timing on Crackness of Rice in Northern Ghana." International Journal of Agronomy 2021 (August 17, 2021): 1–14. http://dx.doi.org/10.1155/2021/9982911.

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Under rain-fed conditions, perfumed rice production in Northern Ghana is associated with high paddy cracking during milling. In this study, 4 perfumed rice varieties, 6 staggered planting times, 6 staggered harvesting cycles, and staggered storage duration from harvest to six months of storage were used in a randomized complete block design to identify the best combination of factors that are associated with low cracking in rice production. The experiment was laid out in a randomized complete block design with three geographically distinct locations serving as replicates. Grain moisture and pa

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Paredes, Juan, Cesar Arroba, Alvaro Machado, and Willan Castillo. "Mechanical Properties Optimization of the Elastomeric Matrix Reinforced Composite Material with Cabuya Fiber, Using the DOE/Complete Factorial Design and Desirability Function." Key Engineering Materials 872 (January 2021): 45–53. http://dx.doi.org/10.4028/www.scientific.net/kem.872.45.

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The development of green composites to obtain scientific, technological and industrial application benefits, and evaluate different mechanical properties of those materials; as well as the great growth and the global market demand being considered as lightly and low manufacture cost materials, that has mechanical and physical properties equal or higher that will replace the materials that are traditionally seen in industry. Applying an analysis based in the experiments design (DOE) plus experimental essays, a mechanical characterization of composite material latex reinforced with short cabuya

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Paredes, Juan, Cesar Arroba, Alvaro Machado, and Willan Castillo. "Mechanical Properties Optimization of the Elastomeric Matrix Reinforced Composite Material with Cabuya Fiber, Using the DOE/Complete Factorial Design and Desirability Function." Key Engineering Materials 872 (January 2021): 45–53. http://dx.doi.org/10.4028/www.scientific.net/kem.872.45.

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The development of green composites to obtain scientific, technological and industrial application benefits, and evaluate different mechanical properties of those materials; as well as the great growth and the global market demand being considered as lightly and low manufacture cost materials, that has mechanical and physical properties equal or higher that will replace the materials that are traditionally seen in industry. Applying an analysis based in the experiments design (DOE) plus experimental essays, a mechanical characterization of composite material latex reinforced with short cabuya

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Tarigan, E., Yunilas, N. Ginting, and N. Saidi. "Bioactivator Based On Organic Waste for Maggot Media Fermentation." Jurnal Peternakan Integratif 10, no. 3 (2022): 179–85. http://dx.doi.org/10.32734/jpi.v10i3.9620.

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This study aims to determine the quality of local microorganisms (MOL) based on waste used as a bio activator of maggot fermentation media. The research design used was a 4x3 factorial randomized design (CRD) with three replications. The factor I was various organic wastes (D1 = vegetable waste, D2 = fruit waste, D3 = food processing waste, D4 = mixed waste and Factor II was old fermentation (L1 = 7 days, L2 = 14 days, L4 = 21 days), the variables observed were pH, Colour, aroma, microbial population, and total acid. Acidic and very acidic, obtained a pH in the range of 5.4 - 6.7, obtained a

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Mardalena, Mardalena. "Pengaruh Waktu Pemerahan dan Tingkat Laktasi terhadap Kualitas Susu Sapi Perah Peranakan Fries Holstein." Jurnal Ilmiah Ilmu-Ilmu Peternakan 11, no. 3 (2008): 107–11. http://dx.doi.org/10.22437/jiiip.v11i3.741.

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This study intended to know the difference of milk quality result of pressing out of evening and morning at level of lactation (I, II and III) of Fries Holstein dairy cattle. Experimental design used in this experiment was Complete Randomized Design (CRD) Factorial 2x3 Pattern by 10 times replication. The result indicated that quality of milk at pressing out of morning were fat rate (3,17%), dry materials rate ( 12,206%) and protein rate ( 3,583%)was lower than pressing out of evening which were fat rate ( 3,69%), dry materials rate ( 12,527%) and protein rate ( 3,613%). Conclusion of this res

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Beringer, Dennis B., and Kelene A. Fercho. "The Use of Enhanced Flight Vision Systems (EFVS) for Low-visibility Takeoffs in Part 121 Operations." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 64, no. 1 (2020): 198–202. http://dx.doi.org/10.1177/1071181320641048.

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Twelve Part 121 operations commercial-carrier crews completed low-visibility takeoffs at Memphis International Airport using an Enhanced Flight Vision System (EFVS). A 2x2x2x3 factorial design with runway visual range (RVR; 500 and 700 feet), runway edge lighting (high intensity or medium intensity) and two levels of EFVS (either captain’s head-up display only or with additional first officer’s head-down repeater) was used along with supplemental sample points and several baseline trials representing current-authorization conditions. Tasks included normal takeoffs, EFVS failure (both continue

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Widyastuti, Titiek, and Insan Wijaya. "Pemberian Urine Sapi dan Penentuan Dosis Pupuk N Pada Tanaman Ketimun (Cucumis Sativus, L.)." PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) 1, no. 1 (2021): 1–4. http://dx.doi.org/10.18196/pt.v1i1.3104.

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An experiment to study the effect of cow urine applications and dosage of N fertilizer was conducted in Bondowoso, from February to April 2002. A factorial experiment consisted of two factors and the whole treatments were arranged in 3x4 factorial Randomized Complete Block Design (RCBD) with 3 replications. The first factor was urine of Cow, consist of U0 = control, U1= 20%, U = 40%. The second factor was dosage of N fertilizer, consist of N1 = 0 kg/ha, N2 = 150 kg/ha, N3 = 300 kg/ha, N4 = 450 kg/ha. The effect of treatments on growth and yield of cucumber were observed. The result showed that

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Najjari, Sara, Mohammadjavad Seghatoleslami, and Gholamreza Mousavi. "The Effect of Drought Stress, Salicylic Acid and Nitrogen on Yield and Yield Components of Forage Maize." International Journal of Life Sciences 9, no. 6 (2015): 72–74. http://dx.doi.org/10.3126/ijls.v9i6.12741.

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The effect of salicylic acid (SA) and nitrogen fertilization on forage maize was studied under drought stress in Nehbandan, Iran in 2014. It was a factorial split-plot experiment based on a Randomized Complete Block Design with three replications. The main plot was devoted to irrigation intervals. The sub-plot was factorial of two factors (nitrogen and SA). It was found that deficit irrigationdeclined quantitative yield of maize. Nitrogen fertilization improved forage yield. Fresh and dry forage yield was 65.88 and 665.32% lower under 16-day irrigation interval than under 8-day irrigation inte

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Peasura, Prachya. "The Influence of Welding Parameters on Effected the Complete for Resistance Spot Welding on Mild Steel." Advanced Materials Research 214 (February 2011): 113–17. http://dx.doi.org/10.4028/www.scientific.net/amr.214.113.

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This research was study the effect of resistance spot welding process on physical properties. The specimen was mild steel sheet metal. The experiments with full factorial design. The factors used in this study are welding current, welding time and electrode force. The welded specimens were tested by tensile shear testing according to JIS Z 3136: 1999 and macro structure testing according to JIS Z 3139: 1978. The result showed that both of welding current, welding time and electrode force had interaction on tensile shear and nugget size at 95% confidential (P value < 0.05). Factors affecting

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Izuogu, N. B., H. S. Baba, and E. O. Winjobi. "Assessment of bio-agent (Trichoderma Harzianum) in the management of two pepper varieties infected with root-knot nematode (Meloidogyne Incognita)." Acta Universitatis Sapientiae, Agriculture and Environment 11, no. 1 (2019): 16–22. http://dx.doi.org/10.2478/ausae-2019-0002.

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Abstract Two field trials were carried out at the Teaching and Research Farm of the University of Ilorin in the 2012 and 2014 planting seasons to find out the effeciency of Trichoderma harzianum as a bio-control agent in controlling root-knot nematode (Meloidogyne incognita) in two pepper varieties (F1 Nikita and Gianfranco Fuscello). A 2 × 2 factorial design fitted into a randomized complete block design (RCBD) was used with 5 replications. The T. harzianum filtrate significantly increased plant height, number of leaves, and yield. The control showed higher root galling and soil nematode popu

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Franco, Hélio Henrique Soares, Alvaro Pires da Silva, Cássio Antonio Tormena, et al. "Porous cup shape and installation mode influencing determinations of matric potential by tensiometers." Pesquisa Agropecuária Brasileira 52, no. 12 (2017): 1291–94. http://dx.doi.org/10.1590/s0100-204x2017001200019.

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Abstract: The objective of this work was to determine the measurement accuracy of the soil water matric potential (ψm) by puncture tensiometers with either rounded or pointed porous cups, installed with or without “soil mud”, and to compare the performance of these tensiometers with that of tensiometers equipped with mercury manometers. The experiment was conducted in a Ultisol, in a randomized complete block design, in a factorial arrangement with five replicates. Puncture tensiometers with rounded porous cups, installed with “soil mud”, present more elevated accuracy for ψm determination in

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