نتایج جستجو برای: lost foam casting lfc

تعداد نتایج: 103097  

1993
Harish Ragavan Larry A. Rendell Michael J. Shaw Antoinette Tessmer

Difficult concepts arise in many complex, formative , or poorly understood real-world domains. High interaction among the data attributes causes problems for many learning algorithms, including greedy decision-tree builders, extensions of basic methods, and even backpropagation and MARS. A new algorithm, LFC uses directed lookahead search to address feature interaction, improving hypothesis acc...

Journal: :Anais do VI Simpósio Brasileiro de Sistemas Elétricos 2022

This paper discusses the inclusion of wind generation in load-frequency control (LFC) a hydro-wind power system through technique known as virtual synchronous generator (VSG), which makes static converters, connect farms to grid, emulate behavior real generator. In addition, is considered operate unloaded mode, having reserve deal with load disturbances. It was found that participation LFC, the...

Journal: :Journal of materials research and technology 2021

Copper (Cu) foams with high porosity of about 63–78% were processed by the freeze-casting (FC) and space-holder (SH) methods. The FC SH techniques yielded lamellar polygonal pore structures, respectively, similar porosities. deformation behaviors two different types Cu compared using uniaxial compression a simultaneous acoustic emission (AE) video recording analysis. It was found that compressi...

2004
Roberto Irizarry

Given its practical importance in industrial applications, automatic generation of inference systems is an important area of research. LFC is a new algorithm developed to generate a compact set of fuzzy classification rules from data. The premise is extracted directly using a global optimization procedure based on a new recently introduced paradigm called artificial chemical process. The conclu...

Journal: :Journal of Soil Science and Plant Nutrition 2022

Abstract The purpose of this study is to explore the physiological mechanisms underlying attenuation Cd toxicity using Se in two cherry tomato cultivars ‘Hanluzhe’ (HLZ) and ‘Lvfeicui’ (LFC), with low high accumulation rates, respectively. Hydroponic experiments were conducted 2.5 μmol L −1 was applied hydroponic solution 50 Cd. photosynthetic parameter, antioxidant enzyme activities, non-enzym...

Journal: :Processes 2022

The use of photogrammetry provides an inexpensive, alternative method that can simplify the processes traditionally carried out in orthotics workshop. objectives this study are to develop a based on obtain 3D-printed positive foot casts for fabricating thermoconformed orthoses from negative cast phenolic foam. Using basic Smartphone, photo capture protocol feet, free software and 3D printer, we...

2014
Alessandro Beda Andreas Güldner Alysson R. Carvalho Walter Araujo Zin Nadja C. Carvalho Robert Huhle Antonio Giannella-Neto Thea Koch Marcelo Gama de Abreu James West

BACKGROUND Measuring esophageal pressure (Pes) using an air-filled balloon catheter (BC) is the common approach to estimate pleural pressure and related parameters. However, Pes is not routinely measured in mechanically ventilated patients, partly due to technical and practical limitations and difficulties. This study aimed at comparing the conventional BC with two alternative methods for Pes m...

2006
Q. Li K.-S. Kim A. Rydberg

A novel diamagnetic lateral force calibrator D-LFC has been developed to directly calibrate atomic force microscope AFM cantilever-tip or -bead assemblies. This enables an AFM to accurately measure the lateral forces encountered in friction or biomechanical-testing experiments at a small length scale. In the process of development, deformation characteristics of the AFM cantilever assemblies un...

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