Results 41 to 50 of about 207,280 (295)

Study of Investment Casting Technology from Bronze Age. Casting Workshop in Grzybiany (Southwest Poland). [PDF]

open access: yesArchives of Metallurgy and Materials, 2018
Investment casting technology that utilizes lost-wax casting is one of the most-important achievements of ancient society. In Lower Silesia, Poland (Grzybiany, Legnica county), a 7-6 BC casting workshop was discovered with numerous artifacts, confirming ...
T. Tokarski   +5 more
doaj   +1 more source

CDDT: Fast Approximate 2D Ray Casting for Accelerated Localization

open access: yes, 2018
Localization is an essential component for autonomous robots. A well-established localization approach combines ray casting with a particle filter, leading to a computationally expensive algorithm that is difficult to run on resource-constrained mobile ...
Karaman, Sertac, Walsh, Corey
core   +1 more source

Electrospun nanosized cellulose fibers using ionic liquids at room temperature [PDF]

open access: yes, 2011
Aiming at replacing the noxious solvents commonly employed, ionic-liquid-based solvents have been recently explored as novel non-volatile and non-flammable media for the electrospinning of polymers.
Abbott   +49 more
core   +2 more sources

Playing Flappy Bird Based on Motion Recognition Using a Transformer Model and LIDAR Sensor

open access: yesSensors
A transformer neural network is employed in the present study to predict Q-values in a simulated environment using reinforcement learning techniques.
Iveta Dirgová Luptáková   +2 more
doaj   +1 more source

A Spherical Volume-Rendering Method of Ocean Scalar Data Based on Adaptive Ray Casting

open access: yesISPRS International Journal of Geo-Information, 2023
There are some limitations in traditional ocean scalar field visualization methods, such as inaccurate expression and low efficiency in the three-dimensional digital Earth environment.
Weijie Li   +5 more
doaj   +1 more source

Highly processable bulk metallic glass-forming alloys in the Pt–Co–Ni–Cu–P system [PDF]

open access: yes, 2004
Highly processable bulk metallic glass alloys in the Pt–Co–Ni–Cu–P system were discovered. The alloys show low liquidus temperature below 900 K, excellent processability with low critical cooling rate reflecting in maximum casting thicknesses in quartz ...
Johnson, William L., Schroers, Jan
core   +1 more source

Making Artificial Heart Components – Selected Aspects Of Casting Technology

open access: yesArchives of Metallurgy and Materials, 2015
This study shown possibilities of Rapid Prototyping techniques (RP) and metal casting simulation software (MCSS), including non inertial reference systems. RP and MCSS have been used in order to design and produce essential elements for artificial heart.
Sobczak J.J.   +7 more
doaj   +1 more source

A Comparison between GPU-based Volume Ray Casting Implementations: Fragment Shader, Compute Shader, OpenCL, and CUDA

open access: yesCLEI Electronic Journal, 2017
Volume rendering is an important area of study in computer graphics, due to its application in areas such as medicine, physic simulations, oil and gas industries, and others. The main used method nowadays for volume rendering is ray casting. Nevertheless,
Francisco Sans, Rhadamés Carmona
doaj   +1 more source

Evaluation of properties of cast metal foams with irregular inner structure [PDF]

open access: yes, 2018
Internal structure of metal foams is one of the most important factors that determine its mechanical properties. There exists a number of methods for studying the nature of the inner porous structure.
Hendrych, Jakub   +4 more
core   +1 more source

Research on combustion flow field imaging method based on ray casting algorithm

open access: yesAIP Advances, 2019
Measurement of flame or combustion is an important method to estimate combustion quality, study the performance of engine and develop renewable energy sources.
Min Yao   +4 more
doaj   +1 more source

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