نتایج جستجو برای: foil rolling
تعداد نتایج: 23490 فیلتر نتایج به سال:
Multi-relational rule mining is important for knowledge discovery in relational databases as it allows for discovery of patterns involving multiple relational tables. Inductive logic programming (ILP) techniques have had considerable success on a variety of multi-relational rule mining tasks, however, most ILP systems do not scale to very large datasets. In this paper we present two extensions ...
obtaining temperature distribution data of slabs under rolling is essential as the mechanical and metallurgical properties of the metal under this process vary with temperature. using the control volume method, a mathematical model is employed in this study to predict slab temperature in the hot roll process at mobarakeh steel company. the effects of different parameters including the heat resu...
The most important purpose of cold rolling processes, in addition to obtaining appropriate mechanical features, is to achieve very low and more precise thicknesses’, the issue that is not possible in hot rolling processes. Today, most cold rolling lines designed continuously and usually consist of 4 to 6 fourroller rolling rack. Finished surface of obtained sheets of cold rolling is Harder and ...
ILP, in short, induces a hypothesis H that explains target relations from their positive and negative examples E with background knowledge B. QUINLAN's FOIL [1], known as one of the most successful ILP systems, requires a set of all examples T R belonging to relation R in B. FOIL starts with the left-hand side of the clause and specializes it keeping a training set T that starts from E to evalu...
FOIL is a learning system that constructs Horn clause programs from examples. This paper summarises the development of FOIL from 1989 up to early 1993 and evaluates its eeectiveness on a non-trivial sequence of learning tasks taken from a Prolog programming text. Although many of these tasks are handled reasonably well, the experiment highlights some weaknesses of the current implementation. Ar...
This paper describes the behavior of a rolling piston in a rolling piston type rotary compressor under various operating conditions. Kinematic behavior of the rolling piston is discussed with attention to the friction forces acting on the rolling piston and the vane. Emphasis is on the following simulation approach. (1) The equation of motion of the rolling piston is solved in conjunction with ...
Electrochemical conversion of carbon dioxide to value added multi-carbon products is great importance and a promising approach mitigate greenhouse gases. In this work, we report the fabrication electrodes by depositing Cu over metallic foils Zn, which show high faradic efficiency for CO2 formic acid, acetate, methanol. The morphology, phase oxidation state were different on two while maintainin...
We present a method of embedding Monolithic Active Pixel Sensor (MAPS) into flexible printed circuit board (FPC) and its interconnection by means through-hole copper plating. The resulting assembly, baptised "MAPS foil", is flexible, light, protected, fully integrated detector module. By using widely available manufacturing techniques, the production these devices can be scaled easily in size v...
Abstract To achieve a desired microstructure and minimize the thickness variation in rolled foils, researchers must understand effects of foil fabrication process variables on evolution. We developed an integrated simulation deformation recrystallization that employs finite element method (FEM) kinetic Monte Carlo (KMC) Potts model, respectively, to investigate evolution during multiple-pass ho...
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