This study is based on a medical audit of the Vila Municipal Health Clinic, Pelotas,Rio Grande do Sul. We collected data from family medical records in 1992, 1993, and 1994
No abstract
Electrolytic refining is the last step of pyrometallurgical copper production. Here, smelted copper is converted into high-quality cathodes through electrolysis. Cathodes that do not meet the physical quality standards are rejected and further reprocessed or sold at a minimum profit. Prediction of cathodic rejection is therefore of utmost importance to accurately forecast the electrorefining cycle economic production. Several attempts have been made to estimate this process outcomes, mostly based on physical models of the underlying electrochemical reactions. However, they do not stand the complexity of real operations. Data-driven methods, such as deep learning, allow modeling complex non-linear processes by learning representations directly from the data. We study the use of several recurrent neural network models to estimate the cathodic rejection of a cathodic cycle, using a series of operational measurements throughout the process. We provide an ARMAX model as a benchmark. Basic recurrent neural network models are analyzed first: a vanilla RNN and an LSTM model provide an initial approach. These are further composed into an Encoder-Decoder model, that uses an attention mechanism to selectively weight the input steps that provide most information upon inference. This model obtains 5.45% relative error, improving by 81.4% the proposed benchmark. Finally, we study the attention mechanism's output to distinguish the most relevant electrorefining process steps. We identify the initial state as a critical state in predicting cathodic rejection. This information can be used as an input for decision support systems or control strategies to reduce cathodic rejection and improve electrolytic refining's profitability.INDEX TERMS Deep learning, Electrorefining, Predictive models, Recurrent neural networks.
too hastily equated both critiques, relinquishing the need for proper distinction. While comprehensive works like Andrew Leach's Choosing History and Carla Keyvanian's "Manfredo Tafuri's Notion of History and its Methodological Sources: From Walter Benjamin to Roland Barthes" hardly mention Adorno's influence, if at all, Fredric Jameson in his 1982 "Architecture and the Critique of Ideology" described Tafuri's Architecture and Utopia and Adorno's 1949 Philosophy of Modern Music (along Roland Barthes' Le degré zéro de l'écriture), both as producing a sense of "the impossibility of the future, which cannot have failed to oppress any reader of this texts" (Jameson, 2000:444). Conversely, Hilde Heynen in her seminal Architecture and Modernity: A Critique, deals within the same work with both intellectual traditions, Critical Theory and the Venice School, providing the grounds for significant analysis-one she briefly outlines at the end of her account on Adorno's Aesthetic Theory (Heynen, 1999). The substantial distinction Heynen's work admits is still essential to an evaluation that allows both to limit and contextualize Tafuri's legacy against a specific historical and intellectual background, and to gauge Adorno's influence in his "critique of architectural ideology." At the same time, it renews the possibility of operating with the cultural tools of Critical Theory within architectural discourse detaching them from Tafuri's well known conclusions. As Tafuri's legacy has stubbornly endured within architectural academia and practice, and Adorno's has mostly been archived within discussions on high art against mass culture, the dependency of "negative dialectics" on the Venice School's disenchanted "negative thought" has to be proven valuable outside those elaborations. By unpacking specific aspects of Architecture and Utopia's first chapter "Reason's Adventures" in the light of Adorno and Horkheimer's Dialectic of Enlightenment, this essay elaborates on the intricate tissue of relations between of both critiques of modernity.
Given its nature, an expansion should always take a position on physical preexistences (either friendly, indifferent, defiant, and so on). However, it is not obvious that the design for a house expansion should also take a position on intangible pre-existences (such as discipline, culture, history, and so on). The example shows an attempt to extend not only a house but also the constellation of precedents that the commission follows, even if only in a small autonomy redoubt.
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