Results 131 to 140 of about 3,450 (256)
Fabrication and Evaluation of New Investment for Dental Application
مجله دانشکده دندانپزشکی اصفهان, 2007 Introduction: Investment materials have been used to produce molds for casting of Inlays, Onlays, crowns and bridges. In this study, gypsum and investments routinely used in Iran, were evaluated and characterized, then α hemi hydrate calcium sulfate and ...
T Ahmadi, MH Fathi, A Monshi
doaj
Present state of investment casting technology
, 2015 This bachelor’s thesis describes investment casting process in each phases of manufacturing the final casting i.e. from master die, wax pattern, ceramic shell, dewaxing process, metal pouring up to finishing operations and final casting inspection.
Ševčík, Lukáš
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Colonial and gendered peace: Decolonial perspectives on peace in Nagorno‐Karabakh
Feminist Anthropology, EarlyView.Abstract This article critically interrogates peace processes in the aftermath of the First Nagorno‐Karabakh War by centering the lived experiences and political voices of Armenian and Azerbaijani internally displaced and refugee women, based on ethnographic fieldwork and in‐depth interviews conducted in 2019.
Ramil Zamanov
wiley +1 more source
The research progress in polyethylene oxide polymer electrolytes
FlexMat, EarlyView.Polyethylene oxide (PEO) has become the mainstream matrix material for solid polymer electrolytes (SPEs) due to its excellent lithium salt complexation ability and processability. However, its high crystallinity results in low ionic conductivity at room temperature and difficulty in suppressing lithium dendrite growth, which significantly hinders the ...
Ying Wei +8 more
wiley +1 more source
Nowcasting World Trade With Machine Learning: A Three‐Step Approach
Journal of Forecasting, EarlyView.ABSTRACT We nowcast world trade using machine learning, distinguishing between tree‐based methods (random forest and gradient boosting) and their linear‐regression‐based counterparts (macroeconomic random forest and gradient boosting—linear). While much less used in the literature, the latter are found to outperform not only the tree‐based techniques ...
Menzie Chinn +2 more
wiley +1 more source
Present state of investment casting technology
, 2011 The Bachelor’s thesis deals with the latest trends in investment casting technology, from wax pattern manufacture, ceramic shell manufacture, de-waxing, shell heat treatment up to metal pouring and finishing operation.
Soukupová, Lucie
core +1 more source
Crack formation in investment casting ceramic shells
, 2011 This thesis is a collection of papers that discuss shell cracking in investment casting during pattern removal. The application of rigid polymeric foam for large investment casting patterns with complex geometries can improve the dimensional tolerances ...
Everhart, W. A.
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Food Safety and Health, EarlyView.The global patent landscape of mushroom‐derived functional food was widely analyzed, and AI‐integrated approaches realizing cost‐effective and reliable exploration of functional foods derived from mushrooms were explored. ABSTRACT Global health concerns and the increasing demand for nourishment have collectively driven the rising demand for functional ...
Xihong Zhao +5 more
wiley +1 more source
(How) Can Performance Appraisals Improve Employee Creativity? A Multidimensional Perspective
Human Resource Management, EarlyView.ABSTRACT Performance appraisal (PA) is commonly used by organizations to manage their employees. However, the role of PAs in employee creativity remains ambiguous, with positive, negative, or even nonsignificant relationships reported in the literature. The aim of the present research is to address this ambiguity.
Xiaoya Wen +3 more
wiley +1 more source
A future vision for the investment casting industry
, 1993 All of American industry is being subjected to increased competitive pressures due to customer needs for shorter cycle times and better quality. The investment casting industry could be in a unique position to satisfy these needs by incorporating several
Zanner, F. J., Maguire, M. C.
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