Regarding the high corrosion resistance of brass in sulfuric acid, its leaching process is the most important step in hydrometallurgical recovery of brass scraps.In this study, the electrochemical dissolution of brass chips in sulfuric acid has been investigated.The electrochemical cell voltage depends on various parameters.Regarding the complexity

This paper aims to explain the role of good governance in the realization of the knowledge-based economy within a quadruple helix innovation system (QHIS).It employs an analytical-descriptive method, while focusing on the econometric models within Eviews9 software environment.Theoretically, the paper is based on institutionalism approach.The intera

The Act on Decisions on Life-Sustaining Treatment for Patients in Hospice and Palliative Care or at the End of Life came into effect on February 4th, 2018, in South Korea.Based on the Act, all Koreans over the age of 19 years can decide whether to refuse life-sustaining treatments Headwear at the end of life via advance directive or physician order

In order to realize a measuring tool that can be easily used in elevator inspection and testing, this paper integrates several types of existing plug gauge (gap gauge and vernier gauge), steel ruler and some tape measure functions, and TIN SIGNS carries out technical transformation of existing tools through parameter calculation and mechanical opti

The co-editor networks of academic journals are generally examined at the journal level.This paper investigates the geographies of the global co-editor network in oncology through the lens of cities.After using different network methods to analyze the global co-editor network, we found that the network can be characterized by a core-periphery struc