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Besides friction and wear, airborne particle emission has become a central parameter when evaluating disc brake performance due to its potential adverse health effects as component of ambient air pollution. The pad friction material of brake system is composed of a mixture of ingredients grouped into four material categories: abrasives, reinforcing fibres, lubricants, and fillers. Some other ingre
The current war in Ukraine has severely disrupted global food supply chains due to the significant decline in the production of grain commodities, of which Ukraine and Russia are major global suppliers. This creates problems in today’s globalised food systems. In particular, a number of countries are heavily dependent on food imports from Ukraine and/or Russia, particularly some developing nations
Hydropower is a clean and efficient technology for producing renewable energy. Assessment and forecasting of hydropower production are important for strategic decision-making. This study aimed to use machine learning models, including adaptive neuro-fuzzy inference system (ANFIS), gene expression programming, random forest (RF), and least square support vector regression (LSSVR), for predicting hy
This report relates to GIROD WP1 – “Development of a calculation model”. WP1 consists of four sub-WPs: 1.1 “Theoretical work”, 1.2 “Bond line tests”, 1.3 “Tests for calibration” and 1.4 “Calibration of model”.In WP1.1 theoretical models for rational prediction of pull out strength have been developed. The models include a very simple ideal plastic model, a linear elastic fracture mechanics model,
The paper accounts for the extent to which gender research is represented in leading archaeological journals throughout the 1980s to the present through the database Arts & Humanities Citation Index (ISI). The paper regards gender research as including gender, feminisms, masculinities,queer, intersectionality and embodiment. It is concluded that gender research, despite its alleged significanc
Almost 30 years have passed since gender studies entered archaeological discourse in earnest. What is the current status of gender research? One of the aims with this book is to contribute to answering this and other related questions. Another is to shed some light on the pasts and possible futures of gender research.Contributions deal with publication statistics in journals over the last theirty
Almost thirty years have passed since gender studies entered archaeologicaldiscourse in earnest. What is the current status of gender research? How arethe theoretical and analytical insights from feminisms used within archaeo-logical research? Have these insights been adapted to the archaeologicaldiscipline, have they been developed and deepened? What about other sub- jects in academia, academic d
The study of the movement of ‘things’ — the exchange of objects as gifts or through trade, the itineraries that they followed when on the move, and their changing importance from location to location — can offer unique insights into our understanding of past societies; and archaeology plays a vital role in allowing such movements to be traced. Nonetheless the circulation of objects across time, an
This chapter examines cultural exchange, change, and continuity through the lens of population movement: migration, immigration, refugees, displacement, diaspora, and the modes of transportation that brought diverse people into direct engagement with each other.
Swedish museums curate numerous objects made by indigenous peoples of North America. Collected already in the seventeenth century, their numbers increased in the nineteenth and early twentieth century. While some of them were collected systematically by scientific expeditions, majority of these objects were obtained as personal mementoes. Scrutinizing examples of North American souvenirs collected
