منابع مشابه
Wash Fastness of Textile Fibers Dyed with Natural Dye from Eucalyptus Wood Steaming Waste
Natural dyes are gaining interest due their expected low risk to human health and to the environment. In this study, the wash fastness of a natural coloring matter from the liquid waste produced in the steam treatment of eucalyptus wood in textile fabrics was investigated. Specifically, eucalyptus wood extract was used to dye cotton, nylon and wool in an exhaust dyeing process without the addit...
متن کاملSteaming on Convex Hulls
This is a sea story about using a simple classroom example to save a great deal of money, as well as to convince beginning Postgraduate Naval School operations research students—experienced, skeptical military officers—that mathematical analysis can yield immediate results. The application is planning a ship’s transit from one point to another in a fixed amount of time, given that the ship can ...
متن کاملSlow steaming – a viable long-term option?
Background for slow steaming A combination of factors have led to the past two years becoming hugely challenging for certain sectors of the global merchant shipping industry. Th ese factors include: Th e downturn in the global economy, resulting in reduced transportation capacity demand Th e substantial global order book for new tonnage, a legacy from the boom years, resulting in record-high de...
متن کاملThe Whirling Blade and the Steaming Cauldron
All rights reserved iii Acknowledgements The moral is, it hardly need be shown, All those who try to go it sole alone, Too proud to be beholden for relief, Are absolutely sure to come to grief. |Robert Frost With high spirits I undertook to thank the many people who have helped me during my graduate tenure at Caltech. I have had the opportunity and pleasure of meeting many very talented people ...
متن کاملGreen Steaming: A Methodology for Estimating Carbon Emissions Avoided
Commercial shipping cannot readily reduce its dependency on fossil fuels. Ships are large energy consumers and need to carry sufficient fuel for a voyage. The principle of green steaming, when ships travel at slower speeds to arrive just-in-time, is discussed and a methodology developed to estimate the carbon savings resulting if the industry were to adopt this practice. The method is based on ...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1913
ISSN: 0036-8733
DOI: 10.1038/scientificamerican04121913-339c