منابع مشابه
PCB and Heavy Metal Soil Remediation, Former Boat Yard, South Dartmouth, Massachusetts
PCB and Heavy Metal Soil Remediation, Former Boat Yard, South Dartmouth Massachusetts. Michael E. Martin & Marc J. Richards, Tighe & Bond Consulting Engineers. Heavy metals have been added to marine paint for more than 100-years to protect boats from biological, chemical and physical degradation. Polychlorinated biphenyls (PCBs) were added to marine paint starting in the 1940’s to give the pain...
متن کاملA Woman at Scotland Yard
plain unvarnished truth in simple language" in the Juvenile Court, or who regard incest?"this revolting crime"?as something to be dealt with shortly and "without leaving any disagreeable taste.' The chapter on incest takes two and a half pages, but the horror with which Miss Wyles regards all sexual offences permeates the whole book. She surprisingly speaks with respect of psychiatric reports a...
متن کاملPosco Yard Crane Automation
This paper describes an integrated approach for crane automation at the Kwangyang steel works, POSCO. Unmanned cranes are composed of several technologies,which include anti-sway control, precision position control, optimal trajectory computation, and coil shape recognition. Crane position while traveling and the traverse axis are controlled by PID position controllers. In order to prevent sway...
متن کاملRocking the Boat: Damage to Eelgrass by Swinging Boat Moorings
Seagrass meadows commonly reside in shallow sheltered embayments typical of the locations that provide an attractive option for mooring boats. Given the potential for boat moorings to result in disturbance to the seabed due to repeated physical impact, these moorings may present a significant threat to seagrass meadows. The seagrass Zostera marina (known as eelgrass) is extensive across the nor...
متن کاملROV Operation from a Small Boat
Remotely operated vehicles (ROVs) are useful tools for aquatic research, but are underutilized because of the high operational costs and limited versatility of older models. Scientifically useful ROVs were originally very expensive to purchase or lease, and costly to operate with limited models available. With an increase in the number of models available and lower operating costs, the use of R...
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ژورنال
عنوان ژورنال: Oz
سال: 1981
ISSN: 2378-5853
DOI: 10.4148/2378-5853.1025