The soybean aphid (Aphis glycines Matsumura), a new pest of soybean [Glycine max (L.) Merr.], rapidly spread throughout North America after its arrival in 2000 and caused millions of dollars in economic losses. At present, the application of insecticides is the only means to control the soybean aphid. However, genetic resistance to the aphid was recently discovered in soybean germplasm and the ...

BY Major M. A. C. DOWLING, M.R.C.S., D.P.H., D.T.M.&H. Royal Army Medical Corps AND R. D. HUGHES, Ph.D., B.Se. Formerly Lieutenant, Royal Army Medical Corps INTRODUCTION FOLLOWING the occurrence of a number of cases of malaria in naval personnel who had been ashore at Pulau Tioman, a survey of the island was carried out on 29th June, 1955, on behalf of the Royal Navy and with the consent of the...

In this paper, effects of changing ambient temperatures on finite element (FE) model updating of the Dowling Hall Footbridge are investigated. The Dowling Hall Footbridge is located on the Tufts University campus in Medford, Massachusetts. The footbridge is equipped with a continuous monitoring system that records vibration and temperature of the bridge once an hour or when triggered by large v...