نتایج جستجو برای: boring

تعداد نتایج: 2882  

Journal: :Plasma Physics and Controlled Fusion 2013

Journal: :The Stata Journal: Promoting communications on statistics and Stata 2006

Journal: :Physical review letters 1996
Kodama Takahashi Tanaka Tsukamoto Hashimoto Kato Mima

2009
S. Yagiz J. Rostami T. Kim L. Ozdemir

Intact rock properties together with rock mass characteristics should be well investigated for selection of proper tunnel boring machine (TBM) for tunneling in various ground conditions. This is due to the significant impact of rock mass characteristics on machine performance. TBMs are site specific and designed for optimal performance in given ground conditions. When selected and put to work a...

2013
Jarrad R. Prasifka Jennifer E. Buhay Thomas W. Sappington Emily A. Heaton Jeffrey Bradshaw Michael E. Gray JARRAD R. PRASIFKA JENNIFER E. BUHAY THOMAS W. SAPPINGTON EMILY A. HEATON JEFFREY D. BRADSHAW MICHAEL E. GRAY

Lepidopteran stemborerswere collected from switchgrass, Panicum virgatumL., tillers showing symptoms of infestation at seven locations in Illinois and Iowa, with additional observations made on larval and adult activity. Blastobasis repartella (Dietz) (Coleophoridae), whose only known host is switchgrass, was common in plots grown for 5 yr, whereas the polyphagous stalk borer, Papaipema nebris ...

2007
Archana Vasanthakumar Yasmin Cardoza Italo Delalibera Patrick Schloss Jo Handelsman Kier Klepzig Kenneth Raffa

Bark beetles are known to have complex associations with a variety of microorganisms (Paine and others 1987; Ayres and others 2000; Six and Klepzig 2004). However, most of our knowledge involves fungi, particularly external species. In contrast, we know very little about their associations with bacterial gut symbionts (Bridges 1981). Similarly, work with wood colonizing insects such as termites...

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