نتایج جستجو برای: composite column

تعداد نتایج: 194888  

Journal: :Journal of Asian Architecture and Building Engineering 2020

Journal: :DEStech Transactions on Environment, Energy and Earth Science 2016

Journal: :PVLDB 2012
Alexander Hall Olaf Bachmann Robert Büssow Silviu Ganceanu Marc Nunkesser

Column-oriented database systems have been a real game changer for the industry in recent years. Highly tuned and performant systems have evolved that provide users with the possibility of answering ad hoc queries over large datasets in an interactive manner. In this paper we present the column-oriented datastore developed as one of the central components of PowerDrill. It combines the advantag...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2004

2017
Peizhen Li Shutong Liu Zheng Lu

Abstract: Polyurethane-steel sandwich structure, which creatively uses the polyurethane-steel sandwich composite as a structural material, is proposed to strengthen the impact resistance of buildings under debris flow. The impact resistance of polyurethane-steel sandwich structure under debris flow is investigated by a series of impact loading tests, compared with that of traditional steel fram...

Journal: :Chirality 2001
E Smet L Staelens Y Vander Heyden W R Baeyens H Y Aboul-Enein G van der Weken A M García-Campaña

The enantiomeric separation of some nonsteroidal antiinflammatory drugs was investigated on an avidin column. An experimental design approach (central composite design) was used to evaluate the effects of three method parameters (pH, concentration of organic modifier, and buffer concentration) on the analysis time and the resolution, as well as to model these responses. This revealed that the o...

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