نتایج جستجو برای: grade control structures
تعداد نتایج: 1887866 فیلتر نتایج به سال:
The high sulfidation epithermal gold deposit El Guanaco is located in the Palaeocene-Lower Eocene metallogenic belt Antofagasta Region, northern Chile, 215 km SE of city. characterized by a system sub-parallel ledges made vuggy silica and quartz enargite veins. In Cachinalito sector, on north western side ore deposit, has discontinuous linear morphology, with general ENE-OSO orientation, consis...
In this paper the application of control theory to structural engineering has been presented from a structural engineering perspective. The objective of this paper is to summarize key steps that are required to design an active control system for a structure. Total acceleration feedback with H2/LQG controller is used in this paper. The structural control device is made of tendon/pulley system. ...
In recent years a large large amount of work on the active control of the flexible structures has been done. The concrete engineering problems that motivate this study come from very different fields: aerospace, structures, meteorology, nanotechnology, etc. An overview can be found in the book of Fuller, Elliot and Nelson [5]. The problem of active vibration control (AVC) can be set in the fram...
PURPOSE To investigate morphologic alterations in the limbal palisades of Vogt in a progressive form of limbal stem cell deficiency. METHODS Twenty Norwegian subjects (40 eyes) with congenital aniridia and 9 healthy family members (18 eyes) without aniridia were examined. Clinical grade of aniridia-related keratopathy (ARK) was assessed by slit-lamp biomicroscopy, and tear production and qual...
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