نتایج جستجو برای: fast axis plunge estimation
تعداد نتایج: 581004 فیلتر نتایج به سال:
Late Quaternary separation of Britain from mainland Europe is considered to be a consequence of spillover of a large proglacial lake in the Southern North Sea basin. Lake spillover is inferred to have caused breaching of a rock ridge at the Dover Strait, although this hypothesis remains untested. Here we show that opening of the Strait involved at least two major episodes of erosion. Sub-bottom...
This paper describes the design of a flexure-guided, two-axis nanopositioner (scanner) driven by piezoelectric stack actuators. The scanner is specifically designed for high-speed scanning probe microscopy (SPM) applications, such as atomic force microscopy (AFM). A high-speed AFM scanner is an essential component for acquiring high-resolution, three-dimensional, time-lapse images of fast proce...
Assessment of Working Conditions of Grinding Wheels in the Grinding Process of Hard-To-Cut Materials
Abstract This study here by presents a method for comparative assessment of grinding wheels during the grinding process of hard-to-cut materials. The method in question consists of carrying out a short grinding cut in plunge grinding kinematics using grinding wheels with a customized macro-geometry upon the active surface. The work presents examples of this method’s efficacy when applied to the...
OBJECTIVE To assess Australian consumers' perception of portion size of fast-food items and their ability to estimate energy content. DESIGN Cross-sectional computer-based survey. SETTING Australia. SUBJECTS Fast-food consumers (168 male, 324 female) were asked to recall the items eaten at the most recent visit to a fast-food restaurant, rate the prospective satiety and estimate the energ...
Monolithically cascaded one-axis micromirrors driven by angular vertical combs are designed and fabricated. Using "W"-shape ray optics, we demonstrate two-axis scanning covering k6.0' two-dimensional area at resonant modes: 7.5kHz, +I 7V in fast-scanning mirror, 1.2kHz, +7V in slow-scanning mirror. INTRODUCTION Because of their independently controllable scanning directions, cascaded one-axis l...
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