نتایج جستجو برای: six

تعداد نتایج: 310474  

2011
Caroline J Robinson

“I must admit before I did honours I thought you’d either be a researcher or you’d be a clinical podiatrist, but now that I’ve done both......well basically you need to be keeping up with your research so you know what to do clinically, so it’s all intertwined” (Rachel)*. How do you view yourself as an allied health professional a clinical practitioner with no time for research, or a researcher...

1996
Z. Sekanina

The results fromstudies ofD/Shoemaker–Levy9 and other recent split comets and comet pairs lead to the recognition of fundamental differences between breakupproducts of the tidally and the nontidally split comets and to the conclusive identification of the so-called dissipating comets as secondary nuclei of previously split comets, whose separately arriving principal nuclei had in most cases bee...

2008
Boris Peter Selby Georgios Sakas Stefan Walter Wolf-Dieter Groch Uwe Stilla

Particle beam treatment allows accurate dose delivery onto carcinogen tissue. The reachable accuracy is limited by patient alignment errors relative to the beam source. Errors can be corrected manually or by automatic comparison of two X-ray images to a CT-scan but correction mostly does not cover all degrees of freedom (DoF). In this contribution we present a solution that makes use of one X-r...

1999
Anushree Roy Chiung-Yuan Lin

We report an improved precision measurement of the Casimir force. The force is measured between a large Al coated sphere and flat plate using an Atomic Force Microscope. The primary experimental improvements include the use of smoother metal coatings, reduced noise, lower systematic errors and independent measurement of surface separations. Also the complete dielectric spectrum of the metal is ...

2014
Ningxin Xie Guoqiu Wen Zhaowen Li

A method based on grey relational analysis and D-S theory of evidence is proposed for fuzzy soft sets in decision making. Firstly, grey relational analysis is used to calculate grey mean relational degrees and determine uncertain degrees of parameters. Then based on uncertain degrees, suitable mass functions of different independent alternatives with different parameters can be constructed. Nex...

2002
J. N. Hallock US DOT Volpe C. Tung S. Sampath George Donohue

Aircraft wake vortices can pose a threat, especially in the terminal environment where aircraft operate in close proximity. Vortex separation standards preclude hazardous encounters, but are oftentimes very conservative. A key to increasing airport capacity is to know when vortices are not a hazard so that aircraft can land and take off with closer intervals. A conference was held in London to ...

2007
Iman Ebrahimi Juan A. Carretero Roger Boudreau

In this work, the 3-RPRR, a new kinematically redundant planar parallel manipulator with six degrees of freedom, is presented. First the manipulator is introduced and its inverse displacement problem discussed. Then, all types of the singularities of the 3-RPRR manipulator are analysed and demonstrated. Thereafter, the reachable and dexterous workspaces are obtained and compared with those of t...

2008
S. Barry Cooper Matthew C. Salts Guohua Wu

The existence of isolated degrees was proved by Cooper and Yi in 1995 in [6], where a d.c.e. degree d is isolated by a c.e. degree a if a < d is the greatest c.e. degree below d. A computably enumerable degree c is non-isolating if no d.c.e. degree above c is isolated by c. Obviously, 0 is a non-isolating degree. Cooper and Yi asked in [6] whether there is a nonzero non-isolating degree. Arslan...

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