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Round-Traction-Assisted Pyeloplasty (Ro.T.A.P.): A Minimal Approach Using Alexis® Autostatic Retractor

Round-Traction-Assisted Pyeloplasty (Ro.T.A.P.): A Minimal Approach Using Alexis® Autostatic Retractor

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Electron Spin and Proton Spin in the Hydrogen and Hydrogen-Like Atomic Systems

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52202#.VIj7tMnQrzE Author(s) Stanisław Olszewski * Affiliation(s) Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland . ABSTRACT The mechanical angular momentum and magnetic moment of the electron and proton spin have been calculated semiclassically with the aid of the uncertainty principle for energy and time. The spin effects of both kinds of the elementary particles can be expressed in terms of similar formulae. The quantization of the spin motion has been done on the basis of the old quantum theory. It gives a quantum number n = 1/2 as the index of the spin state acceptable for both the electron and proton ...
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Incorporation of High-Altitude Balloon Experiment in High School Science Classrooms

High-altitude balloon is a balloon, filled usually with helium or hydrogen that ascends into an area called “near space” or stratosphere. The most common type of high-altitude balloons are weather balloons. Other purposes include use as a platform for experiments in the upper atmosphere. Modern balloons generally contain electronic equipment such as radio transmitters, cameras, or satellite navigation systems, such as GPS receivers. The mission of the High-Altitude Balloon Experiment (HABE) is to acquire supporting data, validate enabling technologies, and resolve critical acquisition, tracking, and pointing (ATP) and fire control issues in support of future space-based precision pointing experiments. The use of high-altitude balloons offers a relatively low-cost, low-vibration test platform, a recoverable and reusable payload, worldwide launch capability, and a 'near- space' emulation of the future space systems operational scenarios. More recently, several university...
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An Empirical Study on Microbial Load and Acidity in Raw Milk Produced in Malayer and Nahavand Cities, Iran 2012

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=49618#.VBk-qVfHRK0 An Empirical Study on Microbial Load and Acidity in Raw Milk Produced in Malayer and Nahavand Cities, Iran 2012 Author(s) Mohammad Rezaei , Ali Asghar Behzadi , Ali Akbar Malekirad , Ahmad Fattahi , Mohamad Hadi Farahzadi , Mohammad Sarmadi , Hasan Mohammadi Aghamirlou , Reza Ali Fallahzadeh Affiliation(s) Department of Food Safety and Hygiene, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran . Department of Food Safety and Hygiene, School of Health, Yazd University of Medical Sciences, Yazd, Iran . Department of Biology, Payame Noor University, Tehran, Iran . Department of Occupational Health Engineering, School of Health, Shahid Sadoughi University of Medical Sci-ences, Yazd, Iran . Department...
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