To obtain such positron microbeam, it is necessary to use objective lenses, which are commonly used in the electron microscopy. We also attempted to form the positron microbeam using a positron beam for the positron diffraction experiment and a SEM optics [6]; [7] ; [8].
Publicly Traded Companies that Benefited from Forced or Slave Labor, 1929-1945 CalPERS
forced labour (. 5.5 million (26 %) are below 18 years. The number of victims per thousand inhabitants is highest in the central and south-eastern Europe and Africa regions at 4.2 and 4.0 per 1,000 inhabitants respectively. It is the lowest in the Developed Economies and European Union at 1.5 per 1,000 inhabitants.