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55. For example for a ground plane, 0.150 by 0.020-inch strip can be substituted for two wires. 56. Figure 2. These yield curves were taken from typical pho-tocathodes rather than from the best which have been produced. 57. It is to be emphasized that these correlations are purely empirical in nature. 58. The amount of light radiated by an atomic bomb is so great that it is beyond our imagination. 59. It is in this respect actually that the theory differs from that discussed above. 60. Among other alloys under investigation are molybdenum-rhenium and niobium-zirconium. 61. The product is affected little by temperature and contributes little to the net effect. 62. It must be remembered, however, that in these specimens a second phase exists whose conscentration might be expected to vary with temperature. 63. It was found that the proportion of iso- to normal paraffins could be estimated with sufficient accuracy for the purpose in view by comparing the respective peak heights in the elution diagrams. 64. The object of heating and ventilating a building is to provide a healthy and pleasant home. 65. Fig. 2 is a chart of present-worth factors for annual income received in a lump sum at the end of each year, the interest being compounded annually. 66. We should take measures to maintain the temperature at the same level during the entire process of decomposition. 67. Cytoxan was found to have limited ability to suppress growth of established human tumors. 68. Only a few of these articles contained descriptions that appear to be similar to the findings in my cases. 69. For a reasonable degree of blackening, however, it is necessary for a total integrated dose of at least 50—100 mr to be received by the film. At the radiation levels here being considered this involves exposure times of 100 hours and upwards for each measurement. 528
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