 515  165. Each diode, as shown in Fig. 13, is supported between two chucks, one being on the end of the center conductor, the other in the center of a four—arm spider, mounted in a dielectric support within the waveguide. 166. Experiments have shown thatisomerization does not take place during the reaction of bromine substitution by lithium, but that it is the organolithium compound which is isomerized after formation. 167. The patience of the ancient forgeman must have been remarkable, since he first made his own steel by a slow process, and lost a good percentage during the process. 168. If no energy were lost during the transformation, the input and output would be equal and the machine would be perfect as it would change the form of the energy and lose none. 169. As we have just noted there was a time when heat was supposed to be a sort of substance or fluid which flowed from a body of high temperature to one of lower temperature. 170. Due to the non-coincidence of the geographic and magnetic poles and to the presence of magnetic materials in the earth, the compass needle does point to the true North in only a few places on the earth's surface. 171. The satellite is in a 70 per cent sun-time orbit with the transmitter assembly located on the sun side of the satellite, normal to the sum vector. This is a transient condition with the satellite receiving direct solar evergy 70 per cent of the time. 172. A small amount of sugar being heated in a test tube, the sugar melts, turns brown in colour, gives off gases and finally dries to a solid black residue which can be identified as carbon. 173. Groups of rabbits were given graded doses of theendoto-xin under test so as to obtain data for calculating the dose required to produce a fever index of 40 cm2, a value which was shown to fall on the linear portion of the doseresponse curve. 174. The newborn elephant and the fallow deer can run with the herd shortly after they are born. By the age of 6 weeks the infant seal has been taught by his mother to navigate his watery world for himself. 515 |
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