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14. Many flying balloons are reported to have been observed in the air. 15. The building of the house is reported to be finished by the end of this month. 16. The author of the paper claims to have been the first to arrive at such a conclusion. 17. Such minerals are likely to occur in some other places as well, the probability of discovering them being however limited to certain areas. 18. The signal cannot be guaranteed to be of sufficient amplitude. 19. When man is heated to an unusual degree, a marked va-sodilatation takes place over and above that which is normally observed. 20. For a system to be in complete equilibrium, it is necessary that there be mechanical equilibrium. 21. This substance reacts one tenth as fast as the other one. 22. This pause is sufficient for the baskets to receive their load of castings from the oscillating conveyer. 23. The coefficients in the Fokker-Planck equation are found to depend on the law of interaction. 24. The two types of models considered are not supposed to be applicable to all metals. They do represent extreme cases. Other models would be more complicated, but could be handled by similar methods, the greatest complication deriving from the collision term. 25. In their treatments, the electric field is assumed to be classically prescribed, although the electronic motion in the gas is treated by quantum perturbation theory. 26. From the equations all but one of the unknown functions can be eliminated by successive substitutions. 27. The suggestion is both attractive and interesting but the work is not sufficiently advanced for any definite opinion of its validity to be formed. 525
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