Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers, Volum 68American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers The Institute, 1923 Some vols., 1920-1949, contain collections of papers according to subject. |
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Populære avsnitt
Side 190 - Lang's lay rope, both the wires in the strands and the strands in the rope are twisted in the same direction. Such a rope is more easily untwisted than one made in the ordinary or "regular-lay...
Side 625 - ... and strains is causing weariness without advancing the solution of the problem. The tendency of late has been to abandon the safer road of experimental facts and to enter the maze of excessive speculations, in which there is great danger of some becoming hopelessly lost.
Side 1137 - ... value, accurately ascertainable or definitely known as at the date of conveyance, clearly and substantially in excess of the cash or the par value of the stock or shares paid therefor, then the amount of the excess shall be deemed to be paid in surplus.
Side 1138 - When tangible property may be included in surplus. — Where It can be shown by evidence satisfactory to the Commissioner of Internal Revenue that tangible property has been conveyed to a corporation or partnership by gift or at a value, accurately...
Side 1146 - ... distinctions conferred upon him. This will supply the deficiencies of the sketch which I hastily prepared for the John Fritz Medal Book. But I must say here at least so much as will indicate the peculiarly fitting endowment and environment by which this life and its work were determined and perfected. Henry Marion Howe was born March 2, 1848, at Boston, Mass. His father was Dr. Samuel G. Howe, famous for his service to Greece in her war for independence (from 1824 to 1830) and later for his labors...
Side 174 - ... per cent, of the total number of wires composing the. rope, or when the wires on the crown of the strands are worn down to less than one-half their original diameter, or when the superficial inspection provided for in this section shows marked signs of corrosion.
Side 174 - That when such broken wires are reduced by wear more than 30 percent in cross section, the number of breaks in any lay of the rope shall not exceed three.
Side 960 - ... administered and is plotted as a function of the log of the dose. Regression lines were fitted to the data by the method of least squares; the equation...
Side 174 - It shall be unlawful to use any rope or cable for the raising or lowering of men, either when the number of breaks in any running foot of said rope exceeds ten per cent, of the total number of wires composing the.
Side 625 - It would seem as if the methods used to date for the elucidation of this complex problem have yielded all they are capable of yielding and that further straining of these methods will only serve to confuse the issue, a point having been reached when this juggling, no matter how skilfully done, with allotropy, solid solutions and strains is causing weariness without advancing the solution of the problem.