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    Software name: 北京太阳城公棚
    Software type: Microsoft Framwork

    Software size : 968 MB

    soft time:2021-02-26 02:44:45

    software uesing

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      In the end these stories of the soldiers convinced even the inhabitants that there had been francs-tireurs, but never in the place where they lived, always somewhere else. They could not believe that the Germans could be so cruel and wreck so much property if nothing at all had happened; and when at length the time came that they themselves were obliged to fly, many of them believed that their compatriots who elsewhere acted as francs-tireurs were to blame for all the dire calamities. But if they had had my opportunity to go "elsewhere" and gather information there, they would have been convinced of the untruth, and probably would have heard the name of their own village as90 the scene of the occurrence. That was how rumours and reports got about."From Louvain!"No one has been able to explain clearly why a sudden change of temperature hardens steel, nor why it assumes various shades of colour at different degrees of hardness; we only know the fact, and that steel fortunately has such properties.

      By refusing to pay at cafés and shops the military already expressed their dissatisfaction. Then on Thursday, August 20th, about six in the evening, after a great many troops had crossed the river by the pontoon bridge, a shot was heard which seemed the sign for a terrible fusillade. Guns seemed to have been mounted at convenient places outside151 the town, for shells exploded right at its centre. The troops did no longer cross the bridge, but spread themselves in a disorderly manner all over the town, constantly shooting at the windows. Even mitrailleuses were brought into action. Those of the inhabitants who could fly did so, but many were killed in the streets and others perished by bullets entering the houses through the windows. Many others were shot in the cellars, for the soldiers forced their way in, in order to loot the bottles of wine and to swallow their fill of liquor, with the result that very soon the whole garrison was a tipsy mob.Questions and answers constitute the principal medium for acquiring technical information, and engineering apprentices should carefully study the philosophy of questions and answers, just as he does the principles of machinery. Without the art of questioning but slow progress will be made in learning shop manipulation. A proper question is one which the person asked will understand, and the answer be understood when it is given; not an easy rule, but a correct one. The main point is to consider questions before they are asked; make them relevant to the work in hand, and not too many. To ask frequent questions, is to convey an impression that the answers are not considered, an inference which is certainly a fair one, if the questions relate to a subject demanding some consideration. If a man is asked one minute what diametrical pitch means, and the next minute how much cast iron shrinks in cooling, he is very apt to be disgusted, and think the second question not worth answering.Boring, as distinguished from drilling, consists in turning out annular holes to true dimensions, while the term drilling is applied to perforating or sinking holes in solid material. In boring, tools are guided by axial support independent of the [137] bearing of their edges on the material, while in drilling, the cutting edges are guided and supported mainly from their contact with and bearing on the material drilled.

      I saw some extremely poor people, very old and stiff, to whom walking was nearly impossible. A Bavarian soldier escorted them. He had his rifle slung across his back and in both hands carried the luggage of the unfortunate creatures. He seemed to have come a long way already, for he looked tired, and the perspiration ran down his face. Although it is only natural to assist one's fellow-creatures, this scene touched me, for hitherto I had seen the Germans commit rough, inhuman deeds only.The reasons that favour combination of functions in machines, and the effects that such combinations may produce, are so various that the problem has led to a great diversity of opinions and practice among both those who construct and even those who employ machines. It may be said, too, that a great share of the combinations found in machines, such as those to turn [68], mill, bore, slot, and drill in iron fitting, are not due to any deliberate plan on the part of the makers, so much as to an opinion that such machines represent a double or increased capacity. So far has combination in machines been carried, that in one case that came under the writer's notice, a machine was arranged to perform nearly every operation required in finishing the parts of machinery; completely organised, and displaying a high order of mechanical ability in design and arrangement, but practically of no more value than a single machine tool, because but one operation at a time could be performed.


      "I am...."


      The life of George Stephenson proves that notwithstanding the novelty and great importance of his improvements in steam transit, he did not "discover" these improvements. He did not discover that a floating embankment would carry a railway across Chat Moss, neither did he discover that the friction between the wheels of a locomotive and the rails would enable a train to be drawn by tractive power alone. Everything connected with his novel history shows that all of his improvements were founded upon a method of reasoning from principles and generally inductively. To say that he "discovered" our railway system, according to the ordinary construction of the term, would be to detract from his hard and well-earned reputation, and place him among a class of fortunate schemers, who can claim no place in the history of legitimate engineering."August 22nd, 1914.That was a relief! I began to translate, taking the liberties to which every translator is entitled. And I succeeded in making a favourable impression by censoring my own manuscript.

      "Where then is Visé?"Was the gun I had seen there one of the notorious forty-two centimetre monsters? I should not like to wager my head in affirming that. It was an inordinately unwieldy and heavy piece of ordnance, but during the first days of the war nothing or very little had yet been said or written about these forty-two's, and I did not pay sufficient attention to the one I saw. Only after the fall of Loncin did all those articles about the forty-two's appear in the papers, and the Germans certainly asserted that they destroyed Loncin by means of such a cannon.Another peculiar feature in trip-hammers is the rapidity with which crystallisation takes place in the attachments for holding the die blocks to the helves, where no elastic medium can be interposed to break the concussion of the dies. Bolts to pass through the helve, although made from the most fibrous Swedish iron, will on some kinds of work not last for more than ten days' use, and often break in a single day. The safest mode of attaching die blocks, and the one most common, is to forge them solid, with an eye or a band to surround the end of the helve.


      "Von Buelow."There was a continuous coming and going at the bridge-command, for when I left the shrubberies a great many soldiers of high and low rank, with portfolios and documents, were waiting outside. The soldiers were to escort me back across the bridge, so that I might go on to Visé along the other bank.

      At seven o'clock in the morning I was taken to the commanding officer, and was glad to see him again. He jumped up immediately and came to me with a charming smile, when I pointed to my escort and explained that I was a prisoner.

      Opposed to the maintenance of standard dimensions are the variations in size due to temperature. This difficulty applies alike to gauging implements and to parts that are to be tested; yet in this, as in nearly every phenomenon connected with matter, we have succeeded in turning it to some useful purpose. Bands of iron, such as the tires of wheels when heated, can be 'shrunk' on, and a compressive force and security attained, which would be impossible by forcing the parts together both at the same temperature. Shrinking has, however, been almost entirely abandoned for such joints as can be accurately fitted.5. Hydraulic machinery comes nearest to filling the required conditions in handling material, and should be employed in cases where the work is tolerably uniform, and the amount of handling will justify the outlay required.



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        2021-02-26 02:44:45