Minutes of Proceedings of the Institution of Civil Engineers, Band 127The Institution, 1897 Vols. 39-204 (1874/75-1916/17) have a section 3 containing "Abstracts of papers in foreign transactions and periodicals" (title varies); issued separately, 1919-37, as the institution's Engineering abstracts from the current periodical literature of engineering and applied science, published outside the United Kingdom. |
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Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acetylene angle apparatus Argand burner Author average bascules Beattock Summit benzene benzol boilers bolts Brooklyn C.E. VOL candles carbon carburetted carburettor carried cent centre coal coal-gas coke colliery columns connected construction cost cubic centimetre cubic feet curves cylinder depth diagrams effect efficiency elevated railways employed engines enriching equation experiments filter filtered water filtration gallon heat hour illuminating power increased Indicator Diagrams Institution iron length light load London lower method metres miles millimetres Minutes of Proceedings number of bacteria obtained ordinary Paper passed piers piston placed Plate present pressure Proceedings Inst purification quantity rails removed revolutions per minute river sand screen sewage shown side span specific gravity speed square inch stations steam stress superheated superheater surface temperature thickness tion tippler tons Tower Bridge traffic trains transverse girders trucks vapour vertical water-gas weight wire
Beliebte Passagen
Seite 26 - I HOLD every man a debtor to his profession; from the which, as men of course do seek to receive countenance and profit, so ought they of duty to endeavour themselves, by way of amends, to be a help and ornament thereunto.
Seite 357 - In this lecture he first advanced the doctrine of the mutual convertibility of the various natural forces, heat, electricity, &c., and of their being all modes of motion. This doctrine is further developed in his famous essay '" On the Correlation of Physical Forces...
Seite 111 - ... 13. Filters shall be constructed throughout in such a way as to insure the equal action of every part of their area. § 14. The sides and bottoms of filters must be made water-tight, and special pains must be taken to avoid the danger of passages or loose places through which the unfiltered water on the filter might find its way to the filtered-water channels.
Seite 110 - ... (7) Every single filter must be so built that, when an inferior effluent results which does not conform to the standard, it can be disconnected from the pure water pipes, and the filtrate allowed to run to waste. This wasting should as a rule take place, so far as the arrangement of the works will permit, — (1) immediately after scraping a filter ; and (2) after replacing the sand to the original depth. The superintendent must himself judge, from previous experience acquired by the continual...
Seite 110 - The filtrate must be as clear as possible, and in regard to colour, taste, temperature and chemical composition, must be no worse than the raw water. (2.) To allow of a complete and constant control of the bacterial efficiency of filtration the filtrate from each single filter must be examined daily. Any sudden increase in the number of bacteria...
Seite 111 - ... should be removed before bringing on the new sand. (16) Every city in the German Empire using sand-filtered water is required to make a quarterly report of its working results, especially of the bacterial character of the water before and after filtration, to the Imperial Board of Health. (17) The question as to the...
Seite 111 - The velocity of filtration in each single filter shall be capable of being arranged to give the most favorable results, and shall be as regular as possible, quite free from sudden changes or interruptions. On this account reservoirs must be provided large enough to balance the hourly fluctuation in the consumption of water.
Seite 110 - ... worse than the raw water. 2. To allow of a complete and constant control of the bacterial efficiency of filtration, the filtrate from each single filter must be examined daily. Any sudden increase in the number of bacteria should cause a suspicion of some unusual disturbance in the filter, aud should make the superintendent more attentive to the possible causes of it.
Seite 26 - ... should be reserved for 1895 and 1896 to show so many practical vehicles. One would have thought that the force of invention, backed by public opinion, would have been sufficient before now to have compelled an alteration of the ridiculous regulations of the Acts of Parliament now happily repealed. Without for one moment decrying the status of the able engineers who exercised their craft prior to 1837, I think it may be said that the Queen's reign has, practically speaking, witnessed the birth...
Seite 110 - ... of the waterworks. 6. When the effluent from a filter does not correspond with the hygienic requirements it must not be used, unless the cause of the unsatisfactory working has already been removed during the period covered by the bacterial examinations. In case a filter, for more than a very short time, yields a poor ellluent, it is not to be used until the cause of the trouble is found and corrected.