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도서 If the rectangular notch is to be made wide enough to allow the water to pass in...에 대해 검색한 18개 도서 중 1 - 10
" If the rectangular notch is to be made wide enough to allow the water to pass in flood times, it must be so wide that for long periods, in moderately dry weather, the water flows so shallow over its crest, that its indications cannot be relied on. "
Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art - 56 페이지
저자: David Ames Wells, Samuel Kneeland, John Trowbridge, Charles Robert Cross, William Ripley Nichols, George Bliss - 1860
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Report

British Association for the Advancement of Science - 1859
...application in practice, are for many purposes suitable and convenient. They are, however, but ill adapted for the measurement of very variable quantities of...moderately dry weather, the water flows so shallow over its crest that its indications cannot be relied on. To remove, in some degree, this objection, gauges for...
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Hydraulic tables ... for finding the discharge of water from orifices [&c.].

John Neville (civil engineer.) - 1860
...application in practice, are for many purposes suitable and convenient. They are, however, but ill adapted for the measurement of very variable quantities of...moderately dry weather, the water flows so shallow over its crest, that its indications cannot be relied on. To remove, in some degree, this objection, gauges...
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Hydraulic Tables, Coefficients & Formulae: For Finding the Discharge of ...

John Neville - 1861 - 455 페이지
...application in practice, are for many purposes suitable and convenient. They are, however, but ill adapted for the measurement of very variable quantities of...moderately dry weather, the water flows so shallow over its crest, that its indications cannot be relied on. To remove, in some degree, this objection, gauges...
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Report of the Annual Meeting, 31권

British Association for the Advancement of Science. Meeting - 1862
...ordinary rectangular notches, although for many purposes suitable and convenient, are but ill adapted for the measurement of very variable quantities of...to the engineer to be gauged in rivers and streams ; because, if the rectangular notch be made wide enough to allow the water to pass through it in flood...
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Report of the Annual Meeting, 31권

British Association for the Advancement of Science - 1862
...ordinary rectangular notches, although for many purposes suitable and convenient, are but ill adapted for the measurement of very variable quantities of...to the engineer to be gauged in rivers and streams ; because, if the rectangular notch be made wide enough to allow the water to pass through it in flood...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art ...

1867
...vertical plates for the gauging of running water, instead of the rectangular notches in ordinary use. The ordinary rectangular notches, accurately experimented...moderately dry weather, the water flows so shallow over its crest, that its indications cannot be relied on. To remove in some degree this objection, gauges for...
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The practice of engineering field work, applied to land, hydrographic ..., 2권

William Davis Haskoll - 1868
...application in practice, are for many purposes suitable and convenient. They are, however, but ill adapted for the measurement of very variable quantities of...in rivers and streams. If the rectangular notch is made wide enough to allow the water to pass in flood times, it must be so wide that for long periods,...
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Land and marine surveying

William Davis Haskoll - 1868 - 184 페이지
...practice. For many purposes they are both suitable and convenient. They are, however, but ill adapted for the measurement of very variable quantities of water, such as commonly occur in gauging small or moderately sized streams ; this is particularly the case with streams flowing through...
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Annual of Scientific Discovery: Or, Year-book of Facts in Science and Art

David Ames Wells, Samuel Kneeland, John Trowbridge, Charles Robert Cross, William Ripley Nichols, George Bliss - 1860
...vertical plates for the gauging of running water, instead of the rectangular notches in ordinary use. The ordinary rectangular notches, accurately experimented...moderately dry weather, the water flows so shallow over its crest, that its indications cannot be relied on. To remove in some degree this objection, gauges for...
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The Construction of Mill Dams: Comprising Also the Building of Race and ...

1874 - 336 페이지
...notch in such cases is that if it is made wide enough to allow the water to pass in time of flood, it must be so wide that for long periods, in moderately dry weather, the water flows so shallow over its crest that its indications cannot be relied on. Accordingly, it is proposed to make the triangular...
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