National Bureau of Standards Circular, Τεύχη 569-5751956 |
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Σελίδα 3
... avoirdupois pound , the word avoirdupois meaning " goods of weight . " The idea of a pound divided into 16 parts was not a new one , as the Greeks had divided their pound into 16 parts , as well as into 12 parts . The pound , which in ...
... avoirdupois pound , the word avoirdupois meaning " goods of weight . " The idea of a pound divided into 16 parts was not a new one , as the Greeks had divided their pound into 16 parts , as well as into 12 parts . The pound , which in ...
Σελίδα 6
... avoirdupois ounce of water at 62 ° F has a volume of 1 fluid ounce , because 10 pounds is equivalent to 160 avoirdupois ounces , and 1 gallon is equivalent to 4 quarts , or 160 fluid ounces . This convenient relation does not exist in ...
... avoirdupois ounce of water at 62 ° F has a volume of 1 fluid ounce , because 10 pounds is equivalent to 160 avoirdupois ounces , and 1 gallon is equivalent to 4 quarts , or 160 fluid ounces . This convenient relation does not exist in ...
Σελίδα 11
... avoirdupois pound has been defined in terms of the United States Prototype Kilogram 20 by the relation : 1 avoirdupois pound = 0.453 592 427 7 kilogram . Insofar as can be determined , these changes in definition have not made any ...
... avoirdupois pound has been defined in terms of the United States Prototype Kilogram 20 by the relation : 1 avoirdupois pound = 0.453 592 427 7 kilogram . Insofar as can be determined , these changes in definition have not made any ...
Σελίδα 19
... AVOIRDUPOIS WEIGHT d [ The " grain " is the same in avoirdupois , troy , and apothecaries weight . ] 27 11/32 grains 16 drams 16 ounces 100 pounds = 1 dram ( dr ) . = 1 ounce ( oz ) = 4371⁄2 grains . - = 1 pound ( lb ) = 256 drams = 7 ...
... AVOIRDUPOIS WEIGHT d [ The " grain " is the same in avoirdupois , troy , and apothecaries weight . ] 27 11/32 grains 16 drams 16 ounces 100 pounds = 1 dram ( dr ) . = 1 ounce ( oz ) = 4371⁄2 grains . - = 1 pound ( lb ) = 256 drams = 7 ...
Σελίδα 20
... avoirdupois pounds of water under specified conditions . and the Imperial bushel is defined as 8 Imperial gallons . Also , the subdivision of the Imperial gallon as presented in the table of British apothecaries fluid measure differs in ...
... avoirdupois pounds of water under specified conditions . and the Imperial bushel is defined as 8 Imperial gallons . Also , the subdivision of the Imperial gallon as presented in the table of British apothecaries fluid measure differs in ...
Συχνά εμφανιζόμενοι όροι και φράσεις
accuracy amplitude apothecaries apparatus applied avoirdupois pound balance Biol Bremmer British Bureau of Standards calibration CALIFORNIA LIBRARY centimeter Ceram Chem coefficient computed constants cubic inches d(miles decibels density elastic electron feet field FIGURE fluid drams fluid ounces fluid scruple frequencies fused quartz fused silica gallon geodetic Glass Technol Government Printing Office graduated ground wave Inst intervals invar isotopes kc f kilogram laboratory line standards long ton mathematics methods metric system microbalance microseconds millimeters MISCELLANEOUS PUBLICATION mmmmm National Bureau nitrogen ooooo phase Phys physical Plane Earth Theory precision Proc Prototype Meter radians radio propagation Research secondary factor silica fibers Spherical Earth Theory square Standards Circular standards of length statute miles steel tapes surface tables temperature tion tonnage troy troy pound U. S. Government Printing units UNIVERSITY OF CALIFORNIA values velocity viscosity volts per meter Washington 25 weights and measures wwwww yard
Δημοφιλή αποσπάσματα
Σελίδα 18 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 20 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.
Σελίδα 18 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu.
Σελίδα 21 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 29 - Used in assaying. The assay ton bears the same relation to the milligram that a ton of 2,000 pounds avoirdupois bears to the ounce troy; hence the weight in milligrams of precious metal obtained from one assay ton of ore gives directly the number of troy ounces to the net ton.
Σελίδα 12 - When an equal-arm balance is used to compare an object with standards of mass ("weights"), the effects of variations in the acceleration of gravity are self-eliminating and need not be taken into account, but the apparent mass of the object is slightly different from the true mass because of the buoyant effects of the surrounding air. Mass can then be computed from apparent mass by applying a correction for air buoyancy. When a spring balance is used, an additional correction accounting for the local...
Σελίδα 4 - The essential features of the system were embodied in a report made to the French National Assembly by the Academy of Sciences in 1791. A number of other nations were invited to cooperate with France in establishing the new system, and Holland, Denmark...
Σελίδα 18 - LIQUID MEASURE When necessary to distinguish the liquid pint or quart from the dry pint or quart, the word "liquid" or the abbreviation "liq" should be used in combination with the name or abbreviation of the liquid unit.