The Chemical Resistance of Engineering Materials

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Chemical catalog Company, Incorporated, 1923 - Chemical engineering - 267 pages
 

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Page 195 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Page 192 - C.) to the weight of an equal volume of distilled water at the same temperature, both weights being corrected for the buoyancy of air.
Page 195 - DIVISIONS OF THE CIRCLE. 60 Seconds = 1 Minute. 60 Minutes = 1 Degree. 30 Degrees = 1 Sign. 90 Degrees = 1 Quadrant. 360 Degrees, or 12 Signs = 1 Circumference. Formerly the subdivisions were carried on by sixties ; thus, the second was divided into 60 thirds, the third into 60 fourths, &c.
Page 195 - ЗОЯ square yards — 1 square rod or perch ; 40 square rods — 1 rood ; 4 roods — 1 acre ; 640 acres — 1 square mile ; 36 square miles (6 miles square) — 1 township. Time Measure: 60 seconds — 1 minute ; 60 minutes— 1 hour; 24 hours— 1 day; 7 days— 1 week ; 365 days — 1 year; 360 days =• 1 leap year.
Page 195 - Measure 1728 cubic inches 1 cubic foot 27 cubic feet 1 cubic yard Dry Measure 2 pints 1 quart 8 quarts 1 peck 4 pecks 1 bushel Liquid Measure 4 gills 1 pint 2 pints 1 quart 4 quarts 1 gallon 31 У2 gallons 1 barrel 2 barrels 1 hogshead Long Measure 12 inches 1 foot 3 feet...
Page 194 - Copper Cu 63.57 Dysprosium Dy 162.5 Erbium Er 167.7 Europium Eu 152.0 Fluorine F 19.0 Gadolinium Gd 157.3 Gallium Ga 69.9 Germanium Ge 72.5 Glucinum Gl 9.1 Gold Au 197.2 Helium He 4.00 Holmium Ho 163.5 Hydrogen H 1.008 Indium In 114.8 Iodine I 126.92 Iridium Ir...
Page 215 - Specific Gravity determinations were made at 60 F., compared with water at 60 F. From the Specific Gravities the corresponding degrees Baume were calculated by the following formula: 1ЛК Baume = 145 - -
Page 195 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Page 194 - S 32.06 Tantalum Ta 181.5 Tellurium Te 127.5 Terbium Tb 159.2 Thallium Tl 204.0 Thorium Th 232.4 Thulium Tm 168.5 Tin Sn 118.7 Titanium Ti 48.1 Tungsten W 184.0 Uranium U 238.2 Vanadium V 51.0 Xenon Xe 130.2 Ytterbium (Neoytterbium) Yb 173.5 Yttrium Y 88.7 Zinc Zn 65.37 Zirconium . .Zr 90.6 DOMESTIC WEIGHTS AND MEASURES Apothecaries...
Page 94 - ... 1. All concrete which is not water-proofed in some way is more or less porous to water and brine. 2. Brine readily softens the surface of concrete and, therefore, more easily penetrates to the reinforcements, on which it exerts a disintegrating action that, owing to the attendant expansion, gradually weakens the concrete, causing it to crack and split, and in some cases to fall away from the reinforcements. 3. The more porous the concrete, the more rapid the disintegration of the reinforcements...

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