History of Induction Heating and Melting
... melting furnaces with 150-250 Hz . Therefore , we need to take into account technical , economical and even social situations when considering development of power sources for induction heating . In general ... MELTING 117 AND MELTING.
Melting-Pot Modernism
... melting-pot topics, and represent a rich vein of melting-pot writing, sociological materials are no more likely to produce perfect internal agreement, or consistency, than are autobiographical or fictional texts. Here and elsewhere in ...
Iron Melting Cupola Furnaces for the Small Foundry
... melting , and the preheating areas . The well is at the bottom of the cupola . It stores the liquid iron until the ... melting zone is the area from the top of the coke bed to where the iron actually melts . The melting zone is ...
The Melting of Molly
... made me realize that he had always been like that , and I told myself that there was no reason in the world why my heart should beat in my slippers on that account . Still I don't see why Ruth 132 THE MELTING OF MOLLY.
Journal of the Chemical Society
... melting at 60 ° is obtained . This shows that the dinitrobenzoic acid melting at 204 ° , which is the chief product of the nitration of mono- metanitrobenzoic acid , has the two nitro - groups in the meta - position relatively to each ...
Lubrication and Lubricants
... melting - points of fats and fatty acids may be pro- foundly modified by previous heating of the melted substance . Thus , Clague found that the melting - point of cacao - butter , originally 75 ° F. , was raised to 86 ° F. by keeping ...
A dictionary of chemistry and the allied branches of other sciences
... melting and solidifying points required . Influence of Pressure upon Melting Points . The variations which occur in the pres- sure of the atmosphere are without perceptible effect in altering the melting points of solids or freezing ...
Journal of the Society of Chemical Industry
... melting and washing . For a second operation with 400 grms . of toluene , the waste dinitro acid ( 155 ° Tw ... melting at 129 ° C. On treatment with nitric acid , it forms a mono- and a dinitro product , the former ( reddish ...
Perfumery and Essential Oil Record
... melting point due to small quantities of impurities . From tests at our research laboratories it appears that the melting point of 156 ° to 157 ° C. quoted in the B.P. and commonly accepted is considerably too low , and the true melting ...
Chemical News and Journal of Industrial Science
... melting at 148 ° . It has the composition C16H26O2 , is believed to be 1 : 1 ' - dihydroxy - 5.5 : 5 ' : 5 ' - tetramethyl - 12 : 2 ' - dicyclohexene ( X. ) , and owes its origin to pinacone formation . Moreover , its behaviour is quite ...
Theoretical and Physical Chemistry
... melting point . Now suppose the nature of the sub- stance is such that its vapor pres- 94 - M sure is very high , so high that the horizontal NN corresponds to 760 mm . The curve DB cuts this hori- M R B H V N A- D t . Fig . 39 ...
Spitsbergen Papers
... melting for eleven days of .32 meters , or about 1 foot . During the investigations of 1921 , I only measured the rate of melting on the surface of the Nordenskiöld Glacier for eleven days ( July 30 - August 10 , 1921 ) of bright ...
Journal of the Indian Institute of Science
... melting at 123 ° when boiled for three hours with alcoholic potash ( 2 molecules ) gives a 70 per cent . yield of the crude acetylenic acid melting and decomposing at 129-134 ° . After crystallisation from chloroform the pure acid melting ...
Chemical Abstracts
... melting point than the compound ; the same may be true of PbS . The melting point of these sulphides is not sharply defined but extends through a long interval of temperature . W. S. LANDIS . Zinc Sulphide as a Constituent of Mattes . K ...
Bulletin of the American Institute of Mining Engineers
... melting - point can be determined within a few degrees if the heating - rate be properly adjusted , other melting - points , such as that of the eutectic , are obscured . Greater accuracy is obtained if the furnace is operated to ...
Annual Report
... melting sub - acid . half open .... greenish white buttery sweet . inch shallow , even .. open white melting , juicy sub - acid . 10 S inch thick small , wrinkled ... partly closed white juicy , melting sub - acid . 11 S 2 inches ...
Proceedings of the Chemical Society
... melting at 106.5 ° . aß - Dichloronaphthalenes . ( 4. ) 1 : 2 - Dichloronaphthalene is found to yield a mixture of ... melting at 104 ° ; the amide crystal- lises from alcohol in tufts of small , slender needles and melts at 217 ...
Spitsbergen Papers ...
... melting for eleven days of .32 meters , or about 1 foot . During the investigations of 1921 , I only measured the rate of melting on the surface of the Nordenskiöld Glacier for eleven days ( July 30 - August 10 , 1921 ) of bright ...
Smithsonian Miscellaneous Collections
... Melting 1455 ± 5 CaAl2O4 35.4 64.6 Melting 1600 ± 5 Ca3 Al10018 24.8 75.2 Melting 1720 + 10 Al2SiO5 62.8 37.1 Melting 181610 CaAl2Si2O8 20.1 36.6 43-3 Melting 15502 Ca2Al2SiO7 40.8 37.2 22.0 Melting 1590 ± 2 CagAl2SiO8 50.9 30.9 18.2 ...
Journal of the Royal Netherlands Chemical Society
... melting points makes its appearance . The melting points of compounds derived from primary aliphatic amines with a normal carbon chain and 1 - chloro - 2 : 4 - dinitronaphth- alene and 1 - chloro - 2 : 4 : 5 - trinitronaphthalene form a ...