Science, Volumen51John Michels (Journalist) American Association for the Advancement of Science, 1920 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Página 15
... determined from the number of rattles , some of which are known to have been broken off , and two of the nine or ten remaining are in poor condition . A new rattle is formed with each moulting , a process which has occurred twice during ...
... determined from the number of rattles , some of which are known to have been broken off , and two of the nine or ten remaining are in poor condition . A new rattle is formed with each moulting , a process which has occurred twice during ...
Página 16
... determined by two musicians with a very keen sense of pitch , and checked with accurately tuned forks , is between C and C # ; the tone is expressed , therefore , by about 128 to 135 vibrations per second . Very marked changes in rate ...
... determined by two musicians with a very keen sense of pitch , and checked with accurately tuned forks , is between C and C # ; the tone is expressed , therefore , by about 128 to 135 vibrations per second . Very marked changes in rate ...
Página 18
... determined . LEO LOEB A PRELIMINARY NOTE ON SOIL ACIDITY WHATEVER may be the cause and nature of soil acidity ... determine what changes had occurred , both in the samples and in the percolated water . The results from this work show ...
... determined . LEO LOEB A PRELIMINARY NOTE ON SOIL ACIDITY WHATEVER may be the cause and nature of soil acidity ... determine what changes had occurred , both in the samples and in the percolated water . The results from this work show ...
Página 19
... determined by the so - called Jones2 method ; and that where they leave the neutral line , they may indicate what Sharp3 and Hoagland term " potential acidity " or what Bouyoucos terms " maximum lime requirement . " It is also ...
... determined by the so - called Jones2 method ; and that where they leave the neutral line , they may indicate what Sharp3 and Hoagland term " potential acidity " or what Bouyoucos terms " maximum lime requirement . " It is also ...
Página 22
... determined . Using several popular - priced brands of cigar , cigarette and pipe tobacco , it was found that the smoke coming from a given weight of tobacco varied somewhat , but not very greatly in its poisonous action on frogs . When ...
... determined . Using several popular - priced brands of cigar , cigarette and pipe tobacco , it was found that the smoke coming from a given weight of tobacco varied somewhat , but not very greatly in its poisonous action on frogs . When ...
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Pasajes populares
Página 174 - Survey, and the classification of the public lands and examination of the Geological Structure, mineral resources and products of the national domain...
Página 107 - School, and was graduated from the medical department of the University of Pennsylvania in 1862.
Página 317 - Louis in connection with the meeting of the Department of superintendence of the National education association, February 27-29, 1912.
Página 46 - And if you will venture on a glass of wine, you will find it worthy of one who professes the maxim of King Alphonso of Castile, — Old wood to burn — old books to read— old wine to drink — and old friends, Sir Arthur — ay, Mr. Lovel, and young friends too, to converse with.
Página 30 - Public health is the science and the art of preventing disease, prolonging life, and promoting physical health and efficiency through organized community efforts...
Página 239 - THE Bruce Gold Medal of the Astronomical Society of the Pacific has been awarded to Professor Ernest W. Brown, of Yale University, for " distinguished services to astronomy.
Página 298 - Functions of the Division of Geology and Geography of the National Research Council.
Página 354 - As chairman ( 1934-1935) of the division of anthropology and psychology of the National Research Council, he was able to advance the convergence of interest, which he pioneered, between anthropology and psychiatry.
Página 284 - ... to know the histories of the animals and plants upon which they feed or upon which their food is nourished; the histories of their enemies and friends and the friends and foes...
Página 553 - Papers from the Department of Biometry and Vital Statistics, School of Hygiene and Public Health, Johns Hopkins University, No.