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. |
Dentro del libro
Resultados 1-5 de 96
Página 6
... produce dicotyledonous em- bryos from Monocotyledons at will , or the re- verse . Comparison and inference must be re- placed by experimental control ; just as in the history of organic evolution , the method shifted from comparison and ...
... produce dicotyledonous em- bryos from Monocotyledons at will , or the re- verse . Comparison and inference must be re- placed by experimental control ; just as in the history of organic evolution , the method shifted from comparison and ...
Página 10
... production of new clay products and for general experimental purposes . The report comprises 293 pages and may be obtained as long as free copies are available by addressing the Bureau of Standards , Wash- ington , D. C. NEEDS OF THE ...
... production of new clay products and for general experimental purposes . The report comprises 293 pages and may be obtained as long as free copies are available by addressing the Bureau of Standards , Wash- ington , D. C. NEEDS OF THE ...
Página 20
... production of salvarsan . A chart showing the methods of approaching the mother substance is presented . The reduction process is briefly discussed , followed by a consid- eration of the chemical and physical properties , the toxicology ...
... production of salvarsan . A chart showing the methods of approaching the mother substance is presented . The reduction process is briefly discussed , followed by a consid- eration of the chemical and physical properties , the toxicology ...
Página 25
... production of artificial im- munity against attacks of the microbes of dis- ease has proved on the whole more effective than our attempts at breaking the chain of contagion by isolation and disinfection . Smallpox , for example , has ...
... production of artificial im- munity against attacks of the microbes of dis- ease has proved on the whole more effective than our attempts at breaking the chain of contagion by isolation and disinfection . Smallpox , for example , has ...
Página 38
... Production has formulated a valuable set of standard methods for the conduct of feeding experiments , while the very effective work of the War Board of the American Society of Phytopathologists is familiar to us all and still another ...
... Production has formulated a valuable set of standard methods for the conduct of feeding experiments , while the very effective work of the War Board of the American Society of Phytopathologists is familiar to us all and still another ...
Contenido
272 | |
277 | |
293 | |
316 | |
327 | |
329 | |
342 | |
353 | |
61 | |
73 | |
87 | |
90 | |
93 | |
104 | |
107 | |
112 | |
115 | |
118 | |
121 | |
130 | |
136 | |
142 | |
149 | |
161 | |
162 | |
165 | |
167 | |
183 | |
188 | |
195 | |
199 | |
213 | |
215 | |
221 | |
233 | |
248 | |
253 | |
266 | |
270 | |
369 | |
375 | |
386 | |
391 | |
437 | |
439 | |
440 | |
445 | |
452 | |
467 | |
491 | |
508 | |
509 | |
512 | |
525 | |
528 | |
534 | |
556 | |
565 | |
572 | |
575 | |
594 | |
599 | |
605 | |
607 | |
608 | |
614 | |
615 | |
621 | |
641 | |
645 | |
Otras ediciones - Ver todas
Términos y frases comunes
Academy of Sciences acid active Advancement of Science Agriculture American Association American Chemical Society animals annual applied appointed Asso Barosaurus biological botanists botany Bureau cent chemical chemistry Chicago College committee cooperation course diecious director disease division effect elected electrons ence engineering entodermal experiments fact factors fessor field gametes Geological Survey geologist given ical Illinois important increase industry Institute interest intersexes investigation John knowledge laboratory lectures mathematical Medical School medicine meeting ment method motion Mucor Museum National Research Council nature notochord observed obtained organization papers physics physiology plant possible present president problems Professor projectile public health recently relation SCIENCE FRIDAY scientific secretary Section Society soil solar eclipse species station temperature theory tion United Univer University velocity versity Washington William William Osler Yale University York zoology zygospores
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.