Science, المجلد 9

الغلاف الأمامي
John Michels (Journalist)
American Association for the Advancement of Science, 1887
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.
 

طبعات أخرى - عرض جميع المقتطفات

عبارات ومصطلحات مألوفة

مقاطع مشهورة

الصفحة 66 - If an instance in which the phenomenon under investigation occurs, and an instance in which it does not occur, have every circumstance in common save one, that one occurring only in the former; the circumstance in which alone the two instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon.
الصفحة 219 - ... the summit of the mountains situated parallel to the coast, as far as the point of intersection of the 141st degree of west longitude, (of the same meridian;) and finally, from the said point of intersection, the said meridian line of the 141st degree, in its prolongation as far as the Frozen Ocean.
الصفحة 390 - Records, with engraved views of the college in 1821, and containing a full report of the celebration of the two hundred and fiftieth anniversary of the founding of the college, is nearly ready for publication by the college. — The Ladies' health protective association of New York has six hundred members on its roll.
الصفحة 291 - AB Organic Analysis. A Manual of the Descriptive and Analytical Chemistry of certain Carbon Compounds in Common Use ; a Guide in the Qualitative and Quantitative Analysis of Organic Materials in Commercial and Pharmaceutical Assays, in the estimation of Impurities under Authorized Standards, and in Forensic Examinations for Poisons, with Directions for Elementary Organic Analysis.
الصفحة 188 - INSTINCT is usually defined as the faculty of acting in such a way as to produce certain ends, without foresight of the ends, and without previous education in the performance.
الصفحة 66 - Subduct from any phenomenon such part as is known by previous inductions to be the effect of certain antecedents, and the residue of the phenomenon is the effect of the remaining antecedents.
الصفحة 21 - ELECTRO-DEPOSITION : A Practical Treatise on the Electrolysis of Gold, Silver, Copper, Nickel, and other Metals and Alloys. With descriptions of Voltaic Batteries, Magneto and Dynamo-Electric Machines, Thermopiles, and of the Materials and Processes used in every Department of the Art, and several Chapters on Electro-Metallurgy. By ALEXANDER WATT, Author of " Electro-Metallurgy,
الصفحة 444 - But to return to our own institute; besides these constant exercises at home, there is another opportunity of gaining experience to be won from pleasure itself abroad; in those vernal seasons of the year when the air is calm and pleasant, it were an injury and sullenness against nature, not to go out and see her riches, and partake in her rejoicing with heaven and earth.
الصفحة 328 - Neither will any change be made in the spelling of such names in languages which are not written in Roman character as have become by long usage familiar to English readers : thus Calcutta, Cutch, Celebes, Mecca...
الصفحة 100 - AM Theory of Magnetic Measurements, with an Appendix on the Method of Least Squares. 12mo, cloth $1.00 NOLL, AUGUSTUS.

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