Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1912 |
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... chemical elements , by William Ram- say ..... • The fundamental properties of the elements , by Theodore William Richards .... The production and identification of artificial precious stones , by Noel Heaton . The sterilization of ...
... chemical elements , by William Ram- say ..... • The fundamental properties of the elements , by Theodore William Richards .... The production and identification of artificial precious stones , by Noel Heaton . The sterilization of ...
Сторінка 110
... chemistry , mineralogy , botany , zoology , and anthropology . This latter plan was continued , though not altogether satisfactorily , down to and including the year 1888 . In the report for 1889 a return was made to the earlier method ...
... chemistry , mineralogy , botany , zoology , and anthropology . This latter plan was continued , though not altogether satisfactorily , down to and including the year 1888 . In the report for 1889 a return was made to the earlier method ...
Сторінка 167
... chemistry helped by electricity . It is the use of a new agency in accomplishing chemical operations , and it has not only succeeded in facilitating many of the most difficult 1 An address delivered at the seventeenth general meeting of ...
... chemistry helped by electricity . It is the use of a new agency in accomplishing chemical operations , and it has not only succeeded in facilitating many of the most difficult 1 An address delivered at the seventeenth general meeting of ...
Сторінка 168
... chemical processes , but in the electric furnace they react at once to form the valuable and familiar calcium carbide ; carbon stays carbon except when the intense heat of the elec- tric furnace converts it into artificial graphite ...
... chemical processes , but in the electric furnace they react at once to form the valuable and familiar calcium carbide ; carbon stays carbon except when the intense heat of the elec- tric furnace converts it into artificial graphite ...
Сторінка 169
... chemical compound , the current tends to decom- pose the compound into two constituents , appearing respectively at ... chemical transformations . It enables us , for instance , to split up some of the strongest chemical compounds into ...
... chemical compound , the current tends to decom- pose the compound into two constituents , appearing respectively at ... chemical transformations . It enables us , for instance , to split up some of the strongest chemical compounds into ...
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Сторінка 509 - So the people shouted when the priests blew with the trumpets: and it came to pass, when the people heard the sound of the trumpet, and the people shouted with a great shout, that the wall fell down flat, so that the people went up into the city, every man straight before him, and they took the city.
Сторінка 513 - For the king had at sea a navy of Tharshish with the navy of Hiram : once in three years came the navy of Tharshish, bringing gold, and silver, ivory, and apes, and peacocks.
Сторінка 507 - And the LORD was with Judah ; and he drave out the inhabitants of the mountain ; but could not drive out the inhabitants of the valley, because they had chariots of iron.
Сторінка 380 - THE prolongation of life : the restitution of youth in some degree : the retardation of age : the curing of diseases counted incurable : the mitigation of pain : more easy and less loathsome purgings : the increasing of strength and activity : the increasing of ability to suffer torture or pain...
Сторінка 377 - ... all species have been produced by the development of varieties from common stocks, by the conversion of these, first into permanent races and then into new species, by the process of natural selection, which process is essentially identical with that artificial selection by which man has originated the races of domestic animals — the struggle for existence taking the place of man, and exerting, in the case of natural selection, that selective action which he performs in artificial selection.
Сторінка 509 - And the young men that were spies went in and brought out Rahab and her father and her mother and her brethren and all that she had; and they brought out all her kindred and left them without the camp of Israel.
Сторінка 513 - And he joined himself with him to make ships to go to Tarshish: and they made the ships in Ezion-gaber. 37 Then Eliezer the son of Dodavah of Mareshah prophesied against Jehoshaphat, saying, Because thou hast joined thyself with Ahaziah, the LORD hath broken thy works. And the ships were broken, that they were not able to go to Tarshish.
Сторінка 319 - Magoary rice mills, near Para, these ants once pierced the embankment of a large reservoir : the great body of water which it contained escaped before the damage could be repaired. In the Botanic Gardens, at Para, an enterprising French gardener tried all he could think of to extirpate the Saiiba.
Сторінка 310 - Wherever they move, the whole animal world is set in commotion, and every creature tries to get out of their way. But it is especially the various tribes of wingless insects that have cause for fear, such as heavy-bodied spiders, ants of other species, maggots, caterpillars, larvae of cockroaches and so forth, all of which live under fallen leaves, or in decaying wood.
Сторінка 366 - Owing to this struggle for life, any variation, however slight and from whatever cause proceeding, if it be in any degree profitable to an individual of any species, in its infinitely complex relations to other organic beings and to external nature, will tend to the preservation of that individual, and will generally be inherited by its offspring.