Chemical News and Journal of Physical Science, Tom 106Chemical news office., 1912 |
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Strona 7
... given above . An allowance was made for the niobium already found to be present . The titanium dioxide found in this way amounted to 45'74 per cent . The ferrous iron present was estimated by digesting the finely - ground mineral with ...
... given above . An allowance was made for the niobium already found to be present . The titanium dioxide found in this way amounted to 45'74 per cent . The ferrous iron present was estimated by digesting the finely - ground mineral with ...
Strona 11
... given as a guide for estimating the quality of any par- ticular water , and full directions for the preparation of all the reagents required are included . Cast - iron in the Light of Recent Research . By W. H. HATFIELD , B.Met ...
... given as a guide for estimating the quality of any par- ticular water , and full directions for the preparation of all the reagents required are included . Cast - iron in the Light of Recent Research . By W. H. HATFIELD , B.Met ...
Strona 14
... given by Nilson , 441. If the alteration from the lower is caused only by the elimination of the last trace of value previously obtained , viz . , 45 , to a value one unit thorium , this must show that o5 per cent of Tho2 in scandium ...
... given by Nilson , 441. If the alteration from the lower is caused only by the elimination of the last trace of value previously obtained , viz . , 45 , to a value one unit thorium , this must show that o5 per cent of Tho2 in scandium ...
Strona 14
... given to a number of details , which will be seen from the following description : — - Test - tubes for containing the oil were 16 cm . by 15 mm . , with a mark near the bottom to indicate 5 cc . , and closed by a cork so perforated ...
... given to a number of details , which will be seen from the following description : — - Test - tubes for containing the oil were 16 cm . by 15 mm . , with a mark near the bottom to indicate 5 cc . , and closed by a cork so perforated ...
Strona 18
... given as good ; the vines are flowering , for the greater part , under favourable conditions . various methods which have been suggested for its Somewhat unsatisfactory accounts have been received | detection and quantitative estimation ...
... given as good ; the vines are flowering , for the greater part , under favourable conditions . various methods which have been suggested for its Somewhat unsatisfactory accounts have been received | detection and quantitative estimation ...
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Popularne fragmenty
Strona 116 - What a piece of work is a man! how noble in reason! how infinite in faculty! in form and moving how express and admirable! in action how like an angel! in apprehension how like a god! the beauty of the world! the paragon of animals!
Strona 122 - And Jacob said unto Pharaoh, The days of the years of my pilgrimage are an hundred and thirty years: few and evil have the days of the years of my life been, and have not attained unto the days of the years of the life of my fathers in the days of their pilgrimage.
Strona 123 - The world little knows how many of the thoughts and theories which have passed through the mind of a scientific investigator have been crushed in silence and secrecy by his own severe criticism and adverse examination ; that in the most successful instances not a tenth of the suggestions, the hopes, the wishes, the preliminary conclusions have been realized.
Strona 184 - If it contain any added poisonous or other added deleterious ingredient which may render such article injurious to health...
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Strona 184 - ... sold or offered for sale in the District of Columbia or the territories, or insular possessions of the United States, or if it be imported from a foreign country for sale, or if it is intended for export to a foreign country...
Strona 135 - As stated in the charter, it was intended "to give the highest specialized instruction and to provide the fullest equipment for the most advanced training and research in various branches of science, especially in its application to industry.
Strona 118 - It may be that in the progress of science it may yet be possible to construct living protoplasm from nonliving material. The refutation of abiogenesis has no further bearing on this possibility than to make it probable that if protoplasm ultimately be formed in the laboratory, it will be by a series of steps, the earlier steps being the formation of some substance or substances now unknown which are not protoplasm. Such intermediate stages may have existed in the past.
Strona 85 - ... necessary for pursuing it to its full extent, it is proposed to raise a fund by subscription, for constructing a powerful battery, worthy of a national establishment, and capable of promoting the great objects of science. " Already, in other countries, public and ample means have been provided for pursuing these investigations. They have had their origin in this country ; and it would be dishonourable to a nation so great, so powerful, and so rich, if, from the want of pecuniary resources, they...