Chemical News and Journal of Physical Science, Tom 106Chemical news office., 1912 |
Z wnętrza książki
Wyniki 1 - 5 z 100
Strona 6
... carbon , transferred to a small porcelain boat , and heated to a high temperature in a Jena - glass tube in a current of chlorine which had passed through carbon tetrachloride . The temperature of the tube , excluding the portion ...
... carbon , transferred to a small porcelain boat , and heated to a high temperature in a Jena - glass tube in a current of chlorine which had passed through carbon tetrachloride . The temperature of the tube , excluding the portion ...
Strona 7
... carbon tetrachloride alone , as suggested by Wells , was found to be less satisfactory than the method we adopted . A qualitative test for niobium in the above precipitate by the Giles method indicated that this element was present in ...
... carbon tetrachloride alone , as suggested by Wells , was found to be less satisfactory than the method we adopted . A qualitative test for niobium in the above precipitate by the Giles method indicated that this element was present in ...
Strona 9
... carbon dioxide which is approximately 0.25-0.3 of that given by the normal organism . The amounts of alcohol and acetic acid are similarly diminished and that of lactic acid increased . The organism retains the power of decomposing ...
... carbon dioxide which is approximately 0.25-0.3 of that given by the normal organism . The amounts of alcohol and acetic acid are similarly diminished and that of lactic acid increased . The organism retains the power of decomposing ...
Strona 11
... carbon system , which is discussed in detail after a short historical introduction . The influence of silicon , phosphorus , sulphur , manganese , and other elements upon the properties of cast - iron is critically discussed , and the ...
... carbon system , which is discussed in detail after a short historical introduction . The influence of silicon , phosphorus , sulphur , manganese , and other elements upon the properties of cast - iron is critically discussed , and the ...
Strona 14
... carbon tetrachloride , and after the ( Showing the number of minutes required for wood oil considered that other metals , such as thorium , zirconium , oontaining 20 per cent of adulterant to set ) . & c . , have been removed if found ...
... carbon tetrachloride , and after the ( Showing the number of minutes required for wood oil considered that other metals , such as thorium , zirconium , oontaining 20 per cent of adulterant to set ) . & c . , have been removed if found ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorption acetic acid action alcohol alkali aluminium amalgam ammonia ammonium amount application atoms B.Sc benzene boiling bromine calcium carbon monoxide cent Chem CHEMICAL NEWS OFFICE Chemistry chemists chloride CLERKENWELL ROAD College colour compounds containing copper course crystallisation crystals D.Sc determined diffusion dilute distilled effect electric erbium examination experiments Farringdon Street gases give glass grms heated hydrochloric acid hydrogen Inorganic iron Laboratory lead Lectures liquid London magnesium manufacture material mercury metal method methyl mineral mixture molecular molecules Newcastle Street nitrate nitric acid nitroamines nitrogen obtained organic Organic Chemistry oxalate oxalic acid oxide oxygen paper Physical platinum post free potassium precipitate prepared present Price Prof pure quantity quartz radium reaction Research residue salts samples scandium Science scientific silver Sir William Crookes Society sodium soluble solution Students substance sugar sulphate sulphuric acid temperature thorium tion Trans tube volume weight Yeast yttrium
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...
Strona 255 - Chlorine Chromium Cobalt Columbium Copper Dysprosium Erbium Europium Fluorine Gadolinium Gallium Germanium Gold Hafnium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lead Lithium Lutecium Magnesium Manganese Mercury...
Strona 255 - Rhodium . . Rubidium Ruthenium Samarium . . Scandium . . Selenium . . Silicon Silver Sodium Strontium . . Sulphur . . Tantalum . . Tellurium . . Terbium . . Thallium . . Thorium . . Thulium . . Tin.. Titanium . . Tungsten . . Uranium . . Vanadium . . Xenon Ytterbium Yttrium . . Zinc Zirconium . . Mo Nd Ne Ni N Os O Pd P Pt K Pr Ra Rn Re Rh Rb Ru Sm Sc Se Si Ag Na Sr...
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...