Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: June 18, 2025
But, from his chemical experiments, our author has conjectured that there may be a phlogistic substance, by means of which the siliceous earth is dissolved when in darkness; and that this solvent loses its power, if exposed to the light of day. I have one observation to oppose to this ingenious theory.
Doctor Brudenell realized very often the fact that the life of a London medical man, however large his practice and solvent his patients, is not by any means an enviable one.
On the same principle that electro-dissolution is used for the estimation of combined carbon in steel, etc., I have lately varied the experiment by introducing, instead of steel, iron containing a certain percentage of boron, and, having connected the respective boride with the positive pole of a powerful battery, and to the negative a plate of platinum, using as a solvent dilute sulphuric acid, I observed, after the lapse of about twelve hours, the iron had entirely passed into solution, and a considerable amount of brownish precipitate had collected at the bottom of the vessel, intercepted by flakes of graphite and carbon; the precipitate, having been collected on a filter paper, washed, and dried, on examination proved to be amorphous boron, containing graphite and other impurities, which had become chemically introduced during the preparation of the boron compound.
It is true that an investment of $50,000 worth of working ability deserves study and wise placing and it is true that the sanction of public education is to return to the state a socially solvent citizen who will contribute to the common welfare and will more than pay his way; but the immediately religious importance of this commanding interest consists in the honest and voluntary request for counsel on the part of the youth himself.
Having had considerable experience in the use of the alcoholic solutions of aniline dyes for staining bacteria, and having for some months used solutions in glycerine instead, I have come to much prefer the latter. Evaporation of the solvent is avoided, and in consequence a freedom from vexatious precipitations is secured, and more uniform and reliable results are obtained.
So the matter remained in abeyance, and Selwyn employed two extra men and continued storage tests and experimented with rifled and smooth-bore tubes, watchfully uncertain yet as to the necessity of inventing a solvent to neutralise possible corrosion after a propelling charge had been exploded.
Tolstoy's works are Russia's greatest literary contribution to posterity; and yet his literary fame has suffered through his extravagant ideals, the magnificent futility of his inconsistency, and the almost maniacal mysticism of his unrealizable hopes. If Mark Twain makes a more deeply, more comprehensively popular appeal, it is doubtless because he makes use of the universal solvent of humour.
The girl's idea of music had been happy a real solvent of shyness, yet not drastic; thanks to the intermissions, discretions, a general habit of mercy to gathered barbarians, that reflected the good manners of its interpreters, representatives though these might be but of the order in which taste was natural and melody rank. It was easy at all events to answer Kate.
Nor, again, am I contending that freedom is the universal solvent, or the idea of liberty the sole foundation on which a true social philosophy can be based. On the contrary, freedom is only one side of social life. Mutual aid is not less important than mutual forbearance, the theory of collective action no less fundamental than the theory of personal freedom.
Though this is a very weak acid, its solvent action is very important. But, in addition to the various organic acids and carbonic acid, we have also to consider the formation of nitric acid in connection with the decomposition of organic manures. Nitric acid is one of the strongest known, and in solvent power it is excelled by no single acid.
Word Of The Day
Others Looking