Naphthalene and the usual malodorous powders are not only very disagreeable, but quite useless.
To lessen irritation the skin is protected by dusting powders, such as oxide of zinc, starch, fuller's earth, &c., or by ointments.
The doctors were of use to Natasha because they kissed and rubbed her bump, assuring her that it would soon pass if only the coachman went to the chemist's in the Arbat and got a powder and some pills in a pretty box for a ruble and seventy kopeks, and if she took those powders in boiled water at intervals of precisely two hours, neither more nor less.
It cannot be satisfactorily applied to the case of solids or powders, and is much less generally useful than the method of mixture.
This work to an important extent prepared the way for the "smokeless powders" which came into general use towards the end of the 19th century; cordite, the particular form adopted by the British government in 1891, was invented jointly by him and Professor James Dewar.
The more important picric powders are melinite, believed to be a mixture of fused picric acid and gun-cotton; lyddite, the British service explosive, and shimose, the Japanese powder, both supposed to be identical with the original melinite; Brugere's powder, a mixture of 54 parts of ammonium picrate and 45 parts of saltpetre; Designolle's powder, composed of potassium picrate, saltpetre and charcoal; and emmensite, invented by Stephen Emmens, of the United States.
Thus carbolic acid or carbolized ammonia are sniffed into the nose to destroy the microbes there, or the nose is washed out by an antiseptic solution as a nasal douche; bismuth or morphine are insufflated, or zinc ointment is applied, to cover the mucous membrane, and protect it from further irritation; and various antiseptic gargles, paints and powders applied to the pharynx in order to prevent the microbic inflammation from extending to the pharynx and down the trachea and bronchi, for many a severe bronchitis begins first by sneezing and nasal irritation.
The wardens of the grocers are to "assayen weights, powders, confeccions, platers, oyntments and all other things belonging to the same crafte."
These substances are usually prepared by fusing their components together, and are dark powders which are less soluble in water the more antimony they contain.
Rend., 1902, 1 35, P. 73 8) obtained ferrous nitride, Fe3N2, and ferric nitride, FeN, as black powders by heating lithium nitride with ferrous potassium chloride and ferric potassium chloride respectively.
Reddish brown amorphous powders of the formulae 2FeC1 3NO and 4FeC13NO are obtained by passing the gas over anhydrous ferric chloride.
A series of powders is obtained progressively finer according to the time required to settle to the bottom of the vessel.
Gum tragacanth is used in calico-printing as a thickener of colours and mordants; in medicine as a demulcent and vehicle for insoluble powders, and as an excipient in pills; and feltsetting and mending beetles and other insect specimens.
In spite of the many pills she swallowed and the drops and powders out of the little bottles and boxes of which Madame Schoss who was fond of such things made a large collection, and in spite of being deprived of the country life to which she was accustomed, youth prevailed.
The procedure consists in most cases in spraying the affected plants with poisonous solutions or emulsions, or in (lusting them with fungicidal or insecticidal powders, or applying the fumes of lethal gases.
For the composition of the numerous liquids and powders special works must be consulted, but the following principles apply generally.
The application of ordinary antiseptic powders to leaves inside which a Fungus, such as a Uredo or Ustilago, is growing can only result in failtire, and similarly if tobacco fumes, for instance, are applied when the insects concerned are hibernating in the ground beneath.
The water in a soap is rarely directly determined; when it is, the soap, in the form of shavings, is heated to 105° C. until the weight is constant, the loss giving the amount of ' " Soap powders " and " soap extracts " are powdered mixtures of soaps, soda ash or ordinary sodium carbonate.
So late as 1782, James Price, an English physician, showed experiments with white and red powders, by the aid of which he was supposed to be able to transform fifty and sixty times as much mercury into silver and gold.
Albumoses and peptones are white powders, readily soluble in water, with the exception of the hetero-albumoses - a subdivision of primary albumoses.
They are loose, white, non-hygroscopic powders, soluble in water and salt solutions, and have an acid reaction; they give the colour reactions of albumins.
In general they are white, loose powders, slightly soluble in cold water, more soluble in hot water; they are precipitated by mineral acids, but dissolve in an excess.
Under the influence of the touchstone of strict inquiry set on foot by the Royal Society, the marvels of witchcraft, sympathetic powders and other relics of medieval superstition disappeared like a mist before the sun, whilst accurate observations and demonstrations of a host of new wonders accumulated, amongst which were numerous contributions to the anatomy of animals, and none perhaps more noteworthy than the observations, made by the aid of microscopes constructed by himself, of Leeuwenhoek, the Dutch naturalist (1683), some of whose instruments were presented by him to the society.
The doctor who came to see her that day ordered her to continue the powders he had prescribed a fortnight previously.