| 单词 | basic dye |
| 例句 | The basic dyes are so called because their essential constituents, to which they owe their dyeing power, are organic bases. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z The Basophile Cell.—This possesses a spherical nucleus and the protoplasm contains a small number of granules staining deeply with basic dyes. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" It is possible straight away to make mixtures consisting of two basic dyes. Histology of the Blood Normal and Pathological Safranine S. The Janus colours are a series of dyes of a basic nature which can be applied somewhat differently to the ordinary basic dyes, although the ordinary method can be followed. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student These remarks are applicable not only to the basic reds but to the whole range of basic dyes, hence this class of dye-stuffs is but little used in the dyeing of wool. The Dyeing of Woollen Fabrics Wool, silk, and animal substances generally have a direct attraction for colour-bases, and hence these fibres are readily dyed by simple immersion in hot aqueous solutions of the basic dyes. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z This is best done with basic dyes, in some cases also with acid dye-stuffs in cold or tepid bath with addition of sulphuric acid, hydrochloric or acetic acid. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The granulation possesses the further peculiarity, in that with the majority of basic dyes it stains, not in the pure colour of the dye, but metachromatically—most deeply with thionin. Histology of the Blood Normal and Pathological One source of trouble in the dyeing of basic dyes, more especially with magentas, violets and greens, lies in their slight solubility and great strength. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The direct and basic dyes are very little used, but the acid and mordant dyes are extensively employed, as is indicated in the following recipes. The Dyeing of Woollen Fabrics The sulpho-acids of the azo colours, of the basic dyes, and of indigo are usually insoluble in water, although there are great differences in their properties in this respect. The Dyeing of Woollen Fabrics Acid Magenta, Acid Violet, belong to the group of sulphonated basic dyes. The Dyeing of Woollen Fabrics The kinds of special granulations so far investigated have the common property, that they stain in acid and neutral dyes respectively; they shew a much smaller affinity for the basic dyes. Histology of the Blood Normal and Pathological Typical recipes will be given showing what basic dyes are available and how they can be combined together. The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student The affinity of the basic dyes for wool increases with increase of temperature. The Dyeing of Woollen Fabrics |
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