Impurity

(noun.) the condition of being impure.

(noun.) worthless or dangerous material that should be removed; 'there were impurities in the water'.

录入:门罗

• The other half, however, attracted my attention at once by its singular freedom from stain or impurity of any kind. 威尔基·柯林斯. 白衣女人.
• The most common impurity is gypsum and it is necessary to remove this gypsum before the salt can be considered pure. 佚名. 神奇的知识之书.
• Men were becoming aware that personally they needed protection and direction, cleansing from impurity, power beyond their own strength. 赫伯特·乔治·威尔斯. 世界史纲.
• The resistance offered by silica to all impressions is exemplified in the case of flint which consists essentially of silica colored with some impurity. 佚名. 神奇的知识之书.
• The latter is the element that we breathe and which passes into the body, there to combine with the impurities resulting from the various life activities. 佚名. 神奇的知识之书.
• The lime was added as a flux, and acted to unite with itself the sand, clay and other impurities to form a slag or scoria. 威廉·亨利·杜利特. 世纪发明.
• Steel making consists mainly in so treating cast iron as to get rid of a part of the carbon and other impurities. Edward W. Byrn. 十九世纪发明进展.
• When impure water is boiled, the steam from it does not contain any of the impurities because these are left behind in the vessel. 伯莎M.克拉克. 科学通论.
• In the can system the water is frozen from all four sides to the center, and imprisons in the center any air bubbles or impurities that may exist in the water. Edward W. Byrn. 十九世纪发明进展.
• The albumen of the serum coagulates and rises to the surface in a scum which entangles the impurities and bone black, leaving the syrup light in color. Edward W. Byrn. 十九世纪发明进展.
• Peppermint, spearmint and other oils used are triply distilled and absolutely free of all impurities. 佚名. 神奇的知识之书.
• The impurities remain behind in the kettle. 伯莎M.克拉克. 科学通论.
• After filtering it is again boiled, and if any scum or impurities appear on the surface they are removed, when the juice is to be bottled, corked tightly, and should be left for one year. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Was it you, thus baptized unto Death, with these flying impurities now flung upon your face? 查尔斯·狄更斯. 我们共同的朋友.
• This machine has practically solved the perplexing problem of separating impurities and foreign substances from chicle. 佚名. 神奇的知识之书.
• This stirring admitted air to the mass and the oxygen consumed and expelled the carbon, silicon, and other impurities. 威廉·亨利·杜利特. 世纪发明.
• The Alberger system of salt manufacture is a mechanical process which subjects the salt brine to a much higher temperature and removes the impurities by means of mechanical filters. 佚名. 神奇的知识之书.
• These blooms consist of particles of nearly pure iron cohering, but retaining still a quantity of slag or vitreous material, and other impurities, which slag, etc. Edward W. Byrn. 十九世纪发明进展.
• He proposed to burn the coal in a smouldering fire, to expel the sulphur and other impurities existing in the form of phosphorus, hydrogen and oxygen, etc. 威廉·亨利·杜利特. 世纪发明.

编辑:内尔达