Resin

(noun.) any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules.

艾琳编辑

• He abandoned the resin as a sensitive material, and went back to the salts of silver. Edward W. Byrn. 十九世纪发明进展.
• Knight says: The corundum stone used by the Hindoos and Chinese is composed of corundum powdered, two parts; lac resin, one part. 威廉·亨利·杜利特. 世纪发明.
• In 1827 he discarded the use of silver salts, and employed a resin known as Bitumen of Judea (asphaltum). Edward W. Byrn. 十九世纪发明进展.
• Hence, when treated with an oleaginous solvent the shadows dissolved out, and the lights, represented by the undissolved resin, formed a picture, which was in reality a permanent negative. Edward W. Byrn. 十九世纪发明进展.
• The light acting upon the plate rendered the resin insoluble where exposed, and left it soluble under the shadows. Edward W. Byrn. 十九世纪发明进展.
• Natural fibers, moreover, are difficult to spin and weave unless some softening material such as wax or resin is rubbed lightly over them. 伯莎M.克拉克. 科学通论.
• A plate was coated with a solution of this resin and exposed. Edward W. Byrn. 十九世纪发明进展.
• A cement which does not have this defect is made by boiling 3 parts of resin and 1 of caustic soda in 5 of water. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Incisions are cut in the bark of the long-leaf pine trees, and these serve as channels for the escape of crude resin. 伯莎M.克拉克. 科学通论.
• Dufay had recognized two sorts of electricity, obtained by rubbing a glass rod and a stick of resin, and had spoken of t hem as vitreous and resinous. 李贝. 西洋科学史.
• Hence the early chemists made all possible mixtures of pitch, resin, naphtha, sulphur, saltpeter, etc. 佚名. 神奇的知识之书.
• Resin oil distils off easily. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The first attempts in this art were by Dixon, of Jersey City, and Lewis, of Dublin, in 1841, who used resins. Edward W. Byrn. 十九世纪发明进展.

克拉丽莎校对