Resin
['rezɪn] or ['rɛzn]
解释:
(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--From WordNet
解释:
(n.) Any one of a class of yellowish brown solid inflammable substances, of vegetable origin, which are nonconductors of electricity, have a vitreous fracture, and are soluble in ether, alcohol, and essential oils, but not in water; specif., pine resin (see Rosin).
录入:泽维尔
同义词及近义词：
n. Rosin.
整理:特蕾西
解释:
n. an amorphous substance that exudes from plants supposed to be the product of oxidation of volatile oils secreted by the plant: the precipitate obtained from a vegetable tincture by treatment with water.—v.t. to coat with resin.—adj. Resinā′ceous resinous.—n. Res′ināte a salt of the acids obtained from turpentine.—adj. Resinif′erous yielding resin.—n. Resinificā′tion the process of treating with resin.—adj. Res′iniform.—vs.t. Res′inify to change into resin; Res′inise to treat with resin.—adjs. Res′ino-elec′tric containing negative electricity; Res′inoid; Res′inous having the qualities of or resembling resin.—adv. Res′inously.—n. Res′inousness.—adj. Res′iny like resin.—Gum resins the milky juices of certain plants solidified by exposure to air; Hard resins at ordinary temperatures solid and brittle easily pulverised containing little or no essential oil (copal lac jalap &c.); Soft resins mouldable by the hand—some are viscous and semi-fluid balsams (turpentine storax Canada balsam &c.).
约西亚整理
例句:
- 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