Lampblack
['læmpblæk] or ['læmp,blæk]
解释:
(n.) The fine impalpable soot obtained from the smoke of carbonaceous substances which have been only partly burnt, as in the flame of a smoking lamp. It consists of finely divided carbon, with sometimes a very small proportion of various impurities. It is used as an ingredient of printers' ink, and various black pigments and cements.
埃尔顿校对
例句:
- A further process of paring and graining makes it ready for waxing or coloring, in which oil and lampblack are used on the flesh side. 佚名. 神奇的知识之书.
- I went to work and monkeyed around, and finally struck the notion of the lampblack button. 鲁伯特·萨金特·荷兰. 历史性发明.
- For example, the early filament made of a mixture of lampblack and tar is merely a suggestion in the notes, but its making afforded an example of Edison's pertinacity. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
- He was sitting in his laboratory one evening, when his right hand happened to touch a small pile of lampblack and tar that his assistants had been using in working on a telephone transmitter. 鲁伯特·萨金特·荷兰. 历史性发明.
- With his assistant, Charles Bachelor, he put a thread of the lampblack and tar in a bulb, exhausted the air, and turned on the current. 鲁伯特·萨金特·荷兰. 历史性发明.
- C, and it consists of a chamber to catch the sound waves and an elastic diaphragm with stylus working on a revolving cylinder bearing a sheet of paper coated with lampblack. Edward W. Byrn. 十九世纪发明进展.
- Umber gave him lines of a darkish brown color, lampblack and oil gave him black ink. 鲁伯特·萨金特·荷兰. 历史性发明.
- His conclusion was that it was impossible to get the air out of the lampblack. 鲁伯特·萨金特·荷兰. 历史性发明.
- It is organized in principle after the Bunsen burner, whereby a perfect combustion of the carbon is obtained with maximum heating effect and without smoke or deposits of lampblack. Edward W. Byrn. 十九世纪发明进展.
- But he felt certain now that a carbon filament, made of something other than tar and lampblack, was what he wanted. 鲁伯特·萨金特·荷兰. 历史性发明.
- Light and heat rays fall upon the lampblack, pass through the cylinder, and heat the water. 伯莎M.克拉克. 科学通论.
- Edison wanted that thread because it contained no air, and might stand a greater current than the lampblack. 鲁伯特·萨金特·荷兰. 历史性发明.
- Dissolve the glue in 3/4 quart of warm water, put in the lampblack and emery, stir till there are no lumps, then apply to the board with a woolen rag smoothly rolled. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
- Boil the logwood for 30 minutes in a gallon of water, and then add the copperas and lampblack. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
- Lampblack is a good absorber of heat, and it is used as a coating in order that all the light rays which fall upon the cylinder may be absorbed and none lost by reflection. 伯莎M.克拉克. 科学通论.
手打:萨拜娜