Graphite
['græfaɪt]
解釋/意思:
(n.) Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called plumbago or black lead.
格拉迪斯校對
同義詞及近義詞：
n. Plumbago, black-lead.
爱德华整理
例句/造句/用法:
- We then substituted the graphite points instead of iron. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- Carbon for commutator brushes has been superseded by graphite in some cases, the latter material being found much more advantageous, electrically. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- This mold is coated with graphite to make it a conductor and is then suspended in a bath of copper sulphate, side by side with a slab of pure copper. 伯莎M.克拉克. 科學通論.
- Edison concentrated his powers on the investigation of this trouble, and found that the chief cause lay in the graphite. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- In 1834 William Marr of England patented a lining for a double metallic chest, filled with non-combustible materials such as mica, or talc clay, lime, and graphite. 威廉·亨利·杜利特. 世紀發明.
- This scheme was objected to on the ground that particles of graphite would fill these air-spaces and cause a short-circuit. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
哈洛錄入