Writing skills
The "Cheng" slope and length of the type root are moderate, the horizontal drawing is parallel and even, and the vertical drawing is correct. The width of the upper part of the right part is moderate, and the size of the lower part is appropriate; The upper and lower centers are opposite.
Basic explanation
Chemical elements. The symbol is Pb. It is blue, soft and malleable, but it will oxidize rapidly when it is placed in the air. It is a poor conductor of electricity and has strong corrosion resistance. Can be combined with other metals to make storage batteries, cable sheaths, radiation protection materials, etc. , and has a wide range of uses. Group words: lead pipe, lead poisoning. Lead mountain, place name. In the east of Jiangxi.
Leading group words
Pencil, type, printing, stereotype, lead wire, lead paste, lead medicine, lead iron, lead mill, lead color, lead ink, lead white, lead brick and stone, lead red.
Interpretation of ancient books
Kangxi dictionary
Tang Yunhe specializes in cutting. The rest of Jiyun and Yunhui were specially cut. Sound edge. Shuo Wen: Qing Jinye. Jade piece: black tin also. Zheng Zitong: Tin. Born in Pingze, Shu County, today there are silver pits everywhere. A black jar. Tin is white, so lead is black tin. Li Shizhen said: Lead is easy to flow downstream, so it is called lead. Book Gong Yu: A lead turquoise.
"Treasure Theory": There are several kinds of lead, and Persian lead is hard and white, which is the first one. Grass festival leads out, and silver is also the essence. Silver lead, the lead in the silver pit, contains five colors. Shangrao and Leping lead followed, followed by negative lead and iron seedling. Du Gutao said: The lead in the feet of Yazhou fish is shaped like a pod and as big as a tadpole. It is black, born in sand, and can also dry mercury.
Also known as lead powder, also known as Hu powder. That is, leading China. Cao Zhi's Ode to Luoshen: No resistance. Zheng Zitong: Lead powder is made of modern lead. Speaking of tin powder, it's not made of tin. Lead blocks in Faxian County were put into a wine jar and closed for 49 days. Lead has turned into powder. If it is not white, it will be fried into Huang Dan. Su Gong said it was made of fried tin, Zhu Zhenheng said that Hu powder was tin powder, and Tao Hongjing's molten lead was wrong, wrong.
Extended data
Lead is a metal element, which can be used as a material for resisting sulfuric acid corrosion, gamma rays and batteries. Its alloy can be used as type, bearing, cable sheath and so on. , can also be used as the shot put of sports equipment. Lead can also refer to writing instruments made of graphite, such as pencils. Lead rafters (lead chalk and boards, tools used by the ancients to write, referring to finishing works).