The poems of red copper are: Xueji Mountain is negative for red copper day. Structure: red (left and right structure) copper (left and right structure). The pinyin is hong tóng. The phonetic notation is: ㄨㄥ _ㄊㄨㄥ _.
What is the specific explanation of copper? We will introduce you through the following aspects:
I. Text Description Click here to view the details of the plan.
That is, pure copper, which is smelted from sulfide or oxidized copper ore, can be used for coinage and making utensils.
Second, the citation interpretation
1. red copper. Pure copper smelted from sulfide or oxide copper ore can be used for casting money and making utensils. Quote Song's Heavenly Creations: Copper: "Where copper is used by the world, there is only red copper. Mix calamine or Japanese lead to change the color into brass; Refining drugs such as arsenic into white copper; Alum, nitrate and other drugs are refined into bronze; Guangxi tin ginseng copper ring; Japanese lead and writing _ Xie _ are both cast copper. The initial quality was only copper. " Guo Moruo's Historical Draft of China, Part I, Chapter 3, Section 2: "The copper they smelt is very pure. Except for natural trace impurities (0. 1-0.2%), there is no artificial addition of tin or lead to alloy it. Although the hardness of copper is poor, it can be directly beaten into various tools and decorations. "
Third, the national language dictionary
Pure copper. Because copper is reddish brown, it is called "red copper". For the translation of the English word copper (chemistry), see French cuivre.
Fourthly, online interpretation.
Copper copper is pure copper, also known as copper, which is the simple substance of copper. It is named for its purple color. See the various characteristics of copper. Red copper is industrial pure copper with melting point 1083℃ and relative density of 8.9, which is five times that of magnesium. The mass of the same volume is about 15% heavier than that of ordinary steel. Because the oxide film on its surface is rose red and purple, it is generally called red copper. It is copper with certain oxygen, so it is also called oxygen-containing copper. Copper has good electrical and thermal conductivity, excellent plasticity, and is easy to be hot-pressed and cold-pressed. It is widely used to manufacture products with good conductivity, such as wires, cables, brushes and special etched copper for EDM.
Red copper poem
The mountain knot is copper, and I cry at sunset. Red copper shell
Idioms about copper
Copper _ iron rib copper rib iron rib iron plate copper smashed copper rotten iron copper head iron forehead copper cast iron poured copper lip iron tongue
About copper
Copper wall, iron wall, copper pot, copper camel, grass, broken copper, rotten iron, copper lip, iron tongue, copper head, iron forehead, cast copper rib, iron rib, iron plate, copper wall, iron wall.
On the Sentence Making of Copper
1, which is most suitable for silver. It can also be used for gold, white tin, brass, copper, bronze, nickel, aluminum, chromium and stainless steel to gently clean metal surfaces.
He is very interested in red copper and often uses it for experiments.
3. Junjue Fitness Club, with six magnificent gilded characters hanging high above two red bronze doors.
His weather-beaten face seems to be made of red copper, and his broad forehead is deeply engraved with wrinkles showing strong will. A pair of kind eyes that are often narrowed are shining.
5, all red copper glass walls, like golden armor; The ground floor with one left and one right seems to be the general's two vigorous legs.
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