What is iron, what is the relationship between iron?

Iron is a chemical element and is the most commonly used metal. It is a type of transition metal. Iron Fe, atomic number 26, relative atomic mass.

There are many allotropic forms of iron like iron, iron, iron, iron, etc. Iron is the more reactive metal, ranking ahead of hydrogen in the metal activity order table. At room temperature, iron is not easy to react with non-metallic elements such as oxygen, sulfur, and chlorine in dry air, and reacts violently at high temperatures.

Iron is burned in oxygen to form Fe3O4, and hot iron reacts with water vapor to form Fe3O4. Iron is easily soluble in dilute inorganic acids and concentrated hydrochloric acid to form divalent iron salts and release hydrogen. When encountering or concentrated nitric acid at room temperature, a layer of oxide protective film is formed on the surface to "passivate" the iron, so iron products can be used to contain or concentrated nitric acid.

Iron is a variable valence element, and the common valence states are 2 and 3. Iron does not react with oxygen in dry air, but it corrodes easily in moist air, and corrodes more quickly in an acidic gas or halogen vapor atmosphere. Iron can reduce ions such as gold, platinum, silver, mercury, copper, or tin from solution.

Iron is the most abundant element in the earth's crust, second only to oxygen, silicon, and aluminum. Magnetite, hematite, limonite, and siderite are important iron ores. Its greatest use is for steelmaking; It is also used in large quantities to make cast iron and calcined iron.

Iron and its compounds are also used as magnets, dyes (inks, cyanotype, rouge pigments) and abrasives (red iron powder). Reduced iron powder is used in large quantities in metallurgy. Iron can be regarded as the most useful, cheapest, richest, and heaviest metal in our lives.

In industrial and agricultural production, iron is the most important basic structural material, and ferroalloys are widely used; National defense and war are a contest of steel, and the annual output of steel represents the level of modernization of a country. Satisfied.

Tieba is its independent brand and the world's largest Chinese community. Since December 3, 2003, Tieba has been online, is a keyword-based theme exchange community, which is closely integrated with search, accurately grasps user needs, and automatically generates discussion forums through the keywords entered by users, so that users can immediately participate in the exchange and publish the information and ideas they have on the topics they are interested in.

Tiezi refers to friends who have extremely deep feelings. Tiezi, also known as a dead friend, noun, word meaning: the name of two people who have a close relationship with each other.

This word can be used between men and women or between men. When used between men and women, the word means "intimacy" between men and women, and when used between men, it often indicates that there is a relationship between a bosom friend and a confidant, and is usually used to refer to people who are brothers and smell like.

synonyms: old ironThe word Lao Tie is an extension of "Tiezi" and "Tie Buddy", similar to "Ba Tie". "Iron" describes sturdy and sturdy, such as "iron buddies" describes a strong relationship between friends who can trust each other.

In addition, it is also used as a child's nickname, hoping that the child can grow up strong and healthy, such as "iron egg", "iron pillar", and other "chains", "pillars" and so on. If the child is the youngest of the siblings, he is also called "Lao Xiao" and "Lao Pimple", and it will also evolve into "Lao Tie" in daily titles.

It's the meaning of the iron buddy.

The word iron ** in the dialect "iron buddy" is another name for buddies, similar to the title of Lao Tie, etc., to describe the close, solid, trustworthy, as strong as iron relationship, metaphor for the relationship between friends is very good. Now it is mostly seen in online live broadcasts, including derivative words such as piercing the heart of Lao Tie, Lao Tie is no problem, holding a fist of Lao Tie, and Lao Tie double-clicking 666.

In the Northeast, Tiezi also has a meaning that refers to improper relationships, in the previous generation, there was no word Xiaosan, and there were also words such as Xiaomi's second mother, but it was more subtle than saying Lao Tie.

Implications:

1. There is nothing wrong with the iron.

There is nothing wrong with this stalk is a sign from Song Xiaobao.

It was extended from a noodle-eating sketch, which became a hot word on the Internet and many Internet celebrities.

Live broadcasters like to say this.

In the Northeast dialect. There is nothing wrong with it, which means that there is no problem, and there is no resistance to the emotion of Nian Laqi. And Lao Tie means friends, brothers. Connecting this sentence, it means, buddy, no problem. It has become a mantra for many people.

Finish! 2. The iron pierced the heart.

Piercing the heart means being said by others to be said to be a pain in the heart, and to describe being said to be very painful, that is, to scold people in place, affect people's hearts, and scold to the heart. It's called piercing your heart. Lao Tie is the meaning of a friend in Northeast dialect, it hurts my heart, Lao Tie, the heartache of the meaning is being made with heart, it was originally an ordinary Northeast dialect modified version, and then it was spread and ridiculed by netizens and evolved into an Internet buzzword.

1. Tie Tie means a very good friend, such as an iron buddy! It is to describe a good relationship. Solid as iron, sturdy, indestructible.

2. Internet terminology.

Tietie means brother, referring to iron buddy, especially good brother, ** in Beijing dialect.

Iron porcelain, in the later development process, gradually derived from the concubine.

Broken shoes, small three and other bad meanings, generally refer to non-positive finches such as worthy of close relationship.

3. Brother refers to the elder brother and younger brother, the second refers to the younger brother, the third refers to the like-minded or like-minded person, and also refers to the person who has deep friendship, the fourth refers to the sister, the ancient sister is also called the brother, the fifth refers to the ancient name of the clan relatives with the same surname, and the sixth refers to the ancient name of the man of the same generation between the in-laws, because it also refers to marriage, it refers to the general name of the relatives in ancient times, and the eighth refers to the country with the same surname, the nine metaphors are similar to the two, and the ten refers to the self-proclaimed man.

It is said that iron is the best boy and girl in your life, and 50% of such people cannot become friends of the opposite sex with themselves!

Iron iron means dead party, as strong as iron, strong, and indestructible.

The Internet term Tietie means brothers, referring to iron buddies, especially good brothers, ** in Beijing dialect iron porcelain, in the later development process, gradually derived from the concubine, broken shoes, small three and other bad meanings, generally referring to improper close relationships.

Brother refers to the elder brother and younger brother, the second refers to the younger brother, the third refers to the like-minded or like-minded person, also known as the person with deep friendship, the fourth refers to the sister, the ancient sister is also called the brother, the fifth refers to the ancient name of the same surname, and the sixth refers to the ancient name of the man of the same generation between in-laws, because it also refers to marriage.

Seven refers to the general term for relatives in ancient times, eight refers to the country with the same surname, nine refers to the similarity between the two, and ten refers to the self-proclaimed man.

Title of Friend:

Shi friends refer to friends who are loyal and loyal, dead friends refer to friends who have deep friendships and do not lose each other until death, close friends refer to friends who have deep friendships, Su friends refer to sincere and simple friends, and bad friends refer to people who do not think about their friends.

Friends refer to friends who are honest and outspoken, good friends refer to friends who help themselves, allies refer to friends who have formed alliances for specific purposes, netizens refer to friends who have met on the Internet, literary friends refer to friends who engage in literary exchanges, close friends refer to close friends, girlfriends refer to friends who talk about everything in the boudoir, and pen pals refer to friends who talk through letters.

Hengyou refers to friends who will never abandon them, forever, girlfriends refer to those who can stand the test of these mundane things, no matter how far away the circumstances are, they can be sincerely blessed, girlfriends' boudoirs, that is, close friends in the boudoirs, also called women's same-sex confidants, money refers to treating each other with true feelings, to friends who refer to the deepest friendship, friends who do not suspect or doubt, and the world is also known as the world friendship, the world is good, and it generally refers to the friendship between the two generations.

Old friends are also known as old friends, old friends, old people, generally refers to old friendships, acquaintances refer to friends who know each other deeply, dead friends refer to very trustworthy, friends who can talk, the best, especially good friends, dead friends are derogatory words in the name of friends, male girlfriends male girlfriends belong to the new vocabulary, which means that you can have a good relationship with you and can go on the street together.

You can share careful things together.,Intimate male friends who talk about everything.,But it's not a couple.,Male girlfriends Sun Heng is the kind of person who has nothing to talk about with girls.,Righteousness.,Women regard them as their opposite-sex confidants.,You can talk to them when you have grievances.,You can talk to them when you have emotional troubles.。