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In Chinese, characters for the elements are the last officially created and recognized characters in the Chinese writing system.Unlike characters for unofficial varieties of Chinese (e.g., written Cantonese) or other now-defunct ad hoc characters (e.g., those by the Empress Wu), the names for the elements are official, consistent, and taught (with Mandarin pronunciation) to every Chinese and ...
tàn carbon C: 氮 dàn nitrogen N: 氧 yǎng oxygen O: 氟 fú fluorine F: 氖 nǎi neon Ne: 3: 钠 nà sodium Na: 镁 měi magnesium Mg: 铝 lǚ aluminium Al: 硅 guī silicon Si: 磷 lín phosphorus P: 硫 liú sulfur S: 氯 lǜ chlorine Cl: 氩 yà argon Ar: 4: 钾 jiǎ potassium K: 钙 gài calcium Ca: 钪 kàng scan ...
Carbon steel is often divided into two main categories: low-carbon steel and high-carbon steel. It may also contain other elements, such as manganese, phosphorus, sulfur, and silicon, which can affect its properties. Carbon steel can be easily machined and welded, making it versatile for various applications.
In addition to the descriptive steel grade naming system indicated above, within EN 10027-2 is defined a system for creating unique steel grade numbers. While less descriptive and intuitive than the grand names they are easier to tabulate and use in data processing applications.
Below is a table, in pinyin order, of the Chinese names of major organic compounds, radicals, and functional groups. Characters given are in traditional Chinese, followed by simplified Chinese where possible. Since the characters are modern creations, the traditional Chinese characters are analogous (with traditional components in place of ...
A UNS-derived system known as ISC (in Chinese 统一数字代号, literally "unified numeric designator") is used in China in parallel to the composition-based nomenclature. [6] Individual grades may receive the same number (e.g. S31603), a slightly different number (e.g. S30400/S30408, S17400/S17440), or a totally different one (e.g. S20200 ...
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The properties of steel depend on its microstructure: the arrangement of different phases, some harder, some with greater ductility. At the atomic level, the four phases of auto steel include martensite (the hardest yet most brittle), bainite (less hard), ferrite (more ductile), and austenite (the most ductile). The phases are arranged by ...