描述 中文名称：铬粒 英文名称：Chromium 中文别名：铬；金属铬 英文别名：Chrome CAS号：7440-47-3 性状：质硬而脆的钢灰色光亮金属。硬度如刚玉，熔度比白金低。能与稀盐酸、硫酸反应，而
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嗜铬粒蛋白a调控儿茶酚胺的储存及释放，而且对微血管有直接作用。
Chromogranin a (CHGA) regulates the storage and release of catecholamines and may have direct actions on the microvasculature.
研究了硅铬白口铸铁不同组织、不同含硅量、不同淬火加热温度及冷却速度对其耐磨粒磨损性能的影响。
The influences of different microstructure, silicon content, quenching temperature and cooling rate of the SiCr white cast iron on its abrasive wear performance were investigated.
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