The sulfide chimneys show clear mineral chemical zoning.
硫化物烟囱显示明显的矿物-化学分带。
Chemical kinetics and thermodynamics of copper minerals constrain that chalcocite is main and ore zoning form in sandstone copper deposits.
铜矿物的化学动力学和热力学制约了砂岩铜矿中以辉铜矿为主及矿床分带的形成。
The initial response procedures and methods used in the response of a chemical leakage incident, including the zoning, personnel protective equipment and isolation, were proposed in this paper.
提出了化学品泄漏初期应对的概念，并对其内容和方法进行了阐述。
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