• An odor of copperas issued in puffs from the roofs of the neighboring factory.

    阵阵硫酸化合物气味附近一家工厂房顶上冒出来。

    youdao

  • The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on.

    石居里铜矿矿石主要矿石矿物黄铜矿及黄铁矿组成。

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  • Copperas prepared by a reduction method of mechanically activated pyrite from pyrite cinder is featured by low cost, fast reaction speed and high quality.

    硫铁矿为原料,采用机械活化硫铁矿还原法制绿矾具有成本反应产品质量高等优点。

    youdao

  • Production of ferrous powder by oxidative roast of copperas, a byproduct of titanium pigment was introduced, and optimum process for the transformation of sulfur to sulfur trioxide was studied.

    介绍了以硫酸法钛白粉副产物绿矾为原料,氧化焙烧生产铁红粉,研究了氧化反应中硫转化为三氧化硫适宜工艺条件。

    youdao

  • Production of ferrous powder by oxidative roast of copperas, a byproduct of titanium pigment was introduced, and optimum process for the transformation of sulfur to sulfur trioxide was studied.

    介绍了以硫酸法钛白粉副产物绿矾为原料,氧化焙烧生产铁红粉,研究了氧化反应中硫转化为三氧化硫适宜工艺条件。

    youdao

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