• He postulated that the carbon reacts initially with the sulfate to form calcium sulfide.

    认为最初硫酸钙反应生成硫化

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  • This invention relates to a novel method for producing calcium sulfide from phosphogypsum or other gypsum.

    发明涉及一种石膏或其它石膏生产硫化方法

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  • The high combustion temperatures melt together the coal ash (largely silica and alumna) and calcium sulfide solids to form an inert slag that drains from the bottom of the boiler.

    高温燃烧使得炭(富含)和硫化为一体,从而产生固体残渣锅炉底部溢出。

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  • The roasting process of copper sulfide concentrate in the presence of calcium carbonate is studied by using the differential thermal analysis (DTA), thermogravimetric (TG) and X-ray diffraction.

    通过DTATG结合X 射线衍射分析方法,将硫化精矿碳酸钙焙烧与硫化铜精矿焙烧反应机理进行了对比研究。

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  • SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.

    结果表明球墨铸铁中的石墨是以、钙等硫化物氧化物作为基底形长大形成的。

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  • To improve the homogeneity of manganese sulfide and calcium fluoride, the machinability could be enhanced.

    改善硫化氟化钙分布,改善切削加工性。

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  • The oxide inclusions can be enveloped by sulfide inclusions thus improving machinability of B30 steel through calcium treatment.

    通过的变性处理B30中的氧化物硫化物包裹从而进一步改善切削加工性。

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  • The oxide inclusions can be enveloped by sulfide inclusions thus improving machinability of B30 steel through calcium treatment.

    通过的变性处理B30中的氧化物硫化物包裹从而进一步改善切削加工性。

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