释义 |
stone coal短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 石煤,硬煤 Extraction technology of vanadium from the sodium roasting, the non- salt oxidizing roasting, the stone coal soaking by acid alkali and its evolvement process were introduced. 介绍了钠化焙烧、无盐氧化焙烧、酸碱浸石煤等提钒的工艺及其演变过程。 chemyq The development of technology on vanadium extraction from stone coal by adding sodium chloride and calcium oxide was reviewed. 调研了石煤提钒钠化焙烧和钙化焙烧两种工艺的发展现状。 rm-journal The influence of roasting temperature, time, atmosphere and organic in stone coal, percentage of additive NaCl, particle size of stone coal sample on leaching rate of vanadium are studied. 研究了焙烧对从方山口石煤中提钒的影响。 考察了焙烧温度、入炉温度、有机质、添加剂氯化钠用量、焙烧时间、焙烧气氛和矿样粒度对钒浸出率的影响。 cnki The principles and low pollution process in production of vanadium pentoxide with stone coal containing vanadium are introduced in detail. 介绍用含钒石煤生产五氧化二钒的原理和低污染生产工艺。 chemyq The stone coal is a coal resource that reserves in old stratum. 石煤是贮藏在古老地层中的一种煤炭资源。 chemyq Besides, the current situations and prospect for the development and utilization of stone coal have been analyzed and the corresponding recommendations have been put forward as well. 同时,对开发利用石煤的现状和前景作了分析,提出了开发利用石煤的途径和建议。 chemyq Causticizing mud was used as a roasting additive of sodium chloride for extraction of vanadium pentoxide from stone coal. 从石煤中提取五氧化二钒时,用苛化泥作焙烧添加剂,以取代氯化钠。 chemyq Geological hazard treatment of stone coal self- ignition is a main problem in China and the world. 石煤自燃地质灾害治理是我国乃至世界矿山环境治理的一大难题。 chemyq In Yutangba, native Se extensively exists within Se- rich carbonaceous rocks, abandoned stone coal spoils and high-Se soils close to Se-rich carbonaceous strata. 自然硒在渔塘坝富硒碳质岩层及其附近的土壤、废弃“石煤”堆中广泛发育。 dictall The characteristics, and current development and utilization of molybdenum ore in the stone coal are described. 对石煤中钼矿的特点、性质,以及开发利用现状进行了介绍。 chemyq The content and the distributing law of the microelements in lower paleozoic era stone coal in South Qinling have been systematically studied. 对南秦岭早古生代石煤的微量元素含量、分布规律等进行了详细系统的研究。 chemyq There were coupling relationships among different optimum conditions. In practical production, special experiments should be conducted for different kinds of stone coal. 各最佳焙烧条件之间存在一定耦合关系,在生产实际中,宜针对不同石煤进行特定实验。 rm-journal Vanadium bearing stone coal of Guang Wang of Sichuan is more rich vanadium ore. 四川广旺含钒石煤主矿层属品位较高较富的钒矿资源。 chemyq Vanadium-containing stone coal is an important vanadium resource in China and oxidized roasting is the foundation for extracting vanadium from stone coal. 含钒石煤是我国重要的钒矿资源,氧化焙烧是从石煤提钒的基础。 www.jsks.net.cn Stone coal is a unique vanadium mineral resource in China and its reserve is abundant. 石煤是我国独特的一种矾矿资源,储量极为丰富。 chemyq |