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- metal sulfides ores 金属硫化矿
- A mixture of a metal with its sulfides, produced by smelting the sulfide ores of copper, lead, or nickel. 锍,冰铜一种带有硫化物的金属混合物,由熔炼铜、铅或镍的硫化物矿石而制成
- The progress on the synthesis of sulfones by oxidation of sulfides or sulfides is reviewed with 50 references. 摘要对氧化硫醚或亚砜的方法作一评述,参考文献50篇。
- The progress on the synthesis of sulfones by oxidation of sulfides or sulfoxides is reviewed with 50 references. 对氧化硫醚或亚砜成为砜的方法作一评述;参考文献50篇.
- The results of TPR indicated that metal sulfides were the hydrogenation centers, after presulfiding the acid strength of catalyst increased, but the total acid quantity reduced. TPR表明,金属硫化物是加氢活性中心,硫化后的催化剂酸强度增加,但总酸量减小。
- Any of various shiny minerals composed chiefly of metallic sulfides. 闪锌矿一种主要由含金属硫化盐组成的闪光矿物
- Copper, lead and zinc chiefly exist in sulfides or sulfo_arsenides and are concentrated in the metallic layer. 铜、铅、锌主要以硫化物和硫砷化物等存在,多富集在金属层中。
- Based on the principles of thermodynamic coupled reaction and the data of solution freeenergy,the essay explains the causes of solubility of metal sulfides. 采用热力学偶合反应的原理和溶解自由能数据,简明了金属硫化物溶于不同溶剂[水(如硫化钠),稀酸(如硫化锌),氧化性硝酸(如硫化铜),王水(如硫化汞)]的原因
- Metal deposit environmental pollution originates from the oxidation and decomposition reaction of metal sulfides , particularly pyrite(FeS 2) and pyrrhotite (FeS). 金属矿山环境污染源于金属硫化物特别是黄铁矿、磁黄铁矿的氧化分解。
- The results of TPR indicated that metal sulfides were the hydrogenation centers,after presulfiding the acid strength of catalyst increased,but the total acid quantity reduced. TPR表明,金属硫化物是加氢活性中心,硫化后的催化剂酸强度增加,但总酸量减小。
- Red algae cystocarp was found for the first time and the discovery of the close relationship between algae cystocarp and metal sulfides has supplied the evidence for biomineralization. 红藻囊果的发现及其与各种金属矿物之间密切的空间关系进一步证实生物参与了成矿作用。
- The current state researches of this kind of mesostructured materials,including the synthesis and applications of mesoporous semiconducting metal oxides and metal sulfides were reviecved. 介绍了最近几年来国内外有关半导体介孔材料合成和应用的研究动向及最新研究成果,内容包括半导体金属氧化物和硫化物等。
- The current state researches of this kind of mesostructured materials, including the synthesis and applications of mesoporous semiconducting metal oxides and metal sulfides were reviecved. 介绍了最近几年来国内外有关半导体介孔材料合成和应用的研究动向及最新研究成果,内容包括半导体金属氧化物和硫化物等。
- Any of various natural metallic sulfide minerals, especially of iron. 硫化矿类一种自然金属硫化矿,尤指铁矿
- Sulfide ores with BaSO4 as the main gangue , two kinds of slags , speiss and As-Cu alloy have been identified. 在还原熔炼中添加了砷矿物,冶炼的最终产品是砷铜合金,还原熔炼产生的砷冰铜(黄渣)等副产品中的铜通过返料操作在冰铜熔炼工序得以回收。
- Primary Au-bearing sulfide ores rich in organic cabon,clay,arsenic and copper are widely dispersed over west Shimian. 含有机碳、粘土物质、砷、铜较高的难处理原生硫化金矿石广泛分布于石棉西部地区。
- The dissolution of metallic sulfides resulted in the acidization of solution and the enlargement of medium concentration such as SO4 et al. which accele... 同时,尾矿-水相互作用中释放的金属元素与水溶液中的阴离子形成稳定的络合物,金属的水解可显著加快金属络合物的形成速率,从而又进一步促进了尾矿-水的相互作用。
- Spontaneous combustion of sulfide ores is one of the major hazards in safe mining of sulfurous ore deposits. 硫化矿石自燃的防治一直是含硫矿床面对的主要安全问题。
- The prevention and control on spontaneous combustion of sulfide ores are always the main safety problem for sulfide ore deposits. 摘要硫化矿石自燃的防治一直是含硫矿床面对的主要安全问题。
- "Show them a metal sulfide deposit on the seafloor and they think it's a six-course banquet," he joked. “给他们看海底的金属硫化物保护膜,他们就会认为这是一个六方会谈了”,他开玩笑的说。