依据矿石失重实验数据可计算反应率的大小及其变化关系，并可分析矿石还原过程速率的限制性环节及矿石的还原性。
From the da ta of weight-loss experiment, the rate of reaction and the variation of this rate with time can be calculated. The controlled step of reducing process can be determined also.
实验结果表明，矿石结构、孔隙度和颗粒的大小对还原率有明显的影响。
Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate.
用光学显微镜和扫描电镜观察了还原后矿石的微观结构变化，电镜下观察到“铁晶须”的存在。
Microstructural observations by microscope and SEM show that there exist whiskers in the ore after reduction.
焦炉厂中生成的焦炭在高炉中还原铁矿石（铁的氧化物）成铁。
As a simple overview, the blast furnace needs coke from the coke plant to reduce the iron ore (iron oxide) to iron.
应用煤基直接还原—磁选—氰化提金工艺处理某铁帽型含金矿石，解决了矿石中铁、金分离问题。
The separation of iron and gold is solved to a gossan type gold ore through "direct reduction with coal-magnetic separation-cyanidation process".
应用SO2直接还原氧化锰新工艺处理银锰矿石，解决了银锰分离的问题。
The separation of Mn and Ag in manganese-silver ore is available by means of SO2 reducing directly.
锡矿石试样的还原分解，在测定的准确性、结果的重现性、操作的简易程度以及分析的速度等方面，均优于经典的过氧化钠熔矿方法。
The reductive decomposition method has the advantages over the classic ore melting method with sodium peroxide in analytical accuracy, reproducibility, ease of operation and rate of analysis, etc.
直接还原过程中矿石的脉石转入DRI，给电炉冶炼带来一系列影响。
The gangue of iron ore is completely removed to DRI during the DRI production which brings about a series of influence on the melting in electric furnace.
通过试验求得铁矿石流化还原的开始失流温度及气体流速对它的影响。
Simulating tests were made to investigate the starting out-of-flow temperature due to sticking and the influence of airflow speed on it du-ring iron ore reduction on fluidized bed.
球团在还原过程中硫含量基本不变，海绵铁中的硫基本上源于矿石。
The sulfur content in pellets almost remains the same during the said process, the sulfur content in sponge iron originates from iron ores.
建议利用焦炉煤气作为铁矿石的还原剂，在竖炉中生产直接还原铁；论述了其基本工艺过程和技术上的可能性及经济上的合理性。
The suggestion was made to utilize the coke oven gas as the reductant of iron ore to produce direct reduction iron(DRI) in a shaft furnace.
一些铜矿石是由氧化物和碳酸盐组成，需进一步还原。
Some ores of copper are oxides and carbonates, and they have only to be reduced.
以国内某钢铁公司的炼铁原料为基础，进行了高炉喷吹煤与废塑料条件下的矿石低温还原粉化性能研究。
Based on the material of iron in some iron and steel companies, the low temperature reduction degradation of iron ore in the condition of injecting blends of coal and waste plastic in BF is studied.
本研究采用不同的还原剂对赤铁矿石和磁铁矿石进行了固态下碳还原研究。
Carbon reduction at solid state of hematite and magnetite by various reducers are investigated.
在相同条件下，赤铁矿石较磁铁矿石易于被还原成还原铁粉。
Under the same conditions, hematite is easier to be reduced than magnetite.
但褐铁矿的同化性好，生成铁酸钙的能力比其它矿石高20%，所以褐铁矿的还原性好。
However, assimilation of limonite is better and the capability of creating calcium ferrite is higher by 20% than other ores. The reducibility of limonite is better.
提出了用螯合滴定法测定矿石试样中的锡，用以取代铝片还原碘量法。
Methods Tannin was extracted by the ultrasonic technology and content of tannin was determined by the method of complex titration.
提出了用螯合滴定法测定矿石试样中的锡，用以取代铝片还原碘量法。
Methods Tannin was extracted by the ultrasonic technology and content of tannin was determined by the method of complex titration.
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