Through the reduction roasting, the dezincification rate reached up to 98%, a high grade iron ore with only 0.
通过还原焙烧，高炉尘泥脱锌率可达98%，并得到含锌率仅为0。
Pyrite roasting process was studied by using TG-DTA thermal analysis. The effects of sample size, heating rate and roasting atmosphere on the roasting process were discussed.
用TG - DTA热分析法研究黄铁矿在不同粒度和不同升温速率及不同气氛中的焙烧过程。
The relation. between the con- verting rate of chromium and roasting temperature , the amount of soda , the amount of back slag - copper oxide are also studied.
研究了铬转化率与焙烧温度、配碱量、返渣氧化铜的量等条件的关系。
The weightlessness rate of the sample depends mainly on its roasting temperature.
热失重结果表明，样品的失重率取决于焙烧温度。
The wet process consisted of roasting, sulfur acid pretreatment and chlorination leaching of gold is examined. The results show that gold leaching rate is 97.95% and silver leaching rate is 79.86%.
本研究采用焙烧-硫酸预处理-氯化湿法工艺从其中回收金，金浸出率为97.95%，银浸出率为79.86%，效果令人满意。
The trial results are given as follows: under the experimental roasting conditions, it is not obvious to the change of weight-loss rate, and is about 30%;
试验结果表明：在所有的焙烧实验条件下，烧损率的变化并不明显，在30 %左右；
Effects of roasting temperature, roasting time, kinds and addition amount of addition and other factors to vanadium leaching rate were investigated.
考查了焙烧温度、焙烧时间、添加剂种类及添加量等因素对钒浸出率的影响。
The effects of temperature, time, air frequency and different fluxes on the recovery rate of molybdenum for oxidation roasting on low grade molybdenum ore are discussed.
氧化焙烧是解决低品位复杂难选菱铁矿的有效前处理工艺，氧化焙烧参数对焙烧效果影响很大。
VSR pre-turbulent regulator was employed in the gas pressurization unit at the roasting plant of SISG, therefore a steady-pressure regulation of gas flow rate and energy saving were realized.
韶钢焙烧厂煤气加压机安装使用了V SR气动预旋风调节装置，实现了对风机的等压力流量调节，并可节约电能。
The influence of reacting atmosphere, roasting temperature, and roasting time on the volatilization rate of as was studied systematically.
实验主要对反应气氛、焙烧温度、焙烧时间等影响因素进行了系统考查。
The phase transformation and weight loss rate of ludwigite in oxidizing roasting were studied by DTA-TG, isothermal TG and XRD.
利用DTA - TG、恒温tg和XRD测试方法研究了硼铁矿氧化焙烧过程中的相变和失重率。
The effects of direction leaching, H_2O_2 oxidation leaching, roasting-oxidation leaching on leaching rate of Germanium are discussed.
讨论了直接浸出、双氧水氧化浸出、焙烧氧化浸出对锗的浸出率的影响。
The results of orthogonal experiment in sulphating roasting process showed that sulfuric acid consumption affected the leaching rate significantly, then temperature and time.
通过对酸化焙烧进行正交实验发现：硫酸用量为最重要影响因素，温度和时间次之。
The effects of catalyst roasting temperature, reaction time, reaction temperature, raw material mole rate and amount of catalyst on the coversion of acrylic acid were studied.
试验考察了催化剂焙烧温度、反应时间、反应温度、原料配比和催化剂用量对丙烯酸转化率的影响。
The effects of catalyst roasting temperature, reaction time, reaction temperature, raw material mole rate and amount of catalyst on the coversion of acrylic acid were studied.
试验考察了催化剂焙烧温度、反应时间、反应温度、原料配比和催化剂用量对丙烯酸转化率的影响。
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