铁渣的

The results show that the major crystalline phases present in the Noranda copper slag are fayalite, magnetite, copper matte, glassy phase as well as small amount of metallic copper.

结果表明，诺兰达铜渣的主要矿相为铁橄榄石、磁铁矿、铜锍、玻璃相和少量金属铜。

The results of mineralogy show that the main ferrous mineral is fine magnetite, which exists in ferruginous glass partly as inclusion texture.

工艺矿物学研究结果表明：该渣中主要含铁矿物的嵌布粒度细小，且部分以微细包裹体形态分布于成分复杂的铁质玻璃体中，采用常规磁选工艺无法有效回收。

The results show that the decomposition rate of ammonium jarosite can reach 98.03% under the following optimum conditions, which are m m=0.381 41, temperature 60 ℃, liquid-solid ratio 21, reaction time 2 h. During the alkaline decomposition, the impurity elements, such as Zn, In, Cu, Cd, Pb, Sb, Sn and Ag are left in the residue, while As is leached into the pregnant solution as AsO43 with leaching rate of 83.36%.

结果表明：在 m m=0.381 41、温度60 ℃、液固比21、反应时间2 h的最优条件下，铁矾渣的分解率达到98.03%，而原料中的杂质金属，如Sn、Sb、Zn、In、Cu、Cd、Pb和Ag等绝大部分留在分解渣中，As则以AsO43的形态大部分进入溶液，浸出率达到83.36%。

By the Test, we find out the better technological conditions, the results show that the secondary magnetic-spiral and spiral -magnetic are the better flowsheet for the pyrite cinders. Under the action of muriatic acid and hydrofluoric acid, the content of sulphur, silicon, lead, copper are descend to 0.21%, 8.26%, 0.053%, 0.023%. A total iron concentrate containing 62.34% Fe is obtained with recovery of 78.08% Fe.

通过试验，得到较优的工艺条件，结果表明，两段磁选—螺旋溜槽是较适合于该种硫铁矿烧渣的工艺流程；再经HCl、HF等酸浸脱杂降硫除铅，获得品位为62.34％，回收率为78.08％的铁精矿产品，S、SiO_2、Pb、Cu的含量分别降为0.21％、8.26％、0.053％、0.023％。

The effect of roasting temperature, roasting time and the reducer dosage on the leaching ratio has been studied. The best process condition is cinder/ lignite is 1/0.8, the roasting temperature is 800, the roasting time is 20min. The second is vitriol lixiviate.

本工艺分四个阶段进行：首先是硫铁矿烧渣的还原焙烧，探讨了焙烧温度、焙烧时间和还原剂用量对铁的还原浸出率的影响，得到的最佳工艺条件为烧渣：褐煤=1：0.8，焙烧温度800℃，焙烧时间20min。

The characteristics of grain growth of metallic phase in direct reduction of high phosphorus oolitic hematite by carbon are discussed in the paper.

研究鄂西高磷鲕状赤铁矿直接还原过程中金属铁颗粒的长大特性，并着重讨论还原温度、渣相碱度及反应时间对铁颗粒长大的影响。

Then came the climaxing strike—the accolade, so to speak—which in a single instant transmuted the perishable dross of notoriety into the enduring gold of fame: Punch caricatured me!

然后就来了登峰造极的幸运——可以说是像武士受勋那种味道——于是转瞬之间就把容易消灭的铁渣似的丑名声一变而为经久耐磨的黄金似的好名声了：《诣趣》杂志登了描写我的漫画！

Then came the climaxing strike—the accolade, so to speak—which in a single instant transmuted the perishable dross of notoriety into the enduring gold of fame: Punch caricature d me!

然后就来了登峰造极的幸运——可以说是像武士受勋那种味道——于是转瞬之间就把容易消灭的铁渣似的丑名声一变而为经久耐磨的黄金似的好名声了：《诣趣》杂志登了描写我的漫画！

MgO-C brick has a good erosion resistance but Al〓O〓-C brick is better. Corrosion mechanism for refractory without carbon is that FeO and oxides of molten slag take place chemical reaction with constituents of refractory and forming low fusing point compounds to be dissolved in molten slag. For those refractory containing graphite carbon is to be decarburized in advance and to form decarburizing layer and metamorphosis layer. The subsequent corrosion is decarburizing and taking chemical reaction to form low fusing point compounds and dissolved in molten slag at the same time.

铁浴中硅和钛的扩散是影响铁浴及熔渣与耐火材料作用的重要因素，耐火材料中添加的TiO〓和SiC受熔渣氧化和侵蚀，将被部分还原形成Si，Ti向铁浴中扩散，Si、Ti在铁浴中的扩散研究结果是： D〓=1.84×10〓exp（－5988.7/T） cm〓/S E〓=49766 J/mol D〓=7.76×10〓exp（－53225.5/T） cm〓/S E〓=442304 J/mol 铁浴式熔融还原熔体对粘土砖，高铝砖，镁砖的侵蚀速度很高，镁碳砖抗侵蚀能力比前几种耐火材料强，但不如铝碳砖；对不含碳耐火材料在熔体中的侵蚀是熔渣中FeO及其它氧化物与耐火材料组分的化学反应形成低熔点物熔蚀进入渣相，产生损毁。

Since FeO is more stable than Cu2O, the FeS is oxidized in preference to Cu2S and the FeO formed is fluxed with SiO2 to form iron silicate slag.

由于 FeO 比 Cu2O 更稳定，因此 FeS 优先于 Cu2S 氧化，形成的氧化铁与二氧化硅熔融形成硅酸铁渣。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。