查询词典 alumina

The a_k content in the digested liquor is one of the main technical index in the Bayer process , it has greater differences compared to that in the same alumina plant in our country.

中国铝业山西分公司氧化铝生产采用的是混联法，拜耳法主要技术指标溶出液ak与国内同行业相比，有较大的差距。

At present, in order to meet the technological requirements of producing alumina by Bayer process, flotation is widely used in removing the silicate gangue minerals in bauxite.

目前广泛采用浮选脱硅的方法脱除其中的硅酸盐脉石矿物，以适应拜耳法生产氧化铝的工艺要求。

The circulation efficiency of Bayer process stands for the alumina yielded with specific volume of circulating spent liquor in one working cycle,which directly relates to the capacity,energy and production cost.

拜耳法的循环效率是单位体积循环母液在一次作业周期中所生产的氧化铝量。

In the Bayer Process,production of alumina is limited by the rate of liquor passing through Kelly Presses.

拜耳法氧化铝生产中，溶出矿浆经重力分离沉降槽液固分离后，溢流溶液中仍然含有一定的浮游物杂质，在分解之前，需要对溢流进行二次净化，以脱除其中的浮游物。

Based on the in-depth analysis and discussion the technological process and the basic principles of the alumina production process in Bayer, three mathematical models of Bayer material balance computation were proposed for practical engineering applications in different production technology, complex engineering computing problems were first converted into non-linear multi-objective optimization problems, and the above optimization algorithms were applied to solve them and achieved excellent results.

文中讨论了各种被引入的优化算法与粒子群优化算法的融合方法与步骤问题，并给出了混合粒子群协同优化算法的收敛性定理证明。

Gallium extraction from the mother liquid of alumina production by Bayer process with industrial acylamide-oxime resin ES-346 has been studied.

研究了工业酰胺肟树脂ES-346从拜耳法溶液中提取镓。

When the bauxite was used to produce alumina with the simplest pure Bayer process, an unprecedented and best effect of digest has been obtained as the new additive of digest added. The major condition and effects of digest is listed here.

采用最简单的纯拜耳法处理一水硬铝石型A/S：5-7铝土矿生产氧化铝时，加入新型溶出添加剂获得了从未有过的最佳溶出效果，并列出了主要溶出条件和溶出效果。

The thermodynamic calculation results indicated that the formation of calcium aluminate hydrate from aluminate solution with CaO is easier than that with Ca2, and the value of αk is great at low temperature; the temperature rise leads to the reduction of stability of calcium aluminate hydrate in the aluminate solution, and it can be decomposed at high temperature, which can both substitute for Ca2 and recover alumina in the process of Bayer.

热力学计算结果表明，氧化钙较氢氧化钙更容易使铝酸钠溶液中的铝酸根离子转化为水合铝酸钙，使铝酸钠溶液的平衡苛性比能达到很高的值；水合铝酸钙随着温度的升高，稳定性降低，因而能在拜尔法高温溶出过程中分解以代替石灰，并回收其中的氧化铝。

Monotubular heater is an important apparatus in Bayer process of alumina extraction used in Pingguo Aluminum Company. However, since several years cracking in its weld joints occur and the production process is then interrupted by leaking of liquor.

单管预热器是平果铝拜尔法生产氧化铝的重要设备，经常在其焊缝区发生开裂泄露，影响生产，必须对造成其开裂的主要原因进行研究并提出有效的防护措施，以延长其使用周期。

ZA Swinging Fibre,abopting HP Alumina.Silica Powder,Zirconia as the material,melted by Resistance Furnace,blowing or swinging,is produced by swinging technology.

含锆型硅酸铝耐火纤维棉，以高纯氧化铝硅石粉及锆英沙合成为原料，经电阻炉熔融喷吹或甩丝成纤工艺生产而成。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48