查询词典 alumina

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。

Many kinds of treatment are used for fluoride removal. Conventional methods including coagulant sedimentation, active alumina adsorption, bone char adsorption are not suitable for rural areas owing to operation and management. Membrane methods for defluoridation, such as electric infiltration and reverse osmosis, have the advantage of convenient application, simple operation and good adaptability.

用于饮用水除氟的水处理技术有多种，常规除氟技术的有混凝沉淀法、活性氧化铝吸附法、骨炭吸附法，常规除氟技术由于受技术操作、管理、运行等要求影响，不宜在农村使用，膜法除氟技术，如电渗析、反渗透等应用方便，操作简单，适宜性强。

Founded in November 2003, mainly engaged in building materials, iron ore, alumina powder bulk of international trade, the export of cement companies have a set of comprehensive methods of operation.

公司成立于2003年11月，主要经营建材、铁矿砂、氧化铝粉等大宗国际贸易，公司对水泥的出口具有一整套完善的操作方法。

I plant of the chromium oxide, alumina ceramic coating and has a tungsten carbide metal-resistant coating wear, corrosion resistance, high temperature, and other fine performance.

我厂所制备的氧化铬、氧化铝陶瓷涂层和碳化钨金属涂层有着耐磨损、耐腐蚀、耐高温等优良性能。

Methylene chloride ; catalytic combustion ; catalyst ; vanadium pentoxide ; chromium trioxide ;γ-alumina ; pottery ; waste gas treatment

二氯甲烷；催化燃烧；催化剂；五氧化二钒；三氧化铬；γ-氧化铝；陶瓷；废气处理

It belongs to fuel processing technology field. It includes the following steps: using alumina industrial waste red mud as material; drying and grinding; adding red mud fine powder into 200-350 screen mesh coal powder by the weight of the former is 10-20% of the latter; mixing uniformly and spraying 5-10% water; forming coal ball by hydraulic press; its pressure is 10-30MPa.

本发明的氧化铝生产厂的废料赤泥为原料，烘干研磨，然后在一定量的200～350目的煤粉中添加上述赤泥细粉，加入量为煤粉重量的10～20％，经共同研磨混合均匀后，喷洒5～10％的水，再次混合均匀，随后用液压机将上述混合物压制成煤球；所用压力为10～30MPa；最终制成具有较高煤炭燃烧率的型煤。

In this paper, based on a pill-box window model with a conical-shaped alumina ceramic and Ansoft HFSS software, the relation of VSWR with various electrical parameters in th...

本文在前人工作的基础上，基于圆锥形陶瓷盒形输出窗模型，采用Ansoft HFSS三维计算软件的优化模拟，对该输出窗模型的驻波频率特性与各种结构参量的关系进行了优化模拟，分析了该输出窗片结构变化对其表面的电场分布，功率流分布、热量分布的影响，得出最优模型参数。

The company professionally produces ceramics, industrial ceramics, alumina ceramics, core vent etc., and had made great contribution to the national producing capability in new-type high-performance electronic ceramics.

公司专业生产陶瓷、工业陶瓷、氧化铝陶瓷、排气塞等产品，并且为新型高性能电子陶瓷的国产化作出了重要的贡献。

Products in other areas also include UHT Taiwan pneumatic electric polishing machine, Japan will sharply XBC oilstone alumina fiber grams, Japan Nippon Steel Carbon Fiber Super oilstone, Japan shield super sharp fiber oilstone, China grinding wheel, grinding wheel Norton, Taiwan (1 products) diamond paste, diamond grinding rods, diamond grinding wheel repair knife, diamond file, diamond grinding wheel, polishing head, wire-cutting brass with electrodes, copper, import machine accessories, precision measuring tools Sanfeng Japan, West Germany H + S gasket, such as a series of comprehensive range of mold-specific supplies.

在其他方面的产品还包括台湾UHT气动电动抛光机，日本XBC锐必克氧化铝纤维油石、日本新日铁碳纤维超级油石、日本犀利盾超级纤维油石，中国砂轮、诺顿砂轮，台湾钻石膏、钻石磨棒、钻石砂轮修刀、钻石锉刀、钻石砂轮、抛光头、线切割用电极铜管、铜线、进口机床配件、日本三丰精密测量工具、西德H+S垫片等一系列品种齐全的模具专用耗材。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。