She reached for a Kleenex and blew her nose. 她伸手拿纸巾擤鼻涕。
Preparation of cryolite by two-step extracting of aluminum and fluoride from lithium free brine ( 1) 两步法从提锂后卤水中提铝、氟制备冰晶石(1)铝是从铝土矿中提炼出的。
Effect of Aluminum and Fluoride Interaction on Aluminum Accumulation and Transportation in Tea Plant 铝氟交互下茶树铝迁移和转化的特征研究
The paper analyzes the main problems in the aluminum fluoride spent liquor recovery of wet process after the basic principles are summarized up. 总结国内湿法氟化铝母液回收工艺过程基本原理,对湿法氟化铝母液回收过程中存在的主要问题进行了分析研究;
Quantum Chemical Study on the Function of Aluminum Fluoride in Carbon Anode for Aluminum Electrolysis 炼铝用碳阳极中三氟化铝作用机理的量子化学研究
Treatment of High Fluorine Sewage in Aluminum Fluoride Origin Liquid by Lime Method 石灰法处理氟化铝母液高氟污水的研究
New Production Process of Aluminum Fluoride as a Special Assistant in Electrolytic Aluminum Industry 电解铝工业专用助剂氟化铝生产新工艺
A variety of fluorides can be produced with this process, such as ammonium fluoride, sodium fluoride, aluminum fluoride, cryolite, etc. 用该工艺可制得多种氟化物,如氟化铵、氟化钠、氟化铝、冰晶石等;
The Characterization of ALCOA Aluminum Fluoride Calcining System 阿尔可(ALCOA)氟化铝煅烧系统特征
In view of the production situation of aluminum fluoride and cryolite in the plant, the feasibility of using the mother liquor from wet-method aluminum fluoride production as an absorption liquor in the production of hydrofluoric acid from cryolite is analyzed and discussed. 针对焦作市多氟多化工有限公司氟化铝、冰晶石的生产情况,充分利用氟化铝母液中各种有用成分,对湿法氟化铝母液用于砂状冰晶石工艺中***生产的吸收液的可行性进行了分析、探讨。
Experimental Research on Taking silicon off Aluminum Fluoride Origin Liquid 氟化铝母液脱硅方法的实验研究
Study on crystallization behavior of sodium aluminum fluoride by ammoniating method 氨化法合成氟铝酸钠结晶行为研究堇青石结晶行为研究
Aluminum fluoride mother liquid is acid waste liquid which consisted of fluorine 、 aluminum and silicon. 氟化铝母液是以氟、铝、硅三组分为主要成分的酸性废液。
Analysis on Characteristics and Form of Mother Liquid of Aluminum Fluoride 氟化铝母液的特征及形态分析
Backward integration is also implemented, therefore the industries of pre-baked anode, aluminum fluoride and alumina should be developed quickly. 实施后向一体化,加快发展预焙阳极、氟化铝、氧化铝。
Development of Aluminum Fluoride Automatic Feeding System for Large-size Aluminum Anode Cell 大型铝电解槽氟化铝自动加料系统的开发
Experimental Study on the Drying Property of Aluminum Fluoride 氟化铝干燥特性的实验研究
The application of X-ray fluorescence spectrometry in aluminum production for various materials is described. Such as raw material, middle material, aluminum hydroxide, alumina, carbonaceous materials are used in the production of aluminum, cryolite and aluminum fluoride, aluminum and aluminum alloys etc. 介绍X射线荧光光谱法用于氧化铝、铝生产过程中各种材料的分析,如原料、中间物料、氢氧化铝、氧化铝、铝用炭素、氟化盐、铝及其合金等。
The third reaction is more and more obviously, and the aluminum fluoride complexes are different in condition of 90 ℃. 90℃以上,氟铝配合物与铝硅酸盐三次反应愈来愈明显。
The technique improvement of oil to coal burning system in aluminum fluoride burning/ cooling section is presented. 介绍瓮福氟化铝装置产品煅烧/冷却系统由燃油改为燃煤的技术改造。
Effect of aluminum fluoride on microstructure and properties of mullite-corundum kiln furniture AlF3对莫来石-刚玉质窑具性能与显微结构的影响
The by product, fluorosilicic acid, from production of wet process phosphoric acid in Chinese large sized phosphate compound fertilizer plants is mostly used to produce aluminum fluoride. 我国大型磷复肥装置中湿法磷酸副产的氟硅酸多用于生产氟化铝。
As a buffer fluid, acetic acid can help maintain a low pH in the acid-rock reaction system, reducing the amount of damaging precipitants ( such as calcium fluoride, ferric hydroxide, aluminum hydroxide, and aluminum fluoride etc.) generated in the acid treatment of sand. 作为缓冲液,能维持酸岩反应体系的低pH值,减小氟化钙、氢氧化铁、氢氧化铝、氟化铝等砂岩酸化中二次反应伤害沉淀物。
Study of Production of Aluminum Fluoride from Ammonium Bicarbonate 碳酸氢铵法制氟化铝的研究
After separation and processing, aluminum fluoride and by-products, ammonium sulfate and silica, are obtained, respectively. 经分离和加工后,可分别制得氟化铝产品和副产品硫酸铵、白炭黑。
Interaction of aluminum fluoride treatment trials, with and without aluminum sulfate treatment facilities compared to aluminum sulfate treatment facilities will reduce the soil content of the various forms of fluoride. 铝氟交互处理试验中,与不施硫酸铝处理相比,施硫酸铝处理会降低土中各形态氟的含量。
Field test results show that the three proposed aluminum fluoride addition control strategies and the corresponding software system are feasible, practical and effective in energy saving. 现场试验结果表明,所提出的氟化铝添加量控制策略及开发的相应软件系统有效可行,实用性强,节能效果显著。
A lot of instant foods are also detected aluminum fluoride content exceeded. 很多速食食品中也都同时检出氟、铝含量超标。
Fluoride level of the facilities compared to the overall growth of rice plants was no significant difference in the situation, but the number of tillers but with the facilities and aluminum fluoride fluorine content ratio was significantly increased with the decreasing trend. 各施氟水平相比,水稻植株的整体生长形势无明显差异,但分蘖数却随施氟量和铝氟比的增加而呈极显著的降低趋势。
In aluminum industry, the molar ratio of sodium fluoride to aluminum fluoride is termed as cryolite ratio. 铝工业上把氟化钠对氟化铝的摩尔数之比称为分子比。