The high-purity manganese carbonate is prepared by leaching manganese with sulfur dioxide, removing impurities, carbonating and crystallizing from Xiangtan's low-grade manganese ore. 采用湘潭低品位的贫软锰矿为原料,对二氧化硫气体湿法浸锰、浸出液除杂、碳化结晶制备高纯碳酸锰的工艺进行了研究。
Our secret is that we use the power of effervescent, carbonating cleaning solutions that are so effective that we only need to use a small amount of moisture to achieve miraculous clean carpets. 我们运用发泡的二氧化碳清洗剂,它是如此的有效,以至于我们只用少量的水分就可以达到不可思议的清洗效果。
Revamp of Cooling Water System for Carbonating Tower 碳化塔冷却水流程的改造
According to the theoretic analysis, it is considered that the physical model of the random distribution of concrete components carbonating depth is coincident with normal distribution and Maxwell distribution. 根据理论分析认为混凝土构件碳化深度的随机分布物理模型符合正态分布与麦克斯韦(Maxwell)分布。
Analysis on phase diagrams of carbonating process in producing soda-na_2co_3 纯碱生产中碳酸化过程的相图分析
An approach to improve quality of aluminium hydroxide in carbonating decompostion step and its practice 提高碳分氢氧化铝质量探讨与实践
This paper introduces the construction of data channel system of the large-sized DCS and the commonly used equipment connected to the data channel. An application example of a carbonating process control for alkali making in a large-sized alkali plant is presented here. 本文介绍大型集散系的数据通道体系的结构及在数据通道上可以挂接的常用设备,并给出大型碱厂制碱碳化过程控制应用实例。
Many project practices have proved that it is of faster speed in concrete carbonating because of poor cement used, more water contained, no water-reducing agent and air-entraining agent added, poor construction quality without surface protection, as well as relative lower environmental humidity. 许多工程实践表明,采用劣质材料和较差的混凝土配合比,施工质量差,未进行表面养护,以及环境相对湿度较小时,混凝土碳化速度较快;
Specific equipment for producing light magnesium oxide by carbonating dolomite is introduced. 介绍了白云石碳化法生产轻质氧化镁的独特工艺设备;
The Way of Improving the Rate of Magnesium Recovery and Its Economic Analysis& Research on New Technique of Producing Light Magnesium Carbonate by Carbonating Dolomite 提高镁回收率的途径及效益分析&白云石碳酸化法生产轻质碳酸镁新工艺研究
In order to achieve the design goal, exhaustion and carbonating procedures need to be modified and perfected, uniformity of anode-grid space distance and grid surface treatment procedure need to be improved. 为了完全达到设计目标,尚需对试制过程中的排气与碳化工艺进行调整和完善、提高阳栅空间距离的均匀性以及改进栅极表面处理工艺。
A description is given of the cause for problems in the cooling water system for the carbonating tower and its revamp plan. 介绍了碳化塔冷却系统出现问题的原因及改造措施。
The concrete carbonating and analysis of probabilistic model 概率模型分析与混凝土碳化
The dust content in carbon dioxide gas is an important index used in the process step of carbonating decomposition in alumina production. 在氧化铝生产中,二氧化碳气体的含尘量是碳分生产工序中的一项重要指标。
Even more the carbonating trend is still forwarding for some dams with the age over 30 years. 有的坝在混凝土龄期30年以后碳化趋势尚未收敛稳定。
High attention should be paid to and the concrete should be treated timely for the damaged slab so as to retain their function due to the serious carbonating of light flat slab dam. 轻型平板坝因碳化严重,使面板挡水功能受到危害的问题,应引起高度重视,并应及时进行处理。
Surface carbonating problem of concrete dams is getting more and more serious with time. 随着时间的推移,混凝土坝表层碳化现象日益加重。
The Application of Heat Pipe in Test Research of Isothermal Radiating in Carbonating Tower for Potassium Carbonate 热管技术在碳酸钾碳化塔中等温散热试验研究
The conditions and interfering factors of the acid base titration method which has been used to determine the active components of the petrol growth substance in the carbonating solution were studied. 研究了测定碳化液中石油助长剂活性组份含量的方法&酸碱滴定法的测定条件和干扰因素;