查询词典 film evaporator

Structure and characteristics of rotating film-evaporator are introduced, its new type and technological process have been developed to remedy the defects of the original type and flow sheet.

介绍旋转薄膜蒸发器的结构与性能。讨论了原有设备及流程的不足，以及为解决这些不足而开发出的新型设备与流程。

The throughput forecasting of thin-film evaporator is quite difficult and the precision is quite low because of high complexity of the process.By the Rosetta data analysis saddlebag based on the Rough set theory,the total process of knowledge discovery in databases was accomplished including data preparing,data analysis and the interpreting of the results.

Rough集理论[1-3]自1982年由波兰数学家Pawlak Z教授提出以来，经过20多年的研究和发展，在系统理论、计算机模型的建立和应用系统的研制开发上，已经取得了许多成果，也建立了一套完整的Rough集理论体系，特别是由于上世纪80年代末和90年代初在知识发现等领域得到成功的应用而受到国际上广泛关注。

Thin-film evaporator is used to concentrate liquid titanium in production of sulfate titanium dioxide in general.

在硫酸法钛白粉的生产过程中，一般采用薄膜蒸发器进行稀钛液的浓缩。

The structural characteristics and performance of mechanically agitated thin film evaporator as well as its application to sugar solution condensation were introduced.

介绍了高效旋转薄膜蒸发器的结构和性能特点及其在糖液浓缩中的应用，同时介绍了薄膜蒸发器在运行中出现的问题和改进措施。

The output forecasting influenced by uncertain history-data of film evaporator s is studied by Rough Set theory.

应用粗糙集理论研究了薄膜蒸发器历史数据不确定影响下的产量预测问题。

The heat transfer performance of the umbrella-plate falling film evaporator was studied, water and concentration of 5%-40% potash was used as medium in this paper.

本文以水和5％～40％的碳酸钾溶液为工作介质，对伞板式降膜蒸发器的传热性能进行了实验研究。

This paper is concerned with the theoretical analysis to obtain the effect of water inlet temperature on the performance of the proposed falling film evaporator combined with vapor-lift effect.

就提出的基于气提效应的新型复合降膜蒸发器展开了深入研究，讨论了进水温度发生变化时，该复合降膜蒸发器的水力特性和传热传质性能的变化情况。

This structure forms of multi-effect falling film evaporator at the end of the second steam condensation effect for the same temperature of water, and then discharged from the condenser.

这种结构形式的多效降膜蒸发器的末效二次蒸汽冷凝为同温度的水，然后从冷凝器排出。

The heat transfer in vertical tube falling film evaporator equipped with spring inserts is investigated the first time. All kinds of influence factors are analyzed after a larger number of experiments.

本文首次对安装有弹簧插入物的竖管降膜蒸发的传热性能进行了实验研究，并与光管的传热性能进行了比较。

The calculation model of thin film evaporator was developed, the flow of water and viscous fluid was simulated using CFX 4.4 software and the velocity distribution was obtained.

建立了薄膜蒸发器的计算模型，采用大型计算流体力学分析软件CFX4.4模拟了薄膜蒸发器内水及粘性料液的流动过程，得到了各种速度分布。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。