精馏

The flow direction and packing fraction in membrane contactors were also investigated. Baffles in the shell side were found to have good effect on separation and therefore set in counter flow operation of parallel mode.

此外，为更好地提高新型中空纤维膜结构填料的分离效率，研究了膜接触器中流体的流动方式和填充密度对精馏分离性能的影响，确定了壳层挡板对现有平流运行方式的改善作用，并进行了有效的挡板设计和试运行。

Aviation kerosene is one of the main products of distillation process; dry point is an index reflecting its quality, which is obtained in laboratory every 8 hours.

航空煤油是精馏装置的主要产品之一，干点值是衡量航煤质量的一个重要参数指标，是由化验室每隔一定时间进行一次采样分析得到。

Made by the destructive distillation of wood.

精馏提炼或提纯，尤指通过蒸馏的方法来提纯

The dynamic model and its control method of batch distillation column are studied in this paper.

本文围绕着间歇精馏塔对其动态数学模型及其控制方法进行了研究。

How to control rectification column equipments accurately is directly related with the quantity and quality of chemical products.

在化工生产中，如何精准地控制精馏装置直接关系到化工企业产品的质量和产量以及能源消耗。

In this paper, a closed*.loop gain shaping algorithm for MIMO system is presented. It is applied to a high purity distillation column, good control effect and robust stability are obtained.

给出了MIMO系统的闭环增益成形算法，将之应用于精馏塔的控制中，取得了良好的控制效果和鲁棒稳定性。

In this paper, a closed*.loop gain shaping algorithm for MIMO system is presented. It is applied to a high purity distillation column, good control effect and robust stability are obtained.

摘 要：给出了MIMO系统的闭环增益成形算法，将之应用于精馏塔的控制中，取得了良好的控制效果和鲁棒稳定性。

Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation.

以乙醇和叔丁醇为反应物，采用反应精馏法合成了乙基叔丁基醚。

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。