Molecular sieve absorption system is adopted in the process flow to efficiently purify air and simplify fractionation system flow.
工艺流程中采用分子筛吸附系统，可有效净化原料空气，从而可以简化精馏系统的流程。
Coking in the fractionation system has been resolved by injecting slurry antifoulant and controlling the amount of slurry running down and the bottom temperature.
分馏系统加注油浆防垢剂及控制合适的外甩油浆量和分馏塔底温度，可以有效防止结焦。
This model can also be used to predict the process of chromatographic fractionation of binary surfactant mixture used in tertiary oil recovery and to select oil-displacement system.
该模型可以用来预测三次采油中采用的二元混合表面活性剂在油藏中的色谱分离过程，因而可作为选择驱油体系的工具。
The effects of root system of corn, bean and wheat on the fractionation of copper, lead, cadmium and zinc in rhizosphere in farmland soil irrigated with wastewater were studied.
采用根垫法研究了玉米、大豆和小麦根际环境对污灌土壤中铜、镉、铅、锌形态的影响。
The effects of root system of corn, bean and wheat on the fractionation of copper, lead, cadmium and zinc in rhizosphere in farmland soil irrigated with wastewater were studied.
采用根垫法研究了玉米、大豆和小麦根际环境对污灌土壤中铜、镉、铅、锌形态的影响。
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