Chelating cellulose is of simple preparation, excellent nature and low cost.
螯合纤维素制备工艺简单，性能优越，成本低廉。
The preparation method has simple steps, low cost, high yield and easy production.
该制备方法步骤简单、成本低、产率高，易于生产。
The invention has simple preparation process and low cost.
本发明制备工艺简单，成本低。
The preparation process has simple process, convenient operation, low cost and easy industrial application.
本发明制备工艺简单，操作方便，成本低，易于产业化应用。
The preparation method has the advantages of reasonable design, simple process and low cost.
本发明制备方法设计合理，工艺简单，成本低。
The invention realizes easy material availability, simplified preparation, low cost, and quick effect.
本发明的特点是取材容易、制备方便、费用低廉、见效快。
The preparation method of the catalyst is simple and has low cost.
该催化剂制备方法简单，成本低廉。
The preparation method has low production cost and is suitable for scale industrial production.
本发明的制备方法生产成本低廉，适合规模化的工业生产。
The preparation method is simple and has low cost and less pollution to environment.
本发明的制备方法简单，成本低，对环境污染小。
The preparation process is simple and has low cost.
其制作生产工艺简单、成本低。
The preparation process is simple and has low cost.
其制作生产工艺简单、成本低。
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