Bentonite absorbent modified by La and La - ti was prepared with macerationmethod.
通过浸渍法制备镧和镧钛改性膨润土吸附剂,探讨了处理含磷废水的最佳条件。
2
Method: Water extracts and ethanol extracts were obtained by macerationmethod, while petroleum ether extract was obtained by soxhlet's extracter.
方法:用浸渍提取法从洋虫中得到水提取物和乙醇提取物,用索氏提取器提取得到石油醚提取物。
3
The leaf form and structure of 1 Mezzettiopsis species and 9 Orophea species were comparatively studied with the help of scanning electron microscope, epidermal maceration and paraffin section method.