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- Extraction and Separation of Insecticidal Constituents from Acorus Calamus L. 水菖蒲的杀虫活性成分提取与初步分离。
- METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L . 方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油,采用气相色谱-质谱联用技术进行分析鉴定。
- OBJECTIVE:To analyze and compare the chemical constituents of volatile oil of rhizome and root in Acorus calamus L. 目的分析比较水菖蒲根状茎和根挥发油化学成分。
- Study on Chemical Constituents of Volatile Oil in Rhizome and Root of Acorus calamus L. 水菖蒲根状茎与根挥发油化学成分研究。
- Acorus calamus L. [医] 菖蒲，白菖
- Calamus L. [医] 白藤属
- OBJECTIVE:To analyze and compare the chemical constituents of volatile oil of rhizome and root in Acorus calamus L.METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L . 目的分析比较水菖蒲根状茎和根挥发油化学成分。 方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油,采用气相色谱-质谱联用技术进行分析鉴定。
- The results indicated the COD, TN and TP could be removed from the floating bed system of Acorus calamus L and the mixed floating bed system of Acorus calamus L and Yperus slternifolius, respectively. 监测结果表明菖蒲与风车草混种及菖蒲浮床系统对试验河水中有机物和N、P的去除较好。
- An experimental study using artificial roughness selected to simulate Acorus calamus L, and four densities, has been conducted to investigate its influence on the flow resistance and structure. 试验中，研究了菖蒲的四种分布密度对水流的阻力和水流结构的影响。
- 1.OBJECTIVE:To analyze and compare the chemical constituents of volatile oil of rhizome and root in Acorus calamus L. 目的分析比较水菖蒲根状茎和根挥发油化学成分。
- London is spelt with a capital L'. London一字中L是大写的。
- Acorus calamus L 水菖蒲
- extract from Acorus calamus L. 水菖蒲萃取物
- My main concern is with the W's and L's. 我关注的是一场比赛的输赢。
- I charge you not to forget what l have said. 我告诫你不要忘记我所说的话。
- The floor was littered with ravel(l)ings. 地板上布满了散线。
- The punch level(l)ed him to the ground. 这一拳将他击倒在地。
- Mom: Son, these plants are sprigs of calamus and mugwort. 妈妈:儿子呀，这些是菖蒲和艾草。
- The soldier level(l)ed his rifle at the target. 士兵举起步枪瞄准靶子。
