本发明涉及一种聚能增速自动开合活叶式风力机。
The invention relates to an auto on-off loose-leaf wind power machine which can gather energy to increase the speed.
然后对升阻型垂直轴活叶风力机进行运动学分析和动力学分析，建立了数学模型。
Then kinematics and dynamics of lift-drag-type vertical axis wind turbine of living leaves is analyzed and mathematical model is established.
磺酰脲类除草剂可被植物的根、茎和叶强烈吸收，并在植株内迅速传导转移和代谢，快速代谢失活是作物对该类除草剂的选择性基础。
Sulfonylurea herbicide can be absorbed by roots, stetro and leaves, and rapidly transported and metabolized in plants. Rapid metabolize is the basis of selectivity of this kind of herbicide.
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