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| 1 | Design and Experiment of four Lines Trailed Potato Fertilization Seeder显示文摘In order to solve the problems which are widespread in potato seeding planter, such as lower operating efficiency, unideal performance index, higher replay rate and leakage rate and uneven spacing sowing in seeding operating, a trailed potato fertilization seeder was designed. The key components of the special structure had been got through the description of the structure and working principle of the whole machine. A crossing seed-taken technology along with the vibration component was adopted to achieve precision seeding. The results showed in the field test of the machine: all the performance indexes of the machine met the agronomic requirement of potato planting; the multiple and missing index were low; it completed the ditching, fertilizing, seeding as well as ridging in one planting process; its operation efficiency was high and the stability was good. This design of the trailed potato fertilization seeder provided a reference for the development of large traction-type potato seeding machine. | Lv Jin-qing Dui Han Sun He Peng Man-man | 2018 | Journal of Northeast Agricultural University(English Edition)2018，25，3： | 2 |
| 2 | Failing hemodialysis access grafts: evaluation of complete vascular tree with 3D contrast enhanced MR angiography with high spatial resolution: initial results in 10 patients显示文摘 | Han KM Dui JL Thelissen G | 2003 | Radiology2003，227，2： | 1 |
| 3 | Improved resilience measure for component recovery priority in power grids显示文摘Given the complexity of power grids,the failure of any component may cause large-scale economic losses.Consequently,the quick recovery of power grids after disasters has become a new research direction.Considering the severity of power grid disasters,an improved power grid resilience measure and its corresponding importance measures are proposed.The recovery priority of failed components after a disaster is determined according to the influence of the failed components on the power grid resilience.Finally,based on the data from the 2019 Power Yearbook of each city in Shandong Province,China,the power grid resilience after a disaster is analyzed for two situations,namely,partial components failure and failure of all components.Result shows that the recovery priorities of components with different importance measures vary.The resilience evaluations under different repair conditions prove the feasibility of the proposed method. | Guanghan BAI Han WANG Xiaoqian ZHENG Hongyan DUI Min XIE | 2021 | Frontiers of Engineering Management2021，8，4： | 0 |
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