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    题名 作者 年代 出处 被引量
1PERFORMANCE OF ULTRA-LOW FREQUENCY PASSIVE VERTICAL VIBRATION ISOLATION SYSTEM WITH REVERSE PENDULUM显示文摘A novel long period passive vertical vibration isolator constructed by mounting reverse pendu-lums on two pairs of torsion springs is presented.By theoretical analysis and nmnerical calculation,it isshown that the isolator can achieve much longer resonant period due to gravitational positive feedback and issmaller in size than the current torsion spring isolators with the same geometric parameters.Zhao Pengfei Huang Yuying Tang Mengxi Sun Shijun 2002Acta Mechanica Solida Sinica2002,15,1:2
2Evaluation of leaf morphology, structure and biochemical substance of balloon flower ( Platycodon grandiflorum (Jacq.) A. DC.) plantlets in vitro under different light spectra显示文摘Mengxi Liu Zhigang Xu Shirong Guo Canming Tang Xiaoying Liu Xuelei Jao 2014Scientia Horticulturae2014,,:1
3Perturbed Effect of the Gravitational Wave Produced by Microwave Electromagnetic Cavity on Detecting Electromagnetic Field显示文摘Perturbed effect of high-frequency gravitational radiation produced by microwave electromagnetic(EM)cavity on static detecting EM field is investigated,and corresponding perturbation solutions have been given.It is found that the gravitational wave(GW)beam propagating along symmetric axis of the cavity is purely+type polarized in transverse traceless coordinate system,and it can make the static EM field generate a cumulative perturbed effect which is proportional to the time.For the gravitational radiation wave beams propagating along other directions,they are usually mixed radiation of+and x type polarization.Quality factor of the cavity plays a key role in interaction strength of the GW with the detecting EM field.LI Fangyu LUO Jun TANG Mengxi 1994Chinese Physics Letters1994,11,6:0
4Dual Power Allocation Optimization Based on Stackelberg Game in Heterogeneous Network with Hybrid Energy Supplies显示文摘In heterogeneous network with hybrid energy supplies including green energy and on-grid energy, it is imperative to increase the utilization of green energy as well as to improve the utilities of users and networks. As the difference of hybrid energy source in stability and economy, thus, this paper focuses on the network with hybrid energy source, and design the utility of each user in the hybrid energy source system from the perspective of stability, economy and environment pollution. A dual power allocation algorithm based on Stackelberg game to maximize the utilities of users and networks is proposed. In addition, an iteration method is proposed which enables all players to reach the Stackelberg equilibrium(SE). Simulation results validate that players can reach the SE and the utilities of users and networks can be maximization, and the green energy can be efficiently used.Shiyu Ji Liangrui Tang Mengxi Zhang Shimo Du 2017China Communications2017,14,10:0
5An alternative splicing variant of mineralocorticoid receptor discovered in preeclampsia tissues and its effect on endothelial dysfunction显示文摘The pathophysiology of preeclampsia(PE)remains unclear.PE spiral artery remodeling dysfunction and PE offspring cardiovascular future development has been a worldwide concern.We collected placental and umbilical artery samples from normotensive and PE pregnancies.Mineralocorticoid receptor(MR)and its alternative splicing variant(ASV)expression and their biological effects on PE were examined.An MR ASV was found to be highly expressed in all PE samples and slightly expressed in about half of the normotensive samples(umbilical artery,~57.58%;placenta,~36.84%).The MR ASV expression was positively associated with blood pressure in both groups.The MR ASV protein changed the aldosterone-induced expression pattern of MR target genes related to ion exchanges and cell signaling pathways.The MR ASV can also impair the proliferation,migration,and tube formation ability of endothelial cells.These findings indicate that MR ASV in PE placenta plays a pathogenic role in PE pathophysiology,especially in endothelial dysfunction,and the existence of the MR ASV in PE umbilical artery provides a new direction in the study of PE offspring with increased risk of cardiovascular diseases.Mengxi Guo Chengliang Zhou Gufeng Xu Lin Tang Yechun Ruan Ying Yu Xianhua Lin Dandan Wu Hao Chen Priscilla Yu Luyang Jin Yinyu Wang Yimei Wu Kamran Ullah Tanzil Ur Rahman Xinmei Liu Jianzhong Sheng Hsiao-Chang Chan Hefeng Huang 2020Science China(Life Sciences)2020,63,3:0
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