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| 1 | Seasonal Variations of Mesospheric Densities Observed by Rayleigh Lidar at Golmud,Qinghai显示文摘From Aug.2013 to Oct.2015,a Rayleigh lidar has been used to study the middle atmosphere at Golmud(36.25°N,94.54°E),Qinghai,located in the northeastern part of the Tibetan Plateau.Mesospheric density profiles from 50 to 90 km were retrieved based on 205 nights of lidar observation,with a total of 1616hours of operation.We compared our lidar density measurements with SABER observations onboard TIMED satellite and MSIS-00 model data.The results showed that the annual mean density measured by lidar agreed well with SABER data,but both were lower than that of MSIS-00.All datasets exhibited dominant annual oscillation in the mesosphere.From 63 to 85 km,the annual amplitude of lidar density is larger than those of SABER and MSIS-00.PDD(Percentage of Density Difference)was calculated to investigate the mesospheric density climatology.The largest density variations of lidar,MSIS-00,and SABER occurred at around 72 km.Both lidar and SABER PDD reached their maximum in May,about one month earlier than the MSIS-00;while the minimum PDD appeared in late December for all datasets. | DAI Yaru PAN Weilin QIAO Shuai HU Xiong YAN Zhaoai BAN Chao | 2020 | 空间科学学报2020，40，2： | 3 |
| 2 | H2 solubility and mass transfer in anthraquinone working solution: Experimental and modeling study显示文摘This work was focused on the measurement of the solubility of hydrogen(H_2) in anthraquinone working solution at temperatures of 30.0–80.0 °C and pressures of 0.2–3.0 MPa by the method of experimental and COSMO-RS model study. The influence of various factors, i.e., including pressure, temperature and solvent volume ratio, on H_2 solubility was investigated. According to the experimental results, H_2 solubility in anthraquinone working solution increases with the increase of pressure. At low pressures, the temperature had little effect on H_2 solubility while under high pressures H_2 solubility increases with increasing temperature. Henry's constant lnH has a good linear relationship with 1/T(lnH =- 1319.1/T + 9.91). The effect of volume ratio of trioctyl phosphate to trimethylbenzene on the solubility of hydrogen was studied and the results showed that increasing the amount of trimethylbenzene was conducive to the dissolution of hydrogen. In addition, there is a linear relationship between ln((P0- Pe) /(Pt- Pe)) and the time t. Gas–liquid mass transfer coefficient was obtained by calculating the slope of the line. | Zhigang Lei Yaru Guo Yanyan Guo Xinxin Li Chengna Dai | 2017 | Chinese Journal of Chemical Engineering2017，25，2： | 2 |
| 3 | Fast Distance Protection Scheme for Wind Farm Transmission Lines Considering R-L and Bergeron Models显示文摘The distributed capacitance of the line becomes larger as the scale of wind farms,the transmission voltage level,and the transmission distance increase.Hence,the error of the traditional time-domain distance protection scheme based on the R-L model,which ignores the distributed capacitance of the line,becomes unacceptable.Therefore,the error of the time-domain fault location method based on the R-L model,especially the maximum error range,is theoretically analyzed in this paper.On this basis,a novel fault location method based on the RL and Bergeron models is proposed.Then,a fast time-domain distance protection scheme is designed.In the proposed scheme,the error in the fitting calculation is used to construct a weight matrix,and an algorithm for solving the time-domain differential equations is designed to improve the calculation speed and stability.Compared with the traditional frequency-domain distance protection scheme,the proposed scheme is independent of the power supply characteristics;thus,it is suitable for wind farm transmission lines.In addition,compared with the traditional method based on the R-L model,the proposed scheme effectively avoids the negative influence of the distributed capacitance of the line,which significantly improves the operating speed.Different types of faults are simulated by PSCAD/EMTDC to verify the effectiveness and superiority of the proposed scheme. | Zepeng Hu Bin Li Yuping Zheng Tonghua Wu Jiawei He Bin Yao Yaru Sheng Wei Dai Xindong Li | 2023 | Journal of Modern Power Systems and Clean Energy2023，11，3： | 2 |
| 4 | Single-Cell Transcriptome Analyses Reveal Signals to Activate Dormant Neural Stem Cells显示文摘 | Yuping Luo Volkan Coskun Aibing Liang Juehua Yu Liming Cheng Weihong Ge Zhanping Shi Kunshan Zhang Chun Li Yaru Cui Haijun Lin Dandan Luo Junbang Wang Connie Lin Zachary Dai Hongwen Zhu Jun Zhang Jie Liu Hailiang Liu Jean deVellis Steve Horvath Yi Eve Sun | 2015 | Cell2015，，5： | 1 |
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