|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Large-scale wind turbine blade design and aerodynamic analysis显示文摘Incorporating controlled elitism and dynamic distance crowding strategies, a modified NSGA-II algorithm based on a fast and genetic non-dominated sorting algorithm is developed with the aim of obtaining a novel multi-objective optimization design algorithm for wind turbine blades. As an example, a high-performance 1.5 MW wind turbine blade, taking maximum annual energy production and minimum blade mass as the optimization objectives, was designed. A 1/16-scale model of this blade was tested in a 12 m × 16 m wind tunnel and the experimental results validated the high performance. Moreover, both the computational fluid dynamics (CFD) method and a free-vortex method (FVM) were applied to calculating the aerodynamic performance, which was consistent with the experimental data. For completeness, the CFD and FVM were used to analyze the wake structure, and good and consistent results were obtained between them. | WANG TongGuang WANG Long ZHONG Wei XU BoFeng CHEN Li | 2012 | Chinese Science Bulletin2012，57，5： | 23 |
| 2 | Assessment of stochastic models for GPS measurements with different types of receivers显示文摘The stochastic model plays an important role in parameter estimation. The optimal estimator in the sense of least squares can only be obtained by using the correct stochastic model and consequently guarantees the precise positioning in GPS applications. In this contribution, the GPS measurements, collected by different types of geodetic dual-frequency receiver pairs on ultra-short baselines with a sampling interval of 1 s, are used to address their stochastic models, which include the variances of all observation types, the relationship between the observation accuracy and its elevation angle, the time correlation, as well as the correlation between observation types. The results show that the commonly used stochastic model with the assumption that all the raw GPS measurements are independent with the same variance does not meet the need for precise positioning and the elevation-dependent weight model cannot work well for different receiver and observation types. The time correlation and cross correlation are significant as well. It is therefore concluded that the stochastic model is much associated with the receiver and observation types and should be specified for the receiver and observation types. | LI BoFeng SHEN YunZhong XU PeiLiang | 2008 | Chinese Science Bulletin2008，53，20： | 21 |
| 3 | Electro-optic lithium niobate metasurfaces显示文摘Many applications of metasurfaces require an ability to dynamically change their properties in the time domain. Electrical tuning techniques are of particular interest, since they pave a way to on-chip integration of metasurfaces with optoelectronic devices.In this work, we propose and experimentally demonstrate an electro-optic lithium niobate(EO-LN) metasurface that shows dynamic modulations to phase retardation of transmitted light. Quasi-bound states in the continuum(QBIC) are observed from this metasurface. By applying external electric voltages, the refractive index of lithium niobate(LN) is changed by Pockels EO nonlinearity, leading to efficient phase modulations to the transmitted light around the QBIC wavelength. The EO-LN metasurface developed in this study opens up new routes for potential applications in the field of displaying, pulse shaping, and spatial light modulating. | BoFeng Gao MengXin Ren Wei Wu Wei Cai JingJun Xu | 2021 | Science China(Physics,Mechanics & Astronomy)2021，64，4： | 3 |
| 4 | Genetic diversity analysis of forty-three insertion/deletion loci for forensic individual identification in Han Chinese from Beijing based on a novel panel显示文摘Due to the virtues of no stutter peaks,low rates of mutation,and short amplicon sizes,insertion/deletion(InDei)polymorphism is an indispensable tool for analyzing degraded DNA samples from crime scenes for human identifications(Wang et al.,2021).Herein,a self-developed panel of 43 InDei loci constructed previously by our group was utilized to evaluate the genetic diversities and explore the genetic background of the Han Chinese from Beijing(HCB)including 301 random healthy individuals. | Congying ZHAO Jinlong YANG Hui XU Shuyan MEI Yating FANG Qiong LAN Yajun DENG Bofeng ZHU | 2022 | Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2022，23，3： | 2 |
| 5 | Bias-corrected reg- ularized solution to inverse ill-posed models 显示文摘 | Shen Yunzhong Xu Peiliang Li Bofeng | 2012 | Journal of Geodesy2012，86，8： | 1 |
| 6 | Mixed convective heat transfer of water in a pipe under supercritical pressure显示文摘 | XU Feng GUO Liejin BAI Bofeng | 2005 | Heat Transfer-Asian Research2005，34，8： | 1 |
| 7 | Bias-corrected regularized solution to inverse ill-posed models显示文摘 | Yunzhong Shen Peiliang Xu Bofeng Li | 2012 | Journal of Geodesy2012，，8： | 1 |
| 8 | Time-Based K-nearest Neighbor Colla-borative Filtering显示文摘 | Yue Liu Zhe Xu Binkai Shi Bofeng Zh-ang | | 0，，： | 1 |
| 9 | Synergetic roadmap of carbon neutrality and clean air for China显示文摘It is well recognized that carbon dioxide and air pollutants share similar emission sources so that synergetic policies on climate change mitigation and air pollution control can lead to remarkable co-benefits on greenhouse gas reduction,air quality improvement,and improved health.In the context of carbon peak,carbon neutrality,and clean air policies,this perspective tracks and analyzes the process of the synergetic governance of air pollution and climate change in China by developing and monitoring 18 indicators.The 18 indicators cover the following five aspects:air pollution and associated weather-climate conditions,progress in structural transition,sources,inks,and mitigation pathway of atmospheric composition,health impacts and benefits of coordinated control,and synergetic governance system and practices.By tracking the progress in each indicator,this perspective presents the major accomplishment of coordinated control,identifies the emerging challenges toward the synergetic governance,and provides policy recommendations for designing a synergetic roadmap of Carbon Neutrality and Clean Air for China. | Qiang Zhang Zhicong Yin Xi Lu Jicheng Gong Yu Lei Bofeng Cai Cilan Cai Qimin Chai Huopo Chen Hancheng Dai Zhanfeng Dong Guannan Geng Dabo Guan Jianlin Hu Cunrui Huang Jianing Kang Tiantian Li Wei Li Yongsheng Lin Jun Liu Xin Liu Zhu Liu Jinghui Ma Guofeng Shen Dan Tong Xuhui Wang Xuying Wang Zhili Wang Yang Xie Honglei Xu Tao Xue Bing Zhang Da Zhang Shaohui Zhang Shaojun Zhang Xian Zhang Bo Zheng Yixuan Zheng Tong Zhu Jinnan Wang Kebin He | 2023 | Environmental Science and Ecotechnology2023，，4： | 0 |
| 10 | Tauopathy promotes spinal cord-dependent production of toxic amyloid-beta in transgenic monkeys显示文摘Tauopathy,characterized by the hyperphosphorylation and accumulation of the microtubule-associated protein tau,and the accumulation of Aβ oligomers,constitute the major pathological hallmarks of Alzheimer's disease.However,the relationship and causal roles of these two pathological changes in neurodegeneration remain to be defined,even though they occur together or independently in several neurodegenerative diseases associated with cognitive and movement impairment. | Zhuchi Tu Sen Yan Bofeng Han Cajuan Li Weien Liang Yingqi Lin Yongyan Ding Huiyi Wei Lu Wang Hao Xu Jianmeng Ye Bang Li Shihua Li Xiao-Jiang Li | 2023 | Signal Transduction and Targeted Therapy2023，8，10： | 0 |
| 11 | NR5A2 connects zygotic genome activation to the first lineage segregation in totipotent embryos显示文摘Zygotic genome activation(ZGA)marks the beginning of the embryonic program for a totipotent embryo,which gives rise to the inner cell mass(ICM)where pluripotent epiblast arises,and extraembryonic trophectoderm.However,how ZGA is connected to the first lineage segregation in mammalian embryos remains elusive.Here,we investigated the role of nuclear receptor(NR)transcription factors(TFs),whose motifs are highly enriched and accessible from the 2-cell(2C)to 8-cell(8C)stages in mouse embryos.We found that NR5A2,an NR TF strongly induced upon ZGA,was required for this connection.Upon Nr5a2 knockdown or knockout,embryos developed beyond 2C normally with the zygotic genome largely activated.However,4–8C-specific gene activation was substantially impaired and Nr5a2-deficient embryos subsequently arrested at the morula stage.Genome-wide chromatin binding analysis showed that NR5A2-bound cis-regulatory elements in both 2C and 8C embryos are strongly enriched for B1 elements where its binding motif is embedded.NR5A2 was not required for the global opening of its binding sites in 2C embryos but was essential to the opening of its 8C-specific binding sites.These 8C-specific,but not 2C-specific,binding sites are enriched near genes involved in blastocyst and stem cell regulation,and are often bound by master pluripotency TFs in blastocysts and embryonic stem cells(ESCs).Importantly,NR5A2 regulated key pluripotency genes Nanog and Pou5f1/Oct4,and primitive endoderm regulatory genes including Gata6 among many early ICM genes,as well as key trophectoderm regulatory genes including Tead4 and Gata3 at the 8C stage.By contrast,master pluripotency TFs NANOG,SOX2,and OCT4 targeted both early and late ICM genes in mouse ESCs.Taken together,these data identify NR5A2 as a key regulator in totipotent embryos that bridges ZGA to the first lineage segregation during mouse early development. | Fangnong Lai Lijia Li Xiaoyu Hu Bofeng Liu Ziqi Zhu Ling Liu Qiang Fan Huabin Tian Kai Xu Xukun Lu Qing Li Kong Feng Lijuan Wang Zili Lin Hongyu Deng Jinsong Li Wei Xie | 2023 | Cell Research2023，33，12： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员