A comparative study of row and column storage for time series data

L Li, F Pu, Y Li, J Xu - International Conference on Spatial Data and …, 2023 - Springer
Over the past few decades, researchers have done massive research on data storage
structures of relational databases. The existing research mainly focuses on the analysis and …

Check for A Comparative Study of Row and Column Storage for Time Series Data Lu Li, Feifan Pu, Yi Li, and Jianqiu Xu~) Nanjing University of Aeronautics and …

L Li, F Pu, Y Li, J Xu - … SpatialDI 2023, Nanchang, China, April 13 …, 2023 - books.google.com
Over the past few decades, researchers have done massive research on data storage
structures of relational databases. The existing research mainly focuses on the analysis and …

Unregistered Hexaphenoxycyclotriphosphazene and Its Metabolite Antagonize Retinoic Acid and Retinoic X Receptors and Cause Early Developmental Damage

F Wu, R Chen, Y Li, Y Wan, J Hu - Environmental Science & …, 2023 - ACS Publications
Hexaphenoxycyclotriphosphazene (HPCTP), an unregistered chemical, has been used as a
substitute for triphenyl phosphate in flame retardants and plasticizers. Here, we identified its …

Coupling urban 3‐D information and circuit theory to advance the development of urban ecological networks

…, H Yin, I Dronova, F Fei, J Chen, Y Pu… - Conservation …, 2021 - Wiley Online Library
Ongoing, rapid urban growth accompanied by habitat fragmentation and loss challenges
biodiversity conservation and leads to decreases in ecosystem services. Application of the …

Preparation and modification of antibacterial polyurethane foam for oil–water separation

G Zhang, H Sun, Q Gong, Y Xie, F Fei, L Fan - Journal of Materials …, 2023 - Springer
… capacity of polyurethane foam. In this study, the amino acids modified polyurethane foam
was coated with polydopamine/modified carbon nanotubes to obtain polyurethane foam with …

Planning and Control for Robot-Assisted Feeding System Towards the Disabled

F Dai, Z Pei, P Wang, W Chen - Journal of Shanghai Jiaotong University …, 2024 - Springer
Eating is an essential activity for the disabled with upper limb impairments, and therefore
numerous feeding robots are born. However, safety and reliability are two basic elements to …

GaussTS: Towards Time Series Data Management in OpenGauss

L Li, X Zhang, F Pu, Y Li, J Xu, Z Zhong - … Conference on Web and Big Data, 2023 - Springer
The rapid advancement of sensor technology presents novel challenges in the efficient
management of large scale time series data. In this demo, we demonstrate a time series data …

Multi-functional self-healing polyurethane elastomer based on chair conformation for strain sensors

Y Zhu, Y He, W Lu, H Tian, F Fei, P Zhou… - Journal of Materials …, 2024 - pubs.rsc.org
… The synthesized polyurethane … , the polyurethane was encapsulated with conductive ink
to validate its sensing capabilities through motion monitoring. This multifunctional polyurethane

Enhanced Q-axis Voltage Integral Damping Control for Fast PLL-Synchronized Inverters in Weak Grids

F Chen, L Zhao, L Harnefors, X Wang… - … on Power Electronics, 2023 - ieeexplore.ieee.org
… , the maximum achievable PLL bandwidth for the system without proposed control is 0.05
pu Yet, when the gain of the proposed control is set to 10 pu, the system is still stable when the …

Dynamics enhancement for power synchronization control with asymmetric ac voltage controller in strong grids

F Chen, L Zhao, L Harnefors, J Kukkola… - … IEEE Conference on …, 2023 - ieeexplore.ieee.org
Power synchronization control (PSC) is designed for weak grid connections originally and
its performance is weakened when connected to a strong grid. In this paper, an asymmetric …