Results 21 to 30 of about 42,970 (168)

Bearing Fault Diagnosis Based on Time–Frequency Dual Domains and Feature Fusion of ResNet-CACNN-BiGRU-SDPA

Sensors
As the most basic mechanical components, bearing troubleshooting is essential to ensure the safe and reliable operation of rotating machinery. Bearing fault diagnosis is challenging due to the scarcity of bearing fault diagnosis samples and the ...
Jarula Yasenjiang, Yingjun Zhao, Yang Xiao, Hebo Hao, Zhichao Gong, Shuaihua Han   +5 more
doaj   +1 more source

Zi Shen Wan Fang repaired blood–brain barrier integrity in diabetic cognitive impairment mice via preventing cerebrovascular cells senescence

Chinese Medicine
Background Blood–brain barrier (BBB) integrity disruption is a key pathological link of diabetes-induced cognitive impairment (DCI), but the detailed mechanism of how the diabetic environment induces BBB integrity disruption is not fully understood.
Qingsheng Yin, Genhui Yang, Runtao Su, Jie Bu, Ying Li, Han Zhang, Yanjun Zhang, Pengwei Zhuang   +7 more
doaj   +1 more source

MODERNISM [PDF]

The Journal of Theological Studies, 1908
n ...
openaire   +2 more sources

Can green finance policy promote ecosystem product value realization? Evidence from a quasi-natural experiment in China

Humanities & Social Sciences Communications
This study takes the Green Finance Pilot Zones (GFPZ) policy in China as a quasi-natural experiment and employs the synthetic control method to test the policy effect of GFPZ on ecosystem product value realization, using the province-level gross ...
Guoyong Wu, Jianwei Cheng, Fan Yang, Gaozhe Chen   +3 more
doaj   +1 more source

Fault Diagnosis of Bearings with Small Sample Size Using Improved Capsule Network and Siamese Neural Network

Sensors
This paper addresses the challenges of low accuracy and long transfer learning time in small-sample bearing fault diagnosis, which are often caused by limited samples, high noise levels, and poor feature extraction.
Jarula Yasenjiang, Yang Xiao, Chao He, Luhui Lv, Wenhao Wang   +4 more
doaj   +1 more source

Gearbox Fault Diagnosis Based on MSCNN-LSTM-CBAM-SE

Sensors
Ensuring the safety of mechanical equipment, gearbox fault diagnosis is crucial for the stable operation of the whole system. However, existing diagnostic methods still have limitations, such as the analysis of single-scale features and insufficient ...
Chao He, Jarula Yasenjiang, Luhui Lv, Lihua Xu, Zhigang Lan   +4 more
doaj   +1 more source

Research on a Wind Turbine Gearbox Fault Diagnosis Method Using Singular Value Decomposition and Graph Fourier Transform

Sensors
Gearboxes operate in challenging environments, which leads to a heightened incidence of failures, and ambient noise further compromises the accuracy of fault diagnosis.
Lan Chen, Xiangfeng Zhang, Zhanxiang Li, Hong Jiang   +3 more
doaj   +1 more source

Preparation and Antitumor Evaluation of Four Pentacyclic Triterpenoids and 10-Hydroxycamptothecin Self-Assembled Nanoparticles

Pharmaceutics
Background/Objectives: A carrier-free self-assembled nanomedicine delivery system refers to a high drug-loading nanomedicine delivery system prepared by one or more active drug ingredients through supramolecular self-assembly, which has the advantages of
Tingen Zhang, Yiwen Hu, Wenzhuo Yang, Xiaochao Huang, Linhui Zhang, Xiaotong Hou, Pengyu Shen, Ruihong Jian, Zhidong Liu, Jiaxin Pi   +9 more
doaj   +1 more source

Diagnostic Ion-Guided Isolation and Characterization of Trace Periplocin-Derived Cardenolide Metabolites from Rat Urine

Molecules
Cardiac glycosides from Periplocae Cortex are bioactive constituents, but isolating and structurally confirming their trace in vivo metabolites remains challenging because authentic standards are often unavailable.
Peng Zhao, Fanjiao Zuo, Caixia Li, Haoran Wu, Yingjing Zhao, Yanjin Li, Yameng Zhu, Ye Shang, Liqin Ding, Jun He   +9 more
doaj   +1 more source

Comparative pharmacokinetics of periplocin and its four key metabolites in rats after oral administration of periplocin and cardiac glycoside extract from Cortex Periplocae

Frontiers in Pharmacology
IntroductionCortex Periplocae has been demonstrated to possess a variety of pharmacological effects, particularly in the treatment of chronic heart failure, attributed largely to its cardiac glycosides particularly periplocin.MethodsIn order to gain a ...
Peng Zhao, Fanjiao Zuo, Caixia Li, Yingjing Zhao, Yanjin Li, Haoran Wu, Yameng Zhu, Jun He   +7 more
doaj   +1 more source