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617  Articles
1 of 63 pages  |  10  records  |  more records»
Compared with the strong background noise, the energy entropy of early fault signals of bearings are weak under actual working conditions. Therefore, extracting the bearings’ early fault features has always been a major difficulty in fault diagnosis... see more

Total rate s and cross-shore distribution of longshore sediment transport under predominantly spilling and plunging breakers were examined in the Large-scale Sediment Transport Facility (LSTF) at the U.S. Army Engineer Research and Development Center. The... see more

Nicotinic acetylcholine receptors (nAChR) play major roles in the fast synapse cholinergic transmission in the insect central nervous system, and they are recognized as potential target sites for insecticides. In this study, the full-length cDNA sequence ... see more

In 2013, China launched the Belt and Road (B&R) Initiative in an effort to promote trade and economic collaboration. This study examined the change in life expectancy (LE) among countries along B&R and studied the impact of economic development on LE. Dat... see more

Vetiver system applications in surface soil erosion control measures still seems to require further study. This is because the root of the composite system of land cultivation is a complex biological material so that the stability of the slope would be di... see more

A tunnel is a coupled system of the surrounding rock and the supporting structure. The health status of a tunnel structure is complex and is influenced by various factors. In addition, these factors are coupled and interacted with each other, which calls ... see more

A corer, which can obtain long in situ pressure-retained sediments of up to 30 m core containing gas hydrates, has been applied in the South China Sea (SCS) dozens of times. The corer presented in this paper is a convenient, efficient and economical long ... see more

Many studies have shown a link between being competent in early mathematics and achievement in school. Early math skills have the potential to be the best predictors of later performance in reading and mathematics. Movement and songs are activities that c... see more

Being one of the potentially important hydrous phases of the lower mantle, it is important to study the properties of phase H to understand the structure and composition of the mantle. The crystal structure, elastic modulus, and seismic wave velocity of p... see more

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