Ancient Chinese astronomer Shi Shen’s star catalog, known as The Star Manual of Master Shi, is now considered the oldest star ...

Laser frequency combs are light sources that produce evenly spaced, sharp lines across the spectrum, resembling the teeth of ...

Abstract: Vertex-frequency analysis (VFA) is a useful technique in graph signal processing to extract the correspondence between frequencies and vertices. VFA can be calculated by the windowed graph ...

Optional sortable table view, after selecting this view, select a climate index and data period. The table is displayed before the graph. Selected data is loading, please wait. An index is a measure ...

People wishing to alter their period frequency should speak with a doctor to determine the most suitable options. Ibuprofen can help with pain and cramping associated with a period. Ibuprofen can ...

“The first period after stopping birth control may be heavier, longer, and more painful than usual,” says Chadwick Leo, DO, medical director of Pardee OB/GYN Associates in ...

A rat may not be up to the task of selecting a great wine pairing for your dinner anytime soon, but some new research shows ...

School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an, Shaanxi, P. R. China School of Science, Xi’an University of Architecture and Technology, Xi’an, Shaanxi, P. R.

School of Electrical Engineering and Automation, Tianjin University, No. 92, Weijin Road, Nankai District, Tianjin, China, Tianjin 300072, China ...