The driving effect of the AKCZ policy on FDI in cities is examined by constructing a time heterogeneity model, as shown in Equation 13 ... in FDI data for cities in western China, the standard ...

All participants signed a written consent form. Trial registration number NCT02368938 ... Left atrial volume is calculated using the ellipse model formula: In this equation, SA1 is the M-mode left ...

Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar ...

Diophantus of Alexandria revolutionized algebra with Arithmetica, pioneering symbolic notation and abstract number theory.

The New York Times looks for intelligent, literate, entertaining and well-crafted crosswords that appeal to the broad range of Times solvers. Submissions will temporarily close starting May 22 ...

Are you planning a trip to Thailand from May 1? You will now have to complete a pre-departure digital form, a move that will allow authorities to track travellers more efficiently amid a widening ...

Preparing for the PNB SO Exam 2025 requires a solid understanding of Quantitative Aptitude, which plays a crucial role in the selection process. This section tests not only your numerical ability but ...