Abstract: Order tracking (OT) is an effective fault diagnosis method for rotating machinery under variable speed conditions. Accurate instantaneous frequency (IF) is the premise of this method. In ...

Lionel Messi says “growing soccer in the United States is possible,” with some changes to MLS' salary cap rules. Leonardo Fernandez / Getty Images Lionel Messi doesn’t typically share his thoughts on ...

A judge in Illinois has temporarily blocked federal agents from using certain types of force and crowd-control measures against protesters, after video of a pastor being repeatedly shot by pepper ...

Forbes contributors publish independent expert analyses and insights. I write about TV shows, movies, video games, entertainment & culture. Another Wednesday, another Mini Crossword to solve. I’ve ...

If you are looking to micro-manage your folders in Outlook, it is essential to organize them. You can alphabetically sort out the folders to make navigation quicker and more intuitive, especially when ...

Compatibility With Different Versions of Excel . On Windows and Mac, both the SORT and SORTBY functions are supported in standalone versions of Excel released in 2021 or later and ...

Python provides us with many tools for manipulating strings. We won’t introduce them all here, but instead we’ll demonstrate a few which we’ll use in programming exercises, and then introduce more as ...

In the traditional two-step method, the homogenization group constants of the fuel assembly are calculated using the assumption of reflective boundary conditions. In the hybrid two-step method used in ...

The field of a certain database table is strings. Now we need to find the strings that contain at least 5 consecutive letters sorted alphabetically, or in other words, the longest substring in a ...