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   _____     ___    __    __   _    _    __   __  
  / ___//   / _ \\  \ \\ / // | || | ||  \ \\/ // 
  \___ \\  / //\ \\  \ \/ //  | || | ||   \   //  
  /    // |  ___  ||  \  //   | \\_/ ||   / . \\  
 /____//  |_||  |_||   \//     \____//   /_//\_\\ 
`-----`   `-`   `-`     `       `---`    `-`  --`

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Text this: Non-newtonian liquid-gas non-uniform stratified flow with interfacial level gradient through horizontal tubes