Giai quyet van de th&amp;iacute;ch ung v&amp;agrave; giam nhe t&amp;aacute;c dong cua bien doi kh&amp;iacute; hau o c&amp;aacute;c he sinh th&amp;aacute;i dam lay nhiet doi In-d&amp;ocirc;-n&amp;ecirc;-si-a