If the "Status" in OPAC is " in laboratory ", the book is not in the library because it is rented to a laboratory. If another book is available, we recommend using it.
If there is no book, but in laboratory, please talk to the "Holding library" counter, and they will contact the laboratory.
List of Libraries in Nagoya University: https://www.nul.nagoya-u.ac.jp/guide/map/index_e.html
It will take a few days to order. Also, please note that the loan period may be shorter than usual, or it may not be available due to circumstances.
If it is not available, you can also use the Interlibrary Loan Services, so please consider it. https://www.nul.nagoya-u.ac.jp/guide/ILL_guide_e.html#book