Cycle of research and development. Research and development (R&D or R+D), also known in Europe as research and technical (or technological) development (RTD), is a general term for activities in connection with corporate or governmental innovation. Research and development is situated at the front end of the innovation life cycle, which may end with commercialization.
Can I leave a tampon in overnight? Like all tampons in Australia, our U by Kotex tampons can be used for up to 8 hours, but not any longer. So, while it IS possible to wear a tampon overnight, we know that everyone has different absorbency needs, as well as different sleep patterns (letâs face it, we all like a sleep in sometimes!).
1 The first time you wear a tampon, try using Vaseline and coat the entire outer applicator with the product. 2  It helps the tampon go in easier. 3  Take spares to school, but don't use a makeup bag! 4  Your girlfriends might look through it at school and cause you embarrassment.