The key takeaway is that single-food diets may be effective for quick and temporary weight loss, but they are not effective ...

Single-stage systems offer higher efficiency and lower cost and size. However, they suffer from a reduced operating range due to the effects of irradiation and temperature. In addition, especially for ...

By carefully measuring the instantaneous frequency fluctuations of multiple commercial single-frequency lasers using a self-built optical frequency analyzer with ultra-high resolution and speed to ...