3 results about "Microwave effect" patented technology

Devices and methods that use returned power (RP) measurements during microwave energy delivery to perform one or more functions. For example, such microwave devices and systems with one or more features to measure the returned microwave power. One or more measurements of the returned microwave power may be used to obtain information about one or more of: antenna shape, system status and system performance. One or more measurements of the returned microwave power shaping elements may also be used to obtain information about one or more properties of the target material. Devices and methods for delivering microwave energy to a variety of target materials to achieve a variety of desired microwave effects.

The present application relates to the technical field of solid waste treatment, and provides a method for preparing high-purity hydrogen by using waste plastic self-derived carbon nanotubes, which comprises the following steps: S1, mixing plastic and multi-element nanometer metal catalyst, adding microwave absorber to obtain a mixture, wherein the multi-element nanometer metal catalyst comprises Ni, Al and Fe; S2, microwave heating the mixture in inert gas to obtain hydrogen and self-derived carbon nanotubes; S3, reloading the self-derived carbon nanotubes with the multi-element nanometer metal catalyst, adding in step S1, and microwave heating reaction in step S2 to obtain high-purity hydrogen. The method for preparing hydrogen by using waste plastic self-derived carbon nanotubes can further improve the hydrogen yield by more than 20%, and the hydrogen yield reaches 62.55 mmol / g, and the hydrogen purity is greater than 90 vol%.

The embodiment of the application discloses a kind of NV color center scanning probe, microscope, the NV color center scanning probe includes diamond carrier, NV color center and microwave radiation mechanism;NV color center is located inside diamond carrier, diamond carrier includes the detection surface towards sample;Microwave radiation mechanism includes metal film belt;Metal film belt is circumferentially arranged around detection surface;Metal film belt is opened with gap in circumference, and the both ends of gap are respectively connected with external circuit, for generating microwave magnetic field when energized.The NV color center scanning probe provided by the embodiment of the application, by setting annular metal film belt on the probe, solve the problem of high power consumption and high thermal load of traditional microwave structure, also ingeniously optimize the performance of NV color center through micro-thermal effect, ensure the consistency of microwave effect in scanning process, provide technical support for high-resolution, high-uniformity NV color center quantum sensing and scanning imaging in extremely low temperature environment.