3results about How to "Reduce technology requirements" patented technology

This invention discloses a weak force sensor based on a teardrop-shaped micro / nano optical fiber and its fabrication method. The sensor comprises a biconical micro / nano optical fiber, a single-conical optical fiber, a quartz capillary tube, and a PDMS microsphere. The biconical micro / nano optical fiber is symmetrically bent, with the central waist region fiber forming a teardrop-shaped ring. The two ends of the teardrop-shaped micro / nano optical fiber ring are sequentially connected to portions of the waist region fiber, a transition region fiber, and a standard fiber. This invention utilizes the sensitive self-sensing capability of micro / nano optical fibers to achieve integrated signal input and output, greatly simplifying the measurement feedback mechanism of the sensing system and reducing overall cost. Furthermore, it is simple and intuitive to operate, reducing the technical requirements for operators. In terms of sensor fabrication, the main raw materials are standard optical fiber and quartz capillary tube, both of which are extremely low-cost. Therefore, this micro / nano optical fiber sensor exhibits significant cost-effectiveness.

The present invention relates to a novel walnut antioxidant peptide and a preparation method and application thereof. The oxidized walnut meal source polypeptide comprises polypeptide 1, polypeptide 2, polypeptide 3, polypeptide 4 or a combination thereof, and the amino acid sequences are shown as SEQ ID NO.1, SEQ ID NO.2, SEQ ID NO.3 and SEQ ID NO.4, respectively. Compared with other preparation technologies of fermentation and hydrolysis of proteins, the preparation method of the walnut meal antioxidant peptide of the present invention can effectively reduce the demand for equipment and technology in the production process, and can be industrially produced on a large scale. The prepared walnut antioxidant peptide has strong activity and high safety, and can meet the use requirements of various health food industries.

The invention discloses a cooperative flight system based on spherical unmanned aerial vehicle magnetic attraction grabbing and collision docking, and belongs to the technical field of unmanned aerial vehicles, the system comprises an unmanned aerial vehicle and connecting arms arranged on the unmanned aerial vehicle, a control module of the unmanned aerial vehicle, and external force is sensed through collision detection so as to adjust the attitude of the unmanned aerial vehicle for docking of the connecting arms; a threaded connecting piece matched with the other unmanned aerial vehicle is arranged on the connecting arm, and the control module controls the unmanned aerial vehicle to axially rotate with the connecting arm as the axis so as to complete fixed connection between the unmanned aerial vehicles; the unmanned aerial vehicle is provided with a spherical shell, a through hole is formed in the shell, a magnetic attraction assembly is arranged on the portion, on the outer side of the through hole, of the spherical shell, preliminary butt joint of the unmanned aerial vehicle is completed through magnetic attraction, the connecting arm is a telescopic bent L-shaped cantilever, and after threaded connection is conducted through the cantilever in the vertical state, the cantilever continues to stretch so that preliminary butt joint stripping of the magnetic attraction assembly can be achieved; and the other unmanned aerial vehicle rolls horizontally, so that the two unmanned aerial vehicles are parallel, and the bottoms of the two unmanned aerial vehicles are connected through a cantilever bent into an L shape.