7results about How to "Accurate sensing" patented technology

An electrochemical sensor includes a working electrode, a counter electrode, and a substrate supporting the working electrode and the counter electrode, the working electrode is a chip-shaped electrode having a diamond film and a support, a redox reaction occurs on the surface of the diamond film when a predetermined voltage is applied between the working electrode and the counter electrode in the presence of a test sample, the support is formed of a material other than diamond and supports the diamond film, and the working electrode is mounted on the substrate with the support on the substrate side and at least a part of the side surface of the support exposed.

A kind of double electrode arc seal glue structure's intelligent ring, it includes: ring body;Intelligent electrical component is fixed in the inside of the ring body;Seal glue layer is encapsulated in the inside of the ring body, and the intelligent electrical component is covered;The intelligent electrical component includes double sensor electrode;The double sensor electrode is embedded in the seal glue layer, and the electrode contact end of the double sensor electrode is exposed to the inner surface of the seal glue layer;The inner surface of the seal glue layer is continuous smooth circular arc surface, and the outer peripheral surface of the seal glue layer is adapted and closely adheres to the inner side wall of the ring body, the inner surface of the seal glue layer is set as continuous smooth circular arc surface, the convex platform and step structure in the prior art are completely cancelled, and the smooth wearing surface without convex and step is formed in the inside of the ring body.When wearing, the inner ring of the ring is in uniform contact with the finger, does not jam hand, does not press finger, does not cover sweat, and is more friendly for long-term wearing.

A quantum data processing system and method are provided. A computer-implemented method may include: storing multiple copies of a quantum state in a quantum memory, wherein the quantum state encodes properties of a target system; loading the multiple copies of the quantum state in the quantum memory into a quantum computer; processing the multiple copies of the quantum state by the quantum computer to obtain a purified quantum state; and measuring the purified quantum state to determine properties of the target system.

An automatic material conveying device and method, the automatic material conveying device comprises a crown block, a bearing plate, a photoelectric sensing mechanism and a reflection mechanism. The photoelectric sensing mechanism is installed on the crown block. The reflection mechanism comprises a trigger part, a reflection plate and a transmission part, the reflection plate and the transmission part are located below the bearing plate, the trigger part is connected with the reflection plate through the transmission part, the trigger part can move up and down relative to the bearing plate, when the first surface of the bearing plate is free of material, one end of the trigger part protrudes from the first surface of the bearing plate, and the reflection plate is in a first position; when the first surface of the bearing plate has material, one end of the trigger part is pressed down by the material and moves downward, and the reflection plate is driven to move to a second position through the transmission part; when the reflection plate is in the first position, the reflection plate can receive light from the photoelectric sensing mechanism, and the photoelectric sensing mechanism generates a first signal; when the reflection plate is in the second position, the reflection plate cannot receive light from the photoelectric sensing mechanism, and the photoelectric sensing mechanism generates a second signal.

The application relates to a piezoelectric composite material, in particular to a self-powered and self-sensing piezoelectric composite material and a preparation method and application thereof, and comprises the following steps: S1: adding PVDF and barium titanate into a resin solution, carrying out layering with reinforcing fibers after stirring and mixing, and curing and forming; S2: placing the composite material obtained in the step S1 in a strong electric field for polarization, and then packaging to obtain the piezoelectric composite material. Compared with the prior art, the application solves the problem that the nanogenerator cannot be well applied to composite material structure health monitoring in the prior art, realizes good application of the piezoelectric composite material in the composite material structure health monitoring, and realizes self-powered real-time online self-sensing monitoring of the structure health state of the composite material by using the piezoelectric nanogenerator principle.

The invention belongs to the technical field of photoelectric functional materials, and discloses a multi-acid-group photoelectric functional material with a reverse photoconduction programmable switching characteristic, and a preparation method and application of the multi-acid-group photoelectric functional material. The polyacid-based photoelectric functional material with the reverse photoconduction programmable switching characteristic is inorganic-organic hybrid polyniobium oxysalt, the chemical composition of the polyacid-based photoelectric functional material is [Ni (BTP)] 4 [Nb10O26]. 35H2O, BTP is a Bis-tris propane organic ligand, and the Bis-tris propane organic ligand is a Bis-tris propane organic ligand. When the multi-acid-group photoelectric functional material with the reverse photoconduction programmable switching characteristic is constructed into a photoelectric device and applied with external bias voltage and illumination, the photoconduction response polarity can be reversibly switched between positive photoconduction and reverse photoconduction, and reversible switching is regulated and controlled by excitation light wavelength and environment relative humidity. The method has important application value in the fields of photoelectric detection, environment sensing and multi-stimulus response optoelectronic devices.

The utility model discloses a logging is with horse collar and logging device, this horse collar includes the casing, one end of casing is equipped with the cable connection subassembly for clamping logging cable, the cable connection subassembly includes the connecting sleeve, the chuck for clamping logging cable and the pressure sleeve subassembly for the stripping layer of clamping logging cable, the connecting sleeve is connected with casing, the chuck sets up in the side of connecting sleeve away from casing, the pressure sleeve subassembly sets up between chuck and casing.