7 results about "Ultra sensitive" patented technology

The application discloses a bionic scorpion hair airflow detection sensor device and an airflow detection device, and belongs to the technical field of sensors.The airflow detection sensor comprises a bionic scorpion hair stem, a hemispherical cage seam unit and a packaging circuit base.The bionic scorpion hair stem is made through 3D printing, the surface of the bionic scorpion hair stem simulates the flat asymmetry and rotating geometric shape of a scorpion hair, can effectively reduce flow field resistance and inhibit flow field vortex-induced vibration, and the four-direction surface of the hemispherical cage seam unit is respectively coated with a metal conductive layer to super-sensitively perceive the vibration mode and posture of the scorpion hair in the flow field environment.The bionic scorpion hair stem is pressed through deflection of a ball cage, so that the resistance values of the metal conductive layers in four different directions on the surface of the ball cage change, therefore, the change mode of the resistance values can effectively reflect information such as the flow rate, flow speed and flow direction of the airflow.

The invention discloses a UV pressure-sensitive adhesive for a protective film and a preparation method of the UV pressure-sensitive adhesive. The UV pressure-sensitive adhesive for the protective film comprises polyether polyol, aliphatic diisocyanate, dibutyltin dilaurate, hydroxyl acrylate, methylhydroquinone, an acrylate reactive diluent, a bifunctional crosslinking monomer and a photoinitiator. The pressure-sensitive adhesive is prepared by three steps of synthesizing urethane acrylate, preparing glue and preparing a protective film, the viscosity of the pressure-sensitive adhesive at 25 DEG C is 500-2000 mPas, and the pressure-sensitive adhesive is good in flowability, suitable for a high-linear-speed coating process, free of organic solvent, environmentally friendly, low in carbon, capable of being prepared by mixing at room temperature and short in process. The pressure-sensitive adhesive provided by the invention has the advantages of no residual adhesive, no fog shadow, excellent cohesive strength, high temperature resistance and weather resistance, solves the problems of high VOC emission, difficulty in balancing low viscosity and high performance and the like of the traditional pressure-sensitive adhesive, and is suitable for the limit protection requirement of a super-sensitive surface.

The present disclosure provides compositions with ultra sensitivity for detecting a biomarker and the method of use thereof. In one embodiment, the composition comprises (1) a capture probe capable of binding to a biomarker and comprising a nucleic acid having a tail polynucleotide sequence; (2) a poly-oligonucleotide conjugate comprising a carrier conjugated with a plurality of oligonucleotides, wherein each oligonucleotide comprises a first region comprising multiple repeating polynucleotide sequences, wherein at least one of the plurality of oligonucleotides comprises a second region capable of directly or indirectly associating with the tail polynucleotide sequence; and (3) a plurality of label probes, wherein each label probe capable of directly or indirectly associating with the repeating polynucleotide sequence, wherein the capture probe, the poly-oligonucleotide conjugate and the plurality of label probes form a complex.

The application discloses a noise resistance and adaptability measuring method based on beta band time gradient measurement, characterized in that two types of abnormal data sensing test tasks, i.e., a music condition and a noise condition, are set, and the brain electrical signals of the tested personnel in the two types of tasks are collected; the baseline normalized band power average value of the beta band in the time window of 300-400 ms in the Fz channel of the tested personnel under different tasks is calculated; the minimum time gradient serial number between the beta power of the music.abnormal and the noise.abnormal, the music.normal and the noise.normal is calculated respectively; the smaller the minimum time gradient serial number, the stronger the noise resistance; if the minimum time gradient serial number is smaller, the stronger the noise adaptability; if the same tested personnel is represented as noise.normal, the tested personnel is of a normal sensitive type to noise; if the same tested personnel is represented as noise.hyper, the tested personnel is of a hyper sensitive type to noise; and the method has the advantages that the noise resistance and adaptability of the tested personnel are objectively and directly evaluated.

The present disclosure provides compositions with ultra sensitivity for detecting a biomarker and the method of use thereof. In one embodiment, the composition comprises (1) a capture probe capable of binding to a biomarker and comprising a nucleic acid having a tail polynucleotide sequence; (2) a poly-oligonucleotide conjugate comprising a carrier conjugated with a plurality of oligonucleotides, wherein each oligonucleotide comprises a first region comprising multiple repeating polynucleotide sequences, wherein at least one of the plurality of oligonucleotides comprises a second region capable of directly or indirectly associating with the tail polynucleotide sequence; and (3) a plurality of label probes, wherein each label probe capable of directly or indirectly associating with the repeating polynucleotide sequence, wherein the capture probe, the poly-oligonucleotide conjugate and the plurality of label probes form a complex.

The present application relates to the technical field of piezoresistive functional materials, and particularly relates to a flexible piezoresistive sensor with an anti-impact structure and a preparation method thereof. The flexible piezoresistive sensor with the anti-impact structure comprises a first flexible anti-impact component and a second flexible anti-impact component which are oppositely arranged and have the same structure. The first flexible anti-impact component is provided with a plurality of hollow first tooth-shaped cavities, a first flexible loose layer wrapping one side of the first tooth-shaped cavities, and a first taper angle wrapping the other side of the first tooth-shaped cavities. The first flexible loose layer and the first taper angle surround the first tooth-shaped cavities to form closed and hollow first tooth-shaped cavities. The first flexible anti-impact component is connected with a first electrode. The second flexible anti-impact component has the same structure as the first flexible anti-impact component. The first taper angle is in contact with a second taper angle. The present application realizes a super-sensitive sensing function for subtle load changes. The first flexible loose layer and the second flexible loose layer are extruded, and the tooth-shaped cavities in the interior can greatly absorb the energy of violent loads.

The invention discloses a noise resistance and adaptive capacity measuring method based on beta-band time gradient measurement, which is characterized by comprising the following steps of: setting two types of abnormal data perception test tasks of musical sound conditions and noise conditions, and collecting electroencephalogram signals of a tested person in the two types of tasks; calculating a normalized band power average value of a base line of a beta band within a time window of 300-400ms in an Fz channel under different tasks of the tested personnel; the smaller the minimum time gradient sequence number of beta power having no statistical difference between the abnormal, the musical sound, the normal and the noise is, the higher the noise resistance capability is, and the smaller the minimum time gradient sequence number of beta power having no statistical difference between the abnormal, the musical sound, the normal and the noise is; if the noise is smaller, the noise adaptability is higher; if the same person to be tested is detected, the person to be tested is in a noise normal sensitive type; if yes, the detected person is in a noise hypersensitive type; the method has the advantage of objectively and directly evaluating the noise resistance and adaptability of the tested person.