62 results about "Biomimetic Devices" patented technology

The invention discloses a military portable biomimetic device for obtaining water from atmosphere and relates to the device for obtaining the water from the atmosphere. The invention aims to solve the problems that an existing method for obtaining the water from the atmosphere is high in energy consumption and complicated in steps, and the device is large in size and inconvenient to carry. The device disclosed by the invention comprises a water obtaining net, a fixing needle, a piece of super-hydrophobic cloth, a shrinkable framework, a supporting framework, a shrinkable pull rod, a positioning spring, a threaded pipe, a water purifier, a water collecting cylinder and a bracket, wherein the super-hydrophobic cloth is fixedly arranged on the supporting framework; the water obtaining net is arranged above the super-hydrophobic cloth; one end of the shrinkable framework is connected with the supporting framework, and the other end of the shrinkable framework is connected with one end of the shrinkable pull rod; the positioning spring is fixedly arranged at the other end of the shrinkable pull rod; the supporting framework is connected with the threaded pipe through a hinge; the lower part of the threaded pipe is connected with the water collecting cylinder; the water collecting cylinder is connected with the threaded pipe through screw threads; the water purifier is arranged inside the threaded pipe; the outside of the threaded pipe is connected with the bracket through the hinge. The device disclosed by the invention is low in energy consumption, high in efficiency, free of pollution and applicable to preparation of the water from the atmosphere in wild.

The invention relates to a method for detecting the influence of cigarette smoke on the mRNA expression of aquaporin 5 cells, belonging to the technical field of biological applications. The present invention uses biochemical and cytological methods, uses BMP6 to treat cells, and simulates the cell microenvironment when Sjögren's syndrome occurs, so as to study the influence of cigarette smoke on the expression of AQP‑5, which is simpler than animal experiments , high efficiency; the oral bionic simulation device is used in the capture of cigarette smoke, which is more suitable for the actual human smoking state; at the same time, the fluorescence quantitative PCR method is used to compare the influence of different samples on the expression of AQP‑5 mRNA in real time , thus providing a new rapid method for evaluating the efficacy of cigarette smoke.

The invention discloses an O-Ti-Sb-Te-based synaptic bionic device used in an artificial neural network. O‑Ti‑Sb‑Te material is used as a storage medium in synaptic biomimetic devices, which can realize the conversion between multi-state resistance values ​​under the action of electrical signals. Under the operation of electrical signals, the synaptic biomimetic device based on O‑Ti‑Sb‑Te series phase change materials can provide a resolution close to 8 bits in the intermediate state resistance value, and the difference in switch resistance can reach 100 times. Under the same pulse operation The linear response of the resistance to the number of pulses is realized, and it has excellent electrical properties as a synaptic bionic device.

The invention discloses an electric hands-rubbing bionic device, in which only very simple lead screws, nuts, double-sided racks, gears, connecting rods, sliders whose centers are hinged on the frame or centers fixed on the frame are used. The guide piece on the cylindrical outer surface realizes the complex planar movement imitating hands rubbing, and rubbing tools with different functions are fixed at the lower end of the connecting rod to form various electric hands rubbing bionic devices with different functions. The structure of the bionic device is extremely simple, the cost is particularly low, and the work reliability is high, which can meet the needs of different industries for the kneading bionic device. This is in sharp contrast to the existing bionic devices with large and complex structures and extremely high cost, and can be widely used.

The invention discloses an N-Ti-Sb-Te-based synaptic bionic device used in an artificial neural network. The present invention is used for preparing the storage medium of synaptic bionic device, which is N x (TiSb y Te z ) 100‑x , where 0.1≤x≤5, 0.25≤y / z≤4, and 12≤y+z≤50. The material can realize the repeated conversion of multi-state high and low resistance values ​​under the operation of electrical signals, and maintain the resistance value unchanged in the absence of operation signals; wherein 500 picoseconds≤electrical signal pulse width≤500 nanoseconds. The synaptic biomimetic device based on the N‑Ti‑Sb‑Te series phase change materials can provide a resolution close to 8 bits in the intermediate state resistance value under the operation of electrical signals, and the switch resistance difference can reach 1000 times. Under the same pulse operation The linear response of resistance to the number of pulses is realized, and it has excellent electrical properties as a synaptic bionic device.

The invention discloses an electric hands-rubbing bionic device, in which only very simple linear motors, racks, gears, connecting rods, sliders whose centers are hinged on the frame or cylindrical outer surfaces whose centers are fixed on the frame are used The guide piece realizes the complex planar motion imitating hands rubbing, and rubbing tools with different functions are fixed at the lower end of the connecting rod to form various electric hands rubbing bionic devices with different functions. The structure of the bionic device is extremely simple, the cost is particularly low, and the work reliability is high, which can meet the needs of different industries for the kneading bionic device. This is in sharp contrast to the existing bionic devices with large and complex structures and extremely high cost, and can be widely used.