71 results about "Stress induction" patented technology

Microchip devices and methods of manufacture thereof are provided to increase the uniformity and reliability of active exposure and release of microchip reservoir contents. In one embodiment, the microchip device for the controlled release or exposure of molecules or secondary devices comprises: (1) a substrate having a plurality of reservoirs; (2) reservoir contents comprising molecules, a secondary device, or both, located in the reservoirs; (3) reservoir caps positioned on the reservoirs over the reservoir contents; (4) electrical activation means for disintegrating the reservoir cap to initiate exposure or release of the reservoir contents in selected reservoirs; and (5) a current distribution means, a stress induction means, or both, operably engaged with or integrated into the reservoir cap, to enhance reservoir cap disintegration.

The invention relates to a stress inductor and an assembly method thereof. The stress inductor comprises a circuit substrate, a pointing actuating part and a metal back plate, wherein the circuit substrate has a stress induction structure, and the stress induction structure comprises a stress deformation area and a plurality of stress induction resistors; the pointing actuating part is arranged on the top surface of the circuit substrate and connected with the stress induction structure; and the metal back plate is provided with at least one jointing material coating area, and a plurality of fixedly connected edges of the circuit substrate are fixedly connected in the jointing material coating area. The assembly method for the stress inductor is applied to the stress inductor and comprises the following steps of: combining the pointing actuating part to the top surface of the circuit substrate; and fixedly connecting the fixedly connected edges of the circuit substrate to the at least one jointing material coating area of the metal back plate. The stress inductor has a few elements, and has the advantages of small size and low cost; and because the circuit substrate is directly fixedly connected on the metal back plate, the assembly method for the stress inductor simplifies the assembly step and promotes the assembly efficiency.

The invention discloses a device for testing the thrust force of an automobile side sliding door, which comprises a test bench, a pressure adjusting device, a connecting device, a forcing device and a forcing piece; the pressure adjusting device, the connecting device, the forcing device and a forcing rack or a forcing block are connected in turn; the forcing device is fixed on the test bench. The device for testing the thrust force of the automobile side sliding door also comprises a display screen, a stress induction device and a data connecting wire; the forcing rack or the forcing block which is provided with the stress induction device is connected with the display screen through the data connecting wire. The building cost of the tester and the test bench is low; with small cost input, a simulation test bench set which can accurately evaluate the capacity of resisting lateral force by the automobile side sliding door and a retaining element can be built up.

The invention relates to an automatic adjustment human pile and pace analysis device used for wushu training, belongs to the technical field of medical instruments. The technical scheme of the invention is that the automatic adjustment human pile and pace analysis device used for wushu training comprises a pace training analysis device base body, and the pace training analysis device base body is provided with a pace analysis sensing pad; the pace analysis sensing pad is provided with stress induction lines, the right side of the pace analysis sensing pad is provided with a light blocking register hole, the upper side of the pace training analysis device base body is provided with a fixed supporting angle iron. The automatic adjustment human pile and pace analysis device used for wushu training is complete in function and convenient to use, the operation is simple when wushu stake training and pace analysis guidance are performed, time and labor are saved, the device is safe and practical, high-efficient and rapid, scientific and accurate, and the training intensity of a wushu trainer is relieved.

A method for inducing stress in a device channel includes forming a stress adjustment layer on a substrate, the stress adjustment layer including an as deposited stress due to crystal lattice differences with the substrate. A device channel layer is formed on the stress adjustment layer. Cuts are etched through the device channel layer and the stress adjustment layer to release the stress adjustment layer to induce stress in the device channel layer. Source/drain regions are formed adjacent to the device channel layer.

The invention discloses a method monitoring fatigue service life of a crane beam; the method comprises the following steps: recording position information of the crane beam; setting position information of fatigue checking computation points for the crane beam; setting up a corresponding stress amplitude function for each the fatigue checking computation point of the crane beam, wherein the stress amplitude function uses hoisting weight and walking position as input variables; using the corresponding stress amplitude function to calculate a stress amplitude formed on the fatigue checking computation point by a hoisting object in each walking process of the crane beam; converting the stress amplitude of the fatigue checking computation point of the crane beam into a stress amplitude cycle index indicating fatigue life. The method can monitor the fatigue service life of the crane beam without needing a stress induction sheet, so monitoring cost and construction difficulty cannot be obviously improved by increasing number of the crane beams and fatigue checking computation points.

The invention provides a spatial pre-embedded type three-dimensional stress monitoring system and method for underground coal and rock mass and belongs to the technical field of coal and rock mass safety. The system is characterized by comprising an inductive output device (3) fixed in the coal and rock mass (1), the inductive output device (3) at least comprises a stress induction module (12), a stress detection unit for detecting three-dimensional stress of the coal and rock mass (1) is arranged in the stress induction module (12), and output signals of the stress detection unit are led out by a signal line (6). The method comprises a stress monitoring process and a temperature compensation process performed before the stress monitoring process. According to the spatial pre-embedded type three-dimensional stress monitoring system for the underground coal and rock mass, the stress in three directions of the coal and rock mass can be detected, the pressure coming direction and the size of the stress of the coal and rock mass are judged more accurately, and accordingly, the safety of underground construction is improved.

An underground pipeline safety monitoring device based on the stress induction technology comprises a Bragg fiber sensing module, a data processing module and an alarm prompting module. The data output end of the Bragg fiber sensing module is connected with the data input end of the data processing module, and the data output end of the data processing module is connected with the data input end of the alarm prompting module. According to the underground pipeline safety monitoring device, Bragg fibers and gratings are applied, the stress condition of a pipeline is judged through remote stress induction, the stress condition of the pipeline is monitored in real time, and therefore when the stress exceeds the limiting value, the device can give an alarm in time, and the disastrous accidents are avoided.

The invention discloses a method for achieving tractor shearing stress sensing by using magnetic induction. The method comprises the following steps that (1) an excitation magnetic core is arranged sothat a magnetic induction line of the excitation magnetic core is fixedly perpendicular to a paper surface and diverges outwards; (2) the left and right edges of the excitation magnetic core are respectively provided with a first induction magnetic core,a second induction magnetic core,a third induction magnetic core and a fourth induction magnetic core of which the induction surfaces are parallel to a paper surface so that an included angle between the longitudinal profile where the a magnetic pole of the excitation magnetic core is located and the longitudinal profile where magnetic poles of the induction magnetic cores are located is 90 degrees; (3) induction coils with the same number of turns wind the first induction magnetic core,the second induction magnetic core,the third induction magnetic core and the fourth induction magnetic core respectively; and (4) the first induction magnetic core,the second induction magnetic core,the third induction magnetic core,the fourth inductionmagnetic core and the excitation magnetic core are placed on a shearing stress induction area so that the side surfaces of the first induction magnetic core,second induction magnetic core,third induction magnetic core and fourth induction magnetic core can receive induction forces. The method for achieving the tractor shearing stress sensing by using the magnetic induction has the advantages thatthe shearing stress detection during the tractor operation can be can precisely achieved so that the resistance suffered by the tractor can be precisely induced.

The invention relates to a new technology for functionalization reaction by fusing ANF squeezing polyolefin material, belonging to field of modifying polymer material. It comprises following steps: dissolving ethylene monomer into solvent and mixing it with polyolefin material, stewing, adding lubricant after solvent volatilization, filling them into parallel spin reverse-flighted screw extrusion machine with high rotation speed and high cutting, the squeezing temperature is between 160 to 350 Deg. C, the rotation speed of main bolt is between 350 to 1200 rmp, cooling, grain cutting and drying and getting final product. The method can inhibit or avoid cross bonding secondary reaction during functionalization reaction, increase grafting rate for function product and flux flowing speed, and is characterized by simple, high effective and easiness for industrialization.

The invention discloses a plant high-pH saline-alkaline tolerance gene SucHP and researches the expression of a high-pH saline and alkaline stress induction gene in a common seepweed herb seedling period by using suppression subtractive hybridization and high-density lattice film technology. The plant high-pH saline-alkaline tolerance gene SucHP can be prepared by the following steps of: firstly separating a gene of a coding tonoplast proton pump from common seepweed herbs; constructing a sense expression vector of the gene; and converting Arabidopsis. A transgenic plant has high high-pH saline-alkaline tolerance and can normally grow under the conditions of 100mM NaHCO3+200mM NaCl and 8.5 of pH. The plant high-pH saline-alkaline tolerance gene SucHP can be used for plant genetic transformation and increases plant saline and alkaline resistance.

The invention discloses a preparing device and method of directional carbon nano tube reinforced metal matrix composite material. The preparing device and method are used for solving the problem that an existing preparing device prepares the directional carbon nano tube reinforced metal matrix composite material difficultly. According to the technical scheme, the bottom of a crucible is provided with an electromagnetic stirrer, an opening of the crucible is provided with an ultrasonic amplitude rod, the crucible is communicated with a gas pressure tank through a gas conveying pipe provided with a reducing valve, and is communicated with a female die barrel through a liquid conveying pipe, an exhaust pipe provided with a valve is used for exhausting gas, the crucible and the female die barrel are placed in a first resistance furnace and a second resistance furnace to be heated, a coil is placed outside the second resistance furnace of the female die barrel, the upper portion of the female die barrel is sealed through a male die and an upper cushion block, and the lower portion of the female die barrel is sealed through a forming die and a lower cushion block. According to the preparing device and method, even dispersion of carbon nano tubes in metal liquid is achieved through an electromagnetic field and ultrasonic coupling, then the directional carbon nano tube reinforced metal matrix composite material is formed by means of the coupling function of magnetic filed induction and stress induction.

The invention discloses Phyllostachys heterocycle PeVQ28 protein and a coding gene and application thereof. The amino acid sequence of the protein is as shown in SEQ ID No. 1, coding DNA sequence (CDS) is as shown in SEQ ID No. 2, and the cDNA sequence overall length of the Phyllostachys heterocycle PeVQ28 gene is as shown in SEQ ID No. 3. The PeVQ28 gene has high expression under different-degreesalt stress induction. The fact that the salt resistance of transgenic wild arabidopsis obtained by using a agrobacterium tumefaciens mediated inflorescence impregnating method to transfer a PeVQ28 gene expression vector into wild Arabidopsis is evidently increased shows that the PeVQ28 gene can increase the salt resistance of the transgenic Arabidopsis. A plant material obtained by using the Phyllostachys heterocycle PeVQ28 gene expression vector has certain adaptability to an external salt stress environment, and promising application prospect is achieved.

The invention discloses an electronic skin and a preparation method thereof. The electronic skin includes a mica substrate, a 50% Nb-doped BaTiO3 semiconductor thin film layer covering the mica substrate, and a platinum electrode covering the semiconductor thin film layer, the thickness of the mica substrate is 0.02-20 [mu]m, the thickness of the semiconductor thin film layer is 5-200 nm, and thethickness of the metal electrode is 5-200 nm. The electronic skin can sense temperature, stress, deformation and light, has the advantages of flexible, low weight, low thickness, low power consumption, highly sensitive stress induction, low-temperature and organic solvent resistance and the like, and further has the characteristics of good low-temperature and flexural fatigue resistance; and the preparation process of electronic skin is simple, a mature coating process can be compatible with a semiconductor process, photoetching and ion etching can be realized, thus the efficiency is higher, device miniaturization and integration are more convenient, and industrialized promotion is easy.

The invention discloses a stress testing apparatus and a lingual orthodontic force measuring apparatus. The stress testing apparatus comprises: a stress induction module having a plurality of resistor modules; a resistance testing module connected with the stress induction module, and used for acquiring the electrical signals of the plurality of resistor modules and measuring the resistance of each of the resistor modules; and a stress determination module connected with the resistance testing modules and used for determining corresponding stress according to the resistance. The lingual orthodontic force measuring apparatus comprises a lingual orthodontic bracket, an orthodontic arch wire and the stress testing apparatus, wherein the lingual orthodontic bracket is bonded to the lingual side of teeth and is fixed to the orthodontic arch wire, and the stress induction module of the stress testing apparatus is bonded to the labial side of the teeth. The stress testing apparatus and the lingual orthodontic force measuring apparatus realize the real-time accurate monitoring of the orthodontic force of a lingual side appliance, and provides a reliable basis for the improvement of the scheme of tooth treatment, the selection of the orthodontic arch wire with excellent performances and the improvement of the efficiency of a lingual orthodontic technique.