36results about How to "Affect mobility" patented technology

The present invention provides a method for evaluating displacement damage of radiation of CMOS devices, which belongs to the technical field of displacement damage of radiation of CMOS devices. The method is characterized in that a computing formula: Ids=prob1 x case1+prob2 x case2+prob3 x case3, is established according to three different positions on a device drain terminal, a channel region and an isolation region where incident particles hit, wherein the case indicates the current variation of the drain terminal of the device caused by the displacement damage generated when incident particles hit different positions on the device, and prob indicates the probability that the incident particle hit different positions on the device. According to the formula, the current variation Ids of the drain terminal of the device caused by the displacement damage can be worked out, and thus the displacement damage of a CMOS device in a radiation environment can be estimated. The displacement damage effect of devices and integrated circuits in a radiation environment can be estimated exactly by method.

The procedure to place antegrade hemodynamic support (AHS) combine currently available procedures and devices in a unique fashion to solve a significant problem for patients who need large bore hernodynarnic support. The AHS procedure involves delivering an AHS device or a catheter connected to an AHS device to a patient's aorta in an antegrade fashion, alleviating the workload on the patient's heart and supporting the patient hemodynamically to maintain normal functions of the body organs.

The invention provides an ischemic adaptation training instrument with multiple wearing modes, and relates to the technical field of ischemic adaptation training instruments. The ischemic adaptation training instrument includes an ischemic adaptation training instrument, a clamping seat armlet assembly and a clothes wearing assembly. The training instrument is connected with the clamping seat armlet assembly or the clothes wearing assembly. The clamping seat armlet assembly includes a clamping seat armlet and a clamping seat arranged on the clamping seat armlet. The training instrument is assembled on a clamping seat and communicated with an air bag inside the clamping seat armlet. The clothes wearing assembly includes a wearing armlet, a piece of clothes and a connecting pipe. The training instrument is placed in the piece of clothes and communicated with the wearing armlet through the connecting pipe. According to the technical scheme, the technical problems existing in the prior art, such as inconvenience in operation and poor user experience, are solved, the multiple wearing modes of the ischemic adaptation training instrument are implemented, the portability of the training instrument is enhanced, a user is protected from constraint of a connecting line and the influence of the constraint on his action, the difficulty of wearing the ischemic adaptation training instrumentis reduced, and the user's user experience is improved.

The invention provides a stator split moving iron core type permanent magnet linear oscillating motor, which belongs to the field of linear oscillating motors, wherein the outer stator iron cores are symmetrically distributed on both sides of the inner stator permanent magnets; the movable iron cores are symmetrically distributed at equal intervals Between the outer stator core and the inner stator permanent magnet; the resonant spring is sleeved on the movement shaft; the movement shaft is connected to the geometric center of the side end of the mover iron core support; the armature winding includes two sets of coils, which are connected by a sinusoidal AC source; the inner stator permanent magnet includes several sub-permanent magnets of equal size, and the magnetization directions are all vertical directions, and the magnetization directions of adjacent sub-permanent magnets on the horizontal side are different; when the magnetization directions of adjacent sub-permanent magnets on the vertical side are opposite When the inner stator core is added between the permanent magnets of the two poles, the two sets of coils are connected in reverse series or reverse parallel; otherwise, the two sets of coils are connected in series or parallel in the same direction; the present invention prolongs the service life of the permanent magnets, and at the same time The output thrust density is improved, and the noise and vibration of the motor operation are reduced.

A tilt sensor for signaling when the tilt sensor is not vertical. The tilt sensor includes a metallic ball that is free to move and capable of resting at a low point when the tilt sensor is vertical. A proximity sensor directed at the low point communicates when the metallic ball has deviated from its position of repose, indicating that the sensor is no longer vertical.

The invention provides a water surface tamping device for a foundation pile of civil engineering, and relates to the technical field of civil engineering. A support groove is formed on the edge of the top surface of a seat cushion table, and a plurality of vertical strips are evenly opened inside the seat cushion table and located directly below the support groove. Straight movable channel, the movable channel runs downward through the bottom surface of the working boat, and the inner wall of the movable channel is symmetrically opened with a limit channel, and the top of the movable channel is embedded with a quill, and the inner wall of the quill is embedded with an air bag; the inner wall of the movable channel is movable A movable rod is connected, and the bottom end of the outer wall of the movable rod is symmetrically opened with an inner groove. The soil is input from the input pipe to the loose soil position, and the soil is transported to the loose soil position. The soil is filled with soil, which can replenish soil in time and strengthen soil tightness. It can improve the firmness of building foundation piles, solve the problem that the underwater environment is harsh, and the soil quality is poor, and it is very difficult to compact the foundation piles. Most of the work is done by artificial launching and compaction, and the work process is low. , and the problem of poor performance.

The procedure to place antegrade hemodynamic support (AHS) combine currently available procedures and devices in a unique fashion to solve a significant problem for patients who need large bore hemodynamic support. The AHS procedure involves delivering an AHS device or a catheter connected to an AHS device to a patient's aorta in an antegrade fashion, alleviating the workload on the patient's heart and supporting the patient hemodynamically to maintain normal functions of the body organs.

The invention provides a half-rotating mechanism driven by a fixed shaft belt and belongs to the technical field of biosimulation machines. The half-rotating mechanism comprises a main shaft, a crank, a movable shaft, a half-rotating rod, a shaft sleeve, a longitudinal sliding groove, a sliding block, an auxiliary shaft, a small driving wheel, a big driving wheel, a driving belt and a rack. The main shaft and the small driving wheel are fixedly connected, the big driving wheel and the auxiliary shaft are fixedly connected, the main shaft and the auxiliary shaft are arranged on the rack, and the driving belt is connected with the small driving wheel and the big driving wheel at the same time. One end of the crank is fixedly connected with the main shaft, and the other end of the crank is fixedly connected with the movable shaft. The movable shaft is arranged in the shaft sleeve and can rotate relative to the shaft sleeve. The shaft sleeve is fixedly connected to the middle portion of the half-rotating rod, and the longitudinal sliding groove in the axis direction of the rod is formed in the half-rotating rod. The sliding block is fixedly connected with the auxiliary shaft, and the sliding block can slide in the longitudinal sliding groove. The half-rotating mechanism overcomes the defects that in an existing half-rotating mechanism, a half-rotating rod moves unstably, the contact force of a sliding block is large, and the bearing capacity of the sliding block is small. The half-rotating mechanism can greatly improve the various mechanical properties based on the half-rotating mechanism.

The invention discloses portable water quality detection equipment, and belongs to the technical field of water environment monitoring, the portable water quality detection equipment comprises a middle plate and a self-checking assembly arranged on the inner wall of the middle plate, folding assemblies are arranged on the outer walls of the two sides of the middle plate, each folding assembly comprises a side plate and two sliding rails fixedly connected to the outer wall of the top of the side plate, and a plurality of centripetally communicated straight holes are formed in the inner walls of the side plates; fixed blocks are fixedly connected to the inner walls of one ends of the straight holes. The self-checking assembly and the folding assembly are arranged, the gravity center of the folding assembly is changed by adjusting the horizontal function and the vertical function of the folding assembly, the contact area between the device and the water surface can be enlarged in the horizontal state, and the device can float on the water surface and keep stable; the self-checking assembly can supply water to the folding assembly, so that the gravity center of the device gradually moves downwards, the device conveniently enters a deep water area, and compared with traditional detection equipment, the device can expand the detection depth of an underwater area and can adapt to detection work of various water environments.

The invention discloses a GaN-based normally-off high-electron-mobility transistor and a preparation method thereof. The method comprises the following steps of S1, sequentially preparing a nucleatinglayer (11), a buffer layer (12) and a first high-resistance GaN layer (13) on a substrate (10); S2, preparing a graphical dielectric layer (20) on the first high-resistance GaN layer (13); S3, basedon the graphical dielectric layer (20), growing a ridge-shaped GaN layer (30) in a transverse epitaxial manner, then removing the graphical dielectric layer (20), and forming a ridge-shaped GaN template, wherein the side wall of the ridge-shaped GaN layer (30) is a crystal face or a crystal face; S4, based on the ridge-shaped GaN template, growing a ridge-shaped channel layer (31) and a ridge-shaped barrier layer (32) sequentially in an epitaxial manner, wherein the thickness of the side wall of the ridge-shaped channel layer (31) and the thickness of the side wall of the ridge-shaped barrierlayer (32) are both smaller than the thickness of a platform. According to the transistor prepared by the method, etching loss and injection damage do not exist in a channel region, the influence of the etching damage on the device performance can be effectively avoided, and the GaN-based normally-off high-electron-mobility transistor has high threshold voltage, high saturation current and low on-state resistance.

The invention provides a method for estimating radiation displacement damage of CMOS devices, and belongs to the technical field of radiation displacement damage of CMOS devices. The method includes: according to the incident particles hitting three different positions of the source and drain terminals, the channel region and the isolation region of the device, a calculation formula is established: Ids=prob1×case1+prob2×case2+prob3×case3, where case is the incident particle The displacement damage hitting different positions of the device causes the current change of the drain terminal of the device. Prob is the probability that the incident particle hits different positions of the device. According to this calculation formula, the change amount Ids of the device drain current caused by the displacement damage of the incident particle is obtained, so as to estimate Displacement damage of CMOS devices in radiation environment. The invention can accurately estimate the displacement damage effect of devices and integrated circuits in the radiation environment.

The invention provides a model for analyzing radiation displacement damage of CMOS devices, belonging to the technical field of radiation displacement damage of CMOS devices. The model consists of six sub-analysis modules, including: a drain and source displacement damage analysis module, a channel region displacement damage analysis module, a defect group analysis module, a composite enhanced migration analysis module, and a transient enhanced diffusion analysis module and an isolation zone displacement damage analysis module, using the Monte Carlo method to randomly generate incident particles according to a Gaussian distribution, the model obtains one or more values ​​in the above six sub-analysis modules according to the position where the incident particles enter the device, and obtains Displacement damage effects of CMOS devices under irradiation conditions. The invention can accurately estimate the displacement damage effect of the device and the integrated circuit in the radiation environment.

The invention provides a half-rotating mechanism with a convex-contour-surface groove, and belongs to the technical field of bionic machines. The half-rotating mechanism comprises a main shaft, a crank, a moving shaft, a half-rotating rod, a shaft sleeve, a longitudinal sliding groove, a sliding block, an auxiliary shaft and a rack, wherein the main shaft and the auxiliary shaft are mounted on the rack, one end of the crank is fixedly connected with the main shaft, and the other end of the crank is fixedly connected with the moving shaft; the moving shaft is mounted in the shaft sleeve and can rotate relative to the shaft sleeve, and the shaft sleeve is fixedly connected to the middle of the half-rotating rod; and the longitudinal sliding groove is formed in the half-rotating rod in the axis direction of the half-rotating rod, and the sliding block is fixedly connected with the auxiliary shaft and can slide in the longitudinal sliding groove. According to the half-rotating mechanism, the defects that a half-rotating rod in an existing half-rotating mechanism is unstable in movement, sliding block contact force is large, and the bearing capacity is low are overcome, and the performance of various machines based on the half-rotating mechanism can be greatly improved.