10results about How to "Adjust the intensity" patented technology

The invention discloses a pulse compression device based on a multistage multi-pass cavity, which comprises a pulse laser and a plurality of compression modules arranged along a light path of the pulse laser, the compression module comprises a pulse laser spot matching module, a multi-pass cavity module, a light beam collimating lens and a pulse dispersion compensation module which are arranged along a light path of the pulse laser; according to the pulse compression device based on the multi-stage multi-pass cavity, the pulse width is continuously compressed by using the two-stage or multi-stage multi-pass cavity, and the pulse from hundred femtoseconds to picoseconds can be compressed to be below 10fs; the device is suitable for femtosecond or picosecond laser pulse beams with different pulse peak powers, the intensity of a nonlinear effect is adjusted by changing the thickness and position of a solid nonlinear medium or changing the type and pressure of a gas medium, and pulses with different energy and widths are optimized and debugged differently; the compression ratio can be effectively improved, and the problem that the compression ratio of a single-stage multi-way cavity is limited is solved.

The nasal cavity sprayer convenient to adjust comprises a bottle body, the top of the bottle body is in threaded connection with a cover plate used for blocking the top of the bottle body, the outer surface of the upper portion of the cover plate is fixedly connected with a supporting block, and a pressing mechanism is arranged on the right side of the upper portion of the supporting block; comprising a mounting sleeve fixedly connected to the outer surface of the upper portion of a supporting block, a pressing chamber is arranged in the mounting sleeve, a piston is arranged in the pressing chamber, two fixing blocks are fixedly connected to the left side of the upper portion of the supporting block, a limiting block is arranged between the two fixing blocks, and a spray head is arranged at the other end of the limiting block; and the limiting block rotates to drive the spray head to rotate, so that the spraying angle is adjusted. By means of the structure, the spraying angle can be adjusted, mist can be sprayed to different areas of the nasal cavity more accurately, and meanwhile different spraying amounts can be selected according to requirements.

The present invention discloses a floor slab strength testing device, which relates to the technical field of floor slab strength testing, and comprises a workbench, wherein the workbench is provided with a fixed frame mechanism, the fixed frame mechanism is provided with an elastic driving roller mechanism, the fixed frame mechanism is provided with a first feeding platen mechanism, the first feeding platen mechanism is provided with a first linkage clamping mechanism, the workbench is provided with a moving frame mechanism, the moving frame mechanism is provided with an elastic driven roller mechanism, the moving frame mechanism is provided with a second feeding platen mechanism, the second feeding platen mechanism is provided with a second linkage clamping mechanism, the workbench is provided with a detection and adjustment mechanism, and the detection and adjustment mechanism is provided with a pressure block. The present invention can drive the floor slab placed on the fixed frame mechanism to move by arranging the elastic driving roller mechanism, and can control the cantilever installation state of the floor slab in cooperation with the moving frame mechanism, thereby improving the efficiency of floor slab strength testing.

The invention discloses a light and portable respiratory function exerciser which comprises a mounting sleeve, a respirator extending to the outside of the mounting sleeve is mounted at the inner bottom of the mounting sleeve, an air inlet is formed in the middle of the inner top of the mounting sleeve, and a sealing piston is placed at the inner top of the mounting sleeve. And the sealing piston is attached to the inner wall of the mounting sleeve. Through the structural design of the mounting sleeve and the components above the mounting sleeve, the later-stage portable function of an operator can be conveniently achieved, the overall structure is small and exquisite, operation is easy and convenient, influences of sites and environments are not likely to happen, meanwhile, through the design of the respirator and assembly of the mounting sleeve, the operator can conveniently detach and replace the respirator in the later stage, and the practicability is high. Meanwhile, when an operator exhales and inhales, a sealing piston is pushed through gas, and then the requirement for continuous operation of the exercise device in the later period can be met, so that the continuity of lung function exercise is achieved.

This utility model discloses an adaptive intelligent breathing training simulation device, including a housing with an air inlet channel and an air outlet channel inside. A one-way valve is installed in the air inlet channel. The one-way valve includes a top plate installed within the air inlet channel, surrounded by a rubber sleeve. A shaft is installed on the outer wall of the top of the top plate. A fixed limiting seat is installed within the air inlet channel, and the shaft is slidably inserted into the fixed limiting seat. A spring is installed on the outer wall of the shaft, positioned between the top plate and the fixed limiting seat. A weir plate is installed around one end of the rubber sleeve. The one-way valve is installed in both the air inlet and air outlet channels. This utility model, by using one-way valves, divides the interior of the housing into independent air inlet and air outlet channels, preventing water droplets from being inhaled into the mouth after cooling, thus improving comfort and safety during training. Furthermore, it effectively inhibits microbial growth. An adjustment ring allows users to adjust the intensity of the breathing training according to their own needs.

The invention provides a punching self-adhesion motor iron core precision die, and relates to the technical field of die equipment, and the punching self-adhesion motor iron core precision die comprises a punching machine which is used for punching materials and providing stability and support for punching movement; the pressure limiting structure is arranged on the punching machine and used for adjusting the position state and strength of a punching material; the material conveying structures are arranged on the two sides of the punching machine and used for conveying materials. The problem that strip materials are insufficient in strength in the feeding process is solved, a pressure limiting structure is adopted, deformation or position change of the materials in the stamping process is adjusted, the stamping manufacturing precision is improved, the strength of the materials in the stamping process is adjusted, stamping of ultra-thin materials becomes possible, the stamped materials are prevented from loosening, and the stamping quality is improved. And the conditions of accidents and mistaken feeding caused by staying at a certain position along with the advancing of the strip material are avoided.

The invention discloses a model training method and device, and relates to the technical field of deep learning. A specific embodiment of the model training method comprises the following steps: dividing a preset basic model into a shared sub-network and a basic sub-network; copying the basic sub-network to obtain an incremental sub-network, training the incremental sub-network by using preset incremental data, and taking the shared sub-network and the trained incremental sub-network as an incremental model; and fusing the basic model and the incremental model to obtain an improved model corresponding to the basic model. According to the embodiment, the model training efficiency can be improved, and system resources and time cost consumed by model training can be reduced.

The application discloses a nitrogen-assisted bidirectional double-color argon laser generation method and device, and belongs to the technical field of ultrafast lasers. 12 W / cm 2 The method comprises the following steps: focusing linearly polarized pulse pumping light with a central wavelength of 261±1 nm in a mixed gas containing nitrogen and argon, and the corresponding peak power density is greater than 10 The method is simple, only needs to generate specific pumping light and focus the pumping light in the mixed gas containing nitrogen and argon, and then bidirectional double-color cascade argon laser can be obtained, for example, the air can be directly excited to generate argon-air laser, and the method is simple and widely applicable.

The utility model discloses a full-automatic exhaust valve capable of installing a 360-degree rotating air guide pipe, which relates to the technical field of exhaust valves, and comprises a valve body mechanism, the valve body mechanism comprises a full-automatic exhaust valve body, the upper end of the full-automatic exhaust valve body is fixedly connected with an exhaust nozzle, an air guide pipe assembly mechanism is arranged above the exhaust nozzle, and the air guide pipe assembly mechanism is arranged above the air guide pipe assembly mechanism. Due to the arrangement of the bottom sliding sleeve and the spring, the bending pipe can rotate in the hexagon nut, after the position of the full-automatic exhaust valve body is fixed, the bending pipe can be rotated, the pipeline connecting position can be adjusted, use is convenient, 360-degree rotation without dead angles can be achieved, use is convenient and fast, and the full-automatic exhaust valve is suitable for large-scale popularization and application. Through the arrangement of the inner limiting sleeve and the spring, the strength of the spring for extruding the bottom sliding sleeve and the sealing effect can be adjusted by rotating the inner limiting sleeve and adjusting the position of the inner limiting sleeve, meanwhile, the strength needed by rotation of the bent pipe can be adjusted, and the stability during use is improved.

The utility model relates to the technical field of drawing frames, and discloses a drawing frame convenient to adjust tensile force, which comprises a main body, a drawing assembly is arranged on the outer wall of the main body, an adjusting structure is arranged on the outer wall of the main body, a protective structure is arranged on the outer wall of the main body, the adjusting structure comprises a sliding chute, a sliding groove, a sliding block and a sliding block, a sliding groove is formed in the outer wall of the main body, a sliding block is slidably connected to the inner wall of the sliding groove, a rotating shaft penetrates through the outer wall of the sliding block, the outer wall of the rotating shaft is rotatably connected with the sliding block, a motor is fixedly connected to the outer wall of the sliding block, and the output end of the motor is fixedly connected with the rotating shaft. According to the drawing frame convenient to adjust the tensile force, by arranging the adjusting structure, the position of the adjusting roller can be adjusted through the adjusting structure, then the drafting degree of a fiber bundle is adjusted, and then indexes such as the yarn structure, the yarn density and the strength are adjusted according to self requirements.