16results about How to "Prevent elongation" patented technology

The utility model belongs to the field of optical display, and particularly relates to a reading system, which comprises a first image source, a second image source, a third image source and a fourth image source, the first concave reflecting mirror is arranged opposite to the first image source; the spectroscope is arranged opposite to the first concave reflector, the light reflected by the first concave reflector enters the spectroscope and is reflected by the spectroscope to be emitted to the exit pupil, and a first image with a first focal plane depth is formed; the second image source emits light rays and is arranged opposite to the spectroscope, and the light rays emitted by the display enter the spectroscope and are reflected by the spectroscope to be emitted out; the second concave reflector is arranged opposite to the spectroscope, the light reflected by the spectroscope enters the second concave reflector, is reflected by the second concave reflector to enter the spectroscope, and is emitted to the exit pupil through the transmission of the spectroscope to form a second image with a second focal plane depth; the first focal plane depth and the second focal plane depth are both greater than 2m.

The invention belongs to the technical field of hydraulic machinery, and particularly relates to a suspended pneumatic hydraulic cylinder which comprises a cylinder barrel assembly, a piston rod assembly, a guide sleeve assembly, a compression valve assembly and a stop valve assembly. In the cylinder barrel assembly, a cylinder barrel and a top cover are fixedly connected together; the spherical support is fixedly connected into the spherical curved surface on the left side of the top cover through the ball head pressing disc, and the valve rod is pressed into a round hole in the center of the right side of the top cover through the valve rod pressing disc. In the piston rod assembly, a piston, a piston rod and a shock absorber partition plate assembly are fixedly connected with a bottom cover, a ball head is supported and pressed in a spherical curved surface of the bottom cover through a ball head pressing disc, and a compression valve assembly and a stop valve assembly are correspondingly installed in shock absorber partition plate holes. And the guide sleeve assembly is screwed in the inner threaded hole of the cylinder barrel. After the piston rod assembly, the cylinder barrel assembly and the guide sleeve assembly are installed in a matched mode, linear reciprocating motion can be achieved under driving of external loads, and meanwhile variable damping adjustment can be achieved in the motion process. The device is reliable in structure integration, large in bearing capacity, reliable in transmission and convenient to repair and maintain.

The invention provides a vehicle airbag device and an occupant protection device. This vehicle airbag device is provided with: an airbag which is inflated and deployed from the seat rear side to the seat front side of a vehicle seat; and a pair of left and right rear tethers that connect the airbag and the seat back of the vehicle seat or the vehicle body, the airbag being provided with: a pair of left and right front-rear extension sections that expand and deploy toward the front side of the seat through the left and right sides of the head of the occupant; a connecting part for connecting the front end parts of the pair of front-rear extension parts in the left-right direction of the seat; and an airbag main body that expands and deploys to the occupant side by delaying from the front and rear chambers at the seat rear side of the connecting part, and the pair of rear tethers are configured so that the pair of left and right front and rear extension parts are respectively and relatively pulled obliquely downward to the rear of the seat when the occupant is restrained, and the connecting part is brought close to the thighs of the occupant.

The utility model belongs to optical device technical field, concretely relates to a kind of lens and glasses, the lens includes: mirror surface, the mirror surface is provided with the multiple paths of fitting hyperbolic space, and path distribution is more dense at the area closer to the edge of lens;Microstructure includes multiple micro-lenses distributed according to predetermined rule;The distribution of the microstructure makes that the contrast of eye-in image adapts to the non-uniform distribution of visual influence cell in retina, including the microstructure is along the multiple paths setting;Or setting in the area surrounded by path;The power of the micro-lens gradually increases along the radial outward direction of lens center direction.By the above setting to improve amblyopia while improving experience.

This disclosure pertains to the field of optical devices, specifically relating to eyeglasses, comprising: a frame including a track extending in a predetermined direction; a first stimulation module slidably connected to the track for sliding along the track; the first stimulation module having a first defocus stimulation region; and a second stimulation module slidably connected to the track for sliding along the track; the second stimulation module having a second defocus stimulation region. When the first and second stimulation modules are installed in the same side of the frame, a blank area is formed between the first and second defocus stimulation regions. The first and second stimulation regions correspond to the peripheral field of vision of the human eye, and the blank area corresponds to the central field of vision of the human eye. By sliding the first and second stimulation modules on the track, the positions of the first and second defocus stimulation regions in the field of vision of the human eye are changed, thereby changing the position and extent of the blank area. This is intended to inhibit axial elongation and control the degree of myopia.

This invention belongs to the field of plant genetic engineering, specifically relating to an isolated nucleic acid molecule encoding the Sapindus mukorossi SmHD-ZIP34 protein and its application. The isolated nucleic acid molecule has a nucleotide sequence as shown in SEQ ID NO.1, or encodes an amino acid sequence as shown in SEQ ID NO.2. This invention reveals for the first time the dual function of this isolated nucleic acid molecule in simultaneously regulating flowering time and sex differentiation in plants. Experiments have shown that overexpression of this nucleic acid molecule in Arabidopsis thaliana significantly promotes flowering and pistil elongation, and inhibits stamen development by downregulating the core pathway of stamen development, leading to a reduction in the number of stamens and pollen abortion. The nucleic acid molecule resource provided by this invention offers an effective solution to the problems of long breeding cycles and low fruit set rates due to male flower dominance in economic forest trees such as Sapindus mukorossi, and can be used to cultivate high-yielding new germplasm with early flowering, fewer males, and more females.

This invention discloses a novel use of isopentenylated indole alkaloid exopoid C, belonging to the field of marine microbial application technology. This invention is the first to discover and confirm that isopentenylated indole alkaloid exopoid C has significant growth-inhibiting activity against Arabidopsis thaliana. After culturing for 7 days in 1 / 2 MS medium containing 50 μg / mL exopoid C, the taproot elongation of Arabidopsis thaliana seedlings was significantly inhibited, with a taproot length reduction of more than 70% compared to the solvent control group. In the group containing 200 μg / mL exopoid C, the inhibition rate reached almost 100%, and Arabidopsis thaliana showed almost no growth. These results indicate that exopoid C has the potential to be developed as a plant growth inhibitor or a lead compound with herbicidal activity, opening up new directions for the application of indole alkaloid natural products in the pesticide field.

The utility model discloses a dustproof cover for a disc type axle, which relates to the technical field of disc type axle accessories and comprises a dustproof component and three fixing components. The dustproof assembly comprises a cover body, a heat dissipation hole and three mounting holes are formed in the surface of the cover body, and a dustproof net is arranged on the inner wall of the heat dissipation hole; the three fixing assemblies each comprise a positioning rod and an auxiliary assembly, the three positioning rods are slidably arranged on the inner walls of the three mounting holes correspondingly, and sliding grooves are formed in the surfaces of the three positioning rods; the fixing device has the advantages that the cover body is limited in the horizontal direction through cooperation of the pressing block, the baffle and the sealing ring, the cover body is limited through the three positioning rods in the vertical direction, fixing of the cover body is completed, a plurality of bolts do not need to be screwed, when the cover body needs to be detached to be cleaned or replaced, the pressing block can horizontally slide out of the cover body by pressing the pressing block into the sliding groove, and operation is convenient. And therefore, the screw is very convenient to use.

The invention relates to a composition for improving lodging resistance of rice and a preparation method thereof, and belongs to the technical field of crop planting, the composition specifically comprises the following raw materials in parts by mass: 1.3-2 parts of paclobutrazol, 0.2-0.3 part of gibberellin, 0.1-0.3 part of growth-promoting rhizobacteria, 1-5 parts of modified charcoal and 100 parts of an acrylate-based slow-release material; wherein the modified biochar is prepared by carrying out hydrophobic modification on biochar by using a silane coupling agent. By compounding paclobutrazol, gibberellin, growth-promoting rhizobacteria and modified charcoal, the lodging resistance of rice is improved. Paclobutrazol regulates and controls growth, rhizosphere bacteria promote root health, and modified charcoal improves the soil environment. The composite strain enhances the soil nutrient circulation, and the slow-release material stably releases nutrients and promotes the stalk strength. The whole scheme has a synergistic effect, and the growth stability and lodging resistance of rice are enhanced.

The invention provides application of histone acetyltransferase GhGCN5 in regulation and control of cotton fiber development, and relates to the technical field of molecular breeding. After the GhGCN5 gene is edited in cotton, both the initial number of fibers and the length of mature fibers are increased; the overexpression GhGCN5 gene can significantly inhibit the growth of cotton fibers in the initial and elongation stages, and leads to the reduction of the length and quantity of mature fibers. The GhGCN5 gene capable of regulating and controlling the development of the cotton fibers, provided by the invention, provides new gene resources and theoretical support for the quality improvement of the cotton fibers.

This disclosure belongs to the field of image display, and specifically relates to an image display method, system, and apparatus. The image display method includes acquiring first color values ​​of predetermined pixels in a presented image. The first color values ​​include attribute values ​​of each primary color based on additive color mixing, wherein each primary color includes at least a first primary color and a second primary color, and the wavelength of the first primary color is at least 50 nm greater than the wavelength of the second primary color. The method also involves adjusting the attribute values ​​of each primary color in the first color values ​​according to an intensity adjustment ratio to obtain second color values ​​for presentation. The difference between the attribute values ​​of the first and second primary colors in the second color values ​​is greater than the difference between the attribute values ​​of the first and second primary colors in the first color values. By presenting the image, axial chromatic aberration is created to generate myopic defocus, thereby suppressing axial elongation of the eye.

The present application belongs to the technical field of plant light environment regulation, and particularly relates to a method for regulating growth of citrus seedlings by light supplement. 432 The above-mentioned method can significantly improve the above-ground indexes such as plant height and leaf number, and promote the increase of root system related parameters; the CL3 can significantly increase the total root length, root surface area and root tip number, and has a prominent promoting effect on the development of the underground part, and can improve the morphology of the above-ground part.

Provided is a balloon for a balloon catheter that prevents kinking, buckling, and elongation in the long axis direction of the balloon, and that is easy to handle. A balloon for a balloon catheter (2) has a balloon main body (20) that has an expansion portion (20e), a distal side sleeve portion (25) having a fixed portion (25f) fixed to a shaft (3), and a proximal side sleeve portion (21), and has a reinforcing portion (60) on a portion of the inner surface of the distal side sleeve portion (25) on the proximal side of the distal end of the fixed portion (25f) and in the circumferential direction of the distal side sleeve portion (25), and does not have a reinforcing portion (60) on the inner surface of the proximal side sleeve portion (21).

The utility model belongs to the technical field of clinical nursing, and particularly relates to a suspension type adhesive tape fixing rope which comprises a connecting and fixing assembly, a telescopic control assembly is installed at the bottom of the connecting and fixing assembly, and the bottom of the telescopic control assembly is connected with an adhesive tape fixing assembly. The adhesive tape fixing assembly comprises a fixing frame, a rotating seat is installed in the fixing frame, one end of the rotating seat is rotationally connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a clamping rod, the outer wall of the fixing frame is fixedly connected with a fixing seat, and a second spring is installed in the fixing seat. An insertion rod is mounted at one end of the second spring; according to the medical adhesive tape fixing device, a medical adhesive tape can be firmly fixed, the adhesive tape is prevented from falling off, meanwhile, the medical adhesive tape can be conveniently replaced, and the hanging height of the medical adhesive tape can be adjusted, so that medical staff can pull the adhesive tape conveniently, and meanwhile, the medical adhesive tape can be conveniently fixed to a clamping plate or clothes of the medical staff.

This invention provides a biocontrol bacterium for controlling tomato gray mold and its application, belonging to the field of microbial technology. The biocontrol bacterium is... Streptomyces cavourensis The CS19 strain was deposited on January 5, 2026, at the China General Microbiological Culture Collection Center (CGMCC), with accession number CGMCC NO.37282. This invention also provides a biocontrol suspension containing the CS19 strain and a biocontrol agent containing the fermentation filtrate of the CS19 strain. Furthermore, this invention provides the application of the above-mentioned CS19 strain, biocontrol suspension, or biocontrol agent in inhibiting the growth of *Botrytis cinerea*. The above-mentioned CS19 strain can effectively inhibit the elongation of *Botrytis cinerea* mycelium and the germination of spores; the propylparaben, ethylparaben, and indole-3-carboxaldehyde contained in its fermentation filtrate exhibit good antibacterial activity against *Botrytis cinerea*; moreover, the fermentation filtrate is non-pathogenic to tomato fruits and can effectively inhibit the growth and infection of *Botrytis cinerea* mycelium in leaves and fruits.