7results about How to "Increase the diameter" patented technology

Nucleotide sequences including a micro-dystrophin gene are provided. The micro-dystrophin genes may be operatively linked to a regulatory cassette. Methods of treating a subject having, or at risk of developing, muscular dystrophy, sarcopenia, heart disease, or cachexia are also provided. The methods may include administering a pharmaceutical composition including the micro-dystrophin gene and a delivery vehicle to a subject. Further, the methods may include administering the pharmaceutical composition a subject having Duchenne muscular dystrophy or Becker muscular dystrophy.

The utility model provides a kind of building insulation board joint sealing device, it is related to insulation board installation technical field, and it includes: glue injection mechanism, the glue injection mechanism includes filling cylinder, one end of the filling cylinder is equipped with connecting barrel, the inside of filling cylinder is sleeved with glue injection pipe, the glue injection pipe is fixedly connected with filling cylinder, the outer surface of the glue injection pipe is sleeved with connecting frame, the connecting frame is fixedly connected with glue injection pipe, the side surface of the connecting frame is fixedly connected with support rod.The utility model, by being provided with glue injection mechanism, the sealant that fills the gap between insulation board is effectively filled into the inside of gap, so that the heat preservation effect when using insulation board is better, and glue injection pipe is set, and the diameter of glue injection pipe is smaller, and then glue injection pipe can be deeply filled into the gap between insulation board, so that sealant can be filled into the inside of gap.

This utility model discloses a subsea pipeline inspection robot for marine engineering, relating to the field of marine engineering technology. It includes a walking frame with two sets of drive wheels mounted on both sides of the frame, each driven by an independent synchronous motor. A stabilizing mechanism is installed inside the drive wheels. Adjustable panoramic cameras are located at the front and rear ends of the walking frame. A movable groove is located in the middle of the walking frame, and a movable ring is mounted on the outside of the groove via bearings. An all-around inspection mechanism is located outside the movable ring. The all-around inspection mechanism includes a drive motor and spherical cameras. Multiple sets of spherical cameras are arranged in a ring outside the movable ring. A drive motor is located above the movable groove on the outside of the walking frame, driving the movable ring to rotate and performing precise inspections through the spherical cameras. This utility model significantly improves the adaptability and work efficiency of the inspection robot by enhancing its imaging capabilities and innovating its walking drive structure.

The application discloses a layered sand prevention and polymer injection integrated pipe column and a construction method, relates to the technical field of oil exploitation, and the pipe column comprises a downhole pipe column and a control pipe column. The downhole pipe column comprises a layered sand prevention and polymer injection unit. The layered sand prevention and polymer injection unit comprises a positioning cylinder, an adjustable sand prevention and injection device, a blockage removal injection device and layered packers. The control pipe column comprises a positioning tool and a repeatedly switchable tool. The positioning tool can be positioned with the positioning cylinder, and the repeatedly switchable tool can control and regulate the adjustable sand prevention and injection device and the blockage removal injection device. The application realizes sand prevention and polymer injection integration through the adjustable sand prevention and injection device. The application realizes downhole efficient regulation through the positioning tool and the repeatedly switchable tool.

A wide-angle lens which easily and appropriately corrects various aberrations such as field curvature, magnification chromatic aberration, and coma aberration, and easily achieves miniaturization of the entire wide-angle lens. The wide-angle lens of the present invention includes, in order from the object side, a first lens which is a negative lens with a concave image side lens surface, a second lens which is a negative lens with a concave image side lens surface, a third lens which is a positive lens with a convex image side lens surface, a fourth lens which is a positive lens with a convex image side lens surface, a fifth lens which is a positive lens, a sixth lens which is a negative lens, and a seventh lens which is a positive lens, and satisfies the following relationship when a focal length of the third lens is set as f3 and a focal length of the entire wide-angle lens is set as f: 3.000 < f3 / f < 12.500.

The invention discloses laser cutting equipment for pipes, and aims to provide a pipe cutting machine with an anti-blocking discharging structure and a machining method of the pipe cutting machine with the anti-blocking discharging structure, and the pipe cutting machine with the anti-blocking discharging structure and the machining method of the pipe cutting machine with the anti-blocking discharging structure can prevent pipe fittings from being damaged in the discharging process, can guarantee orderly stacking of the pipe fittings after discharging is completed and can reduce the working intensity of workers. According to the technical scheme, a guide mechanism capable of enabling the pipe fittings to slide down along a fixed track is additionally arranged at a discharging structure, the guide mechanism can receive the pipe fittings machined from a machining table, the moving paths of the pipe fittings are limited through clamping grooves, the pipe fittings can be disengaged from the clamping grooves in a fixed direction, and therefore the pipe fittings can be separated from the clamping grooves in the fixed direction. The clamping groove for conveying the pipe fittings is of a gradually-shrinking structure, so that the pipe fittings can be accurately received and stably slide along a set path, mutual collision caused by free falling of the pipe fittings is avoided, the rate of finished products is increased, the labor intensity of operators is reduced, the production efficiency and the automation level are remarkably improved, and the production cost is reduced. The method is suitable for the technical field of pipe fitting machining.

Intraocular lenses for reducing Negative dysphotopsia (ND) are described herein. An example ophthalmic lens can include an optic with a central optical zone disposed about the optical axis and an attenuation optical zone disposed about the central optical zone, wherein the attenuation optical zone is contiguous with the central optical zone, and wherein optical power of the ophthalmic lens is gradually reduced within the attenuation optical zone.