6results about How to "Cause some damages" patented technology

The utility model relates to timber carving auxiliary equipment technical field, concretely disclose a coffin wood processing engraving machine auxiliary structure, including engraving platform, engraving machine body, clamping structure, protective cover and translation structure, engraving platform one side upper surface fixedly connected with engraving machine body, the upper surface of engraving platform is provided with two clamping structures, and the upper surface of engraving platform is provided with protective cover, the lower surface of protective cover both sides is provided with translation structure, through being provided with clamping structure, servo synchronous motor drive positive and negative toothed rod in clamping structure, drive two sliding blocks and clamping plate synchronous reverse movement, cooperate with antiskid rubber pad, can carry out firm clamping to wood, effectively prevent the displacement of wood in the process of carving, guarantee that engraving machine body can accurate completion engraving operation, greatly promote the precision and consistency of coffin wood carving, avoid the displacement of easy occurrence in the process of carving, reduce the scrap rate.

The present application provides a method for in vitro proliferation of cells, comprising the following steps: adding a NKG2A conjugate to a first cell culture solution to form a second cell culture solution; and adding a cell to a cell culture container containing the second cell culture solution for a cell expansion culture to obtain an expanded cell. The method for in vitro proliferation of cells provided by the present application can efficiently obtain a large number of high-purity NK cells, and the expanded cells have a significant tumor killing ability.

This invention discloses an easy-to-install chip fixing device, comprising a base, an auxiliary limiting mechanism, and an adsorption mechanism. It further includes: a hydraulic cylinder fixedly connected to the inner wall of the bottom end of the base, with a support plate fixedly connected to the outer wall of the top end of the base; the output end of the hydraulic cylinder passing through the support plate; a stop fixedly connected to the output end of the hydraulic cylinder, with a central support fixedly connected to the outer wall of the top end of the stop; an L-shaped side support plate fixedly connected to one side of the outer wall of the central support by screws; a limiting bending plate located on one side of the central support; a support frame with multiple springs fixedly connected to its bottom end, the bottom ends of which are fixedly connected to the top end of the support plate; the output end of the hydraulic cylinder passing through the inner wall of the top end of the support frame; two sets of waist-shaped grooves symmetrically arranged on the support frame; and two bent connecting rods. This easy-to-install chip fixing device reduces chip damage, simplifies chip placement, and eliminates the need for additional calibration steps.

The utility model belongs to the technical field of medical apparatus and instruments, concretely relates to a mouse fixer for eye examination, which comprises a base, an adjustable cross bar, a head fixing clamp and a body fixing sleeve, the base is provided with a fixed lower jaw support and two base supports, the adjustable cross bar capable of being adjusted in height is arranged above the two base supports, the head fixing clamp is arranged above the adjustable cross bar, the head fixing clamp has a scissors type structure, a mouse is placed on the base, the lower jaw of the mouse is placed on the fixed lower jaw support, the body of the mouse is fixed on the base through the body fixing sleeve, and the ears of the mouse are clamped through the head fixing clamp. The utility model can meet the needs of fixing mice of different sizes, fix the head and not hinder the ophthalmic examination, and has the advantages of simple design and high practicability.

The utility model relates to the technical field of toughened glass with a silencing function, solves the technical problem of poor sound insulation effect of toughened glass, and particularly relates to toughened glass with a silencing function, which comprises a front fixed plate frame and a rear fixed plate frame which are symmetrical to each other and serve as supporting foundations. A glass interlayer assembly for improving the strength of the tempered glass is arranged between the front fixing plate frame and the rear fixing plate frame, a hollow sound insulation assembly for improving the sound insulation capacity is arranged on the inner side of the glass interlayer assembly, and the hollow sound insulation assembly comprises a sound insulation glass layer arranged on the inner side of the glass interlayer assembly. Due to the arrangement of the hollow sound insulation component, the sound insulation effect of the toughened glass can be improved, and the transmission path of noise is cut off through the hollow sound insulation layer, so that the noise is cut off on a sound transmission medium, and the hollow layer can be extracted more conveniently during the production period of the toughened glass.

The utility model belongs to the technical field of safety education simulation equipment, especially high altitude falling object simulation device, including stand, the upper end of stand is fixedly installed with winch through a plurality of bolts, is coiled with wire rope on the winch, the upper end middle position of stand is equipped with the perforation, the bottom end all around of wire rope is fixedly connected with a plurality of steel wire rope, the bottom end of a plurality of steel wire rope is fixedly connected with the electromagnetic chuck in common, the bottom end of electromagnetic chuck is magnetically absorbed with simulation falling object, the bottom end inside of stand is fixedly installed with base through a plurality of bolts, the front end of base is equipped with the cavity of drawing, the inside sliding connection of cavity of drawing has the box of drawing, the inside bottom end middle position of box of drawing is fixedly installed with the head mould through screw, the upper end of stand is provided with the explosion -proof transparent glass cover, the utility model has good safety education effect, can effectively promote the safety consciousness of worker, uses better.