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The invention relates to an adjustable six-freedom-degree human body head massaging health care robot which comprises a support and a massaging head hood installed below the support. The support comprises a transverse board, a supporting rod, a bottom disc seat, a front-back moving mechanism, a left-right moving mechanism, a lifting electric push rod, a rotary motor and a connector. The robot moves flexibly, multiple freedom degrees of motion are achieved, the robot makes full contact with the head, both the moving speed and the rotating speed can be adjusted, the robot can be used by people at different ages, the application range is wide, and therefore the massaging function of the robot is improved. The problems that an existing head massaging device cannot completely massage the head portion, the vibration frequency of vibration massage performed on the head by the adoption of the vibration principle of a vibration rod or a vibration motor cannot be adjusted, and the vibration rod or the vibration motor is not suitable for being used for a long time are solved. A shell is in a helmet manner, is easily matched with the head of the human body and is convenient to take and convenient and quick to use. The size of the shell is adjustable and the robot is suitable for being used by people with different sizes of heads.

An inner member of a column-tray gas stripping machine mainly comprises two groups or more of baffles and vertical clapboards between each group of baffles. Each baffle comprises a group of baffles linked with the vertical clapboards and with the same tilting angles. The gas stripping rate by using the inner member could improve more than 20%.

The present invention discloses a full-aluminum backfield crystalline silicon solar cell back sliver paste, a preparation method thereof and the use thereof. The sliver paste is mainly composed of 10-20 parts of spherical silver powder, 40-60 parts of silver flake, 3-6 parts of lead-free glass powder, 1-4 parts of aerdentalloy barrier agents, 20-30 parts of organic carriers and 0.2-0.5 parts of processing agents, and the preparation steps of the sliver paste comprise accurately weighing the materials in a container according to the formula parts by weight, firstly, mixing uniformly in a planetary centrifugal high-speed stirrer, then grinding and dispersing in a three-roller grinding machine to reach a fineness not more than 15 micrometers, thereby preparing the sliver paste. The sliver paste can be used to manufacture a solar cell back electrode, firstly, an aluminum paste is printed on the back side of a silicon wafer to manufacture a full-aluminum backfield, and then the back sliverpaste is printed. The sliver paste has a good welding performance and the high photoelectric conversion efficiency.

The invention discloses a movably sleeved spike-like suction nozzle of a dust collector, which comprises a suction nozzle body and a connecting pipe, wherein a suction inlet is formed on the suction nozzle body, and the suction nozzle body is connected to a telescopic pipe of the dust collector by the connecting pipe. Besides, the connecting pipe is formed on the suction nozzle body integrally and communicated with the suction inlet, and a brush is arranged at one end of the suction inlet on the suction nozzle body. The suction inlet comprises an inner annular suction inlet and an outer annular suction inlet, the suction nozzle body consists of two nested sleeves, the inner annular suction inlet is formed by the hollow space of the inner sleeve, and the outer circular suction inlet is formed by the annular space between the inner sleeve and the outer sleeve. The brush is arranged on the outer end face of the inner sleeve, and an elastic connection structure is arranged in the annular space between the inner sleeve and the outer sleeve. A certain space is reserved between the insert end of the inner sleeve and the end of the outer sleeve on the same side, and airflows which contain different dirt and are sucked from the inner annular suction inlet and the outer annular suction inlet are converged in the space, and finally are sucked into a dust collection barrel of the dust collector through the connecting pipe. The movably sleeved spike-like suction nozzle of the dust collector can be used for cleaning dirt gaps thoroughly, and accordingly dust collection efficiency can be improved.

Disclosed herein is a turn-fin condenser. The turn-fin condenser employs a turn-fin tube adhesively wound in a spiral shape around an outer surface of the tube in which refrigerant flows. The condenser comprises a coil type turn-fin tube 10 wound in a coil shape and fixed by inner and outer brackets 20 and 30 surrounding an outer peripheral surface of the coil type turn-fin tube, a motor 40 positioned in an inner space formed by the coil type turn-fin tube 10, a blowing fan 50 for taking ambient air in the coil type turn-fin tube 10 after being driven by the motor 40, and a tube wall 80 spirally wound with tube 11 extending out of the inner and outer brackets 20 and 30 at the rear side of the coil type turn-fin tube 10. The turn-fin condenser is easily manufactured and allows a greater quantity of air contact with turn-fins, thereby enhancing heat exchange efficiency.

The invention discloses an immunofluorescence test strip module for rapidly and quantitatively testing microalbumin, a test card module made of the same and a preparation method thereof. The test strip module consists of a test strip and separately packaged Pt-Porphyrin-marked specific antibodies, the test strip comprises a substrate, an absorbent pad, an envelope analysis film and a sample pad, a test line and a control line are arranged on the envelope analysis film, the test line-enveloped specific antibody is an anti-microalbumin monoclonal antibody, and the control line-enveloped specific antibody is an anti-rabbit IgG antibody; the Pt-Porphyrin-marked specific antibodies are the anti-microalbumin monoclonal antibody and the anti-rabbit IgG antibody; the test card module comprises the test strip, a card box and the separately packaged Pt-Porphyrin-marked specific antibodies, and the card box comprises a cover board and a back board. The invention is used for testing the microalbumin in human urine, is easy to operate, is rapid, sensitive and highly specific, and has a good clinical application prospect.

The invention discloses a self-expanding pipe seam anchor rod for surrounding rock large deformation and preparation and using methods of the self-expanding pipe seam anchor rod. An anchor rod comprises a rod body internally provided with self-expanding explosive columns and a tray, resistance increasing seams are formed in the pipe wall, making contact with the self-expanding explosive columns, of the rod body, ring-shaped resistance increasing grooves are formed in the pipe wall of the rod body on the rear parts of the self-expanding explosive columns, the rear end of a threaded rod of the series-wound self-expanding explosive columns penetrates through the tray and is connected with a fastening nut, and the tray is not fixedly connected with the rod body. During using, the self-expanding explosive columns are soaked in water first, then the anchor rod is inserted into a drilling hole, the fastening nut is screwed, thus the tray and surrounding rock wall get close; radial expansion pressure is generated by using size expanding of a hydration reaction of a self-expanding anchoring agent, and the anchoring effect is performed; when lager deformation of surrounding rocks occurs, rock body deformation force is applied to the self-expanding explosive columns through the tray, a fastening bolt and the threaded rod, fiction slippage occurs between the self-expanding explosive columns and the rod body when stress exceeds design resistance, in the process of slippage, constant resistance and yielding can be maintained by the resistance increasing seams and resistance increasing grooves, and the anchoring function can be continuously performed after displacement.

The invention relates to the field of iron and steel waste recycling equipment, in particular to a stirring-type magnetic separation device which can effectively improve the magnetic separation efficiency of dry magnetic separation and does not affect material transportation. The stirring-type magnetic separation device comprises a rotating bearing piece and multiple groups of magnetic conductiveteeth distributed on the surface of the bearing piece, wherein the magnetic conductive teeth rotate along with the bearing piece, and each group of magnetic conductive teeth are distributed on the surface of the bearing piece in the circumferential direction. Multiple groups of magnetic conductive teeth are parallel to one another, and a magnetic device is arranged in the bearing piece. The magnetic conductive teeth are used for transmitting the magnetic force of the magnetic device. When the magnetic conductive teeth move along with the bearing piece, materials can be stirred to a certain extent, so that the materials are looser. Meanwhile, the magnetic conductive teeth can go deep into the middle of the materials and make direct contact with the materials, thereby reducing the adsorptiondistance, and improving the adsorption effect.