66results about How to "Exacerbated damage" patented technology

A protective enclosure for a portable electronic data storage device includes an outer shell having a base and a lid movable between open and closed conditions relative to the base. An insert is receivable within the shell. The insert has an interior compartment for accommodating the electronic data storage device and an opening formed through an upper end of the insert in communication with the compartment for extending the storage device therethrough.

A projector is provided which can reduce power consumption while preventing the deterioration of a luminescent material by heat by controlling a luminescent wheel to rotate or stop rotating. The projector of the invention includes a light source unit having an excitation light source, a luminescent wheel on which a luminescent material layer is laid circumferentially which becomes luminous using light emitted from the excitation light source as excitation light and a wheel motor for driving the luminescent wheel, a display device, a light guiding optical system which guides light emitted from the light source unit to the display device, a projection side optical system which projects projection light generated in the display device, and a motor control part which determines whether to stop or drive the wheel motor in such a state that excitation light is shone on to the luminescent material layer by the excitation light source.

The invention provides a powder ridge machine with an underneath type main transmission mechanism and relates to farming machinery. The powder ridge machine comprises a sealed box body, a plurality of rotary cultivation tools, a main transmission mechanism and a secondary transmission mechanism, wherein the main transmission mechanism comprises a power input shaft, a driving conical gear mounted on a power input shaft and a driven conical gear engaged with the driving conical gear; the secondary transmission mechanism comprises a plurality of rotary cultivation shafts and inert wheel shafts; a cylindrical gear is mounted on the upper part of each rotary cultivation shaft and the bottom end of each rotary cultivation shaft stretches out of the sealed box body to be connected with the rotary cultivation tools to form a whole body; the tops of the inert wheel shafts are respectively staggered with the rotary cultivation shafts and are mounted on the sealed box body and inert wheels are mounted at the bottom ends of the inert wheel shafts; the main transmission mechanism is in an underneath type structure, namely the driven conical gear of the main transmission mechanism is mounted on the lower part of the rotary cultivation shaft in the middle; a spiral tillage plough share of each rotary cultivation tool is in a leftward rotation shape. According to the powder ridge machine with the underneath type main transmission mechanism, the damage to a bearing and a bearing cover can be reduced and the service life can be prolonged; the powder ridge machine with the underneath type main transmission mechanism has the characteristics of reliable transmission, simple structure and low cost and is good for popularization and application.

A rock burst/rock explosion analog simulation energy storage-time tank device belongs to the technical field of geotechnical engineering. By adopting the device, the study on the mechanism of rock burst/rock explosion can have breakthrough, the characteristics of energy and time factors which cause the rock burst are considered, and an elastic energy accumulating process can be recorded, and the time required by elastic energy releasing can be recorded. The lower ends of four long rigid rods and four short rigid rods of an extensometer are respectively connected with a strain gage, the lower ends of the four long rigid rods and the lower ends of the four short rigid rods of the extensometer are respectively fixed into an extensometer placement tank of a lower rigid pressing plate, the upper ends of the four long rigid rods of the extensometer are in contact with a 45-degree chuck arranged at the lower end of the upper rigid pressing plate; screw holes of the side wall of the four short rigid rods of the extensometer are in threaded connection with screws; an upper energy storage-time tank and a lower energy storage-time tank are respectively connected with an upper pressure sensor and a lower pressure sensor, and the upper pressure sensor and the lower pressure sensor are respectively connected with piston rods of an upper load cylinder and a lower load cylinder. The device is used for rock burst/ rock explosion analog simulation experiments.

The invention relates to a novel composite maintaining method of a hinged joint damage of a bridge. The method is characterized in that (1) a broken asphalt layer and cement paved layer on both sides of a hinged joint of a bridge to be maintained are chipped away, the broken concrete in a plate-girder chamfer is chipped away; (2) plastic foam and adhesive tapes are used for sealing the gaps at the bottom of the plate-girder chamfer; (3) a foldable reinforcement cage is arranged in the chamfer at the plate-girder hinged joint; (4) reinforcing steel bars on the upper part of the foldable reinforcement cage, reinforcing steel bars laid on the previous bridge deck and added reinforced nets are in electric soldering connection; (5) quick concrete is cast at the chamfer of the plate-girder hinged joint and the paved layer of the bridge deck; (6) the quick concrete is maintained; and (7) elastic concrete is paved and compacted on the quick concrete after the quick concrete reaches a specific strength, and the pavement can be opened. The maintaining method has the advantages that the structure problem is solved, the bridge decks are connected into a whole and integrally stressed, the maintenance is quick, and the traffic is little influenced.

Disclosed is a portable terminal using a flexible material. The portable terminal includes an upper portion, a lower portion and a flexible portion integrally connecting the upper and lower portions. The portable terminal is of a slide-type in which after the upper portion is bent about the flexible portion, the upper portion is slid in the lengthwise direction of the lower portion to open/close a predetermined area of the lower portion.

Disclosed is a solar cell including a semiconductor substrate, a conductive area including a first conductive area and a second conductive area formed on one surface of the semiconductor substrate, a passivation film formed on the conductive area, the passivation film having a contact hole, a protective film formed on the conductive area inside the contact hole, the protective film being formed on at least one of at least a portion of an inner side surface of the contact hole and the passivation film, and an electrode electrically connected to the conductive area through the contact hole with the protective film interposed therebetween.

The present invention relates to the treatment or prevention of kidney injury and in particular acute kidney injury, such as acute kidney injury associated with cirrhosis. The invention relates to the treatment or prevention of such injury by administration of an agonist of the P2X7 receptor.

A lifting table includes a lifting mechanism, a base, an upper tabletop and a tabletop mounting frame assembly; the lifting mechanism includes a plurality sections of lifting columns and a controller, and the lifting columns are matched and connected with one another; the base is installed at a bottom of the lifting mechanism, the controller is hidden in the base and connected with buttons on the tabletop mounting frame assembly; the upper tabletop and the tabletop mounting frame assembly are both installed on lifting columns, and the tabletop mounting frame assembly is located below the upper tabletop; through selection of buttons on the tabletop mounting frame assembly, a signal is sent to the controller so that the controller drives the lifting columns to stretch out or draw back and hence to drive the upper tabletop and the tabletop mounting frame assembly to raise up or lower down.

The invention is a sash operating device for a fume hood having a moveable sash. The sash operating device automatically closes the sash when a user is not near the sash for a predetermined period of time. The device may be manually controlled by the user to open, close or vary the size of the sash opening. The sash operating device has a drive wheel which contacts the sash with a normal force such that the device can open and close the sash.

A heat dissipation assembly includes a heat sink and a fan. The heat sink includes a plurality of fins. The plurality of fins is parallel with each other. Each of the plurality of fins includes two side faces. Each side face is waved. An air channel is located between two adjacent side faces of two adjacent fins. The air channel includes a plurality of wide portions and a plurality of narrow portions interlaced with the plurality of wide portions. The fan is located on a side of the air channel. The fan is adapted to drive air flowing fast in the plurality of narrow portions of the air channel and flowing slow in the plurality of wide portions of the air channel.

A simple configuration avoids exposure of a star wheel that prevents the media from lifting up when the media conveyance path opens. A platen top unit 20 that supports first and second star wheels 25A, 25B is separated from an opening and closing platen unit 8, and is supported movably vertically. when the platen unit 8 is moved to the open position 8B to open the third conveyance path section 10c of the conveyance path 10 when a paper jam occurs, for example, the head elevator 17 is controlled to raise the platen top unit 20 and retract the first and second star wheels 25A, 25B supported by the platen top unit 20 to a position removed from easy contact with the user's hands.

The invention discloses a railway track temporary supporting structure which comprises a plurality of fulcrum piles, the fulcrum piles are vertically arranged between an existing railway track and a newly-built tunnel, and the fulcrum piles are evenly arranged along the existing railway track at intervals. The longitudinal supporting beams are horizontally arranged at the upper parts of the fulcrum piles and are arranged in parallel along the direction of the existing railway track; transverse supporting beams are arranged at the intersection points of the fulcrum piles and the longitudinal supporting beams and arranged between the fulcrum piles and the longitudinal supporting beams. A plurality of transverse distribution beams are arranged between every two adjacent transverse supportingbeams; the fulcrum piles, the longitudinal supporting beams, the transverse supporting beams and the transverse distribution beams are combined to form an overhead stress structure; load of the existing railway track is transmitted to the overhead stress structure, settlement of the existing railway track is effectively reduced, the temporary supporting structure is removed after a newly-built tunnel penetrates through an existing railway track section in construction, beneficial construction conditions are provided for tunnel construction, and safety, stability and durability of the existingrailway track are guaranteed.