118results about How to "Protected from vandalism" patented technology

The invention relates to an efficient mining method for a thick metal ore body in slanting, comprising the following mining steps: constructing a transportation roadway outside a dike, constructing flat roadways for rock drilling by sections, constructing a cutting roadway, constructing a cutting well, constructing a cutting groove and reserving a temporary triangular ore pillar, constructing a trench, constructing a sector medium-deep hole and implementing blasting and ore removal, and recovering residual ore. The method realizes safe and efficient recovering of metal ore bodies with the inclination of 30 to 55 degrees and the average thickness of 4 to 15m by adopting a medium-deep hole blasting ore dropping valve under the circumstance without a filling condition, thereby further improving the mining recovery rate and the mining efficiency.

Pharmaceutical compositions and methods for using are provided for restoring β-cell mass and function in a mammal in need thereof. The pharmaceutical compositions have a biological response modifier and a β-cell growth factor in admixture with a pharmaceutically acceptable carrier, adjuvant or vehicle.

The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery.

A semiconductor device of unipolar type has Schottky-contacts (6) laterally separated by regions in the form of additional layers (7, 7″) of semiconductor material on top of a drift layer (3). Said additional layers being doped according to a conductivity type being opposite to the one of the drift layer. At least one (7″) of the additional layers has a substantially larger lateral extension and thereby larger area of the interface to the drift layer than adjacent such layers (7) for facilitating the building-up of a sufficient voltage between that layer and the drift layer for injecting minority charge carriers into the drift layer upon surge for surge protection.

A compact antenna is configured of a plurality of planar unit cores, belt-shaped linking members permitting bending or elastic deformation arranged on one side of the plurality of unit cores and linking the unit cores, a coil wound around a linked assembly consisting of the plurality of unit cores and the linking members, and a covering for covering around the linked assembly and the coil. A manufacturing method comprises a step of winding the coil, a step of linking the plurality of unit cores by the linking members, and a step of inserting the plurality of unit cores linked by the linking members into a hollow in the wound coil.

The invention relates to a large-scale energy-efficient high-efficiency cone crusher, which comprises a rack, an upper lining plate, a lower lining plate, an electromotor, a transmission device, a crushing cone mechanism and a crushing cavity control mechanism, and is characterized in that the crushing cavity control mechanism consists of a feed hopper, a supporting sleeve, an adjusting sleeve, an outer gear ring, a push cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the rack, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, and the push cylinder and the outer gear ring are matched; lifting ends of the 4 jacks are all supported against the bottom surface of a flange ring of the supporting sleeve; the crushing cone mechanism consists of an eccentric sleeve, a cone gear, an eccentric shaft, a crushing cone, a bowl-shaped bearing and a bowl-shaped bearing sealing ring. According to the large-scale energy-efficient high-efficiency cone crusher, the size of a crushing cavity and the size of a throat can be adjusted, and the cavity cleaning operation is convenient.

The method for quantitative determination of the level of natural autoantibodies in human biological fluids, when as a solid phase of physical sorption is used the solid phase of physical sorption, coated with streptavidin, and the solid phase of physical sorption is treated with preliminary biotinylated antigen and blocking agent for closing the sites of nonspecific binding at the solid phase of physical sorption, for which purpose are used proteins, biotinylated according to standard procedure. As the conjugate-containing solution are used enzyme-labeled monoclonal and polyclonal antibodies, which react with one or all isotypes of human immunoglobulins. In addition, the tested biological fluid is preliminary diluted in a buffer, containing proteins which are used for closing the sites of nonspecific binding at solid phase of physical sorption, and also substances protecting natural autoantibodies from destruction during heat treatment, and subjected to heat treatment. For each tested specimen of biological fluid, a control solid phase of physical sorption is used, and the number of natural autoantibodies is determined with the use of a calibration curve which is plotted using monoclonal or polyclonal antibodies to antigen.

The method and device of the present invention for pain relief using ultrasound waves in combination with cryogenic energy includes a generator and a transducer to produce ultrasonic waves and a cryogenic source to produce cryogenic energy. Ultrasound waves are delivered to the target in combination with cryogenic energy. Ultrasound waves and cryogenic energy can be delivered to the target from the radial side of the ultrasound horn and/or tip or can be delivered from the distal end of the ultrasound tip. Cryogenic energy can also be delivered directly to the target through a central orifice. Ultrasound energy can also be delivered through a cryogenic spray at the distal end. The use of ultrasound waves in combination with cryogenic energy can provide an analgesic effect.

The invention discloses a traditional Chinese medicine fermented preparation for preventing and treating piglet diarrhea and a preparation method thereof. The traditional Chinese medicine fermented preparation for preventing and treating piglet diarrhea comprises the following components in parts by weight: 10 parts of andrographis paniculata, 8 parts of punica granatum peels, 8 parts of breynia fruticosa, 8 parts of portulaca oleracea, 6 parts of sophora flavescens, 10 parts of anemone chinensis, and 10 parts of coptidis rhizome. The preparation method of the traditional Chinese medicine fermented preparation for preventing and treating piglet diarrhea comprises the following steps of: pre-treating; preparing strain fermenting liquid; and fermenting the traditional Chinese medicine. The traditional Chinese medicine fermented preparation contains traditional Chinese medicine components capable of improving intestinal environment and metabolic products of multiple probiotics; and the traditional Chinese medicine fermented preparation obviously reduces the occurrence probability of piglet diarrhea, has no toxic or side effects, no pollution, no residual and no drug resistance, and can be widely used for feeding piglets.

A cubic liquid crystal composition comprising at least one amphiphilic compound having the following general formula (1) and having an IV/OV value of 0.65 to 0.95, and water or an aqueous medium:

A seal apparatus for closing a wellbore, the apparatus being universally deployable and capable of closing the wellbore even in the case of damage located beneath a present blowout preventer. The apparatus is based on the idea of introducing a seal into the wellbore in order to close it off to avoid damage from a rising fluid. For this purpose, the seal has at least one apron, or a capsule. An opening of the apron, or distending of the capsule, causes a non-positive and/or positive connection to be produced in respect to the wall of the wellbore such that the wellbore is closed.

The disclosure relates to a coating dispersion for coating printing substrates, especially paper and paperboard. Said dispersion is constituted of at least one defined percentage of water, a defined percentage of a swellable phyllosilicate and a defined percentage of a cross-linking agent. The cross-linking agent forms a bond with at least one functional group of the phyllosilicate as well as with at least one functional group of the printing substrate. The invention also relates to a method for producing a coated printing substrate onto which a coating dispersion is mechanically applied and dried, whereby the coating dispersion comprises at least the aforementioned components.

A circuit arrangement is provided, including at least one heat-generating power component and means for monitoring the temperature of the circuit arrangement. When a preset limiting temperature is reached, the means for monitoring the temperature reduces the power of the load using the power component by reducing the load current flowing through the power component. An electric switch including such a circuit arrangement is also provided.

A drive system for an electric motor includes a connection for a battery, and an inverter having an input side connected to an intermediate circuit and an output side having a connection for an electric motor. The intermediate circuit includes a first thyristor connected in parallel with an intermediate circuit capacitance. The drive system may also include a rectifier having an input side connected at the output side of the inverter in parallel with the electric motor, and a second thyristor connected an output side of the rectifier. The first/second thyristor are configured to be activated by a monitor incorporated in or assigned to the drive system. In the event of a malfunction, the input and/or output side of the inverter can be electrically isolated to allow a multiply redundant armature short circuit.

A storage service system includes a storage service user (SSU) which uses a data accumulation service, and a storage service provider (SSP) which provides a user terminal with a data accumulation area. The SSU monitors a free capacity of its own data accumulation unit such that the free capacity cannot be smaller than a predetermined value, and automatically transfers stored data to the SSP through a network when the free capacity becomes close to the predetermined value. Thus, the SSU can reserve a constant free capacity.

Disclosed is electronic device including a case body including a front surface side portion of the case body and a rear surface side portion of the case body; a flat display module accommodated in the case body; a conductive layer formed on an internal wall of one of the front surface side portion of the case body and the rear surface side portion of the case body, the internal wall being around a contact portion of both portions of the case body; a circuit board having electrical components mounted thereon; and a ground means that electrically connects the conductive layer to a GND of the circuit board.

The invention belongs to the technical field of construction energy dissipation structures and relates to a self-resetting buckling-restrained brace which comprises a central positioning plate and second-stage buckling-restrained units located on the left side and the right side. Each second-stage buckling-restrained unit comprises a connecting joint, a supporting core component, an outer sleeve steel pipe, a sliding bearing plate, a fixed bearing plate, a stable steel bar, a steel frame support, a belleville spring and a friction plate. The supporting core component, the sliding bearing plateand the stable steel bar are sequentially connected and slide in the outer sleeve steel pipe. The middle part of the supporting core component penetrates through the outer sleeve steel pipe; the outer end of the supporting core component is fixedly connected with the connecting joint; the fixed bearing plate, the steel frame support and the central positioning plate are sequentially connected, and the inner end of the stable steel bar penetrates through the fixed bearing plate; the friction plate in contact with the stable steel bar is arranged between the fixed bearing plate and the centralpositioning plate; and the compressed belleville spring sleeves outside the stable steel bar. The invention further relates to an energy dissipation method of the self-resetting buckling-restrained brace. The structure is simple, the bearing capacity of a main body structure is increased, and the self-resetting capacity is achieved.

An electric power tool has a plurality of operational component groups; a plurality of separate housings which accommodate the operational component groups, the housings being couplable with one another in series, at least one of the housings being composed of a synthetic plastic casing which is reinforced with a metal sleeve.

An oil reservoir having an oil inlet fitting and at least one oil outlet fitting for connecting to a hydraulic system. The reservoir comprising a housing having a lower housing part and a reservoir cover which is connected to the lower housing part and includes an integrated oil filter. An oil filler neck, which can be closed by a cap, is configured on the housing cover. The reservoir housing is equipped with at least one guide element which is attached to at least one inside wall of the reservoir housing and forms a circular guidance track for the oil. This guidance track forces the oil flow in a circular manner, after entering the reservoir and passing through the oil filter but before exiting the oil reservoir, such that any air which may be present is separated from the oil and can exit the oil reservoir via an air outlet.

The invention discloses a huperzia serrate endophytic fungus which is obtained from a pteridophyte, namely, a huperzia serrate plant by adopting a separating and purifying technology, is named Ceriporia lacerate HS-ZJUT-C13A and is collected in the China Center for Type Culture Collection on October 28, 2012 with the collection number CCTCC M 2012433. The strain provided by the invention can be used for preparing a compound, namely, 8alpha, 15alpha-epoxydized huperzine A with a nerve protection effect. A conversion method has the advantages of simple fermentation conditions, high substrate conversion rate and the like, is easily cultures the strain, has the potential of industrial large-scale production, is a novel way for obtaining the compound, protects valuable and rare medicinal huperziaceae plant resources from being damaged and can provide a novel thought for reliving the current situation of lack of huperzine A in clinical administration.

The invention provides a low-temperature gas explosion characteristic test method. The method includes the steps that firstly, gas tightness of a test system is checked; secondly, gas distribution and concentration detection are performed; thirdly, ignition energy is sequentially tested from low energy to high energy till gas in a test tank is ignited and exploded. According to the low-temperature gas explosion characteristic test method, mainly the explosion characteristics of combustible gas, the explosion inhibiting performance of filler and explosion venting reliability of a safe device are tested in any low-temperature state, in other words, in the low-temperature state, if a pressure container (such as a rectifying tower) filled with regular filler and rupture disks explodes, whether the regular filler and the rupture disks can effectively inhibit explosion and vent explosion or not is tested, and a rectifying tower body is protected against damage so that casualties can be avoided.

The invention discloses an energy feedback shock absorber with damping stiffness changing along with a road condition. The energy feedback shock absorber adopts a combined piston structure, through the combination of a first bent circuit throttle oil way and a second bent circuit throttle oil way, oil liquid in the upper cavity of a cylinder barrel is connected with a hydraulic system through the first bent circuit throttle oil way and the first oil way of a piston rod, oil liquid in the lower cavity of the cylinder barrel is connected with the hydraulic system through the second bent circuit throttle oil way and the second oil way of the piston rod, pressure oil flow circulation generation is realized, and the vibration energy of the shock absorber is converted into storable electric energy; a gas bag arranged at the bottom of the cylinder barrel is communicated with an oil-gas separation pressure balance type energy accumulator gas cavity, the volume of the gas bag is increased or decreased through the elastic deformation of the gas bag, and the problem that the changes for the volumes of the upper cavity and the lower cavity of the cylinder barrel are unequal when the piston slides is effectively solved; a control device appropriately delays the opening time of a related electromagnetic check valve according to pressure jump feedback obtained by a first pressure sensor and a second pressure sensor, and the adaptive control that the damping stiffness of the shock absorber changes along with the road condition is realized, so that the frequency and amplitude of vibration between a frame and an axle is reduced, and the frame can be effectively protected from being damaged.

The present invention provides an alternative solution to packaging for a plurality of unitary dosage items that is convenient for a user to carry with them. Preferably, the easily portable package contains a number of unitary dosage items that will remind a user of which dosages have been administered. The present invention is particularly useful for unitary dosages of items whose stability or shelf life may be enhanced by decrease of exposure to degradative influences, such as light, oxygen or physical destruction.

The invention relates to a polypropylene mesh/electro-spinning nano-fiber membrane as well as a preparation method and an application thereof. The polypropylene mesh/electro-spinning nano-fiber membrane is prepared through the following steps: (1) preparing a chitosan-polyethylene glycol hydrogel; (2) preparing basic fibroblast growth factor (bFGF) embedded polylactic acid-poly lactic-co-glycolic acid (PLGA) microspheres; (3) preparing an electro-spinning solution; (4) preparing the polypropylene mesh/electro-spinning nano-fiber membrane by use of an electro-spinning method. According to the polypropylene mesh/electro-spinning nano-fiber membrane, the polypropylene mesh and the nano-fiber membrane are compounded creatively, and therefore, the biocompatibility of the polypropylene mesh is improved by use of the nano-fiber membrane and the tensile strength of the nano-fiber membrane is improved by use of the polypropylene mesh, and the polypropylene mesh and the nano-fiber membrane supplement each other; in addition, the microspheres are introduced to realize controlled drug release; as a result, lots of defects of the clinical existing polypropylene meshes can be overcome.