96results about How to "Wrong damage" patented technology

The invention discloses an integrated chip system for high-throughput sorting and counting detection of biological particles, and an application. The chip system comprises a main microfluidic chip, a micropipe, a sample liquid micropump, an exchange liquid micropump, a first waste liquid collecting device, a second waste liquid collecting device, a third waste liquid collecting device, laser emitters, photoelectric conversion devices, optical fibers and a computer, wherein the main microfluidic chip comprises an asymmetric curved flow path, a first branch channel, a second branch channel, a third branch channel, a main flow path, a branch flow path, aligning marks, etc. The system utilizes the asymmetric curved flow path to realize pre-focusing and sorting for the particles, utilizes a liquid changing flow channel to realize change of a carrier liquid of to-be-tested particles and particle cleaning, and utilizes a viscoelastic effect and an inertial effect of a viscoelastic fluid to realize focus of single equilibrium position of section centers of the particles. The system does not need a sheath liquid, complex pre-cleaning of the particles, and optical alignment, has advantages of high speed, high precision, integration, miniaturization, automation, low cost, simple production process, easy batch production, etc.

The invention discloses a sectionalized flexible roll convexity regulation and control roller. The sectionalized flexible roll convexity regulation and control roller is mainly characterized in that an axial center through hole is formed in a roll core, one or a plurality of parallel ring-shaped electromagnetic rods are arranged on the roll core, axial through holes are regularly formed in the ring-shaped electromagnetic rods to be similar to 'honeycombs' in the appearance, a bundle of wires penetrates each axial through hole, two ends of each bundle of wires are individually connected with power sources by slide rings, signals can be independently fed by each bundle of wires, a groove is formed in the inner peripheral surface of each electromagnetic rod, a temperature sensor is arranged in each groove, an insulating support ring is arranged between every two corresponding electromagnetic rods, grooves are formed in two end surfaces of each insulating support ring, two shaft sleeve endcovers are arranged on the outer sides of the electromagnetic rods at two ends of the roll core, one of the shaft sleeve end covers is positioned by shaft shoulders, the other shaft sleeve end coveris connected onto the roll core in a threaded manner, grooves are formed in the end surfaces, which are adjacent to the corresponding electromagnetic rods, of the two shaft sleeve end covers, cylindrical roll sleeves are arranged on the outer peripheral surfaces of the electromagnetic rods, the insulating support rings and the shaft sleeve end covers, and a slide ring is arranged on the top of theend, which is provided with a boss, of the roll core. The sectionalized flexible roll convexity regulation and control roller has the advantages of high plate shape regulation and control ability, roller stiffness and regulation and control speed.

The invention discloses a novel flexible chuck which comprises a clamping part made of elastic materials and a connecting part. The clamping part comprises at least two matched fingertips for clamping, a finger seam is formed between every two fingertips, and a finger cavity is formed inside each fingertip; the connecting part comprises a communication cavity which is communicated with all finger cavities, and the connecting part is provided with a communication opening communicated with the communication cavity; and each fingertip comprises an inner wall close to the finger seam and an outer wall close to the finger seam, the thickness of the inner wall is smaller than the thickness of the outer wall, or the elasticity modulus of the inner wall is smaller than the elasticity modulus of the outer wall. The flexible chuck is suitable for clamping tiny objects. In addition, the invention discloses a flexible clamp and a flexible clamping pen which use the flexible clamp.

The invention discloses a method for treating sulfidized hydrogenation catalyst outside container, which adds the sulfidized hydrogenation catalyst into the container with deoxidized water while the water can completely cover the catalyst to be sealed and stored. The invention can avoid the contact between catalyst and air to effectively protect catalyst and avoid the self-combustion of it. And the invention has easy operation and simple application. Since the protective agent in said invention is water with lower cost, it will not pollute environment and people in the transportation and filling process.

The invention discloses an organic amendment capable of passivating Cu, Zn and Pb in soil of a vegetable field. The organic amendment is composed of the following components by mass percent: 10% to 50% of phosphate rock powder and 50% to 90% of wormcast. The organic amendment can be used for passivating heavy metals in contaminated soil, and especially used for passivating the Cu, the Zn and the Pb in the vegetable field soil which is moderately or slightly contaminated so as to decrease the content of the heavy metals in an acid extracting state, an oxidation state and other active states and increase the content of the heavy metals in an organic state, a residual state and other low active states, so that the content of the Cu, the Zn and the Pb in plants is obviously reduced, and a large quantity or an intermediate quantity of micronutrients required by the growth of the plants can be provided at the same time. Thus, the soil property is improved, the ecosystem health of the soil in the degraded vegetable field is restored, and the successive cropping obstacles of the soil are overcome. As a result, the yield and the quality of vegetables are improved.

The invention provides a grinding device of a parting line of a resin molding and can grinding resin moldings having different shapes quickly. The grinding device of the parting line of the resin molding is composed of an annular grinding belt (1) rotating along a generally perpendicular direction and grinding burrs or jumps of the parting line (52) of the resin molding (W); a push and press pulley (21) capable of moving freely and provided with the grinding belt (1) on the back for pushing and pressing a part of the grinding belt and forming an inclining angle of an incline face of the grinding belt (1); a grinding plate (2) used for fine grinding and having a smaller thickness a low rigidity than the grinding belt (1); and a work piece holding tool (3) carrying the resin molding (W) in a dismountable manner to make the parting line (52) in a generally horizontal direction.

An apparatus and a method for testing laser frequency doubling crystal properties. The apparatus includes, in a successively arranging manner, a laser source, an incident laser path, an object supporting bench, a secondary harmonic laser path, a pinhole, an incident light color filter and a photoelectric multiplier tube. During test, a laser frequency doubling crystal is irradiated by laser by a property that the laser frequency doubling crystal can frequency-multiplying an incident laser to generate secondary harmonic of the incident laser. An emitted secondary harmonic is received by the photoelectric multiplier tube to obtain light intensity of the secondary harmonic. By means of the apparatus for irradiating different zones in the laser frequency doubling crystal, secondary harmonic intensities in the different zones are obtained. By analyzing the secondary harmonic intensities in the different zones, determination of structure and properties of the laser frequency doubling crystal is carried out. The apparatus and the method can analyze the internal structure of the laser frequency doubling crystal without damage of the laser frequency doubling crystal, thereby achieving non-destructive detection of quality of the laser frequency doubling crystal.

The invention discloses a construction method for preventing instability of a shield tunnel under high-sensitivity stratum conditions. The construction method comprises the steps of 1, arranging surface monitoring points, 2, installing grouting anchoring guide pipes, 3, determining grouting pressure and grouting amount, 4, grouting under pressure, 5, judging whether the surface is uplifted or not,6, judging whether the grouting pressure and the grouting amount reach design value or not, 7, troubleshooting, 8, stopping grouting under pressure and plugging a lifting hole and 9, one by one reinforcing tunnel segments of same rings which form a working surface in a tunnel section to be monitored. The deficiencies of synchronous grouting during shield tunneling under the high-sensitivity stratum conditions are effectively overcome, secondary filling is carried out at the backs of walls, the scope of grouting, filling and reinforcing of the backs of the walls of the tunnel segments is increased, the ability of the segments to withstand external forces is improved, and tunnel settlement deformation is resisted; and meanwhile, the grouting anchoring guide pipes can provide effective support force to lining segments, the overall stability of the shield tunnel is improved, and the risks of deformation and instability of the shield tunnel during construction and operation are effectivelyavoided.

The invention discloses a protective circuit applied to a wireless power supply system and a wireless power supply system. The wireless power supply system comprises a transmitting terminal, a transmitting terminal control unit, a receiving terminal and a receiving terminal control unit, wherein the receiving terminal is connected with a load. The protective circuit is arranged between the receiving terminal and the load. The protective circuit comprises a voltage detection unit, a discharge unit and a control signal output unit, wherein the voltage detection unit is connected with the receiving terminal, the discharge unit and the control signal output unit, the discharge unit is further connected with the receiving terminal, and the control signal output unit is further connected with the receiving terminal control unit. The wireless power supply system is provided with the protective circuit between the receiving terminal and the load, thereby not only ensuring that no damaged is imposed on the load when the load voltage is too high in charging, but also cutting off a power supply of the transmitting terminal so as to protect a transmitting terminal circuit, and improving the safety performance of the whole wireless power supply system.

The invention belongs to the technical field of workpiece straightening, and particularly relates to a straightening machine with a downward pressing starting point detection function. The straightening machine comprises a base, a plurality of mounting seats are arranged at the upper side of the base, and a containing plate is arranged between every two front and back adjacent mounting seats; bearing seats and straighteners are arranged at the opposite sides of the front and back adjacent mounting seats and above the containing plates, sliding columns capable of being matched with the bearing seats to be in up-down sliding connection are arranged on the bearing seats, limiting caps are arranged at the top ends of the sliding columns, and limiting blocks and connecting blocks are arranged on the sliding columns and below the bearing seats; and the sliding columns are in threaded connection with the connecting blocks and the bearing seats in a matched manner, and transmission seats are arranged at the two sides of each connecting block. By means of the straightening machine, a workpiece can be straightened in all directions under the condition that the rust removal efficiency is guaranteed, the automation degree is high, and safety and reliability are achieved.

The invention discloses a Cr-Ni stainless steel hot cladding surface reinforcement method which comprises the following steps: (1) before hot cladding, the surface of a workpiece is pretreated; (2) a ceramic hard alloy electrode is used for hot cladding treatment, a self-rotating hot cladding gun is adopted, the rotational speed ranges from 2000 to 2500 r/min, and a mechanical clamping electrode is adopted; and (3) under the protection of argon gas which is inert gas, hot cladding equipment is used for treatment, and the flow rate of argon gas is controlled to range from 5.5 to 6.5 L/min. the method has the advantages of simple equipment, convenience in operation, high coating bonding strength and good wear resistance, produces no damage to metal surface, greatly improves the bonding strength and wear resistance of the surface of stainless steel, improves the work stability of Cr-Ni stainless steel, and extends the service life.

The invention relates to a placing device, in particular to a fixed placing device for electromechanical equipment. According to the fixing and placing device for the electromechanical equipment, damping of the electromechanical equipment can be facilitated, and damage to the interior of the electromechanical equipment is avoided. A fixing and placing device for electromechanical equipment comprises a fixing and placing box, mounting frames, fixing vertical cylinders and supporting stand columns, the four mounting frames are connected to the lower portion of the outer side face of the fixing and placing box at intervals in a bolt mode, the fixing vertical cylinders are fixedly connected into the mounting frames, and the supporting stand columns are arranged in the fixing vertical cylinders in a sliding mode. According to the electromechanical equipment shock absorption device, the stress holding rod pulls the sealing bottom frame to swing outwards, then the electromechanical equipment is placed in the fixed placement box, the first buffer spring buffers the electromechanical equipment through the buffer rubber plate, and then the supporting stand column also plays a role in buffering the fixed placement box through the supporting spring, so that the electromechanical equipment can be conveniently damped, and the service life of the electromechanical equipment is prolonged. And the interior of the electromechanical equipment is not damaged.

The invention relates to an acidic cleaning agent as well as a preparation method and application thereof. The acidic cleaning agent comprises the following components in percentage by mass: 5%-20% of organic acid, 3%-10% of inorganic acid, 5%-30% of a reducing agent, 1%-8% of a pH buffering agent, 1%-8% of a surfactant, 1%-5% of a chelating agent and the balance of water. The organic acid, the inorganic acid and the pH buffering agent in a specific ratio are matched to provide a specific acidic cleaning environment, and in the acidic environment, the polishing powder shows strong oxidizing property; and meanwhile, the reducing agent with a specific ratio is added, so that the polishing powder and the reducing agent are subjected to a chemical reaction quickly in a specific acid environment, the wetting and dispersing effects of the chelating agent and the surfactant with a specific ratio are matched, and all the components with specific ratios are coordinated and matched, so that the polishing powder on the surface of glass can be treated very quickly, and the glass is not damaged.

The invention discloses a test paper quantity counting device and a working method thereof. A support, a sliding rail, an upper baffle and a lower baffle are arranged, wherein the upper baffle can move up and down along the sliding rail, a distance between the upper baffle and the lower baffle is adjusted, test papers with different thicknesses can be measured, a first polar plate and a second polar plate of a capacitive sensor are respectively arranged at the bottom of the upper baffle and the bottom of the lower baffle, the capacitance measured by the capacitance sensor is changed by utilizing different thicknesses of media between polar plates of the capacitance sensor, the thickness of a test paper between the upper baffle and the lower baffle is measured, therefore, the number of testpapers is calculated, the upper baffle capable of moving along a slide rail can compact a to-be-tested roll, the upper baffle is supported on the support through the sliding rail, the upper baffle can only move in the direction of the sliding rail, that the opposite area of the two polar plates is constant is guaranteed, the number of the test papers can be rapidly and accurately measured, the structure is simple, cost is low, and the test papers are not damaged.

The invention discloses a heavy-load rolling linear guide-way pair capable of homogenizing errors. The heavy-load rolling linear guide-way pair comprises a sliding block and a guide rail. Rolling elements are arranged between four track contact surfaces of the guide rail and the sliding block. The rolling elements move in the sliding direction of the sliding block. Smooth generatrices are arranged at the two sides of each rolling element. Each generatrix comprises a stressed arc located in the middle and corrected arcs corrected at the ends. The inner concave surface of a sliding block track and the generatrices of the rolling elements form inner contact points, and the outer convex surface of a guide rail track and the generatrices of the rolling elements form outer contact points. The inner contact points and the outer contact points are in o-shaped distribution by using the geometrical symmetry center of the guide rail track as the center of a circle. When the sliding block suffers from unbalance loading or the guide rail deviates on the whole, the contact points formed by inner contact and outer contact can deviate, and therefore the influence on rolling element contact areas by unbalance loading or overall skewing of the tracks can be offset, the effect that the contact stress of inner contact and outer contact does not exceed a limit value is guaranteed, and the surface of the guide rail track cannot be damaged.

An electronic-device housing assembly comprises a housing and a fixed mount used for fixing a display module to the housing. The fixed mount is detachably installed on the housing. The fixed mount contains a bottom frame, a side frame arranged on the periphery of the bottom frame, a mounting plate and a mounting block. The mounting plate is disposed on the side frame. The mounting block is slidingly installed on the mounting plate and positioned between the mounting plate and the display module to cooperate with the mounting plate and the bottom frame so as to clamp the display module and lock the display module on the housing.