95results about How to "Improve functional stability" patented technology

A self-positioning and self-starting, tapered thread, orthodontic bone screw (25) for use in intra-oral corrections that serves as a craniomaxillofacial rigid post for orthodontic appliance fixation. The tip of the bone screw incorporates a defined sharp pin-point tack tip (2) to easily pierce the soft tissue and initially penetrate into the host bone for alignment and penetration. In series with the tack tip is a self-tapping, double, tapered thread (11) which allows an orthodontist to insert the bone screw post into the host bone in a single operation without the need for opening or flapping the surrounding soft tissue. As the bone screw penetrates the bone site, the tapered threads (24) allow for easy thread pick-up into the host bone while the increasing outer diameter of the thread (26) rigidly locks into the crestal bone. Once attached and fixated in the host bone, the distal cylindrical dome shaped driver head (12) acts as the fixation post for the anchorage of orthodontic appliances. Incorporated into the cylindrical dome shaped driver head are several attachment features including cross holes (13) and a snap-on undercut groove (19) for attaching orthodontic appliances either individually or simultaneously. The dome shaped head also incorporates a spline driver feature for easy pick-up, assembly and insertion of the screw with a corresponding spline driver tool (27) that allows the screw to be driven with either a standard square or cross slot driver feature.

The instant invention provides for proteins, polypeptides, nucleic acid sequences, constructs, expression vectors, host cells, pharmaceutical compositions of, and methods for using human placental bikunin, serine protease inhibitor domains, and fragments thereof

A water soluble functional polyethylene glycol-grafted polysiloxane polymer comprising a polysiloxane backbone and polyethylene glycol side chains is provided having the general formula:

wherein A is selected from the group consisting of hydrogen, methyl, methoxy and functional polyethylene glycol based chains, B is a functional group for binding biologically-sensitive materials, D is a functional group for binding to a substrate, m is from 3 to 5, v is from 0 to 5, w is from 4 to 11, x is from 0 to 35 and z is from 1 to 33. In order to be water soluble, the polysiloxane polymer h the following properties: x+y+z is from 8 to 40, n is from 8 to 30, and y is from 7 to 35.

The invention relates to a method for improving the function stability of a nickel-titanium shape memory alloy, and belongs to the field of nickel-titanium shape memory alloys. According to the method, dislocations and other defects are introduced into the nickel-titanium shape memory alloy, the dislocations serve as activity position points for promoting second phase nucleation, then, fine and evenly-distributed nano reinforcement phases are formed in a matrix structure of the nickel-titanium shape memory alloy through later aging treatment, accordingly, the matrix strength of the nickel-titanium shape memory alloy is obviously improved, and then the function stability of the alloy is improved. Meanwhile, in the method, only temperature martensite phase change induction circulation or stress martensite phase change induction circulation need to be conducted on a nickel-titanium shape memory alloy component before aging treatment, and operation is simple and convenient; and the methoddoes not have the requirement for the shape of the nickel-titanium shape memory alloy component, and the method is adaptive to the complex nickel-titanium shape memory alloy component and capable of effectively improving the function stability of the complex nickel-titanium shape memory alloy component.

The invention discloses a resource downloading system and method, and a crawler downloading system. The resource downloading system limits a capture frequency of a crawler to a site through a token bucket flow limiting method; a value range of a timestamp increase value of a token generated by a random token generator is determined according to the rate of query per second of the crawler to the site; and the timestamp of the token is determined according to a timestamp at a current moment and the timestamp increase value, so that the timestamp increase value of the token is limited to be a random value, the capture frequency of the crawler to the site is limited to be a random frequency, an anti-crawler program is prevented from identifying the crawler according to the characteristic, namely, a fixed capture frequency, the probability of identifying the crawler by the anti-crawler program is reduced, and the functional stability of the crawler is improved.

The invention discloses an antibacterial negative ion health care ceramic and a preparation method thereof. The preparation method comprises the steps of: A, preparation of glaze slurry: by mass percentage: mixing 10-15% of zinc oxide, 0.4-0.5% of barium carbonate, 0.3-0.4% of talc powder, 58-65% of borax, 10-12% of silicon oxide, 12-20% of boron oxide and 3-8% of a functional agent to obtain mixed powder, adding alumina ball-milling balls and distilled water, and performing ball milling; then adding tourmaline and cordierite, further conducting ball milling, and controlling the slurry at 300-350mesh to obtain the glaze slurry, wherein, the tourmaline and cordierite respectively account for 3-8% and 1-5% of the mass of the mixed powder; B, glaze slurry impregnation and first firing; and C, glaze slurry spraying and second firing, thus obtaining health care ceramic. Compared with the existing ceramics, the ceramic prepared by the method provided by the invention has the advantages of scientific compounding, reasonable preparation, stable performance, and no lead, cadmium or other extremely toxic substances, and also has uniform and lasting spectral antibacterial properties and air purification function, thus further broadening the application scope of the ceramic.

The invention provides a data processing method and device, electronic equipment and a readable storage medium. The method comprises the steps that when a random write request for first target data isreceived, determining a first target storage unit used for storing the first target data, and writing the first target data into the first target storage unit in a cache region; and when it is detected that the second target storage unit in the local cache region meets the full stripe requirement, transferring the data in the second target storage unit to the storage region of the cloud storage system. The method can improve the read-write performance and the system stability of the cloud storage system.

Provided is a technique related to a new sensor unit which is flexible in that the sensor unit can be installed in various locations such as inside of a structure with a large curvature, and which can stably measure multi-directional deformation and very efficiently and wireless measure deformation information, and thus provided is a technique of a sensor structure which can be universally utilized in various systems for measuring deformation information. The sensor unit using an electro-active polymer for the wireless transmission/reception of deformation information, according to a first embodiment of the present invention, comprises: a first sensor part formed from a fiber or film comprising a ferroelectric electro-active polymer material; a second sensor part configured to include the first sensor part therein, and formed from a matrix comprising a dielectric elastomer electro-active polymer material; and an electrode part provided to come into contact with the first sensor part or the second sensor part and, when an external force is applied to the first sensor part or the second sensor part, transmits to the outside an electric signal generated by the first sensor part or the second sensor part.

The invention relates to the technical field of ceramic glaze production, and provides a ceramic glaze with stable performance and a preparation method thereof. The ceramic glaze is prepared from 10-18 parts of quartz, 10-18 parts of Zuoyun soil, 5-15 parts of frit, 3-10 parts of modified nano silicon dioxide compounded graphene oxide, 3-10 parts of boric acid, 3-10 parts of zirconium silicate, 2-6 parts of calcite, 2-6 parts of strontium titanate, 2-6 parts of barium carbonate, 0.5-3 parts of ammonium dihydrogen phosphate, 0.5-3 parts of zinc oxide and 0.5-3 parts of fluorine-containing auxiliaries. The preparation method comprises the following steps: S1, preparing modified nano silicon dioxide compounded graphene oxide; S2, crushing and sieving; and S3, preparing slurry. The hardness and wear resistance of the glaze can be greatly improved, the glaze layer is compact in structure and can fill pores in the surface of a ceramic matrix, the stain resistance and cold resistance of a ceramic product are improved, and the obtained glaze is high in quality, stable in performance and long in service life.

The invention provides a posture self-adjusting movement balance device and method, an electronic terminal and a storage medium. The posture self-adjusting movement balance device comprises a detection unit, a control unit and an angle adjusting unit. The detection unit is used for collecting device posture data and/or road condition data, and the control unit is used for judging whether the device is in an acceleration/deceleration state or not in the moving process or whether an obstacle exists on the road surface or not; and if yes, it is guaranteed that a detection visual angle of a navigation detection device is always kept parallel to the ground by controlling the angle adjusting unit, so that the technical problem that unbalance of an intelligent vehicle affects function realizationof a vehicle-mounted device is effectively solved, and the function stability of the vehicle-mounted device is greatly improved.

The invention discloses a noctilucent deodorant ceramic glaze and a preparation method thereof. The preparation method comprises the steps of: firstly preparing a noctilucent deodorant glaze slurry, and then conducting glazing and sintering to obtain ceramic glaze. Specifically, the preparation method of the noctilucent deodorant glaze slurry consists of: by mass percentage, mixing 25-35% of low temperature frit, 30-40% of potassium feldspar, 10-20% of quartz, 3-6% of calcite, 3-6% of talc, 2-5% of calcium phosphate, 1-5% of kaolin, and 5-10% calcined soil to obtain mixed powder, adding a functional agent accounting for 3-10% of the mass of the mixed powder into the mixed powder and mixing the substances evenly, performing fine grinding, and adding water to obtain the glaze slurry, i.e. noctilucent deodorant ceramic glaze slurry. Compared with existing ceramic glazes, the ceramic glaze prepared by the invention has the characteristics of scientific compounding, reasonable preparation, stable performance, and no lead, cadmium or other extremely toxic substances, also has uniform and lasting spectral antibacterial properties, deodorizing properties and noctilucent function, thus further broadening the application scope of ceramic glaze.

The invention relates to an amplification circuit for a laser distance measuring receiving system. A power supply VCC and a power supply VDD are respectively a positive power supply and a negative power supply for the work of an operation amplifier U1, the power supply VEE is connected with one end of a magnetic ball L1, the other end of the magnetic ball L1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a cathode of a PIN tube D1, an anode of the PIN tube D1 is grounded, a capacitor C2 and a capacitor C3 are connected in parallel between the magnetic ball L1 and the PIN tube D1, the cathode of the PIN tube D1 is connected with one end of the capacitor C1, a resistor R2 is connected in series between the capacitor C1 and the reverse phase input end of the operation amplifier U1, the resistor R3 is connected in series between the reverse phase input end and the output end of the operation amplifier U1, one end of a resistor R4 is connected with the identical phase input end of the operation amplifier U1, and the other end of the resistor R4 is grounded. The amplification circuit is adopted for preventing the saturation phenomenon of the receiving PIN tube, and the normal work of the receiving circuit is ensured, so the function stability of the laser distance measuring system is improved.

The invention belongs to the fields of metal functional semiconductor oxides, sensitive resistance materials and devices, electronic ceramics and the like, and particularly relates to a technical method for realizing coherent sintering of an oxide composite phase and vanadium oxide crystal grains through a rapid heat treatment process. The method is characterized by comprising the following steps: adding a certain proportion of an oxide composite phase with a crystal structure and lattice parameters similar to those of vanadium oxide powder into the vanadium oxide powder, and carrying out a high-energy-scale heat treatment process to realize coherent sintering between vanadium oxide parent grains and composite phase oxides, therefore, the mechanical strength, the electronic phase change function stability, the fatigue resistance and the thermal shock resistance of the vanadium oxide electronic phase change material are greatly improved. Sensitive components such as a sudden change type thermistor and a pressure sensitive resistor which are further prepared from the composite vanadium oxide electronic phase change material have higher electronic phase change function stability, mechanical property, ageing resistance and thermal shock resistance, and the service life of the sensitive components is remarkably prolonged in extreme environments such as low temperature, high pressure and high radiation.

The invention discloses a photochromic health care ceramic and a preparation method thereof. The preparation method comprises the steps of: A, glaze slurry preparation: by mass percentage: mixing 10-15% of zinc oxide, 0.4-0.5% of barium carbonate, 0.3-0.4% of talc powder, 58-65% of borax, 10-12% of silicon oxide, 12-20% of boron oxide and 5-8% of a functional agent to obtain mixed powder, then adding alumina ball-milling balls and distilled water to conduct ball milling; then adding tourmaline and cordierite to further perform ball milling, and controlling the slurry at 300-350mesh, thus obtaining the glaze slurry, wherein the tourmaline and cordierite respectively account for 3-8% and 1-5% of the mass of the mixed powder; step B, glaze slurry impregnation: conducting impregnation of the glaze slurry and then performing first firing; and C, glaze slurry spraying: spraying the glaze slurry and then conducting second firing so as to obtain health care ceramic. Compared with the existing ceramics, the ceramic prepared by the method provided by the invention has the characteristics of scientific compounding, reasonable preparation, stable performance, no lead, cadmium or other extremely toxic substances, and also has uniform and lasting spectral antibacterial properties, photochromic and anti-radiation functions, thus further broadening the application scope of ceramics.

The invention discloses antibacterial radiation-resisting ceramic glaze and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing antibacterial radiation-resisting glaze slip, and then glazing and sintering to obtain the ceramic glaze. The preparation method of the antibacterial radiation-resisting ceramic glaze slip comprises the following steps: mixing the following materials in percentage by mass: 25 to 35 percent of low temperature frit, 30 to 40 percent of potassium feldspar, 10 to 20 percent of quartz, 3 to 6 percent of calcite, 3 to 6 percent of talc, 2 to 5 percent of calcium phosphate, 1 to 5 percent of kaolin and 5 to 10 percent of calcined clay to obtain mixed powder; adding a functional additive into mixed powder, and uniformly mixing, wherein the adding amount of the functional additive is 3 to 8 percent of the mass of the mixed powder; finely grinding, and adding water to obtain the glaze slip, thus obtaining the antibacterial radiation-resisting ceramic glaze. Compared with existing ceramic glaze, the ceramic glaze prepared by the preparation method disclosed by the invention is scientific in material burdening, reasonable in preparation and stable in performance; in addition, the antibacterial radiation-resisting ceramic glaze does not contain extremely toxic substances such as lead and cadmium; meanwhile, the antibacterial radiation-resisting ceramic glaze also has uniform and persistent antibacterial characteristic, air purifying characteristic and radiation-resisting function, and further the application range of the ceramic glaze is widened.

The invention provides a flexible short section bearing force through an axial elastic long rod body. The flexible short section comprises an upper connector, a lower connector, a connecting shaft, a supporting sleeve and an elastic pressure-bearing rod. The upper connector and the lower connector are connected in a hinged mode through the connecting shaft, the supporting sleeve fixedly sleeves the connecting shaft, an arc-shaped guide groove is formed in the outer circumferential face of the supporting sleeve, the elastic pressure-bearing rod is a rod body of an elastic structure, the two ends of the elastic pressure-bearing rod are correspondingly fixed to the upper connector and the lower connector in a limited mode, and the middle of the elastic pressure-bearing rod is in a two-dimensional curve rotation shape and penetrates through the guide groove. The long-rod-shaped elastic pressure-bearing rod serves as the elastic structure rod body of the flexible short section, the elastic pressure-bearing rod is bent under stress to drive the upper connector to deflect relative to the lower connector, and the flexible short section adapts to an inclined bending structure of an oil well. In the drilling or logging process, the flexible short section has the high dynamic automatic reset capacity, the adaptive capacity of the elastic pressure-bearing rod and the borehole bending curvature can be improved, the coordination capacity of the elastic pressure-bearing rod and the borehole bending direction can further be enhanced, the function stability is high, work reliability is good, and meanwhile, good power guidance performance is achieved.

The invention discloses an antistatic and antibacterial ceramic glaze and a preparation method thereof. The preparation method includes the following steps of preparing antistatic and antibacterial glaze slip and then carrying out glazing and sintering to obtain the ceramic glaze, wherein the preparation method of the antistatic and antibacterial glaze slip includes the following steps that by mass, 25-35% of low-temperature frit, 30-40% of potassium feldspar, 10-20% of quartz, 3-6% of calcite, 3-6% of talc, 2-5% of calcium phosphate, 1-5% of kaolin and 5-10% of calcined clay are mixed to obtain mixed powder, an antibacterial/antistatic functional agent accounting for 0.5-5% of the mass of the mixed powder is added into the mixed powder and mixed evenly, fine grinding is carried out, water is added to obtain glaze slip, and the antistatic and antibacterial ceramic glaze slip is obtained. Compared with an existing ceramic glaze, the prepared ceramic glaze is scientific in blending, reasonable in preparation and stable in performance; besides, the ceramic glaze does not contain extremely toxic substances such as lead and cadmium and has a uniform and lasting spectral antibacterial property and an antistatic function, and the application range of the ceramic glaze is further widened.

The embodiment of the invention provides an integrated anti-reverse-connection and high-side switching circuit and a controller. The integrated anti-reverse-connection and high-side switching circuit comprises a high-side driving unit, a power supply unit, a reverse-connection protection unit, a single-chip microcomputer unit and an enabling control unit. The high-side driving unit is electrically connected with the high-side load and is used for supplying power to the high-side load; the power supply unit is electrically connected with the high-side driving unit and supplies power to the high-side driving unit; the reverse-connection protection unit is electrically connected with the power supply unit to prevent the controller from being damaged by reverse connection of the power supply unit; the single-chip microcomputer unit is electrically connected with the enabling control unit and is used for sending a high-side enabling signal to the enabling control unit; and the enabling control unit is electrically connected with the high-side driving unit and is used for processing the high-side enabling signal and then sending the processed high-side enabling signal to the high-side driving unit. The integrated circuit has two functions of reverse connection prevention and high-side driving, the production cost is reduced, the occupied space of the circuit is reduced, and the stability of the circuit is improved.