71results about How to "Efficient and stable performance" patented technology

The invention relates to a method for controlling a front-end device by a video monitor platform based on an SIP server cluster. The video monitor platform based on an SIP server cluster refers to a structure that a WEB server with an SIP signaling route function is respectively connected with a plurality of SIP proxy servers; a client end logs in a WEB page by accessing the WEB server and utilizes an SIP request and carries out signaling route by the SIP proxy servers so as to establish a conversation between the WEB server and an SIP gateway connected with a front-end device; the SIP gateway obtains the control information of the front-end device, builds instructions acceptable for the front-end device to control the front-end device and feeds back the controlled results of the front-end device to the WEB server by the SIP proxy servers; the WEB server stores the controlled results to a local database. The method can meet the requirements of large-size video monitoring and video commanding and dispatching which are interconnected and interoperable.

The invention provides a kit and method for detecting the mutation of an EGFR gene and particularly discloses a method, a primer and a probe for detecting the mutation of the EGFR gene, a kit including prime probe mixing liquid, a primer and a probe for detecting the mutation of a C797S locus, a primer and a probe for detecting the mutation of a T790M locus, a primer and a probe for detecting themutation of a 19del locus and a primer and a probe for detecting the mutation of a L858 locus. According to the method provided by the invention, 0.1% mutation rate can be detected based on a digitalPCR platform; and the method has the advantages that the optimization process is simple, much detected mutation types can be detected, the absolute quantification is realized, the sensitivity is high,samples are easily acquired, and the like.

The invention discloses a stable and efficient wet oxidation catalyst and a preparation method thereof, belonging to the technical field of water treatment and material preparation. The preparation method of the catalyst comprises the following steps: dropping a mixed salt solution containing copper, zinc, aluminum, iron and lanthanum and a sodium hydroxide solution into a sodium carbonate solution together, and then crystallizing, filtering, washing, drying and roasting to obtain a composite oxide catalyst, wherein a precursor of the catalyst has characteristics of layered hydrotalcite. The catalyst shows an efficient and stable catalytic effect on wet catalytic oxidation of industrial wastewater and analog pollutant phenol. The preparation method improves the activity and stability of a copper-based catalyst and expands the application area of the copper-based catalyst, and the synthesized composite oxide catalyst has important application values and prospects in the field of treatment on high-concentration organic wastewater through wet catalytic oxidation.

The invention discloses an assembled half-exposed framework high-pressure seal ring, which not only can seal in a rotating way, but also can seal in a reciprocating way. The seal ring includes a rubber body with a sealing lip, a metal framework vulcanized in the rubber, and a half-exposed framework, a pressure bearing ring taking a metal or non-metal composite material and a spring that are assembled on the rubber body. The half-exposed framework, the composite material pressure bearing ring and the rubber body of the seal ring are designed in an assembling way; and the composite material pressure bearing ring is arranged between the half-exposed framework and the sealing lip, and the pressure bearing ring bears a large amount of working pressure. The assembled half-exposed framework high-pressure seal ring has extremely high high-pressure resistance, outstanding and stable extrusion resistance, excellent heat dissipation and friction lubricating property, good eccentricity adaptability, extremely long service life, simple process, and efficient and stable machining.

The invention provides a method and kit for quantitative detection of BCR-ABL fusion genes. The specific technical scheme comprises that two BCR-ABL fusion genetypes are detected only by two differentupstream primers, a common downstream primer, a fluorescent labeled probe and a set of ABL internal reference gene detection system. With use of the specific primers and probes provided by the invention, the two fusion types of BCR-ABL can be detected only by one tube of a material, and the kit has the advantages of high specificity, good sensitivity and high accuracy.

The invention relates to the technical field of active safety of small and medium-sized horsepower tractors, in particular to a tractor active stability control system based on momentum flywheel for tractor anti-rollover safety, which comprises a flywheel system actuator, a flywheel system control unit (6), a battery (7) and a sensor unit (8). The actuating mechanism of the flywheel system comprises a momentum flywheel (2), a disk motor (3) and a bracket (4); A support (4) is arrange on that front part of the tractor through the connecting part; The disk motor (3) is fixed on the front part ofthe bracket (4), the momentum flywheel (2) is in the form of a hollow disk, is coaxially arranged with the disk motor (3), and is fixedly connected with the power output shaft (5) of the disk motor;The sensor unit (8) comprises an angle sensor (81) and a gyroscope (82). The flywheel system control unit (6) is fixed on the main body of the tractor, and is electrically connected with the sensor unit (8) and the disk motor (3) respectively. The battery (7) is mounted on the main body of the tractor.

The invention discloses a water curtain type discharge plasma efficient treatment device for organic wastewater. The treatment device comprises a high voltage electrode and a grounding electrode which are respectively connected with the positive and negative electrodes of the plasma power source, and an outer medium tube and an inner medium tube which are sleeved together, between the outer medium tube and the inner medium tube is a water curtain discharge area; wherein the outer wall of the outer medium tube is provided with an annular overflow groove, the outer groove wall of the annular overflow groove is higher than the tube wall of the outer medium tube, the grounding electrode is arranged in the annular overflow groove, the high-voltage electrode is embedded in the inner medium tube, the lower end of the inner medium tube is sealed, the lower end of the outer medium tube is communicated with a lower water tank, and the upper end of the annular overflow groove is sealed and provided with an air inlet pipe. The device takes full advantage of the ozone generated by the discharge plasma. In the field of water treatment, the device has the advantages of stable and high performance, no secondary pollution, high speed, simple structure, strong practicability and the like, and has a relatively good application prospect.

The invention relates to the technical field of shield tail seal grease, and discloses shield tail seal grease suitable for high-temperature and low-temperature environments and a preparation method thereof. The shield tail seal grease comprises the following ingredients in parts by weight: 35-70 parts of powdery filler, 10-25 parts of base oil, 10-25 parts of a thickening agent, 10-20 parts of atackifier, 3-5 parts of fiber, 1-5 parts of a fire retardant and 3-5 parts of a thixotropic agent. According to the shield tail seal grease, the ingredients are simple, the cost is low, the preparation is easy, and the sealing performance is good.

The invention discloses a method for preparing a metal organic framework material from a dielectric barrier discharge plasma. A metal salt and an organic ligand are added into a solvent, the metal salt, the organic ligand and the solvent are mixed and stirred evenly, and dissolved to obtain a reaction solution, the reaction solution is pumped into an inner tube of a dielectric barrier discharge plasma reactor, overflows from the edge of the inner tube lower than an outer tube, forms an even wall-hanging liquid film between the inner tube and the outer tube, and flows downwards slowly; and meanwhile, a working gas is introduced into the inner tube. Driven by a high-frequency high-voltage power supply, the plasma produced because of the discharge between a liquid electrode and a high-voltageelectrode of the outer tube acts on the liquid film flowing between the inner tube and the outer tube, so that the reaction solution reacts for a certain period of time under the action of the plasma, and the metal organic framework material is prepared. The method has the advantages of high synthesis speed, stable and efficient performance, strong adjustability, strong practicality, no secondarypollution and the like, and has a better application prospect.

The invention provides a primer, a probe and a kit for quantitatively detecting a BCR-ABL1 fusion gene. Specifically, a real-time fluorescent quantitative PCR technology (RQ-PCR) is utilized to design a specific primer and a probe of a major type (P210) and a minor type (P190) of the BCR-ABL1 fusion gene, target amplification of a target gene is achieved, and rapid and specific detection of the two fusion genes is achieved. The kit contains an artificially synthesized large fragment containing a major type (P210) or minor type (P190) fusion locus of the BCR-ABL1 fusion gene as a quantitative reference substance, and the fusion gene in a patient in each treatment stage can be quantitatively detected.

The invention provides a kit and method for detecting genetic mutation of PR regions and RT regions of HIV-1 genes, and particularly discloses method for detecting genetic mutation of PR regions and RT regions of HIV-1 virus pol genes in plasmas of HIV patient, a primer and a kit comprising mixed liquor of the primer. Based on a generation of sequencing platform, the method has the advantages of being multiple in mutation detection sites, high in accuracy and easy in sample acquisition.

The invention discloses an electroluminescence polymer as well as a polymerization monomer and preparation method and application thereof. The electroluminescence polymer has a structure as shown in formula (II) in the Description, comprises heteroatoms, is capable of increasing the yield of fluorescence quantum and the carrier transport capacity of a light emitting material, and is beneficial toa light emitting device for obtaining efficient and stable light emitting device properties. The electroluminescence polymer disclosed by the invention is relatively good in dissolubility, can be dissolved with common organic solvents and can be formed as a membrane through spinning, ink injection or printing, and a light emitting layer of a light emitting diode can be prepared. (Refer to Description).

The invention provides a reagent kit and method for detecting an M.tuberculosis isoniazide drug tolerance mutation gene, particularly a multiplex PCR amplification system of three target genes katG, inhA and aphC with M.tuberculosis isoniazide drug tolerance mutation is established, and through a high-resolution melting curve method, wild types and different mutation types can be distinguished. Inaddition, through binding a molecular beacon probe, a multiple asymmetric PCR reaction can be realized, so that the mutation site of a tuberculosis resisting bacterial strain can be detected quicklyand accurately, and multiple sites can also be detected in a disposable manner.

The invention provides a PIK3CA gene mutation detection reagent kit, and particularly discloses a primer and probe for detecting PIK3CA gene mutation, and a reagent kit comprising primer and probe mixed liquor. The mutation type of a plurality of PIK3CA genes can be detected. The method and the reagent kit disclosed by the invention can be suitable for dPCR detection, and have the advantages of being multiple in detection mutation types, high in sensitivity, small in sample dependence and the like.

The invention belongs to the technical field of organic photoelectricity and discloses electroluminescent materials based on carbazole five-membered heterocycle units as well as a preparation method and an application of the electroluminescent materials. The materials have the chemical structural formula shown in the description, wherein X is O, S, Se, Te or N-R; R is the same or different and isC1-20 straight-chain, branched or cyclic alkyl or alkoxy, C2-20 straight-chain, branched or cyclic alkenyl, straight-chain, branched or cyclic alkynyl, straight-chain, branched or cyclic alkyl carbonyl, aryl or heteroaryl, aralkyl or heteroaryl alkyl, aryloxy or heteroaryloxy, aryl alkoxy or heteroaryl alkoxy with 4-20 annular atoms, triphenylamine or derivatives thereof, carbazole and derivativesthereof, phenoxazine and derivatives thereof, phenothiazine and derivatives thereof, pyridine and derivatives thereof, oxadiazole and derivatives thereof and benzimidazole and derivatives thereof; Arl-Ar8 are one of conjugated or non-conjugated structural units.

The invention relates to a preparation method of a carbon-based fertilizer, in particular to pig manure carbon special for amino grafting modification, a preparation method and application of the pigmanure carbon in the aspect of farmland recession nitrogen recycling. The invention relates to a preparation method of special pig manure carbon for amino grafting modification. The method comprises the following steps: 1) drying raw materials: dehydrating the raw material pig manure until the moisture content is 80-85%, and sequentially carrying out acid washing, drying and crushing to obtain drypig manure powder; 2) carrying out liquid nitrogen pretreatment and high-temperature carbonization to prepare expansive pig manure carbon; 3) performing carboxylation treatment to obtain carboxylatedpig manure carbon; 4) amino grafting; adding the carboxylated pig manure carbon prepared in the step 3) into an ammonia water fluid; stirring for 20 to 24h under the oil bath heating condition of 200to 240 DEG C, cooling to room temperature, washing and filtering a reaction product, blow-drying with N2, carrying out vacuum drying on the product for 12 to 24h under the condition of 110 +/-5 DEG C, and grinding, so as to obtain the special pig manure carbon for amino grafting modification.

The invention relates to an electric seedling taking and throwing device. The device comprises end effectors, an end effector mounting plate, X, Y and Z-direction guide rails, a sliding block, servo motors, a transplanter mounting frame, a seedling feeding belt, support rollers, a support roller mounting plate, photoelectric sensors, tomato seedlings, a seedling dish, seedling leaking cups, a seedling leaking cup mounting plate, rotary seedling catching cups, a seedling catching cup mounting plate and a control cabinet, wherein the X, Y and Z-direction guide rails are arranged on the transplanter mounting frame in a combination manner; the photoelectric sensors are arranged at both sides of the guide rails; the seedling leaking cup mounting plate and the seedling catching cup mounting plate are arranged on the transplanter mounting frame; the seedling leaking cups are arranged on the seedling leaking cup mounting plate; the rotary seedling catching cups are arranged on the seedling catching cup mounting plate; one servo motor is arranged at the lower part of the seedling catching cup mounting plate; and the control cabinet is arranged at one side of the transplanter mounting frame.The device disclosed by the invention has the beneficial effects that an electric system is adopted, so that the device has the advantages of being stable, precise in control and the like; secondly,a modular design scheme is adopted, so that the device has the characteristics of being simple in structure, convenient to install and maintain and the like.

The invention provides a Fenton-like catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing a positively charged ferroferricoxide dispersion liquid; preparing a negatively charged carbon nanotube dispersion liquid; preparing a composite dispersion liquid containing the ferroferric oxide dispersion liquid and the carbon nanotube dispersion liquid; and carrying out suction filtration on the composite dispersion liquid, washing until the pH value of an obtained filtrate is 7, and drying to obtain the Fenton-like catalyst.The preparation process is simple, the active component and the carrier are firmly combined, the controllable preparation of the high load rate catalyst active component is achieved, and the preparedcatalyst has characteristics of high organic pollutant degradation catalysis efficiency and easy and efficient recovery.

The invention provides a preparation method of a vapor chamber upper cover plate, the vapor chamber upper cover plate, and a vapor chamber. The preparation method of the vapor chamber upper cover plate comprises the steps that the vapor chamber upper cover plate is manufactured; electrochemical deposition is conducted on the upper cover plate, and a capillary structure layer of a porous structureis formed on the inner wall of the upper cover plate in a deposition mode, specifically, the upper cover plate serves as a cathode of electrochemical deposition, the capillary structure layer is madeof copper, and an electrolyte for electrochemical deposition per liter comprises 30-80 g of copper sulfate, 150-200 g of sulfuric acid, sulfate with sulfate radical concentration of 0.04-0.55 mol/L, and 11.5-46.5 mL of a first additive; and heat treatment is conducted on the capillary structure layer to obtain the vapor chamber upper cover plate with the capillary structure layer. The capillary structure is constructed on the inner side of the vapor chamber through an electrochemical deposition method, the method is convenient to implement, simple in process and low in cost, the constructed capillary structure is easy to control in thickness, good in performance and tightly combined with the cover plate, and the method can be used for manufacturing ultrathin vapor chambers, and overcomes most process defects of a traditional method.

The invention provides a PIK3CA gene mutation detection method and kit, and concretely discloses a primer and a probe for detecting PIK3CA gene mutation, and a kit comprising a primer and probe mixedsolution. 11 mutation types of the PIK3CA gene can be detected at the same time, and the method and the kit are suitable for dPCR detection, and have the advantages of multiple detectable mutation types, high sensitivity, small sample dependence and the like.

The invention relates to a preparation technology of an electrochemical oxidation electrode material, and aims at providing a method for preparing a Ti/SnO2-Sb (titanium/tin dioxide-antimony) electrode by a tricarboxylic organic acid-Sn(II)/Sb(III) complex. The method comprises the following steps of using the pretreated Ti sheet as a working electrode, arranging counter electrodes at both sides in parallel, and respectively soaking the working electrode and the counter electrodes into an electrodeposition solution, wherein the electrodeposition solution is a mixed water solution of stannous dichloride, antimony trichloride, tricarboxylic organic acid and gelatin; connecting a positive pole of a direct current power source and the counter electrodes, and connecting a negative pole and theworking electrode; after the electrodeposition is completed, drying the working electrode at room temperature without cleaning; after drying, warming for 1 to 3h at the temperature of 450 to 650 DEG C, and cooling to room temperature, so as to obtain the electrode product. The preparation technology has the advantages that the operation is simple, the environment-friendly effect is realized, and the cost is low; the electrode surface is uniform and complete, and the covering degree is good; the antimony-doped tin dioxide is uniformly and densely distributed at the electrode surface, the specific surface area is high, and more active sites are provided in the electrochemical oxidation process; the service life of accelerated test of the electrode product is long, and the stability is good.

The invention discloses a tool hoisting device used for a shield tunneling machine. The tool hosting device comprises a hoisting device body. The hoisting device body comprises a hoisting shaft, a connecting plate, a rod body and a lifting hook. One end of the hosting shaft is fixedly connected with a grabbing head of a splicing device, and the other end of the hoisting shaft is fixed to the bottom of the connecting plate. One end of the rod body is fixedly connected to the side face of the connecting plate, and the other end of the rod body is connected with the lifting hook. The lifting hookcan rotate around the radial end of the rod body. When the grabbing head of the splicing device is fixedly connected with the hoisting shaft, a segment splicing and lifting device rotates and rises or falls to drive the hosing device body to change in altitude, and thus, a tool hung on the lifting hook is transferred towards a cabin of the tool hoisting device. By adoption of the design, the toolhoisting device is simple and reliable in structure, the hoisting shaft is grabbed through the grabbing head of the splicing machine on the shield tunneling machine, and then, the whole tool hoistingdevice is driven to move.