193results about How to "Guaranteed performance indicators" patented technology

The invention discloses a diluent enabling stability for acridinium ester antigen-antibody conjugate. The diluent is prepared by adding a carbohydrate, polyalcohol, amino acids, a protein stabilizer, a chelating agent, a surfactant, a preservative and an additive into a buffer solution; the diluent prepared by the invention overcomes the defect that acridinium ester is unstable and easily hydrolyzes in the buffer solution, can protect the acridinium ester antigen-antibody conjugate to improve its stability and prolong its service life, and also can be fully used in in-vivo diagnostic kits.

The invention discloses a method for realizing a hybrid automatic request repeat feedback mechanism. The method comprises the following steps: a base station transmits a shared control channel (HS-SCCH) of a high-speed downlink shared channel, and a downlink scheduling control channel of high-speed downlink packet access; a terminal decodes the received HS-SCCH, and receives a data packet loaded on a high-speed physical downlink shared channel; and the terminal carries out hybrid automatic request repeat feedback on a shared information channel (HS-SICH) corresponding to the HS-SCCH and an uplink feedback channel of high-speed downlink packet access. The invention also discloses a system and base station side/terminal side equipment for realizing the hybrid automatic request repeat feedback mechanism. By adopting the method, the system and the equipment, information can be fed back on the HS-SICH.

The invention discloses a low-alloy Q345D thick plate produced without adding micro-alloy elements and a production method thereof. The method disclosed by the invention is characterized in that on the premise of not adopting vacuum decarburization equipment such as an RH and the like, through using the existing equipment such as a VD (vacuum degasser) and the like of enterprises, the requirements for smelting low-carbon steel plates and extreme low carbon steel plates are met, therefore, under the condition that the profits of the enterprises at the present stage are not high, a heavy investment in large-scale equipment replacement and remodeling is avoided, thereby saving the investment for the enterprises, completely using the existing equipment of the enterprises, greatly reducing the capital investment of the enterprises at the present stage, and providing abundant preparation time for equipment replacement after the market situation takes a favorable turn in the future and the profits of the enterprises are improved.

The invention discloses a multi-system community antenna, comprising a main antenna array which at least comprises two antenna array elements for sending and receiving communication signals at a first frequency band together, and the antenna array element is composed of at least two radiating units; at least a secondary antenna array which at least comprises one antenna array element for sending and receiving independent frequency bands different from the first frequency band, and the antenna array element is composed of at least two radiating units; and a shared reflecting plate for arranging the main antenna array and the secondary antenna array and being used as a shared reflector of the main antenna array and the secondary antenna array; in each antenna array element of the main antenna array and unequal phase distribution feeding is carried out between the radiating units. The multi-system community antenna realizes effective integration of the traditional base-station antennas and the TD-SCDMA intelligent antennas; in addition, the compaction of the antenna is realized on the premise of ensuring performance index, thus ensuring the safety and practicability of the community antenna.

The invention relates to a degradable plastic film, which is characterized by comprising the following components in part by weight: 50 to 80 parts of film-grade polyethylene, 20 to 50 parts of film-grade polyactic acid, 2 to 10 parts of plasticizer and 1 part of heat stabilizer. A preparation method comprises the following steps of: preparing, rechecking, blanking, mixing, performing blow molding, inspecting, making a bag, performing quality inspection and warehousing. The degradable plastic film can be automatically decomposed at the environment temperature of higher than 55 DEG C or under the action of oxygen enrichment or microorganisms; the discarded film can be completely degraded and digested by the microorganisms in the natural world to generate carbon dioxide and water, and the polyactic acid is ideal completely degradable plastic; and degradable plastic with different degradation speeds can be prepared by blending the film-grade polyactic acid with film-grade polyethylene plastic. The degradable plastic film can be produced by the ordinary plastic film blowing machine, film-grade polyethylene particles and the film-grade polyactic acid can be uniformly mixed during production, and the degradable plastic film can be blown by the plastic film blowing machine.

The invention provides a tunable filter comprising a cavity, a cover plate which is assembled on the cavity and a plurality of tuning screw rods; at least two resonators are arranged in the cavity; every tuning screw rod respectively penetrates through each resonator; inductor devices capable of adjusting the coupling quantity between the tuning screw rods and the cover plate and the resonators are arranged; and the inductor devices are wound on the tuning screw rods. An electromagnetic field in an inductor is changed by changing the current which flows through the inductor or the direction of the current, so that a multi-band filtering function can be realized without manual debugging, performance indexes of the filter are guaranteed under different frequency while the filter is tunable, the frequency of the filter is tunable, the product cost is greatly reduced while the same functions are realized, the size is reduced, the material cost is reduced, simultaneously the workload of debugging and assembly is reduced, the miniaturization of the product is realized, and social resources are greatly saved.

The invention discloses an adaptive prediction control method based on the Hammerstein model. The adaptive prediction control method based on the Hammerstein model specifically comprises a first step that a data collection channel collects technological parameter values in the process of intermittent chemical production in real time and conducts data pre-processing, a second step that the processed data are transmitted to a neural network identifier, modeling is conducted by the neural network identifier, and the established model is revised in a simulating mode, a third step that a mixed adaptive prediction controller reads model parameters, and generates a control parameter to control motions of an executing mechanism, and a fourth step that a control algorithm is achieved. According to the adaptive prediction control method based on the Hammerstein model, a control system is designed through the control method based on the Hammerstein model, a nonlinear inversion element is introduced, prediction strategy is designed aiming at a linear element, and then the actual controlled quantity is determined through solving of a nonlinear algebraic equation set. Therefore, the calculated quantity of on-line optimization is reduced, and precise effective control over the intermittent chemical process is achieved.

The invention discloses a high speed steel finishing roll of a wire bar mill and a manufacturing method of the high speed steel finishing roll, belonging to the technical field of machining and casting. The finishing roll consists of a roll neck and a roll body comprising a working layer, a primary core and a core part; the working layer comprises the following chemical components: 1.50-2.50 percent of C, 0.40-1.00 percent of Si, 0.40-0.80 percent of Mn, less than or equal to 0.03 percent of P, less than or equal to 0.03 percent of S, 4.0-8.0 percent of Cr, 0.50-1.00 percent of Ni, 5.00-8.00 percent of Mo and 5.00-8.00 percent of V. In the casting process, the casting temperature and the rotating speed of a centrifuge can be controlled by adopting manners of high-temperature discharge from a furnace, low-temperature casting, high-speed mold filling and slow-down solidification. According to the high speed steel finishing roll and the manufacturing method of the high speed steel finishing roll, the adaptability of high speed steel materials on bar rolling can be effectively solved by reasonable design of alloy components and the processing technology, and the wear resistance and the millimeter rolling quantity of the roll are improved; in addition, the high speed steel finishing roll has favorable thermal crack resistance, and the working efficiency of a heavy and medium plate mill can be greatly improved.

The invention relates to a titanium tetrachloride purification system and a titanium tetrachloride purification method, wherein raw titanium tetrachloride material liquid treated by a vanadium removal process is subjected to heat exchange by a preheater and then flows into the middle of a de-light rectifying tower to remove impure light components such as SiCl4 and lose a little amount of titanium tetrachloride; the material flow at the tower bottom contains rather pure titanium tetrachloride and flows into the middle of a de-heavy rectifying tower to remove heavy components such as AlCl3 and FeCl3 and lose a little amount of the titanium tetrachloride; and highly pure titanium tetrachloride is obtained at the top of the tower. The operation pressure at the top of the de-light rectifying tower is the normal pressure, the reflux ratio is 60.0-80.0, and the theoretical stage number is 16-22 in total; and the operation pressure at the top of the de-heavy rectifying tower is the normal pressure, the reflux ratio is 1.0-1.2, and the theoretical stage number is 16-22 in total. The purity of the highly pure titanium tetrachloride is at least 99.99%, and the product recycling rate in the process is higher than 97.0%.

The invention discloses a high-performance assembling type construction reinforcing steel bar sleeve grouting material and a using method thereof, and belongs to the technical field of building materials. The grouting material consists of the following components in parts by mass: 80 to 100 parts of cement, 0 to 80 parts of quartz sand, 10 to 100 parts of mountain sand or river sand, 5 to 15 partsof an expanding agent, 0 to 1 part of a set retarder, 0.5 to 3 parts of a water reducing agent, 0 to 1 part of a defoaming agent and 15 to 80 parts of steel slag powder. When the grouting material isused, the cement, the quartz sand and steel slag are uniformly mixed in proportion first, then 2 to 3 times of water is added slowly, the materials are stirred, the expanding agent, the set retarder,the water reducing agent and the defoaming agent are added in proportion in a stirring process, and after the materials are stirred uniformly into the grouting material, the grouting material can beused. According to the grouting material, the quartz sand is partially or completely replaced by adopting the river sand or the mountain sand, the using of complex admixtures is reduced, and industrial waste steel slag is added, so that the performance of the grouting material can be maintained, and meanwhile, the cost is greatly reduced; therefore, the grouting material is suitable to be widely applied in an assembling type construction reinforcing steel bar sleeve grouting material.

This invention relates to a seamer follow-up system, which applies the three-phase continuous brushless current dynamo. The dynamo is connected with an electrified wire netting through the rectifier filter circuit and the driver, and connected with the seamer head, in addition to the controller through the sensor, while the seamer head connects to the controller through the sensor, and the controller export connects to the driver and the seamer head through the switch circuit and the magnetic valve, the input information of the controller is acquired by the man-machine interface.

The invention discloses a low-alloy Q345E medium plate produced without adding micro-alloy element and a production process thereof. The low-alloy Q345E medium plate comprises the following chemical components in percentage by weight: 0.13-0.19% of C, 0.20-0.50% of Si, 1.30-1.60% of Mn, less than or equal to 0.020% of P, less than or equal to 0.010% of S, 0.015-0.050% of Als, and the balance of Fe and residual elements. The process disclosed by the invention comprises the following steps: KR (knotted reactor) hot metal pretreatment of high-quality hot metal, processing with a top-bottom combined blowing converter, LF ((ladle furnace) refining, casting blank stack cooling, processing with a heating furnace, rolling, ACC (accelerated cooling) laminar flow cooling, processing with a hot straightener, stack cooling, finishing, external inspection, flaw detection and storage. The invention has the beneficial effects that: compared with the traditional Q345E, precious alloys such as Nb, Ti and the like are not added without changing the carbon equivalent, all performance indexes of Q345E are guaranteed, and the production cost is remarkably reduced.

The invention discloses a preparation method of bamboo dissolving pulp. The preparation method disclosed by the invention comprises bamboos as the raw material and comprises the following steps: pre-hydrolyzing bamboo chips through diluted acetic acid, stewing the pre-hydrolyzed raw material with sulphate, processing pulp through oxygen delignification, extracting the pulp with cold caustic, bleaching with D0-(EP)-D1, and thus obtaining the bamboo dissolving pulp. The prepared bamboo dissolving pulp is more than 90% of ISO (International Standardization Organization) in whiteness, more than 92% in content of alpha-cellulose, 959 ml/g in intrinsic viscosity, 3.23% in content of pentosan, 0.11% in content of ash, and 38% in yield; compared with the yield of 30-35% in the common process currently, the yield of the bamboo dissolving pulp disclosed by the invention is at least increased by 3-8%, and therefore, the preparation method of the bamboo dissolving pulp disclosed by the invention has great economic benefit.

The invention relates to a multi-input multi-output antenna device. The multi-input multi-output antenna device comprises a baffle board, at least two first dual-polarization array antennas, at least two second dual-polarization array antennas, a feed printed circuit board and a fixed beamforming network, wherein the feed printed circuit board is fixed to a first face of the baffle board, the at least two first dual-polarization array antennas and the at least two second dual-polarization array antennas are fixed to a second face of the baffle board and are connected with the feed printed circuit board, the fixed beamforming network is fixed to the baffle board, the at least two first dual-polarization array antennas and the at least two second dual-polarization array antennas are arranged in an upper and lower mode, and ports, in the +45-degree polarization direction, of the at least two second dual-polarization array antennas and ports, in the -45-degree polarization direction, of the at least two second dual-polarization array antennas form a +45-degree composite beam and a -45-degree composite beam respectively through the fixed beamforming network. According to the multi-input multi-output antenna device, while original performance indexes can be ensured, applicability of application is improved.

Cable location and holding equipment and adjust method use for single twist cabling machine and cage stranger. Existing technology adopts eye mould or three guiding rolls, but its adjust isn't easy and the eye mould easily wear out with friction and warm up. In this paper, a well style cable location and holding equipment is made up of four active guiding rolls and relates to inner rifled self-assembly pole-end joint bearing, outside rifled self-assembly pole-end joint bearing, guiding roll combination,guiding roll axes,active seat,up and down fix seat and revolving handle bolt. During the adjust, positive and negative revolving active seat adjusts cable passing hole, adjusts the foursquare hole in the middle of well style made up by parallel guiding roll axes. It saves cost and adjusts easily with credible operation and without continually changing eye mould. Four idler pulleys in well style move with credible with small friction and without warm up to keep each capability of credible.

The invention discloses a manufacturing method for a kind of square deflection magnetism core and the materials. 1) the Fe2O3, ZnO, Mn3O4, ...MgO, and additives CuO, Bi2O3 elements are blended, prebaked, and reacted with solid phase, the compound generates the ferrite phase after being prebaked; 2) the prebaked material are grinded into pulp with particle size less than phi1.8ª–m, then the additives are added in and carries on the atomization pelleting; 3) the particles are blended and pressed, formed in the automatic presser and special model; 4) uses the flat board or bake bearing base process to carry on oriented baking. The merits of the invention are: 1) it uses cheap materials ferric oxide, with current manufacturing device and special process, it decreases the cost greatly, the key technology parameter is upgraded; 2) PF design makes the magnetic flow area and the density distributed more reasonable, it upgrades the articulation and resolution of the screen; 3)( upgrades the deflection efficiency of negative transmitting pipe of the television receiver, reduces the idle work consumption of the electron beam deflection.