69results about How to "With hysteresis" patented technology

The invention relates to an integrated fertilization method under the condition of NPKS of double-cropping crops of wheat and corn, comprising the NPKS of wheat to sow corn and the NPKS of corn to sow wheat. In the invention, under the conditions of NPKS of medium and high yield level of wheat and corn which can be harvested twice a year, the fertilization amount per mu is as follows: 25-32kg of N, 13-18kg of P2O5 and 13-18kg of K2O, the higher of the yield of the two crops, the greater of the application proportion of the nitrogen fertilizer therein on the wheat, while the allocation proportion of phosphorus and potassium is slightly different. The integrated fertilization method under the condition of NPKS can not only give consideration to complete and strong seedlings and high and stable yield of the two-cropping rotation crops of wheat and corn, but can also give full play to the positive influence of NPKS to increase soil organic matter and improve soil fertility, eliminating the negative influence, and can further reduce waste and environmental pollution caused by unreasonable input and allocation of chemical fertilizer.

The invention relates to the manufacture technical field of polysilicon ingot furnaces, and aims to provide a closed cooling system of a gas cooled polysilicon ingot furnace. The system comprises a heat exchange platform positioned on a supporting column and used for placing a crucible, wherein a cooling gas channel is arranged in the heat exchange platform; a gas inlet and a gas outlet at two ends of the cooling gas channel are respectively connected with a cooling gas inlet pipeline and a cooling gas outlet pipeline; and the heat exchange platform, the cooling gas inlet pipeline, the cooling gas outlet pipeline, a cooling gas power pump group and a cooler form a closed circulation loop of the cooling gas. Compared with the cooling method of radiation cooling and water cooling, the system related by the invention has strong gas cooling control capacity and high industrial controllability; the gas is fed into the heat exchange platform evenly, so that the whole temperature of the heatexchange platform is even, which is in favor of even nucleation of a silicon melt at the bottom of the crucible; and the reducing speed of the temperature at the bottom of the crucible can be precisely controlled during the crystal growth.

The invention belongs to the technical field of medicine and relates to clopidogrel and salt submicron emulsion injection thereof as well as a preparation method of the clopidogrel and the salt submicron emulsion injection thereof. Particularly, the invention provides clopidogrel, salt submicron emulsion injection including clopidogrel, salt, oil for injection, assistant emulsifier, isoosmotic adjusting agents, pH adjusting agents and water for injection, and a preparation method of the clopidogrel and the salt submicron emulsion injection. 100 mL of the injection comprises clopidogrel, 0.05 g to 0.15 g salt (measured according to clopidogrel), 5 g to 30 g of oil for injection, 0.5 g to 3.4 g of emulsifier, 0 g to 1 g of assistant emulsifier, 2.0 g to 4.0 g of isoosmotic adjusting agents, and 7.0 g to 9.0 g of pH adjusting agents, and 100 mL of water for injection is added. The clopidogrel and the salt submicron emulsion injection thereof, provided by the invention, have the physical chemical property conforming to the requirement of drug for intravenous use and are suitable for clinical application.

The present invention relates to a method for preparing high-purity aluminium titanium carbide block material by utilizing hot-pressing process. Said method includes the following steps: using Ti powder, Al powder and TiC powder as raw material, using proper quantity of Sn as reaction adjuvant, mixing materials according to the mole ratio of Ti:Al:TiC:Sn=1:(0.9-1):1:(0-0.2), placing the mixed material and agate ball into a ball-grinding tank according to the ball material ratio of 2:1, dry mixing them for 5-10 h in ball-grinding machine, placing the uniformly-mixed material into a graphite mould, placing said graphite mould into a hot-pressing furnace, heating to 1350-1550 deg.C under the protection of argon atmosphere, at the same time applying pressure of 10-30 MPa then heat-insulating for 30-60 min so as to obtain the invented high-purity large-size Ti3AlC2 block material.

The invention discloses an indoor anti-condensation risk design control method and an integral control method. The design control method comprises the steps of determining a condensation influence factor of a fresh air system according to the condensation risk and the influence weight of the fresh air system; determining a condensation influence factor of a dry draught fan coil according to the condensation risk and the influence weight of the dry draught fan coil; determining a condensation influence factor of a metal radiant panel according to the condensation risk and the influence weight of the metal radiant panel; and summing up the condensation influence factor of the fresh air system, the condensation influence factor of the dry draught fan coil and the condensation influence factorof the metal radiant panel to form a room condensation influence factor. Through the method, the indoor condensation risk can be controlled and regulated at the design stage, and meanwhile, the specific running conditions can be further monitored at the running stage.

The invention discloses a fabricated bentonite interior partition wall board and a combination wall, and relates to the technical field of building fabricated walls. The fabricated bentonite interiorpartition wall board comprises pre-pressure devices, sliding chutes and bentonite interior partition wall blocks, wherein the pre-pressure devices are arranged at the upper ends of the bentonite interior partition wall blocks; the sliding chutes are formed in the lower ends of the bentonite interior partition wall blocks; the bentonite interior partition wall blocks comprise side plates and intermediate plates; the side plates are boards connected with main structures; one sides of the side plates are connected with the main structure through U-shaped clamps in the middle parts in a pulling way; the other sides of the side plates are connected with the intermediate plates through mortise and tenon joint; the intermediate plates are arranged in the middles of the side plates; and the multiple bentonite interior partition wall blocks are connected and arranged in multiple columns so as to form the fabricated bentonite interior partition combination wall. The combination wall realizes connection and the integration of a board body, a veneer is not only light, but also good in force performance, and meanwhile, an energy consumption function is realized. The combination wall is reasonable and reliable in connection and good in integrality, and is the innovative interior partition wall board.

The present invention discloses atmospheric synthesis process of high purity titanium aluminum carbide (Ti3AlC2) ceramic powder. High purity Ti3AlC2 ceramic powder is prepared through mixing Ti powder, Al powder, TiC powder and Sn as reaction assistant in the molar ratio of 1 to 1 to 1 to (0.1-0.2) for 5-10 hr; pressing at 10-50 MPa into block; and sintering in a high temperature furnace under protection of argon in the temperature raising rate of 15-50 deg.c/min and through maintaining at 1350-1550 deg.c for 5-15 min. The present invention has the advantages of simple apparatus, stable technological parameters, short Ti3AlC2 powder preparing period, high product purity and low cost, and is suitable for industrial production.

The superlattice structure material has micron lever ordered superlattice structure formed with magnetic hetero nano fiber and through self-assembling and has regular geometric shape, such as rectangular pyramid, etc. The preparation process includes setting magnetic hetero nano fiber solution of certain concentration in strong magnetic field at certain temperature for certain time to self assemble and spread into film, and drying to obtain superlattice structure. The hetero material has important application is display technology, high density memory and other aspects.

The invention discloses a method and device for calculating the energy efficiency of equipment, a readable medium and an electronic device. The method comprises the steps of forming a first time sequence and a second time sequence of the equipment; dividing the first time sequence into at least two first sub-sequences; determining at least two delay factor groups; aiming at each delay factor group, carrying out delay processing on each first sub-sequence by utilizing each delay factor in the delay factor group to obtain a delay time sequence, and calculating a correlation coefficient of the delay time sequence and the second time sequence; and determining a maximum value in each correlation coefficient, and calculating the energy efficiency of the equipment according to the delay time sequence corresponding to the maximum value and the second time sequence. According to the technical scheme provided by the invention, the problem that the energy consumption and the capacity of the equipment at the same moment are not corresponding is solved, and the energy efficiency of the equipment can be more accurately calculated.

The invention discloses a direct-current (DC) solid-state relay, and belongs to the relay field. The relay is composed of an input circuit, an isolating circuit and an output circuit which are sequentially connected together, wherein, the input circuit and the output circuit are respectively composed of a resistor, a switching tube and a diode, and a photoelectric coupler is adopted in the isolating circuit. The DC solid-state relay has the advantages that a positive feedback circuit is introduced into the input circuit so that the break-over voltage value and the cut-off voltage value of the relay are separated from each other and a certain margin is reserved; the relay has hysteresis characteristic, thus avoiding a critical jitter phenomenon; relay output is not affected by load, and ports are relatively independent; and the relay can accurately work in the case of an operation critical value, thus improving the operating stability.

The invention relates to the field of blast furnace smelting, and discloses a blast furnace smooth running index calculation method based on a moving range, which is used for more accurately calculating a blast furnace smooth running index so as to improve the stability of blast furnace condition operation. The method comprises the following steps: firstly, during blast furnace production, acquiring blast furnace state parameters in the latest period of time in real time, including the blanking speed of a blast furnace, the air pressure of the blast furnace, the top pressure of the blast furnace and the coal gas percentage in the blast furnace; then assigning values to various blast furnace state parameters respectively, the wind pressure, the top pressure and the coal gas percentage in the blast furnace being assigned based on respective moving ranges, the moving ranges being fluctuation values of the blast furnace state parameters in the latest period of time; and finally, obtainingthe blast furnace smooth index through assignment summation of all the blast furnace state parameters. The method is suitable for blast furnaces of iron works.

The invention provides a hygiene-grade corrosion-resistant temperature sensor. The hygiene-grade corrosion-resistant temperature sensor comprises an upper cover, a shell, a probe, a circuit part and a plastic part used for fixing the circuit part, wherein the upper cover and the probe are in sealing connection with the upper end and the lower end of the shell respectively; interiors of the upper cover, the probe and the shell form a cavity for accommodating the circuit part and the plastic part; the probe comprises a digital integrated chip, a probe main body and an adapter; the external surface of the adapter is a smooth surface; two clamping grooves are formed in the top end of the probe main body; a sealing ring and a sealing pad are successively arranged in each of the upper clamping groove and the lower clamping groove, so that waterproof, dustproof and sealing effects can be achieved; two symmetric wrench clamping grooves are formed in two sides of the probe main body. The corrosion-resistant all-metal temperature sensor also has various output manners and protection functions, is capable of measuring liquid and gas, is applied to the high-temperature and high-corrosion environment, and can be applied to the field of the hygiene industry.

An AGC circuit (70) amplifies a video signal according to again value output from again setting circuit (56). A clamp circuit (72) performs clamping of the direct current level of an output signal from the AGC circuit (70) at a clamp ability level according to a time constant set by a clamp time constant setting circuit (58). The clamp time constant setting circuit (58) receives input of the gain value generated by the gain setting circuit (56). A comparator circuit (120) compares the received gain value to a reference value, and, when the gain value exceeds the reference value, outputs a relatively large time constant. The clamp ability level of the clamp circuit (72) is controlled according to this time constant. In this manner, when the gain value is large, gradual clamping can be executed so as to minimize the influence of noise components superimposed on the direct current level, thereby suppressing transverse noise.

The invention discloses a multi-stage optimal configuration method for a product value chain in an uncertain environment. Constructing a multi-cycle and multi-product product value chain network model containing 10 nodes; the product value chain network model is composed of nodes and edges, the edges represent discrete events, the discrete events refer to trigger behaviors from one node to another node, and the given probability of occurrence of each discrete event is set as an uncertainty parameter; according to the product value chain network model, an objective function and constraint conditions based on multi-stage random mixed integer linear programming are established, and then optimal configuration of the product value chain is obtained through optimization. According to the method, the design and planning problems of the product value chain under the environment that the number of raw materials and the use position demand level are uncertain are solved, the calculation complexity is lower, and it can be guaranteed that the optimization result has good accuracy.

The invention discloses an expert recommendation method combining label construction and community relation avoidance. The method comprises the steps of acquiring a patent database and a paper database in the field of science and technology, and extracting authors in the paper database and inventors in the patent database to form an expert list; and then complementing the attribute information ofthe experts , completing expert attribute extraction and domain label extraction according to the attribute information; forming an expert library of the science and technology domain is according tothe relationship between the experts; filtering an expert set S1 with high matching degree according to the domain labels of the experts to obtain an expert set S2 needing to be avoided; obtaining preliminarily recommended experts, namely S = S1-S2; and sorting the experts according to the influence of related domains to obtain a final expert recommendation list. According to the method, expert avoidance is reasonably carried out, and high-level, high-influence and high-responsibility experts are recommended according to domain labels and influence of the experts; the working efficiency of expert selection is effectively improved; and meanwhile, the scientificity, fairness, independence and objectivity of scientific and technological evaluation or review are improved.