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61results about How to "High tolerance" patented technology

Slow-release high-adaptability polyester polycarboxylic acid water-reducing agent and preparation method and application thereof

ActiveCN104177562AHigh toleranceDelayed hydrationIonCement particle
The invention discloses a method for preparing a slow-release high-adaptability polyester polycarboxylic acid water-reducing agent. According to the method, a slow-release positive-negative non-ionic mud-resistant polyester polycarboxylic acid water-reducing agent product is synthesized by utilizing a high-molecular structural design principle. The invention also discloses the slow-release high-adaptability polyester polycarboxylic acid water-reducing agent prepared through the method and an application of the slow-release high-adaptability polyester polycarboxylic acid water-reducing agent in concrete. Compared with the prior art, the slow-release high-adaptability polyester polycarboxylic acid water-reducing agent disclosed by the invention has the advantages that the molecular structure of the product contains an ester group and an amide group which are unstable in a cement strong-alkali environment, positive amine ions generated by hydrolyzing the amide group achieve a sealing effect on mud carried with negative charges so that the mud-resistant effect is achieved, the thickening effect is achieved on cement mortar, and the hydration of cement particles is postponed. The slow-release high-adaptability polyester polycarboxylic acid water-reducing agent disclosed by the invention has the advantages of high water-reducing rate, good slump ageing stability, high tolerance on the mud and good adaptability on coal ash, fine ore, stone powder, clays and the like.
Owner:广西红墙新材料有限公司

Synthesizing method of bisphenol A polyoxyethylene ether modified sulfamate water reducing agent

The invention discloses a synthesizing method of a bisphenol A polyoxyethylene ether modified sulfamate water reducing agent. The synthesizing method includes the steps of firstly, adding phenol, bisphenol A polyoxyethylene ether, sodium sulfanilate and deionized water of a certain proportion into a reaction kettle, and sufficiently stirring under normal temperature to allow a reaction system to be homogeneous and transparent; secondly, heating to 55-65 DEG C, using NaOH to regulate the reaction system to be alkaline, and controlling pH to be 9.00-13.00; continuing heating to 80 DEG C, dropwisely adding formalin into the reaction system at constant speed, wherein dropwise adding time is 2-4 hours, and the temperature during the dropwise adding is kept at 80-90 DEG C; fourthly, performing reaction at 80-100 DEG C in a heat preservation manner for 3-5 hours, cooling to below 40 DEG C, and discharging to obtain the bisphenol A polyoxyethylene ether modified sulfamate water reducing agent. The modified sulfamate water reducing agent prepared by the method has the advantages that the problem that water bleeding and hardening of newly blended concrete are caused easily when a sulfamate water reducing agent is used independently is solved effectively, product application range is widened greatly, and high water reducing rate can be achieved when the modified sulfamate water reducing agent is used independently and directly.
Owner:FUSHUN DONGKE FINE CHEM +1

Passive heat dissipation server node case

The invention discloses a passive heat dissipation server node case, and belongs to the technical field of computer science. The computer processor solves the problems that an existing computer processor needs timing ash removal, has high requirements for the working environment and is single in fault detection function. The case is a closed shell, so that dust in an external working environment cannot enter the heat dissipation shell, and equipment short-circuit faults caused by the dust are reduced. A voltage sensor and a current sensor are used for collecting input and output voltage and current of a CPU main circuit board and a GPU slave circuit board; whether input and output signals and voltage and current of the system are detected at the same time. Whether software and hardware ofthe passive heat dissipation server node case work or not is monitored; the working state of the system is monitored in real time, when it is detected that the input current or voltage and the outputcurrent or voltage of the CPU master circuit board and the GPU slave circuit board are zero, it is indicated that case hardware breaks down or the system breaks down, a power source is restarted, andthe system is reset in time.
Owner:INFORMATION & COMM COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY +1

Number mass balance counting method in mineral separation industry

The invention relates to a number mass balance counting method in the mineral separation industry. The number mass balance counting method comprises the steps that firstly, a mass balance equation is listed according to the fact that the actual total mineral separation industry procedure input mass is equal to the total output mass; secondly, the priori knowledge serves as a constraint condition, and the mass balance equation is converted into a non-linear optimization question; thirdly, the non-linear optimization equation in the second step is solved, the obtained measurable value serves as a measurable modification value seen in the specification, the obtained solved value serves as a calculation value of the solved value seen in the specification, and the number mass balance question is solved. According to the number mass balance counting method in the mineral separation industry, the priori knowledge is fully utilized, the pure mass balance equation is converted into the non-linear optimization question based on the priori knowledge to be solved, very large tolerance is provided for the error of field measuring, the unreasonable measuring value can be automatically modified even when large errors exist in measuring, the reasonable and credible results can be reckoned, and the number mass balance counting method can be widely applied to the field of the mineral separation industry.
Owner:TSINGHUA UNIV

Device and method for introducing liquids into meat

Disclosed is a device and a method for introducing liquids into meat containing bones and/or cartilage or connective tissue, e.g. in the slaughtered body of poultry as well as in legs and belly meat, in order to treat, season, and/or preserve said meat. The aim of the invention is to create a device and a method which make it possible to simultaneously introduce exactly defined, even very small quantities of water, brine, preservatives, seasoning liquids, and/or other liquids in a manner that is adapted to the anatomy of the body of the slaughtered animal, even into meat containing bones and/or cartilage or connective tissue, within a very short period of time on almost any conveying unit, even an existing one, and even on a slaughtering conveyor belt, without using any needle while beinghighly effective and highly reliable, having a robust structure, and providing minimal tolerance of the injected quantity. Said aim is achieved by a device for introducing liquids into meat, comprising a base frame (1). Said device is characterized by the fact that one or several machine frame/s (3) is/are arranged in a rigid manner or so as to be movable in a linear direction on the base frame (1) while one/several injection device/s (6) which is/are used for needle-free injection and is/are connected to one/several high pressure unit/s (4) via one/several liquid distribution system/s (5) is/are disposed on the machine frame/s (3), each injection device (6) comprising one or several nozzle pipe/s (7) on which one or several spray nozzle/s (8) is/are arranged and which is/are disposed on the machine frame (3) so as to be deliverable. The inventive method is characterized by the fact that each of the nozzle pipes (7) as well as one/several spray lance/s (6) can be separately impinged upon by an identical and/or different, precisely defined pressure that is applied to different liquids for identical and/or different, exactly defined periods of time.
Owner:FEINA

Radio frequency tag identification and near field communication system based on planar magnetic metamaterial

InactiveCN105574462AEnhance signal and energy transmission efficiencyHigh toleranceNear-field transmissionRecord carriers used with machinesRadio frequencyDislocation
The invention relates to a radio frequency tag identification and near field communication system based on a planar magnetic metamaterial, and the main work frequency is 13.4-13.7 MHz. The system is formed by a signal transmitting coil (1) and a receiving terminal coil (4) connected with a radio frequency tag and near field communication chip, a transmitting terminal magnetic metamaterial (2) is arranged in the signal transmitting coil (1), and a receiving terminal magnetic metamaterial (3) is arranged in the receiving terminal coil (4). Compared with the prior art, according to the radio frequency tag identification and near field communication system, the transmission efficiency of electromagnetic energy and signals is improved by employing two planar magnetic metamaterial parts with the same resonant frequency in the magnetic field resonance with the same frequency range, the system can effectively receive the signals when the position of a receiving terminal has certain dislocation and declination, the magnetic field generated by the magnetic metamaterial in the system is relatively flat and uniform, simultaneous transmission of the signals via multiple receiving terminals is facilitated, and the identification and communication efficiency is improved.
Owner:TONGJI UNIV

Telescopic joint for air supply of fermenting roller

The invention discloses a telescopic joint for air supply of a fermenting roller. The telescopic joint is characterized in that a telescopic pipe is arranged in a box body; one end of the telescopic pipe is provided with a movable connecting joint, the other end of the telescopic pipe is provided with a fixed connecting joint, and the movable connecting joint and the fixed connecting joint are respectively arranged outside the box body; a pneumatic device is arranged in the box body, is connected with the telescopic pipe, and is used for driving the movable connecting port of the telescopic pipe to extend out of the box body and be connected with an air supply assembly joint outside the fermenting roller, and driving the movement connecting port of the telescopic pipe to retract into the box body and be disengaged from the air supply assembly joint outside the fermenting roller; an electric control device is arranged in the box body, and is matched with the pneumatic device to precisely control and drive the movable connecting port of the telescopic pipe to be butted with the air supply assembly joint outside the fermenting roller. The telescopic joint has the advantage that the fixed air blowing equipment and the dynamic fermenting roller are connected, so as to connect with the air supply assembly outside the fermenting roller, perform self-control air ventilating on the fermenting roller, and automatically complete the production process.
Owner:北京中持绿色能源环境技术有限公司
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