44results about How to "Guaranteed performance effect" patented technology

The invention discloses a stone aggregate wrapped by a microfine fibre polymer mortar thin layer and a preparation method thereof; the stone aggregate is formed by stone aggregate inner cores, an adhesive inner wrapping layer, a polymer cement mortar outer wrapping layer and an adhesive microfine fibre hair layer, wherein the adhesive inner wrapping layer and the stone aggregate are adhered firmly; microfine fibre filaments are anchored and rooted on the adhesive inner wrapping layer; and the polymer cement mortar outer wrapping layer and the adhesive inner wrapping layer are soluble mutually and can effectively form a whole body. Active powder in the polymer cement mortar outer wrapping layer contains silica fume, zeolite powder, finely-ground mineral slag, pulverized coal ash and the like, and can generate volcanic ash reaction with Ca(OH)2 crystal at the interface position of the set cement so as to generate gelled materials, and further carry out improved treatment on the weakest interfaces of set cement and the stone aggregate in concrete. The modified stone aggregate of the invention has good affinity with the set cement, and has higher binding power with the set cement.

The invention discloses a universal construction method for a protein-targeting chimeric molecule compound. The objective of the invention is to provide a method for adjusting the level of proteins by degrading the proteins through targeted ubiquitination. The construction method mainly comprises the following steps: 1) locating and analyzing a three-dimensional structure of a target protein and predicting active sites; 2) selecting a compound database; 3) virtually screening ligand compounds having high degrees of adaption to the target protein by using a computer; 4) acquiring the screened ligand compounds and screening an optimal ligand compound of the target protein through detection of interaction between micromolecules and the proteins; 5) constructing a protein-targeting chimeric molecule compound composed of the optimal ligand compound of the target protein, ubiquitin ligase E3 identification ligand and Linker connecting the optimal ligand compound of the target protein to the ubiquitin ligase E3 identification ligand by using a combination manner simulated by the computer; and 6) chemically synthesizing the protein-targeting chimeric molecule compound. With the method provided by the invention, the protein-targeting chimeric molecule compound can be rapidly and highly efficiently prepared, and specific degradation of intracellular target proteins is realized.

The invention provides a micro flapping-wing analysis system and method involved with pneumatic and structural coupling properties. The system comprises a main control computer, a server, a structural static property testing system, a structural dynamic property testing system, a pneumatic response analysis system, a structural response analysis system and a coupling response analysis system, all of which are connected to form a uniform integrated body through an optical fiber system. The main control computer is connected with the structural static and dynamic property testing systems and the server; the server is connected with the structural, pneumatic and coupling response analysis systems to control the three systems; professional analysis tools of the three response systems operate respectively, and finally, the analysis results are returned to the server while feedbacks are output. According to the invention, the difficulty of data exchange of the micro flapping-wing design and the comprehensive analysis of the pneumatic and structural coupling properties with two subjects is effectively overcome; the comprehensive analysis of complex problems involved with the pneumatic and structural subjects and automatic coordinated operation are realized; the design cycle of the micro flapping-wing is shortened; the design efficiency is improved.

The invention provides a rapid ventilation and smoke exhausting device for a construction period of a long-distance tunnel. The rapid ventilation and smoke exhausting device comprises a gantry bracket, a fixed wind door and a movable wind door, an axial flow ventilator and a jet flow draught fan, and a motor control system, wherein the fixed wind door is arranged at the upper end of the gantry bracket and the movable wind door is arranged on one side of the gantry bracket; the axial flow ventilator and the jet flow draught fan penetrate through the fixed wind door; the fixed wind door is matched with the unfolded movable wind door so that the axial wind flow in the tunnel is separated; a wind inlet of the axial flow ventilator and a wind outlet of the jet flow draught fan are formed in one side, which is close to a working surface, of the fixed wind door; the wind outlet of the axial flow ventilator is connected with a flexible wind barrel; the wind outlet of the flexible wind barrel extends to the outer part of the tunnel. According to a ventilation and smoke exhausting method provided by the invention, the wind doors for separating the axial wind flow are arranged in the tunnel; a safe space and a closed polluted space are formed on the two sides of the wind doors respectively, and pollutants in the polluted space can be discharged out of a hole along an airflow through a closed exhausting channel by using ventilation equipment; blasting equipment is used for blasting wind into the polluted space from the safe space so that the pollutants rapidly flows towards the inlet of the ventilation equipment.

The invention provides a method and a device for screening machine learning features. The method and the device relate to the field of machine learning models. The method comprises the steps of: performing preliminary screening on collected features by using a machine learning algorithm, so as to obtain a training feature set; carrying out model training by utilizing all features in the training feature set, and acquiring a performance result of total features of the training feature set; removing each feature in the training feature set separately, carrying out model training by utilizing the remaining features in the training feature set, and acquiring a performance result of the training feature set after the feature is removed; comparing the performance result of the total features and the performance result after the feature is removed, so as to obtain a performance result attenuation rate after the feature is removed; and determining the features meeting a preset condition to be a screened feature set according to the attenuation rate. The method and the device minimize the complexity of the model, thereby greatly reducing labor cost and time cost, and improving working efficiency.

The invention discloses a long-acting glass antifog membrane. The antifog membrane is composed of polyacrylic acid, diethanolamine and an alkaline substance with the mass ratio of 30-60:1-10:5-15. The invention also discloses a preparation method for the antifog membrane. The preparation method comprises firstly dissolving polyacrylic acid, diethanolamine and the alkaline substance in water according to the ratio, then uniformly spreading the antifog agent on the glass surface through a brushing, spraying or scraping manner, and finally putting the glass in an environment of 50-150 DEG C and drying. In the heating drying process, polyacrylic acid and diethanolaine are subjected to crosslinking reaction, and a uniform transparent hydrophilic organic membrane is formed. The antifog membrane is good in stability, and is capable of keeping the antifog capability for a long time, and the antifog effect can last several months.

The invention discloses a catheter capable of preventing urinary tract infection, belonging to the technical field of medical instruments. The catheter of the invention comprises a catheter main bodyand a hydrogel layer containing antibiotics. The upper end of the catheter main body comprises a catheter outlet and an inflation valve with a standard joint, and the lower end comprises a catheter inlet and an inflation balloon. The catheter inlet and the catheter outlet are connected by a catheter cavity, and the inflation balloon and the inflation valve are connected by an inflation pipe. The hydrogel layer covers a portion of the catheter body located between the balloon and the catheter outlet. As that hydrogel coat with antibiotics is added on the outside of the conventional catheter tube, the antibacterial of the catheter is effectively realized; at the same time, the hydrogel has a certain sustained-release effect, which delays the release of antibiotics and prolongs the time thatthe catheter can be used. Further, a protrusion is arranged on the outside of the catheter so as to prevent the hydrogel from falling off in the process of use, and the safety of use is ensured.

The invention relates to a liquid cross-linking agent injecting device, which comprises a liquid storage tank, wherein the top of the liquid storage tank is provided with a cross-linking agent inlet; the cross-linking agent inlet is connected with a self suction pump through a pipeline; the bottom of the liquid storage tank is provided with a cross-linking agent outlet; the cross-linking agent outlet is connected with a cross-linking agent injecting pump through a pipeline; an exhaust valve is arranged on the cross-linking agent injecting pump; a pressure transmitter and an electromagnetic flow meter are arranged on a pipeline arranged at the outlet end of the cross-linking agent injecting pump; and the liquid cross-linking agent injecting device also comprises a control device. The liquid cross-linking agent injecting device has the advantages that the process preparation high-quality injection can be realized; a uniform and stable cross-linking solution system is formed; the metering precision of cross-linking agent adding is improved; the injecting quality and the action effect of the liquid cross-linking agents are ensured; meanwhile, the liquid cross-linking agent injecting device adopts a skid-mounted design, thereby being compact in structure, convenient to carry and low in equipment investment cost.

The invention relates to the field of functional foods and medicine materials, in particular to nanometer fungus dietary fibers and use thereof. The nanometer fungus dietary fibers disclosed by the invention are made from raw materials namely edible and medicinal funguses, and the nanometer fungus dietary fibers of which the granules are 200-300nm in particle diameter are made through technological processes of removing impurities, performing soaking in polished glutinous rice vinegar, performing rinsing, performing vacuum drying, performing superfine crushing, performing nanocrystallization crushing, performing sieving, performing freeze drying and the like. Through test, the nanometer fungus dietary fibers disclosed by the invention can significantly increase the implantation rate and the proliferation rate of probiotics; when the nanometer fungus dietary fibers are combined with the probiotics for preparing functional foods or medicines, the addition quantity of active probiotics can be reduced to a great extent, the cost and the price of products can be reduced, and the quality stability and the action effects of the products can be guaranteed.

The invention discloses an internal super-thick copper plate laminating method. The internal super-thick copper plate laminating method comprises the following steps of S1, feeding, S2, internal layertreatment, S3, positioning hole drilling, S4, browning, S5, resin printing including printing the surface of an internal layer circuit board processed in the step of S4 with resin which fills and levels up the upper surface and the lower surface of the internal layer circuit board, S6, laminating including laminating the internal layer circuit board oxidized in the step of S5 into a multi-layer substrate to prepare for manufacturing external circuits, and S7, discharging processes. The internal super-thick copper plate laminating method improves poor cutting of filled resin and fiber of internal super-thick copper plates, ensures quality and guarantees high-temperature resistance of automobile sheets.

The invention discloses a method for suppressing interference of Femtocells on surrounding cells. The method comprises the steps of 1, providing a new standard, wherein the greater the total interference of the Femtocells on the surrounding cells is, the severer the transmitting powers of the Femtocells are limited; 2, designing a cost function in direct proportion to interference leakage based on the standard; and 3, on this basis, providing a non-cooperative power control game model based on a non-cooperative game theory, and giving a self-adaption power control algorithm according to the game model. When the layout density of the Femtocells is increased, the link capacity of the macrocell users is not reduced due to the increased layout density, and the capacity is 1.5 to 2.2 times of the capacity obtained when a constant power control algorithm is applied. According to the algorithm provided by the invention, the interference of the Femtocells on the surrounding cells can be suppressed relatively well; moreover, the transmitting powers of all Femtocell stations can reach stable values rapidly; and the convergence speed of the algorithm is rapid.

The invention belongs to the technical field of air conditioner control, and discloses a control system and method for automatically adjusting a refrigerant of an air-cooled compression condensing unit. According to the control method, a refrigerant pipe is additionally arranged on a system pipe on an air suction pipe or a large valve connecting pipe of an air-conditioning system, an electromagnetic valve is used for stopping the middle of an additionally-arranged fluorine adding pipe, and a fluorine injection nozzle is additionally arranged at the end of the fluorine adding pipe and installedon an air-conditioning outdoor unit; an electromagnetic valve is opened for starting a refrigerant filling mode, and the refrigerant is filled from the fluorine filling nozzle; liquid outlet temperature and pressure detection is added to a condensation outlet pipe of the air conditioning system and used for controlling and detecting the supercooling degree of the refrigerant amount of the system.According to the control system and method, the perfusion amount and the use performance capability of a unit system can be kept consistent in a user installation site and a site test, the system operation reliability is not influenced by human factors, the popularization and application range is wide, and the effect is remarkable.

The invention discloses a method for configuring independent resources based on s resource flow in the field of wireless communication resource management control. Regarding the problems of low convergence speed and various resource treating unsuitability in the prior art, a resource configuring method with higher convergence speed of various resources, suitable for treating a wireless communication system, is provided. In the method, a concept based on the resource flow in the wireless communication system is adopted, requests of multiple users to resources are planned to be changes of spatial intensity of a resource field, and the resource configuration realized based on the resource flow does not require interaction. Meanwhile, a closed-form solution of an optimal resource configuration strategy is deduced, so that high-efficiency independent resource configuration is realized to ensure the existence and the optimality of an optimal solution. The problem of more interaction times and the problems that the existence, the optimality and the like of the optimal solution cannot be ensured in the prior art are solved, and the high-efficiency independent resource configuration is realized to ensure the existence and the optimality of the optimal solution.

The invention relates to the field of medicine, in particular to a preparation process of an Eddy injection preparation. The preparation process of the Eddy injection preparation comprises the following steps: taking Chinese blister beetle, ginseng, astragalus membranaceus and acanthopanax as raw materials, performing warm dipping on the ginseng and performing alcohol extraction, jointly decoctingthe ginseng residues, the astragalus membranaceus and the acanthopanax and performing aqueous extraction, combining extraction liquid, performing alcohol and water precipitation alternately for manytimes and performing refrigeration treatment so as to completely precipitate and remove the impurities, greatly reduce the impurities in the medicine liquid and reduce the occurrence rate of adverse reaction, adjusting the pH, performing ultrafiltration and performing refrigeration for later use; performing warm dipping on the Chinese blister beetle and performing aqueous extraction, performing treatment by a lime surface method, performing alcohol precipitation for twice, refrigerating, filtering, performing water precipitation for twice, adjusting the pH, refrigerating and performing ultrafiltration; and mixing the Chinese blister beetle extracting liquid, the extracting liquid of the ginseng, the astragalus membranaceus and the acanthopanax, adding auxiliary materials and adjusting thepH. The preparation process of the Eddy injection preparation has the advantages of high extraction efficiency, high purity and low occurrence rate of adverse reaction.

The invention provides a sprayer and a maintenance method thereof.The sprayer comprises a shell; the shell is provided with a mounting opening and a nozzle; an ampoule is arranged at the mounting opening; the sprayer further comprises a liquid inlet puncturing needle and a spraying assembly; the liquid inlet puncturing needle is provided with a liquid inlet channel and a ventilation channel; the liquid inlet puncturing needle punctures the ampoule so that one end of the liquid inlet channel can be located in the ampoule; the other end of the liquid inlet channel is connected to the spraying assembly; the spraying assembly comprises a valve seat and an atomizing air pump; the valve seat is provided with a liquid inlet, an air inlet and a spraying opening; the atomizing air pump is connectedto the air inlet; the liquid inlet channel is connected to the liquid inlet through a liquid inlet pipe; the spraying opening is located at the nozzle; and a valve element moves at the spraying opening so as to control the spraying opening to be opened and closed. A starting switch is controlled to enable the sprayer to work, cosmetic or medicament liquid is taken out from the ampoule in a quantitative mode in the mode that the liquid inlet puncturing needle punctures the ampoule, the liquid in the ampoule is prevented from making direct contact with air in a large area, a person is preventedfrom making direct contact with the liquid in the ampoule with hands, and pollution to the liquid in the ampoule is effectively reduced.

The invention discloses a formalin solution mixing preparation device and relates to the technical field of medical equipment. Supporting legs are fixedly connected to two sides of the bottom of a supporting plate; a fixing plate is fixedly connected to a center shaft of the top of the supporting plate; a liquid storage tank is fixedly connected to the left side on the top of the supporting plate;a micro water pump is fixedly connected to the top of the liquid storage tank; a water outlet of the micro water pump is communicated with a first guide pipe; a flow divider is fixedly connected to the upper part of the front surface of the fixing plate; one end, which is far away from the micro water pump, of the first guide pipe is communicated with the flow divider; a hard guide pipe is communicated with the bottom of the flow divider; the bottom of the hard guide pipe runs through to the bottom of the supporting plate and is fixedly connected with a soft guide pipe; and a mixing tank is arranged below the supporting plate. According to the device disclosed by the invention, the formalin solution can be accurately and effectively proportioned, the concentration of the formalin is ensured to be in a target concentration range, and the drug property and action effect of the formalin are further effectively ensured.