833results about How to "Avoid reaction" patented technology

The invention provides a self-adaptive intelligent control method and system for a poultry breeding environment. The method comprises the following steps: collecting biological signals of poultry individuals; constructing a health state model based on the health indexes; acquiring position coordinates and velocity vectors of poultry, and constructing a time sequence model based on behavior patterns to monitor changes of group behavior patterns in real time; dynamically adjusting the environment control strategy according to the comprehensive environment control index, and performing real-time feedback monitoring after adjustment; constructing a composite growth index for identifying growth stages according to the biological signal, designing a comprehensive optimization mechanism for multi-stage environment control, and integrating data of different growth stages; a self-adaptive multi-objective optimization model is designed, a control strategy is dynamically adjusted according to real-time data, control parameters are dynamically adjusted in combination with historical data, and a multi-level feedback cycle and emergency response mechanism is designed to ensure that the system responds in time in an emergency. The method obviously improves the overall benefits of poultry breeding, and has wide application prospects.

The invention discloses a modified zinc electrode material as well as a preparation method and application thereof, 3, 4-ethylenedioxythiophene, lauryl sodium sulfate and potassium perchlorate are taken as electrolyte, and the surface of a zinc electrode is coated with an organic polymer coating in an electrochemical polymerization manner, so that the problems of dendritic crystal growth, side reaction, corrosion and the like of the zinc electrode are solved; the cycling stability and reversibility of the zinc electrode are improved; meanwhile, the coating has hydrophilicity and better electrolyte wetting capacity, zinc ions are helped to be rapidly diffused on an electrode, and the polarization influence caused by concentration difference in the cycle process of the battery is relieved. Besides, by controlling the electrochemical polymerization time, the thickness of the coating is controlled, and the method has the advantages of simplicity, rapidness and the like and is suitable for large-scale popularization and application.

The invention provides a liquid cooling equipment control method and system, electronic equipment and a storage medium, and relates to the technical field of cooling control, and the method comprises the steps: collecting the state data of a temperature and humidity sensor; predicting the temperature and humidity data according to the state data of the temperature and humidity sensor; based on the prediction result of the temperature and humidity data, predicting the state of the liquid cooling equipment and a plurality of corresponding control actions to obtain a predicted state of the liquid cooling equipment and a plurality of corresponding predicted control actions; based on the prediction state of the liquid cooling equipment, determining a target control action which most accords with a preset energy consumption condition and a safety condition from the plurality of prediction control actions; and executing the target control action on the liquid cooling equipment. The intelligent level of environment monitoring is improved, the energy efficiency, the stability, the safety and the like are remarkably improved, and the system has wide application prospects and market value.

The invention provides a modified lithium iron manganese phosphate positive electrode material and a preparation method thereof, a positive plate and a lithium ion battery. The modified lithium manganese iron phosphate positive electrode material comprises transition metal element-doped lithium manganese iron phosphate and a silicon hydroxyl-containing carbon coating layer, wherein the surface of the transition metal element-doped lithium manganese iron phosphate is coated with the silicon hydroxyl-containing carbon coating layer. And the transition metal element replaces the position of an iron element in the lithium manganese iron phosphate, so that the ion diffusion coefficient of the lithium manganese iron phosphate and the compaction density of the modified lithium manganese iron phosphate positive electrode material can be improved. The existence of the silicon hydroxyl-containing carbon coating layer is beneficial for improving the electronic conductivity and the structural stability of the lithium manganese iron phosphate positive electrode material, so that the manganese dissolution rate of the lithium manganese iron phosphate positive electrode material in the high-temperature cycle process of the battery is reduced. Therefore, the modified lithium manganese iron phosphate positive electrode material disclosed by the invention has relatively high ion diffusion coefficient, electronic conductivity, compaction density, rate capability, energy density and cycling stability.

The invention relates to the technical field of fine chemicals, in particular to a method and a reaction device for online control of molecular weight of a polyphenyl ether product. The method for preparing the polyphenyl ether comprises the following steps: 1) adding oxygen and phenolic monomers into a reaction kettle containing a solvent and a catalyst for reaction; and 2) calculating the average molecular weight of the polyphenyl ether product in the reaction liquid in the step 1) according to the relationship between the viscosity, the temperature, the pressure or the material concentration and the average molecular weight of the polyphenyl ether product, adding a quenching agent to stop the reaction when the average molecular weight of the polyphenyl ether product reaches the target molecular weight, and performing post-treatment to obtain the polyphenyl ether. In the production process of polyphenyl ether, the molecular weight of the product is calculated in real time by monitoring viscosity, temperature, material concentration, pressure and other data, and the reaction endpoint is judged according to the calculation result, so that the reaction process is accurately controlled, and the production stability and the product quality consistency are ensured.

The invention provides a fluorine-containing aromatic acid ligand modified zirconium metal oxide nano-cluster photoresist material as well as a preparation method and application thereof. The preparation method of the fluorine-containing aromatic acid ligand modified zirconium metal oxide nano-cluster photoresist material comprises the following steps: mixing a Zr6O4 (OH) 4 (MAA) 12 solution and a fluorine-containing aromatic acid ligand compound solution, and carrying out reaction, rotary evaporation and drying to obtain the fluorine-containing aromatic acid ligand modified zirconium metal oxide nano-cluster photoresist material. The preparation method is simple, cheap and easily available in raw materials, low in cost and suitable for industrial production. The fluorine-containing aromatic acid ligand modified zirconium metal oxide nano-cluster photoresist material can be suitable for ultraviolet lithography, electron beam lithography and extreme ultraviolet lithography, and the formed photoetched pattern has the advantages of low line edge roughness, high resolution and the like, and has wide application prospects.

The invention discloses a method for determining the purity of electronic-grade hexafluoroethane, and relates to the technical field of the purity of hexafluoroethane, and the method comprises the following steps: vacuumizing a specific sampling container to 10 <-3 > Pa to 10 <-2 > Pa, forming a super-hydrophobic coating on the inner wall, sampling in a temperature-controlled, humidity-controlled and pressure-controlled environment, and removing water and impurities through two-stage pretreatment; enhancing analysis by using a gas chromatograph, a specific carrier gas, a column temperature program, a micro-fluidic chip and an ion mobility spectrometry; then secondary scanning analysis is carried out by using a mass spectrometer double ion source and a calibration system; and finally, learning and matching an algorithm through a data processing system machine. Samples can be accurately collected and pretreated, gas chromatography and mass spectrometry analysis is more accurate and efficient, a data processing system can accurately determine impurities and purity, multiple measurement data can be counted and analyzed, the result reliability is improved, all parts of the system are optimized and matched, the accuracy and stability of the whole process are guaranteed, and the purity is calculated; the method further comprises statistical analysis of multiple measurement data.

The invention discloses a low-cost neutral aqueous organic iron-cerium flow battery, and belongs to the field of electrochemical energy storage. The positive electrode electrolyte and the negative electrode electrolyte both adopt organic phosphine ligand chelating metals in a water system, and organic phosphine ligands are selected from 2-hydroxyphosphonoacetic acid, etidronic acid, diethylenetriaminepenta (methylene phosphonic acid), 2-phosphonobutane-1, 2, 4-tricarboxylic acid, polyhydric alcohol phosphate ester, hexamethylenediamine tetra (methylene phosphonic acid), polyamino polyether methylene phosphonic acid and bis (1, 2, 4-tricarboxylic acid. And one or more of 2, 6-hexylidene triamine penta (methylene phosphonic acid) and lithium, sodium, potassium and ammonium salt derivatives thereof. And the supporting electrolyte is used for adjusting and stabilizing the pH environment of the electrolyte. According to the invention, no additional auxiliary electrolyte is needed, high conductivity and stable performance can be achieved, and a new possibility is developed for development and application of a flow battery technology. The material has the characteristics of stable performance, low cost, wide raw material source and environmental friendliness, and is suitable for automobile power supplies, household energy storage, standby power supplies, large-scale energy storage devices and the like.

The invention provides a W1 / OG / W2 type multiple emulsion based on a micro-fluidic chip and a preparation method, and belongs to the technical field of multiple emulsions. The intermediate phase of the multi-emulsion is separated by the oil gel phase OG, so that the exchange of internal and external two-phase substances is thoroughly prevented, the reaction of the internal and external two-phase substances is avoided, the substance compatibility is enhanced, and meanwhile, the aqueous phase thickener is added into the hydrogel phase W2, so that the viscosity of the hydrogel phase W2 is increased, the aggregation of liquid drops is delayed, and the stability of the emulsion is improved. According to the method, the active encapsulant can be encapsulated in the microdroplet to form a protective layer, so that the contact with air and the external environment is reduced, the encapsulant in the water-in-oil phase W1 / O is effectively prevented from being oxidized, the stability and the slow-release effect of the encapsulant are improved, and the storage life is prolonged. The multi-emulsion has wide applicability and can be widely applied to the fields of food, medicines, health care products and the like.

The invention discloses a sun tracking method based on light spot contour detection, and relates to the technical field of light spot contour detection and tracking. According to the solar tracking method based on light spot contour detection, image data of a solar spot contour area are obtained and analyzed in real time, and a light spot position deviation index, a light spot shape distortion index, a light spot brightness uniformity index and a light spot contrast uniformity index of the solar spot contour area are obtained and comprehensively analyzed; the method comprises the steps of obtaining a light spot comprehensive deviation index of a solar light spot contour area, judging and analyzing the comprehensive deviation index of the solar light spot contour area and a preset deviation threshold range, and adjusting and analyzing sunlight receiving equipment when the comprehensive deviation index of the solar light spot contour area is out of the preset deviation threshold range. Through multi-dimensional comprehensive analysis on the solar facula, the deviation condition of the facula can be accurately evaluated, so that a tracking system can capture fine deviation in real time, and the tracking direction and amplitude are adjusted in time.

The invention provides a method for preparing high-purity lithium sulfide from lithium carbonate, and belongs to the technical field of lithium material preparation, and the method comprises the following steps: heating a ball-milled mixture of industrial-grade lithium carbonate and an alumina additive to 750-900 DEG C, and carrying out heat preservation and calcination to generate lithium oxide; performing hydrolysis reaction on lithium oxide in hot water, and filtering to obtain a high-purity lithium hydroxide solution; mixing the lithium hydroxide solution with the sulfur-containing protein, and performing spray drying to obtain a mixed precursor; calcining the mixed precursor at a low temperature of 210-340 DEG C in an inert atmosphere; and heating to 550-660 DEG C, calcining at a high temperature, introducing hydrogen sulfide gas, reacting lithium hydroxide to generate lithium sulfide, and cooling to obtain the high-purity lithium sulfide. The invention provides the method for preparing the high-purity lithium sulfide, the purity, the production efficiency and the raw material utilization rate of the lithium sulfide are remarkably improved, and the technical defects of low purity, incomplete raw material reaction, non-uniform precursor mixing, complicated process, difficulty in large-scale production and the like in the traditional lithium sulfide preparation method are overcome.

The invention relates to the technical field of polymer purification, and particularly discloses a purification industrial control system for carbon dioxide-based polyols, in the removal process of phenolic compounds in the carbon dioxide-based polyols, the removal rates of the phenolic compounds are detected at two different moments respectively, and the removal rate of the phenolic compounds in the carbon dioxide-based polyols is calculated. Meanwhile, a data processing technology based on deep learning is used for conducting fine-grained local time domain interaction analysis on the stirring speed and the stirring temperature between the two time points to reveal the combined effect of the stirring speed and the stirring temperature on the removal efficiency of the phenolic compounds, removal measurement is conducted based on the combined effect, an effective removal measurement coefficient is generated, and the removal efficiency of the phenolic compounds is improved. And intelligently estimating the still required stirring duration by combining the removal rate change between the two time points. Through the mode, the reaction endpoint can be predicted in advance, and incomplete reaction or excessive reaction can be effectively avoided, so that the purification efficiency and the product quality are improved, and the automation level of industrial production is improved.

The invention relates to the technical field of gas component detection, in particular to a public place gas detection method based on gas chromatography, which comprises the following steps: a mobile robot covers all areas of a public place according to a predetermined path, collects an air sample, and pretreats the collected gas sample through a filter or an adsorbent; a gas sample enters a detector after being separated by a gas chromatographic column, and harmful gas components are identified; according to the detected harmful gas concentration, combining historical data and a threshold value, calculating the danger level of each region, and carrying out danger level division on the region of the public place; according to the danger level, the system automatically selects and executes corresponding countermeasures; and the system records a historical data set of all countermeasures, and optimizes the countermeasures through a machine learning algorithm. According to the invention, full coverage, multi-area dynamic monitoring, accurate risk prediction and grading processing can be realized, and the response speed and the use effect of the system are improved.

The invention relates to the technical field of electrical digital data processing, in particular to a logging data intelligent analysis method and system.The method comprises the steps that porosity data in the logging process and corresponding timestamps are collected, and each data point serves as a combination of the porosity and the timestamps; calculating the abrupt change degree of each data point, and measuring the abrupt change characteristic by comparing the porosity change of the current data point and the neighborhood data point of the current data point; calculating linear strength based on the timestamps and the porosity of the data points to reflect the regularity of the data points along with time change; calculating weighted complexity by using the initial complexity, the mutation degree and the linear intensity; and finally, comparing a difference value between the weighted complexity and the initial complexity, and if the difference value exceeds a set threshold value, judging that the data point is an abnormal data point. The problem that the accuracy of a logging data analysis result is not high is solved.

The invention relates to the field of DNA amplification, in particular to an intelligent molecular diagnosis and analysis method, device and equipment and a storage medium. The method comprises the following steps: detecting multi-dimensional environmental parameters of the DNA amplification kit in real time based on a multi-dimensional sensing node; performing spatial topology layout mining and environment amplification perception fitting on the multi-dimensional environment parameters, and constructing a real-time amplification perception model; identifying a DNA amplification sample; performing layered temperature control analysis on the DNA amplification sample, and performing dynamic amplification constant-temperature control on the real-time amplification perception model, so as to construct a plurality of dynamic constant-temperature amplification models; carrying out regional DNA reaction degree evaluation on the plurality of dynamic isothermal amplification models one by one, and then carrying out regional flow velocity dynamic regulation, so as to construct a dynamic amplification reaction flow velocity regulation strategy; real-time amplification control is performed based on a dynamic amplification reaction flow rate adjustment strategy to generate a filter optimized amplification reaction signal. According to the method, the accuracy of molecular diagnosis analysis is improved through efficient and convenient DNA isothermal amplification.

The invention relates to the technical field of preparation of organic compounds, in particular to 2-chlorophenylhydrazine hydrochloride and a preparation process thereof. The 2-chlorophenylhydrazine hydrochloride is prepared from 500-600 parts of ethyl alcohol, 500-600 parts of stannous chloride solution, 300-350 parts of hydrochloric acid solution, 100-120 parts of 2, 4-dichloronitrobenzene and 10-12 parts of reduced iron powder. According to the preparation method, 2, 4-dichloroaniline hydrochloride is firstly prepared by adopting 2, 4-dichloronitrobenzene as an initial raw material, and due to the relatively stable structure, the chemical property of an intermediate product can be better kept unchanged in the storage, transportation and subsequent reaction waiting links in the whole preparation process; due to the stability, unnecessary chemical reaction or degradation caused by external environment factors can be effectively avoided, so that the subsequent 2-chloroaniline hydrochloride extraction step can be carried out on the basis of a stable starting material, and the stability basis of final product extraction is improved.

The invention relates to bio-based 1, 4-butanediol and a preparation method thereof, and belongs to the technical field of chemical raw material synthesis. The preparation method of the bio-based 1, 4-butanediol comprises the following steps: preparing a bio-based 1, 4-succinic acid solution; continuously feeding the obtained bio-based 1, 4-succinic acid solution and hydrogen into a fixed bed containing a first-stage nickel-copper catalyst, and carrying out hydrogenation reaction to obtain a first-stage product; continuously feeding the obtained first-stage product and hydrogen into a fixed bed containing a second-stage nickel-copper catalyst, and carrying out hydrogenation reaction to obtain a second-stage product; and feeding the obtained second-stage product into a separation tower for separation and purification to obtain the bio-based 1, 4-butanediol. According to the method, the polymer-grade bio-based 1, 4-butanediol is prepared through continuous liquid phase hydrogenation of the bio-based 1, 4-succinic acid, the purity of the obtained polymer-grade bio-based 1, 4-butanediol is larger than or equal to 99.90%, and the product does not contain methyl-1, 4-butanediol and does not contain 2-(4-hydroxybutoxy)-tetrahydrofuran.

The present invention relates to the field of rubber materials, specifically a silicone rubber-based composite insulator for high-voltage power transmission and a preparation method thereof. A silicone rubber-based composite insulator for high-voltage power transmission and a preparation method thereof, comprising the following steps: preparation of SiC-azodicarbonamide multilayer composite filler; preparation of silicone oil stabilizer; modification of SiC-azodicarbonamide multilayer composite filler; compounding and vulcanization of methylvinylphenyl silicone rubber. The present invention uses the characteristic that dopamine forms a polydopamine film when it meets an alkali, controls the time of adding SiC after adding a sodium hydroxide solution, so that azodicarbonamide adheres to the SiC surface during the formation of the polydopamine film, and then obtains a SiC-azodicarbonamide multilayer composite filler with many pores and a large specific surface area after a layer of SiC is attached by polydopamine, which can be better filled and compounded with methylvinylphenyl silicone rubber, so that the two are fully in contact and tightly connected, and the mechanical properties and thermal conductivity of the silicone rubber composite material are improved as a whole.

The invention relates to the technical field of medical equipment, in particular to an endoscope lens which sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side to an image side along an optical axis. Each lens is provided with an object side surface which faces the object side and enables imaging light to pass through and an image side surface which faces the image side and enables the imaging light to pass through; the first lens has a positive refractive index, the second lens has a positive refractive index or a negative refractive index, the third lens has a positive refractive index, the fourth lens has a negative refractive index, the fifth lens has a positive refractive index, and the sixth lens has a negative refractive index. The invention can be used for label-free quantitative phase microscopic imaging, and can avoid the problems of adverse reaction and sequelae caused by the use of a fluorescent agent in a fluorescent confocal endoscope; a special dispersion glass material and a strong and weak dispersion glass material are combined to eliminate chromatic aberration, so that the near 100nm broadband achromatic effect is realized.

The invention provides a solid electrolyte and a preparation method thereof, a diaphragm, a battery and power-related equipment, and relates to the technical field of lithium batteries. The solid electrolyte is of a core-shell composite structure with LATP as a core and Mg-Sn alloy as a shell wrapping the outer surface of the core. According to the solid electrolyte with the core-shell structure, the LATP serves as the core, the Mg-Sn alloy serves as the shell, air stability is enhanced, Li2CO3 impurities are prevented from being generated, high ionic conductivity and a wide electrochemical window are kept, and stability and mechanical strength are improved. The corrosion resistance and tear resistance of the alloy enhance the safety of the battery, and the aluminum element in the LATP improves the strength of the alloy and optimizes the performance and charge-discharge efficiency of the battery.

The present invention discloses a method for preparing a lithium-silicon alloy nanoparticle and a dry-process lithium-silicon alloy negative electrode material. The lithium-silicon alloy nanoparticle comprises a lithium-silicon alloy core and a polymer layer located on the surface of the lithium-silicon alloy core, wherein the polymer layer completely covers the lithium-silicon alloy core. By fully covering the silicon-lithium alloy core with a polymer, the stability of the lithium-silicon alloy particles can be improved, the equipment investment cost can be reduced, and the economy can be improved. Moreover, when the silicon-lithium alloy particles are used with other raw materials such as a conductive agent to prepare a negative electrode material, the reaction between the silicon-lithium alloy core inside the silicon-lithium alloy particles and water and oxygen in the external air can be effectively avoided, thereby reducing lithium loss. In addition, adding a stabilizer during the mixing process of preparing a dry-process lithium-silicon alloy negative electrode material can supplement the polymer-free vacancies that appear after the surface coating layer of the silicon-lithium alloy particles is worn, further preventing the reaction between the internal silicon-lithium alloy and the external air, reducing lithium loss, and thus improving material performance.

The invention provides a preparation method of spherical iron phosphate, and relates to the technical field of lithium ion batteries, and the preparation method comprises the following steps: S1, one-step reaction: carrying out parallel flow on an iron salt solution, a phosphorus salt solution and ammonia water according to a molar ratio of 1: (0.8-1.2): (0.8-1.1) to generate amorphous iron phosphate slurry; adding ammonia water into the iron phosphate slurry to adjust the pH value to 1.5-2.5; s2, membrane washing; s3, a second-step reaction: adding pure water into the washed iron phosphate slurry, adjusting the iron concentration to 0.5-1.2 mol / L, adding a phosphoric acid solution, heating to 90-120 DEG C, and controlling the heat preservation time for 30-90 minutes after the material is converted into a white material, so as to obtain white slurry; s4, washing: taking a filter cake; s5, drying: generating iron phosphate dihydrate; s6, calcining: spherical iron phosphate is generated, and the iron phosphate is successfully converted from a traditional olive type, peanut type or honeycomb type to a spherical type through the preparation method provided by the invention.

The invention discloses a preparation method and application of a sensor array based on luminous carbon dots, and relates to the technical field of sensors, the preparation method comprises the following steps: preparing a carbon source which comprises a precursor containing a targeting functional group or a biomolecule derived carbon source, preparing the luminous carbon dots through a chemical synthesis or physical method, modifying the surfaces of the carbon dots, and preparing the sensor array based on the luminous carbon dots. A core-shell structure is added on the surface of a carbon dot by using an in-situ growth method or a layer-by-layer self-assembly method, the carbon dot with the added core-shell structure is fixed on a substrate of a sensor array, and a performance test is carried out. By synthesizing the carbon dots with a targeted recognition function, the selectivity and the sensitivity of the sensor to a target substance can be remarkably improved, and in the synthesis process, the carbon dots can generate specific interaction with the target substance by adjusting factors such as the structure, the shape, the size and the surface chemical property of the carbon dots; therefore, accurate identification of the target substance is realized, and detection of the marker is realized.

The utility model belongs to the technical field of battery production and manufacturing, and particularly relates to a battery cell which comprises a first pole piece, a diaphragm and a second pole piece which are sequentially wound, and the diaphragm is arranged between the first pole piece and the second pole piece; the areas of the second bending positions of the first pole piece and the second pole piece are of a single-face coating structure, and insulating gummed paper is adhered to the second bending positions, corresponding to the diaphragm, of the first pole piece and the second pole piece. According to the utility model, the insulating gummed paper is adhered to the second bending part of the first pole piece and the second pole piece corresponding to the diaphragm, so that the positive electrode and the negative electrode in the area are in a separated state and cannot react, the active material layer cannot expand to reduce the stress on the position, the risk of breakage of the pole pieces is reduced, and the safety performance of the battery cell is improved. In addition, the utility model also discloses a battery comprising the battery cell and an electric device.

The invention provides an offshore project demolition operation whole process monitoring system. The system comprises a data acquisition module, a work ticket generation module, a demolition operation path planning module, a demolition data collection and homing module, an illegal behavior identification module, a risk analysis module and a visualization module. The whole process of dismantling operation is monitored under the condition that a complex marine environment is considered, and a work ticket generation module is used for generating a work operation ticket; generating an operation path planning graph by using a dismantling operation path planning module; the illegal behavior recognition module is used for monitoring illegal behaviors in the demolition operation process for accurate recognition, the risk analysis module is used for recognizing and feeding back risk types possibly corresponding to the illegal behaviors, and meanwhile potential risks in the demolition operation process are analyzed for content recognition; through effective monitoring, the safety and efficiency of operation can be improved.

The invention discloses a preparation method and application of active cationic chitosan nanoparticles, which comprises the following steps: reacting a low-molecular chitosan triethylamine hydrogen sulfate ionic liquid ([(C2H5) 3NH] HSO4) solution with an aldehyde compound ethanol solution to form Schiff base protection on chitosan C2-site amino, and then reacting with 2, 3, 5, 6-tetramethyl-4-piperidine-2-one to obtain the active cationic chitosan nanoparticles. The preparation method comprises the following steps: carrying out nucleophilic substitution reaction on chitosan C6 in the presence of a basic catalyst by using 2, 3-epoxypropyl trimethyl ammonium chloride, then adding a chemical initiator, carrying out grafting reaction on chitosan C3 and acrylic acid, and then removing Schiff base protection on chitosan C2. Carboxylate anions of acrylic acid and cations of chitosan are subjected to cross-linking self-assembly through a hydrothermal reaction, and the chitosan nanoparticles which are high in stability, small in particle size, uniform in distribution and efficient and lasting in function are obtained. The prepared nanoparticles are high in reaction activity, contain a large amount of quaternary ammonium salt, amino dication groups and carboxyl groups, and have wide application prospects in the fields of dye adsorption, heavy metal adsorption, textile function finishing and the like.

The invention relates to the technical field of Chinese herbal medicine extraction and separation, in particular to an essence separation and extraction device for Chinese herbal medicine processing, which comprises a material crushing mechanism, a material conveying mechanism, a processing box, a separation mechanism and an excess material filtering mechanism, a material removing assembly is arranged at the lower end of the material crushing mechanism, and the material conveying mechanism is arranged at the front end of the material removing assembly; the processing box is arranged at the front end of the conveying mechanism, the separating mechanism is arranged on the lower side of the front end of the processing box and is in corresponding conveying connection with the processing box, and the excess material filtering mechanism is arranged at the front end of the separating mechanism and is in corresponding conveying connection with the separating mechanism. By arranging the material crushing mechanism, the material conveying mechanism, the processing box and the separating mechanism, a plurality of processes are directly integrated together, raw materials are rapidly and continuously processed, the residue-free essence liquid medicine is directly obtained in one step, the reaction of medicine residues in the liquid medicine is avoided, and the taste and the effect of the liquid medicine are laterally improved.

The utility model relates to the technical field of connector clamping sleeves, and discloses a hydraulic clamping sleeve with a pre-tightening mechanism, which comprises a hydraulic clamping sleeve, a nut I is fixedly mounted on the outer surface of the hydraulic clamping sleeve, a hydraulic pipe is movably sleeved in the nut I, a fixing groove is formed in the hydraulic clamping sleeve, and a pre-tightening mechanism is arranged in the fixing groove. And a fixing sleeve is movably installed in the fixing groove, a first spring is fixedly installed in the fixing sleeve, a wedge block is fixedly installed at one end of the first spring, and a sliding groove is formed in the outer surface of the first nut. Compared with a traditional hydraulic clamping sleeve, the hydraulic clamping sleeve has the advantages that the hydraulic clamping sleeve is matched with the sliding groove through the wedge block, the first spring and the sliding groove, a hydraulic pipe can be conveniently and rapidly fixed, mounted and dismounted, tight connection between the hydraulic clamping sleeve and the hydraulic pipe is guaranteed, excellent sealing performance is provided for a system, hydraulic leakage is effectively prevented through the strong sealing capacity, and the service life of the hydraulic clamping sleeve is prolonged. And stable operation of a hydraulic system is guaranteed.

The invention relates to the technical field of copper alloy strips, and discloses a vehicle-mounted connector copper alloy strip which comprises the following components in percentage by mass: 0.04 to 0.1 weight percent of Y, 1.5 to 3.5 weight percent of Sn, 0.02 to 0.08 weight percent of P, 0.5 to 2.5 weight percent of carbon nanostructure X and the balance of copper and inevitable impurities, wherein the carbon nano structure X is a compound of a carbon nano tube and fullerene, and the mass ratio of the carbon nano tube to the fullerene is (2-4): 1; the invention also discloses a preparation method. According to the invention, through the comprehensive advantages in the aspects of conductivity and corrosion resistance, the electrical connection function can be stably and reliably realized in a vehicle-mounted connector, powerful hardware support is provided for the intelligent and electric development of an automobile, and the adaptability and safety of the automobile under different working conditions are enhanced; and the maintenance cost of the automobile is reduced, and the downtime caused by faults is shortened.

The invention provides a compound containing a nitrogen heterocyclic derivative PARP1 inhibitor or a pharmaceutically acceptable salt, a stereoisomer, a solvate, a polymorphic substance, an isotope derivative or a prodrug of the compound, a preparation method of the compound, and medical application of the compound in prevention or treatment of diseases or symptoms related to PARP1 expression increase. The present invention provides methods of treating cancers such as prostate cancer, pancreatic cancer, breast cancer, ovarian cancer, and the like. # imgabs0 #