18results about How to "Remove inhibition" patented technology

The invention relates to the technical field of TRT blade surface laser cladding anti-corrosion and wear-resistant coating preparation, and discloses a TRT blade surface laser cladding anti-corrosion and wear-resistant coating preparation method which comprises the following steps: preparing a nickel-based alloy raw material, putting the nickel-based alloy raw material into a planetary ball mill to be subjected to ball milling treatment after being combined, and preparing a nickel-based alloy coating; the mixed powder is bonded on a steel base material base plate to form a TRT blade, the TRT blade is put into a drying oven to be dried, high-energy-density laser beams of laser cladding equipment are used for irradiating the powder coated on the surface of the TRT blade to enable the powder to be fused, then an anti-corrosion layer is formed, a metal ceramic gradient material is melted or softened, the metal ceramic gradient material is sprayed to the surface of the anti-corrosion layer, and the metal ceramic gradient material is sprayed to the surface of the anti-corrosion layer. Then the boron nitride coating and the anticorrosive layer are fused together through laser cladding equipment, a transition layer is formed, the boron nitride coating is prepared, the surface of the transition layer on the TRT blade is evenly coated with the boron nitride coating, the surface of the transition layer on the TRT blade is fused together through the laser cladding equipment, and a wear-resistant layer is formed; through the preparation method, the service life of the TRT blade is prolonged.

The invention discloses a method for reducing a hot rolling pitted surface defect. The method comprises the following treatment steps: investigating main factors causing a pitted surface of a plate surface; specifying a specific implementation scheme according to the main factors; scale is removed through descaling; the generation of furnace-generated oxide scales is inhibited through adjustment; the roller-generated scale is reduced; according to the method, the dephosphorization water tank is added, the pressure of the dephosphorization water tank is controlled, so that the pressure of the dephosphorization water is improved, and the height and angle of the water nozzle are adjusted and optimized, so that the side pressure capacity of the vertical roll is improved, the generation of rough rolling oxide scale is reduced, and the roller material with good hot crack resistance is adopted, so that the production cost is reduced. A reasonable grinding system is adopted, residual cracks on the surface of the roller are thoroughly removed in time, lubricating rolling is adopted, the surface quality of the roller is improved, the unit rolling force of a rack is reduced, and therefore the situation that due to the fact that the unit rolling force is too large, microcracks on the surface of the roller expand, and roller scale is generated is effectively prevented.

The invention discloses a method for inhibiting laser processing damage of a heterogeneous material, which comprises the following steps: a processed material is immersed in an auxiliary liquid, so that the processed part of the processed material is fully infiltrated by the auxiliary liquid, the processed material is a solid heterogeneous material, and under the central wavelength of used laser, the room temperature complex refractive index of the processed material is n1, the effective complex refractive index of the auxiliary liquid at the working temperature is n2, and n1 and n2 meet matching conditions; and the machined material is subjected to laser subtractive machining, and the residual auxiliary liquid is removed after machining is completed. By selecting proper auxiliary liquid and applying optical parameters matched with the auxiliary liquid, binary interaction of the laser and the heterogeneous material is converted into interaction of the laser, the heterogeneous material and the auxiliary liquid, so that comprehensive effects of stray light suppression, micro-stripping effect of a thermal damage area caused by laser-induced cavitation, suppression of a heat affected area by liquid cooling and the like are achieved; and the processing quality of the heterogeneous material is obviously improved.

The present invention discloses a flotation recovery method for sulfide ore in cyanide tailings, which belongs to the technical field of cyanide tailings treatment and solves the problem that sulfide ore in cyanide tailings is difficult to recycle in the prior art. The flotation recovery method uses hydrophobic organic polyamine as a multidentate ligand to react with Fe in an aqueous solution. 2+ Cu + The stirring reaction is performed to obtain a hydrophobic organic polyamine-metal ion complex; the cyanide tailings are treated with the hydrophobic organic polyamine-metal ion complex and then flotated to obtain sulfide ore. The method of the present invention effectively realizes the recovery and utilization of sulfide ore in cyanide tailings.

The invention belongs to the technical field of biology, and particularly relates to a reagent for detecting pathogenic genes as well as a preparation method and application thereof. The invention finds that a biological sample is enriched through broad-spectrum captured protein, the captured protein is labeled with biotin, pathogenic microorganisms are separated from the biological sample through high-density streptavidin coated magnetic beads, the pathogenic microorganisms are split after pure culture, pathogenic genes are detected after nucleic acid is extracted, and the turnover time is shortened to 4 hours. The precise distribution of nucleic acid is realized through an annular array reaction cavity preloaded with 32 freeze-dried LAMP reagents in combination with centrifugal force driving. The single chip synchronously detects more than or equal to 30 major pathogen genes / drug-resistant genes, covers common bloodstream infection pathogens, and breaks through the existing POCT flux bottleneck. According to the present invention, with the kit, the blood matrix inhibition can be eliminated, the pathogen concentration can be rapidly increased (the detection threshold value can be reached after culture), the positive detection rate can be increased to the clinical requirement level (gt, 90%), and the pathogen detection limit in the blood sample can meet the clinical critical infection early diagnosis requirement of less than or equal to 10 CFU / mL;

The application relates to the technical field of satellite communication, and particularly discloses a space-ground integrated anti-interference method and system based on multi-satellite cooperation, which comprises the following steps: S1, a ground station sends a communication signal, and an interference station sends an interference signal; S2, a cooperative satellite and a communication satellite simultaneously receive the communication signal and the interference signal, obtain a disturbed signal, and transmit the disturbed signal to a receiving ground station; S3, the receiving ground station performs Taylor series expansion on a delayed communication signal, separates a delay difference of the disturbed signal from a signal waveform, and obtains a disturbed signal of a single satellite after eliminating the delay difference and a disturbed total signal of all satellites; S4, the receiving ground station performs whitening processing on the disturbed total signal, and obtains a whitened signal; and S5, the receiving ground station rotates the whitened signal, extracts an estimated spread signal vector from the whitened signal, and identifies an estimated communication signal. The application effectively suppresses strong external interference and realizes a method and system for reliably recovering a communication signal.

The application discloses an anaerobic biogas preparation device based on kitchen garbage, and relates to the technical field of kitchen garbage treatment. The device comprises a squeezing box, a feeding mechanism capable of crushing and treating the kitchen garbage is connected to the upper end of the squeezing box, a separation mechanism for separating the solid and liquid of the kitchen garbage is installed in the squeezing box, a liquid discharge mechanism capable of separating and discharging the grease liquid and the non-grease liquid of the kitchen garbage filtrate is arranged below the separation mechanism, a conveying auger, and a pyrolysis furnace. The conveying auger is communicated with the inside of the pyrolysis furnace through a connecting pipe. The squeezing box, the conveying auger and the pyrolysis furnace are matched, the high-grease liquid is separately separated by the liquid discharge mechanism, and only the non-grease liquid is sent into the anaerobic reactor, so that the inhibition of grease on methanogens is eliminated from the source, the pyrolysis condensate and the non-grease liquid are cooperatively fermented, the utilization rate of the reaction substrate is improved, and the biogas yield is further improved.

The present invention discloses a ring-opening method for aromatic compounds. The method is based on the carboxylation-dioxygenation coupling reaction, overcomes the thermodynamic reversibility of the enzyme-catalyzed carboxylation reaction, greatly improves the efficiency of CO2 fixation, and builds a new naphthalene degradation reaction pathway and biological patent utilization based on this, realizing the rapid ring-opening of naphthalene and CO2 utilization.

This application provides a standard working time dynamic self-tuning method based on the PID algorithm, applied in the field of production management technology. It obtains a dataset of measured time consumption for a target task over multiple execution cycles, preprocesses the dataset to remove outliers, and obtains an effective working time feature set. The logical deviation between this effective working time feature set and the current target reference value is determined, and a PID control algorithm is executed based on this deviation to achieve precise control of the working time data. During the iterative update of the target reference value, an ELM prediction model is used to dynamically adjust the control parameters of the PID control algorithm based on historical deviation trends. Finally, when the fluctuation range of the target reference value and the prediction error meet a preset threshold, the final standard working time is output, ensuring the stability and accuracy of the standard working time. This method has the advantage of dynamically adapting to changes in the production environment and improving the accuracy and stability of the standard working time.

This invention discloses an improved multi-stage ultra-long gravity heat pipe, belonging to the technical field of ultra-long gravity heat pipes. The improved multi-stage ultra-long gravity heat pipe includes a heat pipe body, a support mechanism fixedly installed on the outer side of the heat pipe body, several steam pools fixedly installed on one side of the inner wall of the heat pipe body, and several two-phase flow mechanisms fixedly installed on the other side of the inner wall of the heat pipe body. A return liquid pipe extending into the two-phase flow mechanism is fixedly installed inside the heat pipe body. Each of the two-phase flow mechanisms includes a buffer pool and an overflow pipe. One side of the bottom of the buffer pool is fixedly connected to the top of the overflow pipe, and the bottom of the buffer pool has several open liquid tanks. By setting up two-phase flow mechanisms, the working fluid return is achieved by gravity, requiring no external power input. The heat transfer coefficient is higher than that of copper, and groundwater is not extracted, avoiding geological subsidence, brine scaling, water resource consumption, and the phenomenon of decreased or even failed heat transfer performance.

The invention discloses an activation-flotation recovery method for sulfide minerals in cyanide tailings, belongs to the technical field of cyanide tailings treatment, and solves the problem that sulfide minerals are deeply suppressed and difficult to be separated by flotation in the prior art cyanide tailings treatment method. The method adopts pre-mixing reaction of organic polyamine and metal ions to generate an activator for flotation of sulfide minerals, and then reacts the activator with the ore pulp prepared from the cyanide tailings to achieve surface activation of the sulfide minerals, and finally adds a collector to flotate and recover the sulfide minerals from the ore pulp. The method of the invention effectively realizes the recycling of sulfide minerals in cyanide tailings.

The application discloses a kind of citric acid-microbial inoculant coproduction process methods.The process method described in the application is as follows: (1) citric acid fermentation liquor is subjected to plate and frame filtration treatment, and mycelium and citric acid feed liquid are separated, the citric acid feed liquid is neutralized, and calcium citrate and raffinate are obtained after filtration, calcium citrate enters subsequent extraction process, and citric acid is prepared; and raffinate enters evaporator for concentration, and concentrated liquid and condensate are obtained; (2) the condensate is used as citric acid production raw material mixing water, and the concentrated liquid is used for culturing microorganisms after pretreatment, and microbial inoculant is obtained; (3) then the microbial inoculant is centrifuged, and concentrated microbial inoculant and tail liquid are obtained, the concentrated microbial inoculant is added with protective agent and carrier, and microbial inoculant is obtained by spray drying.The method described in the application uses citric acid production raffinate as microbial culture nutrient source, realizes high-value and resource utilization of nutrient substances in raffinate, significantly reduces water consumption, and reduces sewage discharge.

The invention relates to the technical field of seasoning preparation, and particularly discloses a preparation method of low-salt fermented sauce. The invention breaks through the fermentation mode of the traditional sauce, and provides an efficient preparation method of the low-salt fermented sauce. The process adopts a core process of'enzymolysis-fermentation-heat treatment ', the preparation process is a salt-free system, the operation is simple, the utilization efficiency of raw materials is high, the fermentation process only needs about 7 days, and the obtained low-salt sauce product is rich in fragrance, moderate in overall product viscosity, relatively bright red brown, bright and glossy in color, rich in sauce fragrance, rich and mellow in taste, and rich in flavor. The flavor quality is ensured under the condition that the low-salt requirement is met. The preparation method does not need high-cost equipment, is high in production efficiency and low in production cost, can easily meet the production requirements of different scales, and has a wide market application prospect.

The present invention discloses a pharmaceutical composition for treating breast cancer, wherein the active ingredient in the pharmaceutical composition is cycloserine, and the cycloserine is one of L-cycloserine, D-cycloserine, racemic cycloserine, or a pharmaceutically acceptable salt thereof. The present invention finds that cycloserine, particularly L-cycloserine, exerts a pharmacological effect of inhibiting breast cancer cells by inhibiting the expression of GPX4 and regulating the Ferroptosis pathway, and cycloserine has not been reported as a new potential drug for the clinical treatment of breast cancer.

The present disclosure relates to a protein specifically binding to PD-1 and a pharmaceutical use thereof. Specifically, the present disclosure provides a protein specifically binding to PD-1, a protein specifically binding to PD-1 / PVRIG / TIGIT, and a use thereof in the treatment of a disease (such as cancer).

The invention discloses a flotation recovery system for sulfide minerals in cyanide tailings, belongs to the technical field of cyanide tailings treatment, and solves the problem that sulfide minerals in cyanide tailings in the prior art are difficult to recycle. It includes a doser and a reagent pre-mixed reaction stirring barrel; the doser includes an organic polyamine doser and a metal ion doser; the organic polyamine doser and the metal ion doser are respectively connected to the reagent pre-mixed reaction stirring barrel; the metal ion doser is used to add metal ions to the reagent pre-mixed reaction stirring barrel, and the organic polyamine doser is used to add organic polyamines to the reagent pre-mixed reaction stirring barrel, and the metal ions and organic polyamines can react in the reagent pre-mixed reaction stirring barrel to generate organic polyamine-metal ion complexes. The flotation recovery system of the present invention can effectively realize the recycling of sulfide minerals in cyanide tailings.

The invention belongs to the technical field of biological fermentation and crystallization separation, discloses a method and a system for producing isomaltulose by coupling double-bacterium synergistic fermentation with gradient temperature control crystallization, and solves the problem that glucose generates feedback inhibition on sucrose isomerase in a fermentation stage. The method comprises a fermentation stage and a crystallization stage, a double-bacterium synergistic fermentation system of recombinant bacillus subtilis engineering bacteria and recombinant pichia pastoris engineering bacteria is adopted in the fermentation stage, and the inoculation ratio of the recombinant bacillus subtilis engineering bacteria to the recombinant pichia pastoris engineering bacteria is 3: 1-5: 1; in the crystallization stage, a gradient temperature control-ultrasonic-assisted coupling crystallization process is adopted, after the fermentation liquor is subjected to concentration pretreatment, the temperature is reduced to 25-28 DEG C at the speed of 0.5-0.8 DEG C / h, and heat preservation and ultrasonic treatment are performed; and cooling to 15-18 DEG C at the speed of 0.3-0.5 DEG C / h, preserving heat and carrying out ultrasonic treatment. The method provided by the invention realizes efficient production and accurate purification of isomaltulose.

The invention provides a light diesel engine tail gas after-treatment system and a control method thereof, which can solve the problems of high cold start emission, catalyst poisoning caused by HC, N2O generation and difficulty in reaching the standard of PN10 emission in the prior art, meet the requirements of a new generation of emission regulations, and improve the emission efficiency. Comprising a ccDOC unit, a first urea injection unit, a ccSCR unit, a DPF unit, a second urea injection unit, a second SCR unit and an ASC unit which are sequentially arranged in the tail gas direction of an engine. The controller is electrically connected with the first urea spraying unit and the second urea spraying unit; and the controller controls the first urea injection unit to inject a first urea amount U1 into the tail gas in front of the ccSCR unit and controls the second urea injection unit to inject a second urea amount U2 into the tail gas in front of the second SCR unit according to a preset control method.