13results about How to "Efficient dissociation" patented technology

The invention provides a preparation method of a bipolar membrane based on a charged nanosheet catalyst layer and application of the bipolar membrane in seawater dissociation, and the preparation method comprises the following steps: A) coating a smooth substrate with a positive (negative) ion exchange membrane liquid, and drying to obtain a positive (negative) ion exchange membrane layer; dissolving the modified charged nanosheet to obtain a modified charged nanosheet solution; b) ultrasonically spraying the modified charged nanosheet solution on a positive (negative) ion exchange membrane layer, and drying to obtain a bipolar membrane middle layer; and C) ultrasonically spraying anion (cation) exchange membrane liquid to the bipolar membrane middle layer, and drying to obtain the bipolar membrane. According to the invention, the idea of introducing confinement mass transfer into the bipolar membrane intermediate layer is adopted, the charged nanosheets are stacked in an ultrasonic spraying manner, the distance is regulated and controlled through the modified charged nanosheets to construct the bipolar membrane intermediate layer, and the bipolar membrane has sub-nano or nano-scale charged channels, low common ion leakage and excellent water dissociation performance.

The invention provides a 25-hydroxyvitamin D dissociation liquid, a detection kit and application. The 25-hydroxyvitamin D dissociation liquid comprises 10-100mM of a buffer solution with the pH value of 7.2-7.4, 0.1%-5% of long-chain alkane carboxylic acid and 0.1%-1% of an organic solvent. The 25-hydroxyvitamin D detection kit is prepared by developing a new 25-hydroxyvitamin D dissociation agent capable of replacing perfluorooctanoic acid and combining a double-antibody sandwich method, and has the characteristics of high accuracy, high sensitivity, good stability, simplicity and convenience in operation, high detection efficiency, low cost, safety, environmental friendliness and the like; and the method has relatively high economic value and social benefit.

The invention relates to a method for recovering tin by mixed reduction roasting of crystalline miscellaneous salt and tin-containing iron concentrate, and belongs to the technical field of comprehensive resource utilization. The invention grinds the tin-containing iron concentrate and the crystalline miscellaneous salt to a particle size of less than 40 meshes to obtain tin-containing iron concentrate powder and crystalline miscellaneous salt powder, mixes the tin-containing iron concentrate powder and the crystalline miscellaneous salt powder to obtain a mixed powder, wherein the main components of the crystalline miscellaneous salt are sodium sulfate and sodium chloride; adds a reducing agent to the mixed powder or the granulation of the mixed powder, mixes evenly, heats to the roasting temperature and roasts at a constant temperature to generate high-temperature flue gas, and the high-temperature flue gas is recycled by a dust collection system to recover tin-containing smoke dust, and the dust-removed smoke is discharged into the atmosphere after washing to remove harmful gases. SO2 and HCl generated by the reduction and decomposition of the Na2SO4 component in the crystalline miscellaneous salt of the invention realize sulfidation and chlorination of tin in the tin-iron concentrate, converts tin into SnS and SnCl2, and utilizes the volatilization of SnS and SnCl2 to realize efficient recycling of tin resources therein through dust collection, and simultaneously realizes resource disposal of the crystalline miscellaneous salt.

The invention discloses a strain capable of efficiently degrading coal gangue as well as a culture method and application thereof, the strain capable of efficiently degrading coal gangue is classified and named as Arthrobacter oryzae YJ1 #, is preserved in China General Microbiological Culture Collection Center (CGMCC), and has a preservation number of CGMCC No.32157. The invention further discloses a preparation method of the strain capable of efficiently degrading coal gangue. The optimal culture conditions are as follows: the culture temperature is 30 DEG C, the culture rotating speed is 200 r / min, and the culture time is 48 hours. The efficient coal gangue degrading bacterial strain can enable coal gangue to generate gaps so as to be cracked, organic matters in the coal gangue are decomposed into humic acid and other inorganic matters, and the efficient bacterial strain is used for degrading the coal gangue, so that the environmental pressure caused by stacking of a large amount of coal gangue can be solved, and the application potential of resource reutilization of the efficient bacterial strain can be improved.

The invention relates to the technical field of parameter optimization, in particular to a parameter optimization method and system based on pomegranate function factor extraction. The method comprises the following steps: firstly, acquiring reflected wave spectrum intensity of to-be-detected pomegranates through a surface wave detection technology, comparing the reflected wave spectrum intensity with standard spectrum intensity, and further classifying the to-be-detected pomegranates as cracked pomegranates or complete pomegranates; then, a weighted PID controller is provided, dissociation rate feedback in the dissociation process is received in real time through the weighted PID controller, the water flow speed and the water pressure are dynamically adjusted according to the dissociation rate, and then complete dissociation of the pomegranate seeds and the pomegranate rinds is achieved; finally, the invention provides a self-adaptive weight particle swarm optimization algorithm, and accurate adjustment of extraction parameters is realized by updating and optimizing key parameters in the pomegranate seed functional factor extraction process through dynamic weights, so that the efficiency and purity of functional factor extraction are improved.

The invention relates to the technical field of biology, in particular to a kit for efficiently preparing retina single-cell suspension and a method for dissociating hard retina tissue, a mixed enzyme of collagenase II and collagenase IV, a dissociation buffer solution, a washing buffer solution, a stop solution and a resuspension solution are included, the mass ratio of the collagenase II to the collagenase IV is (1.0-1.8): 1, and the total concentration is 1.2-2.2 mg / mL. By using the kit and the dissociation method provided by the invention, the hard retinal tissue can be effectively dissociated, the protruding link between cells can be fully digested, the sufficient digestion of substances in the protruding gap can be realized, and the single-cell dissociation of the retinal tissue can be well realized and the high cell activity can be maintained through the verification of multiple experiments.

The application belongs to the technical field of plasma, and provides a remote plasma generator, which comprises an ionization cavity, an ignition assembly, a magnetic core assembly and a heat dissipation assembly, and an air channel is formed in the ionization cavity; the ignition assembly is used for exciting and igniting the gas in the air channel to form plasma; the ignition assembly comprises a dielectric sheet, a sealing structure and an ignition structure, the dielectric sheet is attached to the ionization cavity, the sealing structure is arranged on the outside of the dielectric sheet, and the ignition structure is used for exciting and igniting the gas; the inner wall of the ionization cavity is formed with an anodic oxidation plating film; and the dielectric sheet is formed with an anodic oxidation plating film on the surface through an anodic oxidation process.In the application, the surface of the dielectric sheet is formed with an anodic oxidation plating film, the dielectric sheet acts as a dielectric material, the anodic oxidation plating film on the surface is closely attached to the anodic oxidation plating film in the ionization cavity, the contact surface stress is increased, the dielectric sheet is prevented from cracking, the gas corrosion caused by plasma bombardment is effectively reduced, and the service life is prolonged.

The present invention discloses donor compounds and methods containing multiple side chain substitutions, polymer materials and methods, membrane materials, components, batteries and devices, wherein the donor compound has the following general structural formula: The present invention can obtain donor materials by optimizing the coordination with different electron-withdrawing units, and can obtain polymer donor materials, which have good solution processing properties, and the photoelectric properties, aggregation behavior, molecular orientation, film morphology, charge transfer ability, etc. of the material are easy to control.

The utility model relates to powder processing technical field especially relates to a transparent thermosetting powder coating impurity removal machine. Its technical scheme includes the impurity removal bucket, the inside of impurity removal bucket is provided with filter plate no.

In a method for analyzing isoaspartic acid by dissociating precursor ions derived from sample components to generate product ions and analyzing them, the following steps are included: the precursor ions are irradiated with hydrogen radicals or radicals having oxidizing ability to dissociate the precursor ions to generate product ions, the product ions are separated and detected according to a mass-to-charge ratio, and the product ions derived from isoaspartic acid are determined based on the mass-to-charge ratio of the product ions.

The application discloses a high-clay-content coal gangue valuable component gradient recovery system and process, and belongs to the technical field of coal solid waste resource utilization. The application builds a gradient recovery system composed of a pretreatment unit and a flotation unit, realizes step-by-step efficient recovery of two valuable components, i.e. clean coal and kaolin clay, in the coal gangue through multi-stage crushing, grinding, dissociation, particle size grading and coarse particle pre-enrichment separation, in combination with a switchable preferential floating coal and preferential floating clay double-flotation route, and the tailings after removal of the valuable components can be used as building material raw materials or soil remediation agent raw materials. The application can flexibly switch the production process according to the ash content characteristics of the coal gangue feed, adapt to different quality raw materials, and has the advantages of simple overall process, high equipment integration, embeddability in the existing coal preparation production line, independent processing of gangue mountain solid waste, recyclability of water resources, substantial reduction of processing cost, realization of full-component high-value and harmless utilization of the coal gangue, and high market promotion value.

The application belongs to the technical field of solid-state lithium metal batteries, and particularly relates to a carboxymethyl lignin polymer solid-state electrolyte and a preparation method thereof. Lignin is used as raw material, isopropanol is added, sodium hydroxide is used as a catalyst, chloroacetic acid is added, and soluble carboxymethyl lignin is prepared through a carboxymethylation reaction; then the carboxymethyl lignin, polyvinylidene fluoride and lithium bis-trifluoromethanesulfonimide are dissolved in N,N-dimethylacetamide, heated and stirred to form a uniform precursor solution; finally, the precursor solution is spread on a glass culture dish, and a solid-state polymer electrolyte with a smooth surface is obtained through drying. The carboxymethyl lignin prepared by the application is uniformly dispersed in the polymer matrix, can interact with lithium salt to form a uniform lithium ion transmission path. The solid-state electrolyte has excellent mechanical strength, good flame retardant performance, high room temperature ionic conductivity and high lithium ion transference number.

The present invention relates to an embryoid body digestion solution and its application in isolating hematopoietic stem cells. Specifically, the present invention provides a digestion solution suitable for embryoid body dissociation, comprising two components, collagenase and dispase, which has a synergistic effect on the dissociation or digestion of embryoid bodies, and can efficiently dissociate embryoid bodies into single cells in a short time, and the obtained single cells can maintain a high cell viability, good cell phenotype and diversity of cell groups, which can be used for subsequent research or sorting target cells, such as obtaining hematopoietic stem cells. The present invention also provides a method and application for digesting embryoid bodies, which has broad application prospects.