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The invention relates to a sST2 detection kit based on microparticle chemiluminescence immunoassay, relating to a chemiluminescence detection kit. The sST2 detection kit is equipped with reaction buffer, magnetic microparticles coated with sST2 monoclonal antibody, sST2 monoclonal antibody labeled with acridinium ester, luminescent liquid, sST2 antigen standard solution, and concentrated washing liquid. Prepare reaction buffer; prepare magnetic particles coated with sST2 antibody; prepare acridinium ester-labeled sST2 antibody; prepare sST2 antigen standard solution; prepare luminescent liquid; prepare washing liquid. Using microparticle chemiluminescence immunoassay technology, it has higher sensitivity and better stability than ELISA, and fills the gap in the production of microparticle chemiluminescence diagnostic reagents for human serum sST2 detection in China. It has the advantages of simple operation, high sensitivity, wide linear range, stable results, good safety, and easy automation, and has broad application prospects in clinical testing and other aspects.

The invention discloses a coaxial three-layer high-activity bio-enzyme-embedded electrostatic spinning nano-fiber membrane and a preparation method thereof. The coaxial three-way electrostatic spinning technology is used to allow bio-enzyme to be embedded into the sandwich layer of slow release activating agent and porous polymer so as to form the porous nano-fiber membrane. The nano-fiber membrane of a sandwich structure sequentially comprises a slow release activating agent layer (1), an immobilized bio-enzyme layer (2) and a porous polymer layer (3) from inside to outside. By building the structure with communicating ducts, immobilization amount of enzyme is increased, sufficient contact of the enzyme and a substrate is promoted, mass transfer resistance between the enzyme and the substrate is lowered, catalytic efficiency and reusability of the enzyme are increased effectively, environmental sensitivity of the bio-enzyme is lowered, and lasting stability of the bio-enzyme when being applied in complex environments is increased.

The invention discloses a loaded multifunctional catalysis composite material, a preparation method thereof and an application of the composite material to catalytic removal of water pollutants. The preparation method includes the steps: preparing a zinc oxide nano-sheet loaded nickel foam (Ni@ZnO) composite material by an electro-deposition method; compounding molybdenum disulfide micro-nano particles on ZnO porous nano-sheets by an electro-deposition method to obtain Ni@ZnO/MoS₂. The composite material Ni@ZnO/MoS₂ combines the advantages of components such as nickel foam, the zinc oxide nano-sheets and molybdenum disulfide from the point of material performances, high catalytic degradation activity and recycled performances are achieved, photo-catalysis and electro-catalysis are combined from the point of material application, and the catalytic activity of the composite material is improved by the aid of synergistic effects of photo-catalysis and electro-catalysis.

The invention discloses a human serum adiponectin detection kit based on micro-particle chemiluminescence immune assay, and relates to the chemiluminescence detection kits. The human serum adiponectin detection kit comprises reaction buffer liquor, magnetic micro-particles coated with an adiponectin monoclonal antibody, the adiponectin monoclonal antibody marked with acridinium ester, luminescence liquor A, luminescence liquor B, an adiponectin antigen standard substance solution and concentrated scrubbing solution. A preparation method for the human serum adiponectin detection kit comprises the following steps: preparing the reaction buffer liquor; preparing the magnetic micro-particles coated with the adiponectin monoclonal antibody; preparing the adiponectin monoclonal antibody marked with acridinium ester; preparing the luminescence liquor; and preparing the scrubbing solution. According to the human serum adiponectin detection kit, the magnetic micro particles are coupled with the monoclonal antibody, and the micro particles can be suspended in a sample solution, so that the antibodies on the surfaces of the micro particles are sufficiently in contact with a to-be-detected object, and the reaction time is shortened; and the acridinium ester is used as the marker, so that a stable and high-strength signal can be obtained. The human serum adiponectin detection kit is simple to operate, is high in sensitivity, is wide in linearity range, is stable in result, is good in safety and is convenient for automation.

The invention relates to fertilizer, in particular to instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 100-200 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 3-10 parts of chitin, 30-50 parts of potassium carbonate, 10-30 parts of boric acid, 150-300 parts of urea, 200-400 parts of anhydrous dipotassium phosphate and 180-280 parts of ammonium polyphosphate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various macroelement nutrients for soil and crops after usage.

The invention discloses a two-dimensional transition metal carbide (nitride) aerogel as well as a preparation method thereof and application thereof. A HCl (Hydrochloric acid)+LiF (LithiumFluoride) solution is adopted to corrode a ternary layered carbide (nitride) MAX powder, and stable colloidal-state suspension liquid of two-dimensional transition metal carbide (nitride) nano sheets is obtainedby washing and stripping. A hydrochloric acid solution is added to break electrostatic equilibrium between the two-dimensional transitionp metal carbide (nitride) nano sheets, and the two-dimensionaltransition metal carbide (nitride) nano sheets are guided to be self-assembled to form hydrogel, and finally, vacuum freeze-drying is performed to obtain the two-dimensional transition metal carbide (nitride) aerogel. The prepared aerogel has a high specific surface area and developed holes, has adsorption capacity of 246 mg/g to lead ions, has adsorption capacity of 17 g/g to methylbenzene, and is an ideal adsorption material. The preparation method disclosed by the invention is simple and safe, is easy to control, and is suitable for large-scale industrial production; and the prepared two-dimensional transition metal carbide (nitride) aerogel has a good application prospect in the field of adsorption.

The invention provides a preparation method of an electrode sheet including a PTC coating layer and a lithium ion battery including the electrode sheet, and belongs to the technical field of lithium ion batteries. The preparation method comprises the following steps: step 1: according to the number of parts by weight, 400-1000 parts of solvent, 50-100 parts of high-molecular polymer and 0. 5-3 parts of conductive agent are uniformly stirred and then 0. 1-5 parts of mixed reagent of high-voltage-resistant crosslink agent and initiator are added, wherein the mass fraction of the initiator in thehigh-voltage-resistant crosslinking agent is 0. 1-2%, and the mixture is stirred for 2-8 hours so as to obtain a coating slurry; step 2: the coating slurry is coated on a current collector and driedat 80-120 DEG C for 2-6h so as to obtain the current collector coated with the PTC coating layer; and step 3, the electrode sheet slurry is uniformly coated on the current collector and dried, rolledand pressed and sliced so as to obtain the lithium ion battery electrode sheet including the PTC coating layer. The molecular design method is used and the high-voltage-resistant crosslink structure system is introduced so as to effectively improve the compatibility and the processing performance of the PTC coating layer and the electrode sheet.

The invention discloses a floating type light self-cleaning microorganism immobilization membrane for removing oil contamination polluting water and a preparation method of the membrane. Microorganisms are embedded into an inner layer of a porous polymer by using a coaxial electrostatic spinning technology to form a porous nanofiber membrane with a core-shell structure nanofiber, so that an oil absorbent felt floated on the water surface is formed, thus full contact between the microorganisms and greasy dirt is facilitated, the mass transfer resistance of the microorganisms and the greasy dirt is reduced and the catalytic activity of petroleum degradation microorganisms is effectively improved; a nanometer photocatalyst having the photocatalytic effect is immobilized on the surface of the core-shell structure nanofiber surface, so that the greasy dirty remaining on the surface of the fiber is decomposed under the action of the solar energy; moreover, the floating type light self-cleaning microorganism immobilization membrane has a light self-cleaning function, so that the repeating utilization rate of the oil absorbent felt is increased, and the greasy contamination treatment cost of the water is reduced.

The invention provides a preparation method for an inorganic nanoparticle/graphene three-dimensional porous composite material. According to the preparation method, the inorganic nanoparticle/graphene three-dimensional porous composite material is prepared by the steps of uniformly mixing polystyrene microspheres pre-loaded with inorganic nanoparticles with a graphene oxide solution, then removing a solvent, and packaging and compounding the mixture; and next, removing a polystyrene template through thermal treatment, carrying out thermal reduction on graphene, and keeping the inorganic nanoparticles. The preparation method has the beneficial effects as follows: the polystyrene microspheres are taken as the carrier of the inorganic nanoparticles, so that agglomeration of the inorganic nanomaterial and the graphene lamination can be effectively avoided in the regulation and control process of the porous structure; when the porous composite material is used as the negative electrode of a lithium battery, the inorganic nanoparticles with high theoretical specific capacity supplies possibility for implementation of the high energy density of the material; the three-dimensional conductive network formed by graphene supplies possibility for implementation of the high power density; and in addition, due to the three-dimensional porous structure, the volume change caused by lithium intercalation/deintercalation of the active particles can be effectively relieved, so that the cyclic stability of the material is improved.

The invention discloses a method for preparing a Co0.85Se super-capacitor material through a chemical vapor deposition method, wherein the Co0.85Se super-capacitor material is a nano film-shaped structure covering a nickel mesh. The specific growth process comprises the following steps: 1), grinding and mixing selenium powder and cobalt powder, putting the mixture of selenium powder and cobalt powder into a quartz boat, and putting the quartz boat into a chemical vapor deposition reacting furnace quartz tube; 2), enabling a foamed nickel mesh to be placed at a position, close to the mouth of the quartz tube, of a downstream side of an air flow; 3), letting in argon gas, exhausting the air in the furnace, stopping the supply of the gas, carrying out heating for some time, and then letting a certain amount of argon gas in the quartz tube for heat preservation, and finally cooling the furnace to the room temperature naturally; 4), taking out foamed nickel, repeatedly washing the foamed nickel through deionized water and ethyl alcohol, drying the foamed nickel, and obtaining the material. The method is simple in operation and does not need complex equipment, and the Co0.85Se uniformly covers the nickel mesh. The material can be prepared in a large area. A composite Co0.85Se nano material electrode is tested in a three-electrode system, presents a high specific capacity of 4462F/g under the current density of 1A/g, and still can maintain 80% or more of the specific capacitance value after 5000-time circulating charging and discharging under a high current of 20A/g, wherein the charge transfer impedance is 0.82 ohm/cm<2>.

The invention relates to application of polyvinyl acetate adsorption resin on cigarettes and is characterized in that the polyvinyl acetate adsorption resin is added to cigarette filters, the release amount of phenol in mainstream smoke in the cigarettes can be selectively reduced by over 25%, and the adding amount of the polyvinyl acetate adsorption resin in each filter is 10-30mg. The polyvinylacetate adsorption resin is prepared by suspension polymerization and is composed of raw materials: divinyl benzene, vinyl acetate, a pore-foaming agent, an initiating agent, water, inorganic salt and a dispersing agent. The polyvinyl acetate adsorption resin material can effectively adsorb the harmful substance phenol in the smoke, the release amount of tar is substantially unchanged or slightlyreduced, negative effects on smoking quality of the cigarettes are avoided simultaneously, and accordingly the aim of selectively reducing the release amount of phenol in the cigarette smoke is achieved.

The invention discloses a device for degrading POPs pollutants in soil through a low-temperature plasma continuous oxidation bed. The device comprises a skid-mounted box; a feeding pipe penetrates through one end of the box body; a discharging pipe penetrates through one end, far away from the feeding pipe, of the box body; the top end of the inner wall of the box body is fixedly connected with aconnecting rod; the bottom end of the connecting rod is fixedly connected with a high-voltage discharge electrode; the high-voltage discharge electrode comprises a fixed plate, a movable rod and a high-voltage electrode; the movable rod is movably connected to the lower surface of the fixed plate, the high-voltage electrode is fixedly connected to one end, away from the fixed plate, of the movablerod, a protective shell is fixedly connected to the bottom end of the interior of the box body, and a gas carrying mechanism is fixedly mounted in one end, close to the feeding pipe, of the protective shell. High-activity particles generated by dielectric barrier discharge are used for degrading high-toxicity organic pollutants in soil, and the method has the advantages of continuous system, stable operation, high degradation efficiency and the like.

The invention discloses production equipment for a composite plastic product, and belongs to the technical field of composite plastic products. The production equipment for the composite plastic product comprises a tube making machine shell, wherein an opening die matched with a core rod is arranged on the outer wall of the right end of the tube making machine shell; a water cooling device is arranged on the outer wall of the right side of the opening die; a feed inlet is arranged on the outer wall of the left side of a heating box; a filtering water tank and a clear water storage tank are respectively arranged at the left end and the right end of the bottom of an inner cavity of a purification machine shell; a demisting device is arranged at the top of the filtering water tank; and sterilization lamp groups are symmetrically arranged on the tops of the inner walls of the left side and the right side of the purification machine shell. The production equipment for the composite plasticproduct is simple in operation and high in working efficiency; eight fixing pipes are arranged on the inner wall of an annular water collecting pipe, so that clean water is in full contact with the outer wall of a preliminarily formed plastic pipe conveniently, and the cooling efficiency is improved; waste gas is thoroughly purified and treated through four procedures, and damage to the environment caused by the discharge of the unqualified waste gas is effectively avoided; and an air inlet fan and an air exhaust fan are located on the same axis so that residual water drops on the outer wall of the plastic pipe can be conveniently removed.

The invention provides a method for repairing polluted sites. The method for repairing the polluted sites comprises the steps that firstly, soil of the polluted sites is selected, a pollutant microorganism culture medium is prepared, microorganism strains capable of effectively treating organic pollutants in the soil can be selected and cultured, separating and purifying are carried out to obtainmixed microorganism bacterium liquid, then water is added to the polluted soil to prepare a slurry soil mixed solution, a pH value is adjusted, finally the mixed microorganism bacterium liquid, a surfactant, potassium ferrate and hydrogen peroxide are added into the mixed solution, and the mixture is placed silently after ultrasonic treatment. According to the method for repairing the polluted sites, combined with biological treatment and chemical oxidation methods, rapid and efficient remediation of soil contaminated by typical organochlorine pesticides such as DDT, HCH and the like can be realized, the surfactant is a mixture of saponin and activated carbon, sufficient contact between potassium ferrate and the organochlorine pesticides can be increased, and the repair cost is reduced.

The invention discloses a large-scale built-in ultrasonic alginic acid extractor, which belongs to the field of extraction equipment and is used for extracting alginic acid from brown algae. Stirring blades are installed on the top, and stirring holes are processed on the stirring blades. Ultrasonic transducers driven by ultrasonic generators are respectively installed on the stirring blades, and the ultrasonic transducers are respectively connected with the ultrasonic horn and the ultrasonic tool head. In view of the above technical solution, the present invention can realize the continuous and stable extraction of alginic acid in brown algae by large-scale alginic acid extraction equipment, improve the extraction efficiency, and reduce the extraction time.

The invention relates to a preparation method and a refining method of ethoxymethylenemalononitrile. The preparation method comprises the steps as follows: putting malononitrile, triethyl orthoformate and anhydrous lithium chloride in a reaction vessel, stirring the mixture, heating the mixture to the temperature of 78-85 DEG C, after complete reaction, removing ethanol produced in the reaction through distillation, cooling and crystallizing the residual liquid after distillation, and collecting and drying solids to obtain the ethoxymethylenemalononitrile. According to the preparation method, a catalyst is changed into the anhydrous lithium chloride, the full contact of the catalyst with reaction substances is promoted, the ethanol produced in the reaction is directly used as a reaction solvent, and a synthetic reaction is performed at an ethanol backflow temperature, so that the catalytic efficiency, the reaction speed and the reaction efficiency are improved remarkably, the use of a large number of toxic solvents (methylbenzene) is avoided, the environmental protection is facilitated, the reaction operation is simplified, the problem of inconvenience in solvent recovery is solved, the manufacturing cost is reduced remarkably (the cost is reduced by about 40%), and the preparation method is applicable to the industrial production.

The invention provides a method for detecting hydrogen sulfide based on a ruthenium nanoparticle colorimetric method. According to the method, ruthenium nanoparticles can enable azo dyes to fade in the presence of hydrazine hydrate, while the hydrogen sulfide can be bound to the ruthenium nanoparticles to form ruthenium sulfur bonds (Ru-S), so that the activities of the ruthenium nanoparticles for degrading the dyes are passivated. When the concentration of the hydrogen sulfide is high, the passivation degree of the ruthenium nanoparticles is deep, and then the azo dyes are difficult to fade. A novel colorimetric method used for detecting the hydrogen sulfide is developed by utilizing hydrogen sulfide induced ruthenium nanoparticle inactivation. By optimizing experimental parameters, the method detects that the hydrogen sulfide shows two good linear relations in the concentration ranges of 0.5-100nM and 100-800nM under the optimal conditions, and the detection limit is 0.6nM. Compared with the colorimetric method in a literature report, the method disclosed by the invention is capable of realizing rapid analysis, extremely high in sensitivity and excellent in selectivity and has important significances when being used for detecting the hydrogen sulfide in actual samples, particularly atmosphere.