40results about How to "Strong binding force" patented technology

The invention belongs to the technical field of rice matrix seedling and discloses an organic ecological substrate for rice industrialized seedling production. The organic ecological substrate for rice industrialized seedling production comprises the following components in parts by mass: 20 to 40 parts of animal dung, 30 to 50 parts of organic waste, 15 to 30 parts of a conditioner, 20 to 40 parts of carbonized rice husk and 0.01 to 0.03 part of a microbial agent. The organic ecological substrate has high nutrient content and good seedling strengthening effect. The invention also provides a preparation method of the organic ecological substrate for rice industrialized seedling production.

There are provided a rechargeable battery pack, which, upon connecting a plurality of rechargeable battery cells, forms a strong binding force between the cells and reduces the volume of the cells, and a connection tab used for the same. A rechargeable battery pack comprises: a first unit cell and a second unit cell connected in series/parallel to form a core pack and formed as a rechargeable battery; and a connection tab connected to the case of the first unit cell to protrude to the opposite side of the case, coupled to a cap plate protruding from the second unit cell toward the first unit cell, and connected to a protection circuit.

The invention relates to a bamboo charcoal viscose facial mask base cloth and a high moisture retention and moisturizing facial mask. The bamboo charcoal viscose facial mask base cloth is prepared with the following method: 1) adding nanometer bamboo charcoal powder and sodium alga acid into dispersion solution to be dispersed evenly in bamboo charcoal serous fluid; 2) adding the bamboo charcoal serous fluid into viscose spinning solution to be dispersed evenly, and filtering and deforming to obtain mixed spinning solution; 3) carrying out wet method spinning on the mixed spinning solution toobtain the bamboo charcoal viscose, and carrying out opening, mixing, carding and lapping to obtain a bamboo charcoal viscose felt; 4) dissolving chitosan in acetic acid aqueous solution, adding gelatin to be dissolved to obtain finishing liquor, and dipping the bamboo charcoal viscose felt into the finishing liquor to carry out impregnation modification to obtain a compound fiber felt; 5) carrying out spunlace reinforcement on the compound fiber felt. The bamboo charcoal viscose facial mask base cloth has high constraint ability on serum and good water retention and moisture liberation performance; after the facial mask serum is loaded through a liquid hanging step, the high moisture retention and moisturizing facial mask is obtained, situation that serum loss due to dripping and droppingcan be avoided, and waste is avoided.

The invention belongs to the field of high polymer materials, and particularly relates to a super-hydrophobic water-proof moisture-permeable nanometer fiber material and a preparation method thereof.The super-hydrophobic water-proof moisture-permeable nanometer fiber material is prepared from super-hydrophobic electrospinning nanometer fibers of a three-dimensional through porous structure through mutually staggered arrangement, wherein the super-hydrophobic electrospinning nanometer fibers are a blend of polystyrene, polyurethane and a hydrophobe modified silicon dioxide. The preparation method comprises the steps that the polystyrene, the polyurethane and the hydrophobe modified silicon dioxide are uniformly dispersed into an organic solvent to form a spinning solution, and preparationis conducted through electrospinning. The fiber film is small in diameter, interfiber pores are small, the porosity is high, the moisture permeable flux is high, the water-proof performance is improved, the moisture permeable performance is improved, and the super-hydrophobic water-proof moisture-permeable nanometer fiber material has wide application prospects in the outdoor and protective fields.

The invention provides a steel wire rope binding machine. The steel wire rope binding machine comprises an I-shaped wheel bracket and an I-shaped wheel, wherein the I-shaped wheel bracket comprises side guide plates, an arc plate, a pin shaft, a handle and a locking nut; the arc plate and the pin roll getting out of the side guide plates are connected between the two side guide plates; the I-shaped wheel rotating surrounding the pin roll is sleeved outside the pin roll; a winding rope is wound on the outer circumference of the I-shaped wheel; the pin shaft is arranged above the arc plate; the end part of the pin shaft is fixed by the locking nut; the arc plate is fixed on the lower ends of the side guide plates; and the handle is connected outside the upper ends of the two side guide plates. The steel wire rope binding machine is suitable for binding steel wire ropes, and also suitable for binding diameter products and objects, and has the characteristics of big binding force and high working efficiency.

The present invention relates to a monoclonal antibody capable of binding to hepatitis B surface antigen, a hybridoma cell strain capable of producing the antibody and having the preservation number of CCTCC No:C2016198, a preparation method of the antibody, and applications of the antibody in hepatitis B surface antigen detection kits. According to the present invention, the antibody capable of binding to hepatitis B surface antigen is provided, can bind to wild type hepatitis B surface antigen or mutant hepatitis B surface antigen, has wide binding ability, can effectively reduce false negative test results, and further can improve the accuracy of hepatitis B virus detection.

The invention relates to an electric reactor with an integrally-bound iron core and a binding method of an iron core of the electric reactor. The electric reactor comprises a three-column type iron core which is formed by stacking silicon steel sheets, adjusting pad strips are arranged along two side outer surfaces of an iron core column, and binding tapes which are used for integrally binding the iron core column and the adjusting pad strips are arranged outside the adjusting pad strips. The binding method of the iron core of the electric reactor comprises the following steps of firstly, forming the three-column type iron core by stacking the silicon steel sheets, and arranging the adjusting pad strips on the two outer side surfaces of the iron core; and then, integrally binding the iron core column and the adjusting pad strips at the outer sides of the adjusting pad strips. By adopting the structure and the binding method, disclosed by the invention, the binding tapes not only has the stretching resistance like a steel tape, but also has the shock-proof extensibility, solidification is not needed, a large amount of working hours can be saved, the manufacturing period of the iron core is shortened, the production efficiency is increased, the labor intensity of a worker is low, the running noise of a transformer is reduced, the temperature rising of the iron core is effectively reduced, and the binding arrangement of polyester tapes is regular and attractive.

The invention discloses a method for binding iron cores of a transformer with a wound stereoscopic triangular iron core before annealing. The wound stereoscopic triangular iron core is formed by combining three wound iron core sheets. The method includes: splicing the three wound iron core sheets into a stereoscopic triangular structure by arranging the same on a platform, and respectively arranging auxiliary round support steel at an outer triangular zone at the joint of the iron core sheets so as to prevent deformation during binding; binding three core limbs through a steel binding tape packing machine, and firstly binding internal steel binding tapes, aligning various contact surface edges and connecting seamlessly; then binding external steel binding tapes after the internal steel binding tapes in the three core limbs are all bound, and further firmly binding the iron core sheets into an integral stereoscopic triangular iron core. By the method, defects of collapse, deformation and waves and the like are avoided after annealing, and success rate of iron core production is greatly increased.

The invention relates to a crucible for pulling monocrystalline silicon and a preparation method therefor. The crucible consists of a C/SiC crucible blank and various coatings, wherein the C/SiC crucible blank is prepared by manufacturing a green body by methods such as an SMC and then carrying out heat treatment; and the various coatings are prepared by an electric arc method. The crucible prepared by the method is comprehensively better than a quartz crucible prepared by the electric arc method.

The invention relates to the field of lithium ion batteries, and provides a positive electrode material, a preparation method thereof and a lithium ion battery, the positive electrode material comprises an active substance and a coating layer, the chemical general formula of the active substance is LiaNixCoyMnzO2, a is more than or equal to 1.0 and less than 1.1, x is more than or equal to 0.80 and less than 1, y is more than 0 and less than 0.20, z is more than 0 and less than 0.10, the coating layer is formed on at least part of the surface of the active substance, and the coating layer comprises at least two of Li3N, LiCl and Li9N2Cl3. The active substance of the positive electrode material provided by the invention has high capacity and excellent charge-discharge reversibility, and the cycle performance of the positive electrode material under a high-temperature condition is improved. And the coating layer is formed on the surface of the active substance, so that the reaction of the active substance and the electrolyte for generating gas can be reduced, and the thermal stability of the active substance in the circulation process can be improved.

The invention provides an anchor cable bundle supporting device and a roadway supporting method, and relates to the field of roadway supporting devices. The anchor cable bundle supporting device comprise a tray, five anchor cables and five locks separately corresponding to the five anchor cables. The five anchor cables are separately two first anchor cables, two second anchor cables and a third anchor cable, the length of each first anchor cable, the length of each second anchor cable and the length of the third anchor cable are separately a, b and c, and c>a>b. Anchor cable holes are separately formed in the four corners and the middle portion of the tray. The bottom of the third anchor cable is fixed to the tray through the locks, the bottoms of the two first anchor cables are fixed to the same side of the tray through the locks, and the bottoms of the two second anchor cables are fixed to the other side of the tray through the locks. The anchor cable bundle supporting device and theroadway supporting method can be used in a roadway, and the anchoring effect is greatly improved.

The invention discloses a composite negative electrode material, a preparation method thereof, a battery negative electrode and a lithium ion battery, and relates to the technical field of battery materials. The composite negative electrode material comprises secondary carbon particles and gamma-MnS loaded on the secondary carbon particles, the secondary carbon particles comprise amorphous carbon and graphite, the particle size of the graphite is less than 2 microns, and the particle size of the secondary carbon particles is 10-50 microns. According to the composite negative electrode material provided by the invention, the particle size of the composite negative electrode material is increased, so that the particle size of the composite negative electrode material is uniform, the doping structure is stable, graphite is not easy to peel off in charge and discharge cycles when the composite negative electrode material is prepared into a battery negative electrode, and in addition, gamma-MnS is loaded on the surfaces of secondary carbon particles, so that the specific capacity of the composite negative electrode material is greatly improved; the contact area between the gamma-MnS and the electrolyte and the conductive substrate is increased, so that the Li < + > ion transmission coefficient is increased, the lithium removal and lithium insertion capabilities of the composite negative electrode material are stronger, the material is not easy to pulverize, and the cycle performance is better.

The invention provides a lithium ion battery and a preparation method thereof, and relates to the technical field of lithium ion batteries. Specifically, the lithium ion battery mainly comprises a positive electrode, a negative electrode, electrolyte and a diaphragm, wherein the negative electrode comprises graphite, a silica material and a binder, and the binder comprises an acrylate compound; the electrolyte comprises a cyano compound. According to the invention, the short-circuit safety problem of the silicon-containing negative electrode is solved by adding the olefine acid ester binder, and the olefine acid ester binder has strong binding force on the expansion of the negative electrode, and can well inhibit the thickness increase of the negative electrode piece in the circulation process, thereby reducing the safety risk caused by the expansion of the negative electrode piece; meanwhile, a cyano additive is used in the electrolyte, so that the negative effect caused by an acrylate binder is solved, and the overall circulation and storage safety performance of the battery is greatly improved at the same time.