12results about How to "Valid package" patented technology

The invention discloses a multi-layer steel structure connecting frame. The multi-layer steel structure connecting frame sequentially comprises a bottom-layer frame, a top-layer frame and at least one middle-layer frame between the bottom-layer frame and the top-layer frame from bottom to top. The frames comprise stand columns, and every two adjacent stand columns are connected through a cross beam. The adjacent frames are connected up and down through connecting assemblies; the connecting assembly comprises a first connecting piece and a second connecting piece. The first connecting piece comprises a first rectangular frame and a first sleeve. The second connecting piece comprises a second rectangular frame and a second sleeve, and the opening end of the second sleeve is opposite to the opening end of the first sleeve. The connecting rib is connected with the first connecting piece and the second connecting piece. The first connecting piece and the second connecting piece are connected in an anchoring mode through the mutual inserting design of the connecting ribs and the sleeves, so that the connecting ribs and grouting materials are combined more firmly, the strength and stability of the structural connecting portion are improved, and structural potential safety hazards caused by dislocation or looseness of the connecting ribs are avoided.

This invention provides a solar cell, its fabrication process, a tandem solar cell, and a photovoltaic module. The fabrication process of the solar cell includes: providing a cell substrate; printing a conductive material onto the cell substrate; and curing the conductive material to form initial grid lines. The conductive material includes bismuth-based lead-free glass; the conductive material also includes copper powder and nickel powder; the mass ratio of copper powder to nickel powder is 80~99.5:0.5~20, and the copper powder includes flake-shaped copper powder and spherical copper powder. In the fabrication process of this invention, the conductive material, through a ternary synergistic system of "copper-nickel-glass" and a dual-morphology copper powder composite design, achieves multiple effects such as suppressing copper diffusion and oxidation and improving adhesion under an air-sintering atmosphere, thereby improving the fill factor and photoelectric conversion efficiency of the solar cell.

The utility model discloses a height-adjustable efficient sugarcane leaf peeling device which comprises a telescopic supporting rod, a fixed sleeve and a combined type cutting tool bit, one end of the fixed sleeve is connected with the combined type cutting tool bit, and the other end of the fixed sleeve is connected with the telescopic supporting rod; the combined type cutting tool bit comprises a U-shaped girdling knife, the U-shaped girdling knife is composed of a U-shaped annular knife hook with an upward opening, the bottom of the U-shaped girdling knife is connected with the fixing sleeve, the width of the upper opening of the knife hook is larger than that of the bottom of the knife hook, the knife hook can adapt to different sugarcane stems, and a blade on the side edge of the knife hook is parallel to the length direction of the sugarcane and is arranged downwards. The efficient sugarcane leaf stripping device can rapidly and efficiently cut leaves needing to be stripped on sugarcane stems, is suitable for stripping leaves of sugarcanes with different plant heights, effectively reduces the number of times of manual arm swing leaf stripping, improves working efficiency and reduces labor intensity.

The application relates to the technical field of fresh-keeping materials, in particular to a glucosan-water-soluble cellulose antibacterial material and a preparation method and a fresh-keeping film thereof. The preparation method comprises the following steps: preparing a water-phase solution by using glucosan and water-soluble cellulose, wherein the mass concentration of the glucosan is 1.5-3.5%, and the mass concentration of the water-soluble cellulose is 1.0-2.5%; preparing an oil-phase solution by using an antibacterial agent and an emulsifier; adding the oil-phase solution into the water-phase solution and performing high-speed shearing emulsification to form a nano-emulsion; adding a crosslinking agent into the nano-emulsion to form a crosslinked emulsion with a reticular structure; and preparing the crosslinked emulsion into a slow-release capsule. The preparation method effectively wraps the antibacterial agent by using the mixed system of the glucosan and the water-soluble cellulose, and ensures that the antibacterial agent can be stably released.

The invention discloses an organic silicon dispersing agent for an oil suspending agent and a synthesis method of the organic silicon dispersing agent, and relates to the field of organic silicon. Organic silicon groups in molecules prepared by the method can well wet the surface of a pesticide raw medicine, meanwhile, macromolecules can effectively wrap and anchor the pesticide raw medicine, and a traditional surfactant part in the macromolecules can play a role in emulsifying an oil phase.

The invention relates to the technical field of material science and surface engineering, and discloses a modified covalent organic framework material as well as a preparation method and application thereof. The modified covalent organic framework material comprises a covalent organic framework material as well as tannic acid and cerium ions which are loaded on the covalent organic framework material. The preparation method comprises the following steps: (1) reacting an aldehyde group-containing organic monomer with an amino group-containing organic monomer to obtain a covalent organic framework material; (2) reacting the covalent organic framework material with tannic acid to obtain a tannic acid modified covalent organic framework material; and (3) mixing an aqueous solution containing cerium salt with the tannic acid modified covalent organic framework material. The modified covalent organic framework material provided by the invention has obviously better cerium ion adsorption performance and controllable release performance, and the prepared anticorrosive coating has obviously better corrosion resistance.

The utility model discloses a novel braided mesh pipe, including the mesh pipe body, the mesh pipe body includes a plurality of first function strands and second function strands, and is woven through a plurality of first function strands and second function strands, and a plurality of mesh holes are formed between a plurality of first function strands and second function strands, and the first function strand includes PET monofilament and PPS monofilament, and is made through the spiral twist of PET monofilament and PPS monofilament, and the second function strand includes PA monofilament and polypropylene monofilament, and is made through the spiral twist of PA monofilament and polypropylene monofilament, and the mesh pipe body is plain weave structure, and the number of strands of PET monofilament and PPS monofilament is 2:1, and the number of strands of PA monofilament and polypropylene monofilament is 2:1, and the diameter of PET monofilament, PPS monofilament, PA monofilament and polypropylene monofilament is 0.2 0.4mm, and a plurality of mesh holes are square or rhombic, and the utility model discloses reasonable structure has the advantages of simple design, diversified function, convenient to use.

The present application relates to the technical field of food condiment, in particular to a kind of halal composite seasoning and preparation method thereof.The seasoning includes the following mass parts of raw materials: edible mushroom enzymatic hydrolysate 30-50 parts, yeast extract 5-15 parts, edible salt 10-20 parts, white granulated sugar 5-12 parts, glucose 1-5 parts, sodium glutamate 3-8 parts, disodium inosinate 0.5-2 parts, halal spice powder 8-15 parts, vegetable oil 5-10 parts, resistant dextrin 3-8 parts, malt dextrin 2-6 parts.The preparation method includes: mixing edible mushroom enzymatic hydrolysate, yeast extract, glucose and vegetable oil to carry out Maillard reaction, to obtain reaction base material;mixing reaction base material and the remaining raw materials to carry out homogenization and sterilization to obtain the present application.The present application is through the synergy of edible mushroom enzymatic hydrolysate and yeast extract, Maillard reaction aroma enhancement, specific ratio dextrin flavor protection, so that the seasoning has the characteristics of rich and full umami, good heat resistance, flavor lasting.

The embodiment of the utility model provides a backpack clip type test mechanism, and relates to the technical field of test equipment. The backpack clamping type testing mechanism comprises a protection box, a first limiting assembly is arranged at the top of the protection box, the first limiting assembly comprises a lower cover plate, fixing blocks are fixedly connected to the front side and the rear side of the top of the lower cover plate, and hasps are jointly connected to the outer surfaces of the fixing blocks and the protection box. A second limiting assembly is arranged in an inner cavity of the protection box, the second limiting assembly comprises four rotating rods, and first push plates are fixedly connected to the outer surfaces of the rotating rods. According to the technical scheme, through cooperative cooperation of the protection box, the first limiting assembly and the second limiting assembly, the naked screen can be stably fixed in the jig, the non-display area and the fragile frame part on the periphery of the naked screen are effectively wrapped and protected, and damage caused by external force impact or friction in the carrying or testing process is avoided.

This application relates to the field of insecticide technology, specifically to a slow-release insecticidal suspension and its preparation method. The insecticidal suspension comprises the following raw materials in weight percentages: 8%–30% thiamethoxam, 7%–20% lambda-cyhalothrin, 0.1%–2% slow-release agent, 3%–10% emulsifier, 1%–5% dispersant, 1%–5% silica, 1%–5% activated clay, 0.1%–2% xanthan gum, and water to 100%. The dispersant includes a first dispersant and a second dispersant; the first dispersant is sodium lignosulfonate, and the second dispersant is one or both of sodium maleic acid-acrylic acid copolymer and sodium naphthalenesulfonic acid formaldehyde polymer. The slow-release insecticidal suspension of this invention avoids Austronesian maturation, has good dispersibility, can be processed into high-concentration formulations, has low packaging costs, good stability, long shelf life, high suspension rate, and good slow-release effect.

The utility model discloses a periodontal care whitening tooth paste which comprises a backing layer, a cutting groove is formed in the upper middle portion of the backing layer, an upper tooth paste body is arranged above one side of the backing layer, a lower tooth paste body is arranged below one side of the backing layer, and the upper tooth paste body and the lower tooth paste body each comprise a plastic film layer on one side. An elastic gel layer is arranged on the back of the plastic film layer, and drawstrings are connected to the outer sides of the upper tooth paste and the lower tooth paste. The tooth strip has the beneficial effects that by arranging the cutting seam, a worker can conveniently fold the back lining layer to form a folding line through the cutting groove, so that the folding line is formed in the middle of the tooth strip, errors of the folding line are prevented, teeth can be effectively wrapped by the tooth strip, and the tightness of connection between the tooth strip and the teeth is improved.