52 results about "Sandwich compound" patented technology

This invention relates to a composite material double-pole plate and its preparation method for fuel batteries. The double-pole plate is composed of resinoid and fillers, uniformly distributed flow fields are on the upper and lower surfaces of the double pole plate and a metal plate is nested in the composite material. The method goes as follow: 1, mixing the resinoid and curing agent to be mixed with fillers, 2, transferring the mixed material into a die-pressing mold to be closed, if a sandwich compound double-pole plate is made, a metal nested plate should be set at the center of the mixed material to be wrapped uniformly by it than to close the mold, 3, putting the mold into a hydraulic machine to be die-pressed to form 4, continuing to cure the double pole to get the product.

The invention relates to a detection kit for interleukin 6. The detection kit comprises two specific monoclonal antibodies of the interleukin 6; one monoclonal antibody covering a perforated plate, the other monoclonal antibody labeled by biotin and the interleukin 6 of a sample to be detected form a sandwich compound structure of covering antibody-antigen-biotin labeled antibody; the biotin labeled on the antibody combines with streptavidin labeled by HRP, and then the HRP reacts with a substrate to generate a signal which is used for conducting quantitative analysis on the interleukin 6. The detection kit can quantitatively detect the content of the interleukin 6 in the sample rapidly and sensitively.

The invention relates to a wetting-resisting super-hydrophobic membrane and a preparation method thereof. Combined nanoparticles are coated with a low surface energy solution to form a rough structure, and a PDMS-SiO2-PDMS sandwich compound layer is formed on the surface of the membrane. The compound layer has the advantages of rough structure and low surface energy, the membrane has super hydrophobicity, and the membrane further has high wetting resistance in a membrane distilling process. The membrane can be utilized to perform direct contact type membrane distillation to treat a water bodycontaining a surface active agent, so that membrane distillation operation time is obviously prolonged, stable operation time is 20 times or more of that of a PVDF original membrane, and water production capacity can be improved by 15 times or more.

Atactic or amorphous poly-alpha-olefins containing 100%–65% propylene and optionally up to about 35% ethylene and/or up to about 15% of a C₄–C₈ alpha-olefin are prepared by polymerizing the monomer(s) at 180–450° F. and at a pressure sufficient to substantially maintain the monomer(s) in the liquid phase. The polymerization is carried out in the presence of catalyst system consisting of (a) a transition metal halide selected from the group consisting of (i) a titanium trihalide and an aluminum alkyl, (ii) a titanium halide on a comminuted magnesium halide support, and (iii) a titanium halide sandwich compound and (b) aluminum alkyl as a co-catalyst. No stereoregulator or only minor amounts of a stereoregulator are used.

The invention discloses a sandwich compound building 3D printing material, a preparing method and a preparing device thereof. The device comprises a hopper, a hollow spiral rod and a rotating motor; the hollow spiral rod is arranged in the hopper, a spiral structure is arranged outside the hollow spiral rod, a cavity allowing a flexible fiber bundle to axially pass through is formed in the hollowspiral rod, a fiber bundle inlet and a fiber bundle outlet are formed in the two ends of the cavity, the fiber bundle outlet is aligned with and narrower than a discharging opening, and the rotating motor is connected to the hollow spiral rod. The flexible fiber bundle penetrates the cavity in the hollow spiral rod, 3D printing slurry is added from the hopper, the hollow spiral rod rotates, the 3Dprinting slurry is extruded, the flexible fiber bundle is evenly wrapped by the 3D printing slurry, and the brand-new sandwich compound building 3D printing material is formed; the anti-cracking ability, the tensile strength and anti-shear performance of the 3D printing material are reinforced, the flexible fiber bundle is arranged in an orientation manner in the length direction, the fiber spacedirection is distributed in the direction most beneficial to tensile strength improving, and the enhancement effect of fibers can be maximized.

The invention relates to a metal compound, in particular to a carbene imine semi-sandwich iridium complex capable of targeting lysosome as well as a preparation method and application thereof, and belongs to the technical field of chemical pharmacy. The compound has a structure formula shown in the description. The prepared compound can be easily modified, can be modified in a plurality of positions, has good anticancer activity, and belongs to a novel kind of potential anticancer medicine. The condition that the semi-sandwich iridium complex can perform cell imaging through laser a co-focusing microscope is found for the first time; the problem of unclear targeting of the semi-sandwich compound is solved; a method for effectively studying the anticancer mechanism of the compound is provided; the cell imaging result shows that the compound can well target the lysosome.

The invention relates to an automatic bovine cell factor chemiluminescence immunoassay detection method based on magnetic particles. Due to a sandwich immunoassay method, a magnetic ball serves as a fixed carrier of an antibody, and flow injection is combined to be applied to chemiluminescence analysis, so that the high-sensitivity automatic bovine cell factor chemiluminescence immunoassay detection method is built. An immunosensor is manufactured by activating the magnetic ball with the carboxyl, then covalently connecting the antibody to the surface of the magnetic ball and closing residual active sites; when being applied to detection of bovine cell factors, the immunosensor is fed into an immune micro reactor after being mixed with an antigen and the antibody which is labeled with horseradish peroxidase; the immunosensor is incubated on line to form a sandwich compound, and the sandwich compound is fed into a chemiluminiscence substrate; a luminous signal is immediately acquired, so that quick detection can be realized. The automatic bovine cell factor chemiluminescence immunoassay detection method has the characteristics of short analysis time, simplicity in operation, high specificity, high sensitivity and the like and can be used for quantitative detection of the bovine cell factors and researches on immunomechanisms of the bovine cell factors.

The invention discloses veneer explosion resistant, bulletproof and violence resistant hollow sandwich compound glass and a method for manufacturing the same. The compound glass comprises compound sandwich glass units, wherein each group of compound sandwich glass unit comprises has at least five layers which are glass, a PU glue film, a PU plate, a PU glue film and glass in sequence; the compound glass at least comprises two groups of compound sandwich glass units; and a hollow layer is arranged between the two groups of compound sandwich glass units, and the inside of the hollow layer is provided with hollow glass parting bars and structural sealing glue. The PU glue film can be PVB or EVA or SGP glue and is compounded on both sides of the PC plate; and the inside of the hollow layer is filled with inert gases. The PC plate can also be an SPC plate or PE plate or PMMA plate. The glass has the functions of veneer explosion resistance, bullet resistance and violence resistance, and by any combination of a plurality of groups of compound sandwich glass units, the requirements on different protection grades of veneer resistance, bullet resistance and violence resistance in different fields and places are met, so that the glass has a wider application space.

The invention relates to a method for simultaneously detecting two types of pathogenic bacteria based on two-color time-resolved fluorescence labeling-magnetic separation aptamer recognition; the method is used for detecting salmonella typhimurium and staphylococcus aureus in milk and dairy products. The method comprises the steps of enabling an aptamer of the salmonella typhimurium and an aptamer of the staphylococcus aureus to be respectively coupled with NaYF4: Ce/Tb time fluorescence resolution nanomaterial and NaGdF4: Eu time fluorescence resolution nanomaterial to form signal probes; meanwhile, enabling the two aptamers to be coupled with Fe3O4 magnetic nanomaterial to form capture probes; when a target material exists, finally forming a sandwich compound due to the specific recognition of the aptamer for the target material. The salmonella typhimurium and the staphylococcus aureus can be quantitatively detected by monitoring the intensities of fluorescence signals at the parts of 544nm and 615nm, the linear ranges of the salmonella typhimurium and the staphylococcus aureus are respectively 10<2>-10<5>cfu ml<-1> and 10<2>-10<5>cfu ml<-1>, and the lowest detection limits of the salmonella typhimurium and the staphylococcus aureus are respectively 15cfu ml<-1> and 20cfu ml <-1>. The method can be used for detecting the two types of pathogenic bacteria at the same time, and has the advantages of being high in sensitivity, rapid, simple and convenient. The method is applied to the detection of the milk and the dairy products, and is accurate and reliable in results.

The invention belongs to the technical field of nanobiology, particularly relating to a preparation method of a magnetic separation fluorescence quantitative detection kit of aflatoxin B1. The invention is a measuring method which combines the quick separation technology of an immunological detection system and magnetic nanometer material with the lightening characteristics. Firstly, magnetic isolating reagent, namely compound (I) is prepared; then, aflatoxin B1 is coupled to the compound (I); fluorescent particle solution (compound (II)) coupled with holoantigen is added; the aflatoxin B1 in the compound (II) and residual antibody on the compound (I) generate immune response to form the immunological sandwich compound (III) of the compound (I) and compound (II); and thus, the density of aflatoxin is in inverse proportion to the fluorescence intensity of the fluorescence particle solution of the final detected solution. The invention has the advantages of quick, accurate and obvious detection, high sensitivity and the like.

The invention relates to a preparation method for a conducting polymer/sulfur compound anode material with a sandwich structure. The method comprises the following steps: 1) preparing a polyaniline hollow ball by taking phosphoric acid, phenylamine, hydrogen peroxide and ferric chloride as raw materials according to a hydrothermal method; 2) preparing a polyaniline/sulfur sandwich compound material precursor by taking the polyaniline hollow ball, sodium thiosulfate pentahydrate, polyvinylpyrrolidone and hydrochloric acid as raw materials according to a normal temperature liquid phase compounding method; 3) synthesizing a polyaniline/sulfur sandwich compound anode material by taking the precursor, aniline, hydrochloric acid and ammonium persulfate as raw materials. The preparation method provided by the invention is simple in process, environment-friendly and suitable for industrial production. The prepared sandwich structure compound anode material applied to a lithium sulfur battery has the advantages of high specific capacity, excellent cycle performance, high rate capability, and the like.

The invention is a steel frame compound pipe, which can be especially applied to water discharging pipe without internal pressure embedded underground with depth not more than 60m. The pipe wall is sandwich compound structure, the internal and the external are steel lining, between which the concrete is filled, there has localizing rib between the internal and the external linings, and the connecting surface of steel lining and concrete are arranged with nail-type rib. It has good rigidity, intensity and extensibility.

The invention discloses a special tool for a foam concrete sandwich compound insulation building block subjected to post foaming forming. The special tool is characterized by comprising U-shaped outer blocking supporting plates 1, U-shaped inner blocking supporting plates 5 and connecting rods 6, wherein each U-shaped outer blocking supporting plate 1 is provided with a plurality of vertical grooves 3 and a plurality of vertical supporting plates 2 as well as connecting posts 4; each U-shaped inner blocking supporting plate 5 is provided with a plurality of vertical supporting plates 2 as well as connecting posts 4; each connecting rod 6 is provided with strip-shaped connection ports 7; each U-shaped outer blocking supporting plate 1 provided with the plurality of the vertical grooves 3 and the plurality of the vertical supporting plates 2 as well as the connecting posts 4 and each U-shaped inner blocking supporting plate 5 provided with the plurality of vertical supporting plates 2 as well as the connecting posts 4 are symmetrically arranged at two ends of each prefabricated concrete outer block body 8 and two ends of each prefabricated concrete inner block body 9; the connecting rods 6 are buckled onto the connecting posts 4, so that the U-shaped outer blocking supporting plates 1 and the U-shaped inner blocking supporting plate 5 are closely connected with the outer block bodies 8 and the inner block bodies 9; the tool and a supporting plate 11 form a die cavity 10 with a sealed bottom and a sealed periphery, and the die cavity is used for pouring foamed concrete liquid slurry 14, and a foam concrete insulation fire-proof plate 12 is manufactured.

The invention provides a combustion gas addition agent for welding with liquefied petroleum gas, as well as the process for preparing the addition agent, which comprises mixing organic peroxides 2-9%, methyl cyclopentadiene manganese tricarbonyl 2-9%, iron or nickel sandwich compound 0.5-5%, ethanol 10-35%, benzyl alcohol 4-15%, benzene 14-35% and petroleum benzene 20-60%.

The present invention relates to a double-deck steel mesh mineral cotton perlite sandwich compound light wallboard; an upper cover coat and a lower cover coat are both double-deck steel meshes; a middle sandwich layer consists of a perlite lath, a mineral cotton lath and a perlite lath which are compounded; the compound middle sandwich layer is clamped and fixedly connected to form a grid sandwich board through the double-deck steel meshes of the upper cover coat and the lower cover coat. The invention has light volume weight, heat preservation, heat insulation, shock resistance, good sound absorption effect, non-toxicity and non-radioactivity, firmness, wear resistance, non-cracking and energy-saving and consumption-reducing performance, thereby the invention is an ideal fireproof and environment-friendly building material.

The invention discloses a generating method of astopic HIV antibody at different antigen surfaces of human immune defect (1+2 type) to judge whether the person is infected by HIV and which hypotype of HIV, which comprises the following steps: preparing astopic antigen strip of HIV antibody on the nitrate cellulose film covered by recombinant antigen of astopic HIV gene; adopting colloidal gold to mark goat-anti-human lgG as signal trace system; reacting the HIV astopic antibody in the sample and colloidal gold goat-anti-human lgG to do corresponding astopic reaction; form antibody sandwich compound of astopic HIV antigen-astopic HIV antibody-colloidal gold marked goat-anti-human lgG; judging whether existing the astopic antibody through special color trace of colloidal gold particle. The inveniton improves the specificity and stabilizes the property of signal trace system with visual judging result, which avoids non-specific and false dismissal probability.

The invention discloses an immunofluorescence kit for quantitatively detecting blood vessel endothelial markers CD105. The immunofluorescence kit comprises a kit body and a test strip arranged in thekit body; the kit comprises a second body, a trace blood-collecting vessel, a peripheral blood taking needle, a sucker, and an alcohol prep pad are arranged in the second body, full process of the blood drawing and blood test can be accomplished once; a detection line and a quality control line are arranged on the test strip; when being loaded on a sample pad, a to-be-detected sample moves forwardthrough capillary action, firstly reacts with a fluorescent mark antibody on a conjugate pad to form a fluorescent mark antibody-antigen compound; the to-be-tested sample continuously move forward, and combines with an antibody II cladded by the detection line to form the fluorescent mark antibody-antigen-antigen sandwich compound to immobilize on the detection line; the redundant fluorescent mark antibody and the rabbit anti-mouse IgG are combined and immobilized, and then detected through a fluorescence detector. The immunofluorescence kit disclosed by the invention has the advantages of being quantitative, fast, simple and convenient, and sensitive, and extensive in market prospect.

The invention discloses a production process of sandwich cotton for color steel sandwich compounding. The production process specifically includes the following steps: A, feeding raw materials including 62.5-67.5% of SiO2, 5.5-7% of B2O3, 10.5-12% of CaO and MgO, 0.0-1.0% of Fe2O3, 0.7-3.0% of Al2O3 and 14.5-18.0% of K2O and Na2O according to a certain sequence, and mixing the raw materials, wherein the temperature during preparation is 35-45 DEG C; B, feeding the mixed materials into a kiln, and increasing the temperature for melting; C, monitoring and ensuring the continuity and uniformity in feeding by an automatic liquid level control system, and recycling waste gases, wherein the measurement error of a laser liquid level indicator is +/-0.5mm; D, allowing the melted raw materials to flow into a centrifuge, drawing fiberglass, and feeding high-bonding-strength adhesives and air atomized glue sprays to the lower portion of the centrifuge to form the sandwich cotton. The sandwich cotton produced by the production process has the felt properties of glass cotton rolls and the compression strength of glass cotton strips, has high hydrophobicity, and has the advantages of noise reduction, insulation, high corrosion resistance, high mechanical strength and the like.

The invention discloses an A-level fireproof inorganic heat-insulating decoration integral board and a manufacturing method thereof. The manufacturing method comprises the following steps: sticking aninorganic fiber board, a nanometer aerogel board and vacuum heat-insulating boards of various core materials as core material boards to an inorganic decoration panel by adopting adhesive mortar or various high-temperature-resistant adhesives; making inorganic heat-insulating slurry into a flat board by rolling, extruding or pressing with equipment; cladding the core materials in order to coat thecore material board fully; then, drying to obtain an inorganic sandwich heat-insulating decoration integral board. The A-level fireproof inorganic heat-insulating decoration integral board made of inorganic materials reaches the A-level fireproof grade. A sandwich compounding process taking efficient heat-insulating materials such as the nanometer aerogel board and the vacuum heat-insulating board is adopted, so that the heat conductivity coefficient of the whole board is lowered greatly, heat resistance is enhanced, a good heat-insulating effect is achieved, and the overall thickness of theheat-insulating board is reduced remarkably. The inorganic fireproof heat-insulating decoration integral board has the advantages of high efficiency, heat-insulating property, labor saving, material saving, safety and fire protection.

The invention relates to the technical field of biology, and discloses a kit for detecting chlamydia trachomatis and an application of the kit. The kit comprises a capture probe, a sulfydryl signal probe, a carrier, a silver staining initiating liquid and silver enhancement liquid, the capture probe is modified by a first modifier, the sulfydryl signal probe is marked by gold nano-particles, and asecond modifier wraps the carrier. According to the kit, specific conserved sequences in the chlamydia trachomatis are selected as templates to design the sulfydryl signal probe marked by the gold nano-particles and the capture probe modified by the first modifier, the sulfydryl signal probe, the capture probe and target sequence specificity are combined to form a sandwich compound, the sandwichcompound can be anchored on the carrier through the second modifier capable of being combined with the first modifier, silver shells are formed on the surfaces of the gold nano-particles under matching of the silver staining initiating liquid and the silver enhancement liquid through catalytic actions of the gold nano-particles, different developing signal differences are achieved, and efficient,special, high-throughput and sensitive detection of the chlamydia trachomatis can be achieved by naked eyes and micro-plate readers.

The invention discloses a mold special for post injection molding sandwich compound insulation building blocks. The mold comprises an upper mold 1 and a lower mold 2, and is characterized in that theupper mold 1 is composed of an upper connecting plate 101, a lower connecting plate 102, a steam/water chamber square frame 103, a mold frame 104, multiple oil cylinders 107, multiple middle clampingplates 113, two end clamping plates 114, multiple guide shafts 115, multiple guide shaft flanges 108, multiple top steam/cooling water passing net plates 117, multiple side face vertical steam/coolingwater passing net plates 121, multiple large heat-resisting rubber base plates 118, multiple small heat-resisting rubber base plates 119 and multiple top partition plates 120; and the lower mold 2 iscomposed of a lower connecting plate 201, multiple lower mold inner partition plates 202, multiple lower mold outer partition plates 203, multiple lower mold bottom steam/cooling water passing net plates 206, multiple large heat-resisting rubber base plates 118, multiple small heat-resisting rubber base plates 119 and a steam/cooling water chamber 210. The mold is novel in design, reasonable in structure, low in manufacturing cost, high in production efficiency and long in service life.

The invention relates to a protective cover of a lifesaving raft special for a large ship seagoing tanker. The protective cover is mainly composed of a resin layer, wherein a first alkali-free glass fibre chopped felt layer, an alkali-free glass fibre sandwich compound felt layer and a second alkali-free glass fibre chopped felt layer are arranged at the bottom of the resin from bottom to top. The protective cover of the lifesaving raft special for the large ship seagoing tanker, disclosed by the invention, has the advantages that the service life is long; on the premise of not reducing the mechanical property, the excellent anti-corrosive property, electrical insulating property and heat insulation property are provided; the weight is reduced, so that the large ship seagoing tanker accords with future design concepts of light weight and low energy consumption; due to the electrical insulating property, the lightning phenomenon possibly appearing in the marine navigation is completely eradicated; due to the heat insulation property, the aging rate of lifesaving equipment in the protective cover is reduced; by adopting a light resin transfer moulding forming process (RTM-LIGHT) and a silicon soft membrane technology, the production quality and the production efficiency are improved; the production cost is reduced; the resin utilization rate is above 95%; the rejection rate is low; the size precision is high; and the batch quality is steady.

The invention discloses a chemiluminescent kit for detecting an EGFR. The chemiluminescent kit comprises a kit body and a reagent bottle in the kit body; the kit body comprises the kit body and a kitcover; the kit cover covers the kit body; the kit body is made from a PMMA material, is firm and durable, and is not easily damaged in a transportation process; a first gap is formed in the upper surface of the kit cover; an anti-skid pad is arranged on the lower surface of the kit body; the anti-skid pad is matched with the first gap; a plurality of kits are stacked together, so that the space issaved, and the transportation is facilitated; a damping pad and a fixing pad are arranged, so that the functions of fixing and protecting the reagent bottle can be achieved; a horseradish peroxidaselabeled EGFR antibody, an EGFR antibody coating a micropore plate and a to-be-detected sample form a "solid-phase coated antibody-to-be-detected antigen-enzyme labeled antibody" sandwich compound structure; a horseradish peroxidase is used for catalyzing a luminescent substrate, namely, luminol, so that the sensitivity is greatly improved; and a more specific, rapid and reliable basis can be provided for clinical diagnosis.