62results about How to "Keep strong" patented technology

The invention relates to the production field of tire rubber sizing materials, in particular to a method for mixing liquid state white carbon black and liquid state natural rubber in a liquid phase. The preparation method for liquid phase stirring and mixing of the white carbon black and the natural rubber comprises the steps of (1) preparing slurry; (2) mixing; (3) solidifying, dehydrating, washing and stoving. The method adopts liquid-liquid high speed stirring and mixing to effectively preserve original states of natural rubber macromoleculars, effectively preserves brute force of the natural rubber and substantially promotes brute force and abrasive resistance of mixed glue. Brute force of sizing materials mixed by using the method is substantially promoted, and themogenesis and hysteresis loss are obviously reduced. The mixed glue produced by the method can be singly used and can also be blended with the natural rubber, rubber polymer, natural rubber carbon black rubber master batch and rubber polymer carbon black rubber master batch according to certain proportion. According to the method, the liquid state white carbon black and the liquid state natural rubber are mixed directly, the process is simple, the land occupation is small, the equipment investment is low, and dust pollution does not exist in a production process.

A resin lid for a container body with an opening in an upper part, including a body part that closes the opening and has an air hole, and a flap that includes a base, a hinge on a first end of the base, and a projection provided on a second end side of the base and fitted in the air hole. The flap is swingable around the hinge between a first position in which the projection fits in the air hole and a second position in which the air hole is open. The body part and flap are integrally formed. When the flap travels from the second to the first position, a tip of the projection comes into contact with a circumferential edge of the opening of the air hole on a side opposite the hinge, and the projection fits in the air hole as the flap elastically deforms.

The invention relates to a preparation method of an immunoaffinity chromatography medium and an application in tetraodotoxin purification. The preparation method of an immunoaffinity chromatography medium comprises the following steps of: activating a solid-phase carrier through a cyanogen bromide method; coupling a tetraodotoxin specific antibody to the swelled activated solid-phase carrier; sealing the immunoaffinity chromatography medium; and washing the immunoaffinity chromatography medium. The method for purifying tetraodotoxin by using the immunoaffinity chromatography medium comprises the following steps of: pretreating a sample containing tetraodotoxin; preparing a tetraodotoxin immunoaffinity chromatography column; loading the sample; eluting the column; and collecting the elution liquid. The immunoaffinity chromatography medium provided by the invention has high selectivity, strong retention and concentration capability on tetraodotoxin in the sample, water-phase operation, easiness in operation and good purification effect, the immunoaffinity chromatography column can be used repeatedly, a large amount of solvent can be saved, and analysis cost and environmental pollution are reduced.

A method for purifying abamectin medicines by the special immunoaffinity chromatographic column carrying immunoaffinity adsorbent is disclosed. Said adsorbent is composed of solid carrier and its coupled abamectin polyclonal or monoclonal antibody. It features that the chromatography is used to measure the contents of abamectin, having high correctness.

The present invention is premised upon a clip and housing plate assembly capable of (“to accommodate”) loading, unloading and retaining a cable end within the housing plate assembly. Of particular interest is the clip and housing plate assembly used in a drum brake assembly and where the cable end is part of a cable assembly for a parking brake. The clip and housing plate assembly having clip member and a housing plate member and wherein the clip member is generally disposed outside an outer surface (or inside an inside surface) of the of the housing plate member and rotatably connected thereto.

A method for purifying alpha-zearalol and/or beta-zearalol and/or zearalone and/or alpha-zearalenol by the special immunoaffinity chromatographic column carrying immunoaffinity adsorbent is disclosed. Said adsorbent is composed of solid carrier and its coupled alpha-zearalol monoclonal antibody. It features that the chromatography is used to measure the contents of alpha-zearalol and its metabolites, having high correctness.

The invention discloses a method of dichroa febrifuga ketone's purification and its immune affinity chromatographic column. The immune affinity adsorption chromatography column of puriftying dichroa febrifuga ketone is loaded with adsorbent which is consisted of solid carrier and dichroa febrifuga ketone polyclonal antibody dichroa or monoclonal antibody connected with the solid carrier; the dichroa febrifuga ketone polyclonal antibody dichroa or monoclonal antibody is obtained by the immunogen of connective thing of dichroa febrifuga ketone haptene and carrier protein; the dichroa febrifuga ketone haptene is made by dissolving hydrobromic acid dichroa febrifuga ketone in N, -N, dimethyl formamide, then adding trimethylchlsilane imidazole, the outcome dichroa febrifuga ketone succinic derivant is dichroa febrifuga ketone haptene. The purifying method of this invention combining chromatography can examine the content of dichroa febrifuga ketone efficiently. This method covers the shortage of measuring sample directly only by immunoassay technology which gets little information, bad quantitative accuracy or insufficient selective of physicochemical method, incarnates the complementarity of immunology technic and general physicochemical technic in the analytic mechanism.

Disclosed is a cosmetic product dispensing device including a base and a tubular cartridge configured to be detachably coupled to the base. The cartridge includes: an outer tube; a control sleeve; a receptacle for cosmetic product; and a bottom element integral in rotation with the control sleeve. The base includes an operating member including a coded pattern and the bottom element includes a complementary operating member including a complementary coded pattern. The operating member is able to engage with the complementary operating member such that a relative rotation of the base in relation to the cartridge causes a movement of the receptacle for cosmetic product along a longitudinal axis of the cartridge.

The invention relates to the field of a tire rubber sizing material, in particular to a glue cushion sizing material and a preparation method and application of the glue cushion sizing material. The glue cushion sizing material containing liquid-phase disperse white carbex mixture is prepared by plasticating and mixing the following components by weight of 50-100 parts of the liquid-phase disperse white carbex mixture, 0-80 parts of nature rubber, 0-30 parts of carbon black, 1.0-3.0 parts of high aromatic hydrocarbon oil, 0.80-1.50 parts of stearic acid, 6.5-8.5 parts of zinc oxide, 2.0-4.0 parts of antiager 4020, 0.60-1.0 part of antiager RD, 1.0-3.0 parts of 204 resin, 3.0-4.5 parts of infusible sulphur OT20, 1.0-2.5 parts of vulcanization accelerator, 0.90-1.50 parts of hardness increasing reinforcing agent 9010 and 0.3-2.0 parts of accelerator D. The glue cushion sizing material adopts the white carbon black to completely or partially replace carbon black to reduce rolling resistance of a tire, improve anti-slippery and wear-resisting properties and produce energy-saving and environment-friendly tires.

The invention discloses an immunoaffinity stir bar for adsorbing diethylstilbestrol drug, and a preparation method and an application thereof. The immunoaffinity stir bar for adsorbing diethylstilbestrol drug is composed of solid phase carrier and diethylstilbestrol murine monoclonal antibody coupled with the same, wherein the ratio of the coupling length of the solid phase carrier and coupled diethylstilbestrol DES-6B4 murine monoclonal antibody to the weight thereof is 1 cm: 2 mg. Through combining with a chromatography, an extracting method can effectively separate and condense the ingredients to be detected in a sample, the toluylene compound content detection is facilitated, the disadvantages of less information amount, low quantification precision, low physico-chemical method selectivity and the like due to using the simplex immunoassay to directly detect the sample are overcome, and the analysis mechanism complementarity between the immunological technique and conventional physical and chemical technology is reflected.

The invention discloses a preparation method of an immunoaffinity column. The immunoaffinity column is a compound affinity column which is mainly prepared from three types of immunoaffinity columns through mixed packing in a volume ratio being 1:1:1, and the three types of immunoaffinity columns are prepared from three antibodies and a coupling matrix through coupling and wet packing. The column capacity of the immunoaffinity column is 2,500 ng, the immunoaffinity column is good in purification effect and can be repeatedly used three times, and average recovery rate is 67%-107%. The compound immunoaffinity column has good specific adsorption property for at least 12 sulfonamides including sulfaquinoxaline, sulfadiazine, sulfapyridine, sulfametoxydiazine, sulfadimidine, sulfamethoxazole, sulfafurazole, sulfadimethoxypyrimidine, sulfathiazole, sulfamerazine, sodium N-sulphanilamidate and sulfamonomethoxine. The immunoaffinity column which is high in coupling rate, specific adsorption property, column capacity and recovery rate is prepared, and a sensitive, rapid and simple analysis method capable of detecting residues of the 12 sulfonamides simultaneously is provided.

The invention discloses a method for separating and purifying dehydroevodiamine from fructus evodiae which is a rutaceous plant. The method comprises the following steps: soaking a fructus evodiae fruit by using a petroleum ether to degrease, then extracting with 2% HCl as a solvent through a reflux extraction method, collecting an extracting solution, then carrying out vacuum concentration or freeze-drying to obtain an extractum A, dissolving the extractum A with methyl alcohol, filtering, carrying out vacuum concentration or freeze-drying on a filtrate to obtain an extractum B, taking polyamide resin as a filler to elute the extractum B with water-ethyl alcohol, fractionally collecting a semi-finished product, conducting vacuum concentration or freeze-drying to obtain a solid semi-finished product, taking ethyl alcohol-acetone as a solvent to recrystallize the solid semi-finished product to obtain a dehydroevodiamine powder crystal with the purity more than 98.5%. The yield of the dehydroevodiamine prepared through the method is high, the cost is low, the operation is simple, and the method is environmentally friendly, and is suitable for large-scale industrial production.

The invention relates to the field of a tire rubber sizing material, and in particular relates to a base glue sizing material and a preparation method and application of the base glue sizing material. The base glue sizing material containing liquid-phase disperse white carbex mixture is prepared by plasticating and mixing the following components by weight of 50-100 parts of the liquid-phase disperse white carbex mixture, 0-80 parts of nature rubber, 0-40 parts of carbon black, 1.0-3.0 parts of rubber peptizer WP, 0.80-1.50 parts of stearic acid, 3.0-4.0 parts of nano zinc oxide, 1.0-3.0 parts of antiager 4020, 0.80-1.5 parts of microcrystalline wax, 0.30-0.80 parts of antiager RD, 2.0-3.0 parts of infusible sulphur IS 7020, 1.5-2.5 parts of vulcanization accelerator NS, 0.80-1.50 parts of antifatigue G108, 0.30-0.80 parts of hardness increasing reinforcing agent 9010 and 0.10-0.30 parts of accelerator D. The base glue sizing material adopts the white carbon black to completely or partially replace carbon black to reduce rolling resistance of a tire, improve anti-slippery and wear-resisting properties and produce energy-saving and environment-friendly tires.

A character-shaped porous mitt for housing and dispensing soap comprised of an outer body formed from terry cloth or similar material and a sponge-like material lining an interior cavity containing a soap pocket in which to hold bar or liquid soap that is fastened using a hook-and-loop fastener. An area at the mouth, the body or the rear of the mitt through which the bar of soap or the liquid soap can be received and housed until the soap mixes with water to produce a rich lather with which to cleanse a user's body. Finger pockets or loops are configured to receive the fingers of a user to allow the user to securely hold the mitt, even in the presence of rich lather. A rough-textured portion of the outer body provides added friction between the outer body and skin of a user to allow the user to scrub or exfoliate his or her skin.

The invention discloses novel knitted fabric. Core spun yarn and spandex weft are adopted for being knitted into lycra jersey fabric. The core spun yarn is sorona high-elasticity yarn spun with natural fibers or viscose fibers, the fabric is prepared from 50-60% of natural fibers or viscose fibers, 30-40% of sorona high-elasticity yarn and 5-20% of spandex, and the prepared knitted fabric is excellent in stretchability, resilience, plasticity and wrapping performance, comfortable to wear and capable of according with modern and environment-friendly ideas.

The invention discloses an immunoaffinity stir bar for adsorbing chloramphenicol, and a preparation method and an application thereof. The immunoaffinity stir bar for adsorbing chloramphenicol is composed of solid phase carrier and chloramphenicol murine monoclonal antibody coupled with the same, wherein the ratio of the coupling length of the solid phase carrier and coupled chloramphenicol murine monoclonal antibody to the weight thereof is 1 cm: 2 mg. Through combining with a chromatography, an extracting method can effectively separate and condense the ingredients to be detected in a sample, the chloramphenicol content detection is facilitated, the disadvantages of less information amount, low quantification precision, low physico-chemical method selectivity and the like due to using the simplex immunoassay to directly detect the sample are overcome, and the analysis mechanism complementarity between the immunological technique and conventional physical and chemical technology is reflected.

The invention discloses an immunoaffinity stir bar for adsorbing raxofelast acid lactone compound, and a preparation method and an application thereof. The immunoaffinity stir bar for adsorbing raxofelast acid lactone compound is composed of solid phase carrier and zeranol murine monoclonal antibody coupled with the same, wherein the ratio of the coupling length of the solid phase carrier and coupled zeranol murine monoclonal antibody to the weight thereof is 1 cm: 2 mg. Through combining with a chromatography, an extracting method can effectively separate and condense the ingredients to be detected in a sample, the raxofelast acid lactone compound detection is facilitated, the disadvantages of less information amount, low quantification precision, low physico-chemical method selectivity and the like due to using the simplex immunoassay to directly detect the sample are overcome, and the analysis mechanism complementarity between the immunological technique and conventional physical and chemical technology is reflected.

The invention provides a double-coil bistable-state electromagnetic mechanism provided with an armature with a sealing conical surface. The armature with the conical surface is used as the core structure of the electromagnetic mechanism, so that the initial output force is increased, and the retention force of the closing side is also increased. The structure that two coils are connected in seriesis adopted; in the closing process, the lower coil is used for counteracting the permanent magnetic flux on the lower portion, and the upper coil is used for increasing the permanent magnetic flux onthe upper portion; and in the releasing process, the upper coil is used for counteracting the permanent magnetic flux on the upper portion, and the lower coil is used for increasing the permanent magnetic flux on the lower portion. By adoption of the double-coil bistable-state electromagnetic mechanism provided with the armature with the sealing conical surface, the defects of short stroke, monostable retention, high power consumption and the like of traditional electromagnetic valve control are overcome; and the double-coil bistable-state electromagnetic mechanism provided with the armaturewith the sealing conical surface has the advantages of small size, large output force and retention force, bistability, permanent-magnetic loop retention, energy saving and the like.

The invention discloses a magnetic latching direct current contactor which comprises a shell and contact and electromagnetic units. Each contact and electromagnetic unit comprises a contact system and an electromagnetic system; a static contact system in each contact system comprises two static contact components relatively arranged in an upper and lower mode; each movable contact system comprises a movable iron core and a movable contact component integrally connected with the movable iron core, each movable contact component is located between the two corresponding static contact components, and as each movable iron core moves back and forth, movable contacts on the corresponding movable contact component are connected with static contacts on the corresponding upper static contact component or static contacts on the corresponding lower static contact component; each electromagnetic system comprises static iron cores symmetrically arranged at the upper end and the lower end of the corresponding movable iron core, the outside of each static iron core is provided with a coil, a permanent magnet attracting the corresponding movable contact component is arranged in each coil, and polarities of the permanent magnets in each upper coil and the corresponding lower coil are opposite; the coils in the contact and electromagnetic units are connected in parallel. The magnetic latching direct current contactor is reasonable in structure, the normally closed state and the normally open state are latched only through the permanent magnets, state latching force is large, instant contact bounce time is short, and as contact travels are decreased, pressure is increased.