19results about How to "Improve endurance" patented technology

The application relates to the technical field of machining equipment, in particular to a deep drilling device for elbow curved rods, which comprises an assembling shell, a hydraulic cylinder is embedded at the top end of the assembling shell, a pressing mechanism is connected to the power output end of the hydraulic cylinder, and a sliding groove is arranged on the abutting surface of the assembling shell and the pressing mechanism. The winding equipment body winds and unwinds the cable, so that the electromagnet connected with the connector through the thread is penetrated into the rod piece. When the hydraulic rod drives the inclined block to press and bend the rod piece, the bearing capacity is improved through the support of the electromagnet, so that the excessive pressing and bending of the rod piece is avoided, the deformation of the rod piece is avoided, the product quality is affected, the electromagnet is connected with the connector through the thread, the electromagnet is convenient to disassemble and assemble, the electromagnet with the diameter size suitable for the rod piece is replaced, the applicability is improved, the rod piece is conveniently attracted after the electromagnet is electrified through the cable, the sliding condition is avoided, the pressing and bending quality is affected, when the electromagnet is not worked, the connector is tightened in the connecting hole through the winding equipment body, and the rod piece is conveniently placed and corresponds to the electromagnet.

The utility model discloses a U-shaped pipe with an anti-deformation function, and belongs to the technical field of U-shaped pipe positioning. The protective device comprises a U-shaped pipe, a protective rack and a pipeline stabilizing mechanism, the pipeline stabilizing mechanism is arranged at the bottom of the U-shaped pipe, the protective rack comprises a vertical plate, the top and the bottom of the vertical plate are connected with a transverse plate, wrapping sleeves are arranged on the two sides of the transverse plate, a connecting mechanism comprises first connecting plates, and the first connecting plates are fixedly connected to the two sides of the front face and the back face of the transverse plate. By arranging the connecting mechanism, the transverse plate and the wrapping sleeve are connected, the U-shaped pipe is fixed through the transverse plate and the wrapping sleeve, the fixing shell can be fixed through the fixing mechanism, the U-shaped pipe is positioned through the fixing shell, the phenomenon that the U-shaped pipe shakes is prevented, the bearing capacity of the U-shaped pipe can be increased when an operator uses the U-shaped pipe for a long time, and the U-shaped pipe is prevented from shaking. The phenomenon that the U-shaped pipe deforms due to the influence of various forces is avoided, and deformation of the U-shaped pipe can be prevented.

The invention relates to application of sulfated glycogen synthase kinase-3 in prevention and treatment of liver insulin resistance. Specifically, the invention provides an application of a hyposulfated GSK-3beta inhibitor in preparation of a medicine, and the medicine is used for preventing or treating insulin resistance; the invention further discloses application of the GSK-3beta knockout reagent in preparation of a medicine. The medicine is used for preventing or treating insulin resistance.

The invention discloses a soothing gel composition and a preparation method thereof, and belongs to the technical field of gel. The soothing gel composition comprises the following components based on the total mass of the soothing gel composition: 8.5000% of a humectant; 5.9000% of a skin conditioning agent; 2.0000% of a surface active agent; 0.5300% of a thickening agent; 0.2000% of an astringent; 0.0800% of a preservative; 0.0500% of a repairing agent; 0.0003% of a coloring agent; 0.1130% of a soothing factor; 82.6267% of a solvent; the soothing factor is prepared from an abelmoschus esculentus flower extract, aloe barbadensis leaf juice, a scenedesmus sibiricus extract, a kalimeris crassifolia extract and sclerotium gum; the soothing effect of the soothing gel composition is improved through the synergistic interaction effect of the mallow flower extract, the aloe barbadensis leaf juice, the scenedesmus western extract, the kalimeris crassifolia extract and the sclerotium rolfsii gum.

The application relates to a tensioning device for a building block screw rod and a tensioning method thereof, and the tensioning device comprises a stretching piece, a pressing piece, an extension piece and a driving piece; the stretching piece is used for being connected with a locking piece of the building block screw rod; the pressing piece is used for being connected with a threaded element of the building block screw rod; one end of the extension piece is connected with the stretching piece, and the other end of the extension piece is connected with the pressing piece; the driving piece is connected with the extension piece and is used for driving the extension piece to perform extension and retraction movements. Compared with the prior art, the stretching piece and the pressing piece only transmit axial force to the shaft core and the threaded element, the transmission efficiency of the tensioning force is high, compared with a radial tightening mode of a traditional torque wrench, no radial load is borne between the shaft core and the threaded element, and problems such as increase of a friction coefficient caused by torsional deformation of the threaded element and the shaft core spline are avoided.

This utility model discloses a building fire simulation training device, including an upper simulation area and a lower simulation area, both constructed using shipping containers. The lower simulation area includes a furniture fire simulation training room, a kitchen fire simulation training room, an electrical fire simulation training room, and an oil fire simulation training room. The outer wall of the oil fire simulation training room has a gas storage chamber, and a gas delivery pipeline is installed on the gas storage chamber, one end of which is connected to the gas storage chamber. The gas delivery pipeline surrounds the outer wall of the lower simulation area. A bed fire model is installed in the furniture fire simulation training room directly opposite the igniter; a kitchen fire model is installed in the kitchen fire simulation training room directly opposite the igniter; and an electrical fire model is installed in the electrical fire simulation training room directly opposite the igniter. This utility model provides a variety of training scenarios and good training results, with the upper simulation area used for comprehensive fire simulation training and the lower simulation area used for real fire simulation training.

The application discloses a kind of compound microbial inoculant for aquaculture and preparation process, belong to the technical field of microbial culture, including three strains are respectively carried out high-density fermentation culture, obtain high-density fermentation broth, the fermentation broth of bacillus subtilis and paracoccus denitrificans is mixed, and diatomite is added to carry out core adsorption, obtain core adsorbate, introduce lactobacillus fermenting liquid and sodium alginate solution and core adsorbate are mixed embedding, by calcium chloride hardening liquid and chitosan solution are carried out secondary crosslinking forming, and the core-shell structure wet microspheres are prepared, after wet microspheres and composite freeze-drying protective agent are mixed, two-stage vacuum freeze-drying is carried out, and the compound microbial inoculant is obtained, the compound microbial inoculant is put into aquaculture water group, and the purification effect is verified, the present application is realized by microencapsulation structure and two-stage freeze-drying process, realizes the layered three-dimensional purification and long-acting slow release of inoculant, solves the problem that inoculant is easily inactivated at room temperature, and improves the survival rate of aquaculture.

The utility model discloses a multi-layer spring low-frequency tuned mass damper, which comprises a structural frame, and a mass block guide component and a spring guide component are arranged on the structural frame; the stiffness system comprises at least one group of multi-layer springs, each group of multi-layer springs comprises at least two layers of springs which are connected in series up and down, and a spring limiting part is arranged between every two adjacent layers of springs; the mass block is mounted on the mounting plate; wherein the multiple layers of springs are supported below the mounting plate, the spring limiting component is in up-and-down sliding fit along the spring guide component, and the mounting plate is in up-and-down sliding fit along the mass block guide component. The damping effect is good and the overall size is small.

The present invention provides a surface-treated steel sheet having good corrosion resistance, in which the damage resistance, particularly the resistance to surface contact damage caused by contact between one surface and another surface, is further improved, the surface-treated steel sheet comprising: a plated layer on both surfaces of a steel sheet; a first colored coating film layer; and a second colored coating film layer, the ratio of the film thickness of the second colored coating film layer to the film thickness of the first colored coating film layer being 0.1 or more and 0.5 or less, the first colored coating film layer and the second colored coating film layer containing resin particles, the proportion of the number of the resin particles having a thickness of the film thickness of the first colored coating film layer or more being 1% or more and 30% or less, and the proportion of the number of the resin particles having a thickness of the film thickness of the second colored coating film layer or more being 50% or more and 100% or less.

The application discloses an aqueous secondary dispersion containing a copolymer P, which is synthesized from the following components: 1) a hydroxyl-containing hydrophobic polymer containing the following components as structural unit monomers: A1 hydroxyl-containing monomer, B1 acrylic ester monomer and / or vinylic monomer, and 2) a hydroxyl-containing hydrophilic polymer containing the following components as structural unit monomers: A2 hydroxyl-containing monomer, B2 acrylic ester monomer and / or vinylic monomer with a Tg of a homopolymer greater than 80 DEG C, C acrylic ester monomer with a Tg of a homopolymer below 80 DEG C, and D carboxyl-containing monomer. The dispersion has a high bubble-free film thickness, and other properties such as hardness and resistance are not obviously lost; meanwhile, the dispersion has good weather resistance and can tolerate low-humidity, especially high-temperature low-humidity construction environment. The application further discloses a preparation method and application of the dispersion.

The present application relates to the application of Paffia dura and its actin in removing cadmium in the environment; and a method for removing cadmium in the environment, comprising the following steps: exposing Paffia dura or microorganisms overexpressing actin from Paffia dura to an environment containing cadmium for incubation; removing Paffia dura from the environment. The present application finds that Paffia dura has high tolerance to cadmium stress and excellent cadmium enrichment capacity, and further finds that the main substance in Paffia dura cells combined with cadmium is actin. Therefore, Paffia dura and microorganisms overexpressing the actin can be used to treat cadmium-polluted environments to remove cadmium pollution. In addition, we also unexpectedly find that cadmium stress can up-regulate the expression of actin in Paffia dura, which is a new way to up-regulate the expression of housekeeping genes.

The application discloses a foundation pit slope protection and reinforcement device for civil engineering, which comprises at least one slope protection plate, at least one fixed plate, at least one movable plate, two reverse pushing mechanisms, at least one one-way mechanism, an X-shaped connecting rod frame, at least one connecting rod, a first long rod, four butt joints, a second long rod and at least one sliding block. The reverse pushing mechanism, the fixed plate and the movable plate are arranged to effectively support the collapse point in time from the initial small-range collapse according to the characteristics of the foundation pit collapse, the timely support of the collapse point can effectively prevent the collapse of the whole surface of the foundation pit, and the large number of casualties and property losses can be avoided. Furthermore, the first long rod, the second long rod and all the connecting rods are arranged to link all the one-way mechanisms to extend and preventively support the whole pit wall, maintain the shape of the foundation pit, disperse the support force of the single reverse pushing mechanism or the one-way mechanism and increase the overall bearing capacity of the pit wall.

The application belongs to the technical field of peptide preparation, and relates to a hippocampus polypeptide and application thereof. The amino acid sequence of the hippocampus polypeptide is shown in the sequence table SEQ ID NO. 1. The hippocampus polypeptide provided in the application has excellent hypoxia tolerance activity, and by using the characteristic, the hippocampus polypeptide can be added as an active ingredient into food, beverage or dietary supplement to prepare functional food or health products for daily use by specific groups of people to enhance the tolerance to hypoxic environment.

This invention discloses a welding method and apparatus for repairing hot-rolled mandrels of seamless steel pipes. The apparatus includes a machine base, a control box fixedly connected to the top of the machine base, and a clamping seat rotatably connected to the outer surface of the control box. It also includes an auxiliary component fixedly connected to the top of the control box; a screw rotatably connected to the top of the machine base, a displacement seat rotatably connected to the outer surface of the screw, an installation component rotatably connected to the top of the displacement seat, and a welder fixedly connected to the outer surface of the installation component. This invention relates to the field of welding equipment technology. The welding method and apparatus for repairing hot-rolled mandrels of seamless steel pipes adjust the welding position as the displacement seat moves, facilitating adjustment of the welding position during mandrel welding and preventing omissions during the welding process. Three welders are installed on the installation component to ensure stable welding of the mandrel when three welders are used.

The invention relates to the technical field of biological medicine and gene therapy, in particular to a nucleic acid delivery system for targeting pancreatic beta cells and application of the nucleic acid delivery system. The composition comprises a nano-composite formed by a cationic polymer modified by a targeting ligand and siRNA (small interfering Ribonucleic Acid), the targeting ligand is a GLP-1 receptor targeting peptide; the cationic polymer is a PEI-PFA polymer; and the siRNA is the siRNA of the target DYRK1A (DYRK1A). The invention provides a brand-new pancreatic beta cell targeted delivery platform for gene therapy of type 2 diabetes mellitus. The platform realizes beta cell function regeneration by accurately regulating and controlling DYRK1A gene expression, has targeting property, safety and high efficiency, and provides a new strategy with wide clinical application prospect for diabetes treatment.

The present application relates to the field of concrete admixtures, in particular to a high-adaptability polycarboxylate superplasticizer and a preparation method thereof.The high-adaptability polycarboxylate superplasticizer and the preparation method thereof have the following advantages: by adding a functional monomer and a crosslinking agent in a raw material formula, the functional monomer with a rigid benzene ring and intramolecular hydrogen bonds is introduced into the molecular structure of the polycarboxylate superplasticizer, so that the molecular rigidity is improved; further, the polycarboxylate superplasticizer has a crosslinked molecular structure by the action of the crosslinking agent, so that the molecular rigidity of the polycarboxylate superplasticizer is simultaneously strengthened in the intramolecular structure and the intermolecular structure; when the polycarboxylate superplasticizer is applied to a concrete mixture, the adaptability to cement is significantly improved, and the polycarboxylate superplasticizer has the effects of low dosage, high water-reducing rate, small slump loss, good sulfate resistance and the like.

This invention discloses the application of the rice low-temperature tolerance-related bZIP transcription factor OsbZIP65 in cultivating stress-tolerant plants, belonging to the field of bio-agricultural technology. This invention relates to a newly identified bZIP transcription factor in rice. OsbZIP65 Low-temperature resistance. Transgenic experiments have shown that... OsbZIP65 Overexpression lines significantly improved the low-temperature tolerance of rice, while knockout lines showed increased sensitivity to low temperatures. These studies indicate that... OsbZIP65 It plays a crucial role in regulating low-temperature tolerance in rice. This invention reveals through functional analysis... OsbZIP65 The potential of gene application in improving rice's low-temperature tolerance provides technical support for genes and their applications, aiming to provide new theoretical basis for breeding rice varieties with strong stress resistance and wide adaptability, and to contribute to sustainable agricultural development and global food security.

The swing assembly comprises a motor and a first crank in transmission connection with the motor, a connecting shaft is arranged at the other end of the first crank, the connecting shaft and the first crank are arranged in a non-coaxial mode, one end of a push rod is rotatably arranged on the connecting shaft in a sleeving mode, the other end of the push rod is used for being hinged to a swing frame, and the swing assembly further comprises an induction assembly installed on a base. After a stop instruction is received, the motor drives the connecting shaft to rotate to a stop position, so that the induction assembly is triggered, the motor is shut down, and when the connecting shaft is located at the stop position, the push rod and the first crank are collinear, that is, the torque on the first crank in the acting force direction of the push rod is zero. Therefore, when the seat part is in a shutdown state, the impact load generated by sitting of a user cannot act on the motor, so that the service life of the motor is prolonged.

The utility model relates to a bearing retainer, concretely relates to an angular contact ball bearing retainer, which comprises: a circular ring crown retainer body, a plurality of retainer beams are formed from one end direction to the other end direction along the circumference of the retainer body, a retainer pocket is formed between every two adjacent retainer beams, and a pocket opening of the retainer pocket is formed between the end portions of every two adjacent retainer beams; the retainer pocket is an open structure with a notch formed at the pocket opening, and a semi-enclosed form of the retainer is formed through the open pocket opening; the retainer adopts a semi-enclosed PPS retainer, which is convenient to install; the semi-enclosed retainer is light in weight, reduces the rotating resistance of the steel ball, and improves the rotating speed.