39results about How to "Suitable for productivity" patented technology

The utility model relates to a kind of spring hinge assemblies for glasses legs, including pile head, pile head positioning sheet, spring box and spring core mechanism, the pile head slot that is penetrated out of its one end is set on the pile head, the glasses leg folding passageway that is penetrated out of the inside of pile head is further included on the pile head slot, the pile head positioning sheet is fixed on the pile head and includes the connecting ring extending into the pile head slot, the spring core mechanism is set in spring box, the spring core mechanism includes connecting sheet, the connecting sheet is penetrated out of spring box and is set with connecting hole, the connecting sheet is cooperatively set in the pile head slot and is buckled with connecting ring by connecting hole, the hinge assembly not only can realize the conventional opening and closing action of glasses leg, but also can produce certain up-down swing buffer when being subjected to vertical direction external force, to effectively prevent the bending or fracture of glasses leg due to excessive stress.

The application provides a kind of mitochondrial function optimization additive for cell culture, preparation method and application, belong to cell culture technical field.The additive includes core active ingredient, auxiliary component and carrier, and the core active ingredient includes D-Arg-Cha-Lys-Phe-NH2 Polypeptide, ubiquinone-10 phosphate, reduced glutathione and alpha-lipoic acid.The application forms a multi-target core active system through the synergy of the four, realizes the triple synergistic protection of stabilizing mitochondrial cardiolipin, maintaining mitochondrial morphology and membrane potential, and reducing mitochondrial ROS, which can significantly improve cell culture quality.When applied, the mitochondrial cardiolipin content can be increased by more than 50%, the mitochondrial abnormality ratio can be reduced to less than 12%, the membrane potential positive cell ratio can be increased to more than 86%, the mitochondrial ROS level can be reduced by more than 40%, and the cell proliferation rate can be increased by more than 25%, which is suitable for in vitro culture of various eukaryotic cells, and the preparation process is simple and has no cytotoxicity.

The utility model discloses a fresh ginger exosome extraction system which comprises a fresh ginger tissue pretreatment device, a gingerol pretreatment device, a first filtering device, a second filtering device, a third filtering device and a waste liquid tank, the filtrate end of the first filtering device is connected to the gingerol pretreatment device, and the output end of the gingerol pretreatment device is connected to the second filtering device; the filtrate end of the second filtering device is connected into the third filtering device; a concentrated solution collecting device is arranged at the filtrate end of the third filtering device; through cooperation of all the devices, ordered treatment of the fresh ginger exosome is achieved, operation such as extraction, filtration and detection of the fresh ginger exosome can be effectively carried out, a stable treatment system is provided for related research and application of the fresh ginger exosome, and the structural design is reasonable.

According to the microbial agent, the preparation method thereof and the bio-fertilizer prepared from the microbial agent, the microbial agent is produced through the processes of fermentation, centrifugation, dissolving and mixing, spray drying and the like, the loss of viable bacteria in the process from fermentation completion to dry powder preparation is reduced, and the yield of the microbial agent is improved. The performance of the microbial agent is improved. According to the bio-fertilizer, the microbial agent is used as a core raw material, humic acid, seaweed extract and biochar are used as auxiliary materials, the biocontrol and growth promoting functions of the microbial agent and the soil improvement and growth promoting functions of the base material can be mutually enhanced, the environment which is not beneficial to crop growth such as salt and alkali can be effectively resisted, and the yield of crops is increased.

The invention belongs to the technical field of cytobiology and immune cell therapy, and particularly relates to a gamma delta T cell serum-free additive culture medium composition with definite components and application and a product thereof. The serum-additive-free culture medium composition comprises a serum-additive-free culture medium A, a serum-free culture addition reagent B, a serum-additive-free culture medium C, a serum-additive-free culture medium D and a serum-additive-free culture medium E, the main components comprise ethanolamine, sodium selenite, recombinant human albumin, IL-15 and IL-2. According to the gamma delta T cell serum-free additive culture medium composition provided by the invention, the components are clear, the serum-free culture additives without animal-derived components can avoid potential safety hazards caused by the animal-derived components, the amplification efficiency is improved, the cell high activity is maintained, the GMP standard is met, and the gamma delta T cell serum-free additive culture medium composition is suitable for large-scale production and clinical transformation.

This invention belongs to the field of traditional Chinese medicine external preparation technology, specifically providing a traditional Chinese medicine ointment for treating chronic osteomyelitis, bone tuberculosis, and persistent sinus tracts, as well as its preparation method. The traditional Chinese medicine ointment provided by this invention comprises 3-10 parts of *Achyranthes bidentata*, 5-15 parts of dried ginger, 0.3-1 part of red mercury sulfate, 20-50 parts of calcined gypsum, 4-12 parts of gecko, 5-15 parts of buffalo hide, and 40-100 parts of medicinal ointment base. This invention selects *Achyranthes bidentata*, red mercury sulfate, calcined gypsum, gecko, dried ginger, and buffalo hide as the main ingredients, achieving a combination of warming and cooling properties, and a tonifying and purging effect. It can effectively clear deep pus, necrotic tissue, and dead bone, while also warming and unblocking meridians, improving local blood circulation, promoting wound healing, and reducing the irritation of the medication.

The invention belongs to the technical field of all-solid-state electrolyte materials, and discloses an all-solid-state electrolyte membrane with a three-layer structure, a sulfide intermediate electrolyte layer is prepared through slurry wet coating, and ultrathin elastic electrolyte layers are formed on the two sides of the sulfide intermediate electrolyte layer through spraying or spin coating, so that the preparation of the all-solid-state electrolyte membrane is realized; the all-solid-state electrolyte membrane has the composite structure characteristics of high ionic conductivity of a sulfide solid electrolyte and high flexibility of an ultrathin elastic electrolyte layer, has excellent interface adaptability and room-temperature ionic conductivity, and can remarkably reduce interface impedance and inhibit a space charge layer effect; and the all-solid-state battery is endowed with higher cycling stability and rate capability, and has important power battery and energy storage industrialization application value.

The application provides a bio-based material with antibacterial effect, which comprises a polymer represented by formula (1) or a mixture of the polymer represented by formula (1) and polyethylene glycol as an antibacterial active ingredient. The application also provides use of the bio-based material. The bio-based material with antibacterial effect provided by the application has excellent and stable antibacterial activity, has significant antibacterial effect on various bacteria and fungi, and has excellent biodegradability, biocompatibility and other performances, is a bio-based product prepared through microbial fermentation, is high in safety, and is suitable for industrial production and large-scale use.

This invention relates to a composite resin material for 3D printing and its preparation method. By weight, the raw material composition includes: 60-90 parts polylactic acid, 5-15 parts toughening agent, 5-15 parts flame retardant, 5-10 parts modified carbon nanotubes, 0.3-1 parts anti-hydrolysis agent, and 0.3-0.5 parts lubricant. This invention adds a flame retardant by introducing a phosphate ester structure, a benzene ring, and a hindered phenolic structure into 5,5'-dibromo-[2,2'-bipyridine]-3,3'-diamine. Through the multiple synergistic effects of hindered phenol-phosphorus heterocycle-bipyridine, highly efficient flame retardancy and enhanced anti-aging properties of the composite resin material are achieved. This invention adds modified carbon nanotubes as a reinforcing agent, significantly improving the mechanical properties of the composite resin material and imparting antibacterial properties.

The utility model discloses a urine collecting device which comprises a urine collector, a flow guide pipe, a urine bag and a fixing device. A urine outlet end is arranged on the lower portion of the urine receiving device, the flow guide pipe is inserted into the urine outlet end, the urine outlet end is inserted into the urine bag, and the urine bag and the urine outlet end of the urine receiving device are fixed through the fixing device. The urine collecting device further comprises a connecting piece which is used for fixing the urine collector on a corresponding part of a horse. The urine bag is arranged to replace a traditional urine storage device, the urine receiving device is directly connected with the urine bag, the flow guide pipe is arranged in the urine receiving device, an outlet of the urine bag is guided to the back of a horse body, urine can be guided into the urine bag with a large space through the flow guide pipe in time, effective collection of horse urine in an intensive horse farm is achieved, meanwhile, the weight of the horse is reduced, and the horse urine collection efficiency is improved. And personnel safety is ensured.

The invention discloses a method for preparing a sea cucumber extract by using a microwave-assisted technology, which comprises the following steps: S1, preparing a sea cucumber sample: preparing a fresh or dry sea cucumber sample into proper particles or powder; s2, preparing an extracting solution: selecting a proper extracting solvent according to the extraction purpose and requirement to prepare the extracting solution; s3, microwave-assisted extraction: mixing the sea cucumber sample with the extracting solution, putting the mixture into a microwave-assisted extraction device, and heating the mixture of the sea cucumber sample and the extracting solution by utilizing microwave radiation; and S4, microwave treatment parameter control: adjusting the time, temperature, power and other parameters of microwave treatment. The sea cucumber extract is prepared by using a microwave-assisted technology, sea cucumbers are heated through microwave energy, release and extraction of active ingredients of the sea cucumbers are promoted, the action efficiency between the sea cucumbers and the extracting solution is greatly improved, and the method is simple and convenient to operate and has the advantages of improving the sea cucumber extraction efficiency, shortening the extraction time and the like; the method is suitable for large-scale production and industrial production.

The application discloses a preparation method of a 3D-printed biomimetic self-suspending solar evaporator. The application takes acrylonitrile-butadiene-styrene copolymer (ABS) and thermoplastic polyurethane elastomer (TPU) as raw materials, and prepares ABS-TPU wires through a double-screw extruder and a single-screw extruder. Photothermal materials, carbon black (CB) or carbon nanotube (CNT), can be added to the ABS-TPU wires through blending. A multi-channel biomimetic self-suspending ACy and ACy / CB (CNT) solar evaporator is constructed by using a 3D printing technology. General immersion treatment is combined with spraying technology to coat and load polydopamine (PDA) and a photocatalyst on the 3D-printed biomimetic self-suspending solar evaporator, thereby obtaining a biomimetic self-suspending solar evaporator (ACy / PDA / photocatalyst or ACy / CB (CNT) / PDA / photocatalyst) solar evaporator which is excellent in hydrophilic performance, photothermal conversion performance and photocatalytic performance, and which can realize water purification while evaporating water.

The invention discloses a metal plate strip foil surface defect online visual detection method. The method comprises the following steps: acquiring a metal surface defect image through multi-angle imaging and bright and dark field composite illumination; performing background adaptive preprocessing and feature enhancement on the defect image; a multi-scale convolution structure is adopted to extract global features, and spatial features are reconstructed through feature fusion and lightweight processing; triggering region-of-interest extraction based on defect saliency judgment, and performing loop feature enhancement on a local region; the defects are classified and graded by using a lightweight convolutional neural network, and the model is dynamically updated through online learning and a parameter adaptive optimization mechanism. The method is suitable for online detection of the surface defects of the metal plate strip foil in high-speed operation, the detection rate and classification accuracy of the surface defects of the tiny and low-contrast metal plate strip foil are remarkably improved while the real-time performance is guaranteed, and the detection precision of the surface defects of the metal plate strip foil is improved; and real-time feedback and quality tracing of the surface defect detection result of the metal plate strip foil are realized.

The method for manufacturing a diamond-like carbon film according to the present invention includes: preparing a diamond-like carbon film using physical vapor deposition; injecting nitrogen and / or oxygen gas into the surface of the diamond-like carbon film under negative pressure to form oxides and / or nitrous oxides; and treating the diamond-like carbon film in a water vapor environment. This method is simple and efficient, effectively improving the surface hydrophilicity of the diamond-like carbon film, enhancing its interaction with lubricating liquids or materials, thereby improving lubrication performance, reducing frictional loss, and extending the service life of mechanical components. In the biomedical field, it can reduce bioattachment and cell adsorption, reducing the risk of infection and benefiting the application and biocompatibility of biomedical devices.

The utility model discloses a kind of mechanical parts cutting device, it is related to cutting device technical field, including positioning frame, cutting assembly, fixed clamping assembly and moving clamping assembly, the fixed clamping assembly is used to keep the fixed state in the cutting process of mechanical parts, the moving clamping assembly is used to mobilize mechanical parts to move and adjust its cutting length, the length positioning frame of one side of the moving clamping assembly is slidably connected on the upper surface of the positioning frame, and the length positioning frame is fixedly connected with infrared sensor on one side. The utility model is through moving clamping assembly and fixed clamping assembly by upper clamping arc plate and lower clamping arc plate cooperation, and for different cross-sectional shape (rectangular can utilize right-angle positioning groove accurate positioning, round can be directly clamped) mechanical parts can be firmly clamped, effectively ensure the stability of part in cutting process, improve cutting precision.

This invention relates to the field of antibody technology, specifically to the preparation and application of recombinant anti-human CDK4 antibodies. The CDK4 recombinant antibody provided by this invention is prepared by constructing a human CDK4 antibody expression vector and using a CHO expression system. Simultaneously, the specificity of the antibody is verified by Western blotting and immunohistochemistry, demonstrating that the recombinant antibody provided by this invention has high specificity, stable properties, meets the requirements of experimental reproducibility, and is suitable for industrial production and application.

The present application relates to polyester recycling, and provides a method for improving the yield and purity of regenerated BHET. After glycolysis of waste polyester in the presence of a metal catalyst, most of the free glycol is removed by evaporation under reduced pressure. A chelating agent composed of a polycarboxylic acid chelating agent and an organic phosphonic acid compound is added to the glycolysis solution, and a fixed bed circulation contact of a solid-supported chelating agent with polycarboxylic acid groups supported on a porous carrier is used to remove metal ions. Subsequently, the glycol is further removed by thin film evaporation to obtain a BHET-rich glycolysis solution. Finally, the distillate is collected in a short path distiller according to the set switching conditions of BHET content and acid value to obtain a high-purity BHET product. This method can inhibit re-polymerization and thermal degradation, reduce metal residues and oligomer content, and improve the yield and purity of BHET.

The invention relates to a preparation method and application of 5-bromo-2-chloro-4 '-ethyoxyl diphenylmethane, (5-bromo-2-chlorphenyl) (4-ethyoxyl phenyl) ketone is subjected to a reduction reaction to obtain 5-bromo-2-chloro-4'-ethyoxyl diphenylmethane, and the route is high in reaction rate and few in by-product. In addition, the organic ether solvent is lower in toxicity, low in boiling point and easy to remove. The used reagent (tetramethyldisiloxane as a reducing agent) is low in price and good in reaction activity, so that the reaction time is short. The reaction conditions are mild, high-temperature and high-pressure conditions are not needed, the reaction operation and post-treatment are simple and convenient, only conventional operations such as liquid separation concentration and crystallization are needed, and less wastewater is generated in the reaction; reagents with low safety such as a reducing agent sodium borohydride and the like are not used in the reaction, the safety of the whole reaction is high, the yield of the reaction route is high, and therefore the method is suitable for large-scale and industrial production.

This invention provides a two-dimensional triangular lattice rare-earth-based titanate polycrystalline material, its preparation method, and its applications. The chemical formula of the rare-earth-based titanate polycrystalline material is Ba6M2Ti4O. 17 The space group is P63 / mmc, where M is one or more of Nd, Gd, and Yb. The novel two-dimensional triangular lattice rare-earth-based titanate polycrystalline material provided by this invention has a compact structure, a simple preparation process, and its frustrated structure of localized electron spins significantly reduces the minimum cooling temperature to the tens of millikons. Furthermore, it exhibits high magnetic ion density and large cooling capacity, making it an excellent magnetic refrigerant.

The application discloses a precision blade coaxial stringing system and method based on machine vision compensation, and belongs to the technical field of precision part assembly. The system comprises a mechanical arm, a clamping mechanism, a positioning and clamping mechanism, a material receiving and processing assembly, a blade rod feeding assembly, a cushion bead feeding assembly, a blade feeding assembly, a feeding side vision sensing unit, an assembly side vision sensing unit and a control unit. The feeding side vision sensing unit acquires the material taking position, the center hole position of the cushion bead or the blade and the area to be clamped. The assembly side vision sensing unit collects the top end and rod body image of the clamped blade rod. The control unit determines the actual axis direction and the top end space coordinates of the blade rod, generates a pre-alignment pose and a stringing track, and makes the cushion bead or the blade sequentially enter the blade rod along the actual axis of the blade rod. The application can compensate for the clamping posture deviation of the blade rod, reduce the risk of interference, jamming and blade edge injury, and improve the coaxiality, consistency and automation level of assembly.

The invention discloses a binder-free transition metal sulfide composite nitrogen-doped graphene negative electrode material and a preparation method thereof, and belongs to the technical field of secondary battery negative electrode materials. According to the technical scheme, the preparation method comprises the following steps: 1) dissolving zinc nitrate, cobalt nitrate and nitrogen-doped graphene in a mixed solution of ethanol and water, uniformly mixing, adding ammonium fluoride and urea, and continuously stirring; 2) adding foamed nickel and the uniformly mixed solution into a high-pressure reaction kettle for hydrothermal treatment, cooling, washing and drying to obtain a Zn-Co-precursor; (3) calcining the Zn-Co-precursor in an inert atmosphere, and (4) adding the Zn-Co-precursor into a high-pressure reaction kettle containing a sulfur source for hydrothermal vulcanization treatment, washing and drying to obtain the ZnCo2S4-coated NGr / NF negative electrode material.The graphene negative electrode material can improve the overall performance and stability of a secondary battery.

The utility model relates to the technical field of aluminum alloy production, in particular to a waste water treatment device of a grinding machine for preparing an aluminum alloy high-power sample, and aims to solve the problems that when the waste water of the grinding machine is treated in the preparation of the aluminum alloy high-power sample at present, the treatment effect is generally poor and the economical efficiency is poorer. And the overall efficiency of sample preparation is low. The device mainly comprises a settling tank, a settling table arranged in the settling tank, and a water storage tank which is arranged on the outer side of the settling tank and is divided into a left tank body and a right tank body, when the aluminum alloy high-power sample grinding wastewater is treated, the wastewater enters the settling tank through a settling tank water inlet pipe and is settled by the settling table, so that the wastewater is subjected to effective solid-liquid separation, and then is filtered by a filter screen; the filtered wastewater enters the left water storage tank body and the right water storage tank body for precipitation and filtration, so that particle impurity filtration of the wastewater is further realized, finally, clarified filtered water is popped out through a circulating pump for reuse, the whole wastewater treatment process is rapid and efficient, and the overall economical efficiency of the sample grinding process is improved.

The invention discloses a quick detection tool and a detection method for key hole sites of a front shell, and belongs to the technical field of production and manufacturing of front shells of transmissions of M-series models. The measuring tool body is provided with a weight reducing groove and a through hole, the handle is fixed on two sides of the measuring tool body, the first positioning pin seat, the second positioning pin seat and the pin sleeve are fixed in the through hole through bolts, the positioning pin is detachably connected with the first positioning pin seat, the positioning pin is a rhombic pin and detachably connected with the second positioning pin seat, and the measuring rod penetrates through the pin sleeve in a sliding mode. The detection method comprises the steps of workpiece preparation, detection tool positioning, fitting degree verification, hole site detection and detection post-processing, and the hole site position degree is visually judged through the penetration smoothness of the measuring bar. The device is high in detection precision, stable and reliable in result, easy and convenient to operate, convenient to maintain, simple in structure, low in manufacturing cost, capable of effectively meeting the requirement for online rapid detection of the position degree of the key pin hole of the transmission front shell, high in practicability and suitable for application and popularization.

This invention provides a biomass remnant char material for reducing tar in tobacco, its preparation method, and its application. The preparation method includes the following steps: mixing a biomass precursor with a chemical reagent solution, drying it, and then micro-expanding it, followed by activation, and then impregnating it with a metal ion solution to obtain the biomass remnant char material for reducing tar in tobacco. The preparation method provided by this invention utilizes the advantages of the multi-scale remnant structure of natural biomass, employing component degradation and microwave expansion to reshape its internal nano-microstructure. Through a physical activation process, well-developed hierarchical channels are constructed, achieving efficient anchoring of metal heteroatoms, enhancing the diffusion and adsorption behavior of tar particles in the remnant char material, and achieving a match between the transport and adsorption processes, thereby effectively improving the tar reduction performance of the product.

The utility model belongs to ironmaking sintering technical field, concretely relates to a steam heating device of improving material temperature, including mixed stock bin, be equipped with steam pipe support beam in the mixed stock bin, be equipped with heating device on the mixed stock bin, this steam heating device of improving material temperature, make steam from the mixed bin center position by inner to outer heat dissipation, cooperate the steam pipe no. 1 on the bin wall by outer to inner heat dissipation, form bidirectional heating mode. This design greatly improves the steam temperature utilization rate, compared with the traditional heating mode, can effectively reduce the steam consumption, thereby reduce energy consumption, save production cost for enterprise, simultaneously in the steam heating process, motor drive rotating shaft rotation, make the stirring rod do circular motion in the mixed stock bin, carry out sustainedly to mix material, not only speed up the heat transfer rate, still ensure that each part of mix material can fully contact with steam, heat more evenly.

The utility model discloses an on-line automatic residual magnetism detection mechanism, which relates to the technical field of residual magnetism detection mechanisms and comprises a mounting plate, the top end of the mounting plate is fixedly connected with a rack, the top end of the rack is fixedly connected with a guide rail, the top of the guide rail is slidably connected with a sliding block, and the top end of the sliding block is fixedly connected with a mounting frame. One side of the guide rail is fixedly connected with a translation air cylinder, and the output end of the translation air cylinder is fixedly connected with the sliding block. According to the utility model, through cooperative work of the gauss meter and the demagnetization device, the counting scheme avoids many defects of traditional manual demagnetization, such as low measurement precision, low efficiency, great environmental influence, poor repeatability and the like; the demagnetization effect is optimized through the extension rod, especially on a workpiece with a small L / D value, the demagnetization effect is remarkably improved, the influence of a demagnetization field is reduced, the automatic detection mode not only improves the detection efficiency and precision, but also enhances the objectivity and reliability of detection, and the device is suitable for large-scale production and high-precision detection requirements.

The application provides a recombinant genetically engineered bacterium of L-arabinose isomerase and an application thereof, and belongs to the technical field of bioengineering. L-arabinose isomerase FaAI is screened from a strain Facklamia sp., D-tagatose can be effectively produced by using D-galactose as a substrate, the reaction condition is mild, and the maximum activity can be achieved by using a lower metal ion concentration. Through a whole cell reaction, 400 g / L D-galactose can be catalyzed into D-tagatose, the conversion rate is as high as 38.1%, and the yield is 6.3 g / (L.h). The application of the isomerase in the production of D-tagatose can effectively reduce the cost, improve the production efficiency of D-tagatose, and is beneficial to industrial production and application.

The utility model relates to the technical field of glass, in particular to electric heating automobile glass which comprises a silica gel outer frame, two symmetrically-arranged placing grooves are formed in the inner wall of the silica gel outer frame, the upper surface and the lower surface of the silica gel outer frame are each provided with a set of square grooves, the inner wall of each set of square grooves is provided with a connecting groove, and the connecting grooves are connected with the silica gel outer frame. The upper surface and the lower surface of the silica gel outer frame are each provided with a set of strip-shaped groove, the graphene coating is coated on the surface of the glass inner layer, an electric connection structure of the flexible circuit board and the metal electrodes is combined, and the efficient and uniform electric heating function can be achieved. The graphene coating has excellent electric conduction and heat conduction performance, and can quickly generate heat after being electrified and uniformly conduct the heat to the first glass outer layer and the second glass outer layer to form a synergistic heating effect of the three layers of glass. According to the design, fog, accumulated snow or frost on the glass surface can be quickly eliminated, the sight definition of a driver is improved, and the driving safety performance is remarkably improved.

The application discloses an environment-friendly eutectic solvent anti-friction and anti-wear additive and a preparation method and application thereof, and belongs to the field of lubricating additives.The application uses cetyltrimethylammonium chloride / cetyltrimethylammonium bromide and natural plant source thymol as raw materials, mixes them in a molar ratio of 1:1 to 1:3, stirs them at a constant temperature of 90 DEG C for 2 hours, and thus a sulfur-free and phosphorus-free transparent stable eutectic solvent is prepared without an organic solvent and a catalyst; the solvent is used as an anti-friction and anti-wear additive, is added into lithium-based lubricating grease in an addition amount of 0.5wt% to 2.0wt%, is uniformly dispersed through three-roll grinding, and thus high-performance modified lubricating grease suitable for severe working conditions is obtained.The raw materials are green and renewable, the preparation process is mild and simple, and the environment compatibility is excellent; a low addition amount can significantly reduce a friction coefficient and wear volume, a dense adsorption film is formed on a metal friction surface, and the application is particularly suitable for long-acting anti-friction and anti-wear lubrication under high-speed and boundary lubrication working conditions such as cotton picker picking spindles.