28results about How to "Improve quality controllability" patented technology

The invention relates to the technical field of medicines, in particular to an agomelatine pharmaceutical composition as well as a preparation method and application thereof. The agomelatine pharmaceutical composition comprises inner-layer particles, a coating layer and outer-layer auxiliary materials, the inner-layer particles are prepared from the following raw materials: agomelatine, hydroxypropyl methylcellulose, mannitol and colloidal silicon dioxide; the coating layer is obtained by coating a chitosan-sodium carboxymethyl starch suspension on the surfaces of the inner-layer particles; the outer-layer auxiliary material is prepared from the following raw materials: glyceryl behenate, cane sugar, povidone, sodium carboxymethyl starch and magnesium stearate. The agomelatine pharmaceutical composition provided by the invention is stable in dissolution, extremely low in impurity content, controllable in quality and excellent in stability, and can be used for treating depression and related diseases thereof.

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

The utility model relates to a dust catcher functional joint, belong to dust catcher technical field, including pipe lower joint, pipe lower joint on be equipped with with pipe lower joint intercalation limit pipe upper joint, pipe upper joint with pipe lower joint interval be equipped with lock catch spare, adopt lock catch spare and realize pipe upper joint and pipe lower joint between the separation and the assembly, pipe upper joint on be equipped with a plurality of extension pipe upper joint lower end's electric rod, through electric rod realizes pipe lower joint lower end part's circuit intercommunication. Pipe lower joint lower part be equipped with with pipe lower joint intercalation formula connection's transition electric plug, transition electric plug with electric rod circuit intercommunication formula intercalation. Have the characteristics such as high integration, convenient operation, connection reliability is high, safe durable and assembly process good. Solveed the connection stability, the operation convenience and the electric power transmission reliability problem that the dust catcher encountered in use.

The present invention relates to a small unit aluminum plate vertical line curtain wall system, and relates to the technical field of curtain wall installation, including a curtain wall unit and a decorative unit arranged between adjacent curtain wall units; the curtain wall unit includes a column, a beam fixed between adjacent columns, and a glass curtain wall arranged on the column and the beam; the decorative unit includes a horizontal keel, a first vertical keel fixed between the horizontal keels, a second vertical keel respectively fixed at both ends of the horizontal keel, and an aluminum single plate fixed on the first vertical keel and the second vertical keel, and the second keel is connected to the column through a connecting assembly. The present invention has the advantages of high installation efficiency, saving construction period, and strong quality controllability.

The invention discloses a micro-vibration control construction process for a grating vibration isolation foundation, and relates to the technical field of building construction. Comprising the following steps: S1, measuring and positioning: measuring and releasing sideline control piles of each shock insulation pier and a sand-gravel cushion layer; s2, construction of a graded gravel cushion layer; s3, compaction coefficient detection; s4, paying-off is conducted on the bottoms of the shock insulation piers, wherein the sideline control point of each shock insulation pier is measured and paid off; s5, side formwork installation and steel bar binding, wherein the distance between the vibration isolation pier and the equipment walkway foundation is 10 cm, a foam polyethylene plate with the thickness of 10 cm is adopted as the side formwork, and the side formwork and the steel bars are installed, bound and formed together; s6, mass concrete pouring and temperature control, wherein layered pushing type continuous pouring is adopted, and the thickness of each layer does not exceed 50 cm; s7, concrete curing; and S8, buffer seam treatment. The compaction graded gravel cushion layer is arranged as a vibration isolation filtering layer, and the large-scale independent vibration isolation pier body is combined, so that double isolation of earthquake dynamic response and environmental vibration is effectively realized, and stable operation of a precise instrument is ensured.

The present invention relates to the technical field of medical devices, and discloses a skin suture tension controller, including a housing, a ratchet assembly, a knob cover and a pull wire. The housing is hollow with an installation cavity, and the ratchet assembly includes an upper ratchet, a lower ratchet and a pawl. The lower ratchet rotates a rotating shaft sleeved on the bottom of the installation cavity, and the lower ratchet selectively docks with the upper ratchet to engage the transmission; the top of the housing is provided with an installation opening with an inner ratchet portion in the inner ring, and when the pawl is connected to the upper ratchet and engages with the inner ratchet portion, the upper ratchet can only rotate in the tightening direction; a pull wire hole is provided on the side of the housing, and the two ends of the pull wire are aligned and pass through the pull wire hole and are wound around the lower ratchet. The bottom of the knob cover is connected to the upper ratchet, and a control docking groove is provided on the top. The structure is simple and stable, and the fluctuation in use is small, which effectively improves the patient's treatment experience; the production cost is low, and it is easy to assemble; it can accurately control and realize stepless adjustment of the tension, and improve the scope of application.

The utility model relates to an integral abutment device suitable for a cold-bending curled U-shaped steel composite beam. At present, separated bridge abutments and semi-integral bridge abutments are complex in structure and tedious in construction, bridge heads are prone to damage, and durability is poor. The U-shaped cross-section cold-bending edge-curling concrete bridge comprises a cold-bending edge-curling U-shaped cross-section steel beam, a concrete bridge deck slab and an integral bridge abutment, the upper flange of the cold-bending curled-edge U-shaped-section steel beam is fixedly connected with the concrete bridge deck, the two ends of the cold-bending curled-edge U-shaped-section steel beam are embedded into the integral bridge abutment, and longitudinal load-bearing steel bars are arranged in the concrete bridge deck. Holes are formed in the two webs, close to the side of the integral bridge abutment, of the cold-bending curled-edge U-shaped-section steel beam respectively, and transverse penetrating steel bars are arranged in the holes. According to the utility model, the construction speed and the industrialization degree are improved, the bending and shearing resistance of the small and medium span beam bridge is enhanced, and the stability and durability of the beam body are improved.

This invention discloses a method for updating multi-source heterogeneous pipeline data, belonging to the field of data update technology. The method includes: creating a data download task, recording the download range and pipeline type information, and determining whether there is an associated data entry task; if so, waiting for the associated task to execute; creating a data entry task, determining whether there is an associated data download task, and waiting for the associated task to execute; reading multi-source pipeline data within a specified range through a download queue concurrency control mechanism, and assembling and downloading the data format; performing a quality check before data entry through an entry queue concurrency control mechanism, reading the data to be entered into the database and the data in the current database; performing repair and testing on the read data, and comparing the differences between additions, deletions, and modifications; updating the compared addition, deletion, and modification information to the current database, and synchronizing the deletion and modification information to the historical database.

The invention discloses a steel bar net rack, a floor slab, a wallboard, an assembly and a construction method, and relates to the technical field of buildings. Comprising a reinforcing steel bar net rack formed by combining longitudinal net belts and transverse net belts, a floor slab and a wall plate which are formed by the reinforcing steel bar net rack and formworks, an assembly formed by combining the floor slab and the wall plate and a construction method of the assembly. Connecting ribs are reserved in the steel bar net rack, and on-site additional steel bar connection is not needed. The efficiency is high, the cost is low, the quality is controllable and the shock resistance is good; the field operation procedures and workload are reduced, the material cost and the labor cost are reduced, the efficiency is improved, the construction period is shortened, and the economical efficiency is improved.

The invention relates to the technical field of rail transit tunnel construction, and provides a long-section large-section tunnel concrete transporting and pouring method which comprises the following steps: S1, vertical conveying: vertically conveying concrete prepared on the ground into a large concrete tank located in a tunnel section through a large concrete pipe; s2, loading on a rail: loading a concrete large charging bucket filled with concrete on a rail car; s3, horizontal transportation is conducted, specifically, the rail car is driven to run in the tunnel, and the large concrete charging bucket is horizontally transported to a pouring point; s4, pouring and pouring are conducted, specifically, concrete in a large concrete tank is discharged into a conical expansion hopper, and then the conical expansion hopper is hoisted to a pouring opening of the prefabricated track plate through a small track-laying crane for concrete pouring; the method has the characteristics of high efficiency, low pipe blockage, high quality and continuous construction.

The application discloses a synthesis method of 3,4-dihydroxyphenethyl alcohol lactate. The method uses 3,4-dihydroxyphenethyl alcohol as a starting material, and reacts with a lactic acid reagent under the action of an acid catalyst to generate 3,4-dihydroxyphenethyl alcohol lactate. The synthesis method of 3,4-dihydroxyphenethyl alcohol lactate disclosed by the application is easy to obtain raw materials, simple in process and suitable for industrial production.

The invention provides a plant AI cultivation technology integration system conforming to a green standard, and relates to the technical field of agricultural intelligent cultivation. The system takes an AI main control module as a core, integrates a green basic configuration module, an environment regulation and control module, a full-process cultivation technology module, an intelligent equipment module, a quality standard management and control module and a traceability module, realizes green standardized configuration of land, a culture medium, a fertilizer and a nutrient solution, and AI dynamic adaptation of natural and artificial environments; the whole process technologies of breeding, cultivation, irrigation and drip irrigation, pollination, harvesting, packaging, processing and the like are synergistically integrated and intelligently optimized. By means of the system, the green index reaching rate of cultivated products can be 100%, the yield is improved by 30% or above compared with traditional cultivation, the product quality meets the domestic and import and export dual standards, the system is suitable for cultivation of various plants such as grains, fruits and vegetables and commercial crops, and the green, intelligent and industrial level of agricultural production is remarkably improved.

The present application relates to the field of biomedical technology, and more particularly to a sorting method of a mesenchymal stem cell subpopulation secreting high hepatocyte growth factor and a screening method of a sorting index. The application of cell surface protein CD10 as an index in sorting the mesenchymal stem cell subpopulation secreting high hepatocyte growth factor. The present application successfully associates CD10 with HGF secretion function and strong repair efficiency for the first time, providing an unprecedented method capable of directly and non-destructively screening and enriching a high therapeutic potential cell subpopulation from a heterogeneous cell population. The method overcomes the core bottleneck of traditional mesenchymal stem cell products, which are not uniform in function and unstable in efficacy, making it possible to sort based on the CD10 surface marker, thereby enabling the preparation of a mesenchymal stem cell subpopulation product with higher HGF expression level, more significant repair function and better quality uniformity. It has important clinical application value and industrialization prospect.

The invention relates to a tunnel reinforcing system based on UHPC prefabricated reinforcing components and a construction method of the tunnel reinforcing system. A cast-in-place concrete sleeve lining has the problems that the construction period is long, the construction quality is difficult to guarantee, and a metal corrugated plate or a steel frame reinforcing structure has the problem of poor durability. The tunnel reinforcing system comprises a UHPC prefabricated reinforcing component fixed to the inner side of a tunnel lining. The UHPC prefabricated reinforcing component is a strip-shaped rectangular plate which is bent in one direction and is prefabricated by a UHPC material; a plurality of UHPC prefabricated reinforcing components are annularly spliced along the inner side of a tunnel lining and then longitudinally spliced in a staggered mode to form an arch-shaped body, and the bottoms of the two sides of the arch-shaped body are fixed to wall foot foundations arranged on the two transverse sides of a tunnel inner rail face. The UHPC material is used for prefabricating the tunnel reinforcing component, assembling is conducted on the tunnel construction site, construction is convenient and fast, quality controllability is high, the reinforcing component is high in strength, light in weight and high in durability, the safety of the existing tunnel structure can be greatly improved, and the improvement effect is good.

This invention discloses a low-floor all-aluminum vehicle chassis, consisting of a front axle, a central battery compartment, and a rear axle module connected sequentially. The central section is low, while the sides are higher, with a height difference of 240–250 mm. The load-bearing frame of the central battery compartment connects the crossbeams and longitudinal beams via mortise and tenon joints, forming a grid-like inner frame and three battery compartments, upon which the floor is mounted. The front and rear axle modules are connected to the frame and crossbeams via mortise and tenon joints, supplemented by mechanical reinforcement. This invention employs a three-segment all-aluminum height-difference structure, achieving lightweight, high rigidity, and high battery capacity synergistically for a 6-meter-class Class I low-floor minibus. The grid-like inner frame formed by the central grid-like mortise and tenon joints enhances rigidity and optimizes force transmission, while also forming three battery compartments, increasing battery capacity from 71 kWh to 105 kWh, significantly extending range. The all-aluminum design reduces weight by over 1 / 3, lowering energy consumption. The modular design improves assembly precision and efficiency, overcoming the technical bottleneck of adapting all-aluminum structures to Class I low-floor designs, providing an accessible, low-carbon, and highly reliable microbus chassis solution.

The invention provides a riveting distributed control method and system for an intensive bus duct, and relates to the technical field of riveting control, and the method comprises the steps: enabling a bus duct segment to move to a riveting section on a production line, and after the bus duct segment is fixed, triggering a multispectral industrial camera array, and carrying out the multi-angle real-time image collection; riveting feature points are recognized, and coordinates of distributed riveting reference points are positioned; the cloud end executes a multi-station collaborative scheduling decision and generates a dynamic riveting task distribution instruction; distributed riveting parameters are issued, and multi-thread closed-loop force control operation based on jump riveting is executed; and after the segmented riveting of the bus duct is finished and the bus duct is unlocked and moved out, the riveting quality on-line detection is triggered. The technical problem that in riveting control in the prior art, the positioning and force applying process of riveting points mostly depends on artificial experience or a simple mechanical mode, accurate positioning and real-time force control are lacked, and consequently the riveting quality is unstable is solved.

The invention provides a single-component soil stabilizer as well as a preparation method and application thereof. The single-component soil stabilizer is prepared from the following raw materials: modified aluminum silicate salt, cement, an alkaline activator, an ion exchanger, a flocculant, an accelerator, salt-tolerant quaternary ammonium salt, a calcium aluminate complex, an early strength agent and nano silicon dioxide. The modified aluminum silicate salt is aluminum silicate salt modified by a silane coupling agent. Through molecular structure design and functional group optimization, a single-component material with efficient excitation, ion exchange, cementation filling and hydrophobic corrosion resistance functions is developed.

The application discloses a kind of modularization revetment template quick connecting device, it is related to roadbed revetment technical field.First revetment template is set to the outside of corresponding second revetment template, and forms accommodating chamber;Cover plate is embedded in accommodating chamber;The inner wall of first revetment template and the outer wall of corresponding second revetment template are respectively provided with corresponding T type clamping slot;Multiple connecting components are distributed along the circumference of cover plate and are fixed to the top surface of cover plate;For embedding T type clamping slot to realize the clamping of first revetment template and second revetment template;Adjusting component is set between two first revetment templates adjacent, for adjusting its interval to realize the control of installation precision.The application effectively solves the problem of traditional construction and existing connecting structure, brings the technical effect of simplifying construction procedure, shortening construction period, improving environmental adaptability, improving construction efficiency and quality controllability, and connecting stable, installation precision controllable.

The invention discloses a thin-layer identification method for honeysuckle in a Shuanghuanglian preparation. According to the method, an upper-layer solution of butyl acetate, formic acid and water with the volume ratio of 14: 5: 5 is used as a developing solvent, after two times of developing, the separation degree of each spot is good, and methodology verifies that the method is good in specificity and durability. The thin-layer identification of honeysuckle is carried out by adopting a test solution, a reference medicinal material solution, a chlorogenic acid reference solution and a negative reference solution, and an accurate identification result can be obtained. Single identification of only one component of chlorogenic acid is increased to simultaneous identification of multiple components of a reference medicinal material, so that exclusive identification of the Shuanghuanglian preparation can be increased, and the quality controllability of the Shuanghuanglian preparation is improved.

The invention relates to the technical field of special oil for metal processing, in particular to special oil for precision automatic lathe processing and a preparation method thereof. The special oil for machining the precision automatic lathe is prepared from the following raw materials in percentage by mass: 86%-92% of base oil, 3%-8% of polyester, 2%-6% of an anti-wear reagent at extreme pressure, 0.1%-0.5% of an antioxidant and 0.2%-0.6% of a corrosion inhibitor. The corrosion inhibitor comprises a benzotriazole derivative and a thiodiazole derivative. The special oil for machining the precision automatic lathe can meet the high-strength machining requirement of the precision automatic lathe, and has the advantages of being good in lubricity, good in cooling effect, good in equipment compatibility, excellent in high-temperature safety, not prone to volatilization of oil products, low in odor and the like.

The utility model discloses a kind of grass double-line one-belt type wind-preventing sand-fixing structures, it is related to wind-preventing sand-fixing technical field, including outer frame, the inside of outer frame is provided with inner frame, the inner frame and outer frame are two, two The herb zone is jointly connected between the outer frame, the middle position of the inner frame inside is provided with planting frame, the inside of herb zone is provided with compost area, sand barrier area is provided between the outer frame and inner frame, the four sides of the inner frame and outer frame are all penetrated and set up a plurality of through holes, the spacing between the inner frame and outer frame is thirty centimeter, the width of outer frame is one meter.The utility model is provided with a series of structures, reduces sand-fixing afforestation cost, implements low-density sand-fixing afforestation, improves construction efficiency and quality controllability, reduces the cost and interference of multiple construction, the porous ceramic material used can be naturally weathered and degraded after service life, paper core uses biodegradable material, without recycling, no secondary pollution.

The invention relates to the technical field of building decoration, in particular to an ultrahigh movable partition splicing facing structure and an anti-rotation stress method, and the ultrahigh movable partition splicing facing structure comprises a finished partition base plate, an integral aluminum plate back plate, a facing layer, an aluminum honeycomb core and an arc-shaped aluminum profile connecting piece. The facing layer is formed by splicing a plurality of facing plates through close splicing seams, and the back of the facing layer and the aluminum honeycomb core are compositely supported through the integral aluminum plate back plate. An arc-shaped aluminum profile connecting piece is arranged on the back face of a splicing seam of every two adjacent plate blocks, the connecting pieces are fixed to the back plate through countersunk head rivets, the edges of the plate blocks are clamped through snap fastener structures of the connecting pieces, and elastic buffering pads are arranged at the buckling positions. By means of the composite connection mode of mechanical locking, elastic buffering and overall bonding, stress generated by rotary push-pull, temperature deformation and external force impact is effectively dispersed and absorbed, the deformation resistance and cracking resistance of the ultrahigh partition multi-plate splicing position are remarkably improved, and meanwhile structural light weight, installation convenience and stability and attractiveness in long-term use are achieved.

The invention provides a preparation method of a pelvic inflammation cleaning oral liquid, which comprises the following steps: diluting clear paste obtained after water extraction and alcohol precipitation of pelvic inflammation cleaning medicinal materials, atomizing the diluted clear paste into 10-50 [mu] m liquid drops by a high-pressure nozzle, instantly freezing the liquid drops in liquid nitrogen at the temperature of-40 DEG C, and carrying out sublimation drying for 24-48 hours under the conditions that the vacuum degree is 10-50Pa and the temperature is-40 DEG C to-20 DEG C to obtain a raw material medicine. And finally, adding the flavoring agent and the preservative to prepare the composition. Compared with a traditional process, the method can improve the stability and the quality controllability of the oral liquid finished product, meanwhile, the degradation of effective components of the raw material medicines in the whole process of drying and moist heat sterilization can be inhibited from the source, and the retention rate of the effective components is remarkably improved to 95% or above.

This invention belongs to the field of coatings, specifically relating to a water-based anti-corrosion and rust-preventive acrylic paint and its preparation method. It includes a water-based acrylic emulsion, deionized water, film-forming aids, dispersants, defoamers, pigments and fillers, thickeners, and functional composite fillers; the functional composite fillers include the following three components: HNTs@BTA, MoS... 2 @ZIF-8 / BTA and PANI-NF.

This invention relates to the field of metallization technology for membrane materials, specifically disclosing a method for preparing a PTFE membrane by sputtering and electroplating a metal layer. The method includes: PTFE membrane pretreatment, magnetron sputtering of a transition layer, selective electroplating of a metal layer, and post-treatment. This invention combines multi-target magnetron sputtering with multi-metal selective electroplating, resulting in a simplified process with controllable parameters. The sputtering transition layer exhibits excellent adhesion to the PTFE membrane and each metal coating. The resulting coating meets the 5B grade requirement of the ASTM D3359 standard's cross-cut adhesion test. The coating is uniform and dense, achieving high conductivity and strong corrosion resistance, while retaining the original flexibility and temperature resistance of the PTFE membrane. It is suitable for diverse applications such as electromagnetic shielding, chemical corrosion protection, and flexible electronic packaging.

The invention discloses a corridor structure construction method. The corridor structure construction method comprises the following steps that two tower foundations with height difference are constructed; mounting a first-section high tower II mounting unit on the lower foundation; the steel truss corridor is assembled on the high foundation ground; a guide beam and a supporting assembly are installed; the steel truss corridor slides horizontally, after the guide beam is located at the top of the first section of installation unit, the supporting assembly is operated to abut against the bottom of the steel truss corridor, loads are converted, and the guide beam is dismantled; a second-section high tower second installation unit is built upwards, a positioning assembly is installed, and the steel truss corridor is transversely positioned and restrained; the two towers are synchronously constructed upwards until the top of the high tower is sealed; and a lifter is installed to lift the steel truss corridor to the designed elevation, and welding and fixing are conducted. The parallel construction of the steel truss corridor and the double-tower main body structure is realized through the flow of sliding in place, then synchronous construction and then lifting and fixing, the construction period is shortened, and the construction safety and precision are guaranteed through the special adjustable assembly.

The application provides a microbead debonding sample preparation method of a poorly soluble thermoplastic resin, and relates to the technical field of composite materials.The application directly contacts a fiber monofilament with a poorly soluble thermoplastic resin melt after the fiber monofilament is straightened, so that the resin melt adheres to the fiber monofilament; the resin melt adhered to the fiber monofilament is spread, so that the resin wraps the monofilament, and the wrapped monofilament is cooled to obtain a fiber monofilament adhered with a thermoplastic resin; the fiber monofilament adhered with the thermoplastic resin is heated by a non-contact heating mode, so that the thermoplastic resin melts on the fiber monofilament and spontaneously shrinks into resin microbeads, and the microbeads are cooled to obtain a microbead debonding sample.The application can effectively control the size and position of the microbeads by the direct contact mode, and can also remelt and adjust the sample with poor sample preparation effect, so that the sample quality and success rate are improved; and the method has low operation difficulty and high preparation efficiency.