587results about How to "Ensure quality stability" patented technology

The invention relates to a hydrogen peroxide and peracetic acid mixed disinfectant and a preparation method of the disinfectant. The disinfectant is prepared by the steps of mixing hydrogen peroxide, acetic acid and sulfuric acid at the room temperature to prepare mixture containing peracetic acid and hydrogen peroxide, feeding a stabilizer and a surface active agent into the mixture containing the peracetic acid and the hydrogen peroxide, and mixing. The mixed disinfectant comprises 3-9g/ 100g peracetic acid, 20-35g/ 100g hydrogen peroxide, 5-12g/ 100g acetic acid, 0.1-2g/ 100g sulfuric acid, 0.05-2g/ 100g stabilizer, 0.05-2g/ 100g surface active agent and the balance of water. The hydrogen peroxide and peracetic acid mixed disinfectant is good in stability, is capable of rapidly killing various microorganisms such as bacteria, mould, yeast, spores and the like, and is safe, non-toxic and free from secondary pollution.

The invention discloses a packaging process and packaging equipment for a large-specification ceramic tile. Three independent working faces are included. The centering process, the alignment patting process and the corner wrapping process of a tile stack are finished on the first working face; the prepackaging location of the tile stack is finished on the second working face by using pre-placed box packaging paper; the tile pack packaging is finished in the process of the tile stack falling to the third working face; and finally, the outlet tiles of the tile pack are conveyed on the third working face. The packaging equipment comprises three working platforms, wherein the first working platform is provided with a centering mechanism, an alignment patting mechanism and a corner picking and placing mechanism; the second working platform is provided with a vertical packaging device; and the third working platform is arranged below the second working platform and is provided with an outlet tile conveying device. The invention adopts a brand-new packaging process flow and the packaging equipment with a brand-new layout to package the large-specification ceramic tile, makes the packaging speed greatly improved under the condition of ensuring the packaging quality stability and realizes automatic high-speed corner-wrapping packaging.

The invention discloses a BOPP film with endurable and smoothness characteristics. The BOPP film is formed by a core layer, a surface layer and an inner layer through co-extrusion and combination. The surface layer comprises, by weight, 96.0%-96.8% of homo-polypropylene resins, 0.1%-2.0% of slipping agents and 0.1%-2.0% of antiblocking agents. The core layer comprises, by weight, 99.5%-99.7% of homo-polypropylene resins and 0.3%-0.5% of antistatic agents. The inner layer comprises, by weight, 84.1%-84.9% of homo-polypropylene resins, 14.0%-14.9% of slipping master batches and 0.1%-2.0% of antiblocking agents. The invention also discloses a preparation method for the BOPP film. The slipping master batches are prepared from homo-polypropylene resins, nano inorganic materials and slipping agents through the synergistic effect and are added in the inner layer components, the finally prepared BOPP film has various performances same as a common BOPP film, and can delay loss of the slipping agents in the product. Thus the slipping system plays a lasting and effective role, the packaging film has durable slipping characteristics in a certain time quantum, and the packaging speed is ensured.

The invention discloses a household electrical appliance product transformer assembly assembling system. The household electrical appliance product transformer assembly assembling system includes a rack and a workbench arranged on the rack; a first conveying mechanism, a second conveying mechanism, a third conveying mechanism, an assembly magnetic core inserting positioning mechanism, magnetic core inserting mechanisms, a feeding and grabbing mechanism, an adhesive tape conveying mechanism, a rotation adhesive tape winding mechanism, and a discharging grabbing mechanism are arranged on the workbench, wherein the first conveying mechanism, the second conveying mechanism and the third conveying mechanism are used for conveying a transformer assembly to be assembled; a discharging end of the first conveying mechanism is in butt joint with a feeding end of the assembly magnetic core inserting positioning mechanism; the magnetic core inserting mechanisms are arranged on two sides of the assembly magnetic core inserting positioning mechanism; feeding ends of the magnetic core inserting mechanisms are in butt joint with a discharging end of the second conveying mechanism for conveying a magnetic core; and the feeding and grabbing mechanism is correspondingly arranged on a discharging end of the assembly magnetic core inserting positioning mechanism. The household electrical appliance product transformer assembly assembling system is reasonable in structural design, can achieve rapid inserting and rapid winding of the magnetic core, can achieve continuous assembly production, and can greatly improve the assembly working efficiency.

A preparation method of Waspalloy spherical powder for additive manufacturing includes the steps of conducting alloy component compounding according to AMS 5706 standards and subjecting master ingots to vacuum melting twice; producing the master ingots into alloy electrode bars by means of forging and machining; subjecting an atomizing unit to pre-vacuum-pumping treatment, and feeding the atomizing unit with mixed inert protective gas; feeding the electrode bars into an atomizing chamber by a feeding system, heating electrode bar end faces by a plasma torch, preparing metal liquid droplets under the centrifugal action of a rotating electrode, and making the metal liquid droplets form spherical metal powder by flash setting; using a powder collecting device comprising an electrostatic separation component for removing inclusions of the spherical metal powder and collecting purified powder. The preparation method has the advantages of high production efficiency, high batch stability and high -270-mesh powder yield and can be used for easily preparing the Waspalloy spherical powder high in purity, sphericity and fluidity.

The invention relates to a composite heat treatment method applicable to a Cu-Cr-Zr alloy wire, and belongs to the field of non-ferrous metal heat treatment. Th e method is as below: using the Cu-Cr-Zr alloy wire rod as a raw material wire billet; conducting a solid solution treatment; conducting multi-path cold drawn to form a disc wire; conducting a single-stage or multi-stage aging treatment;and conducting one or more rounds of continuous cold processing and annealing. The method is applicable to preparation process of ultrafine wires of a variety of low alloyed Cu-Cr-Zr-X alloy containing 0.15-0.6 wt.% of Cr, 0.03-0.4 wt.% of Zr,0.01-0.1 wt.% of fourth and fifth group elements (Sn, Si, Ag and RE) and the balance of Cu. The invention simplifies preparation processing technology for of the aging strengthening type of alloy wire,saves material and energy, at the same time ensures the stability of quality of wire, and can satisfy the usage requirement of cables with different comprehensive performance in many fields.

The invention discloses a method for detecting medicated leaven fermentation process quality indexes on line. The method comprises the following steps: (1) sampling at different medicated leaven fermentation time points; (2) obtaining the near infrared spectrum data of each sample by adopting a diffuse reflectance method, and measuring the protease activity and/or the amylase activity of each sample; (3) establishing the correlation between the near infrared spectrum data of each sample and the protease activity of each sample and/or the correlation between the near infrared spectrum data of each sample and the amylase activity of each sample by adopting a least square support vector machine method, a partial least square method or a neural network, preferentially adopting the least square support vector machine method to obtain an enzyme activity predication model based on a near infrared spectrum; and (4) detecting the medicated leaven fermentation process quality indexes on line by adopting the enzyme activity predication model. The method disclosed by the invention can be used for controlling the production process quality rapidly in real time and has the advantages of wide application range and good applicability.

The invention discloses a prepared meat product quality intelligent evaluation system and method. The multi-sensor information fusion technology is used, and the intelligent electronic nose module, the intelligent electronic tongue module, the hyperspectral image acquisition module, the data analysis system, the computer and the friendly man-machine management interface in the evaluation system are utilized to perform evaluation. The intelligent electronic nose module is connected with the computer through a data line and comprises a gas sensitive sensor array, an airtight chamber, a samplingpump, a discharge pump and a single-chip microcomputer device. The gas sensitive sensor array is connected with the single-chip microcomputer device. The gas to be measured is pumped out by the sampling pump and then enters the reaction chamber of the sensor array to have adsorption reaction with the sensors so that the resistance of the sensors changes. The resistance signal is converted into thevoltage signal according to the converter and then transmitted to the computer through serial port communication. The problems of high subjectivity of artificial sensory evaluation, poor consistencyand unstable product quality can be overcome and the intelligent solution can be provided for enterprises on complex raw material and auxiliary material proportioning.

The invention relates to the medicinal field, and concretely relates to a quality detection method for Huoxiang Zhengqi dripping pills. The quality detection method comprises an identification method and a content determination method, and the identification method comprises the steps of Atractylodes lancea identification, dahurian angelica root identification, cortex magnoliae officinalis and Pogostemon cablin oil thin-layer identification, Perilla frutescens leaf oil identification, dried orange peel identification, licorice identification and Pinellia Tuber idenfication and is carried out through using thin layer chromatography. The quality detection method also comprises the determination of the contents of effective components in the Huoxiang Zhengqi dripping pills, the effective components comprise hesperidins, magnolols and honokiols, and the content determination method is carried out through adopting high performance liquid chromatography.

The invention discloses a low-temperature delayed-curing sand-control proppant, a preparation method of the proppant as well as a low-temperature delayed-curing sand-control system. The sand-control proppant comprises proppant particles, wherein proppant particles comprise quartz sand and composite resin layers, and the composite resin layers comprise inner resin layers and outer resin layers; the inner resin layers are thermoplastic phenolic resin layers; the outer resin layers comprise components in parts by weight as follows: 1.0-3.5 parts of mixed resin, 0.01-0.02 parts of a resin curing agent, 0.005-0.02 parts of a silane coupling agent and 0.05-0.1 parts of a dispersant; the mixed resin is a mixture of thermoplastic phenolic resin and epoxy resin; the mass ratio of the quartz sand to the inner resin layers to the mixed resin of the outer resin layers is 100:(0.5-2.0):(1.0-3.5). The temperature resistance and the compressive strength of the sand-control proppant are improved by the aid of the composite resin layer, and the sand-control proppant can be cured at the low temperature and even the normal temperature and can be adapted to stratums at different temperatures.

The invention discloses a process for refining isatis root extracted liquid by applying membrane separation technique. The isatis root extracted liquid is obtained by extracting isatis root by water. The process includes centrifugating the isatis root extracted liquid, taking centrifugal clear liquid, ultrafiltrating the centrifugal clear liquid, obtaining penetrating liquid, nanofiltrating the penetrating liquid, then the residual being isatis root extract. By adopting ultrafiltration membrane to effectively filtering the isatis root extracted liquid and concentrating the isatis root liquid by concentration technique, the isatis root extract is produced. The process realizes alcohol-free production, shortens production period, reduces energy consumption, lowers production cost, ensures content of effective content, enhances quality of product, and ensures quality stability of product.

The invention belongs to the field of smokeless tobacco, and particularly relates to a bacteriostatic and mildewproof agent for smokeless tobacco and a production method of the bacteriostatic and mildewproof agent. The bacteriostatic and mildewproof agent is extracted from plants with bacteriostatic and mildewproof functions; an extract is directly produced via a steam distillation method, ethanol reflux extraction method or ethanol extraction method, or produced by refining after concentration, separation and chemical treatment. By the bacteriostatic and mildewproof agent, quality safety and stability of smokeless tobacco products during storage can be effectively guaranteed, greenness and long-term effective bacteriostasis are realized in the true sense, and the bacteriostatic and mildewproof agent tastes good.

The invention discloses a roller coater which comprises a painting roller, a roller coater rack, a solution-taking roller, a solution-taking roller rack and a roller rest pressure adjustment device, wherein the roller rest pressure adjustment device comprises an operating side bearing base, a driving side bearing base, a sliding block, a turbine worm, a pressure detection element, a handwheel, a servo motor, linearity guide rails and linearity rails. The roller coater provided by the invention achieves the technical purposes that the automatization feedback and adjustment of the roller coater are realized, and the reaction accuracy is improved. Through the roller coater disclosed by the invention, the pressure detection element contacting the spherical surface of the operating side bearing base and the spherical surface of the driving side bearing base is adopted, a signal is provided for the operation of the servo motor, the regulation and control of a roller interval are beneficial, the accuracy and consistency of the thickness of a painting film are improved, and the quality of the painting film of the surface of a steel band and quality stability are guaranteed.

The invention discloses stable, uniform and efficient lansoprazole enteric-coated tablets and a preparation method thereof. Each enteric-coated tablet comprises a main medicament layer, an alkaline layer, an isolation layer and an enteric coated layer from inside to outside. The enteric-coated tablets are characterized in that a pellet drug loading and pellet tabletting coating technology is adopted to perform coated pellet tabletting so as to ensure that each pellet forms an integral drug release unit. The lansoprazole enteric-coated tablets disclosed by the invention are simple in preparation process, large in production volume, good in quality controllability, stable in product quality, high in release speed, good in homogeneity and high in bioavailability, and are suitable for industrial mass production.