32results about How to "The production process is stable and controllable" patented technology

The invention discloses a quality inspection and control system for use in production process of medicinal compositions. Based on an advanced, reliable, practical and demonstrative principle, the design and application study on the online quality control systems of the units in a production process are carried out to realize the automatic control over the production process of traditional Chinese medicines. The bottleneck problems that the lack of online quality control methods and means in production process of the traditional Chinese medicine products makes it difficult to guarantee the quality of the traditional Chinese medicine products and the uniformity of the traditional Chinese medicine products is low, which influence the internationalization and modernization of the traditional Chinese medicines, are solved, and the system has a demonstration effect on the automation and modernization of traditional Chinese medicine.

The invention provides a waterborne polyurethane-acrylate hybrid copolymer and a preparation method thereof. The copolymer prepared by the invention is subjected to cross-linking modification throughhydrogenated castor oil and amine containing a rigid structure and the low-molecular organic amine containing a cyclic structure is used, so that in the polymerization process, the number of initiation times is small, the residual monomer amount after polymerization is low, the production process is stable and free of abnormality, the emulsion stability is good, and finally the waterborne polyurethane-acrylate hybrid copolymer with excellent comprehensive properties such as hardness and wear resistance is obtained.

The invention discloses an electric heating ice-proofing anti-fog transparent conductive film for an invisible plane and a preparation method thereof. The electric heating ice-proofing anti-fog transparent conductive film comprises a side A and a side B, wherein different transparent films are respectively arranged on the side A and the side B; the side A is an electric heating film system, and the side B is an invisible functional film system; the electric heating film system comprises an electric heating adhesion layer, an electric heating functional layer and an electric heating protective layer from a glass substrate inside-out sequentially; and the invisible functional film system comprises an invisible adhesion layer, an invisible functional layer and an invisible protective layer from the glass substrate inside-out sequentially. The electric heating ice-proofing anti-fog transparent conductive film has radar-invisible and electric heating ice-proofing anti-fog functions, has optical property controllability and radar wave reflection capability, can meet the requirement of aircraft invisibility, and enables the characteristic signal returned to radar to be reduced by 10dB or over and the visible light transmittance to be increased by 80 percent or over.

The invention discloses a preparation method of a polyurethane resin for flexible packaging gravure table printing ink and belongs to the field of ink material preparation. The preparation method comprises synthesis of polyester polyol: putting polybasic acid and dihydric alcohol into a reaction vessel according to a molar ratio and carrying out heating vacuum pumping to obtain polyester polyol, synthesis of a prepolymer, chain extension reaction: slowly adding a small molecule polyol chain extender into the repolymer and carrying out chain extension to obtain polyurethane resin, and production preparation: slowly adding ethyl acetate, anhydrous ethanol, modified resin and an assistant into the prepared polyurethane resin and preparing the polyurethane resin for flexible packaging gravure table printing ink. The preparation method has stable processes. The polyurethane resin is used as binding resin for preparation of ink so that ink pigment dispersibility, transparency and a drying rate are improved, ink printing adaptability, glossiness, shallow net transferability, base adhesion and frost resistance are improved, environmental friendliness is obtained and production and use demands are satisfied.

The invention discloses a houttuynia cordata injection and a preparation method thereof. According to the houttuynia cordata injection prepared by using the preparation method of the invention, the existing production process is adopted on the basis of a legal department standard, each production link and parameters are defined and detailed, and dosage of polysorbate 80 is reduced. The houttuynia cordata injection prepared by using the preparation method disclosed by the invention is stable and uniform in different batches, and a cell membrane breaking effect caused by the polysorbate 80 is reduced, irritation, hemolysis and histamine release are reduced, and medication safety is improved.

The invention discloses heartleaf houttuynia herb injection and a preparation method thereof. In the heartleaf houttuynia herb injection prepared by the method, production links and production parameters are defined and refined, and the using amount of polysorbate 80 is reduced on the basis of the legal departmental standard. Different batches of the prepared heartleaf houttuynia herb injection are stable and uniform, the effect of cell membrane cracking caused by the polysorbate 80 is reduced, irritation, haemolysis and histamine release are reduced, and the safety of administration is improved.

The invention provides an ursodeoxycholic acid capsule and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. When the ursodesoxycholic acid capsule is prepared, only conventional medicinal auxiliary materials including corn starch, colloidal silicon dioxide and magnesium stearate are adopted as auxiliary materials, only a common wet granulation process is adopted in the preparation process, and a solubilizer is not added in the preparation process, so that a stable dissolution effect can be achieved, and the production cost of the ursodesoxycholicacid capsule is greatly reduced.

The invention provides real-time solution detection equipment and a real-time solution detection method, the real-time solution detection equipment is externally connected with an electromachining system or a waste liquid treatment system, the real-time solution detection equipment comprises an equipment shell, a controller, a solution detection system, a liquid conveying system and a liquid return system, the liquid return system and the liquid conveying system are both provided with distribution filling type peristaltic pumps, and the solution detection system is provided with a heat exchange cooling pipe. The phenomenon that a detection sensor is damaged due to direct measurement in the electromachining solution containing current is avoided, parameters of the electromachining solution can be continuously, accurately and effectively detected on line in real time so that the parameters can be adjusted in time when deviating, it is guaranteed that the production process is stable and controllable, and the precision of the electromachining solution is improved; the equipment and method can be applied to industrial production, improve the production quality, can also be applied to scientific research experiments, and provide an experiment detection platform for research of a processing mechanism; and waste liquid generated after processing can be discharged after treated effluent waste liquid reaches the standard, and environmental pollution caused by poor treatment is avoided.

The invention discloses a method for utilizing a static magnetic field pulse composite electroplating technology for obtaining a high-silicon clad layer on the surface of a low-silicon steel sheet andthen obtaining a high-silicon silicon steel thin strip with the silicon content being 6.5 wt% of Si through the heat treatment technology. According to the method, operation is simple, the silicon increasing operation can be achieved at the normal temperature, cost is low, and the near-net-shape high-silicon silicon steel strip can be prepared.

The invention discloses a pharmaceutical composition containing BPI-7711 and a preparation method of the pharmaceutical composition. The pharmaceutical composition containing BPI-7711 comprises a capsule agent and a capsule shell, and the capsule agent comprises the following components in percentage by weight: 15-50% of BPI-7711 main drug, 45-80% of a diluent, 2-6% of a disintegrating agent and 0.5-4% of a lubricant. A direct powder filling method is adopted for preparation. The pharmaceutical composition disclosed by the invention is extremely quick to dissolve out, high in bioavailability,stable in quality and suitable for industrial production.

The invention provides a composite tool for bearing hole machining and a machining method, and belongs to the technical field of machining, the tool comprises a tool handle and a tool body, and the tool handle and the tool body are coaxially arranged. A first convex ring and a second convex ring which correspond to each other are arranged on the cutter body, a first blade is arranged on the first convex ring, a second blade is arranged on the second convex ring, and the first blade and the second blade are facing blades. And a boring blade and/or a chamfering blade are/is also arranged on the cutter body between the first convex ring and the second convex ring. According to the compound tool, the multiple blades are compounded on the same tool body, the production efficiency can be improved, the bearing hole machining cost is reduced, and the production and machining process is more controllable.

The invention relates to a method for preparing an iron sucrose injection with low variable iron content, and belongs to the technical field of medicines. The method comprises the following steps of carrying out high-temperature circulating concentration treatment on an iron sucrose bulk drug, adding water for injection to prepare an iron sucrose solution, regulating the pH value of the liquid medicine to 10.5-11.0, and carrying out filtration and sterilization treatment to obtain the iron sucrose injection with low variable iron content. The iron sucrose injection disclosed by the invention is low in variable iron content, high in safety, uniform and stable, and easy to realize industrial production.

Active nanoscale monocrystalline silicon dioxide is characterized in that a processing course of the monocrystalline silicon dioxide is as follows: 1) course screening, wherein the environment is water-based, the PH value of washing, pickling and neutralizing treatment is controlled to be 4-10, impurities on the surfaces of ores are removed, and monocrystal is crushed; 2) dry crushing, wherein thelinear speed is 6 m/s-25 m/s, and air pressure is 2-18 kilograms; 3) monocrystal classifying process and dry type classifying monocrystal lapping process; 4) wet-method crushing, wherein the environment is neutral and water-based, dispersing treatment and nanoscale grinding are carried out under the condition that the morphology of the monocrystal is not damaged, particles are subjected to finalfineness processing, thus, the particles can reach nanoscale of 10-800 nanometers, the specific surface area is maximum to achieve an effect of easiness in dispersion, the nanoscale particles are formed and processed, the final particle appearances are treated and polished, the surface activity of the particles is high, and combined forming of rubber is facilitated; and 5) nano surface processing,nano active treatment and processing of liquid into powder.

The invention relates to the field of adhesives, in particular to an ultraviolet reaction hot-melt adhesive composition and a preparation method thereof.The ultraviolet reaction hot-melt adhesive composition is prepared by taking an ethylene-vinyl acetate elastomer EVA and a thermoplastic polyurethane elastomer TPU as main matrix resin and adding a free radical type photoinitiator, a photo-initiation accelerant, an acrylic monomer and a functional additive. Fully plasticizing by using a double-screw extruder, drawing, cooling, drying, entering a UV tunnel to carry out light curing reaction, and finally pelletizing to form hot melt adhesive particles; according to the preparation technology of the hot-melt adhesive composition provided by the invention, EVA and TPU are compatibilized by utilizing an ultraviolet curing reaction, so that the hot-melt adhesive composition has the characteristics of EVA and TPU, meanwhile, various functional groups can be introduced into a molecular chain of the composition, the bonding range of the hot-melt adhesive composition is greatly widened, and the hot-melt adhesive composition has relatively good adhesion to metal aluminum, a PVC (Polyvinyl Chloride) plate, an EVA cross-linked foaming plate and the like.