103results about How to "Fast dissolution" patented technology

A water soluble strip that includes a carrier film that include water soluble polymer, one or more actives and one or more agents such as heat forming agent and/or degrading accelerator. The water soluble strip can optionally include other additives. The actives includes antimicrobial agent, cleaning agent and/or surfactant. The water soluble strip can include other materials. The heat forming agent and/or degrading accelerator, when used, are designed facilitate in degrading or dissolving the water soluble strip and/or increase the activity of the one or more actives. The water soluble film can be used for a variety of applications such as a hard surface cleaning strip, dishwashing strip, laundry cleaning strip, stop removing strip, drain unclogging strip, toilet bowl cleaning strip and the like. The water soluble strip eliminates the need to purchase and store numerous containers and/or heavy containers of cleaner that take up large amounts of shelf space.

The invention relates to a water-soluble fracturing-acidifying temporary-stopping agent, used in temporary- stopping bed of oil water well in the course of selecting fracturing and multi-crack fracturing. It is comprised of bone glue, sulfonated pitch and guargum in the weight ratio of 5.5-6.5 to 1.5-3.5 to 1-2. Its preparing method is taking a certain amount of water to heat and keep the temperature at 70-80 deg.C, adding in bone glue and stirring, dissolving; when the temperature is lowered to 40-50 deg.C, adding in sulfonated pitch and stirring uniformly; adding in guargum and strongly stirring uniformly; pouring into a special container, spreading out into an about 3mm-thick cake in shape, and naturally drying; crushing and then screening, and selecting the particles with 3-6 mm diameter as the finished product. It is fast to dissolve, low-cost and strongly-stopping.

The invention mainly discloses a solar water purifier for lakes and a water purification method thereof. According to the technical scheme, the solar water purifier comprises a main body, a purification system, an energy system, a drive unit, a lighting device and a fixation device. The energy system comprises a solar cell panel, a storage battery and a charging panel. An oxygenation chamber, a disinfection chamber and a purifying chamber are arranged inside the main body. An ozone generator, an air compressor, a bubble generator and an aerator pipe are disposed inside the oxygenation chamber. A drug blending tank is arranged inside the disinfection chamber. A purifier is disposed inside the purifying chamber. When the device operates, installation and pilot run of the device are firstly carried out. After successful pilot run, the device is put into a lake. By mobile positioning of the drive unit, a water body undergoes disinfection, oxygenation and purification. The energy system provides energy. Thus, energy is self-sufficient. The solar water purifier has a simple structure, is low-cost and clean. By various purification methods, purification efficiency is high. By the floating and stationary combined design, position of the device can be controlled freely. Thus, repair rate of water body is high. The solar water purifier is easy to operate.

The invention relates to an active separation-type soluble microneedle and a preparation method thereof. The soluble microneedle sequentially comprises a needle tip, a middle layer and a base layer, wherein the needle tip is prepared from a macromolecular excipient material; the middle layer is prepared from a hydrophilic macromolecular material; and the base layer is prepared from a high-molecular polymer material. The dissolving speed of the middle layer is accelerated by controlling the variety of the hydrophilic macromolecular material of the middle layer and the macromolecular excipient material of the needle tip and the thickness of the middle layer; the dissolving time difference between the needle tip and the middle layer is expanded; the needle tip can be quickly separated from the base; and the needle tip is reserved in the body. The laminating problem of a non-flexibility base of a traditional soluble microneedle and the skin is solved; and the risks of allergic damage, intradermal fracture, secondary damage of waste and the like caused by a patch-type base microneedle are avoided.

The invention belongs to the technical field of chemical engineering and relates to a solid chlorine dioxide effervescent tablet and a preparation method thereof. The solid chlorine dioxide effervescent tablet is prepared from the following raw materials in parts by weight: 8-30 parts of chlorine dioxide matrix, 5-20 parts of halogen source, 0.5-2 parts of cladding passivant, 0-5 parts of corrosion inhibitor, 25-60 parts of acidifier, 0-2 parts of surfactant, 15-24 parts of drying agent and an effervescing agent. By adopting the solid chlorine dioxide effervescent tablet and the preparation method thereof, the safety and the stability of a product and the yield of chlorine dioxide are obviously improved. In the solid chlorine dioxide effervescent tablet and the preparation method thereof,fine chloride is adopted to serve as halogen source, and malic acid is adopted to serve as the the acidifier, thereby, the sediment of calcium salt is avoided, and the corrosivity of the solution of the calcium salt is reduced. Moreover, the safe reliability of the product applied to disinfecting foods and drinking water is ensured.

The invention relates to a preparation method for instant cationic polyacrylamide, which is characterized by comprising the following steps: firstly, dissolving 5-15 parts of urea by weight in 400-700 parts of water by weight; then adding 200-600 parts of nonionic monomers by weight and 25-80 parts of cationic monomers by weight, evenly mixing, introducing nitrogen and deoxidizing; and finally adding 0.2-1.0 part of water-soluble initiator by weight and 0.01-0.05 part of chain transfer agent by weight, and carrying out polymerization reaction at the temperature of 20-80 DEG C for 5-10h. The instant cationic polyacrylamide product of the invention with the appearance as a white particle has the grain size within 20-30 meshes, and has the characteristics of high dissolving speed, no toxicity, environmental friendliness and the like. Compared with the traditional polyacrylamide, the instant cationic polyacrylamide has more convenient use and can serve as an organic flocculating agent, a paper strengthening agent, a retention aid and the like to be applied to the fields of municipal sewage and industrial sewage treatment, paper making and the like.

The invention provides a high-stability oil-based polymer powder suspension. The high-stability oil-based polymer powder suspension is prepared from a weighting agent, a stabilizer, a surfactant, a cosolvent, polymer powder and base oil, wherein the weighting agent is a high-density organic solvent; the stabilizer is one of fumed silica and gas-phase aluminum oxide; the surfactant is one or two of naphthenic soap, Span 80, Tween 80, oleic acid, octylphenol polyoxyethylene ether and glyceryl triabietate; the cosolvent is one of methanol, urea and ethylene glycol monobutyl ether; the polymer powder is a water-soluble polymer; the base oil is an organic solvent. The defect that the stability of conventional polymer powder suspension is poor is overcome, and the high-stability oil-based polymer powder suspension can keep stable at the room temperature within 180 days and also has the advantages of high solid phase content and low viscosity.

The invention relates to a continuous water-fertilizer-integrated solid fertilizer applying device. The device comprises a fertilizer adding device, a mother liquor tank, an irrigation water pipe, a fertilizing pipe, a water inlet pipe, a bracket and a control system, wherein a fertilizer discharging port of the fertilizer adding device is connected with the top of the mother liquor tank through afertilizer adding pipe, the fertilizer adding pipe is connected with the top of the mother liquor tank through a plurality of fertilizer branch pipes, the water inlet pipe is communicated with a plurality of sprayers arranged on the top of the mother liquor tank, the fertilizing pipe is sequentially provided with a fertilizing pump, a fertilizing electromagnetic valve and a fertilizing flowmeter,and the fertilizing branch pipes are uniformly communicated with the irrigation water pipe. The continuous solid fertilizer applying device has the advantages that the speed of dissolving and mixingthe solid fertilizer is high, fertilization liquid is uniformly mixed with irrigation water, and the mixing speed is high; by directly detecting the concentration of the fertilizer in the water afterfertilization, fertilization control is more accurate, adjustment is more rapid, and the precision of fertilization and irrigation can be effectively improved.

The invention provides a polyacrylate adhesive for calcium plastic corrugated paper and a preparation method thereof. The adhesive comprises 3-5% of N-hydroxymethyl acrylamide, 20-30% of soft monomer, 5-8% of hard monomer, 0.45-0.7% of emulsifier, 1.5-2% of ammonium persulfate, 1-6% of PVB (polyvinyl butyral), 7-10% of 95% ethanol, 7-10% of ethyl acetate and the balance of water. The preparation method comprises the following steps: adding the emulsifier, 1/2 of N-hydroxymethyl acrylamide, 1/2 of soft monomer and 1/2 of hard monomer into a four-neck flask; adding 1/3 of ammonium persulfate and water; dropwisely adding the rest of N-hydroxymethyl acrylamide, soft monomer, hard monomer and ammonium persulfate, keeping at the temperature of 85 DEG C for 2 hours, and cooling to 50 DEG C; regulating the pH value to 6-7 to obtain an acrylate adhesive; and adding the PVB into the 95% ethanol to obtain a white transparent colloid, adding the ethyl acetate, adding the acrylate adhesive, and heating while stirring, thereby obtaining the finished product. The adhesive has the advantages of high adhesive strength, high tensile strength and low cost.

The invention discloses a water soluble hydrophobic associating polymer and a preparation method thereof. The water soluble hydrophobic associating polymer obtained through the method of the invention has good water solubility and aqueous medium thickening property, and still has a very good thickening effect under a high temperature and a high shear rate. The polymer molecules take a similar comb-like structure, have a more excellent salt-resistant ability, and can be widely applied in the field of petrochemical industry, and in particualr the polymer molecules can be used as the displacement agent for tertiary oil recovery in the oilfield.

The invention discloses effervescent tablets, which comprise the following components in part by weight: 5 to 10 parts of food-grade phycocyanin, 10 to 50 parts of inulin, 5 to 15 parts of adhesive, 45 to 80 parts of effervescing agent and 0 to 6 parts of auxiliary material. The invention also discloses a preparation method for the effervescent tablets, which comprises the following steps of: performing dry mixing of 5 to 10 parts of food-grade phycocyanin, 10 to 50 parts of inulin and 15 to 30 parts of sodium bicarbonate; adding 5 to 15 parts of ethanol into the mixture to perform wet mixing, and pelletizing; adding 30 to 50 parts of tartaric acid and 0.01 to 0.05 part of sweetener into the mixture to perform dry mixing; adding 5 to 15 parts of ethanol into the mixture to perform wet mixing, and pelletizing; evaporating the ethanol by using cold air; adding 5 to 15 parts of povidone and 2 to 5 parts of polyethylene glycol-6000 into the mixture, and blending the mixture uniformly; and tabletting the mixture. The effervescent tablets have the advantages of carrying convenience, good stability, easy absorption, quick response and good mouthfeel.

The invention relates to a creatine phosphate sodium freeze-dried preparation and a method for preparing the same. The mass ratio of creatine phosphate sodium to an excipient in the creatine phosphate sodium freeze-dried preparation is 1: 0.05 to 1: 20. The method for preparing the creatine phosphate sodium freeze-dried preparation comprises the steps of: adding active carbon to a solution containing the creatine phosphate sodium and the excipient, stirring, removing pyrogen, then filtering, decarburizing, filtering again, degerming, and packing filtrate in a split charging manner to obtain the creatine phosphate sodium freeze-dried preparation after freeze drying. The preparation, indicated by solubility tests, influencing factor tests, accelerating tests and long term stability tests, has the advantages of quick solution velocity and good stability, compared with the conventional creatine phosphate sodium powdery preparation. In addition, the freeze-dried preparation is produced in a relatively closed environment and the security of products is more reliable.

A dripping pill of oleanolic acid for treating chronic metastatic hepatitis features high natural level and safety and low toxic by-effect. Its preparing process is also disclosed.

The invention relates to a preparation method of a herbal medicine to treat rheumatoid arthralgia syndrome in the medical technology field, in particular to the modern smash, extraction and separation technology of the herbal medicine. The preparation process comprises the following steps: firstly, smash dried ginger into powder or superfine powder; secondly boil milettia reticulate and Dioscorea nipponica in water twice, then filter the mixture, merger the filter liquor and separate and purify using the membrane separation technology, and concentrate into paste; thirdly mix the dried ginger powder with the above paste and dry the mixture to smash into superfine powder; finally add accessories into the powder to make capsules, coated particles, concentrated pills or coated concentrated pills. Due to the application of the superfine smash, membrane separation, particle and pill coating technologies, the invention improves the medicine effects, enhances the medicine stability and improves the entire production quality. Medicines applied with this method boast quick solution, fast efficacy, high bioavailability and small dosage, and are very convenient for patients to take.

The invention provides a Decitabine freeze-dried preparation and a preparation method thereof. The solution before being subject to freeze-drying process comprises Decitabine, organic solvent, pH regulator, and water for injection. The preparation method comprises the following steps: uniformly dispersing Decitabine in the organic solvent, putting the mixture in a 0-10 DEG C solution of water forinjection dissolving the pH regulator to dissolve Decitabine completely, so as to let the organic solvent account for 0.3-4.0 % of the total volume of the final mixture; then filtering, degerming, carrying out split charging in glass bottles, carrying out freeze drying to remove the organic solvent and the water for injection, so as to obtain the Decitabine freeze-dried preparation for clinical use. According to the invention, in the freeze-dried preparation, the content of the organic solvent residues is less than 0.8%, the preparation process is simple and convenient, the production steps are easy to control, the pollution to production equipment and environment caused by the organic solvent is reduced, and the product quality is guaranteed.

The invention discloses a manufacture method of instant lotus root starch. The manufacture method comprises the following steps: (1) crushing a lotus root raw material into powder by a crushing machine; (2) adding white granulated sugar and maltodextrin to the powdery lotus root starch, and then stirring to form grains; (3) heating and drying the granular lotus root starch by a drying machine. The granular instant lotus root starch made by the manufacture method has the advantages of high dissolution speed and good water absorbability, and the brewed lotus root starch has high transparency; and the dried lotus root starch grains can be preserved for longer time.

The invention discloses an efficient aquatic fertilizer for improving the water quality. The efficient aquatic fertilizer is composed of the following effective constituents by weight percent: 60-70% of high-protein organic materials from animals and plants, 2-5% of compound microorganism strains, 5% of biochemical fulvic acid potassium, 5-10% of inorganic nitrogenous fertilizer, 5-10% of inorganic phosphatic fertilizer, 2-5% of inorganic potassic fertilizer, 3-6% of seawater microelement and 1-2% of rare earth. The invention also discloses a preparation method of the efficient aquatic fertilizer for improving the water quality. The efficient aquatic fertilizer is high in solution rate and high in utilization rate. By utilizing the efficient aquatic fertilizer, propagation of baits of aquatic animals can be promoted, beneficial algae can be cultured directionally, full and rich nutrients can be provided for fishes to further inhibit fish diseases, the water quality can be improved simultaneously, and dissolved oxygen in the water can be increased.

The invention relates to a novel process for preparing high-purity platinum. The high-purity platinum is prepared with the novel method that dissolution by hydrochloric acid and hydrogen peroxide, andplatinum precipitation by ammonium chloride are combined with sodium hydroxide dissolution and hydrazine hydrate reduction. The dissolution method with hydrochloric acid and hydrogen peroxide is adopted, impurities are not brought in, nitrate removal is not needed, the process is simplified, energy consumption is lowered greatly, enterprise production cost is reduced, and environmental protectionis achieved. An alkali dissolution method is adopted for secondary dissolution, the reaction time is much shorter than the reaction time of traditional aqua regia dissolution, nitrate removal is notneeded, the process is simplified, energy consumption is lowered greatly, enterprise production cost is reduced, and environmental protection is achieved.

The invention discloses a method for wet separation of electronic components in a discarded printed circuit board. The method comprises the following steps that strong base and a complex agent are dissolved into water to obtain a solution I, wherein the concentration of the strong base is 150-300 g/L, and the concentration of the complex agent is 20-40 g/L; the discarded printed circuit board is cleaned, dried and then placed into the solution I, an oxidizing agent is added into the solution I at the flow rate accounting for 0.5-2.5% of the volume of the solution I every minute on the condition of 30-70 DEG C, the mixture is stirred, is subjected to a reaction for 20-40 minutes and is filtered, and then the electronic components are separated from the printed circuit board. The method has the advantages that the separation speed is high, little damage is caused to the electronic components, and the method is suitable for industrial application. The invention further discloses a tin stripping agent. The tin stripping agent comprises an aqueous solution with the strong base and the complex agent dissolved therein and the oxidizing agent, wherein the oxidizing agent is continuously added to the aqueous solution containing the strong base and the complex agent when the tin stripping agent is used. The tin stripping agent is simple in ingredient and little in corrosivity, and valuable metals can be extracted and recycled easily.

The invention discloses a preparation method of instant cation high molecular weight polyacrylamide. The preparation method mainly includes steps of 1), adding 20-40% by mass of acrylamide water solution in a reactor, orderly adding cation comonomer and cosolvent, and evenly stirring; 2), charging nitrogen, and removing oxygen in the solution and reactor; 3), adding initiator and reacting for 1-10 hours at 0-60 DEG C to obtain a glue block; 4), crashing, prilling, drying and smashing the prepared glue block to obtain instant cation high molecular weight polyacrylamide particles. The cosolvent is crosslinking hydrophilic polymer. The preparation method gives consideration to high molecular weight and high solution rate of polyacrylamide. The relative number-average molecular weight of the prepared instant cation high molecular weight polyacrylamide reaches 5 million above; through the function of a crosslinking hydrophilic polymer, the solution rate of the prepared polyacrylamide is very fast and within 10 minutes.

The invention relates to a mixer, in particular to a medical foot bath medicine mixer. The invention aims at solving the technical problem to provide a medical foot bath medicine mixer which does notinfluence the foot bath of people and can save time. According to the technical scheme, the medical foot bath medicine mixer comprises a connecting plate, an annular slide rail, slide blocks, a crossbar, a handle, a connecting rod, an installing rod and the like; and the right side of the connecting plate is provided with a clamping mechanism for clamping a bath drum, the left side of the connecting plate is connected with the annular slide rail with a guide effect by virtue of a bolt, two slide blocks are arranged on the annular slide rail in a sliding manner, the crossbar is arranged betweenthe two slide blocks, the left side of the top of the crossbar is connected with the handle, and the bottom middle part of the crossbar is connected with the connecting rod. A circular box body can be covered by virtue of a cover plate, so that the medicine can be prevented from dropping into the bath drum and from influencing the foot bath of people; and by virtue of forward-backward alternativerotation of a piston block, the circular box body can continuously move up and down, so that the medicine can be rapidly dissolved in the hot water, and the time can be saved.

The invention discloses a brewing mechanism of a capsule coffee machine. The brewing mechanism comprises a brewing base and a flip cover. The brewing base is provided with a brewing cup for containing capsules, the bottom of the brewing cup is provided with a pricking device, the flip cover is hinged to one end of the brewing base, and a pricking pin device corresponding to the brewing cup in position is connected to the flip cover. The pricking pin device comprises a disk-shaped water feeding disc and a plurality of pricking pins arranged on the water feeding disc. The pricking pins are provided with water holes communicated with the water feeding disc, the center of the water feeding disc is provided with one pricking pin, and the pricking pin is provided with four water holes. Water is fed through the multiple pricking pins and multiple points at the same time, the water feeding amount of the center pricking pin is large, coffee powder is dissolved fast and evenly, and fragrant coffee is brewed fast.

The invention relates to a method for recovering gold and silver in a gold, silver and copper alloy scrap. The method comprises the following steps of firstly, placing the gold, silver and copper alloy scrap in an ultrasonic reactor, adding concentrated nitric acid to the ultrasonic reactor, and after ultrasonic leaching filtration, obtaining a filtrate and a filter residue; secondly, using an ionexchange separation method for ion exchange separation to obtain a silver nitrate solution; thirdly, using an electrowinning method to recover silver in a silver nitrate solution; fourthly, dissolving the filter residue in aqua regia, diluting after the nitrate removal, adjusting the pH with sodium hydroxide, adding sodium bisulfite until no precipitation produces, boiling, reacting until a solution supernatant become colorless, filtering, washing the precipitate with deionized water to neutral, drying, and obtaining a sponge gold. The method not only solves the problem that the gold, silverand copper alloy scrap is difficult to dissolve, but also shortens the recovery process of the gold, silver and copper alloy scrap, and the recovered gold and silver can be directly used for the preparation of gold, silver and copper alloy materials.

The invention provides a manganese-based fluxing agent for converter steelmaking. The manganese-based fluxing agent comprises the following components of 60-75 percent of manganese oxide, 10-20 percent of calcium oxide, 5-10 percent of silicon dioxide, 3-5 percent of ferrous oxide and 3-5 percent of aluminum oxide, wherein the total manganese content accounts for 40-55 percent of the manganese oxide. The preparation method of the fluxing agent comprises the following steps: the manganese ore fines, the lime powder and the reducing agent are prepared according to the composition of the fluxing agent, the prepared materials are evenly mixed and then burnt with a continuous strand sinter machine, the thickness of the fabric is 300-500 mm in the burning process, the temperature is controlled between 1300 DEG C and 1500 DEG C, and then the materials are cooled, crushed and processed after burning. The manganese-based fluxing agent is favorable for environmental protection, has good continuous slag melting effect, no metal spattering and small lining erosion, can increase the content of useful elements in the molten steel, reduces the smelting cost and improves the quality of the molten steel.

The invention provides a preparation method of 2,4-dicumyl phenol, solving the problem that in the existing 2,4-dicumyl phenol preparation method, the selectivity of 2,4-dicumyl phenol is poor, the catalyst removal process is difficult to operate and a large amount of wastewater containing phenol is generated. The preparation method comprises the following steps: firstly, mixing phenol with a homogeneous composite catalyst and heating, and then dropwise adding alpha-methyl styrene; after stirring and reacting, adding anhydrous sodium acetate to further stir and react; and finally, carrying out reduced pressure distillation. According to the invention, the homogeneous composite catalyst of quaternary ammonium salt and p-toluenesulfonic acid is used, thus the selectivity of 2,4-dicumyl phenol is improved by 85-90%, and the conversion rate of alpha-methyl styrene and phenol reaches 100%; in the reaction process, no external source is not needed for heating, heat released in the reaction process is just utilized, thereby effectively saving energy; and reduced pressure distillation is adopted, thereby avoiding composite separation processes such as filtration, alkaline water washing, organic solvent extraction and the like and obviously shortening reaction time.

The invention relates to a soluble microneedle patch containing purified protein derivatives of tuberculin, and a preparation method of the soluble microneedle patch. The soluble microneedle patch comprises a substrate and a needle body, wherein the substrate is prepared from a first polymer material; the needle body is prepared from the purified protein derivatives of tuberculin and a needle bodyshaping material; the weight of the purified protein derivatives of tuberculin accounts for 0.04-0.10% of the total weight of the needle body; the needle body shaping material is prepared from secondpolymer materials and small molecule materials, wherein the second polymer materials are at least one selected from hyaluronic acid or sodium salt thereof, hydroxyethyl starch, polyvinylpyrrolidone and polyethylene glycol, and the small molecule materials are at least one selected from water-soluble small molecule weight sugar, slightly acidic water-soluble amino acids and slightly acidic water-soluble salts; the mass ratio of the second polymer materials to the small molecule materials is equal to 3 to (8 to 1). The soluble microneedle patch has good puncture strength and rapid dissolution velocity in vivo.

The invention provides an electrochemical method for accelerating dissolution of a soluble bridge plug. The electrochemical method comprises the specific steps that 1, as for the situation that the inner wall of a casing is subjected to internal corrosion prevention, 5-8 m<3> of hydrochloric acid or sulfuric acid with the mass percent being 10-15% is injected at the displacement of 1-2 m<3>/min firstly, then 5-8 m<3> of guanidine gum base liquid is introduced for isolation, and replacing is conducted with clear water to the bridge plug position; as for the situation that the inner wall of thecasing is not subjected to internal corrosion prevention, a saturated strong electrolyte solution is injected at the displacement of 1-2 m<3>/min firstly, then a gas and heat production agent A, guanidine gum base liquid and a gas and heat production agent B are pumped sequentially, and replacing is conducted with clear water to the bridge plug position. Through the method of electrochemistry (a primary battery and an electrolytic cell), the potential difference of various metals is utilized, by giving a certain current to the casing, a soluble ball and the soluble bridge plug are rapidly dissolved, the diameter of a wellbore is recovered in time, and the electrochemical method is of great practical significance for rapid production or rapid fracturing construction of the next section.

The invention discloses a method for unloading aluminum oxide from a prebaking aluminum electrolysis cell. According to the method, the crust breaking and the unloading of the prebaking aluminum electrolysis cell are simultaneously carried out, aluminum oxide is intermittently remained at least twice in a discharging pipe after entering into an unloading pipe from a fixed container, the intermittent remaining efficiency is accordant with the crust breaking frequency, and the crust breaking is carried out before each time of remaining of aluminum oxide. Aluminum oxide is subjected to segmentation remaining in the unloading pipe and is preheated by virtue of the high temperature of the aluminum electrolysis cell, so that the situation that aluminum oxide newly added into the electrolysis cell is agglomerated with electrolyte into blocks is effectively avoided, the dissolution and dispersion of aluminum oxide are accelerated, precipitates are unlikely to form at the bottom of a furnace, and the efficient and steady working of the electrolysis cell is promoted.

The invention provides a medicament which has the functions of antineoplastic, oxidation resistance, anti viral hepatitis and antiphlogistic. The invention particularly relates to a dripping pill which contains ursone and a process for preparation. The invention overcomes the shortcomings of the prior dripping pills that pure natural degrees of findings which are used by the prior dripping pills are not high, and chemosynthesis findings which are commonly used are not in food additives catalogs of some countries, and tastes of the dripping pills are worse. The invention is a pharmaceutical preparation whose natural degree is higher, safety is stronger, and side effect is lower.

The invention relates to a pharmaceutical composition with a cefminox sodium sterile mixed powder form, and the pharmaceutical composition comprises cefminox sodium, anhydrous sodium carbonate and sodium benzoate, wherein the mass ratio of the cefminox sodium, the anhydrous sodium carbonate and the sodium benzoate is 100g:(0.1-0.5)g:(0.1-1.0)g. Due to the combined application of the cefminox sodium, the anhydrous sodium carbonate and the sodium benzoate, the heat stability of the cefminox sodium can be greatly improved, and the stability of the cefminox sodium in a solution state can be improved, so that the clinical use safety is improved. Furthermore, the invention also relates to a preparation method of the pharmaceutical composition, and the preparation method is simple and practicable in technology, thus being suitable for large-scale production.